CN106813275B - Microwave interlocking control switch and microwave cooker - Google Patents

Microwave interlocking control switch and microwave cooker Download PDF

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Publication number
CN106813275B
CN106813275B CN201710169748.8A CN201710169748A CN106813275B CN 106813275 B CN106813275 B CN 106813275B CN 201710169748 A CN201710169748 A CN 201710169748A CN 106813275 B CN106813275 B CN 106813275B
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China
Prior art keywords
microwave
microswitch
push rod
door
switch
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CN106813275A (en
Inventor
尤艳
肖冰海
冷芬勇
梁少棠
陈兴强
丁泺火
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/66Circuits
    • H05B6/68Circuits for monitoring or control
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Ovens (AREA)

Abstract

The invention relates to a microwave interlocking control switch and a microwave cooker, and relates to the technical field of household kitchenware. The main technical scheme adopted is as follows: a microwave interlocking control switch comprises a first microswitch, a second microswitch and a control mechanism. The first microswitch is used for being connected with a power supply of the microwave cooker; the second microswitch is used for controlling the on or off of the microwave generating device on the microwave cooking appliance. When the door on the microwave cooker is opened from a closed state, the control mechanism controls the second microswitch and the first microswitch to be switched off in sequence; when the door on the microwave oven is switched from an open state to a closed state, the control mechanism controls the first microswitch and the second microswitch to be closed in sequence. A microwave cooking utensil includes above-mentioned microwave interlock control switch. The invention is mainly used for providing the microwave interlocking control switch which has a simple structure and a double protection function, so as to prevent microwave leakage when a microwave cooker opens and closes a door.

Description

Microwave interlocking control switch and microwave cooker
Technical Field
The invention relates to the technical field of household kitchen utensils, in particular to a microwave interlocking control switch and a microwave cooker.
Background
The microwave oven refers to a cooking oven that heats food using microwaves, such as a microwave oven, a microwave oven (an oven having a microwave function), and the like. The microwave oven has short cooking time, so that the damage to the nutrition of food is quite limited, and the vitamins and the natural flavor in the food can be well maintained. In addition, the microwave in the microwave oven can also sterilize and disinfect. However, when the microwave cookers are in operation, microwaves may leak if a user opens or closes the microwave cooker door. And a large amount of microwave leakage can cause harm to human bodies, thereby affecting the safety and health of users using microwave cookers.
In order to solve the above mentioned microwave leakage problem, the related art designs a microwave interlock control switch to automatically turn off the power supply of the microwave oven when the door of the microwave oven is opened, so as to prevent the microwave oven from leaking when the door is opened and closed.
However, the inventor of the present invention finds that the existing microwave interlock control switch has at least the following problems: (1) The existing microwave interlocking control switch only uses a microswitch to start and stop the microwave function, and has poor protection. And (2) the structure of the existing microwave interlocking control switch is complex.
Disclosure of Invention
In view of this, the present invention provides a microwave interlock control switch and a microwave oven, and mainly aims to provide a microwave interlock control switch with dual protection functions to prevent microwave leakage when the microwave oven opens and closes the door.
In order to achieve the purpose, the invention mainly provides the following technical scheme:
in one aspect, an embodiment of the present invention provides a microwave interlock control switch, which is used on a microwave oven, and includes:
the first microswitch is used for being connected with a power supply of the microwave cooker;
the second microswitch is used for controlling the on or off of a microwave generating device on the microwave cooker;
the control mechanism is used for controlling the first microswitch and the second microswitch according to the state of the upper door of the microwave cooker;
when a door on the microwave cooker is switched from a closed state to an open state, the control mechanism sequentially controls the second microswitch and the first microswitch to be switched off;
when the door on the microwave oven is switched from an open state to a closed state, the control mechanism controls the first microswitch and the second microswitch to be closed in sequence.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Preferably, the control mechanism controls the second microswitch to be closed only when a door on the microwave oven is in a fully closed state, so that the microwave oven generates microwaves.
Preferably, the microwave interlock control switch further comprises a switch base; wherein the content of the first and second substances,
the first microswitch, the second microswitch and the control mechanism are all arranged on the switch base.
