Electromagnetic heating systemTechnical Field
The invention relates to the field of electromagnetic heating, in particular to an electromagnetic heating system.
Background
Ironing machines for ironing laundry at present generally comprise an electric iron and an ironing support, on which the electric iron is heated first and then the ironing is carried out when the laundry is ironed. However, the existing ironing machines can only perform a single ironing function, but do not have the functions of boiling water and frying dishes, so that users need to purchase tools, such as an electromagnetic oven, for heating water and frying dishes in addition to purchasing the ironing machines at home. The products in the user's home are too many, and the utilization rate of each product is not high, so that the cost expenditure of the user can be increased, and the products in the user's home are too many, so that the storage is inconvenient.
Therefore, how to design an electromagnetic heating system integrating functions of ironing, water heating, cooking and the like is a problem to be solved at present.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art.
To this end, it is an object of the present invention to provide an electromagnetic heating system.
To achieve the above object, an embodiment of a first aspect of the present invention provides an electromagnetic heating system, including: the electromagnetic heating base comprises an ironing support and an electromagnetic heating device assembled on the ironing support; ironing device, can iron on the said ironing support, there is a bottom plate on the said ironing device, the said bottom plate is the magnetic conduction piece that can be heated by the said electromagnetic heating device; at least one heating appliance can be placed on the ironing support or on an electromagnetic heating device, and the heating appliance can be heated by the electromagnetic heating device.
An electromagnetic heating system provided according to an embodiment of the present invention includes an electromagnetic heating base, an ironing device and at least one heating appliance, wherein the electromagnetic heating base includes an electromagnetic heating device and an ironing support, the electromagnetic heating device is configured to generate a magnetic field by being energized, and to heat a conductor placed in the magnetic field, such as a metal ironing support, a metal pot, etc., by the generated magnetic field. And the ironing support is used for placing the laundry so that the laundry can be laid flat on the ironing support for ironing. The bottom plate of the ironing device is a magnetic conductive piece, such as a metal plate, which can be heated by the electromagnetic heating device, so that the bottom plate of the ironing device can be heated by the electromagnetic heating device on the ironing support when ironing is performed on the ironing support. The at least one heating appliance can be mounted on the ironing support or the electromagnetic heating device and can be heated by the electromagnetic heating device, so that the functions of cooking, boiling water and the like can be realized through the at least one heating appliance. The ironing device with the structure and at least one heating appliance can be heated by the same electromagnetic heating device, when the ironing device is used, corresponding accessories can be placed on the electromagnetic heating base for heating according to the function required to be realized, for example, when clothes need to be ironed, the ironing device can be placed on the electromagnetic heating base, and when water or cooking is required, a corresponding kettle or a corresponding frying pan can be placed on the electromagnetic heating base, and the kettle or the frying pan is heated by the electromagnetic heating device, so that the function of water heating or cooking can be realized. The structure can integrate functions of ironing, boiling water or cooking, and the like, so that a user can iron, boiling water or cooking through the product, kitchen supplies such as boiling water, cooking, and the like do not need to be purchased additionally, heating kitchen ware at the user's home can be reduced, and the utilization rate of the product is improved.
According to the ironing device provided by the embodiment of the invention, the ironing device can be used for ironing clothes and the like, and comprises an ironing body and an induction device, wherein the ironing body is used for ironing the clothes, the induction device is used for carrying out electromagnetic induction with an external electromagnetic heating device to generate electromotive force, namely, the induction device can generate induction electromotive force by virtue of the external electromagnetic heating device, so that induction current is generated on a closed loop. By arranging the induction device on the ironing device, the electromagnetic heating device such as an electromagnetic oven in the home of a user can be utilized to generate electromagnetic induction with the induction device, so that induced electromotive force is generated on the induction device, and other parts on the ironing device can be powered by utilizing the generated induced electromotive force, such as a sensor, a display lamp and the like of the ironing device. The ironing device with the structure can directly utilize electromagnetic heating devices such as an electromagnetic oven and the like in the home of a user to generate electricity, namely, the ironing device with the structure can generate electricity by means of the electromagnetic heating devices arranged outside, and the generated electricity can be directly supplied to other parts of the ironing device and can also be used for supplying power or charging other parts in the home of the user. The ironing device can generate electricity, so that the ironing device does not need to be additionally provided with dry batteries or power plugs and other structures, on one hand, the problem that the conventional electric iron needs to be frequently replaced or charged can be solved, and on the other hand, the structure of the ironing device can be simplified because the dry batteries or the power plugs and other structures are removed.
In addition, the electromagnetic heating system provided by the embodiment of the invention has the following additional technical characteristics:
in the above technical solution, further, the electromagnetic heating device includes a coil panel, the coil panel can be connected with an external power supply, and the coil panel can generate a magnetic field when connected with the external power supply, and the magnetic field can heat the bottom plate and/or the heating device when acting on the bottom plate and/or the heating device.
In this technical scheme, electromagnetic heating device includes the coil panel, and the coil panel is used for being connected with external power supply, like the commercial power, like this alright come for the coil panel power supply through the commercial power, and the coil panel just can be circular telegram after being connected with external power supply electricity and produce the magnetic field, like this through the magnetic field that produces alright realize ironing device's bottom plate and/or heating utensil's heating. I.e. the heating of the soleplate of the ironing device and/or the heating appliance may be achieved here by means of electromagnetic heating. The heating principle is the same as that of the induction cooker, and will not be described here again.
In any of the above technical solutions, further, the heating device is a wok, a kettle or an inner pot.
In these embodiments, the heating device may be a device capable of being used for electromagnetic heating, such as one or more of a magnetically permeable kettle, a magnetically permeable pot, a magnetically permeable cup, a magnetically permeable bowl, or a magnetically permeable inner pot. From the function, the heating device can be a frying pan, a kettle or an inner pot, so that the frying pan can fry dishes, the kettle can cook water, and the inner pot can cook rice. The structure can integrate the functions of cooking, boiling water, cooking, ironing and the like, so that the number of kitchen ware in the user's home can be reduced, and the convenience of containing kitchen supplies of the user is improved.
In any of the above solutions, further, the electromagnetic heating device is assembled on the back of the ironing support.
