The content of the invention
To solve above-mentioned technical problem at least in part, according to an aspect of the invention, there is provided a kind of temperature sensingDevice, for the cooking apparatus with interior pot, the interior pan has an outer layer pot wall and internal layer pot wall, the outer layer pot wall and describedFormed with closed cavity between internal layer pot wall, the medium that can be conducted heat, temperature-sensing device bag are provided with the closed cavityTemperature-sensing element is included, the temperature-sensing element is used for the temperature for sensing the medium.
According to this programme, the temperature of temperature-sensing element sensed media, in the cooking apparatus course of work, heat is transmitted to by mediumHeat is also directly passed to temperature-sensing element while outer layer pot wall, the temperature of the directly synchronous sensed media of temperature-sensing element can be madeDegree, temperature-sensing element no longer need to reduce because passing to temperature-sensing element by outer layer pot wall come sensing temperature by outer layer pot wallMultilayer heat transfer.
Preferably, the temperature-sensing element is made up of thermocouple, NTC, PTC or bimetal leaf.According to this programme, can causeThe thermometric of temperature-sensing element is sensitiveer.
Preferably, the direct contact medium of the temperature-sensing element.According to this programme, it can make it that the thermometric of temperature-sensing element is more accurateReally.
Preferably, the temperature-sensing element is provided with insulating protective layer, and the insulating protective layer is made up of heat-barrier material.According to thisScheme, temperature-sensing element can be protected, extend its service life.
Preferably, the temperature-sensing device includes being used for the shell for accommodating the temperature-sensing element, and the shell directly connectsThe medium is touched, the temperature-sensing element senses the temperature of the medium by the shell.According to this programme, thermometric can be causedAccurately, and the service life of temperature-sensing element can be extended.
Preferably, the temperature-sensing element is fixedly installed on interior pot.According to this programme, temperature-sensing element can be with interior pot from potIt is removed or placed into cooker body in vivo.
Preferably, the temperature-sensing device includes the first signal transmission end and secondary signal transmission end, first letterNumber transmission end electrically connects with the temperature-sensing element, to obtain and transmit the signal from the temperature-sensing element, the secondary signalTransmission end is used to receive the signal from the first signal transmission end transmission.
According to this programme, it is ensured that the validity of signal transmission, while avoid labyrinth.
Preferably, the connected mode of the first signal transmission end and the secondary signal transmission end is electrically connected to be separableConnect.According to this programme, it is ensured that the validity of signal transmission, while avoid labyrinth.
Preferably, the first signal transmission end and the secondary signal transmission end be separable coupler to each other,Terminal or contact.According to this programme, the validity of signal transmission is ensure that, while avoids labyrinth.
Preferably, the first signal transmission end and the secondary signal transmission end do not contact, the secondary signal transmissionEnd wirelessly receives the signal that the first signal transmission end is sent.According to this programme, the validity of signal transmission is ensure that, togetherWhen avoid labyrinth.
Preferably, the temperature-sensing element and the first signal transmission end are arranged in the closed cavity.According to weCase, ensure that the validity of signal transmission, while avoid labyrinth.
Preferably, the temperature-sensing device includes fixed bin, and the fixed bin is used to be permanently connected with the interior pot.
According to this programme, fixed bin can play a protective role to temperature-sensing element and the first signal transmission end, and fixed binIt is permanently connected, can be taken out with interior pot out of cooker body so that I＆M of being more convenient for interior pot.
Preferably, the fixed bin is made up of rubber, silica gel, plastic cement or metal.
According to this programme, fixed bin can preferably play a part of protecting temperature-sensing element and the first signal transmission end.
Preferably, the fixed bin is handle, and the handle is used to move the interior pot.
Preferably, the temperature-sensing device is provided with passes for sealing the temperature-sensing element and/or first signalThe sealing device at defeated end.
According to this programme, temperature-sensing element and the first signal transmission end can be protected.
According to another aspect of the present invention, there is provided a kind of cooking apparatus, including cooker body, lid and according to above any oneCooker body described in the temperature-sensing device of scheme includes interior pot and heater, and the interior pot is removedly arranged at the cooker bodyInterior, the interior pan has a double-deck pot wall area, and the double-deck pot wall area includes outer layer pot wall and internal layer pot wall, the outer layer pot wall andFormed with closed cavity between the internal layer pot wall, the medium that can be conducted heat is provided with the closed cavity.