Preferably, the control mechanism comprises:
the push rod is arranged on the switch seat and can move on the switch seat under the action of force;
one end of the spring is fixed with the push rod, and the other end of the spring is fixed on the switch seat;
when the door on the microwave cooker is in a closed state from an open state, the push rod can move towards a first direction compressing the spring under the action of the door of the microwave cooker and sequentially close the first microswitch and the second microswitch in the moving process;
when the door on the microwave cooker is opened from a closed state, the push rod can move in a direction opposite to the first direction under the action of the spring, and the second microswitch and the first microswitch are sequentially switched off in the moving process.
Preferably, the control mechanism further comprises a gate pin; wherein, the first and the second end of the pipe are connected with each other,
one end of the door pin is arranged on the microwave cooker door, and the other end of the door pin is used for contacting the push rod;
when the microwave oven door is opened to be closed, the door pin applies an acting force to the push rod along with the movement of the microwave oven door, so that the push rod moves towards the first direction for compressing the spring.
Preferably, the control mechanism further comprises a guide sleeve; wherein the content of the first and second substances,
the guide sleeve is arranged on the switch seat and used for guiding the door pin, so that the door pin penetrates through the guide sleeve to apply acting force to the push rod.
Preferably, the push rod has a first end and a second end which are oppositely arranged; wherein, the first and the second end of the pipe are connected with each other,
the first end of the push rod is used for contacting the door pin; the second end of the push rod is connected with the spring.
Preferably, the push rod comprises a first side part located between the first end and the second end and arranged towards the first microswitch and the second microswitch; wherein the content of the first and second substances,
the first side comprises a first part, a second part and a third part which are connected in sequence; wherein, the first and the second end of the pipe are connected with each other,
the first portion is located between the first end and the second portion and forms a protrusion relative to the second portion;
the second portion is located between the first and third portions and forms a protrusion relative to the third portion.
Preferably, when the push rod moves to a first position in the first direction, the second part of the push rod firstly touches the first microswitch, so that the first microswitch is closed; when the push rod continues to move to the second position, the first part of the push rod is in contact with the second microswitch, so that the second microswitch is closed;
when the push rod moves in a direction opposite to the first direction, the second microswitch is switched off when the first part of the push rod firstly moves away from the second microswitch; the push rod continues to move, the second part of the push rod is far away from the first microswitch, and the first microswitch is switched off.
Preferably, the first microswitch comprises:
the switch comprises a switch main body, wherein a contact is arranged on the switch main body;
a cam structure comprising a link and a cam; one end of the connecting rod is connected with the switch main body, and the other end of the connecting rod is connected with the cam;
wherein, in a free state of the first microswitch, the cam is not in contact with the contact; under the action of the control mechanism, a cam on the first microswitch contacts the contact to close the first microswitch;
the first microswitch and the second microswitch are consistent in structure.
Preferably, the control mechanism further comprises a switch cover, and the switch cover is buckled on the switch base.
In another aspect, an embodiment of the present invention provides a microwave oven, where the microwave oven includes any one of the microwave interlock control switches described above.
Preferably, the microwave hob is a microwave oven or a microwave oven.
Compared with the prior art, the microwave interlocking control switch and the microwave cooker have the following beneficial effects:
the microwave interlocking control switch provided by the embodiment of the invention is provided with a first microswitch for controlling a microwave cooker power supply and a second microswitch for controlling a microwave generating function, wherein the second microswitch and the first microswitch are sequentially switched off when a microwave cooker door is opened, and the first microswitch and the second microswitch are sequentially switched on when the microwave cooker door is closed; make microwave generating device's opening and closure by dual switch control (here, can think first micro-gap switch as master switch, second micro-gap switch is on master switch's basis, and further single-gate control microwave takes place the function), and then make the microwave interlock control switch that this embodiment provided have dual protection effect, can prevent the phenomenon that microwave cooking utensils from taking place the leaky wave well.
Further, according to the microwave interlock control switch provided by the embodiment of the invention, only when the door on the microwave oven is in a completely closed state, the control mechanism controls the second microswitch to be closed, so that the microwave oven generates microwaves. Through the arrangement, the control mechanism controls the second microswitch to be closed only when the door is in a completely closed state, so that the microwave cooker is thoroughly prevented from wave leakage.
Further, the microwave interlock control switch provided by the embodiment of the invention enables the push rod to move under the action of the microwave cooker door and the spring by setting the control mechanism into the push rod and the spring, and further enables the first micro switch and the second micro switch to be switched on or off in the moving process, so that corresponding control is realized. Therefore, the control mechanism in the embodiment is simple, so that the microwave interlock control switch in the embodiment realizes the function of starting and stopping the microwave with a simple structure.
