Heating and cooling appliances

Abstract

The present application relates to a heating device, which comprises: a main body, which forms an inner cavity suitable for placing an object to be heated; a door body, which is used to open and close the main body; a first switch module for identifying that the door body is tightly closed, which comprises a first mechanical switch and a first trigger for triggering the first mechanical switch, and the first mechanical switch and the first trigger are respectively arranged on the main body and the door body; a second switch module for identifying that the door body is tightly closed, which comprises a second mechanical switch and a second trigger for triggering the second mechanical switch, and the second mechanical switch and the second trigger are respectively arranged on the main body and the door body; wherein, as the door body closes the main body, the first trigger first triggers the first mechanical switch, and the second trigger later triggers the second mechanical switch. The present application also relates to a refrigeration appliance. The advantage of the present application is that it can reliably identify whether the door body is close to the main body when the door is closed.

Description

Technical Field

[0001] The present application relates to a heating device and a refrigeration appliance, and in particular to the field of microwave heating. Background Art

[0002] For a heating device, especially a microwave heating device, it is important to confirm whether the door of the heating device is tightly closed, so as to avoid starting the heating when the door is not tightly closed, thereby protecting the life safety of the user, especially preventing microwave leakage. Utility Model Content

[0003] The purpose of the embodiments of the present application is to provide an improved heating device and a corresponding refrigeration appliance.

[0004] According to a first aspect of the present application, an embodiment of the present application provides a heating device, the heating device comprising:

[0005] A main body, wherein the main body forms an inner cavity suitable for placing an object to be heated;

[0006] A door body, the door body is used to open and close the main body;

[0007] a first switch module for identifying that the door is closed, the first switch module comprising a first mechanical switch and a first trigger for triggering the first mechanical switch, the first mechanical switch being arranged on the main body or the door, and the first trigger being arranged on the door or the main body accordingly;

[0008] a second switch module for identifying that the door is closed, the second switch module comprising a second mechanical switch and a second trigger for triggering the second mechanical switch, the second mechanical switch being arranged on the main body or the door, and the second trigger being arranged on the door or the main body accordingly;

[0009] Wherein, as the door closes the main body, the first trigger first triggers the first mechanical switch, and the second trigger later triggers the second mechanical switch.

[0010] Through the above design, it can be reliably identified whether the door body is close to the main body when closing the door.

[0011] According to an optional embodiment of the present application, the first trigger and / or the second trigger is configured as a trigger column disposed on the door body. Thus, the first trigger and the second trigger are shielded by the door body and cannot be seen by the user, making the heating device more beautiful.

[0012] According to an optional embodiment of the present application, the first mechanical switch and / or the second mechanical switch is configured as a micro switch provided on the main body, thereby making the mechanical switch very small on the one hand and facilitating power supply to the mechanical switch on the other hand.

[0013] According to an optional embodiment of the present application, the first trigger triggers the first mechanical switch via a first transmission member provided on the main body and / or the second trigger triggers the second mechanical switch via a second transmission member provided on the main body. Compared with directly triggering the mechanical switch by the trigger, the contact surface of the transmission member with the trigger and the mechanical switch can be conveniently designed to be larger, thereby ensuring stable triggering.

[0014] According to an optional embodiment of the present application, the heating device includes a microwave emitter that allows microwaves to be radiated into the inner cavity for heating.

[0015] According to an optional embodiment of the present application, the first transmission member has a first input surface for being driven by the first trigger and a first output surface for driving the first mechanical switch, the second transmission member has a second input surface for being driven by the second trigger and a second output surface for driving the second mechanical switch, and the first interval between the first input surface and the first output surface is greater than the second interval between the second input surface and the second output surface. The advantages of this design are: on the one hand, compared with the trigger and the mechanical switch, the manufacturing and modification of the transmission member are simpler, and on the other hand, the first mechanical switch and the second mechanical switch can be symmetrically arranged in the main body accordingly.

[0016] According to an optional embodiment of the present application, the first transmission member and / or the second transmission member are configured to be suitable for rotation and / or translation.

[0017] According to an optional embodiment of the present application, the microwave transmitter is a radio frequency wave transmitter.

