CN208876085U - Power switch component and cooking apparatus - Google Patents
Power switch component and cooking apparatus Download PDFInfo
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- CN208876085U CN208876085U CN201820843843.1U CN201820843843U CN208876085U CN 208876085 U CN208876085 U CN 208876085U CN 201820843843 U CN201820843843 U CN 201820843843U CN 208876085 U CN208876085 U CN 208876085U
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Abstract
The utility model provides a kind of power switch component, is used for cooking apparatus, and power switch component includes: shell, is equipped with accommodation space, and shell has the steam channel being connected with the cooking cavity of cooking apparatus；Elastic sealing element, is arranged in the outlet end of steam channel, and elastic deformation can occur under the action of pressure in steam channel for elastic sealing element；Movable part is arranged in the side of elastic sealing element, and moves under the promotion that flexible deformation occurs for elastic sealing element；Contact-making switch is electrically connected with the heating system of cooking apparatus, and in contact-making switch a conductive sheet is mutually overlapped with movable part, and the mobile drive conductive sheet of movable part moves so that contact-making switch disconnects；Electromagnet is arranged in shell, and is located on the moving direction of conductive sheet, and when contact-making switch disconnects, electromagnet is powered and adsorbs conductive sheet so that contact-making switch remains off.
Description
Technical field
The utility model belongs to machine for kitchen use technical field, cooks in particular to a kind of power switch component and one kind
It prepares food utensil.
Background technique
Currently, electric pressure cooking saucepan product normal pressure use scope is usually led in 70kpa when abnormal over-voltage occurs in product
It crosses extruding sealing ring and turns up and gas is caused to leak outside, to carry out overvoltage protection to product, prevent pot body from popping.But this kind of pressure release mode
Pressure release is unstable, and is easy to damage user because of the leakage of the gas of high temperature and pressure.
Utility model content
The utility model aims to solve the problem that one of technical problems existing in the prior art or related technologies.
For this purpose, the first aspect of the utility model provides a kind of power switch component.
The second aspect of the utility model provides a kind of cooking apparatus.
In view of this, first aspect according to the present utility model provides a kind of power switch component, it is used for cooking apparatus,
Power switch component includes: shell, is equipped with accommodation space, and shell has the steam being connected with the cooking cavity of cooking apparatus logical
Road；Elastic sealing element, is arranged in the outlet end of steam channel, and elastic sealing element can occur under the action of pressure in steam channel
Elastic deformation；Movable part is arranged in the side of elastic sealing element, and moves down in the promotion that flexible deformation occurs for elastic sealing element
It is dynamic；Contact-making switch, a conductive sheet in contact-making switch are mutually overlapped with movable part, the mobile drive conductive sheet of movable part it is mobile with
Disconnect contact-making switch；Electromagnet is arranged in shell, and is located on the moving direction of conductive sheet, when contact-making switch disconnects,
Electromagnet is powered and adsorbs conductive sheet so that contact-making switch remains off.
Power switch component provided by the utility model, by the way that a part of shell is configured to steam channel and cooking pot
The cooking cavity of tool is connected, and elastic sealing element is arranged in the end of steam channel, and movable part is arranged in elastic sealing element
Side, the pressure in cooking cavity is directly fed back in steam channel, feedback promotes elasticity on elastic sealing element
Sealing element compression deformation pushes movable part mobile, can accurately and in time feed back the pressure condition in cooking cavity, be conducive to
Pressure protection.By the way that a conductive sheet of contact-making switch to be overlapped on movable part, and then occurred in movable part by elastic sealing element
Flexible deformation and when pushing, conductive sheet is also mobile with movable part, at this point, contact-making switch disconnects, can stop as cooking apparatus
Heating system power supply, is quickly suddenly arranged without steam, and since heating system has stopped heating, the steam in cooking cavity can at any time certainly
So cooling decompression, effectively avoids high temperature and high pressure steam from suddenly arranging and damage to user.Specifically, contact-making switch and cooking apparatus
Heating system electrical connection, further, contact-making switch can be connected in series with heating system, contact-making switch disconnection when, be naturally
Heating system power-off, contact-making switch can also be electrically connected with heating system by control device, be connect at this point, detecting in control device
When touching switch disconnects, heating is stopped by control device control heating system.
By the way that electromagnet is arranged, which can power on magnetisation absorption conductive sheet in the case where contact-making switch disconnects,
So that contact-making switch remains powered off state, after conductive sheet can be effectively prevent to reset, contact-making switch is connected, and makes heating system
Recovery, which powers on, to continue to heat, internal necessarily more serious problem occurred especially after overpressure situation occurs in cooking apparatus,
At this time, it may be necessary to which shutdown inspection or replacement cooking apparatus necessarily will appear over-voltage again, or even because mistake is grasped if continuing to use
Make and cause personal safety, therefore, adds electromagnet to continue to heat after preventing cooking apparatus from over-voltage occur, improve using peace
Quan Xing.It should be noted that those skilled in the art are it is also contemplated that replace electromagnet by permanent magnet, at this time, it may be necessary to adjust
Spacing between whole conductive sheet and permanent magnet, when conductive sheet is moved to and has at regular intervals between permanent magnet by movable part,
Conductive sheet enters within the scope of the effective magnetic field of permanent magnet, and permanent magnet absorption conductive sheet is bonded with it, to prevent conductive sheet from resetting.
In addition, the power switch component in above-mentioned technical proposal provided by the utility model can also have additional skill as follows
Art feature:
In any of the above-described technical solution, it is preferable that the outlet end of steam channel is vertically extending, and movable part is in elastic packing
It is moved up and down under the promotion of part, drives conductive sheet mobile；Or the outlet end of steam channel is laterally extended, movable part is in elastic packing
Transverse shifting under the promotion of part drives conductive sheet mobile.
