Evaporation type cooling fanTechnical Field
The invention relates to the technical field of household appliances, in particular to an evaporative cooling fan.
Background
The working principle of the evaporative cooling fan is that a wet curtain is additionally arranged at an air inlet of the evaporative cooling fan, a water diversion structure is arranged above the wet curtain, water outlet holes are formed in the bottom of the water diversion structure, water is conveyed to the wet curtain through the water outlet holes, the wet curtain can absorb water, the contact area of the water and air is increased, the evaporation capacity of the water on the wet curtain is improved, the temperature of wind entering from the air inlet is reduced, and the purpose of conveying cold air with relatively low temperature to the surrounding environment is achieved.
However, because the wet curtain is an additional functional component, when a user forgets to install the wet curtain after repairing, or the user does not need cool air with lower temperature and does not want to install the wet curtain, the fan of the evaporative cooling fan can still work and supply air to the surrounding environment. However, after the dehumidification curtain is removed, the water distribution structure still supplies water to the position where the dehumidification curtain is located, so that no part capable of absorbing water exists in the evaporative cooling fan, and the dripped water is sputtered in the evaporative cooling fan and can be sputtered on other electrical parts, so that electrical potential safety hazards are generated.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the electric potential safety hazard exists when the evaporative cooling fan is not provided with the wet curtain in the prior art, so that the evaporative cooling fan capable of avoiding the electric potential safety hazard when the wet curtain is not provided.
An evaporative cooling fan comprising:
The support is provided with a containing cavity, and the containing cavity is internally suitable for assembling a wet curtain;
the water diversion structure is arranged on the bracket and is positioned above the accommodating cavity;
The water outlet hole is arranged at the bottom of the water diversion structure;
The water retaining structure is movably arranged on the water distributing structure and is provided with a sealing state for blocking the water outlet hole when the wet curtain is not assembled in the accommodating cavity under the action of external force, and a water outlet state for opening the water outlet hole when the wet curtain is assembled in the accommodating cavity.
Further comprises:
The power device is fixedly connected to the water distribution structure or the support, is connected with the water retaining structure and is suitable for driving the water retaining structure to move relative to the water outlet hole.
Further comprises:
the mounting plate is fixedly connected to the water diversion structure or the support, and the power device is fixedly connected to the mounting plate.
The mounting plate cover is arranged above the water diversion structure.
The power device is arranged on one side of the mounting plate away from the water diversion structure, and an output shaft of the power device penetrates through the first mounting through hole to one side of the mounting plate close to the water diversion structure and is fixedly connected with the water retaining structure.
The sealing device is arranged between the first mounting through hole and the output shaft.
The water retaining structure comprises:
one end of the mounting part is fixedly connected with an output shaft of the power device;
The shielding part is connected with the other end of the mounting part and is suitable for shielding the water outlet hole or opening the water outlet hole under the drive of the power device.
The water retaining structure further comprises:
the connecting part is arranged between the mounting part and the shielding part and is arranged at an angle with the mounting part and the shielding part.
Further comprises:
and the elastic piece is fixedly connected to one side of the shielding part, which is close to the water outlet.
The water distribution structure comprises a water distribution cavity, and the bottom of the water distribution cavity is provided with the water outlet hole;
The water dividing structure further comprises:
The baffle rib extends upwards from the bottom of the water distribution cavity, the height of the baffle rib is smaller than that of the cavity wall of the water distribution cavity, and one side of the baffle rib is provided with the water outlet hole;
and the overflow hole is arranged at the bottom of the water distribution cavity and is positioned at the other side of the blocking rib and is suitable for discharging water out of the bracket.
The sensing device is arranged on the bracket and is suitable for sensing whether the wet curtain is assembled on the accommodating cavity or not.
The sensing device is a photoelectric sensing switch.
Further comprises:
And the controller is connected with the sensing device and the power device and is suitable for controlling the power device to drive the water retaining structure to move to the sealing state when the sensing device senses that the wet curtain is not assembled on the accommodating cavity.