[0018] According to an optional embodiment of the present application, along the triggering route, the interval between the first trigger and the first mechanical switch is smaller than the interval between the second trigger and the second mechanical switch.

[0019] According to an optional embodiment of the present application, compared with the setting position of the second mechanical switch, the setting position of the first mechanical switch is closer to the contact plane between the door body and the main body.

[0020] According to an optional embodiment of the present application, along the triggering direction, the first operating button of the first mechanical switch is higher than the second operating button of the second mechanical switch.

[0021] According to an optional embodiment of the present application, along the trigger direction, the first trigger is higher than the second trigger.

[0022] According to an optional embodiment of the present application, the first mechanical switch is electrically connected when not triggered, and electrically disconnected when triggered, and the second mechanical switch is electrically disconnected when not triggered, and electrically connected when triggered, thereby avoiding short circuit and facilitating sending a signal that the door is closed.

[0023] According to an optional embodiment of the present application, the heating device includes a controller and a heating module, and the controller is configured to allow the heating module to perform heating when sensing that the first mechanical switch and the second mechanical switch are triggered successively.

[0024] According to an optional embodiment of the present application, the door body is configured as a pivoting door body or a sliding door body.

[0025] According to an optional embodiment of the present application, the heating device includes a magnetic attraction mechanism, and the magnetic attraction mechanism includes a neodymium magnet for generating a magnetic attraction force to close the door body relative to the main body.

[0026] According to an optional embodiment of the present application, the pivotable door body has a pivot side where the pivot axis is located and a switch side opposite to the pivot side, and the first trigger and the second trigger are respectively arranged at two ends of the switch side of the door body. In this way, it can be more accurately determined whether the door body is close to the main body of the heating device.

[0027] According to an optional embodiment of the present application, the magnetic attraction mechanism includes a first magnetic attraction mechanism adjacent to the first switch module and a second magnetic attraction mechanism adjacent to the second switch module.

[0028] According to an optional embodiment of the present application, the neodymium magnet includes a main body neodymium magnet disposed on the main body.

[0029] According to an optional embodiment of the present application, the neodymium magnet includes a door body neodymium magnet arranged on the door body.

[0030] According to an optional embodiment of the present application, the switch side is the upper side of the door body.

[0031] According to an optional embodiment of the present application, when viewed from the left and right directions of the heating device, the first magnetic attraction mechanism and the second magnetic attraction mechanism are arranged inwardly relative to the first switch module and the second switch module.

[0032] According to an optional embodiment of the present application, viewed from the up and down directions of the heating device, the first magnetic attraction mechanism and the second magnetic attraction mechanism are at the same height as the first switch module and the second switch module.

[0033] According to an optional embodiment of the present application, the main body neodymium magnet and the door body neodymium magnet are suitable for attracting each other.

[0034] According to an optional embodiment of the present application, the door body includes a door frame, a fixing plate for the door body neodymium magnet and a screw for mounting the fixing plate to the door frame, the door frame has a door body accommodating portion suitable for accommodating the door body neodymium magnet and a screw seat, the screw is suitable for being screwed into the screw seat to mount the fixing plate and the door body neodymium magnet to the door frame.

[0035] According to an optional embodiment of the present application, the main body has a main body accommodating portion at the front end surface above the inner cavity for accommodating the main body neodymium magnet.

[0036] According to an optional embodiment of the present application, the door body includes an electromagnetic shielding plate, the electromagnetic shielding plate has a notch, and the notch is suitable for avoiding the fixing plate;

[0037] According to an optional embodiment of the present application, the main body accommodating portion includes a hook for clamping the main body neodymium magnet, and the hook is arranged on the left and right side walls of the main body accommodating portion.

[0038] According to an optional embodiment of the present application, the main body accommodating portion includes a front wall and a rear wall, and the inner side of the rear wall is provided with ribs for pressing against the main body neodymium magnet.

[0039] According to an optional embodiment of the present application, the main body accommodating portion has a gap suitable for exposing the magnetic pole mark provided on the main body neodymium magnet.

[0040] According to a second aspect of the present application, an embodiment of the present application provides a refrigeration appliance, wherein the refrigeration appliance comprises the aforementioned heating device.