In the technical scheme, the steam pressure meeting when the outlet end of steam channel is vertically extending, inside cooking apparatus
Triggering elastic sealing element is vertically heaved, and then pushes movable part vertically movable, at this point, conductive sheet is preferably laterally placed.Work as steam
When the outlet end in channel is laterally extended, the steam pressure inside cooking apparatus can trigger elastic sealing element and laterally heave, and then push away
Dynamic movable part transverse shifting, at this point, conductive sheet is preferably vertically placed.It should be noted that can be horizontal direction laterally, it can also
Between horizontal direction angle less than either 45 ° to；It vertically, can be vertical direction, it can also be between vertical direction
Angle less than either 45 ° to.The outlet end of steam channel is preferably vertically extending or is laterally extended, and can also prolong certainly for arc
It stretches, it is numerous to list herein.
In any of the above-described technical solution, it is preferable that when the outlet end of steam channel is vertically extending, movable part includes:
Protrusion is arranged on the outer wall of movable part, and conductive sheet rides upon on protrusion.
In the technical scheme, by the way that protrusion is arranged on the outer wall of movable part, conductive sheet is ridden upon on protrusion,
Be conducive to drive conductive sheet mobile by protrusion when elastic sealing element pushes movable part mobile, it is ensured that conductive sheet can be
It is moved under the drive of movable part, so that contact-making switch disconnects, and improves the installation stability of conductive sheet, and then improve culinary art
The stability of appliance internal circuit connection.Preferably, protrusion and conductive sheet integral molding.
In any of the above-described technical solution, it is preferable that power switch component further include: limit spring, the one of limit spring
End and movable part are abutted against far from one end of steam channel, and limit spring is in compressive state.
In the technical scheme, by the way that limit spring is arranged, the separate steam of one end and movable part for making limit spring is logical
The one end in road abuts against, and the other end and the other structures of limit spring abut against, and limit spring is in compressive state, can increase
The mobile difficulty of movable part, just can be with after overcoming the elastic force of limit spring so that elastic sealing element is under the action of steam pressure
It drives movable part mobile, and then can ensure that just control contact-making switch disconnects when certain over-voltage in the cooking cavity of cooking apparatus, makes to add
Hot systems stop heating；Rather than contact-making switch disconnection is just controlled when pressure is larger but unlikely over-voltage, avoid the hair of faulty operation
It is raw.In addition, limit spring that can be different by setting, adjusts the pressure node of pressure protection, to adapt to different cookwares, so that
When steam pressure in cooking cavity reaches suitable value, it is determined as over-voltage.
In any of the above-described technical solution, it is preferable that the other end of limit spring and the inner wall of shell abut against；Or shell
Including main part and installation lid, main part is equipped with threaded hole, installation lid can spiral protrude into threaded hole, and limit spring is another
One end is set in installation and covers and abut installation lid.
In the technical scheme, the other end of limit spring can be abutted against directly with the inner wall of shell, so that limit spring
Compressive state is kept, can also be abutted against with installation lid.Wherein, installation lid can spiral protrude into the threaded hole on main part, be convenient for
Installing and dismounting is also convenient for adjusting pressure by adjusting the reduction length installed and cover the depth for protruding into threaded hole to adjust limit spring
The pressure node for shield of trying hard to keep, pressure spot when pressure node is steam pressure judgement over-voltage in cooking cavity.Meanwhile limit spring
Installation can be set in cover, i.e. installation lid has the projective structure that can be protruded into inside limit spring towards one end of movable part, mentions
Stability in high limit spring deformation process.
In any of the above-described technical solution, it is preferable that movable part is equipped with holding tank, and limit spring is arranged in holding tank
It is interior；Or movable part is equipped with limited post, limit spring is set on limited post.
In the technical scheme, movable part is equipped with the holding tank for accommodating limit spring or protrudes into the limit inside limit spring
Position column also effectively prevent limit spring to curve in deformation process convenient for the installation of limit spring, influences the elastic force of itself
Size and action direction, and then influence the monitoring of pressure node.
In any of the above-described technical solution, it is preferable that the inner wall of shell is equipped with annular groove, and elastic sealing element is in H-type, and
The edge of elastic sealing element is fastened in annular groove.
In the technical scheme, elastic sealing element is in H-type, the edge phase of the cross sectional shape and elastic sealing element of annular groove
On the one hand adaptation is convenient for elastic sealing element firm installation, on the other hand can effectively avoid elastic sealing element in the work of steam pressure
With lower disengaging annular groove, and cause the mobile failure of movable part, cause steam through the gap between elastic sealing element and annular groove into
Enter in shell, influence the judgement of steam pressure, or even causes security risk.Wherein, annular groove can be circular trough or square groove
Or rectangular slot.
In any of the above-described technical solution, it is preferable that power switch component further include: annular pressing plate is arranged in shell,
One end face of annular pressing plate is equipped with annular presser feet, and annular presser feet rides upon the edge of elastic sealing element, annular pressing plate it is another
One end face is abutted against with the limit protrusion on shell, and movable part is located at the hollow region of annular pressing plate.
In the technical scheme, power switch component further includes annular pressing plate, and annular pressing plate is equipped with annular presser feet, annular
Presser feet rides upon the edge of elastic sealing element, and the limit protrusion on the other end and shell of annular pressing plate abuts against, and leads to
The edge that annular pressing plate pressure is set to elastic sealing element is crossed, and abuts limit protrusion, elastic sealing element can be effectively prevent in steam
Deformation under the action of pressure and be detached from annular groove.Movable part is located at the hollow region of annular pressing plate, so that the movement of movable part is not
Enough spaces can be provided for the movement of movable part by the interference of annular pressing plate.
In any of the above-described technical solution, it is preferable that power switch component further include: the bottom of shell is arranged in installation foot
On wall, shell is mounted on inside cooking apparatus；And/or mounting ear, it is arranged on the side wall of shell, mounting ear, which is equipped with, to be supplied
The through-hole that screw or bolt pass through.
In the technical scheme, power switch component further includes installation foot, is arranged on the bottom wall of shell, is convenient for shell
The a certain position inside cooking apparatus is plugged in by installation foot.Power switch component further includes mounting ear, due on mounting ear
With the through-hole passed through for screw or bolt, and then certain that can be extend by screw or bolt across mounting ear in cooking apparatus
In one structure, shell is disposed thereon.Preferably, through-hole is threaded hole.
