Heating device and cooking apparatus

Abstract

The utility model provides a kind of heating device and cooking equipment, it is related to cooking equipment technical field, heating device includes: support;Heat insulation layer, it is set at the side of support;Coil, it is set at the side of heat insulation layer away from heat insulation layer;Compression ring, compression ring includes the main part and gland portion connected, main part is around at the outside of heat insulation layer, and is connected with support, gland portion is pressed in the edge of heat insulation layer side away from support, compression ring is made of electromagnetic shielding material.The utility model provides a kind of heating device, by the electromagnetic field that can shield coil generates, reduce the interference of electromagnetic field generated by coil to outside.

Description

Technical Field

[0001] This utility model relates to the field of cooking equipment technology, and more specifically to a heating device and cooking equipment. Background Technology

[0002] Currently, there is a hybrid coil where metal windings are spirally inserted into a heat insulation layer, enabling both electromagnetic heating and infrared heating through a set of metal windings.

[0003] However, when multiple coils are used close together, if the coils operate by electromagnetic heating, they will interfere with each other and generate electromagnetic noise. Utility Model Content

[0004] The present invention aims to at least solve or improve the technical problem in the related art that the coil disk in electromagnetic heating mode will cause strong interference to other equipment.

[0005] Therefore, a heating device is proposed in the first aspect of this utility model.

[0006] A second aspect of this utility model provides a cooking device.

[0007] In view of the above, according to the first aspect of the present invention, the present invention provides a heating device, comprising: a bracket; a heat insulation layer disposed on one side of the bracket; a coil disposed on the side of the heat insulation layer away from the heat insulation layer; and a pressure ring, the pressure ring comprising a main body and a pressure cover connected to each other, the main body surrounding the outside of the heat insulation layer and connected to the bracket, the pressure cover pressing against the edge of the heat insulation layer away from the bracket, and the pressure ring being made of an electromagnetic shielding material.

[0008] The heating device proposed in this utility model includes a bracket, a heat insulation layer, a coil, and a pressure ring. The heat insulation layer is disposed on one side of the bracket, the coil is disposed on the side of the heat insulation layer away from the bracket, and the pressure ring is fixed to the bracket and pressed against the edge of the heat insulation layer, thereby reducing the possibility of warping of the heat insulation layer.

[0009] The pressure ring includes a main body and a pressure cover, which are connected. The main body has a ring-shaped structure and surrounds the outside of the heat insulation layer. The pressure cover presses on the edge of the heat insulation layer away from the support. Furthermore, the pressure ring is made of electromagnetic shielding material, which can shield the electromagnetic field generated by the coil and reduce the interference of the electromagnetic field generated by the coil to the outside world.

[0010] In addition, the pressure ring can also protect the bracket and insulation layer to a certain extent, reducing the possibility of damage to the heating device.

[0011] In some technical solutions, the support may optionally include: a support body, an insulation layer disposed on one side of the support body, and the body portion surrounding the support body; at least two fixing portions disposed on the edge of the support body, with the fixing portions located on the outside of the body portion.

[0012] In this technical solution, the bracket includes a bracket body and at least two fixing parts. The heat insulation layer is disposed on one side of the bracket body, and the at least two fixing parts are disposed on the outside of the bracket body. This reduces the interference of the fixing parts with the heat insulation layer, helps to increase the coverage area of ​​the heat insulation layer, and reduces the possibility of damage to the heat insulation layer caused by fixing the heating device.

[0013] Furthermore, the main body surrounds the support body, improving the reliability of the connection between the pressure ring and the support, and improving the reliability of the pressure ring in shielding the electromagnetic field generated by the coil.

[0014] In some technical solutions, optionally, the bracket body includes a first groove and an edge surrounding the first groove, and the heat insulation layer is disposed in the first groove; the cover portion extends beyond the edge and covers the edge of the heat insulation layer on the side away from the bracket.

[0015] In this technical solution, the bracket body includes a first groove and an edge. The edge is arranged around the first groove, and the heat insulation layer is arranged in the first groove. That is, the bracket body forms a semi-enclosed state for the heat insulation layer, thereby improving the protection effect of the bracket on the heat insulation layer. The pressure cover extends beyond the edge and presses on the edge of the heat insulation layer away from the bracket, so that the pressure ring can firmly press on the heat insulation layer.

[0016] In some technical solutions, the pressure ring may optionally include a fixing ear, which is an integral structure with the main body, the fixing ear being bent toward the support body and abutting against the support body.

[0017] In this technical solution, the pressure ring also includes a fixing ear set in the main body. The fixing ear and the main body are an integral structure. Furthermore, the fixing ear is bent towards the support body, thereby achieving the contact between the fixing ear and the support body, and achieving the purpose of fixing the pressure ring and the support body. This connection and fixing method has a simple structure and high reliability.