[0041] According to an optional embodiment of the present application, the refrigeration appliance is a refrigerator, and the heating device is a thawing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] The present application will be described in more detail below with reference to the accompanying drawings, so that the principles, features and advantages of the present application can be better understood. The accompanying drawings include:

[0043] Figure 1 A first example of a heating device of the present application is shown in a cross-sectional partial view.

[0044] Figure 2A second example of the heating device of the present application is schematically shown.

[0045] Figure 3 A third example of the heating device of the present application is schematically shown.

[0046] Figure 4 A fourth example of the heating device of the present application is schematically shown.

[0047] Figure 5 A fifth example of the heating device of the present application is schematically shown.

[0048] Figure 6 An example of a door body of a heating device is schematically shown in a perspective view.

[0049] Figure 7 An example of a door body of a heating device is shown in an exploded perspective view.

[0050] Figure 8 The positional relationship between the electromagnetic shielding plate of the door body and the neodymium magnet of the door body is schematically shown.

[0051] Fig. 9 An example of a main body of a heating device is schematically shown in a perspective view.

[0052] Fig.10 Another perspective schematically shows Fig. 9 An example of a partial subject.

[0053] Fig.11 The three-dimensional partial diagram schematically shows Fig. 9 An example of a body accommodating portion of a body.

[0054] Fig.12 The three-dimensional partial diagram schematically shows from another perspective Fig.11 The main body receiving portion.

[0055] Reference numerals

[0056] 1 first switch module, 10 first mechanical switch, 100 first operating button, 11 first trigger, 12 first transmission member, 13 first input surface, 14 first output surface, 15 first interval;

[0057] 2 second switch module, 20 second mechanical switch, 200 second operating button, 21 second trigger, 22 second transmission member, 23 second input surface, 24 second output surface, 25 second interval;

[0058] 3 main body, 30 front end surface, 31 main body receiving portion, 32 hook, 33 side wall, 34 front wall, 35 rear wall, 350 inner side, 351 rib, 36 gap;

[0059] 4 door body, 40 panel, 401 membrane, 41 pivot side, 42 switch side, 43 pivot shaft, 44 door frame, 45 fixing plate, 450 hole, 46 screw, 47 door body accommodating portion, 48 screw seat, 49 electromagnetic shielding plate, 490 notch, 491 shielding plate fixing structure;

[0060] 5 contact plane;

[0061] 6 inner cavity;

[0062] 7 magnetic attraction mechanism, 70 neodymium magnet, 71 first magnetic attraction mechanism, 72 second magnetic attraction mechanism, 73 main body neodymium magnet, 74 door body neodymium magnet, 75 magnetic pole mark;

[0063] 8 microwave transmitters, 80 radio frequency wave transmitters;

[0064] 9 trays, 91 left and right directions, 92 up and down directions. DETAILED DESCRIPTION

[0065] In order to make the technical problems, technical solutions and beneficial technical effects to be solved by the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and multiple exemplary embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the scope of protection of the present application.

[0066] Figure 1 A first example of the heating device of the present application is shown in a sectional partial view. The heating device may be a separately sold commodity, such as a microwave oven, or a heating device for a refrigeration appliance, such as a defrosting device in a refrigerator.

[0067] like Figure 1 As shown, the heating device comprises:

[0068] The main body 3 forms an inner cavity 6 suitable for placing the object to be heated (see Fig. 9 );

[0069] A door body 4, which is used to open and close the main body 3;

[0070] A first switch module 1 for identifying that the door body 4 is closed, the first switch module 1 comprises a first mechanical switch 10 and a first trigger 11 for triggering the first mechanical switch 10, the first mechanical switch 10 is arranged on the main body 3 or the door body 4, and the first trigger 11 is correspondingly arranged on the door body 4 or the main body 3;

[0071] A second switch module 2 for identifying that the door body 4 is closed, the second switch module 2 comprises a second mechanical switch 20 and a second trigger 21 for triggering the second mechanical switch 20, the second mechanical switch 20 is arranged on the main body 3 or the door body 4, and the second trigger 21 is correspondingly arranged on the door body 4 or the main body 3;

[0072] As the door 4 closes the main body 3 , the first trigger 11 first triggers the first mechanical switch 10 , and then the second trigger 21 triggers the second mechanical switch 20 .