Further, the microwave interlock control switch provided by the embodiment of the invention is provided with the door pin and the guide sleeve for guiding the door pin, so that the push rod can move correspondingly on the switch seat according to the movement of the microwave cooker door, and further correspondingly controls the first microswitch and the second microswitch.
Furthermore, according to the microwave interlock control switch provided by the embodiment of the invention, the first microswitch and the second microswitch are arranged into the switch main body and the cam structure, and the closing of the microswitch can be controlled only by touching the cam by the push rod in the moving process to enable the cam to be in contact with the contact on the switch main body structure; if the push rod does not touch the cam, the micro switch can be turned off. Therefore, the microwave interlock control switch provided by the embodiment of the invention has the advantages of simple structure and better safety.
On the other hand, the embodiment of the invention also provides a microwave cooker; the microwave cooker comprises any one of the microwave interlocking control switches. Therefore, the microwave cooker in the embodiment of the invention has the beneficial effects described in any one of the above ways. This is not repeated herein.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a microwave interlock control switch according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a switch cover of a microwave interlock control switch according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a microwave interlock control switch according to an embodiment of the present invention.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the predetermined object, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Example 1
The embodiment provides a microwave interlocking control switch which is mainly used on a microwave oven and can correspondingly open or close a microwave generating device according to the state of an upper door of the microwave oven when the microwave oven works. Specifically, as shown in fig. 1 and 3, the microwave interlock control switch of the present embodiment includes: a first microswitch 1, a second microswitch 2 and a control mechanism. The first microswitch 1 is used for being connected with a power supply of the microwave cooker (for example, controlling functions of illumination, a fan and the like on the microwave cooker). The second microswitch is used for controlling the on or off of the microwave generating device on the microwave cooking appliance. When a door on the microwave oven is switched from a closed state to an open state, the control mechanism sequentially controls the second microswitch 2 and the first microswitch 1 to be switched off (the switching-off refers to the condition of power failure); when the door on the microwave cooker is switched from an open state to a closed state, the control mechanism controls the first microswitch 1 and the second microswitch 2 to be closed in sequence (the closing refers to the condition of electrifying).
The microwave generating device in the embodiment refers to a device for generating or forming microwaves on a microwave cooker.
The microwave interlocking control switch provided by the embodiment is provided with a first microswitch 1 for controlling a power supply of a microwave cooker and a second microswitch 2 for controlling a microwave generating function, wherein the second microswitch 2 and the first microswitch 1 are sequentially switched off when a door of the microwave cooker is opened, and the first microswitch 1 and the second microswitch 2 are sequentially switched on when the door of the microwave cooker is closed; make microwave generating device's opening and closure by dual switch control (here, first micro-gap switch 1 is master switch, and second micro-gap switch 2 is on master switch's basis, further independent control microwave emergence function), and then make the microwave interlock control switch that this embodiment provided have dual protection effect, can prevent the phenomenon that microwave cooking utensils from taking place the leaky wave well.
Example 2
Preferably, the present embodiment provides a microwave interlock control switch, compared with embodiment 1, as shown in fig. 1 and 3, the control mechanism controls the second micro switch 2 to be closed only when the door on the microwave oven is in the fully closed state, so as to enable the microwave oven to generate microwaves.
The microwave interlocking control switch provided by the embodiment realizes that only the door is in a complete closing state through the arrangement, and the control mechanism controls the second microswitch 2 to be closed, so that the microwave cooker is thoroughly prevented from wave leakage.
In addition, for the control of the control mechanism on the first microswitch 1, the microwave oven door controls the first microswitch 1 to be closed under the condition of complete closing; or the first microswitch 1 is controlled to be closed under the incomplete closing state. However, when the microwave oven door is fully open, the control mechanism controls the first microswitch 1 to be switched off.
Example 3
Preferably, the present embodiment provides a microwave interlock control switch, compared with the above embodiments, as shown in fig. 1 and fig. 3, the microwave interlock control switch in the present embodiment includes a switch base 4. Wherein, the first microswitch 1, the second microswitch 2 and the control mechanism are all arranged on the switch base 4. Preferably, as shown in fig. 2, the control mechanism further includes a switch cover 5, and the switch cover 5 is buckled on the switch base 4.