[0018] In some technical solutions, the heating device may optionally include: a fixing tooth disposed on the side of the heat insulation layer away from the support, forming a receiving channel between the fixing tooth and the heat insulation layer, through which the coil passes, and the fixing tooth being used to limit the coil.

[0019] In this technical solution, the heating device also includes a fixing tooth, which is fixed on the side of the heat insulation layer away from the support. A receiving channel is formed between the fixing tooth and the heat insulation layer. The coil passes through the receiving channel, and the fixing tooth limits the coil, reducing the possibility of the coil detaching from the heat insulation layer.

[0020] In some technical solutions, the heating device may optionally include: a fixing pin, inserted into the heat insulation layer, the fixing pin being used to fix the fixing teeth to the heat insulation layer.

[0021] In this technical solution, the heating device also includes a staple, which is inserted into the heat insulation layer and fixes the fixing teeth on one side of the heat insulation layer. The staple is inexpensive, which helps to reduce the cost of the heating device. In addition, the staple has high reliability and is easy to operate, which helps to improve production efficiency.

[0022] In some technical solutions, the coil may optionally include: a first coil disposed on the side of the insulation layer away from the support; and a second coil disposed on the side of the insulation layer away from the support, the second coil being located outside the first coil; wherein the second coil passes through the receiving channel.

[0023] In this technical solution, the coil includes an electrically connected first coil and a second coil, both of which are located on the side of the insulation layer away from the support. The second coil is located outside the first coil, and the fixing teeth only fix the second coil. Since the first coil is located inside the second coil, that is, the size of the first coil is smaller and its deformation is smaller, no additional fixing is required, reducing the amount of fixing teeth and lowering the production cost of the heating device.

[0024] In some technical solutions, optionally, there are multiple receiving channels, which are distributed radially along the second coil, with each turn of the second coil passing through one receiving channel.

[0025] In this technical solution, there are multiple receiving channels, which are distributed radially along the second coil, so that each turn of the second coil passes through a receiving channel, thereby reducing the possibility of short circuit in the second coil.

[0026] In some technical solutions, the fixing teeth can optionally be ceramic fixing teeth.

[0027] In this technical solution, the fixing teeth are ceramic fixing teeth, which have good insulation and high strength.

[0028] In some technical solutions, the heating device may optionally include: a panel disposed on the side of the insulation layer away from the support; a temperature sensor fixed to the insulation layer and abutting against the panel; and a first elastic element disposed between the insulation layer and the support, the first elastic element being used to provide elastic potential energy to the insulation layer in the direction of the panel.

[0029] In this technical solution, the heating device also includes a panel, a temperature sensor, and a first elastic element. The panel is disposed on the side of the insulation layer away from the support, and the temperature sensor is fixed to the insulation layer and abuts against the panel, so that the temperature sensor can detect the temperature of the panel. The first elastic element is disposed between the insulation layer and the support, and the first elastic element is in a pre-compression state, thereby providing elastic potential energy to the insulation layer in the direction of the panel, so that the temperature sensor is always abutting against the panel, improving the reliability of the temperature sensor in temperature detection.

[0030] In some technical solutions, the temperature sensor is optionally located in the middle area of ​​the insulation layer, inside the coil, and the first elastic element is a spring.

[0031] In this technical solution, the temperature sensor is set in the middle area of ​​the insulation layer and is located inside the coil, thereby improving the accuracy of the temperature sensor in detecting the actual temperature during cooking. The first elastic element is a spring, which allows the first elastic element to provide support for the insulation layer based on the position of the temperature sensor, thereby improving the support effect of the first elastic element on the insulation layer.

[0032] In some technical solutions, the heating device may optionally include a magnetic strip array disposed on the side of the support away from the heat insulation layer, with the magnetic strip array and the coil being arranged correspondingly.

[0033] In this technical solution, the heating device also includes a magnetic strip array, which is set on the side of the support away from the heat insulation layer. The magnetic strip array is arranged correspondingly to the coil, thereby increasing the electric field strength of the coil and improving the heating effect of the heating device.

[0034] In some technical solutions, the insulation layer may optionally include: an aerogel layer disposed on one side of the support; a silica layer disposed on the side of the aerogel layer away from the support; and the coil disposed on the silica layer.

[0035] In this technical solution, the heat insulation layer includes an aerogel layer and a silica layer. The aerogel layer is located between the silica layer and the support. By combining the aerogel layer and the silica layer, the heat insulation effect of the heat insulation layer is improved, while also taking into account weight and cost.

[0036] According to a second aspect of the present invention, a cooking apparatus is provided, comprising: at least one heating device as provided in the first aspect embodiment.