The water retaining structure is rotatably connected to the water dividing structure.
The technical scheme of the invention has the following advantages:
1. According to the evaporative cooling fan, the water retaining structure is movably arranged on the water distributing structure, when a user needs low-temperature wind and the wet curtain works, the wet curtain is arranged in the accommodating cavity, the water retaining structure opens the water outlet holes under the action of external force, so that water of the water distributing structure can flow to the wet curtain through the water outlet holes, the wet curtain cools air and then supplies the air to the user, when the user does not need low-temperature wind or forgets to install the wet curtain in the accommodating cavity, the water retaining structure blocks the water outlet holes under the action of external force, so that water of the water distributing structure cannot flow into the accommodating cavity, water is prevented from being sputtered inside the evaporative cooling fan when the wet curtain is not assembled, potential safety hazards are avoided when the water is sputtered to electric components, meanwhile, the problem that the noise caused by the water sputtering inside the evaporative cooling fan is large is prevented, and user experience is improved.
2. According to the evaporative cooling fan provided by the invention, the power device is fixedly connected to the water diversion structure or the support, and the power device drives the water retaining structure to move, so that when external force is required to act on the water retaining structure to drive the water retaining structure to move, a user does not need to manually operate, and the user experience is better.
3. According to the evaporative cooling fan provided by the invention, the installation plate is arranged, so that the power device is more flexible to set, and the installation can be carried out according to actual needs.
4. According to the evaporative cooling fan provided by the invention, the mounting plate is covered above the water diversion structure, so that the power device can be relatively close to the water diversion structure, the power device is convenient to select and install, and the power device is prevented from being difficult to select when the distance between the power device and the water diversion structure is relatively long.
5. According to the evaporative cooling fan provided by the invention, the power device is arranged on one side of the mounting plate far away from the water diversion structure, and the output shaft of the power device penetrates through the mounting plate and is fixedly connected with the water retaining structure, so that when the power device can drive the water retaining structure to move, the power device is far away from water of the water diversion structure, and potential safety hazards caused by contact of the water and the power device can be well prevented.
6. According to the evaporative cooling fan provided by the invention, the sealing device is arranged between the first mounting through hole of the mounting plate and the output shaft of the power device, so that the sealing effect between the mounting plate and the output shaft is good, and the phenomenon that water permeates into the power device from a gap between the first mounting through hole and the power device to damage the power device is avoided.
7. According to the evaporative cooling fan provided by the invention, the water retaining structure is arranged to comprise the mounting part and the shielding part, so that the water retaining structure is more convenient to connect with the power device, the shielding part can be used for shielding or opening the water outlet conveniently under the drive of the power device, and the structure is simpler.
8. According to the evaporative cooling fan provided by the invention, the connecting part is arranged on the water retaining structure, so that a certain height difference can be formed between the mounting part and the shielding part, the connecting end of the water retaining structure and the power device is far away from the water outlet, the power device can be further away from water in the water distribution structure, and potential safety hazards caused by contact of the water and the power device are prevented.
9. According to the evaporative cooling fan provided by the invention, the elastic piece is fixedly connected to the lower end of the shielding part of the water retaining structure, so that the elastic piece can completely fill the gap between the water outlet hole and the shielding part by utilizing the deformation of the elastic piece when the shielding part shields the water outlet hole, the sealing effect is enhanced, and water leakage is prevented.
10. According to the evaporative cooling fan provided by the invention, the water separation structure is provided with the baffle ribs, the water outlet holes and the overflow holes are respectively arranged on the two sides of the baffle ribs, so that when the water separation structure blocks the water outlet holes, water can overflow the baffle ribs and be discharged out of the support through the overflow holes, and excessive water accumulated in the water separation cavity is prevented from being sputtered into the evaporative cooling fan, so that potential safety hazards are caused.
