CN109357292B

CN109357292B - Cooking apparatus

Info

Publication number: CN109357292B
Application number: CN201811060786.0A
Authority: CN
Inventors: 郭兴川
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2018-09-12
Filing date: 2018-09-12
Publication date: 2020-11-03
Anticipated expiration: 2038-09-12
Also published as: CN109357292A

Abstract

The invention discloses cooking equipment, which comprises a box body, a door body assembly, a cooking module and a control module, wherein a cooking cavity is arranged in the box body, the door body assembly is used for opening and closing the cooking cavity, the cooking module is used for heating the cooking cavity, and the control module comprises: a first switching member and a second switching member. The first switch piece is closed when the door body assembly closes the cooking cavity and is disconnected when the door body assembly opens the cooking cavity; the second switch piece is disconnected when the door body assembly closes the cooking cavity and is closed when the door body assembly opens the cooking cavity; the cooking module is powered on when the first switch piece is closed and the second switch piece is opened, and the cooking module is powered off when the first switch piece is opened or the second switch piece is closed. According to the cooking device provided by the embodiment of the invention, the stability and the safety of the cooking device are improved, and the energy is saved.

Description

Cooking apparatus

Technical Field

The invention relates to the technical field of cooking, in particular to cooking equipment.

Background

The primary switch element and the secondary switch element on the microwave oven are indispensable protection devices, and the safety problem caused by microwave work in a door opening state is effectively prevented. In the related art microwave oven, when the door assembly is opened, the accidental short circuit of the primary and secondary switch members may cause the microwave oven to continue to operate, thereby causing a safety problem.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, an object of the present invention is to propose a cooking apparatus that improves the stability and safety of the cooking apparatus and saves energy.

According to the embodiment of the invention, the cooking equipment comprises a box body, a door body assembly, a cooking module and a control module, wherein a cooking cavity is arranged in the box body, the door body assembly is used for opening and closing the cooking cavity, the cooking module is used for heating the cooking cavity, and the control module comprises: a first switching member and a second switching member. The first switch piece is closed when the door body assembly closes the cooking cavity and is opened when the door body assembly opens the cooking cavity; the second opening and closing piece is opened when the door body assembly closes the cooking cavity and is closed when the door body assembly opens the cooking cavity; wherein the cooking module is powered on when the first switch is closed and the second switch is open, and the cooking module is powered off when the first switch is open or the second switch is closed.

According to the cooking device provided by the embodiment of the invention, the stability and the safety of the cooking device are improved, and the energy is saved.

In addition, the cooking device according to the above embodiment of the present invention may further have the following additional technical features:

in some embodiments, the control module further comprises: a control member respectively connected to the first switch member, the second switch member and the cooking module, and the control member energizes the cooking module when the first switch member is closed and the second switch member is open, and de-energizes the cooking module when the first switch member is open or the second switch member is closed.

In some embodiments, the first switch member is a normally open switch, the second switch member is a normally closed switch, the control module further includes a first trigger member corresponding to the first switch member and a second trigger member corresponding to the second switch member, wherein the first switch member is disposed on one of the box body and the door assembly, the first trigger member is disposed on the other of the box body and the door assembly, and the first trigger member triggers the first switch member to a closed state when the door assembly closes the cooking cavity; the second switch piece is arranged on one of the box body and the door body assembly, the second trigger piece is arranged on the other one of the box body and the door body assembly, and the second trigger piece triggers the second switch piece to be in a disconnected state when the door body assembly closes the cooking cavity.

In some embodiments, the first switch element and the second switch element are both magnetic induction switch elements, and the first trigger element and the second trigger element are both magnetic elements.

In some embodiments, the first switch member and the second switch member are both disposed inside the box body, and the first trigger member and the second trigger member are both disposed inside the door body assembly.

In some embodiments, the first trigger and the second trigger are the same element; or the first trigger piece and the second trigger piece are mutually independent elements.

In some embodiments, the control module further comprises: a first relay in series with the cooking module, the first relay being closed when the first switch is closed and open when the first switch is open.

In some embodiments, the control module further comprises: a second relay in series with the cooking module, the second relay being open when the second switch is closed and closed when the second switch is open.