According to this programme, the temperature of temperature-sensing element sensed media, in the cooking apparatus course of work, heat is transmitted to by mediumHeat is also directly passed to temperature-sensing element while outer layer pot wall, the temperature of the directly synchronous sensed media of temperature-sensing element can be madeDegree, temperature-sensing element no longer need to reduce because passing to temperature-sensing element by outer layer pot wall come sensing temperature by outer layer pot wallMultilayer heat transfer.
Preferably, in addition to lid, the lid are arranged on the cooker body in which can cover.According to this programme, culinary artUtensil can preferably be completed to cook.
Preferably, the interior pan has unmanaged portion and the heated parts in face of heater, and the double-deck pot wall area is at leastIt is positioned partially at the unmanaged portion.According to this programme, it is ensured that the uniformity and accuracy of thermometric.
Preferably, the outer layer pot wall is provided with through hole, and the temperature-sensing element is arranged on the through hole.According to weCase, it is ensured that the accuracy of thermometric.
Preferably, the temperature-sensing element extends through the through hole and is at least partially situated in the closed cavity.RootAccording to this programme, it is ensured that the accuracy of thermometric.
Preferably, the interior pot also includes the first connector, and first connector is located at the through hole, and described firstConnector has the hole connected with the closed cavity, and the temperature-sensing element extends inwardly through the hole., can according to this programmeEnsure the accuracy of thermometric, and convenient realization.
Preferably, the temperature-sensing element is provided with insulating protective layer, and the insulating protective layer is made up of heat-barrier material.
According to this programme, temperature-sensing element can be protected, extends its service life.
Preferably, the temperature-sensing device includes being used for the shell for accommodating the temperature-sensing element, and the shell directly connectsThe medium is touched, the temperature-sensing element senses the temperature of the medium by the shell.
According to this programme, temperature-sensing element can be protected, extends its service life.
Preferably, the temperature-sensing device includes the first signal transmission end and secondary signal transmission end, first letterNumber transmission end electrically connects with the temperature-sensing element, to obtain and transmit the signal from the temperature-sensing element, the secondary signalTransmission end is used to receive the signal from the first signal transmission end transmission, also, the secondary signal transmission end is arranged onIn the cooker body or in the lid.
According to this programme, the accuracy of signal transmission is ensure that, and avoids labyrinth.
Embodiment
In discussion below, details is given to provide more thorough understanding of the invention.However, this area skillArt personnel will be seen that the present invention can be carried out without one or more of these details.In specific example, in order toAvoid obscuring with the present invention, do not described at large for some technical characteristics well known in the art.Need what is illustratedBe, term used herein " on ", " under ", "front", "rear", "left", "right" and similar statement simply to illustrate thatPurpose, not limit.
The cited such as ordinal number of " first " and " second " is only to identify in the present invention, without any otherImplication, such as specific order etc..Moreover, for example, term " first component " itself does not imply that the presence of " second component ", artLanguage " second component " does not imply that the presence of " first component " in itself.
First embodiment
Hereinafter, the first embodiment of the present invention is illustrated referring to figs. 1 to Fig. 3.It is appreciated that according to the present invention'sCooking apparatus 100 can be electric cooker, electric pressure cooking saucepan or other cooking apparatus, and be removed according to the cooking apparatus 100 of the present inventionBeyond function with cooking rice, there can also be the various functions such as cook congee.
The cooking apparatus 100 of present embodiment includes cooker body 110 and lid 120.As shown in figure 1, cooker body 110 is substantially inRounded cuboid shape, and with drum interior pot accommodating chamber, interior pot 111 can freely be put into interior pot accommodating chamber orPerson takes out from interior pot accommodating chamber, to facilitate the cleaning of internal pot 111.Interior pot 111 is generally made up of metal material and upper table maskThere is circular open, for holding material to be heated, rice, soup etc..It can include being used to heat interior pot 111 in cooker body 110Heater 112, the heater 112 used in present embodiment is the heat-generating disc positioned at the interior lower section of pot 111, at other notIn the embodiment shown, IH or other heaters can be used.The substantially also rounded rectangular shape of lid 120, andAnd essentially corresponded to the shape of cooker body 110.Lid 120 can be arranged on the upside of cooker body 110, for being covered under the state that coversCooker body 110.Lid 120 can be respectively at relative to cooker body 110 and cover position and open position.Preferably, lid 120 canPivotably switch in open position and covering between position.