[0073] Through the above design, it can be reliably identified whether the door body 4 is close to the main body 3 when closing the door.

[0074] According to an exemplary embodiment of the present application, the heating device comprises a microwave emitter 8 (see Fig.10 ). In particular, when the heating device has a microwave transmitter 8, the two switch modules of the present application can identify whether the door body 4 is close to the main body 3 to meet the regulatory requirements of microwaves.

[0075] According to an exemplary embodiment of the present application, the microwave transmitter 8 is a radio frequency transmitter 80 (see Fig.10 ). Radio frequency waves can heat the object to be heated evenly.

[0076] According to an exemplary embodiment of the present application, Figure 1 As shown, the first trigger 11 and / or the second trigger 21 are configured as trigger columns disposed on the door body 4. Thus, the first trigger 11 and the second trigger 21 are shielded by the door body 4 and cannot be seen by the user, making the heating device more beautiful.

[0077] Correspondingly, the first mechanical switch 10 and / or the second mechanical switch 20 are configured as micro switches disposed on the main body 3. This makes the mechanical switch very small on the one hand, and facilitates power supply to the mechanical switch on the other hand.

[0078] According to an exemplary embodiment of the present application, Figure 1 As shown, the first trigger 11 triggers the first mechanical switch 10 via the first transmission member 12 provided on the main body 3 and / or the second trigger 21 triggers the second mechanical switch 20 via the second transmission member 22 provided on the main body 3. For the sake of aesthetics, the triggering surface of the first trigger 11 and the second trigger 21 is not large, for example, a line, and the triggered surface of the mechanical switch, for example, a micro switch, is also very small, for example, a point. As a result, it may be difficult for the trigger to directly and accurately trigger the mechanical switch. In the case of providing a transmission member, the contact surface of the transmission member with the trigger and the mechanical switch can be designed to be larger, thereby ensuring stable triggering. However, it is obviously possible for the trigger to directly trigger the mechanical switch.

[0079] According to an exemplary embodiment of the present application, Figure 1As shown, the first transmission member 12 has a first input surface 13 for being driven by the first trigger 11 and a first output surface 14 for driving the first mechanical switch 10, the second transmission member 22 has a second input surface 23 for being driven by the second trigger 21 and a second output surface 24 for driving the second mechanical switch 20, and the first interval 15 between the first input surface 13 and the first output surface 14 is greater than the second interval 25 between the second input surface 23 and the second output surface 24. Thus, the first trigger 11 triggers the first mechanical switch 10 first, and the second trigger 21 triggers the second mechanical switch 20 later. This design also has the following advantages: on the one hand, compared with the trigger and the mechanical switch, the manufacturing and modification of the transmission member are simpler, and on the other hand, the first mechanical switch 10 and the second mechanical switch 20 can be symmetrically arranged in the main body 3 accordingly, and the first trigger 11 and the second trigger 21 are also symmetrically arranged in the door body 4.

[0080] exist Figure 1 In the embodiment, the first transmission member 12 and / or the second transmission member 22 are configured to be suitable for rotation. Rotating transmission members are simpler in structure and require less movement space. However, it is conceivable that the first transmission member 12 and / or the second transmission member 22 are configured to be suitable for translation instead or in addition.

[0081] Figure 2 A second example of the heating device of the present application is schematically shown. For simplicity, only a part of the heating device is shown.

[0082] exist Figure 1 In the embodiment, the first mechanical switch 10 and the second mechanical switch 20 are triggered correspondingly by pushing the first operating button 100 and the second operating button 200 backward. Figure 1 Different, in Figure 2 In the embodiment, the first mechanical switch 10 is triggered by pressing the first operating button 100 to the right, and the second mechanical switch 20 is triggered by pressing the second operating button 200 to the left. The first interval 15 (here, the angular interval) between the first input surface 13 and the first output surface 14 of the first transmission member 12 is greater than the second interval 25 between the second input surface 23 and the second output surface 24 of the second transmission member 22. With this design, it is also possible to achieve that the first trigger 11 triggers the first mechanical switch 10 first, and the second trigger 21 triggers the second mechanical switch 20 later.