In the technical schemes, the electromagnetic heating device can be assembled on the back of the ironing support, so that the flatness of the front surface of the ironing support can be ensured, and a user can iron through the front surface of the ironing support. Of course, the mounting holes may also be formed in the ironing support, and then one end of the electromagnetic heating device is inserted into the mounting holes from the back of the ironing support, and meanwhile, care is taken not to extend the electromagnetic heating device out of the front of the ironing support, and further, the electromagnetic heating device may be flush with the front of the ironing support, so that the flatness of the front of the electromagnetic heating base can be ensured, so as to facilitate ironing of clothes.
In any of the above technical solutions, further, the ironing support is an ironing board, and a preset distance is provided between the electromagnetic heating device and a center of the ironing board in a length direction of the ironing board.
In these solutions, the ironing support may be provided as an elongated ironing board, which ensures that the ironing board has a sufficient length for ironing. Furthermore, the electromagnetic heating device can be arranged close to the short side of the ironing board, namely, the ironing board is not arranged in the center in the length direction of the ironing board, but is arranged on the edge, so that the electromagnetic heating device has a preset length from the center of the ironing board, and the electromagnetic heating device can be arranged at one end of the ironing board, so that the other end of the ironing board can be reserved, and other articles such as clothes, cookware and the like can be conveniently placed. Of course, in another solution, the electromagnetic heating device may also be mounted in the exact center of the ironing board in the length direction.
Further, the electromagnetic heating means may be mounted at a central position of one end of the ironing board, i.e. further, the distance of the electromagnetic heating means from the center of the ironing board is equal to the distance of the electromagnetic heating means from the short side of the ironing board.
In any of the above solutions, further, the electromagnetic heating base further includes: a bottom shell which is arranged on the back surface of the ironing support piece and encloses an installation cavity with the ironing support piece; wherein the electromagnetic heating device is installed in the installation cavity.
In these solutions, the electromagnetic heating base further comprises a bottom shell, which is intended to form with the ironing support a mounting cavity for accommodating other parts. And the electromagnetic heating device and other parts can be directly arranged in the bottom shell. By arranging the bottom shell, the electromagnetic heating device and the like can be protected through the bottom shell, so that the waterproof and dustproof protection of the product can be improved.
In any of the foregoing solutions, further, the ironing device further includes: an ironing body for ironing laundry, the ironing body comprising the soleplate; the induction device is arranged on the ironing body and can generate induced electromotive force under the action of the magnetic field of the electromagnetic heating device; the electricity storage device is connected with the induction device and is used for storing the induced electromotive force; the first electric device is arranged on the ironing body and is connected with the electric storage device to form a first loop, and the electric storage device can supply power.
In this technical scheme, ironing device includes ironing body, induction system, electric storage device and first electric installation, and ironing body is used for ironing the clothing, and induction system is used for carrying out electromagnetic induction with electromagnetic heating device and produces electromotive force to produce induced current on closed circuit, just so can utilize the induced electromotive force of production to supply power for other spare parts, for example supply power for ironing device's sensor, pilot lamp etc.. Of course, the generated electricity can also be used to power or charge other components of the user's home. After the induction device is arranged, the ironing device can generate electricity, so that structures such as a dry battery or a power plug are not required to be additionally arranged on the ironing device, the problem that the conventional electric iron needs to be frequently replaced or charged can be solved, and the structures such as the dry battery or the power plug are removed, so that the structure of the ironing device can be simplified. The electric energy storage device is used for storing the induced electromotive force generated by the induction device firstly so as to supply power or charge for parts in the ironing device or other elements in the home when needed, so that on one hand, the inexhaustible electric energy can be stored firstly so as to be used later, and the phenomenon that the induced electromotive force generated by the induction device is too much to cause waste can be prevented, and on the other hand, the device can store the generated electric energy firstly, and then stably, safely and continuously supply power or charge for the other elements through the stored electric energy. On the contrary, if the electricity storage device is not arranged, the induction device is directly connected with other elements, the problem that the induction current is unstable and is large and small is caused, and thus the problem that the electricity utilization part is burnt out due to overlarge induction current or the electricity utilization part is not operated or can not be operated continuously due to small induction current is very easy to exist. And these problems can be avoided after the transfer of the electric energy is performed by the electric storage device. Meanwhile, one or more first electric devices on the ironing device and the electric storage device can be connected into a first loop, so that the first electric devices and the like can be powered by the electric storage device, and the ironing device can produce electric energy and use the electric energy by itself, so that an additional power supply device is not required to be arranged, and a battery is not required to be replaced or charged frequently. The first electrical means here may in particular be an electrical element of an indicator light, a sensor or the like on the ironing device.
Further, the electromagnetic heating system further comprises a second electricity utilization device, the second electricity utilization device is connected with the induction device to form a second loop, and the induction device can generate induction current on the second loop under the action of the magnetic field of the electromagnetic heating device.
In these technical schemes, part of the electric elements, namely the second electric device and the induction device, can be directly connected into a second loop, so that the electromotive force generated by the induction device can form induction current on the second loop, and at the moment, the second electric device can be directly supplied with the formed induction current for use. Specifically, for example, for detecting the magnitude of the current or the voltage generated by the ironing device, or for detecting the magnitude of the induced current or the induced voltage generated by the ironing device at different positions of the electromagnetic heating device, an ammeter or an indicator lamp can be directly connected with the induction device into a loop, so that the magnitude of the current can be indicated by the value of the ammeter or the brightness of the indicator lamp. Further, to protect the second power device, a protection resistor or other protection element may be provided on the second circuit so as to be able to share or consume part of the electrical energy. When the second circuit is formed by the second electric device and the induction device, the setting position of the second electric device is selected according to actual needs, for example, the second electric device can be arranged in the ironing body or outside the ironing body, and the second electric device can be an externally matched element. In addition, the ironing device is not required to be specially provided with a second electricity utilization device, at the moment, a user can be connected with the induction device into a second loop by using a household ready-made element, and in order to facilitate the user to access other elements, a connecting terminal can be correspondingly arranged on the ironing body, so that the user can access other elements through the connecting terminal.