[0037] The cooking device proposed in this utility model includes the heating device provided in the first aspect embodiment, and therefore has all the beneficial effects of the heating device provided in the first aspect embodiment, which will not be described in detail here.

[0038] Additional aspects and advantages of this invention will become apparent in the description that follows, or may be learned by practice of this invention. Attached Figure Description

[0039] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0040] Figure 1 One exploded view of a heating device provided in one embodiment of the present invention is shown;

[0041] Figure 2 A schematic diagram showing the heating device with the pressure ring removed according to an embodiment of the present invention is shown;

[0042] Figure 3 As shown Figure 2 A partial enlarged view of point A of the heating device shown;

[0043] Figure 4 One of the cross-sectional views of a heating device provided in one embodiment of the present invention is shown;

[0044] Figure 5 As shown Figure 4 A partial enlarged view of point B of the heating device shown;

[0045] Figure 6 The second exploded view shows a heating device provided in one embodiment of the present invention;

[0046] Figure 7 One schematic diagram of a heating device provided in one embodiment of the present invention is shown;

[0047] Figure 8 As shown Figure 7 A partial enlarged view of point C of the heating device shown;

[0048] Figure 9 The third exploded view of a heating device provided in one embodiment of the present invention is shown;

[0049] Figure 10 A second schematic diagram of a heating device provided in one embodiment of the present invention is shown;

[0050] Figure 11 As shown Figure 10 A partial enlarged view of point D of the heating device shown;

[0051] Figure 12 A second cross-sectional view of a heating device provided in one embodiment of the present invention is shown;

[0052] Figure 13 As shown Figure 12 A partial enlarged view of point E of the heating device shown;

[0053] Figure 14 A partially enlarged view of a heating device provided in one embodiment of the present invention is shown;

[0054] Figure 15 A third cross-sectional view of a heating device provided in one embodiment of the present invention is shown;

[0055] Figure 16 As shown Figure 15 A partial enlarged view of point F of the heating device shown;

[0056] Figure 17 A fourth cross-sectional view of a heating device provided in one embodiment of the present invention is shown;

[0057] Figure 18 As shown Figure 17 A partial enlarged view of point G of the heating device shown;

[0058] Figure 19 The fifth cross-sectional view of a heating device provided in one embodiment of the present invention is shown;

[0059] Figure 20 As shown Figure 19 A partial enlarged view of point H of the heating device shown;

[0060] Figure 21 A schematic diagram of the first elastic element in a heating device provided in one embodiment of the present invention is shown;

[0061] Figure 22 A schematic diagram of a cooking apparatus provided in one embodiment of the present invention is shown.

[0062] in, Figures 1 to 22 The correspondence between the reference numerals and the component names is as follows:

[0063] 1 Heating device, 11 Support, 111 Support body, 112 Fixing part, 113 First groove, 114 Edge, 12 Insulation layer, 121 Aerogel layer, 122 Silica layer, 13 Coil, 131 First coil, 132 Second coil, 14 Pressure ring, 141 Body part, 142 Pressure cover part, 143 Fixing ear, 15 Fixing tooth, 152 Receiving channel, 16 Code pin, 17 Panel, 18 Temperature sensor, 19 First elastic element, 20 Second elastic element, 21 Magnetic strip array, 3 Cooking equipment, 4 Cooking utensils. Detailed Implementation

[0064] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0065] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0066] The following reference Figures 1 to 22 The present invention describes a heating device 1 and a cooking apparatus 3 provided according to some embodiments of the present invention.

[0067] like Figure 1 As shown, according to the first aspect of the present invention, the present invention provides a heating device 1, which includes a support 11, a heat insulation layer 12 and a coil 13. The heat insulation layer 12 is disposed on one side of the support 11, and the support 11 is used to support the heat insulation layer 12. The coil 13 is disposed on the side of the heat insulation layer 12 away from the support 11, thereby blocking heat through the heat insulation layer 12 and reducing the possibility of the support 11 being damaged by overheating.

[0068] Coil 13 can achieve electromagnetic heating and infrared heating, enabling the heating device 1 to achieve multiple heating methods.

[0069] The heating device 1 also includes a pressure ring 14, which is fixed to the bracket 11 and presses against the edge of the insulation layer 12 away from the bracket 11, thereby reducing the possibility of edge warping of the insulation layer 12.

[0070] The pressure ring 14 includes a main body 141 and a pressure cover 142. The main body 141 and the pressure cover 142 are connected. The main body 141 surrounds the outside of the heat insulation layer 12 and is connected to the bracket 11. The pressure cover 142 presses against the edge of the heat insulation layer 12 on the side away from the bracket 11. The pressure ring 14 is made of electromagnetic shielding material.