The second aspect of the utility model provides a kind of cooking apparatus, comprising: such as any one of above-mentioned technical proposal
Power switch component.
Cooking apparatus provided by the utility model, due to having the power off switch group such as any one of above-mentioned technical proposal
Part, and then the beneficial effect with any one of above-mentioned technical proposal, will not repeat them here.Preferably, cooking apparatus is electricity
Rice cooker or electric pressure cooking saucepan.
In any of the above-described technical solution, it is preferable that cooking apparatus further include: power supply circuit, respectively with power supply and culinary art
The heating system of utensil is electrically connected, and contact-making switch is serially connected between power supply and heating system or control device, opens respectively with contact
It closes and heating system electrical connection, control device controls the working condition of heating system according to the on-off signal of contact-making switch.
In the technical scheme, contact-making switch can be serially connected on the power supply circuit of cooking apparatus, such as is serially connected in power supply
It pushes movable part mobile between heating system, and then under the action of elastic sealing element is in steam pressure, and drives conductive sheet
When mobile, contact-making switch is disconnected, and can directly cut off the power being electrically connected between heating system, is stopped as heating system confession
Electricity.Contact-making switch can also be electrically connected with control device, through control device when detecting that contact-making switch disconnects, be to heating
System issues control signal, so that heating system stops heating, simplifies connection.Specifically, control device can be PLC, contact
Switch is connected with the input terminal of PLC, and then PLC can judge contact-making switch according to the low and high level of itself input terminal variation etc.
Whether in device is disconnected, stop heating to control heating system in time.
In any of the above-described technical solution, it is preferable that contact-making switch further include: normally opened relay and conductive sheet set, often
Open relay is connected with conductive sheet set and electromagnet respectively；When conductive sheet set disconnects, normally opened relay is closed so that electromagnetism
Tie Tong electricity.
In this embodiment, contact-making switch includes normally opened relay and conductive sheet set, and conductive sheet is one in conductive sheet set
A conductive sheet, when conductive sheet set disconnects, realizes electricity by being connected respectively with conductive sheet set and electromagnet normally opened relay
The energization of magnet enables electromagnet to generate magnetic-adsorption conductive sheet in time, and so that it will not reset.Specifically, conductive sheet set
For the upper electrical switch of normally opened relay, including the conductive sheet that can be moved under the action of movable part, be connected to each other with conductive sheet so that
The docking conductive sheet that normally opened relay powers on, and the public conductive sheet on upper electrical circuit, electromagnet while and conductive sheet
It is connected in parallel with docking conductive sheet, when being cooked, conductive sheet, which is powered on docking conductive sheet closure for normally opened relay, makes it
Closure, heating system heated, electromagnet no power, when the conductive sheet in conductive sheet set under the drive of movable part it is mobile with
When docking conductive sheet mutually to separate, and being in contact with public conductive sheet, normally opened relay power-off is disconnected, and has cut off power supply and heating system
Connection between system, or over-voltage signal is transmitted for control device, so that control device control heating system stops heating, electromagnet
Energization magnetisation, absorption conductive sheet make normally opened relay remain powered off state, avoid going wrong inside cooking apparatus and after over-voltage,
It is again started up heating system and security risk occurs.
In any of the above-described technical solution, it is preferable that cooking apparatus further include: upper cover, inner cover and cover board, inner cover are located at upper
Between lid and cover board, power switch component is arranged in the space between upper cover and cover board, and steam channel passes through cover board and cooks
The cooking cavity of utensil of preparing food is connected.
In the technical scheme, cooking apparatus includes upper cover, inner cover and cover board, by being arranged power switch component upper
In space between lid and cover board, and cover board is passed through by its steam channel and is extend into cooking cavity, on the one hand since steam is logical
Road protrudes into cooking cavity, can accurately understand the pressure condition in cooking cavity, avoid over-voltage, on the other hand due to power switch group
Part is arranged between upper cover and cover board, can effectively avoid its internal structure, such as conductive contact etc. and is interfered by steam and cause to pacify
Full hidden danger.
In any of the above-described technical solution, it is preferable that cooking apparatus further include: heating plate, setting inner cover and cover board it
Between.
It in the technical scheme, can be more comprehensive to cooking apparatus by the way that heating plate is arranged in cooking apparatus
Food materials in cooking cavity are heated, and especially in insulating process, can not only be heated by the heating element below pot body
Heat preservation, the heating plate being also may rely in cooking apparatus carry out heating and thermal insulation, improve the heat insulation effect of food materials in cooking cavity.
In any of the above-described technical solution, it is preferable that power switch component is arranged in inner cover.
In the technical scheme, by the way that power switch component to be arranged in inner cover, since inner cover installs stable and temperature
Variation less, and then ensure that the stability of the power supply circuit of power switch component, avoid conductive contact because of the original except over-voltage
Cause, such as the reasons such as be thermally deformed and disconnect, cause the heating device of cooking apparatus power off, and erroneous judgement is generated, it influences user and uses.
Certainly, when cooking apparatus includes heating plate, power switch component also be can be set in inner cover.
In any of the above-described technical solution, it is preferable that power switch component is arranged on hot plate.
In the technical scheme, when cooking apparatus has heating plate, by being arranged power switch component in heating plate
On, it can shorten the length of steam channel further close to the cooking cavity of cooking apparatus, improve the accuracy of pressure judgement,
And then the accuracy of over-voltage protection is improved, and reduce production cost.
In any of the above-described technical solution, it is preferable that cooking apparatus further include: vapor seal is arranged in steam channel
With the junction of cover board；And/or coaming plate, that surrounds steam channel protrudes into one end of cooking cavity, and is plugged in steam channel and lid
The junction of plate.