[0083] Figure 3 A third example of the heating device of the present application is schematically shown.

[0084] Figure 4 A fourth example of the heating device of the present application is schematically shown.

[0085] Figure 5 A fifth example of the heating device of the present application is schematically shown.

[0086] According to an exemplary embodiment of the present application, Figure 3 , Figure 4 and Figure 5 As shown, along the triggering route, the interval between the first trigger 11 and the first mechanical switch 10 is smaller than the interval between the second trigger 21 and the second mechanical switch 20. Thus, the first trigger 11 can trigger the first mechanical switch 10 first, and the second trigger 21 can trigger the second mechanical switch 20 later.

[0087] According to an exemplary embodiment of the present application, Figure 3 As shown, compared with the setting position of the second mechanical switch 20, the setting position of the first mechanical switch 10 is closer to the contact plane 5 between the door body 4 and the main body 3. It is also conceivable that Figure 3 As shown, except for the setting position of the mechanical switch, the first switch module 1 and the second switch module 2 are substantially consistent or substantially symmetrical.

[0088] According to an exemplary embodiment of the present application, Figure 4 As shown in FIG. 1 , along the trigger direction, the first operating button 100 of the first mechanical switch 10 is higher than the second operating button 200 of the second mechanical switch 20. Figure 4 As shown, the first switch module 1 and the second switch module 2 may be substantially identical or substantially symmetrical.

[0089] According to an exemplary embodiment of the present application, Figure 5 As shown, along the trigger direction, the first trigger 11 is higher than the second trigger 21. In addition, as Figure 5 As shown, the first switch module 1 and the second switch module 2 may be substantially identical or substantially symmetrical.

[0090] There are many possibilities for realizing that the first trigger 11 triggers the first mechanical switch 10 first and the second trigger 21 triggers the second mechanical switch 20 later, which cannot be listed one by one, and only some examples are given here. Those skilled in the art can also imagine various suitable variations and combinations of these examples.

[0091] According to an exemplary embodiment of the present application, the first mechanical switch 10 is electrically connected when not triggered, and electrically disconnected when triggered, and the second mechanical switch 20 is electrically disconnected when not triggered, and electrically connected when triggered. This avoids short circuits and facilitates sending a signal that the door body 4 is closed.

[0092] Here, the heating device may include a controller and a heating module, wherein the controller is configured to allow the heating module to perform heating when sensing that the first mechanical switch 10 and the second mechanical switch 20 are triggered successively. The microwave emitter may be a part of the heating module.

[0093] Figure 6 An example of a door body 4 of a heating device is schematically shown in a perspective view.

[0094] According to an exemplary embodiment of the present application, Figure 6 As shown, the door body 4 is constructed as a pivoting door body 4. Figure 6 In the embodiment, when opening the door, the door body 4 is turned downwards, but it is also conceivable to replace this, when opening the door, the door body 4 is turned upwards, turned to the left or turned to the right. The door body 4 can also be constructed as a push-pull door body 4.

[0095] According to an exemplary embodiment of the present application, Figure 6 As shown, the pivotable door body 4 has a pivot side 41 where the pivot shaft 43 is located and a switch side 42 opposite to the pivot side 41. The first trigger 11 and the second trigger 21 are respectively arranged at two ends of the switch side 42 of the door body 4, here, the left and right ends. In this way, it can be more accurately determined whether the door body 4 is close to the main body 3 of the heating device. Here, the switch side 42 is the upper side of the door body 4.

[0096] Figure 7 An example of a door body of a heating device is shown in an exploded perspective view.

[0097] According to an exemplary embodiment of the present application, Figure 7 As shown, the heating device includes a magnetic attraction mechanism 7, which includes a neodymium magnet 70 for generating a magnetic attraction force to close the door body 4 relative to the main body 3. The neodymium magnet 70 has a strong magnetic attraction force and better resistance to temperature, humidity and vibration.

[0098] According to an exemplary embodiment of the present application, Figure 7 As shown, the neodymium magnet 70 includes a door body neodymium magnet 74 disposed on the door body 4 .