[0071] The heating device 1 proposed in this utility model includes a bracket 11, a heat insulation layer 12, a coil 13, and a pressure ring 14. The heat insulation layer 12 is disposed on one side of the bracket 11, the coil 13 is disposed on the side of the heat insulation layer 12 away from the bracket 11, and the pressure ring 14 is fixed to the bracket 11 and presses against the edge of the heat insulation layer 12, thereby reducing the possibility of warping of the heat insulation layer 12.

[0072] The pressure ring 14 includes a main body 141 and a pressure cover 142, which are connected. The main body 141 has a ring-shaped structure and surrounds the outside of the heat insulation layer 12. The pressure cover 142 is pressed on the edge of the heat insulation layer 12 away from the support 11. The pressure ring 14 is made of electromagnetic shielding material, which can shield the electromagnetic field generated by the coil 13 and reduce the interference of the electromagnetic field generated by the coil 13 to the outside world.

[0073] In addition, the pressure ring 14 can also protect the bracket 11 and the heat insulation layer 12 to a certain extent, reducing the possibility of damage to the heating device 1.

[0074] The pressure ring 14 can be made of metal, such as copper, aluminum or iron, or other non-metallic materials. To reduce costs and processing difficulty and to improve service life, aluminum or its alloys can be selected to manufacture the pressure ring 14.

[0075] Among them, such as Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, where, Figure 2 and Figure 3 After removing the pressure ring 14, the heating device 1, after prolonged heating of the cooking vessel 4 and subsequent cooling, experiences uneven material shrinkage. This causes the coil 13 to deform, pulling the edge of the insulation layer 12 and causing warping. Therefore, if... Figure 4 and Figure 5 As shown, by pressing the pressure ring 14 against the edge of the insulation layer 12 away from the support 11 for the first time, the possibility of warping and deformation of the insulation layer 12 can be reduced.

[0076] like Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, in some embodiments, optionally, the bracket 11 includes a bracket body 111 and at least two fixing parts 112. The heat insulation layer 12 is disposed on one side of the bracket body 111, and the fixing parts 112 are disposed on the outer side of the bracket body 111. The fixing parts 112 are connected to the edge of the bracket body 111, so that the bracket body 111 can be fixed in the cooking device 3 by means of the fixing parts 112.

[0077] In this embodiment, the bracket 11 includes a bracket body 111 and at least two fixing parts 112. The heat insulation layer 12 is disposed on one side of the bracket body 111, and the at least two fixing parts 112 are disposed on the outside of the bracket body 111. This reduces the interference of the fixing parts 112 on the heat insulation layer 12, helps to increase the coverage area of ​​the heat insulation layer 12, and reduces the possibility of damage to the heat insulation layer 12 caused by the fixing parts 112 fixing the heating device 1.

[0078] Furthermore, the main body 141 surrounds the support body 111, improving the reliability of the connection between the pressure ring 14 and the support 11, and improving the reliability of the pressure ring 14 in shielding the electromagnetic field generated by the coil 13.

[0079] The bracket body 111 and the fixing part 112 can be an integral structure, which are integrally injection molded.

[0080] The number of fixing parts 112 can be two, with the two fixing parts 112 distributed roughly in a straight line, or the number of fixing parts 112 can be three, with the three fixing parts 112 evenly distributed around the periphery of the support body 111. Of course, the number of fixing parts 112 can also be four, five, six or seven, depending on the size of the support body 111.

[0081] Alternatively, the support body 111 can be generally circular or polygonal in structure.

[0082] The fixing part 112 can be fixed inside the cooking device 3 by screws or by other means such as clips.

[0083] A second elastic element 20 is provided below the fixing part 112 to support the heating device 1.

[0084] like Figure 4 and Figure 5 As shown, in some embodiments, optionally, a first groove 113 is provided on one side of the bracket body 111, an edge 114 is provided on the outer side of the first groove 113, the edge 114 is provided around the first groove 113, the heat insulation layer 12 is disposed in the first groove 113, and the cover portion 142 extends beyond the edge 114 and covers the edge of the heat insulation layer 12 on the side away from the bracket 11.

[0085] In this embodiment, the bracket body 111 includes a first groove 113 and an edge 114. The edge 114 is arranged around the first groove 113, and the heat insulation layer 12 is disposed in the first groove 113. That is, the bracket body 111 forms a semi-enclosed state for the heat insulation layer 12, thereby improving the protective effect of the bracket 11 on the heat insulation layer 12. The pressure cover 142 extends beyond the edge 114 and presses on the edge of the heat insulation layer 12 away from the bracket 11, so that the pressure ring 14 can be firmly pressed on the heat insulation layer 12.

[0086] Optionally, a protrusion is provided between the first groove 113 and the edge 114, the protrusion being higher than the edge 114, thereby improving the protection and heat insulation effect of the coil 13.