In addition, in the actual process, one of the electric storage device or the second electric consumption device can be adopted according to actual needs, and of course, the ironing device can also be simultaneously provided with the electric storage device and the second electric consumption device, namely, the electric storage device and the second electric consumption device can be used independently or together. Under certain special requirements, the electric storage device and the second electric device can be omitted, at this time, the ironing device only comprises the induction device, but does not comprise the electric storage device and the second electric device, at this time, the ironing device only provides a charging function, but does not charge/supply any element, at this time, an interface can be reserved on the ironing device, so that a user can directly form a loop with the induction device through the reserved interface, and the charger or the remote controller in the home can be charged/supplied with electricity.
In any of the foregoing technical solutions, further, the electromagnetic heating device further includes a first control board, where the first control board is used to control the operation of the electromagnetic heating device, and the first electric device includes: the temperature measuring device is arranged on the bottom plate of the ironing body and used for detecting the temperature of the bottom plate, and the temperature measuring device can also perform data transmission with the first control plate; the first control board can also control the operation of the electromagnetic heating device according to the temperature detected by the temperature measuring device.
In these solutions, the electromagnetic heating device further includes a first control board, and the first control board may be used to control the operation of the electromagnetic heating device, such as controlling the start and stop of the electromagnetic heating device, the magnetic field strength, the heating power and the gear of the ironing device, and so on. The first electric device comprises a temperature measuring device, the temperature measuring device is used for detecting the temperature of the base plate, and the temperature measuring device can also be used for carrying out data transmission with the first control board, so that temperature information detected by the temperature measuring device can be transmitted to the first control board, the first control board can control the work of the electromagnetic heating device according to the received temperature information, such as controlling the magnetic field intensity and start-stop of the electromagnetic heating device, and the like, and heating power of the electromagnetic heating device can be reasonably controlled according to the temperature of the base plate, so that ironing temperature of the base plate can be controlled.
In any of the foregoing solutions, further, the ironing device further includes: the second control board can carry out data transmission with the first control board and can control the work of the electromagnetic heating device through the first control board; the temperature measuring device performs data transmission with the first control board through the second control board.
In these technical solutions, in order to facilitate the overall control of the ironing device, a second control board may be provided in the ironing device, so as to perform the overall control of the ironing device through the second control board. In a specific process, the temperature detected by the temperature measuring device can be sent to the second control board, then data transmission is carried out between the second control board and the first control board, and then the first control board can carry out corresponding control on the electromagnetic heating device according to temperature data or instructions sent by the second control board. That is, here, control of the heating power and the like of the electromagnetic heating device can be achieved by cooperation of the first control board and the second control board.
In any of the above technical solutions, further, the temperature measuring device is disposed inside the ironing body.
In the technical schemes, the temperature measuring device can be arranged in the ironing body so as to be hidden and installed in the ironing device, and therefore the protection of parts such as the temperature measuring device and the like can be realized through the shell cover of the ironing device.
In any of the above technical solutions, further, the induction device is disposed inside the ironing body.
In these technical schemes, can set up induction system in ironing the inside of body to can hide the installation in ironing device inside induction system, alright realize induction system's protection through ironing device's cap like this, prevent that induction system from exposing outside and being taken place by the phenomenon of water erosion easily.
In any of the foregoing solutions, further, the ironing device further comprises a heat insulation member, the heat insulation member being disposed between the induction device and the soleplate of the ironing body.
In these solutions, the sensing device is not suitable to be far away from the bottom plate, otherwise, the sensing of the sensing device is poor. A thermal insulation may thus be provided between the induction means and the soleplate in order to be able to isolate the soleplate from the ironing device, so that the probability of heat transfer from the soleplate to the induction means is reduced. Of course, the heat insulating member may be disposed around the sensing device so as to insulate the sensing device.
In any of the above technical solutions, further, the ironing device further includes a gear switch, the gear switch is connected with the second control board, and by adjusting the gear switch, the electromagnetic heating device can work with power corresponding to the gear switch.
In these solutions, a gear switch may be provided on the ironing device, so that the electromagnetic heating device may be operated with a power corresponding to the gear switch by means of the gear switch, so that the heating power of the ironing device may be indirectly controlled, so that the heating power of the ironing device is adapted to the gear. Specifically, the gear switch may be connected to the second control board, so that the command of the gear switch may be transmitted to the first control board through the second control board, and after the first control board receives the corresponding gear command, the coil panel may be controlled to operate according to the power or the program corresponding to the gear switch.
In any of the above technical solutions, further, the sensing device is disposed in a circular area centered on the ironing body, and a radius of the circular area is less than or equal to 15mm.
In these solutions, the induction device may be arranged in the center of the ironing body (in a circle with a radius of 15 mm), since the induction device is positioned in the middle of the coil disc of the electromagnetic device, the electromagnetic induction intensity is high. When a user presses the clothes, the position of the ironing body can change, so that the induction device is designed at the central position of the ironing body, and the probability of electromagnetic induction of the induction device and the coil panel of the electromagnetic device can be increased when the ironing body is ironing clothes, so that the induction intensity can be effectively ensured.
In any of the above technical solutions, further, the sensing device and the outer surface of the soleplate of the ironing body are provided with a preset height in a direction perpendicular to the soleplate, and the preset height is greater than 0mm and less than or equal to 10mm.
In the technical schemes, the preset height of the outer surfaces of the induction device and the bottom plate in the direction perpendicular to the bottom plate, namely the height difference between the induction device and the outer surfaces of the bottom plate can be between 0mm and 10mm, because the closer the distance between the induction device and the electromagnetic device is, the stronger the magnetic induction intensity is, and the better the electricity generating effect is. Experiments show that the electricity generation effect is good when the preset height is within 0mm-10mm, and the magnetic induction intensity is weak and the electricity generation effect is poor when the preset height is greater than 10mm.
In any of the above technical solutions, further, a preset included angle is provided between the sensing device and the bottom plate of the ironing body, and the preset included angle is greater than or equal to 80 ° and less than or equal to 100 °.
In these technical schemes, the induction device can be arranged generally perpendicular to the bottom plate, because the magnetic field of the electromagnetic device can penetrate through the induction device more, and therefore the magnetic induction intensity and the electricity generation effect can be improved. And further, the preset included angle is greater than or equal to 80 degrees and less than or equal to 100 degrees, that is, further, the induction device can be vertically arranged along the axial direction vertical to the bottom plate or vertically arranged to deviate from the left side and the right side by about 10 degrees.