11. According to the evaporative cooling fan provided by the invention, the induction device is arranged on the bracket, so that whether the wet curtain is assembled on the accommodating cavity or not can be automatically induced, and the user experience is improved.
12. According to the evaporative cooling fan provided by the invention, the controller connected with the induction device and the power device is arranged, so that when the induction device senses that the wet curtain is not assembled on the accommodating cavity, the power device can be automatically controlled to drive the water retaining structure to move to a sealing state, namely, whether the wet curtain is assembled on the accommodating cavity or not is sensed, and the water receiving device is moved, all the operations can be automatically realized, a user does not need any manual operation, full automation is realized, and user experience is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a structure of a side of a bracket of an evaporative cooling fan according to the present invention;
FIG. 2 is a schematic view of the other side of the bracket of the evaporative cooling fan;
FIG. 3 is an enlarged view showing a part of the structure of the evaporative cooling fan of the present invention;
FIG. 4 is a schematic view of a water blocking structure according to the present invention;
FIG. 5 is an enlarged view of the water dividing structure of the evaporative cooling fan of the present invention;
FIG. 6 is a sectional view showing a part of the structure of the evaporative cooling fan of the present invention;
Fig. 7 is a sectional view showing a part of the structure of the evaporative cooling fan when the water blocking structure of the present invention is in a sealed state;
fig. 8 is a sectional view showing a part of the structure of the evaporative cooling fan when the water blocking structure of the present invention is in a water outlet state;
Reference numerals illustrate:
1-bracket, 2-wet curtain, 3-water distribution cavity, 4-water outlet hole, 5-water retaining structure, 6-motor, 7-mounting plate, 8-first mounting through hole, 9-sealing ring, 10-mounting part, 11-shielding part, 12-connecting part, 13-rubber cushion, 14-rib, 15-overflow hole, 16-photoelectric induction switch, 17-second mounting through hole and 18-output shaft.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1 to 8, an evaporative cooling fan is provided in this embodiment, and includes a bracket 1, a water dividing structure, a water outlet 4 and a water blocking structure 5.
The support 1 is provided with a containing cavity, the containing cavity is suitable for being provided with a wet curtain 2, the water diversion structure is arranged on the support 1 and is positioned above the containing cavity, the water outlet hole 4 is arranged at the bottom of the water diversion structure, the water retaining structure 5 is movably arranged on the water diversion structure, the water retaining structure 5 has a sealing state of blocking the water outlet hole 4 when the wet curtain 2 is not assembled in the containing cavity under the action of external force, and the water outlet state of opening the water outlet hole 4 when the wet curtain 2 is assembled in the containing cavity.
Through setting up water retaining structure 5 movably on the water diversion structure, when the user needs the wind of lower temperature, wet curtain 2 during operation, wet curtain 2 locates the holding intracavity, water retaining structure 5 opens apopore 4 under the effect of external force, make water of water diversion structure can flow to wet curtain 2 through apopore 4, wet curtain 2 supplies the user again after cooling down the air, when the user does not need the wind of lower temperature, or forget when installing wet curtain 2 in the holding intracavity, water retaining structure 5 blocks up apopore 4 under the effect of external force, make water of water diversion structure can not flow to the holding chamber, prevent that water from sputtering in evaporation type cooling fan inside when not assembling wet curtain 2, the potential safety hazard is avoided when water is sputtered to electrical components, simultaneously, the noise great problem that the inside sputtering of evaporation type cooling fan arouses has been prevented, user experience has been improved.
The evaporative cooling fan in the embodiment further comprises a power device fixedly connected to the water distribution structure, wherein the power device is connected with the water retaining structure 5 and is suitable for driving the water retaining structure 5 to move relative to the water outlet 4. Through fixed connection power device on water diversion structure or support 1, power device drives water retaining structure 5 activity for when needing external force to act on water retaining structure 5 and drive its motion, the user need not manual operation, makes the user experience better. As an alternative embodiment, the power unit may be fixedly connected to the bracket 1. As an alternative embodiment, the water blocking structure 5 may be manually driven by a user without providing a power device.