[0087] like Figure 6 , Figure 7 and Figure 8As shown, in some embodiments, the pressure ring 14 may optionally include a fixing ear 143 disposed on the main body 141. The main body 141 and the fixing ear 143 are an integral structure. The fixing ear 143 is bent toward the support body 111 and abuts against the support body 111.

[0088] In this embodiment, the pressure ring 14 also includes a fixing ear 143 disposed on the main body 141. The fixing ear 143 and the main body 141 are an integral structure. Furthermore, the fixing ear 143 is bent toward the support body 111, thereby achieving the contact between the fixing ear 143 and the support body 111, and achieving the purpose of fixing the pressure ring 14 and the support body 111. This connection and fixing method has a simple structure and high reliability.

[0089] Initially, the fixing ear 143 is not bent. After the pressure ring 14 is installed on the bracket 11, the fixing ear 143 is bent toward the bracket 11, so that the fixing ear 143 and the bracket body 111 abut against each other, thereby achieving the purpose of fixing the pressure ring 14. This fixing method is convenient to install.

[0090] like Figure 1 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 As shown, in some embodiments, the heating device 1 may optionally include a fixing tooth 15, which is disposed on the side of the heat insulation layer 12 away from the support 11. The fixing tooth 15 presses on the coil 13, so that the coil 13 is close to the heat insulation layer 12. A receiving channel 152 is formed between the fixing tooth 15 and the heat insulation layer 12, and the coil 13 passes through the receiving channel 152. The fixing tooth 15 is used to limit the coil 13.

[0091] In this embodiment, the heating device 1 further includes a fixing tooth 15, which is fixed on the side of the heat insulation layer 12 away from the support 11. A receiving channel 152 is formed between the fixing tooth 15 and the heat insulation layer 12. The coil 13 passes through the receiving channel 152. The fixing tooth 15 limits the coil 13, reducing the possibility of the coil 13 detaching from the heat insulation layer 12.

[0092] The number of fixed teeth 15 can be multiple, for example, two, three, four, five, six, seven or eight, etc. The specific number can be determined according to the size of the coil 13.

[0093] like Figure 2 and Figure 3 As shown, after prolonged use, coil 13 may warp and pop out of the heat insulation layer 12, as... Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 As shown, the coil 13 is pressed down by the fixed teeth 15, thereby reducing the possibility of the coil 13 jumping out of the heat insulation layer 12.

[0094] like Figure 14 As shown, in some embodiments, the heating device 1 may optionally include a staple 16 inserted into the heat insulation layer 12, the staple 16 being used to fix the fixing teeth 15 to the heat insulation layer 12.

[0095] In this embodiment, the heating device 1 also includes a staple 16, which is inserted into the heat insulation layer 12 and fixes the fixing teeth 15 to one side of the heat insulation layer 12. The staple 16 is inexpensive, which helps to reduce the cost of the heating device 1. In addition, the staple 16 has high reliability in fixing and is easy to operate, which helps to improve production efficiency.

[0096] During installation, the staples 16 can be shot onto the heat insulation layer 12 using a staple gun, and the staples 16 are fixed onto the heat insulation layer 12 by fixing teeth 15.

[0097] like Figure 9 , Figure 10 , Figure 12 , Figure 13 and Figure 14 As shown, in some embodiments, the coil 13 optionally includes a first coil 131 and a second coil 132 electrically connected, the first coil 131 being located inside the second coil 132, both the first coil 131 and the second coil 132 being disposed on the side of the heat insulation layer 12 away from the support 11, wherein the second coil 132 passes through the receiving channel 152.

[0098] In this embodiment, the coil 13 includes an electrical connection between a first coil 131 and a second coil 132, both of which are disposed on the side of the heat insulation layer 12 away from the support 11. The second coil 132 is located outside the first coil 131. The fixing teeth 15 only fix the second coil 132. Since the first coil 131 is located inside the second coil 132, that is, the size of the first coil 131 is smaller and its deformation is smaller, no additional fixing is required, reducing the amount of fixing teeth 15 and reducing the production cost of the heating device 1.

[0099] The first coil 131 and the second coil 132 are spaced apart by a certain distance. The first coil 131 and the second coil 132 can be wound with the same wire.

[0100] like Figure 13 and Figure 14 As shown, in some embodiments, optionally, there are multiple receiving channels 152, which are distributed radially along the second coil 132, with each turn of the second coil 132 passing through one receiving channel 152.

[0101] In this embodiment, there are multiple receiving channels 152, which are distributed radially along the second coil 132, so that each turn of wire of the second coil 132 passes through a receiving channel 152, thereby reducing the possibility of short circuit of the second coil 132.

[0102] The fixing teeth 15 are comb-shaped, separating each turn of the second coil 132 wire.

[0103] In some embodiments, the fixing tooth 15 may optionally be a ceramic fixing tooth.

