Heating assembly and oven

Abstract

The utility model relates to the technical field of household appliances, and discloses a heating assembly, which comprises a base material; the conductive heating layer is arranged on the base material, the conductive heating layer comprises a middle heating layer located in the middle area and a peripheral heating layer located in the peripheral area, the middle heating layer has first heating power, the peripheral heating layer has second heating power, and the second heating power is larger than the first heating power. According to the heating assembly provided by the utility model, the heating uniformity of the to-be-heated article is improved, and the problem that in the heating process of the to-be-heated article, the intermediate cooking speed is high, and the corner cooking speed is low is solved. The invention further discloses the oven.

Description

Technical Field

[0001] The present application relates to the technical field of household electrical appliances, for example, to a heating component and an oven. Background Art

[0002] An oven is a kitchen appliance that uses the heat radiation emitted by a heating component to bake food. It can be used to make bread, cakes, biscuits and other pasta, and can also be used to bake meat. The oven has gradually become a very important cooking appliance in the family kitchen.

[0003] For example, an existing oven includes a box body, a rack and a graphene heating device. The graphene heating device heats the items to be heated on the rack.

[0004] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art:

[0005] The existing graphene heating technology has the problem that the temperature at the center of the heat source is high and it is facing the middle food, so the radiation coefficient is large and it is easy to absorb heat. Therefore, it is easy for the middle food to cook faster and the corner food to cook slower.

[0006] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0007] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0008] An embodiment of the present disclosure provides a heating component, comprising: a substrate; and a conductive heating layer, which is arranged on the substrate, the conductive heating layer comprising an intermediate heating layer located in a middle area, and a peripheral heating layer located in a peripheral area, the intermediate heating layer has a first heating power, and the peripheral heating layer has a second heating power, wherein the second heating power is greater than the first heating power.

[0009] In some optional embodiments, the conductive heating layer includes a plurality of heating zones disposed at intervals.

[0010] In some optional embodiments, at least some of the multiple heating zones are connected in series; or, at least some of the multiple heating zones are connected in parallel.

[0011] In some optional embodiments, the multiple heating zones include a first heating zone and a second heating zone disposed adjacent to each other, wherein the power supplied to the second heating zone is greater than the power supplied to the first heating zone; or, the area of ​​the second heating zone is greater than the area of ​​the first heating zone.

[0012] In some optional embodiments, the multiple heating zones include a first heating zone and a second heating zone, and there are E heating zones between the first heating zone and the second heating zone, E≥1, wherein the power supplied to the first heating zone is equal to the power supplied to the second heating zone; or, the area of ​​the first heating zone is equal to the area of ​​the second heating zone.

[0013] In some optional embodiments, the intermediate heating layer and the peripheral heating layer are spaced apart.

[0014] In some optional embodiments, the middle heating layer includes a third heating zone and a fourth heating zone that are adjacent to each other, and the outer heating layer includes a fifth heating zone arranged outside the third heating zone, and a sixth heating zone arranged outside the fourth heating zone, wherein the power supplied to the third heating zone is greater than the power supplied to the fourth heating zone; or, the area of ​​the third heating zone is greater than the area of ​​the fourth heating zone; or, the power supplied to the fifth heating zone is greater than the power supplied to the sixth heating zone; or, the area of ​​the fifth heating zone is greater than the area of ​​the sixth heating zone.

[0015] In some optional embodiments, the middle heating layer includes a third heating zone and a fourth heating zone, with M heating zones interspaced between the third heating zone and the fourth heating zone, the outer heating layer includes a fifth heating zone and a sixth heating zone, and N heating zones interspaced between the fifth heating zone and the sixth heating zone, and M≥1, N≥1, wherein the power supplied to the third heating zone is equal to the power supplied to the fourth heating zone; or, the area of ​​the third heating zone is equal to the area of ​​the fourth heating zone; or, the power supplied to the fifth heating zone is equal to the power supplied to the sixth heating zone; or, the area of ​​the fifth heating zone is equal to the area of ​​the sixth heating zone.

[0016] In some optional embodiments, the heating component also includes a thermal insulation layer covering the conductive heating layer, wherein the conductive heating layer includes a conductive coating structure; and / or the conductive heating layer includes a graphene heating layer, a graphite heating layer or a carbon fiber heating layer; and / or the substrate includes a microcrystalline glass substrate; and / or the thermal insulation layer includes a polyurethane insulation board or a vacuum insulation board.

[0017] An embodiment of the present disclosure provides an oven, comprising: a box body, enclosing a heating cavity; a heating component, disposed in the heating cavity, for heating an item to be heated disposed in the heating cavity, wherein the heating component is the heating component as described above.