As shown in Figures 2 and 3, interior pot 111 has double-deck pot wall area, and double-deck pot wall area includes outer layer pot wall 1111 and internal layer potWall 1112, formed with closed cavity 1113 between outer layer pot wall 1111 and internal layer pot wall 1112, accommodated in closed cavity 1113Heat transfer medium.Internal layer pot wall 1112 is used for direct contacting foodstuff.Interior pot can be divided into heated parts and unmanaged portion, and heated parts are interior potThe part of 111 heater 112 in face of cooking apparatus 100, unmanaged portion are the remainder of interior pot, and double-deck pot wall area is extremelyIt is at least partially located on the unmanaged portion.Heater 112 directly heats to heated parts, and heat can pass through closed cavityHeat transfer medium Transmit evenly in 1113 is to internal layer pot wall 1112.
As shown in Figures 2 and 3, outer layer pot wall 1111 sets through hole, is additionally provided with temperature-sensing element 130, temperature-sensing element in it130 are set to interior pot 111 by being welded and fixed, and are wrapped in by shell 150 and extend into through hole, temperature-sensing element 130 passes through shellThe temperature of 150 sensed medias, certainly, in other unshowned embodiments, temperature-sensing element can connect by other meansTo interior pot.The temperature control scope of temperature-sensing element 130 is -30 ° -350 °, it is preferable that in the range of -30 ° -200 °.Temperature-sensing element130 can be made up of thermocouple, NTC, PTC or bimetal leaf, and the material that shell 150 can use thermal conductivity factor higher is made,For example be made up of materials such as copper, aluminium, to improve the accuracy of temperature sensing.Furthermore it is also possible in the removing of temperature-sensing element 130Needing to set insulating protective layer around the side of sensed media, insulating protective layer is made up of heat-barrier material, such as nonmetallic, plastic cement,Rubber etc., to protect temperature-sensing element 130.
Be additionally provided with cooking apparatus 100 first coil 133 (a kind of embodiment as the first signal transmission end) andSecond coil 134 (a kind of embodiment as secondary signal transmission end), first coil 133 pass through wire 190 and temperature-sensitive memberPart 130 is connected, and first coil 133 is used to receive the signal that temperature-sensing element 130 is transmitted and signal is wirelessly transferred into secondCoil 134.Meanwhile pcb board 140 is additionally provided with cooker body 110, signal processing part is provided with pcb board 140, it is first by temperature-sensitiveFirst coil 133 is passed to after the signal transacting that part 130 senses.
As shown in Figures 2 and 3, fixed bin 160 is additionally provided with cooker body 110, it can be by rubber, silica gel, plastic cement or metalIt is made.Fixed bin 160 covers temperature-sensing element 130, first coil 133 and pcb board 140, to protect temperature-sensing element 130, First LineCircle 133 and pcb board 140.Fixed bin 160 and temperature-sensing element 130 are all fixedly mounted to pot 111.In the present embodiment, GuDetermine box 160 and be also used as handle, for interior pot 111 to be removed or placed into cooker body 110 from cooker body 110.In present embodimentIn, for it is attractive in appearance and prevent damage consideration, set fixed bin 160 relative to the interior 5-55mm of evagination of pot 111.
A kind of as shown in figure 3, (the embodiment party as secondary signal transmission end of the second coil 134 set in cooker body 110Formula), with the above-mentioned correspondence of first coil 133.Second coil 134 is fixedly mounted in cooker body 110, with first coil 133It is disposed separately, cooking pot is further passed to for wirelessly receiving the signal transmitted by first coil 133, and by signalThe control unit of tool 100.