[0104] In this embodiment, the fixing tooth 15 is a ceramic fixing tooth, which has good insulation and high strength.

[0105] like Figure 1 , Figure 15 and Figure 16 As shown, in some embodiments, the heating device 1 may optionally include a panel 17, a temperature sensor 18, and a first elastic member 19. The panel 17 is disposed on the side of the heat insulation layer 12 away from the support 11. The panel 17 may be disposed on the protrusion of the support 11. The temperature sensor 18 is fixed to the heat insulation layer 12 and abuts against the panel 17 to detect the temperature of the panel 17, thereby reflecting the temperature of the cooking vessel above the panel 17. The first elastic member 19 is disposed between the heat insulation layer 12 and the support 11. The first elastic member 19 is used to provide elastic potential energy to the heat insulation layer 12 in the direction of the panel 17.

[0106] In this embodiment, the heating device 1 further includes a panel 17, a temperature sensor 18, and a first elastic member 19. The panel 17 is disposed on the side of the heat insulation layer 12 away from the support 11. The temperature sensor 18 is fixed to the heat insulation layer 12 and abuts against the panel 17, so that the temperature sensor 18 can detect the temperature of the panel 17. The first elastic member 19 is disposed between the heat insulation layer 12 and the support 11. The first elastic member 19 is in a pre-compression state, thereby providing elastic potential energy to the heat insulation layer 12 in the direction of the panel 17, so that the temperature sensor 18 always abuts against the panel 17, improving the reliability of temperature detection by the temperature sensor 18.

[0107] Among them, such as Figure 16 As shown, the fixed tooth 15 constrains the coil 13, causing the coil 13 to separate from the panel.

[0108] like Figure 17 and Figure 18 As shown, after prolonged use of the heating device 1, the heat insulation layer 12 will deform, causing the middle area to move away from the panel 17. Therefore, as Figure 19 and Figure 20As shown, the first elastic element can support the heat insulation layer 12, so that the middle area of ​​the heat insulation layer 12 is close to the panel 17.

[0109] like Figure 19 , Figure 20 and Figure 21 As shown, in some embodiments, the temperature sensor 18 is optionally disposed in the middle region of the heat insulation layer 12, the temperature sensor 18 is located inside the coil 13, and the first elastic element 19 is a spring.

[0110] In this embodiment, the temperature sensor 18 is disposed in the middle region of the heat insulation layer 12 and is located inside the coil 13, thereby improving the accuracy of the temperature sensor 18 in detecting the actual temperature during cooking. The first elastic member 19 is a spring, which allows the first elastic member 19 to provide support for the heat insulation layer 12 based on the position of the temperature sensor 18, thereby improving the support effect of the first elastic member 19 on the heat insulation layer 12.

[0111] The heat insulation layer 12 has a boss in the middle area, and the temperature sensor 18 is set on the boss.

[0112] like Figure 1 , Figure 4 and Figure 5 As shown, in some embodiments, the heating device 1 may optionally include a magnetic strip array 21 disposed on the support 11. The magnetic strip array 21 is disposed on the side of the support 11 away from the heat insulation layer 12, and the magnetic strip array 21 and the coil 13 are arranged correspondingly.

[0113] In this embodiment, the heating device 1 further includes a magnetic strip array 21, which is disposed on the side of the support 11 away from the heat insulation layer 12. The magnetic strip array 21 is disposed correspondingly to the coil 13, thereby increasing the electric field strength of the coil 13 and improving the heating effect of the heating device 1.

[0114] like Figure 1 , Figure 4 , Figure 5 , Figure 12 , Figure 13 , Figure 14 , Figure 15 , Figure 16 , Figure 17 , Figure 19 and Figure 20 As shown, in some embodiments, optionally, the heat insulation layer 12 includes an aerogel layer 121 and a silica layer 122. The aerogel layer 121 is disposed on one side of the support 11, and the silica layer 122 is disposed on the side of the aerogel layer 121 away from the support 11. The coil 13 is disposed on the silica layer 122.

[0115] In this embodiment, the heat insulation layer 12 includes an aerogel layer 121 and a silica layer 122. The aerogel layer 121 is located between the silica layer and the support 11. The heat insulation effect of the heat insulation layer 12 is improved by the cooperation of the aerogel layer 121 and the silica layer 122, while taking into account weight and cost.

[0116] The aerogel layer 121 can be aerogel insulation cotton, etc.

[0117] The first elastic element 19 abuts against the silica layer 122, and the temperature sensor 18 is emitted onto the silica layer 122.