[0099] According to an exemplary embodiment of the present application, Figure 7 As shown, the door body 4 includes a door frame 44, a fixing plate 45 for the door body neodymium magnet 74, and a screw 46 for mounting the fixing plate 45 to the door frame 44. The door frame 44 has a door body accommodating portion 47 suitable for accommodating the door body neodymium magnet 74 and a screw seat 48. The screw 46 is suitable for being screwed into the screw seat 48 to mount the fixing plate 45 and the door body neodymium magnet 74 to the door frame 44. Here, the fixing plate 45 can cover the door body neodymium magnet 74, and the screw 46 passes through the hole 450 on the fixing plate 45 and is screwed into the screw seat 48 on the door frame 44.

[0100] like Figure 7 As shown, the door body 4 may further include a panel 40, an electromagnetic shielding plate 49, and a film 401 attached to the electromagnetic shielding plate 49. The film 401 is used to prevent the electromagnetic shielding plate 49 from being directly touched.

[0101] Figure 8 The positional relationship between the electromagnetic shielding plate 49 of the door 4 and the door neodymium magnet 74 is schematically shown.

[0102] According to an exemplary embodiment of the present application, Figure 8 As shown, the electromagnetic shielding plate 49 has a notch 490, and the notch 490 is suitable for avoiding the fixing plate 45. Therefore, the electromagnetic shielding plate 49 and the door neodymium magnet 74 will not conflict with each other during installation.

[0103] The electromagnetic shielding plate 49 may further include a shielding plate fixing structure 491 for fixing to the door frame 44 .

[0104] Fig. 9 An example of a main body 3 of a heating device is schematically shown in a perspective view.

[0105] According to an exemplary embodiment of the present application, Fig. 9 As shown, the neodymium magnet 70 includes a main body neodymium magnet 73 disposed on the main body 3. The main body neodymium magnet 73 and the door body neodymium magnet 74 may be arranged to correspond to each other and be suitable for attracting each other.

[0106] Fig. 9 Also shown is a tray 9 placed in the inner cavity 6 of the main body 3.

[0107] Fig.10 Another perspective schematically shows Fig. 9 An example of a part of the subject 3. This is a top view.

[0108] According to an exemplary embodiment of the present application, Figure 8 , Fig. 9 and Fig.10 As shown, the magnetic attraction mechanism 7 includes a first magnetic attraction mechanism 71 adjacent to the first switch module 1 and a second magnetic attraction mechanism 72 adjacent to the second switch module 2. This improves the robustness of the switch module.

[0109] Each magnetic attraction mechanism 7 may include a main body neodymium magnet 73 and / or a door body neodymium magnet 74 .

[0110] According to an exemplary embodiment of the present application, Fig. 9 and Fig.10 As shown, when viewed in the left-right direction 91 of the heating device, the first magnetic attraction mechanism 71 and the second magnetic attraction mechanism 72 are arranged inwardly relative to the first switch module 1 and the second switch module 2 .

[0111] According to an exemplary embodiment of the present application, Fig. 9 and Fig.10As shown, when viewed in the up-down direction 92 of the heating device, the first magnetic attraction mechanism 71 and the second magnetic attraction mechanism 72 are at the same height as the first switch module 1 and the second switch module 2 .

[0112] According to an exemplary embodiment of the present application, Fig. 9 and Fig.10 As shown, the main body 3 has a main body receiving portion 31 for receiving a main body neodymium magnet 73 at the front end surface 30 above the inner cavity 6 .

[0113] According to an exemplary embodiment of the present application, Fig. 9 As shown, the main body receiving portion 31 has a vacancy 36 suitable for exposing the magnetic pole mark 75 provided on the main body neodymium magnet 73 (see Fig.11 ).exist Fig. 9 In the embodiment, the magnetic pole mark 75 on the front side of the main neodymium magnet 73 is the N pole. Figure 8 As shown, the rear side of the door neodymium magnet 74 is the S pole.

[0114] Fig.11 The three-dimensional partial diagram schematically shows Fig. 9 An example of the main body receiving portion 31 of the main body 3. Here, the main body neodymium magnet 73 has not yet been placed.

[0115] Fig.12 The three-dimensional partial diagram schematically shows from another perspective Fig.11 The main body receiving portion 31. Here, the main body neodymium magnet 73 has been placed.