In the present embodiment, temperature-sensing element 130, first coil 133, pcb board 140, the second coil 134 and fixed bin160 have collectively constituted temperature-sensing device, for sensing the temperature and transmission signal of the medium being contained in closed cavity, temperature-sensitiveElement 130 is avoided by outer layer pot wall 1111 come the temperature of sensed media by the temperature of 150 direct sensed media of shell,Heat is also directly passed to temperature-sensing element 130 while heat is transmitted to outer layer pot wall 1111 by medium, temperature-sensing element can be madeThe temperature of 130 direct synchronous sensed medias, temperature-sensing element 130 are no longer needed by outer layer pot wall 1111 come sensing temperature, reductionBecause the multilayer for passing to by outer layer pot wall 1111 temperature-sensing element is conducted heat.Meanwhile first coil 133 is adopted with the second coil 134With wirelessly transmission signal, the collection and identification of signal are realized so that the transmission of signal is more convenient simple, ensure that letterNumber transmission validity.
It should be noted that signal transmission is wirelessly carried out between the coil 134 of first coil 133 and second,Because first coil 133 is integrally fixed on interior pot 111, can be taken out with interior pot 111, but the second coil 134 is arranged on cooker bodyIn 110.Therefore, when interior pot 111 is placed in cooker body 110, the distance between first coil 133 and second coil 134 causeThe transmission of wireless signal can successfully be carried out；And when interior pot 111 takes out, first coil 133 can not be entered with the second coil 134The transmission of row wireless signal.Thus, when interior pot 111 is put into cooker body 110, as shown in Fig. 2 first coil 133 can be by wirelesslySignal is transferred to the second coil 134, the temperature of the sensed media of temperature-sensing element 130, and signal is passed into first by wire 190Signal is passed to the second coil 134 by coil 133, first coil 133, and signal is passed to control unit by the second coil 134 again.WhenWhen the temperature of pot 111 is too high in control unit judgement, control unit will control heater 112 to stop heating.
Furthermore, it is contemplated that interior pot 111 has the needs of cleaning, and fixed bin 160 covers temperature-sensing element 130, first coil 133With pcb board 140, and fixed bin 160 is permanently connected with interior pot 111, therefore is also provided with sealing ring on fixed bin 160, is used forTemperature-sensing element 130, first coil 133 and pcb board 140 are sealed, temperature-sensing device is effectively prevented and is lost because of contact waterEffect.
To ensure the normal work of pcb board 140, the electromagnetic induction between the second coil 134 and first coil 133 can be passed throughTo be powered to pcb board 140, or battery is installed to be powered to pcb board 140 in fixed bin 160.
So, the temperature-sensing element 130 in present embodiment enters closed cavity 1113 and passes through the sensed media of shell 150Temperature, the temperature change of interior pot 111 can be grasped exactly, can prevent the interlayer cavity of pot 111 in causing as temperature is too highPressure it is excessive, produce it is dangerous, so as to realize the effective monitoring of the internal temperature of pot 111.
Second embodiment
Second embodiment of the present invention is illustrated referring to Fig. 4.For purposes of simplicity, it is real in description secondThe description with first embodiment same section is eliminated when applying mode.
The interior pot of present embodiment includes outer layer pot wall 2111, internal layer pot wall 2112 and the vacuum filled with heat transfer mediumClosed cavity 2113, molecular collision, friction or the phase transformation of the heat transfer medium in the interior vacuum closed cavity 2113 of pot, energyEnough everywheres being transported to the heat of heated parts in closed cavity 2113, so as to realize the uniform temperature of interior pot surface temperature.
The unmanaged portion of outer layer pot wall 2111 has through hole, and through hole is provided with connector 290 (as the first connectorA kind of embodiment), there is the hole connected with through hole, temperature-sensing element 230 is wrapped in by shell partly to be extended on connector 290Through the hole on connector 290 and pass through the temperature of shell sensed media.As schemed, in present embodiment, temperature-sensing element 230 is notInto closed cavity 2113, but it is in contact by the hole on connector 290 with heat transfer medium.
According to the cooking apparatus of present embodiment, the temperature of interior pot can be preferably sensed.
3rd embodiment
Third embodiment of the present invention is illustrated referring to Fig. 5 and Fig. 6.For purposes of simplicity, describingThe description with first embodiment same section is eliminated during three embodiments.