[0118] like Figure 1 As shown, in some embodiments, optionally, a heat insulation layer 12 is provided on the support 11, and a coil 13 is provided on the heat insulation layer 12; the coil 13 at least partially comprises a continuously wound metal wire, the metal wire being generally spirally wound, and the cross-section of the wire of the coil 13 being flat, and the wire of the coil 13 being able to be pressed into a wavy shape; after the heat insulation layer 12 and the coil 13 are installed as a whole, they are mounted on the support 11, and a magnetic strip array 21 is provided on the support 11, the magnetic strip array 21 being used to enhance electromagnetic coupling; a pressure ring 14 is provided on the outer side of the support 11 and the heat insulation layer 12; a fixing tooth 15 is provided on the heat insulation layer 12, the fixing tooth 15 being used to press the coil 13 into the heat insulation layer 12; a first elastic member 19 is provided between the middle part of the support 11 and the heat insulation layer 12.

[0119] The heat insulation layer 12 is fixed by a pressure ring 14 to prevent it from deforming and to shield the electromagnetic field, preventing nearby coils 13 from interfering with each other and causing noise.

[0120] The fixing teeth 15 are used to prevent the wire of the coil 13 from jumping out and contacting the panel 17, which would cause its safety withstand voltage to fail to meet the requirements.

[0121] A first elastic element 19 is provided between the middle area of ​​the support 11 and the silica layer 122 to prevent the central heat leakage caused by the collapse of the middle position of the silica layer 122.

[0122] The wire of coil 13 is a metal material that can withstand temperatures above 600°C. The heat insulation layer 12 can hold and fix the metal winding.

[0123] After the coil 13 is inserted into the heat insulation layer 12, it is subjected to high temperature and then cooled. Due to the inconsistent shrinkage of the material, the coil 13 is deformed, which in turn causes the heat insulation layer 12 to deform. Furthermore, the wire of the coil 13 may jump out of the heat insulation layer 12. If the coil 13 contacts the panel 17 at this time, there will be a safety risk of insufficient withstand voltage.

[0124] If multiple heating devices 1 are arranged close to each other, under electromagnetic operating conditions, adjacent coils 13 will generate electromagnetic noise.

[0125] like Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, in some embodiments, optionally, a heat insulation layer 12 is provided on the support 11, and a coil 13 is provided on the heat insulation layer 12; the coil 13 includes at least a partially continuous wound metal wire, the metal wire is generally spirally wound, and the cross-section of the wire of the coil 13 is flat, and the wire of the coil 13 can be pressed into a corrugated shape; after the heat insulation layer 12 and the coil 13 are installed as a whole, they are mounted on the support 11, and a magnetic strip array 21 is provided on the support 11, the magnetic strip array 21 is used to enhance electromagnetic coupling; a pressure ring 14 is provided on the outer side of the support 11 and the heat insulation layer 12.

[0126] The pressure ring 14 is fastened onto the bracket 11 to limit the position of the heat insulation layer 12, preventing deformation of the heat insulation layer 12 caused by the deformation of the coil 13. Furthermore, the pressure ring 14 encloses the entire coil 13, shielding it from electromagnetic induction lines leaking out and from electromagnetic interference from nearby coils 13, thus improving the electromagnetic noise problem.

[0127] The pressure ring 14 is installed from above the coil 13 onto the bracket 11 and fastened to the bracket 11 by the bent fixing lug 143.

[0128] like Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 , Figure 14 , Figure 15 and Figure 16 As shown, in some embodiments, optionally, a heat insulation layer 12 is provided on the support 11, and a coil 13 is provided on the heat insulation layer 12; the coil 13 includes at least a continuous wound metal wire, the metal wire is generally spirally wound, and the cross-section of the wire of the coil 13 is flat, and the wire of the coil 13 can be pressed into a wavy shape; after the heat insulation layer 12 and the coil 13 are installed as a whole, they are mounted on the support 11, and a magnetic strip array 21 is provided on the support 11 to enhance electromagnetic coupling; a pressure ring 14 is provided on the outer side of the support 11 and the heat insulation layer 12; a fixing tooth 15 is provided on the heat insulation layer 12 to press the coil 13 into the heat insulation layer 12.

[0129] Adding fixing teeth 15, which are fixed on the heat insulation layer 12, can be used to limit the jump-out amplitude of the coil 13 and reduce the situation where the wire of the coil 13 jumps out of the heat insulation layer 12 and directly contacts the panel 17.

[0130] The fixing tooth 15 can constrain the position where the wire of the coil 13 jumps out.

[0131] The fixing tooth 15 will take priority over the constrained coil 13, and the fixing tooth 15 can contact the panel 17 first.