Specifically, the power device in this embodiment is a motor 6, and the water blocking structure 5 rotates relative to the water outlet hole 4 under the drive of the motor 6, so as to realize the transition between the sealing state and the water outlet state. In the alternative embodiment, the motor 6 may be a linear motor, and the water blocking structure 5 translates horizontally relative to the water outlet 4 under the drive of the linear motor, that is, the sealing state and the water outlet state are changed by sliding, or a driving gear is arranged on the motor, and a rack is arranged on the water blocking structure 5, and the motor drives the driving gear to rotate so as to drive the rack to approach or separate from the water outlet.
The evaporative cooling fan in the embodiment further comprises a mounting plate 7 fixedly connected to the water dividing structure, and a motor 6 is fixedly connected to the mounting plate 7. Through setting up mounting panel 7 for motor 6's setting is more nimble, can install according to actual need. As an alternative embodiment, the motor 6 may be fixedly connected directly to the water distribution structure or the bracket 1 without the mounting plate 7.
As shown in fig. 3, the mounting plate 7 in this embodiment is disposed above the water diversion structure. Through establishing the top of dividing the water structure with mounting panel 7 lid for motor 6 can be relatively nearer from water retaining structure 5, and motor 6's selection and installation are all more convenient, prevent when motor 6 and water retaining structure 5 distance are farther, and motor 6's selection type is more difficult. As an alternative embodiment, the mounting plate 7 may be fixedly connected to the water dividing structure or the bracket 1 in other ways, and when the mounting plate 7 is far from the water blocking structure 5, a motor 6 with a long output shaft 18 needs to be selected.
The mounting plate 7 in this embodiment is provided with a first mounting through hole 8, the motor 6 is arranged on one side of the mounting plate 7 far away from the water diversion structure, and an output shaft 18 of the motor 6 is penetrated to one side of the mounting plate 7 near the water diversion structure by the first mounting through hole 8 and is fixedly connected with the water retaining structure 5. Through setting up motor 6 in the one side that the water diversion structure was kept away from to mounting panel 7, and motor 6's output shaft 18 wear to establish behind the mounting panel 7 with water retaining structure 5 fixed connection for when motor 6 can drive water retaining structure 5 motion, the water that divides the water structure apart from again is farther, prevents that water and motor 6 contact that can be better from causing the potential safety hazard.
In order to improve the sealing effect, as shown in fig. 6, the evaporative cooling fan in the present embodiment further includes a sealing device disposed between the first mounting through hole 8 and the output shaft 18. Specifically, the sealing device in this embodiment is a sealing ring 9, and the sealing ring 9 is firmly and fixedly connected with the output shaft 18 of the motor 6 in an interference fit manner. By arranging the sealing device between the first mounting through hole 8 of the mounting plate 7 and the output shaft 18 of the motor 6, the sealing effect between the mounting plate 7 and the output shaft 18 is good, and the phenomenon that water permeates into the motor 6 from a gap between the first mounting through hole 8 and the motor 6 to cause damage to the motor 6 is avoided. As an alternative embodiment, the sealing ring 9 may be engaged with the output shaft 18 of the motor 6 or may be fixedly connected in other ways.