In some embodiments, the first relay and the second relay are respectively connected in series to two poles of the cooking module.

In some embodiments, the door body assembly comprises: lid, reset piece and door handle. The cover body is rotatably connected with the box body to open and close the cooking cavity; the reset piece is connected with the box body and the cover body and is always in a state of driving the cover body to open the cooking cavity; the door handle is movably connected to one of the cover and the cabinet between a first state in which the door handle locks the cover in a position to close the cooking cavity and a second state in which the door handle releases the cover to allow the cover to open the cooking cavity.

In some embodiments, the door handle is provided with a structure for triggering the first switch member and the second switch member, the first switch member is closed and the second switch member is open when the door handle is in the first state, and the first switch member is open and the second switch member is closed when the door handle is in the second state.

In some embodiments, a support pillar is provided on the door handle, and the structure for triggering the first switch member and the second switch member is supported at an end of the support pillar.

Drawings

Fig. 1 is a control system diagram of a cooking apparatus according to an embodiment of the present invention.

Fig. 2 is a partial structural view of a cooking apparatus according to an embodiment of the present invention.

Fig. 3 is a schematic view of a cooking apparatus according to an embodiment of the present invention.

Fig. 4 is a schematic view of a cooking apparatus according to another embodiment of the present invention.

Reference numerals:

the cooking apparatus 100 is provided with a cooking device,

the box body 1 is provided with a plurality of grooves,

the door body assembly 2, the cover body 21, the reset piece 22, the door handle 23,

the cooking module 3, the first relay 31, the second relay 32,

the control module 4, the first switch member 41, the second switch member 42, the control member 43, the first trigger member 44 and the second trigger member 45.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

Referring to fig. 1 to 4, according to a cooking apparatus 100 of an embodiment of the present invention, the cooking apparatus 100 includes a cabinet 1, a door assembly 2, a cooking module 3, and a control module 4, wherein the cabinet 1 has a cooking cavity therein, and the door assembly 2 is used for opening and closing the cooking cavity. When the door body assembly 2 opens the cooking cavity, the door body assembly 2 can be completely separated from the box body 1, or the door body assembly 2 can be rotatably or slidably mounted on the box body 1. The cooking module 3 is used to heat the cooking cavity, and in fact the cooking module 3 is used to heat the contents of the cooking cavity.

The cooking apparatus 100 of the present invention may be a microwave oven, an electric cooker, a frying and baking machine, etc., and is particularly suitable for a microwave cooking device.

The control module 4 includes: a first switch member 41 and a second switch member 42. The first opening and closing member 41 is closed when the door assembly 2 closes the cooking chamber, and the first opening and closing member 41 is opened when the door assembly 2 opens the cooking chamber. The second opening and closing member 42 is opened when the door assembly 2 closes the cooking chamber and is closed when the door assembly 2 opens the cooking chamber. Wherein the cooking module 3 is energized when the first switching member 41 is closed and the second switching member 42 is open; the cooking module 3 is de-energized when the first switching member 41 is opened or the second switching member 42 is closed. In other words, the cooking module 3 is operated and heats the cooking cavity when both conditions of the first switching member 41 being closed and the second switching member 42 being open are satisfied, and the cooking module 3 is stopped when either one of the conditions of the first switching member 41 being open and the second switching member 42 being closed is satisfied. In other words, when the first switch is turned off, the cooking module 3 stops operating; when the second switch is closed, the cooking module 3 stops running; when the first switch is closed and the second switch is open, the cooking module 3 is operated.

When door body group spare 2 is opened, the culinary art chamber was opened this moment, heats the effect not good this moment, especially when adopting microwave heating, if after door body group spare 2 is opened, continue to carry out microwave heating, can cause the microwave to reveal. Therefore, when the door assembly 2 is opened, the cooking module 3 is ensured to be in a closed state, and the stability and the safety of the cooking apparatus 100 can be better improved.

According to the cooking apparatus 100 of the embodiment of the invention, since the first switch member 41 and the second switch member 42 are commonly controlled, the cooking module 3 can be ensured to be smoothly closed after the door body assembly 2 is opened, and when the cooking module 3 is required to operate, the first switch member 41 and the second switch member 42 are respectively in different states, so that the cooking apparatus 100 in the application operates more stably.