In any of the above embodiments, further, the induction device is an induction coil.
In the technical schemes, electromagnetic induction can be carried out with an external magnetic field through the induction coil, so that induction current is generated. In order to facilitate the connection between the induction coil and other parts, joints may be provided at both ends of the induction coil.
In any of the above solutions, further, the electricity storage device includes one or both of a capacitor and a rechargeable battery.
In these embodiments, the power storage device may be configured as a capacitor or a rechargeable battery in order to store and transfer electrical energy. The capacitor has the advantage of low price, but has the disadvantage that the capacitor can not be stored for a long time, because the capacitor can be lost after a long time. The rechargeable battery has a strong storage capacity and is not easy to consume energy, so that the rechargeable battery can be used for storing electric energy without considering cost.
In any of the above embodiments, further, the electromagnetic heating system further includes: the voltage detection device is connected with the induction device and is used for detecting the magnitude of the induced electromotive force; and/or the display device is connected with the induction device and used for displaying the magnitude and/or intensity of the induced electromotive force.
In the technical schemes, voltage detection devices can be arranged at two ends of the induction device to detect the voltage at two ends of the induction device, so that the magnitude of the generated induced electromotive force can be detected in real time through the voltage detection devices. Since the distribution of the magnetic field generated by the electromagnetic device on the soleplate is not uniform, when the induction device moves along with the soleplate on the ironing support with the electromagnetic device, the induction device also changes along with the movement of the soleplate, and by arranging the voltage detection device, the voltage value detected by the voltage detection device can be used for reflecting the intensity of the magnetic field at the ironing position, and of course, the induction device and the display devices such as the magnetic field intensity indicator lamp can also be connected in series, so that the intensity and/or the intensity of the current can be displayed through the brightness of the indicator lamp, and the intensity of the magnetic field can be displayed. And the display device may be a display lamp. The display device may be a display screen, and the magnitude of the induced electromotive force may be displayed on the display screen after being processed or may be displayed on the display screen directly without being processed, and the display mode may be a specific voltage value, a grade symbol indicating strength, or a display band of different colors on the display screen.
In any of the above technical solutions, further, the voltage detection device is a voltmeter, and the display device is a display lamp or a display screen.
In the technical schemes, the voltage can be detected through the voltmeter, and meanwhile, the display of the electromotive force and strength can be performed through the display lamp or the display screen.
In any of the foregoing solutions, further, the ironing body further includes: the shell cover is arranged on the bottom plate and encloses a closed accommodating space with the bottom plate.
In these technical solutions, the ironing body comprises a base plate and a cover, which are used to form a housing space, so as to enable the housing of other parts, such as the housing of the induction device, the sensor, etc.
Further, the magnetic conduction piece is a metal bottom plate. Such as iron plates, stainless steel plates, etc.
In any of the foregoing solutions, further, the first electrical device further includes a first wireless communication module, and the temperature measuring device is wirelessly connected with the first control board through the first wireless communication module to perform wireless communication, or the first control board and the second control board perform wireless communication through the first wireless communication module.
In these embodiments, a wireless communication module may be specifically disposed in the ironing device, so that wireless communication between the temperature measuring device and other parts in the ironing device and the first control board can be performed through the wireless communication module. Meanwhile, a second wireless communication module may be provided on the electromagnetic heating device so that wireless communication between the electromagnetic heating device and other parts can be achieved through the second wireless communication.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of an electromagnetic heating system provided according to an embodiment of the present invention;
FIG. 2 is a schematic view of a portion of an electromagnetic heating system provided according to an embodiment of the present invention that does not include a heating appliance;
FIG. 3 is another schematic view of a portion of the structure of an electromagnetic heating system provided according to an embodiment of the present invention that does not include a heating appliance;
FIG. 4 is a third schematic view of a portion of the structure of an electromagnetic heating system provided according to an embodiment of the present invention that does not include a heating appliance;
FIG. 5 is a fourth schematic view of a portion of a structure of an electromagnetic heating system provided according to an embodiment of the present application that does not include a heating appliance;
FIG. 6 is a fifth schematic view of a portion of the structure of an electromagnetic heating system provided according to an embodiment of the present application that does not include a heating appliance;
fig. 7 is a schematic structural view of an ironing device of an electromagnetic heating system provided according to an embodiment of the present application;
fig. 8 is a schematic structural view of an ironing device of an electromagnetic heating system according to another embodiment of the present application.
The correspondence between the reference numerals and the component names in fig. 1 to 8 is:
1 electromagnetic heating base, 12 ironing support piece, 14 electromagnetic heating device, 142 coil panel, 144 first control panel, 16 bottom shell, 2 ironing device, 20 ironing body, 202 bottom plate, 204 cap, 22 induction device, 24 temperature measuring device, 26 rechargeable battery, 28 heat insulating piece, 3 frying pan, 4 kettle.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
An electromagnetic heating system provided by an embodiment of the present invention is described below with reference to fig. 1 to 8.
As shown in fig. 1 to 6, an embodiment of a first aspect of the present invention provides an electromagnetic heating system comprising an electromagnetic heating base 1, an ironing device 2 and at least one heating appliance. The electromagnetic heating base 1 comprises an ironing support 12 and an electromagnetic heating device 14 assembled on the ironing support 12; the ironing device 2 can iron on the ironing support 12, the ironing device 2 is provided with a bottom plate 202, and the bottom plate 202 is a magnetic conduction piece which can be heated by the electromagnetic heating device 14; at least one heating means, which can be placed on the ironing support 12 or on the electromagnetic heating device 14 and which can be heated by the electromagnetic heating device 14, can be embodied as a wok 3 and a kettle 4.