As shown in fig. 4, the water blocking structure 5 in this embodiment includes a mounting portion 10, one end of the mounting portion 10 is fixedly connected with an output shaft 18 of the motor 6, and a shielding portion 11 connected to the other end of the mounting portion 10, where the shielding portion 11 is adapted to shield the water outlet 4 or open the water outlet 4 under the driving of the motor 6. Through setting up water retaining structure 5 to including installation department 10 and shielding portion 11 for water retaining structure 5 is more convenient with being connected of motor 6, shielding portion 11 can be very convenient shelter from or open apopore 4 under motor 6's drive, and the structure is simpler. Specifically, the mounting portion 10 in this embodiment is provided with a second mounting through hole 17 opposite to the first mounting through hole 8, and the output shaft 18 of the motor passes through the first mounting through hole 8 and the second mounting through hole 17 and is locked with the mounting portion 10 by a screw, so that the mounting portion 10 is more firmly matched with the motor 6. Of course, other manners of fixedly connecting the mounting portion 10 and the output shaft 18 may be implemented, and will not be described herein.
The water blocking structure 5 in this embodiment further includes a connection portion 12 disposed between the mounting portion 10 and the shielding portion 11 and disposed at an angle to the mounting portion 10 and the shielding portion 11. Through set up connecting portion 12 on water retaining structure 5 for can have certain difference in height between installation department 10 and the shielding portion 11, make water retaining structure 5 and motor 6's link distance apopore 4 farther, and then make motor 6 can keep away from the water in the water diversion structure, prevented that water and motor 6 from contacting and causing the potential safety hazard. As an alternative embodiment, the water blocking structure 5 may not be provided with the connection portion 12.
Because the shielding part 11 and the water diversion structure are both made of hard materials, in order to enhance the sealing effect of the water blocking structure 5 in a sealing state, the water blocking structure 5 in the embodiment further comprises an elastic piece fixedly connected to one side of the shielding part 11 close to the water outlet hole 4. Specifically, the elastic member is a rubber pad 13. Through the fixed connection elastic component in the lower extreme of the shielding part 11 of manger plate structure 5 for the elastic component can utilize the deformation of self to fill up the clearance between apopore 4 and the shielding part 11 completely when shielding part 11 shelters from apopore 4, has strengthened sealed effect, prevents to leak.
As shown in FIG. 5, the water diversion structure in the embodiment comprises a water diversion cavity 3, wherein the bottom of the water diversion cavity 3 is provided with a water outlet hole 4, the water diversion structure further comprises a baffle rib 14 which extends upwards from the bottom of the water diversion cavity 3, the height of the baffle rib 14 is smaller than that of the cavity wall of the water diversion cavity 3, one side of the baffle rib 14 is provided with the water outlet hole 4, and an overflow hole 15 which is arranged at the bottom of the water diversion cavity 3 and positioned at the other side of the baffle rib 14 is suitable for discharging water out of the bracket 1. Specifically, the water discharged from the overflow hole 15 may be directly transferred to the water tank of the evaporative cooling fan to be recycled as a water source for re-supplying water. By arranging the baffle ribs 14 on the water distribution structure, the water outlet holes 4 and the overflow holes 15 are respectively arranged on two sides of the baffle ribs 14, so that when the water distribution structure 5 blocks the water outlet holes 4, water can overflow the baffle ribs 14 to be discharged out of the bracket 1 through the overflow holes 15, and excessive water is prevented from accumulating in the water distribution cavity 3 and splashing into the evaporation type cooling fan, so that potential safety hazards are caused. As an alternative embodiment, the water discharged from the water overflow hole 15 may be directly discharged to the outside of the evaporative cooling fan.
The water outlet hole 4 at the bottom of the water distribution cavity 3 in this embodiment is one, on which a water blocking structure 5 is arranged, and the water blocking structure 5 rotates relative to the water outlet hole 4, so that the water outlet hole 4 can downwards discharge water or can not downwards discharge water. In the alternative embodiment, the water outlets 4 may be multiple, arranged at the bottom of the water distribution cavity 3 at intervals, the motor 6 is arranged at one side of the water distribution structure, the mounting portion 10 and the motor 6 are correspondingly arranged at one side of the water distribution structure, the shielding portion 11 of the water blocking structure 5 is long and extends to the other side of the water distribution structure, one motor 6 drives one water blocking structure 5 to rotate and simultaneously controls the water outlets 4 to be opened or closed, or each water outlet 4 is provided with one water blocking structure 5 and one motor 6, and each water outlet 4 is independently controlled.