The solution of the present invention is compared with the first switch element 41 and the second switch element 42 being normally open switch elements. In the comparative example (the first switch member 41 and the second switch member 42 are normally open switch members), when the door body assembly 2 is closed, the first switch member 41 and the second switch member 42 are both in a closed state, at this time, if the door body assembly 2 is opened, it is necessary that any one of the first switch member 41 and the second switch member 42 is in an open state, so as to disconnect the cooking module 3, but if the first switch member 41 and the second switch member 42 are both short-circuited, there is a risk that the cooking module 3 continues to operate after the door body assembly 2 is opened, and particularly, when microwave heating is performed, microwave leakage may be caused.

In the present application, when the door assembly 2 is closed, the first switch member 41 and the second switch member 42 are in different states, so that even if the first switch member 41 and the second switch member 42 are both in a short circuit state, the cooking module 3 is guaranteed to stop operating.

In addition, in the technical field of cooking, the short circuit of the switch is more common than the short circuit of the switch all the time due to humidity, water and the like, and therefore, the influence of the short circuit on cooking is emphasized.

It should be noted that the cooking apparatus 100 of the present invention may include a plurality of types of cooking modules 3 at the same time. The cooking module 3 referred to in the present invention may be all the cooking modules 3 in the cooking apparatus 100, or may be a part of the cooking modules 3 in the cooking apparatus 100.

For example, the cooking apparatus 100 includes a heating tube and a magnetron, and the control module 4 of the present invention may be used to control the operation of the magnetron, the control module 4 of the present invention may be used to control the operation of the heating tube, and the control module 4 of the present invention may be used to control the operation of the heating tube and the operation of the magnetron.

Specifically, the cooking apparatus 100 includes both a heat generating tube and a magnetron, and the control module 4 of the present invention controls only the operation of the magnetron.

The magnetron is energized when the first switching member 41 is closed and the second switching member 42 is opened, and the magnetron is de-energized when the first switching member 41 is opened or the second switching member 42 is closed. The heating tube is controlled by other switch components. That is, the heating tube and the magnetron are controlled independently of each other. During cooking, the heating tube is not controlled by the control module 4 of the present invention, and for example, the heating tube may be set to continue heating after the door assembly 2 is opened.

Of course, the cooking module 3 of the present invention may be any one or more of a heating tube, a magnetron, a halogen heating tube, etc., and the above description of the cooking module 3 and the control module 4 is only a specific description and is not intended to limit the scope of the present invention.

Referring to fig. 1, in a cooking apparatus 100 according to an embodiment of the present invention, the control module 4 further includes: the control member 43 and the control member 43 are respectively connected with the first switch member 41, the second switch member 42 and the cooking module 3, the control member 43 enables the cooking module 3 to be powered on when the first switch member 41 is closed and the second switch member 42 is opened, and the control member 43 enables the cooking module 3 to be powered off when the first switch member 41 is opened or the second switch member 42 is closed.

The control part 43 may be a controller of different types, such as a single chip, a PCB, a PLC, a central processing unit, and the like. The controller may receive the states of the first and

second switch members

41 and 42 to determine the operation condition of the cooking module 3, for example, the controller receives a signal that the first switch member 41 is closed when the first switch member 41 is closed, and receives a signal that the first switch member 41 is open when the first switch member 41 is open (the high and low levels may be used to determine the states of the switch members). The determination of the open/close state of the second switch member 42 can also refer to the foregoing description.

It should be noted that the operating state of the cooking module 3 can be determined by the controller according to the open/close states of the first switch 41 and the second switch 42, and the operating state of the cooking module 3 can also be controlled by other manners, for example, by a series-parallel manner, where the first switch is connected in series with the control switch of the cooking module 3, and the second switch is connected in parallel with the control switch of the cooking module 3.

In some embodiments of the present invention, the first switch element 41 is a normally open switch, and the second switch element 42 is a normally closed switch, wherein the normally closed switch refers to: the switch piece is in a closed state without external force, and when a person toggles a button of the switch piece or the switch piece is controlled by an automatic device to toggle, the switch piece is converted into an open circuit; the normally open switch is as follows: the switch piece is in an open circuit state under the condition of no external force action, and when a person toggles a button of the switch piece or the switch piece is controlled by an automatic device to toggle, the switch piece is switched to be closed.