[0116] According to an exemplary embodiment of the present application, Fig.11 and Fig.12 As shown, the main body accommodating portion 31 includes a hook 32 for clamping the main body neodymium magnet 73 , and the hook 32 is disposed on the left and right side walls 33 of the main body accommodating portion 31 .

[0117] According to an exemplary embodiment of the present application, Fig.11 and Fig.12 As shown, the main body accommodating portion 31 includes a front wall 34 and a rear wall 35 , and an inner side 350 of the rear wall 35 is provided with ribs 351 for pressing against the main body neodymium magnet 73 .

[0118] In the context, various words and phrases indicating directions, such as "upper", "lower", "left", "right", etc., are used to describe the embodiments. The purpose is only to make the description more concise. These words and phrases are basically referred to the placement posture of the heating device during normal operation, and should not be understood as an absolute limitation on the present application. Obviously, the meanings of the above words and phrases change accordingly when the heating device is placed in other postures. In the drawings, especially the schematic drawings, in order to clearly distinguish the components, gaps are deliberately left between the components. However, in reality, the components may be close to each other. Some dotted lines are also added to the drawings to distinguish the positions of the components.

[0119] In some drawings, for simplicity, some parts of the heating device may be omitted. In addition, for multiple components with the same function, due to limited space, sometimes only one of them or several of them are marked with reference numerals.

[0120] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the present disclosure, even when only a single embodiment is described with respect to specific features. The feature examples provided in the present disclosure are intended to be illustrative, not restrictive, unless otherwise stated. In specific implementations, multiple features may be combined with each other, where technically feasible, according to actual needs. Various substitutions, changes, and modifications may also be conceived without departing from the spirit and scope of the present application.

Claims

1. A heating device, characterized in that: The heating device comprises: A main body (3), wherein the main body (3) forms an inner cavity (6) suitable for placing an object to be heated; A door body (4), the door body (4) is used to open and close the main body (3); A first switch module (1) for identifying that the door body (4) is tightly closed, the first switch module (1) comprising a first mechanical switch (10) and a first trigger (11) for triggering the first mechanical switch (10), the first mechanical switch (10) being arranged on the main body (3) or the door body (4), and the first trigger (11) being correspondingly arranged on the door body (4) or the main body (3); a second switch module (2) for identifying that the door body (4) is tightly closed, the second switch module (2) comprising a second mechanical switch (20) and a second trigger (21) for triggering the second mechanical switch (20), the second mechanical switch (20) being arranged on the main body (3) or the door body (4), and the second trigger (21) being correspondingly arranged on the door body (4) or the main body (3); Wherein, as the door (4) closes the main body (3), the first trigger (11) first triggers the first mechanical switch (10), and the second trigger (21) then triggers the second mechanical switch (20).

2. The heating device according to claim 1, characterized in that The heating device comprises at least one of the following features: The first trigger (11) and / or the second trigger (21) are configured as trigger columns disposed on the door body (4); The first mechanical switch (10) and / or the second mechanical switch (20) are configured as micro switches provided on the main body (3); The first trigger (11) triggers the first mechanical switch (10) via a first transmission member (12) provided on the main body (3), and / or the second trigger (21) triggers the second mechanical switch (20) via a second transmission member (22) provided on the main body (3); The heating device comprises a microwave emitter (8) allowing microwaves to be radiated into the inner cavity (6) for heating.

3. The heating device according to claim 2, characterized in that: The heating device comprises at least one of the following features: The first transmission member (12) has a first input surface (13) for being driven by the first trigger (11) and a first output surface (14) for driving the first mechanical switch (10); the second transmission member (22) has a second input surface (23) for being driven by the second trigger (21) and a second output surface (24) for driving the second mechanical switch (20); a first interval (15) between the first input surface (13) and the first output surface (14) is greater than a second interval (25) between the second input surface (23) and the second output surface (24); The first transmission member (12) and / or the second transmission member (22) are configured to be suitable for rotation and / or translation; The microwave transmitter (8) is a radio frequency wave transmitter (80).