The evaporative cooling fan in the embodiment further comprises a sensing device which is arranged on the bracket 1 and is suitable for sensing whether the wet curtain 2 is assembled on the accommodating cavity. Through setting up induction system on support 1, can the wet curtain 2 of auto-induction whether assemble on the holding chamber, improved user experience. As an alternative embodiment, the sensor may not be provided.
The sensing device in this embodiment is a photoelectric sensing switch 16, and includes a photoelectric generator and a photoelectric receiver, which are respectively disposed on inner walls of two sides of the accommodating cavity, when the accommodating cavity is not assembled with the wet curtain 2, the light emitted by the photoelectric generator on one side of the accommodating cavity can be received by the photoelectric receiver on the other side, so as to emit a signal that the accommodating cavity is not assembled with the wet curtain 2, and when the accommodating cavity is assembled with the wet curtain 2, the light emitted by the photoelectric generator on one side of the accommodating cavity cannot be received by the photoelectric receiver on the other side, so as to emit a signal that the accommodating cavity is assembled with the wet curtain 2. As an alternative embodiment, the sensing device may be an extrusion type sensing switch, which is disposed on an inner wall of the accommodating chamber, and gives an extrusion force to the extrusion type sensing switch when the wet curtain 2 is assembled to the accommodating chamber, and the extrusion type sensing switch is opened, and the extrusion type sensing switch has no extrusion force when the wet curtain 2 is not assembled to the accommodating chamber, and the extrusion type sensing switch is opened.
The evaporative cooling fan in the embodiment further comprises a controller which is connected with the induction device and the motor 6 and is suitable for controlling the motor 6 to drive the water retaining structure 5 to move to a sealing state when the induction device induces the wet curtain 2 to be not assembled on the accommodating cavity. Through setting up the controller of being connected with induction system, motor 6, when induction system response wet curtain 2 did not assemble on the holding chamber, can the motion of automatic control motor 6 drive manger plate structure 5 to sealing state, whether the response action of wet curtain 2 assembly on the holding chamber, water receiving device's activity action promptly, all can automatic realization, the user need not any manual operation, has realized the full automatization, has improved user experience greatly. As an alternative embodiment, the controller may not be provided, and the user may manually control the operation.
When the evaporative cooling fan works, as shown in fig. 7, when the photoelectric sensing switch 16 senses that the wet curtain 2 is not assembled in the accommodating cavity, the controller drives the motor 6 to rotate so as to drive the water retaining structure 5 to rotate, the shielding part 11 rotates to the upper part of the water outlet hole 4, the rubber pad 13 is forced to deform and press the water outlet hole 4 so as to achieve the effect of sealing the water outlet hole 4 and preventing water from flowing down downwards, no water drops are generated at the air inlet of the evaporative cooling fan at the moment, water sound and sputtering caused by water dropping from a high place are prevented, the water is prevented from being sucked by a fan of the evaporative cooling fan, and the potential safety hazard is caused, meanwhile, the water level in the water distributing cavity 3 rises due to the fact that the water is continuously fed in the water distributing cavity 3, and after the water level is higher than the water retaining rib 14, the water flows back to the water tank from the overflow hole 15, and the potential safety hazard is avoided.
When the evaporative cooling fan works, as shown in fig. 8, when the photoelectric sensing switch 16 senses that the wet curtain 2 is assembled in the accommodating cavity, the controller drives the motor 6 to rotate, then drives the water retaining structure 5 to rotate, the shielding part 11 rotates to one side of the water outlet 4, the water outlet 4 is opened, water can flow from the water outlet 4 to the wet curtain 2 to wet the wet curtain 2, and moisture evaporates from the wet curtain 2 after the fan of the evaporative cooling fan is started, so that the humidifying and cooling functions are realized.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.