In the technical scheme, cooking apparatus further includes vapor seal, and the company between steam channel and cover board is arranged in
Place is met, steam is can effectively avoid and enters inside cooking apparatus through the gap between steam channel and cover board, influence in cooking apparatus
Portion's structure influences the accuracy of pressure judgement.Steam channel is surrounded by the junction setting between steam channel and cover board
Arrival end coaming plate, on the one hand facilitate in vapor collection enter steam channel in, on the other hand by the way that coaming plate is plugged in steam
The junction in channel and cover board is conducive to the firm installation of steam channel.
In any of the above-described technical solution, it is preferable that cooking apparatus further include: snap close piece, snap close piece include retainer and set
The lug boss on retainer is set, inside covers and offers arc chute, lug boss is passed through on arc chute and can arcuately be transported sliding slot
It is dynamic, while lug boss drives snap close piece to rotate together；Buckling parts is provided with below snap close piece, buckling parts is fastened on cooking apparatus
Pot body pot tooth on, and snap close piece rotates in inner cover, it can be achieved that snap close piece and pot body rotary fastening and opening.
In the technical scheme, snap close piece includes retainer and the lug boss that is arranged on retainer, inside covers and offers arc
Sliding slot, lug boss pass through arc chute and can arcuately runner movement, while lug boss drive snap close piece rotates together, and can pass through
Inner cover top setting driving mechanisms control lug boss arcuately runner movement realize snap close piece rotation, simplify snap close piece and
The structure of inner cover is rotated convenient for driving snap close piece, simplifies operating procedure, promotes user experience.It is additionally provided on snap close piece
The buckling parts being fastened below pot tooth can realize the locking of buckling parts and pot tooth by rotation lock fastener and loosen, to control
Fastening and opening of the snap close piece relative to pot body, realize the opening and closing lid function of cooking apparatus.Preferably, on the cover board with respect to pot
Sealing ring is arranged in the position of tooth, improves the leakproofness of cover assembly.
The additional aspect and advantage of utility model will be set forth in part in the description, partially will from the following description
Become obvious, or is recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 shows the schematic cross-sectional view of the power switch component of one embodiment of the utility model；
Fig. 2 shows the annexation figures between the contact-making switch of one embodiment of the utility model and heating system；
Fig. 3 shows the connection relationship between the contact-making switch and heating system of another embodiment of the utility model
Figure；
Fig. 4 shows the annexation figure between the electromagnet and conductive sheet of one embodiment of the utility model；
Fig. 5 shows the partial structural diagram of the cooking apparatus of one embodiment of the utility model；
Fig. 6 shows the partial structural diagram of the cooking apparatus of another embodiment of the utility model.
Wherein, corresponding relationship of the Fig. 1 into Fig. 6 between appended drawing reference and component names are as follows:
100 power switch components, 10 shells, 102 steam channels, 104 limit protrusions, 12 elastic sealing elements, 14 movable parts,
142 holding tanks, 16 limit springs, 18 contact-making switches, 182 conductive sheets, 20 electromagnet, 22 installation lids, 24 annular pressing plates, 242 rings
Shape presser feet, 26 installation feet, 28 mounting ears, 30 upper covers, 32 inner covers, 322 arc chutes, 34 cover boards, 36 heating plates, 38 retainers, 40
Lug boss, 42 buckling parts.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously
It is not limited by the specific embodiments disclosed below.
The power switch component 100 according to the utility model some embodiments is described referring to Fig. 1 to Fig. 6 and is cooked
It prepares food utensil.
As shown in Figures 1 to 4, the one side embodiment of the utility model proposes a kind of power switch component 100, is used for
Cooking apparatus, power switch component 100 include: shell 10, are equipped with accommodation space, and shell 10 has the cooking cavity with cooking apparatus
The steam channel 102 being connected；Elastic sealing element 12, is arranged in the outlet end of steam channel 102, and elastic sealing element 12 can steam
Elastic deformation occurs under the action of pressure in vapour channel 102；The side of elastic sealing element 12 is arranged in movable part 14, and in bullet
Property sealing element 12 occur flexible deformation promotion under move；Contact-making switch 18, a conductive sheet 182 in contact-making switch 18 and living
The mobile drive conductive sheet 182 of 14 phase of moving part overlap joint, movable part 14 is mobile so that contact-making switch 18 disconnects；Electromagnet 20, setting
In shell 10, and it is located on the moving direction of conductive sheet 182, when contact-making switch 18 disconnects, electromagnet 20 is powered and adsorbs
Conductive sheet 182 is so that contact-making switch 18 remains off.
Power switch component 100 provided by the utility model, by the way that a part of shell 10 is configured to steam channel 102
It is connected with the cooking cavity of cooking apparatus, and elastic sealing element 12 is arranged in the end of steam channel 102, movable part 14 is set
It sets and the pressure in cooking cavity is enabled to be directly fed back in steam channel 102 in the side of elastic sealing element 12, feedback arrives bullet
Property sealing element 12 on, promote 12 compression deformation of elastic sealing element to push movable part 14 mobile, can feed back accurately and in time and cook
It prepares food intracavitary pressure condition, is conducive to overvoltage protection.By the way that a conductive sheet 182 of contact-making switch 18 is overlapped on movable part 14
On, and then when movable part 14 is occurred flexible deformation and pushed by elastic sealing element 12, conductive sheet 182 is also moved with movable part 14
It is dynamic, at this point, contact-making switch 18 disconnects, it can stop powering for the heating system of cooking apparatus, quickly suddenly be arranged without steam, due to
Heating system has stopped heating, and the steam in cooking cavity natural cooling can be depressured at any time, effectively avoids high temperature and high pressure steam anxious
It arranges and user is damaged.Specifically, contact-making switch 18 is electrically connected with the heating system of cooking apparatus, further, such as Fig. 2
With shown in Fig. 3, contact-making switch 18 can be connected in series with heating system, when contact-making switch 18 disconnects, power off naturally for heating system,
Contact-making switch 18 can also be electrically connected by control device with heating system, at this point, detecting that contact-making switch 18 is disconnected in control device
When opening, heating is stopped by control device control heating system.