[0132] like Figure 19 , Figure 20 and Figure 21 As shown, in some embodiments, optionally, a heat insulation layer 12 is provided on the support 11, and a coil 13 is provided on the heat insulation layer 12; the coil 13 at least partially comprises a continuously wound metal wire, the metal wire being generally spirally wound, and the cross-section of the wire of the coil 13 being flat, and the wire of the coil 13 being able to be pressed into a wavy shape; after the heat insulation layer 12 and the coil 13 are installed as a whole, they are mounted on the support 11, and a magnetic strip array 21 is provided on the support 11, the magnetic strip array 21 being used to enhance electromagnetic coupling; a pressure ring 14 is provided on the outer side of the support 11 and the heat insulation layer 12; a fixing tooth 15 is provided on the heat insulation layer 12, the fixing tooth 15 being used to press the coil 13 into the heat insulation layer 12; a first elastic member 19 is provided between the middle part of the support 11 and the heat insulation layer 12.

[0133] The heat insulation layer 12 is fixed at the edge by the pressure ring 14, and the heat insulation layer 12 is supported in the middle area by the first elastic member 19, so that the heat insulation layer 12 can always be in close contact with the panel 17, reducing the possibility of heat leakage.

[0134] like Figure 22 As shown, according to a second aspect embodiment of the present invention, the present invention provides a cooking device 3, comprising: at least one heating device 1 as provided in the first aspect embodiment.

[0135] The cooking device 3 proposed in this utility model includes the heating device 1 provided in the first aspect embodiment, and therefore has all the beneficial effects of the heating device 1 provided in the first aspect embodiment, which will not be described in detail here.

[0136] The cooking device 3 may include two, three or four heating devices 1.

[0137] In this utility model, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; the term "multiple" refers to two or more unless otherwise explicitly defined. The terms "install," "connect," "join," and "fix" should be interpreted broadly. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "join" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0138] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or units referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0139] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0140] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A heating device, characterized in that, include: support; A heat insulation layer is provided on one side of the bracket; A coil is disposed on the side of the insulation layer opposite to the insulation layer. The pressure ring includes a main body and a pressure cover connected to each other. The main body surrounds the outside of the heat insulation layer and is connected to the bracket. The pressure cover presses against the edge of the heat insulation layer on the side away from the bracket. The pressure ring is made of electromagnetic shielding material.

2. The heating device according to claim 1, characterized in that, The support includes: The support body has a heat insulation layer disposed on one side of the support body, and the main body portion surrounds the support body; At least two fixing parts are provided on the edge of the bracket body, and the fixing parts are located on the outside of the bracket body.

3. The heating device according to claim 2, characterized in that, The main body of the bracket includes a first groove and an edge surrounding the first groove, and the heat insulation layer is disposed in the first groove; The pressure cap extends beyond the edge and presses against the edge of the insulation layer on the side opposite to the support.

4. The heating device according to claim 2, characterized in that, The pressure ring also includes: The fixing ear is an integral structure with the main body. The fixing ear is bent toward the support body and abuts against the support body.

5. The heating device according to claim 1, characterized in that, Also includes: A fixing tooth is disposed on the side of the heat insulation layer away from the support, and a receiving channel is formed between the fixing tooth and the heat insulation layer. The coil passes through the receiving channel, and the fixing tooth is used to limit the position of the coil.

6. The heating device according to claim 5, characterized in that, Also includes: A pin is inserted into the heat insulation layer, and the pin is used to fix the fixing teeth to the heat insulation layer.

7. The heating device according to claim 5, characterized in that, The coil includes: The first coil is disposed on the side of the heat insulation layer away from the bracket; The second coil is disposed on the side of the heat insulation layer away from the bracket, and the second coil is located outside the first coil; The second coil passes through the receiving channel.

8. The heating device according to claim 7, characterized in that, The number of receiving channels is multiple, and the multiple receiving channels are distributed radially along the second coil, with each turn of the second coil passing through one receiving channel.

9. The heating device according to claim 5, characterized in that, The fixing teeth are ceramic fixing teeth.

10. The heating device according to claim 1, characterized in that, Also includes: A panel is disposed on the side of the insulation layer opposite to the bracket; A temperature sensor is fixed to the heat insulation layer and abuts against the panel; A first elastic element is disposed between the heat insulation layer and the support, and the first elastic element is used to provide the heat insulation layer with elastic potential energy in the direction of the panel.

11. The heating device according to claim 10, characterized in that, The temperature sensor is disposed in the middle region of the heat insulation layer, and the temperature sensor is located inside the coil. The first elastic element is a spring.

12. The heating device according to any one of claims 1 to 11, characterized in that, Also includes: A magnetic strip array is disposed on the side of the bracket away from the heat insulation layer, and the magnetic strip array is arranged correspondingly to the coil.

13. The heating device according to any one of claims 1 to 11, characterized in that, The heat insulation layer includes: An aerogel layer is disposed on one side of the support; A silica layer is disposed on the side of the aerogel layer away from the support, and the coil is disposed on the silica layer.

14. A cooking appliance, characterized in that, include: At least one heating device as claimed in any one of claims 1 to 13.

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