Preferably, the control mechanism in this embodiment includes a push rod 31 and a spring 32. Wherein the push rod 31 is arranged on the switch base 4 and can move on the switch base 4 under the action of force. One end of the spring 32 is fixed to the push rod 31, and the other end is fixed to the switch base 4. When the door on the microwave oven is in a closed state from an open state, the push rod 31 moves towards the first direction of the compression spring 32 under the action of the door of the microwave oven, and the first microswitch 1 and the second microswitch 2 are sequentially closed in the moving process. When the door on the microwave oven is opened from a closed state, the push rod 31 can move in a direction opposite to the first direction under the action of the elastic force of the spring 32, and the second microswitch 2 and the first microswitch 1 are sequentially switched off in the moving process.
The microwave interlocking control switch provided by the embodiment enables the push rod 31 to move under the action of the microwave oven door and the spring 32 by setting the control mechanism into the push rod 31 and the spring 32, and further enables the first microswitch 1 and the second microswitch 2 to be switched off or switched on in the moving process, so that corresponding control is realized. Therefore, the control mechanism in the embodiment is simple, so that the microwave interlock control switch in the embodiment realizes the function of starting and stopping the microwave with a simple structure.
Example 4
Preferably, the present embodiment provides a microwave interlock control switch, and compared with the above embodiments, the control mechanism in the present embodiment further includes a door pin, wherein one end of the door pin is disposed on the microwave oven door, and the other end is used for contacting the push rod. When the microwave oven door is opened to be closed, the door pin applies an acting force to the push rod along with the movement of the microwave oven door, so that the push rod moves towards the first direction for compressing the spring.
Preferably, as shown in fig. 1 and 3, the control mechanism further comprises a guide sleeve 33; wherein, the guide sleeve 33 is arranged on the switch base 4 and used for guiding the door bolt, so that the door bolt 33 passes through the guide sleeve to apply acting force to the push rod 31.
The microwave interlocking control switch that this embodiment provided through setting up the door pin and being used for playing the uide bushing of guide effect to the door pin to make the push rod can be according to the motion of microwave cooking utensils door and do corresponding removal on the switch seat, and then carry out corresponding control to first micro-gap switch, second micro-gap switch.
Example 5
Preferably, the present embodiment provides a microwave interlock control switch, and compared with the above embodiments, the present embodiment mainly describes the structure of the push rod in the control mechanism as follows.
As shown in fig. 1 and 3, the push rod 31 in the present embodiment has a first end and a second end that are oppositely disposed. Wherein a first end of the push rod 31 is used to contact the door pin. The second end of the push rod 31 is connected to a spring 32.
Further, as shown in fig. 1 and 3, the push rod 31 includes a first side portion located between the first end and the second end and disposed toward the first microswitch 1 and the second microswitch 2; the first side portion includes a first portion 313, a second portion 312, and a third portion 311 connected in sequence. Wherein the first portion 313 is located between the first end and said second portion 312 and forms a protrusion with respect to the second portion 312. The second portion 312 is located between the first portion 313 and the third portion 311, and forms a convex portion with respect to the third portion 311.
Specifically, as shown in fig. 1 and 3, the push rod 31 is engaged with the first and second micro switches 1 and 2 as follows: when the push rod 31 moves to the first position in the first direction, the second portion 312 of the push rod 31 first touches the first microswitch 1, so that the first microswitch 1 is closed; when the push rod 31 continues to move to the second position, the first portion 313 of the push rod 31 contacts the second microswitch 2, so that the second microswitch 2 is closed. When the push rod 31 moves in the direction opposite to the first direction, the second microswitch 2 is turned off when the first portion 313 of the push rod 31 first moves away from the second microswitch 2; the push rod 31 continues to move, the second part 312 of the push rod 31 moves away from the first microswitch 1, and the first microswitch 1 is turned off.
Preferably, the length of the first portion 313 of the push rod 31 along the first direction is a set length; wherein, the set length must satisfy only when the door on the microwave oven is in the complete closure state, the control mechanism just controls the second microswitch 2 to close.
Preferably, there are transition ramp segments between the first portion 313 and the second portion 312, and between the second portion 312 and the third portion 311.
Example 6
Preferably, the present embodiment provides a microwave interlock control switch, and compared with the above embodiments, the present embodiment mainly details the specific structures of the first micro switch and the second micro switch as follows:
as shown in fig. 1 and 3, the first microswitch 1 comprises a switch main body and a cam structure. Wherein the switch body is provided with contacts 12. The cam structure comprises a connecting rod and a cam 11; wherein, one end of the connecting rod is connected with the switch main body, and the other end is connected with the cam 11. Wherein, when the first microswitch 1 is in a free state, the cam 11 is not contacted with the contact 12; under the action of the control mechanism, the cam 11 on the first microswitch 1 will contact the contact 12 to close the first microswitch 1. The first microswitch 1 and the second microswitch 2 have the same structure. Specifically, the second microswitch 2 comprises a switch main body, a contact 22 provided on the switch main body, and a cam 21.