By the way that electromagnet 20 is arranged, which can power on magnetisation absorption in the case where contact-making switch 18 disconnects
Conductive sheet 182 after conductive sheet 182 can be effectively prevent to reset, connects contact-making switch so that contact-making switch 18 remains powered off state
18, and heating system recovery is powered on and continues to heat, it is internal necessarily to have gone out especially after overpressure situation occurs in cooking apparatus
Existing more serious problem, at this time, it may be necessary to which shutdown inspection or replacement cooking apparatus necessarily will appear again if continuing to use
Over-voltage, or even personal safety is caused because of faulty operation, therefore, it is subsequent to prevent cooking apparatus from over-voltage occur to add electromagnet 20
Continuous heating, improves safety in utilization.It should be noted that those skilled in the art by permanent magnet it is also contemplated that replaced
Conductive sheet 182 is moved at this time, it may be necessary to adjust the spacing between conductive sheet 182 and permanent magnet in movable part 14 by electromagnet 20
When having at regular intervals between permanent magnet, conductive sheet 182 is entered within the scope of the effective magnetic field of permanent magnet, and permanent magnet absorption is led
Electric piece 182 is bonded with it, to prevent conductive sheet 182 from resetting.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, the outlet end of steam channel 102 is vertically prolonged
It stretches, movable part 14 moves up and down under the promotion of elastic sealing element 12, drives conductive sheet 182 mobile；Or steam channel 102 go out
Mouth end is laterally extended, the transverse shifting under the promotion of elastic sealing element 12 of movable part 14, drives conductive sheet 182 mobile.
In this embodiment, the steam pressure meeting when the outlet end of steam channel 102 is vertically extending, inside cooking apparatus
Triggering elastic sealing element 12 is vertically heaved, and then pushes movable part 14 vertically movable, at this point, conductive sheet 182 is preferably laterally placed.
When the outlet end of steam channel 102 is laterally extended, the steam pressure inside cooking apparatus can trigger elastic sealing element 12 laterally
It heaves, and then pushes 14 transverse shifting of movable part, placed at this point, conductive sheet 182 is preferably vertical.It should be noted that laterally, it can
For horizontal direction, can also between horizontal direction angle less than either 45 ° to；Vertically, it can be vertical direction, can also be
Between vertical direction angle less than either 45 ° to.The outlet end of steam channel 102 is preferably vertically extending or laterally prolongs
It stretches, can also extend certainly for arc etc., it is numerous to list herein.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, the outlet end when steam channel 102 is vertical
When extension, movable part 14 includes: protrusion, is arranged on the outer wall of movable part 14, and conductive sheet 182 rides upon on protrusion.
In this embodiment, by the way that protrusion is arranged on the outer wall of movable part 14, conductive sheet 182 is ridden upon into protrusion
On, be conducive to drive conductive sheet 182 mobile by protrusion, it is ensured that lead when elastic sealing element 12 pushes movable part 14 mobile
Electric piece 182 can move under the drive of movable part 14, so that contact-making switch 18 disconnects, and improve the installation of conductive sheet 182
Stability, and then improve the stability of cooking apparatus internal circuit connection.Preferably, protrusion and 182 integral type of conductive sheet
Molding.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, power switch component 100 further include: limit
Position spring 16, one end of limit spring 16 are abutted against with movable part 14 far from one end of steam channel 102, and limit spring 16 is in
Compressive state.
In this embodiment, by the way that limit spring 16 is arranged, make one end of limit spring 16 and the separate steaming of movable part 14
The one end in vapour channel 102 abuts against, and the other end and the other structures of limit spring 16 abut against, and limit spring 16 is in compression shape
State can increase the mobile difficulty of movable part 14, so that elastic sealing element 12 overcomes limit spring under the action of steam pressure
Just control when after 16 elastic force, can just drive movable part 14 mobile, and then can ensure that certain over-voltage in the cooking cavity of cooking apparatus
Contact-making switch 18 processed disconnects, and heating system is made to stop heating, rather than when pressure is larger but unlikely over-voltage just controls contact-making switch
18 disconnect, and avoid the generation of faulty operation.In addition, the pressure of pressure protection can be adjusted by the way that different limit springs 16 is arranged
Node when so that the steam pressure in cooking cavity reaching suitable value, is determined as over-voltage to adapt to different cookwares.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, the other end and shell of limit spring 16
10 inner wall abuts against；Or shell 10 includes main part and installation lid 22, main part is equipped with threaded hole, and installation lid 22 can spiral
It protrudes into threaded hole, and the other end of limit spring 16 is set on installation lid 22 and abuts installation lid 22.
In this embodiment, the other end of limit spring 16 can the inner wall directly with shell 10 abut against so that limit bullet
Spring 16 keeps compressive state, can also abut against with installation lid 22.Wherein, installation lid 22 can spiral protrude into the threaded hole on main part
In, it is easily installed disassembly, is also convenient for protruding into the depth of threaded hole by adjusting installation lid 22 to adjust the compression of limit spring 16
Length adjusts the pressure node of pressure protection, pressure spot when pressure node is steam pressure judgement over-voltage in cooking cavity.Together
When, limit spring 16 can also be set on installation lid 22, i.e., installation lid 22 has towards one end of movable part 14 can protrude into limit
Projective structure inside spring 16 improves the stability in 16 deformation process of limit spring.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, movable part 14 is equipped with holding tank 142,
Limit spring 16 is arranged in holding tank 142；Or movable part 14 is equipped with limited post, limit spring 16 is set on limited post.
In this embodiment, movable part 14 is equipped with the holding tank 142 for accommodating limit spring 16 or protrudes into limit spring 16
Internal limited post also effectively prevent limit spring 16 to curve in deformation process, shadow convenient for the installation of limit spring 16
Itself elastic force and action direction are rung, and then influences the monitoring of pressure node.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, the inner wall of shell 10 is equipped with annular groove,
Elastic sealing element 12 is in H-type, and the edge of elastic sealing element 12 is fastened in annular groove.