The control module 4 further comprises a first triggering member 44 corresponding to the first switching member 41 and a second triggering member 45 corresponding to the second switching member 42. That is, the first switch member 41 can be triggered to switch to closed by the first trigger member 44, and the second switch member 42 can be triggered to switch to open by the second trigger member 45.

The first switch 41 is disposed on one of the box body 1 and the door assembly 2, the first trigger 44 is disposed on the other of the box body 1 and the door assembly 2, and the first trigger 44 triggers the first switch 41 to a closed state when the door assembly 2 closes the cooking cavity.

Specifically, the first opening and closing member 41 is disposed on the box body 1, and the first trigger member 44 is disposed on the door assembly 2; alternatively, the first opening/closing member 41 is provided on the door assembly 2, and the first trigger 44 is provided on the case 1. Preferably, the first opening and closing member 41 may be provided on the case 1 in order to facilitate integration of the case 1.

The second switch 42 is disposed on one of the cabinet 1 and the door assembly 2, the second trigger 45 is disposed on the other of the cabinet 1 and the door assembly 2, and the second trigger 45 triggers the second switch 42 to an off state when the door assembly 2 closes the cooking cavity.

Specifically, the second switch 42 is disposed on the box body 1, and the second trigger 45 is disposed on the door body assembly 2; alternatively, the second opening/closing member 42 is provided on the door assembly 2, and the second trigger member 45 is provided on the box body 1. Preferably, the second switch member 42 may be provided on the case 1 in order to facilitate integration of the case 1.

In addition, both the first opening/closing member 41 and the second opening/closing member 42 may be provided on the case 1; or, the first opening and closing piece 41 and the second opening and closing piece 42 are both arranged on the door body assembly 2; or, the first switch 41 is arranged on the box body 1, and the second switch 42 is arranged on the door body assembly 2; alternatively, the first opening/closing member 41 is provided on the door assembly 2, and the second opening/closing member 42 is provided on the box body 1.

Preferably, at least one of the first and

second switching members

41 and 42 in the present invention may be provided as an inductive switching member. Correspondingly, the triggering element can be configured as an inductive triggering element.

For example, the first switch member 41 and the second switch member 42 are both magnetic induction switch members, and the first trigger member 44 and the second trigger member 45 are both magnetic members (magnets, permanent magnets, etc.).

Preferably, the first and second opening and

closing members

41 and 42 are provided inside the cabinet 1. That is, the first switch member 41 and the second switch member 42 are hidden inside the case 1, thereby effectively protecting the first switch member 41 and the second switch member 42, and moreover, holes are prevented from being formed in the case 1, so that the entire structure of the case 1 is stable and the safety is high.

The first trigger piece 44 and the second trigger piece 45 are both arranged inside the door body assembly 2. That is to say, first trigger 44 and second trigger 45 hide the inside with door body group spare 2 to protect first trigger 44 and second trigger 45 effectively, moreover, avoided trompil on door body group spare 2, make the stable and high security of overall structure of box 1.

Of course, the first opening/closing member 41 and the second opening/closing member 42 may be exposed through a hole in the case 1, or the first opening/closing member 41 and the second opening/closing member 42 may be provided on the outer surface of the case 1. The first trigger 44 and the second trigger 45 may be exposed by forming a hole in the door body assembly 2, or the first trigger 44 and the second trigger 45 may be provided on the outer surface of the door body assembly 2.

Further, the first and second triggering members 44 and 45 are the same element. That is, the first trigger 44 and the second trigger 45 are integrated. Thereby facilitating the complete integration of the cooking apparatus 100.

Of course, the first and second triggering parts 44, 45 may not be integrated, in other words, the first and second triggering parts 44, 45 are provided as separate elements.

In addition, from the whole control system, the control module 4 may further include: a first relay 31, the first relay 31 being in series with the cooking module 3, the first relay 31 being closed when the first switch 41 is closed and open when the first switch 41 is open.