The unmanaged portion part for the side wall that the interior pot of the cooking apparatus of present embodiment is set includes the interlayer knot of stepStructure, i.e. interior gap between the lower sidewall of pot and the outer layer pot wall 3111 of bottom wall and internal layer pot wall 3112 are larger, and interior potGap between the outer layer pot wall 3111 and internal layer pot wall 3112 of side wall upper part is smaller.The outer layer pot wall 3111 on top is provided with logicalHole, temperature-sensing element 330 are wrapped in the temperature that heat transfer medium is sensed by the through hole by shell, from fig. 6, it can be seen that shell with it is outerThe inner surface of layer pot wall 3111 is concordant.
Because the double-deck pot wall area of the unmanaged portion part of the side wall of the interior pot at temperature-sensing element place is less for gapDouble boiler wall construction, the closed cavity small volume between the outer layer pot wall and internal layer pot wall of interior pot, therefore existed with temperature-sensing elementSensed media temperature herein, control unit can be caused to better control over the heating work to heated parts, can eliminate in time byExcessive caused dangerous in closed cavity pressure, therefore, such structure is more safe.
4th embodiment
The 4th embodiment of the present invention is illustrated referring to Fig. 7.For purposes of simplicity, it is real in description the 4thThe description with first embodiment same section is eliminated when applying mode.
In present embodiment, the outer layer pot wall 4111 for being still unmanaged portion is provided with through hole, and temperature-sensing element extends intoThe temperature of through hole sensed media, rather than the temperature of sensing outer layer pot wall 4111, ensure that validity, the accuracy and one of thermometricCause property.In the present embodiment, a kind of two the first terminals (embodiment party as the first signal transmission end is provided with cooker bodyFormula), it is connected by wire with temperature-sensing element.Meanwhile two Second terminals 450 are set in lid 420 (as secondary signalA kind of embodiment of transmission end), Second terminal 450 can be disconnected to the first terminal to be electrically connected, and ensure that having for signal transmissionEffect property, and avoid labyrinth.
Simultaneously as Second terminal 450 is fixedly provided in lid 420, therefore only when lid 420 covers, theTwo-terminal 450 could contact with the first terminal, could carry out the transmission of signal, and when lid 420 does not cover, Second terminal450 disconnect with the first terminal, can not carry out the transmission of signal.Therefore, the temperature-sensing device of present embodiment also can useWhether covered in detection lid.
Content in above-mentioned several embodiments only can be right not as restriction, those skilled in the art as exampleContent in embodiment is reasonably deformed, and temperature-sensing element can be such as arranged to direct contact medium without by outerShell carrys out contact medium, or can be arranged as required to the quantity of the first terminal and Second terminal (such as when temperature-sensing element signal sourceIt is respectively 3 that the first terminal and Second terminal are set when loop is non-isolated, is set when temperature-sensing element signal resource loop is isolationThe quantity of the first terminal and Second terminal is respectively 2), the first terminal and Second terminal can also be arranged to separable couplingThe structure of device or socket/blade inserting, also, the first and second terminals can also be arranged to fixed according to used occasionStructure or floating structure, sealing device can also use the other structures such as diaphragm seal.Or in other unshowned implementationsIn mode, temperature-sensing element and the first signal transmission end can be enclosed in closed cavity, secondary signal transmission end is arranged on envelopeClose on the outside of cavity, the first signal transmission end launches wireless signal across outer layer pot wall to secondary signal transmission end.
Unless otherwise defined, technology used herein and scientific terminology and the those skilled in the art of the present inventionThe implication being generally understood that is identical.Term used herein is intended merely to describe specifically to implement purpose, it is not intended that limitation is originallyInvention.Terms such as herein presented " parts " can both represent single part, can also represent the group of multiple partsClose.The term such as herein presented " installation ", " setting " can both represent that a part was attached directly to another part,It can also represent that a part is attached to another part by middleware.The feature described in one embodiment hereinAnother embodiment can be applied in combination individually or with other features, unless this feature is in another embodimentIn do not apply to or be otherwise noted.
The present invention is illustrated by above-mentioned embodiment, but it is to be understood that, above-mentioned embodiment isFor the purpose illustrated and illustrated, and it is not intended to limit the invention in the range of described embodiment.Art technologyPersonnel are it is understood that can also make more kinds of variants and modifications according to the teachings of the present invention, these variants and modificationsAll fall within scope of the present invention.