In this embodiment, elastic sealing element 12 is in H-type, the cross sectional shape of annular groove and the edge of elastic sealing element 12
It is adapted, is on the one hand convenient for 12 firm installation of elastic sealing element, on the other hand can effectively avoid elastic sealing element 12 in vapour pressure
Be detached from annular groove under the action of power, and cause the mobile failure of movable part 14, cause steam through elastic sealing element 12 and annular groove it
Between gap enter in shell 10, influence the judgement of steam pressure, or even cause security risk.Wherein, annular groove can be circle
Slot or square groove or rectangular slot.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, power switch component 100 further include: ring
Shape pressing plate 24 is arranged in shell 10, and an end face of annular pressing plate 24 is equipped with annular presser feet 242, and annular presser feet 242 rides upon
The edge of elastic sealing element 12, the other end of annular pressing plate 24 is abutted against with the limit protrusion 104 on shell 10, and activity
Part 14 is located at the hollow region of annular pressing plate 24.
In this embodiment, power switch component 100 further includes annular pressing plate 24, and annular pressing plate 24 is equipped with annular presser feet
242, annular presser feet 242 rides upon the edge of elastic sealing element 12, and on the other end of annular pressing plate 24 and shell 10
Limit protrusion 104 abuts against, and the edge of elastic sealing element 12 is set by pressing annular pressing plate 24, and abuts limit protrusion 104,
Can effectively prevent elastic sealing element 12 under the action of steam pressure deformation and be detached from annular groove.Movable part 14 is located at annular pressing plate
24 hollow region, so that the movement of movable part 14 will not be provided foot by the interference of annular pressing plate 24 for the movement of movable part 14
Enough spaces.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, power switch component 100 further include: peace
Foot 26 is filled, is arranged on the bottom wall of shell 10, shell 10 is mounted on inside cooking apparatus；And/or mounting ear 28, setting exist
On the side wall of shell 10, mounting ear 28 is equipped with the through-hole passed through for screw or bolt.
In this embodiment, power switch component 100 further includes installation foot 26, is arranged on the bottom wall of shell 10, is convenient for
Shell 10 is plugged in a certain position inside cooking apparatus by installation foot 26.Power switch component 100 further includes mounting ear
28, due to having the through-hole passed through for screw or bolt on mounting ear 28, and then mounting ear 28 can be passed through by screw or bolt
It extend into a certain structure in cooking apparatus, shell 10 is disposed thereon.Preferably, through-hole is threaded hole.
The second aspect embodiment of the utility model provides a kind of cooking apparatus, comprising: as any in above-described embodiment
The power switch component 100 of item.
Cooking apparatus provided by the utility model, due to having the power off switch component such as any one of above-described embodiment
100, and then the beneficial effect with any one of above-described embodiment, it will not repeat them here.Preferably, cooking apparatus is electric meal
Pot or electric pressure cooking saucepan.
In one embodiment of the utility model, it is preferable that as shown in Figures 2 to 4, cooking apparatus further include: power supply
Circuit is electrically connected with the heating system of power supply and cooking apparatus respectively, and contact-making switch 18 is serially connected between power supply and heating system,
Or control device, it is electrically connected respectively with contact-making switch 18 and heating system, control device is according to the on-off signal of contact-making switch 18
To control the working condition of heating system.
In this embodiment, contact-making switch 18 can be serially connected on the power supply circuit of cooking apparatus, such as is serially connected in power supply
Between heating system, as shown in Fig. 2, pushing movable part 14 to move under the action of elastic sealing element 12 is in steam pressure in turn
When moving, and driving conductive sheet 182 mobile, contact-making switch 18 is disconnected, and can directly cut off the power being electrically connected between heating system
It connects, stops as heating system power supply.Contact-making switch 18 can also be electrically connected with control device, as shown in figure 3, passing through control device
When detecting that contact-making switch 18 disconnects, control signal is issued to heating system, so that heating system stops heating, simplifies route
Connection.Specifically, control device can be PLC, and contact-making switch 18 is connected with the input terminal of PLC, and then PLC can be defeated according to itself
The low and high level variation etc. for entering end judges that contact-making switch 18 whether in device is disconnected, stops to control heating system in time
Heating.
In one embodiment of the utility model, it is preferable that contact-making switch 18 further include: normally opened relay and conduction
Piece group, normally opened relay are connected with conductive sheet set and electromagnet 20 respectively；When conductive sheet set disconnects, normally opened relay closure
So that electromagnet 20 is powered.
In this embodiment, contact-making switch 18 includes normally opened relay and conductive sheet set, and conductive sheet 182 is in conductive sheet set
A conductive sheet 182, by the way that normally opened relay is connected with conductive sheet set and electromagnet 20 respectively, conductive sheet set disconnect
When, it realizes the energization of electromagnet 20, enables electromagnet 20 to generate magnetic-adsorption conductive sheet 182 in time, so that it will not reset.
Specifically, it as shown in figure 4, conductive sheet set is the upper electrical switch of normally opened relay, including can be moved under the action of movable part 14
Conductive sheet 182, be connected to each other with conductive sheet 182 so that normally opened relay power on dock conductive sheet (serial number 1 in such as Fig. 4), with
And the public conductive sheet (serial number 2 in such as Fig. 4) on upper electrical circuit, electromagnet 20 simultaneously with conductive sheet 182 and dock conduction
Piece is connected in parallel, and when being cooked, conductive sheet 182, which is powered on docking conductive sheet closure for normally opened relay, makes its closure, is added
Hot systems are heated, 20 no power of electromagnet, when the conductive sheet 182 in conductive sheet set under the drive of movable part 14 it is mobile with
When docking conductive sheet mutually to separate, and being in contact with public conductive sheet, normally opened relay power-off is disconnected, and has cut off power supply and heating system
Connection between system, or over-voltage signal is transmitted for control device, so that control device control heating system stops heating, electromagnet
20 energization magnetisations, absorption conductive sheet 182 make normally opened relay remain powered off state, avoid going wrong and mistake inside cooking apparatus
After pressure, it is again started up heating system and security risk occurs.