The control module 4 may further include: a second relay 32, the second relay 32 being in series with the cooking module 3, the second relay 32 being open when the second switch 42 is closed and closed when the second switch 42 is open.

Preferably, the first relay 31 and the second relay 32 are respectively connected in series to both poles of the cooking module 3.

Referring to fig. 1, the cooking module 3 has a positive electrode and a negative electrode, the positive electrode and the negative electrode of the cooking module 3 are respectively used for connecting a power supply module, the positive electrode of the cooking module 3 is connected with a first relay 31, the negative electrode of the cooking module 3 is connected with a second relay 32, and the cooking module 3 is powered only when the first relay 31 and the second relay 32 are both closed.

The first relay 31 and the second relay 32 are controlled by the control module 4, when the control module 4 detects that the first switch part 41 is closed and the second switch part 42 is opened, the first relay 31 and the second relay 32 are switched on, and the cooking module 3 is powered on; when the control module 4 detects that the first switch 41 is opened or the second switch 42 is closed, at least one of the first relay 31 and the second relay 32 is opened, and the cooking module 3 is powered off.

Referring to fig. 3 and 4, in some embodiments of the present invention, the door body assembly 2 includes: a cover body 21, a reset piece 22 and a door handle 23,

wherein the cover body 21 is rotatably connected to the cabinet 1 to open and close the cooking cavity; the reset piece 22 is connected with the box body 1 and the cover body 21, and the reset piece 22 is always in a state of driving the cover body 21 to open the cooking cavity; the door handle 23 is movably connected to one of the cover 21 and the cabinet 1 between a first state and a second state, and the door handle 23 locks the cover 21 in a position to close the cooking chamber in the first state and releases the cover 21 to allow the cover 21 to open the cooking chamber in the second state.

That is, when the cover 21 closes the cooking cavity, the door handle 23 will lock the cover 21 in the first state, so that the cover 21 can be maintained in a state of closing the cooking cavity; when it is desired to open the cooking chamber, the door handle 23 may be switched to the second state, releasing the cover 21, so that the cover 21 may be released, and the cover 21 opens the cooking chamber under the reset action of the reset member 22.

Therefore, the cover 21 does not automatically (e.g. under the action of gravity) close the cooking cavity, and only by driving the cover 21 to close the cooking cavity by external driving (e.g. manual), the cover 21 is forced to close, so as to avoid the object from being clamped between the cover 21 and the box 1. For example, when the cooking chamber needs to be closed, the cover 21 is driven to close the cooking chamber only under the control of external force, and at this time, there is more chance to prompt the operator to notice the state of the cabinet 1, and especially when the operator puts his hand in the opening of the cabinet 1, the operator can timely find and stop the hand.

And need open the culinary art cavity at needs, only need drive the door handle can, simple and convenient.

In addition, the cooking cavity of the present invention may be in a form of opening the top, that is, the cover 21 is disposed on the top of the box 1 to open and close the cooking cavity, so the reset member 22 may balance the gravity of the cover 21, thereby the door closing action is convenient and fast.

Further, the door handle 23 is provided with a structure for triggering the first switch member 41 and the second switch member 42, the first switch member 41 is closed and the second switch member 42 is opened when the door handle 23 is in the first state, and the first switch member 41 is opened and the second switch member 42 is closed when the door handle 23 is in the second state.

In conjunction with the foregoing embodiment, the first and second triggering members 44 and 45 are provided on the door handle 23, and the first and second opening/

closing members

41 and 42 are provided on the case 1.

In addition, as shown in fig. 2, the door handle 23 is provided with a support column, and a structure for actuating the first and second opening and

closing members

41 and 42 is supported at an end of the support column. Support through the support column, can improve stability and security.

Of course, the first and second triggering members 44 and 45 may be disposed on the cover 21.

In addition, it should be noted that the first switch member 41 and the second switch member 42 in the present invention may be in other forms, for example, the first switch member 41 and the second switch member 42 are micro switches, and the micro switches are triggered by a trigger member; the first switch may include two spaced contacts, and when the door assembly 2 closes the cooking cavity, the conductive structure on the door assembly 2 connects the two contacts; the second switch may also include two contacts and a conductive structure for connecting the two contacts, and when the door assembly 2 closes the cooking chamber, the structure on the door assembly 2 pushes away the conductive structure to turn off the second switch.