According to the microwave interlocking control switch provided by the embodiment, the first microswitch and the second microswitch are arranged into the structure, and the micro switch can be controlled to be closed only by touching the cam by the push rod in the moving process to enable the cam to be in contact with the contact on the switch main body structure; if the push rod does not touch the cam, the micro switch can be turned off. Therefore, the microwave interlock control switch provided by the embodiment has a simple structure and is good in safety.
As shown in fig. 1 and 3, when the control mechanism includes the push rod structure according to embodiment 5, during the movement of the push rod 31, when the second portion 312 on the push rod 31 contacts the cam on the first microswitch 1, the cam on the first microswitch 1 contacts the contact point under the action of the second portion 312, so that the first microswitch 1 is closed. When the first part on the push rod 31 contacts with the cam on the second microswitch 2, the cam on the second microswitch 2 contacts with the contact point under the action of the first part 313, so that the second microswitch 2 is closed. When the push rod 31 moves in the opposite direction, the second microswitch 2 is switched off when the first portion 313 on the push rod does not touch the cam on the second microswitch 2. When the second portion 312 of the push rod 31 does not touch the cam of the first microswitch 1, the first microswitch 1 is turned off.
Example 7
On the other hand, the present embodiment provides a microwave oven, wherein the microwave oven of the present embodiment is characterized by comprising any one of the microwave interlock control switches described above. Preferably, the microwave oven in the present embodiment is a microwave oven or a microwave oven.
When the microwave oven in the embodiment works, firstly, when a door on the microwave oven is in a closed state from an open state, as shown in fig. 1 and fig. 3, a door pin arranged on the door of the microwave oven can push a push rod 31 to move along a switch seat 4 to a first direction along with the movement of the door, a spring 32 is compressed, and in the moving process, the door pin moves to a first position firstly, touches a cam 11 of a first microswitch 1 to close the first microswitch 1, at the moment, a power supply of the microwave oven is opened, a fan, an illuminating lamp and the like on the microwave oven are started, but the door on the microwave oven is not closed completely; the push rod 31 continues to move to the second position, touches the cam 21 of the second microswitch 2, pushes the cam to the limit position, closes the second microswitch, at the moment, the microwave oven door is completely closed, and the microwave function is started. Secondly, when the door on the microwave oven is opened from the closed state, along with the movement of the door on the microwave oven, the door is pulled out outwards, the pressure of the push rod 31 on the spring 32 is slowly reduced, the push rod 31 is guided to move in the direction opposite to the first direction, the push rod moves to the second position first, the cam 21 of the second microswitch 2 is made to break contact with the push rod first, at the moment, the microwave oven closes the microwave function immediately (at the moment, the microwave oven door is not opened), then the push rod 31 continues to move to the first position, the cam 11 of the first microswitch 1 breaks contact with the push rod, at the moment, the fan, the illuminating lamp and the like on the microwave oven stop working.
In summary, the microwave interlock control switch and the microwave oven provided by the embodiment of the invention are provided with the first microswitch for controlling the power supply of the microwave oven and the second microswitch for controlling the microwave generation function, and when the microwave oven door is opened, the second microswitch and the first microswitch are sequentially turned off, and when the microwave oven door is closed, the first microswitch and the second microswitch are sequentially turned on; make microwave generating device's opening and closure by dual switch control, and then make the microwave interlock control switch that this embodiment provided have dual protection effect to, prevent the phenomenon that microwave cooking utensils emergence leakage wave well with simple structure.
In summary, it is readily understood by those skilled in the art that the advantageous modes described above can be freely combined and superimposed without conflict.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are still within the scope of the technical solution of the present invention.

Claims (13)

1. The utility model provides a microwave interlock control switch, is used in on the microwave cooking utensils, its characterized in that, microwave interlock control switch includes:
the first microswitch is used for being connected with a power supply of the microwave cooker;
the second microswitch is used for controlling the on/off of a microwave generating device on the microwave cooker;
the control mechanism is used for controlling the first microswitch and the second microswitch according to the state of the upper door of the microwave cooker;
when a door on the microwave cooker is switched from a closed state to an open state, the control mechanism sequentially controls the second microswitch and the first microswitch to be switched off;
when the door on the microwave oven is switched from an open state to a closed state, the control mechanism controls the first microswitch and the second microswitch to be closed in sequence.