In one embodiment of the utility model, it is preferable that as shown in Figure 5 and Figure 6, cooking apparatus further include: upper cover
30, inner cover 32 and cover board 34, inner cover 32 between upper cover 30 and cover board 34, power switch component 100 setting upper cover 30 with
In space between cover board 34, and steam channel 102 passes through cover board 34 and is connected with the cooking cavity of cooking apparatus.
In this embodiment, cooking apparatus includes upper cover 30, inner cover 32 and cover board 34, by by power switch component 100
It is arranged in the space between upper cover 30 and cover board 34, and cover board 34 is passed through by its steam channel 102 and is extend into cooking cavity,
On the one hand since steam channel 102 protrudes into cooking cavity, it can accurately understand the pressure condition in cooking cavity, avoid over-voltage, separately
On the one hand since power switch component 100 is arranged between upper cover 30 and cover board 34, it can effectively avoid its internal structure, such as lead
Electric contact etc. is interfered by steam and causes security risk.
In one embodiment of the utility model, it is preferable that as shown in fig. 6, cooking apparatus further include: heating plate 36,
It is arranged between inner cover 32 and cover board 34.
It in this embodiment, can be more comprehensive to cooking apparatus by the way that heating plate 36 is arranged in cooking apparatus
Food materials in cooking cavity are heated, and especially in insulating process, can not only be heated by the heating element below pot body
Heat preservation, the heating plate 36 being also may rely in cooking apparatus carry out heating and thermal insulation, improve the heat insulation effect of food materials in cooking cavity.
In one embodiment of the utility model, it is preferable that as shown in figure 5, power switch component 100 is arranged in inner cover
On 32.
In this embodiment, by by power switch component 100 be arranged on inner cover 32, due to inner cover 32 install stablize and
Temperature change is little, and then ensure that the stability of the power supply circuit of power switch component 100, avoid conductive contact because over-voltage it
Outer reason, such as the reasons such as be thermally deformed and disconnect, cause the heating device of cooking apparatus power off, and generate and judge by accident, it influences to use
Family uses.Certainly, when cooking apparatus includes heating plate 36, power switch component 100 also be can be set on inner cover 32.
In one embodiment of the utility model, it is preferable that as shown in fig. 6, the setting of power switch component 100 is being heated
On plate 36.
In this embodiment, when cooking apparatus has heating plate 36, by the way that the setting of power switch component 100 is being heated
On plate 36, it can shorten the length of steam channel 102 further close to the cooking cavity of cooking apparatus, improve pressure judgement
Accuracy, and then the accuracy of over-voltage protection is improved, and reduce production cost.
In one embodiment of the utility model, it is preferable that cooking apparatus further include: vapor seal, setting are being steamed
The junction in vapour channel 102 and cover board 34；And/or coaming plate, that surrounds steam channel 102 protrudes into one end of cooking cavity, and plugs
In the junction of steam channel 102 and cover board 34.
In this embodiment, cooking apparatus further includes vapor seal, is arranged between steam channel 102 and cover board 34
Junction can effectively avoid steam and enter inside cooking apparatus through the gap between steam channel 102 and cover board 34, influences to cook
Appliance internal structure influences the accuracy of pressure judgement.By the junction between steam channel 102 and cover board 34, packet is set
The coaming plate of the arrival end of steam channel 102 is enclosed, on the one hand facilitates in vapor collection and enters in steam channel 102, on the other hand pass through
Coaming plate is plugged in the junction of steam channel 102 Yu cover board 34, is conducive to the firm installation of steam channel 102.
In one embodiment of the utility model, as shown in Figure 5 and Figure 6, it is preferable that cooking apparatus further include: lock
Part, snap close piece include retainer 38 and the lug boss 40 that is arranged on retainer 38, offer arc chute 322 on inner cover 32, protrusion
Portion 40 passes through on arc chute 322 and can arcuately sliding slot 322 move, while lug boss 40 drives snap close piece to rotate together；Lock
Buckling parts 42 is provided with below fastener, buckling parts 42 is fastened in the pot tooth of the pot body of cooking apparatus, and snap close piece is in inner cover
Rotation on 32 is, it can be achieved that snap close piece and pot body rotary fastening and opening.
In this embodiment, snap close piece includes retainer 38 and the lug boss 40 that is arranged on retainer 38, is opened up on inner cover 32
There is arc chute 322, lug boss 40 passes through arc chute 322 and can arcuately sliding slot 322 move, while lug boss 40 drives lock
Fastener rotates together, can be by the way that in the top of inner cover 32 setting driving mechanisms control lug boss 40, arcuately sliding slot 322 moves reality
The rotation of existing snap close piece, simplifies the structure of snap close piece and inner cover 32, is rotated convenient for driving snap close piece, simplifies operating procedure,
Promote user experience.It is additionally provided with the buckling parts 42 being fastened below pot tooth on snap close piece, button can be realized by rotation lock fastener
It the locking of conjunction portion 42 and pot tooth and loosens, to control fastening and opening of the snap close piece relative to pot body, realizes cooking apparatus
Opening and closing lid function.Preferably, sealing ring is set with respect to the position of pot tooth on cover board 34, improves the leakproofness of cover assembly.
In the present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term
The terms such as " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection,
It can be and be detachably connected, or be integrally connected；" connected " can be directly connected, and can also pass through the indirect phase of intermediary
Even.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be
Concrete meaning.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (16)
1. a kind of power switch component, it to be used for cooking apparatus, which is characterized in that the power switch component includes:
Shell, is equipped with accommodation space, and the shell has the steam channel being connected with the cooking cavity of the cooking apparatus；
Elastic sealing element, is arranged in the outlet end of the steam channel, and the elastic sealing element can be in the steam channel internal pressure
Elastic deformation occurs under the action of power；
The side of the elastic sealing element is arranged in movable part, and under the promotion that flexible deformation occurs for the elastic sealing element
It is mobile；
Contact-making switch is electrically connected with the heating system of the cooking apparatus, in the contact-making switch a conductive sheet with it is described
Movable part mutually overlaps, and the mobile drive of the movable part conductive sheet is mobile so that the contact-making switch disconnects；
Electromagnet is arranged in shell, and is located on the moving direction of the conductive sheet, when the contact-making switch disconnects, institute
Electromagnet is stated to be powered and adsorb the conductive sheet so that the contact-making switch remains off.