An electromagnetic heating system provided according to an embodiment of the present invention, as shown in fig. 3, comprises an electromagnetic heating base 1, an ironing device 2 and at least one heating appliance, wherein, as shown in fig. 1 to 6, the electromagnetic heating base 1 comprises an electromagnetic heating device 14 and an ironing support 12, the electromagnetic heating device 14 is used for generating a magnetic field by energizing and heating conductors placed in the magnetic field, such as a metal ironing support 12, a metal pot, etc., by the generated magnetic field. And the ironing support 12 is used for placing laundry so that the laundry can be laid flat on the ironing support 12 for ironing. The soleplate 202 of the ironing device 2 is a magnetically conductive member, such as a metal plate, which is heated by the electromagnetic heating means 14, so that the soleplate 202 of the ironing device 2 is heated by the electromagnetic heating means 14 on the ironing support 12 when ironing on the ironing support 12. And at least one heating appliance can be mounted to the ironing support 12 or the electromagnetic heating device 14 and can be heated by the electromagnetic heating device 14, so that the functions of cooking, boiling water, etc. can be achieved by the at least one heating appliance. The ironing device 2 and at least one heating appliance with the structure can be heated by the same electromagnetic heating device 14, when the ironing device is used, corresponding accessories can be placed on the electromagnetic heating base 1 for heating according to the function required to be realized, for example, when clothes need to be ironed, the ironing device 2 can be placed on the electromagnetic heating base 1, when water needs to be boiled or dishes need to be cooked, the corresponding kettle 4 or the corresponding frying pan 3 can be placed on the electromagnetic heating base 1, and the kettle 4 or the frying pan 3 can be heated by the electromagnetic heating device 14, so that the function of boiling water or dishes can be realized. The structure can integrate functions of ironing, boiling water or cooking, and the like, so that a user can iron, boiling water or cooking through the product, kitchen supplies such as boiling water, cooking, and the like do not need to be purchased additionally, heating kitchen ware at the user's home can be reduced, and the utilization rate of the product is improved.
The ironing device 2 provided according to the embodiment of the present invention may be used for ironing laundry, etc., and the ironing device 2 includes an ironing body 20 and an induction device 22, wherein the ironing body 20 is used for ironing the laundry, and the induction device 22 is used for electromagnetic induction with the external electromagnetic heating device 14 to generate electromotive force, i.e. the induction device 22 is capable of generating induced electromotive force by means of the external electromagnetic heating device 14, thereby generating induced current on a closed circuit. In this configuration, by providing the induction device 22 in the ironing device 2, electromagnetic induction can be generated by the induction device 22 by the electromagnetic heating device 14 such as an induction cooker in the user's home, and an induced electromotive force can be generated in the induction device 22, so that other components of the ironing device 2 can be supplied with power by using the generated induced electromotive force, for example, a sensor, a display lamp, and the like of the ironing device 2 can be supplied with power. The ironing device 2 with the structure can directly utilize the electromagnetic heating device 14 such as an electromagnetic oven in the home of a user to generate electricity, namely, the ironing device 2 with the structure can generate electricity by means of the electromagnetic heating device 14 arranged outside, and the generated electricity can be directly supplied to other parts of the ironing device 2 and can also be used for supplying power or charging other parts in the home of the user. In this structure, since the ironing device 2 itself can generate electricity, there is no need to additionally provide a dry battery or a power plug and other structures on the ironing device 2, so that on one hand, the problem that the conventional electric iron needs to be frequently replaced or charged can be solved, and on the other hand, the structure of the ironing device 2 can be simplified because the dry battery or the power plug and other structures are removed.
In the above embodiment, further, as shown in fig. 2, 4 and 5, the electromagnetic heating device 14 includes a coil disc 142, where the coil disc 142 can be connected to an external power source, and the coil disc 142 can generate a magnetic field when connected to the external power source, and the magnetic field can heat the base plate 202 and/or the heating appliance when acting on the base plate 202 and/or the heating appliance.
In this embodiment, the electromagnetic heating means 14 comprises a coil disc 142, and the coil disc 142 is adapted to be connected to an external power source, such as a mains supply, such that the coil disc 142 is powered by the mains supply, and the coil disc 142, after being electrically connected to the external power source, is adapted to be energized to generate a magnetic field, such that heating of the soleplate 202 of the ironing device 2 and/or the heating appliance is achieved by the generated magnetic field. I.e. the heating of the soleplate 202 and/or the heating appliance of the ironing device 2 may here be achieved by means of electromagnetic heating. The heating principle is the same as that of the induction cooker, and will not be described here again.
In any of the above embodiments, further, as shown in fig. 1, the heating means is a wok 3, a kettle 4 or an inner pot.
In these embodiments, the heating means may be in particular means capable of being used for electromagnetic heating, such as one or more of a magnetically permeable kettle 4, a magnetically permeable pot, a magnetically permeable cup, a magnetically permeable bowl or a magnetically permeable inner pot. Functionally, the heating device can be specifically a wok 3, a kettle 4 or an inner pot, so that cooking can be performed through the wok 3, water can be boiled through the kettle 4, and cooking can be performed through the inner pot. The structure can integrate the functions of cooking, boiling water, cooking, ironing and the like, so that the number of kitchen ware in the user's home can be reduced, and the convenience of containing kitchen supplies of the user is improved.
In any of the above embodiments, further, as shown in fig. 2 to 6, the electromagnetic heating device 14 is assembled on the back of the ironing support 12.
In these embodiments, the electromagnetic heating device 14 may be assembled on the back of the ironing support 12, so that the flatness of the front surface of the ironing support 12 is ensured, and the user can perform ironing through the front surface of the ironing support 12. Of course, the mounting holes may be formed in the ironing support 12, and then one end of the electromagnetic heating device 14 is inserted into the mounting holes from the back of the ironing support 12, and at the same time, care is taken not to extend the electromagnetic heating device 14 out of the front of the ironing support 12, and further, the electromagnetic heating device 14 may be flush with the front of the ironing support 12, so that the flatness of the front of the electromagnetic heating base 1 can be ensured to facilitate ironing of clothes.
In any of the above embodiments, further, as shown in fig. 1 to 6, the ironing support 12 is an ironing board, and a predetermined distance is provided between the electromagnetic heating device 14 and the center of the ironing board in the length direction of the ironing board.