A cooking apparatus 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings, and reference is made to a cooking device in the related art.

In the related art, the side pull type shutter door system is most commonly used. The door body assembly 2 can rotate around the rotating shaft, so that the door body assembly is separated from the door surface and attached to the door surface, and a door opening and closing part is realized. The door body assembly 2 is provided with a door hook, when the door is closed, the door hook penetrates through the through hole, the blocking piece is pushed to rotate around the rotating shaft, the blocking piece is in contact with the switch contact after rotating, and the switch contact is pressed down. When the door is opened, the blocking piece is restored to the original position under the action of the spring force, and the blocking piece is separated from the contact of the switch piece. Both the primary and secondary switching elements are realized in this mechanical manner. Wherein, complete mechanical system realizes, shows the heaviness, must have the via hole moreover, and children play with the game and produce the incident easily, and door body subassembly 2 laminating department must have the door hook in addition, and aesthetic property and security are not enough, produce the interference easily when putting and getting food.

In the invention, the functions of the primary switch element and the secondary switch element are realized by a non-mechanical structure; the safety problem of playing by children through holes is solved; the problem of door body group spare 2 laminating department aesthetic property and convenience not enough, produce the interference easily when putting and get food is solved.

As shown in fig. 2, in the present embodiment, a magnet and a magnetic proximity switch may be used in combination. The magnet is mounted on the door body assembly 2, and the magnet changes along with the position change of the door body assembly 2 when the door is opened and closed. The primary switch element (i.e., the aforementioned first switch element 41) and the secondary switch element (i.e., the aforementioned second switch element 42) are magnetically-sensitive proximity switch elements, and are mounted on the apparatus body at constant positions. When the door body assembly 2 is opened and closed, the proximity switch piece can be switched between an on state and an off state along with the change of the distance between the magnet and the proximity switch piece.

As shown in fig. 1, the relay controlled by the primary switch part is on the main loop of the microwave, so that the power supply of the transformer can be cut off, thereby cutting off the microwave operation. Meanwhile, the PCB receives a door opening signal of the secondary switch piece, and the PCB switches off the microwave work by controlling the microwave relay to be switched off.

This technical scheme primary switch spare adopts normally open type switch spare, disconnection when having no magnet signal promptly, connects the closure when having the magnet signal. The secondary switch part adopts a normally closed switch part, namely, the secondary switch part is closed when no magnet signal exists, and is disconnected when a magnet signal exists, the PCB program is set to be incapable of performing microwave work (or disconnecting microwave work) when receiving the closed signal of the secondary switch part, and the secondary switch part can perform microwave work when receiving the disconnected signal of the secondary switch part. If the primary and secondary switch pieces are all normally open switch pieces, when two switch pieces are short-circuited at the same time, the switch pieces are easy to fail at the same time. By adopting the technical scheme, even if the two switch pieces are short-circuited at the same time, because the corresponding procedure of the PCB is that the microwave work can not be carried out when the secondary switch piece is closed, the short-circuited state at the same time also plays a role in protection.

Fig. 4 shows a practical application of the present embodiment, in which magnets are mounted on the door body assembly 2, and the primary opening and closing member and the secondary opening and closing member are mounted on the apparatus body. Fig. 4 shows the closed state of the apparatus, and the primary and secondary switch elements can receive a magnet signal. When the door is opened. The upper cover does arc motion around the hinge elastic sheet, and the magnet arranged on the door body component 2 is separated from the primary switch piece. The primary and secondary switch parts are switched on and off in the above mode.

The front view of this embodiment is shown in fig. 4, the door assembly 2 is installed at the front edge of the upper cover, and when the upper cover is opened upward, the door assembly 2 is opened upward together.

In the invention, the functions of the primary switch piece and the secondary switch piece are realized by a non-mechanical structure, and the panel and other parts can be separated between the magnet and the primary switch piece, so that the magnet and the primary switch piece are completely hidden, the attractiveness and convenience are enhanced, and the interference on the placement and taking of food is avoided. The through hole is not formed, the problem of safety of playing by children through the through hole is solved, and in addition, the problem of failure of protection effect caused by simultaneous short circuit of the primary and secondary switch pieces is solved.