2. power switch component according to claim 1, which is characterized in that
The outlet end of the steam channel is vertically extending, and the movable part moves up and down under the promotion of the elastic sealing element,
Drive the conductive sheet mobile；Or
The outlet end of the steam channel is laterally extended, movable part transverse shifting under the promotion of the elastic sealing element,
Drive the conductive sheet mobile.
3. power switch component according to claim 2, which is characterized in that
When the outlet end of the steam channel is vertically extending, the movable part includes: protrusion, and the movable part is arranged in
On outer wall, the conductive sheet is ridden upon on the protrusion.
4. power switch component according to claim 1, which is characterized in that the power switch component further include:
Limit spring, one end of the limit spring is abutted against with the movable part far from one end of the steam channel, described
Limit spring is in compressive state.
5. power switch component according to claim 4, which is characterized in that
The other end of the limit spring and the inner wall of the shell abut against；Or
The shell includes main part and installation lid, and the main part is equipped with threaded hole, the installation cover can spiral protrude into institute
It states in threaded hole, and the other end of the limit spring is set in the installation and covers and abut the installation lid.
6. power switch component according to claim 4, which is characterized in that
The movable part is equipped with holding tank, and the limit spring is arranged in the holding tank；Or
The movable part is equipped with limited post, and the limit spring is set on the limited post.
7. power switch component according to any one of claim 1 to 6, which is characterized in that
The inner wall of the shell is equipped with annular groove, and the elastic sealing element is in H-type, and the edge card of the elastic sealing element
It is located in the annular groove.
8. power switch component according to any one of claim 1 to 6, which is characterized in that the power switch component
Further include:
Annular pressing plate is arranged in the shell, and an end face of the annular pressing plate is equipped with annular presser feet, the annular presser feet
The edge of the elastic sealing element is ridden upon, the other end of the annular pressing plate offsets with the limit protrusion on the shell
It connects, and the movable part is located at the hollow region of the annular pressing plate.
9. power switch component according to any one of claim 1 to 6, which is characterized in that the power switch component
Further include:
Installation foot is arranged on the bottom wall of the shell, and the shell is mounted on inside the cooking apparatus；And/or
Mounting ear is arranged on the side wall of the shell, and the mounting ear is equipped with the through-hole passed through for screw or bolt.
10. a kind of cooking apparatus, which is characterized in that the cooking apparatus includes: as claimed in any one of claims 1-9 wherein
Power switch component.
11. cooking apparatus according to claim 10, which is characterized in that the cooking apparatus further include:
Power supply circuit is electrically connected with the heating system of power supply and the cooking apparatus respectively, and the contact-making switch is serially connected in described
Between power supply and the heating system, or
Control device is electrically connected with the contact-making switch and the heating system respectively, and the control device is according to the contact
Signal is switched on-off to control the working condition of the heating system.
12. cooking apparatus according to claim 11, which is characterized in that the contact-making switch further include:
Normally opened relay and conductive sheet set, the normally opened relay are connected with the conductive sheet set and the electromagnet respectively
It connects；When the conductive sheet set disconnects, the normally opened relay is closed so that the electromagnet is powered.
13. cooking apparatus according to claim 10, which is characterized in that the cooking apparatus further include:
Upper cover, inner cover and cover board, between the upper cover and the cover board, the power switch component setting exists the inner cover
In space between the upper cover and the cover board, and the steam channel passes through the culinary art of the cover board and the cooking apparatus
Chamber is connected.
14. cooking apparatus according to claim 13, which is characterized in that the cooking apparatus further include:
Heating plate is arranged between the inner cover and the cover board.
15. cooking apparatus according to claim 14, which is characterized in that
Power switch component setting interior is covered described；Or
The power switch component is arranged in the heating plate.
16. cooking apparatus described in 3 or 14 according to claim 1, which is characterized in that the cooking apparatus further include:
The junction of the steam channel Yu the cover board is arranged in vapor seal；And/or
Coaming plate, that surrounds the steam channel protrudes into one end of the cooking cavity, and is plugged in the steam channel and the lid
The junction of plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820843843.1U CN208876085U (en) | 2018-06-01 | 2018-06-01 | Power switch component and cooking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820843843.1U CN208876085U (en) | 2018-06-01 | 2018-06-01 | Power switch component and cooking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208876085U true CN208876085U (en) | 2019-05-21 |
Family
ID=66505220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820843843.1U Active CN208876085U (en) | 2018-06-01 | 2018-06-01 | Power switch component and cooking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208876085U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111821483A (en) * | 2020-08-11 | 2020-10-27 | 珠海格力电器股份有限公司 | Uncovering power-off structure and electric heating appliance |
| CN113140426A (en) * | 2021-04-13 | 2021-07-20 | 西安航天动力研究所 | Mechanical pressure switch capable of realizing high-precision rigidity compensation and compensation method thereof |
-
2018
- 2018-06-01 CN CN201820843843.1U patent/CN208876085U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111821483A (en) * | 2020-08-11 | 2020-10-27 | 珠海格力电器股份有限公司 | Uncovering power-off structure and electric heating appliance |
| CN113140426A (en) * | 2021-04-13 | 2021-07-20 | 西安航天动力研究所 | Mechanical pressure switch capable of realizing high-precision rigidity compensation and compensation method thereof |
| CN113140426B (en) * | 2021-04-13 | 2023-08-08 | 西安航天动力研究所 | Mechanical pressure switch capable of realizing high-precision rigidity compensation and compensation method thereof |
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