In these embodiments, the ironing support 12 may be provided as an elongated ironing board, which ensures that the ironing board has a sufficient length for ironing. Further, the electromagnetic heating device 14 may be installed near the short side of the ironing board, i.e. in the length direction of the ironing board, without the ironing board being installed in the center, but on the edge, so that the electromagnetic heating device 14 is located at a predetermined distance from the center of the ironing board, so that the electromagnetic heating device 14 can be installed at one end of the ironing board, and the other end of the ironing board can be reserved for convenient placement of other articles such as clothes, cookers, etc. Of course, in another embodiment, the electromagnetic heating device 14 may also be mounted in the exact center of the ironing board in the length direction. Further, the electromagnetic heating means 14 may be mounted at a central position of one end of the ironing board, i.e. further, the distance of the electromagnetic heating means 14 from the center of the ironing board is equal to the distance of the electromagnetic heating means 14 from the short side of the ironing board.
In any of the above embodiments, further, as shown in fig. 2 to 6, the electromagnetic heating base 1 further includes: a bottom case 16 mounted on the back surface of the ironing support 12 and enclosing a mounting cavity with the ironing support 12; wherein the electromagnetic heating device 14 is mounted in the mounting cavity.
In these embodiments, the electromagnetic heating base 1 further comprises a bottom shell 16, while the bottom shell 16 is intended to form a mounting cavity with the ironing support 12 for accommodating other parts. While the electromagnetic heating device 14 and other components and the like may be directly mounted in the bottom case 16. By providing the bottom case 16, the electromagnetic heating device 14 and the like can be protected by the bottom case 16, so that the waterproof and dustproof protection of the product can be improved.
In any of the above embodiments, further, as shown in fig. 7 and 8, the ironing device 2 further comprises an ironing body 20, a sensing means 22, an electric storage means and a first electric means. Specifically, the ironing body 20 is for ironing laundry, the ironing body 20 comprising a soleplate 202; the induction device 22 is installed on the ironing body 20, and the induction device 22 can generate induced electromotive force under the action of the magnetic field of the electromagnetic heating device 14; the electricity storage device is connected with the induction device 22 and is used for storing induced electromotive force; the first electric device is mounted on the ironing body 20 and is connected with the electric storage device into a first loop, and can be powered by the electric storage device.
In this embodiment, the ironing device 2 comprises an ironing body 20, an induction device 22, an electricity storage device and a first electric device, wherein the ironing body 20 is used for ironing clothes, the induction device 22 is used for generating electromotive force through electromagnetic induction with the electromagnetic heating device 14, so as to generate induction current on a closed loop, and other parts, such as a sensor, an indicator lamp and the like of the ironing device 2, can be powered by the generated induction electromotive force. Of course, the generated electricity can also be used to power or charge other components of the user's home. After the induction device 22 is arranged, the ironing device 2 can generate electricity, so that structures such as a dry battery or a power plug are not required to be additionally arranged on the ironing device 2, the problem that the conventional electric iron needs to be frequently replaced or charged can be solved, and the structures such as the dry battery or the power plug are removed, so that the structure of the ironing device 2 can be simplified. The electricity storage device is used for storing the induced electromotive force generated by the induction device 22 firstly so as to supply power or charge the parts in the ironing device 2 or other elements in the home when needed, so that on one hand, the inexhaustible electric energy can be stored firstly so as to be used later, and the phenomenon that the waste is caused by too much induced electromotive force generated by the induction device 22 can be prevented, and on the other hand, the device can store the generated electric energy firstly, and then stably, safely and continuously supply power or charge the other elements through the stored electric energy. Conversely, if the power storage device is not provided, the induction device 22 is directly connected to other elements, the problem that the induction current is unstable and is large and small is caused, and thus the problem that the power consumption component is burnt out due to the overlarge induction current or the power consumption component is not operated or cannot be operated continuously due to the small induction current is very easy to occur. And these problems can be avoided after the transfer of the electric energy is performed by the electric storage device. Meanwhile, one or more first electric devices on the ironing device 2 can be connected with the electric storage device into a first loop, so that the first electric devices and the like can be powered by the electric storage device, and the ironing device 2 can self-produce electric energy and self-use, thereby avoiding the need of arranging an additional power supply device, and avoiding frequent battery replacement or frequent charging. The first electrical means here may in particular be an electrical element of the ironing device 2, such as an indicator light, a sensor, etc.
Further, the electromagnetic heating system further comprises a second electric device (not shown in the figure), which is connected to the induction device 22 to form a second loop, and the induction device 22 is capable of generating an induction current on the second loop under the action of the magnetic field of the electromagnetic heating device 14.
In these embodiments, a part of the electric components, that is, the second electric device and the sensing device 22 may be directly connected into the second circuit, so that the electromotive force generated by the sensing device 22 can form an induced current on the second circuit, and at this time, the formed induced current can be directly supplied to the second electric device for use. Specifically, for example, to detect the magnitude of the current or the voltage generated by the ironing device 2, or to detect the magnitude of the induced current or the induced voltage generated by the ironing device 2 at different positions of the electromagnetic heating device 14, an ammeter or an indicator lamp or the like may be directly connected to the induction device 22 in a loop, so that the magnitude of the current can be indicated by the value of the ammeter or the brightness of the indicator lamp. Further, to protect the second power device, a protection resistor or other protection element may be provided on the second circuit so as to be able to share or consume part of the electrical energy. In the case of forming the second circuit by the second electric device and the induction device 22, the setting position of the second electric device is selected according to actual needs, for example, the second electric device may be disposed in the ironing body 20 or outside the ironing body 20, and of course, the second electric device may also be an externally-matched element. In addition, the ironing device 2 may not be specially equipped with a second electric device, and the user may use a component existing in the home to connect with the induction device 22 to form a second circuit, and in order to facilitate the user to access other components, a connection terminal may be correspondingly provided on the ironing body 20, so that the user can access other components through the connection terminal.
In addition, in the actual process, one of the electric storage device or the second electric consumption device may be adopted according to actual needs, and of course, the ironing device 2 may also be equipped with both the electric storage device and the second electric consumption device, i.e. the electric storage device and the second electric consumption device may be used either alone or together. In particular, the electric storage device and the second electric device may not be used, and the ironing device 2 only includes the induction device 22, but does not include the electric storage device and the second electric device, and the ironing device 2 only provides a charging function, but does not charge/supply any element, and at this time, an interface may be reserved on the ironing device 2, so that a user may directly form a loop with the induction device 22 through the reserved interface, so as to charge/supply the charger or the remote controller in the home.