2. The microwave interlock control switch according to claim 1, wherein the control mechanism controls the second microswitch to close only when a door on the microwave range is in a fully closed state, so that the microwave range generates microwaves.
3. The microwave interlock control switch according to claim 1 or 2, characterized in that, the microwave interlock control switch further comprises a switch base; wherein the content of the first and second substances,
the first microswitch, the second microswitch and the control mechanism are all arranged on the switch base.
4. The microwave interlock control switch according to claim 3, wherein the control mechanism comprises:
the push rod is arranged on the switch seat and can move on the switch seat under the action of force;
one end of the spring is fixed with the push rod, and the other end of the spring is fixed on the switch seat;
when the door on the microwave cooker is in a closed state from an open state, the push rod can move towards a first direction compressing the spring under the action of the door of the microwave cooker and sequentially close the first microswitch and the second microswitch in the moving process;
when the door on the microwave oven is opened from a closed state, the push rod can move in a direction opposite to the first direction under the action of the spring, and the second microswitch and the first microswitch are sequentially switched off in the moving process.
5. The microwave interlock control switch of claim 4, wherein the control mechanism further comprises a gate pin; wherein the content of the first and second substances,
one end of the door pin is arranged on the microwave oven door, and the other end of the door pin is used for contacting the push rod;
when the microwave oven door is opened to be closed, the door pin applies an acting force to the push rod along with the movement of the microwave oven door, so that the push rod moves towards the first direction for compressing the spring.
6. The microwave interlock control switch according to claim 5, wherein the control mechanism further comprises a guide sleeve; wherein the content of the first and second substances,
the guide sleeve is arranged on the switch seat and used for guiding the door pin, so that the door pin penetrates through the guide sleeve to apply acting force to the push rod.
7. The microwave interlock control switch according to claim 5, wherein the push rod has a first end and a second end that are oppositely disposed; wherein the content of the first and second substances,
the first end of the push rod is used for contacting the door pin; the second end of the push rod is connected with the spring.
8. The microwave interlock control switch according to claim 7, wherein the push rod includes a first side portion located between the first end and the second end and disposed toward the first micro switch and the second micro switch; wherein the content of the first and second substances,
the first side comprises a first part, a second part and a third part which are connected in sequence; wherein the content of the first and second substances,
the first portion is located between the first end and the second portion and forms a protrusion relative to the second portion;
the second portion is located between the first portion and the third portion and forms a protrusion relative to the third portion.
9. The microwave interlock control switch according to claim 8,
when the push rod moves to a first position in the first direction, the second part of the push rod firstly touches the first microswitch, so that the first microswitch is closed; when the push rod continues to move to the second position, the first part of the push rod is in contact with the second microswitch, so that the second microswitch is closed;
when the push rod moves towards the direction opposite to the first direction, the first part of the push rod firstly moves away from the second microswitch, and the second microswitch is switched off; the push rod continues to move, the second part of the push rod is far away from the first microswitch, and the first microswitch is switched off.
10. A microwave interlock control switch according to claim 1 or 2, wherein the first microswitch comprises:
the switch comprises a switch main body, wherein a contact is arranged on the switch main body;
a cam structure comprising a link and a cam; one end of the connecting rod is connected with the switch main body, and the other end of the connecting rod is connected with the cam;
wherein the cam does not contact the contact when the first microswitch is in a free state; under the action of the control mechanism, a cam on the first microswitch contacts the contact to close the first microswitch;
the first microswitch and the second microswitch are consistent in structure.
11. The microwave interlock control switch according to claim 3, wherein the control mechanism further comprises a switch cover, and the switch cover is snapped on the switch base.
12. A microwave hob characterized in that it comprises a microwave interlock control switch according to any one of the preceding claims 1-11.
13. Microwave hob according to claim 12, characterized in, that the microwave hob is a microwave oven or a microwave oven.
CN201710169748.8A 2017-03-21 2017-03-21 Microwave interlocking control switch and microwave cooker Active CN106813275B (en)

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JP2000111059A (en) * 1998-04-01 2000-04-18 Matsushita Electric Ind Co Ltd Control circuit for cooking appliance
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