4. The heating device according to claim 1, characterized in that Along the triggering route, the interval between the first trigger (11) and the first mechanical switch (10) is smaller than the interval between the second trigger (21) and the second mechanical switch (20); Compared with the setting position of the second mechanical switch (20), the setting position of the first mechanical switch (10) is closer to the contact plane (5) between the door body (4) and the main body (3); Along the triggering direction, the first operating button (100) of the first mechanical switch (10) is higher than the second operating button (200) of the second mechanical switch (20); Along the triggering direction, the first trigger (11) is higher than the second trigger (21).

5. The heating device according to any one of claims 1 to 4, characterized in that: The heating device comprises at least one of the following features: The first mechanical switch (10) is electrically connected when not triggered, and is electrically disconnected when triggered; the second mechanical switch (20) is electrically disconnected when not triggered, and is electrically connected when triggered; The heating device comprises a controller and a heating module, wherein the controller is configured to allow the heating module to perform heating when sensing that the first mechanical switch (10) and the second mechanical switch (20) are triggered successively; The door body (4) is configured as a pivoting door body (4) or a push-pull door body (4); The heating device comprises a magnetic attraction mechanism (7), and the magnetic attraction mechanism (7) comprises a neodymium magnet (70) for generating a magnetic attraction force for closing the door body (4) relative to the main body (3).

6. The heating device according to claim 5, characterized in that: The heating device comprises at least one of the following features: The pivotable door body (4) comprises a pivot side (41) where a pivot axis (43) is located and a switch side (42) opposite to the pivot side (41), wherein the first trigger (11) and the second trigger (21) are respectively arranged at two ends of the switch side (42) of the door body (4); The magnetic attraction mechanism (7) comprises a first magnetic attraction mechanism (71) adjacent to the first switch module (1) and a second magnetic attraction mechanism (72) adjacent to the second switch module (2); The neodymium magnet (70) comprises a main neodymium magnet (73) arranged on the main body (3); The neodymium magnet (70) comprises a door body neodymium magnet (74) arranged on the door body (4).

7. The heating device according to claim 6, characterized in that The heating device comprises at least one of the following features: The switch side (42) is the upper side of the door body (4); When viewed in the left-right direction (91) of the heating device, the first magnetic attraction mechanism (71) and the second magnetic attraction mechanism (72) are arranged inwardly relative to the first switch module (1) and the second switch module (2); When viewed from the up and down direction (92) of the heating device, the first magnetic attraction mechanism (71) and the second magnetic attraction mechanism (72) are at the same height as the first switch module (1) and the second switch module (2); The main body neodymium magnet (73) and the door body neodymium magnet (74) are suitable for attracting each other; The door body (4) comprises a door frame (44), a fixing plate (45) for the door body neodymium magnet (74) and a screw (46) for mounting the fixing plate (45) on the door frame (44); the door frame (44) has a door body accommodating portion (47) suitable for accommodating the door body neodymium magnet (74) and a screw seat (48); the screw (46) is suitable for being screwed into the screw seat (48) to mount the fixing plate (45) and the door body neodymium magnet (74) on the door frame (44); The main body (3) has a main body receiving portion (31) for receiving the main body neodymium magnet (73) at the front end surface (30) above the inner cavity (6).

8. The heating device according to claim 7, characterized in that: The heating device comprises at least one of the following features: The door body (4) comprises an electromagnetic shielding plate (49), the electromagnetic shielding plate (49) has a notch (490), and the notch (490) is suitable for avoiding the fixing plate (45); The main body accommodating portion (31) comprises a hook (32) for clamping the main body neodymium magnet (73), and the hook (32) is arranged on the left and right side walls (33) of the main body accommodating portion (31); The main body accommodating portion (31) comprises a front wall (34) and a rear wall (35); the inner side (350) of the rear wall (35) is provided with ribs (351) for pressing against the main body neodymium magnet (73); The main body accommodating portion (31) has a gap (36) suitable for exposing a magnetic pole mark (75) provided on the main body neodymium magnet (73).

9. A refrigeration appliance, characterized in that: The refrigeration appliance comprises a heating device according to any one of claims 1 to 8.

10. The refrigeration appliance according to claim 9, characterized in that: The refrigeration appliance is a refrigerator, and the heating device is a thawing device.

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