In any of the above embodiments, further, as shown in fig. 2, the electromagnetic heating device 14 further includes a first control board 144, the first control board 144 is used to control the operation of the electromagnetic heating device 14, and the first electric device includes: as shown in fig. 7 and 8, the electromagnetic heating device 14 further includes a temperature measuring device 24 mounted on the soleplate 202 of the ironing body 20 for detecting the temperature of the soleplate 202, and the temperature measuring device 24 can also perform data transmission with the first control board 144; the first control board 144 is also capable of controlling the operation of the electromagnetic heating device 14 based on the temperature detected by the temperature measuring device 24.
In these embodiments, the electromagnetic heating device 14 further comprises a first control board 144, and the first control board 144 may be used to control the operation of the electromagnetic heating device 14, such as controlling the start and stop of the electromagnetic heating device 14, the magnetic field strength, and the heating power and gear of the ironing device 2. The first electric device includes a temperature measuring device 24, the temperature measuring device 24 is used for detecting the temperature of the soleplate 202, and the temperature measuring device 24 can also perform data transmission with the first control board 144, so that the temperature information detected by the temperature measuring device 24 can be transmitted to the first control board 144, and the first control board 144 can control the operation of the electromagnetic heating device 14 according to the received temperature information, such as controlling the magnetic field intensity and start-stop of the electromagnetic heating device 14, so that the heating power of the electromagnetic heating device 14 can be reasonably controlled according to the temperature of the soleplate 202, so as to control the ironing temperature of the soleplate 202.
In any of the above embodiments, further, the ironing device 2 further comprises: a second control board capable of data transmission with the first control board 144 and capable of controlling the operation of the electromagnetic heating device 14 by the first control board 144; wherein, temperature measuring device 24 carries out data transmission with first control panel 144 through the second control panel.
In these embodiments, to facilitate the overall control of the ironing device 2, a second control board may be provided within the ironing device 2, so that the overall control of the ironing device 2 is performed by the second control board. In a specific process, the temperature detected by the temperature measuring device 24 may be sent to the second control board, and then data transmission is performed between the second control board and the first control board 144, so that the first control board 144 can perform corresponding control of the electromagnetic heating device 14 according to the temperature data or instructions sent by the second control board. That is, here, control of the heating power and the like of the electromagnetic heating device 14 can be achieved by cooperation of the first control board 144 and the second control board.
In any of the above embodiments, further, as shown in fig. 7 and 8, the temperature measuring device 24 is provided inside the ironing body 20.
In these embodiments, the temperature measuring device 24 may be disposed inside the ironing body 20, so that the temperature measuring device 24 can be installed inside the ironing device 2 in a hidden manner, and thus, the protection of the parts such as the temperature measuring device 24 and the like can be achieved through the cover 204 of the ironing device 2.
In any of the above embodiments, further, as shown in fig. 7 and 8, the sensing means 22 are provided inside the ironing body 20.
In these embodiments, the sensing device 22 may be disposed inside the ironing body 20, so that the sensing device 22 can be installed inside the ironing device 2 in a hidden manner, so that the protecting of the sensing device 22 can be achieved through the cover 204 of the ironing device 2, and the phenomenon that the sensing device 22 is exposed to the outside and is easily corroded by water can be prevented.
In any of the above embodiments, further, as shown in fig. 7, the ironing device 2 further comprises an insulation 28, the insulation 28 being arranged between the induction means 22 and the soleplate 202 of the ironing body 20.
In these embodiments, the sensing device 22 is not suitable to be far away from the base plate 202, which would result in poor sensing of the sensing device 22. A thermal insulation 28 may thus be provided between the sensing means 22 and the soleplate 202 in order to be able to isolate the soleplate 202 from the ironing device 2, so that the probability of heat transfer from the soleplate 202 to the sensing means 22 is reduced. Of course, the heat shield 28 may also be disposed around the periphery of the sensing device 22 to insulate the periphery of the sensing device 22.
In any of the above embodiments, further, the ironing device 2 further comprises a gear switch connected to the second control board, and by adjusting the gear switch, the electromagnetic heating device 14 can be operated with a power corresponding to the gear switch.
In these embodiments, a gear switch may be provided on the ironing device 2, so that the electromagnetic heating means 14 can be operated with a power corresponding to the gear switch by the gear switch, so that the heating power of the ironing device 2 can be indirectly controlled to adapt the heating power of the ironing device 2 to the gear. Specifically, the gear switch may be connected to the second control board such that the command of the gear switch can be transmitted to the first control board 144 through the second control board, and the first control board 144 may control the coil panel 142 and the like to operate according to the power or program corresponding to the gear switch after receiving the corresponding gear command.
In any of the above embodiments, further, the sensing means 22 is arranged in a circular area centered on the ironing body 20, the radius of the circular area being less than or equal to 15mm.
In these embodiments, the induction means 22 may be arranged in the centre of the ironing body 20 (inside a circle with a radius of 15 mm), since the intensity of the electromagnetic induction is high when the induction means 22 is in the middle of the coil disc 142 of the electromagnetic means by experiment. When a user presses the clothes, the position of the ironing body 20 will change, so that the induction device 22 is designed at the center of the ironing body 20, and the probability of electromagnetic induction between the induction device 22 and the coil disc 142 of the electromagnetic device can be increased when the ironing body 20 is ironing clothes, so that the induction intensity can be effectively ensured. In any of the above embodiments, further, as shown in fig. 8, the sensing device 22 and the outer surface of the soleplate 202 of the ironing body 20 are provided with a preset height D in a direction perpendicular to the soleplate 202, and the preset height D is greater than 0mm and less than or equal to 10mm.
In these embodiments, the preset height D of the sensing device 22 and the outer surface of the base 202 in the direction perpendicular to the base 202, i.e. the height difference between the sensing device 22 and the outer surface of the base 202 may be between 0mm and 10mm, because the closer the sensing device 22 is to the electromagnetic device, the stronger the magnetic induction, and the better the electricity generating effect. Experiments show that the electricity generation effect is good when the preset height D is within 0mm-10mm, and the magnetic induction intensity is weak and the electricity generation effect is poor when the preset height D is larger than 10 mm.