In addition, it should be noted that, in the invention, the primary and secondary switch parts can be replaced by other non-magnetic induction type proximity switch parts, and the scheme can also be used for a monitoring switch part of a microwave oven; if a proximity switch capable of passing large current is selected, the relay of the primary switch mentioned in this patent can be eliminated, and the proximity switch is directly added on the main loop of the microwave loop

In short, in the invention, a proximity switch part is used for replacing a mechanic switch part, a primary switch part and a secondary switch part are arranged at proper positions, and the primary switch part and the secondary switch part respectively adopt a normally open type switch part and a normally closed type switch part, so that the effect of protecting simultaneous short circuit is achieved.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. The utility model provides a cooking equipment, its characterized in that, cooking equipment includes box, door body subassembly, cooking module and control module, have the culinary art chamber in the box, door body subassembly is used for opening and closing the cooking chamber, cooking module is used for heating the cooking chamber, control module includes:

the first switch piece is closed when the door body assembly closes the cooking cavity and is opened when the door body assembly opens the cooking cavity;

the second switch piece is opened when the door body assembly closes the cooking cavity and is closed when the door body assembly opens the cooking cavity;

wherein the cooking module is powered on when the first switch is closed and the second switch is open, and the cooking module is powered off when the first switch is open or the second switch is closed.

2. The cooking apparatus of claim 1, wherein the control module further comprises:

a control member respectively connected to the first switch member, the second switch member and the cooking module, and the control member energizes the cooking module when the first switch member is closed and the second switch member is open, and de-energizes the cooking module when the first switch member is open or the second switch member is closed.

3. The cooking apparatus of claim 1, wherein the first switch member is a normally open switch and the second switch member is a normally closed switch, the control module further comprising a first trigger member corresponding to the first switch member and a second trigger member corresponding to the second switch member,

the first switch piece is arranged on one of the box body and the door body assembly, the first trigger piece is arranged on the other of the box body and the door body assembly, and the first trigger piece triggers the first switch piece to be in a closed state when the door body assembly closes the cooking cavity;

the second switch piece is arranged on one of the box body and the door body assembly, the second trigger piece is arranged on the other one of the box body and the door body assembly, and the second trigger piece triggers the second switch piece to be in a disconnected state when the door body assembly closes the cooking cavity.

4. The cooking apparatus of claim 3, wherein the first and second switch members are magnetic inductive switch members and the first and second trigger members are magnetic members.

5. The cooking apparatus according to claim 3, wherein the first switch member and the second switch member are both disposed inside the cabinet, and the first trigger member and the second trigger member are both disposed inside the door assembly.

6. Cooking apparatus according to claim 3,

the first trigger part and the second trigger part are the same element;

or the first trigger piece and the second trigger piece are mutually independent elements.

7. The cooking apparatus of claim 1, wherein the control module further comprises:

a first relay in series with the cooking module, the first relay being closed when the first switch is closed and open when the first switch is open.

8. The cooking apparatus of claim 7, wherein the control module further comprises:

a second relay in series with the cooking module, the second relay being open when the second switch is closed and closed when the second switch is open.

9. The cooking apparatus of claim 8, wherein the first relay and the second relay are connected in series to two poles of the cooking module, respectively.

10. The cooking apparatus according to any one of claims 1 to 9, wherein the door assembly includes:

a cover rotatably coupled to the case to open and close the cooking chamber;

the resetting piece is connected with the box body and the cover body and is always in a state of driving the cover body to open the cooking cavity;

a door handle movably connected to one of the cover and the cabinet between a first state in which the door handle locks the cover in a position to close the cooking cavity and a second state in which the door handle releases the cover to cause the cover to open the cooking cavity.

11. The cooking apparatus according to claim 10, wherein the door handle is provided with a structure for triggering the first switch member and the second switch member, the first switch member is closed and the second switch member is opened in the first state of the door handle, and the first switch member is opened and the second switch member is closed in the second state of the door handle.

12. The cooking apparatus according to claim 10, wherein a support pillar is provided on the door handle, and a structure for actuating the first and second switching members is supported at an end of the support pillar.