In any of the above embodiments, further, as shown in fig. 7, a preset included angle α is provided between the sensing device 22 and the soleplate 202 of the ironing body 20, and the preset included angle α is greater than or equal to 80 ° and less than or equal to 100 °.
In these embodiments, the induction device 22 may be disposed generally perpendicular to the base plate 202, as this allows the magnetic field of the electromagnetic device to pass more through the induction device 22, thereby improving magnetic induction and electrical generation. Further, the preset included angle α is greater than or equal to 80 ° and less than or equal to 100 °, that is, further, the sensing device 22 may be vertically disposed along an axial direction perpendicular to the bottom plate 202, or may be vertically disposed to be offset from left and right by about 10 °.
The setting position of the sensing device 22, the preset height D, and the preset included angle α all affect the magnitude of the induced electromotive force, and the results of experiments performed by setting the sensing device 22 at different positions and taking different values of the preset height D and the preset included angle α are shown in table 1.
List one
| Sequence number | Sensing device setting position | D(mm) | α(°) | Induced electromotive force (V) |
| 1 | Center of ironing body | 2 | 90 | 5.0 |
| 2 | 5mm from the center of the ironing body | 2 | 90 | 4.1 |
| 3 | 10mm from the center of the ironing body | 2 | 90 | 3.2 |
| 4 | Center of ironing body | 2 | 90 | 5.0 |
| 5 | Center of ironing body | 4 | 90 | 4.8 |
| 6 | Center of ironing body | 6 | 90 | 4.6 |
| 7 | Center of ironing body | 2 | 90 | 5.0 |
| 8 | Center of ironing body | 2 | 45 | 3.7 |
| 9 | Center of ironing body | 2 | 0 | 2.6 |
As shown in the experiment in table 1, the setting position of the sensing device 22, the preset height D, and the preset included angle α can affect the magnitude of the induced electromotive force. As can be seen from the above experiments, the induction device 22 is disposed at the center of the ironing body, and when the preset height D is set within 0mm-10mm and the preset included angle α is set within a range of 80 ° or more and 100 ° or less, the electromagnetic induction effect is best, and the generated induced electromotive force is large. Thus, in the present application, the sensing means 22 may be arranged in the central position of the ironing body, the preset height D may be arranged within 0mm-10mm, and the preset included angle α may be arranged within a range of 80 ° or more and 100 ° or less.
In any of the above embodiments, further, as shown in fig. 8, the induction device 22 is an induction coil.
In these embodiments, the induction coil may be used to electromagnetically induce an external magnetic field, thereby generating an induction current. In order to facilitate the connection between the induction coil and other parts, joints may be provided at both ends of the induction coil.
In any of the above embodiments, further, as shown in fig. 8, the electricity storage device includes one or both of a capacitor (not shown) and a rechargeable battery 26.
In these embodiments, the electrical storage device may be configured as a capacitor or rechargeable battery 26 in order to enable storage and transfer of electrical energy. The capacitor has the advantage of low price, but has the disadvantage that the capacitor can not be stored for a long time, because the capacitor can be lost after a long time. The rechargeable battery 26 has a strong storage capacity and is less prone to energy loss, so that the rechargeable battery 26 can be used to store electric energy without taking into account costs.
In any of the above embodiments, further, the electromagnetic heating system further comprises: voltage detecting means (not shown) connected to the induction means 22 for detecting the magnitude of the induced electromotive force; and/or a display device (not shown) connected to the sensing device 22 for displaying the magnitude and/or intensity of the induced electromotive force.
In these embodiments, voltage detection devices may be disposed at two ends of the sensing device 22 to detect the voltage at two ends of the sensing device 22, so that the magnitude of the induced electromotive force can be detected in real time by the voltage detection devices. Since the distribution of the magnetic field generated by the electromagnetic device on the soleplate 202 is not uniform, when the induction device 22 moves along with the soleplate 202 on the ironing support 12 with the electromagnetic device, the induction device 22 also changes, and by providing the voltage detection device, the voltage value detected by the voltage detection device can be used for reflecting the magnetic field intensity of the ironing position, and of course, the induction device 22 and the display device such as the magnetic field intensity indicator light can also be connected in series, so that the magnitude and/or intensity of the current can be displayed through the brightness of the indicator light, and the like, thereby displaying the intensity of the magnetic field. And the display device may be a display lamp. The display device may be a display screen, and the magnitude of the induced electromotive force may be displayed on the display screen after being processed or may be displayed on the display screen directly without being processed, and the display mode may be a specific voltage value, a grade symbol indicating strength, or a display band of different colors on the display screen.
In any of the foregoing embodiments, further, the voltage detecting device is a voltmeter, and the display device is a display lamp or a display screen.
In these embodiments, the voltage may be detected by a voltmeter, and at the same time, the magnitude and intensity of the electromotive force may be displayed by a display lamp or a display screen.
In any of the above embodiments, further, as shown in fig. 8, the ironing body 20 further comprises: a cover 204 mounted on the base plate 202 and enclosing a closed accommodating space with the base plate 202.
In these embodiments, the ironing body 20 comprises a base plate 202 and a cover 204, the base plate 202 and the cover 204 being adapted to constitute a housing space for enabling the housing of other parts, such as the induction device 22, the sensor, etc.
Further, the magnetic conductive member is a metal bottom plate 202. Such as iron plates, stainless steel plates, etc.
In any of the above embodiments, further, the first electrical device further includes a first wireless communication module, and the temperature measuring device 24 is wirelessly connected with the first control board 144 through the first wireless communication module to perform wireless communication, or the first control board 144 and the second control board perform wireless communication through the first wireless communication module.
In these embodiments, a wireless communication module may be provided specifically within the ironing device 2, so that wireless communication between the temperature measuring device 24 and other parts within the ironing device 2 and the first control board 144 can be performed by the wireless communication module. Meanwhile, a second wireless communication module may be provided on the electromagnetic heating device 14 so that wireless communication between the electromagnetic heating device 14 and other parts can be achieved through the second wireless communication.
In the description of the present specification, the terms "connected," "mounted," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.