[0018] The embodiments of the present disclosure provide a heating component and an oven, which can achieve the following technical effects:

[0019] The heating assembly provided in the embodiment of the present disclosure includes a substrate and a conductive heating layer disposed on the substrate. The conductive heating layer includes an intermediate heating layer located in the intermediate area and a peripheral heating layer located in the peripheral area, and the intermediate heating layer has a first heating power, and the peripheral heating layer has a second heating power. The second heating power is greater than the first heating power.

[0020] It can be seen that in the heating component provided by the embodiment of the present disclosure, the second heating power of the outer heating layer is greater than the first heating power of the middle heating layer. In this way, the heating power of the outer heating layer is larger, and the heating power of the middle heating layer is relatively smaller, thereby avoiding the problem that the middle food is cooked quickly and the corner food is cooked slowly due to the high temperature at the center of the heat source, thereby improving the uniformity of the food preparation process.

[0021] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Devices with the same reference numerals in the drawings are shown as similar devices, and the drawings do not constitute a scale limitation, and wherein:

[0023] Figure 1 is a schematic diagram of a heating assembly provided by an embodiment of the present disclosure;

[0024] Figure 2 is a schematic diagram of another heating assembly provided by an embodiment of the present disclosure;

[0025] Figure 3 is a schematic diagram of another heating assembly provided by an embodiment of the present disclosure;

[0026] Figure 4 is a schematic diagram of another heating assembly provided by an embodiment of the present disclosure;

[0027] Figure 5 is a schematic diagram of another heating assembly provided by an embodiment of the present disclosure;

[0028] Figure 6 is a schematic diagram of another heating assembly provided by an embodiment of the present disclosure;

[0029] Figure 7 is a schematic diagram of another heating assembly provided by an embodiment of the present disclosure;

[0030] Figure 8 is a schematic diagram of another heating assembly provided by an embodiment of the present disclosure;

[0031] Fig. 9 is a schematic diagram of another heating assembly provided by an embodiment of the present disclosure;

[0032] Fig.10 is a schematic diagram of another heating assembly provided by an embodiment of the present disclosure;

[0033] Fig.11 is a schematic diagram of another heating assembly provided by an embodiment of the present disclosure;

[0034] Fig.12 is a schematic diagram of another heating assembly provided by an embodiment of the present disclosure;

[0035] Fig.13 is a schematic diagram of another heating assembly provided by an embodiment of the present disclosure;

[0036] Fig.14 is a structural schematic diagram of an oven or cooking device provided by an embodiment of the present disclosure;

[0037] Fig.15 is a schematic diagram of a fixing plate provided in an embodiment of the present disclosure;

[0038] Fig.16 is a schematic diagram of another fixing plate provided by an embodiment of the present disclosure;

[0039] Fig.17 is a schematic diagram of another fixing plate provided by an embodiment of the present disclosure;

[0040] Fig.18 is a schematic diagram of another fixing plate provided by an embodiment of the present disclosure;

[0041] Fig.19 is a cross-sectional view of a fixing plate provided in an embodiment of the present disclosure;

[0042] Fig. 20 yes Fig.19 Enlarged view of selected portion.

[0043] Reference numerals:

[0044] 100: heating component;

[0045] 1: Base material;

[0046] 200: preset dividing line;

[0047] 2: conductive heating layer; 21: first heating zone; 22: second heating zone; 23: third heating zone; 24: fourth heating zone; 25: fifth heating zone; 26: sixth heating zone;

[0048] 211: peripheral heating circuit; 2111: third peripheral heating section; 2112: second peripheral heating section; 2113: first peripheral heating section; 212: intermediate heating circuit; 2121: third intermediate heating section; 2122: second intermediate heating section; 2123: first intermediate heating section;

[0049] 3: Insulation layer;

[0050] 4: Insulation packaging layer;

[0051] 5: Oven;

[0052] 6: fixing plate; 601: inner plate surface; 602: outer plate surface; 61: groove; 611: supporting table surface; 6111: second supporting surface; 612: hollow part; 62: reflecting inclined surface; 63: transition arc surface; 631: inner arc edge; 632: outer arc edge. DETAILED DESCRIPTION

[0053] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0054] The terms "first", "second", etc. in the specification and claims of the disclosed embodiments and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate to describe the disclosed embodiments here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0055] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, components or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0056] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0057] Unless otherwise stated, the term "plurality" means two or more.

[0058] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0059] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0060] The embodiment of the present disclosure provides a heating component 100, comprising a substrate 1 and a conductive heating layer 2. The conductive heating layer 2 is disposed on the substrate 1, and the conductive heating layer 2 comprises an intermediate heating layer located in the intermediate region, and a peripheral heating layer located in the peripheral region, the intermediate heating layer has a first heating power, and the peripheral heating layer has a second heating power, wherein the second heating power is greater than the first heating power.

[0061] The existing heating assembly 100 with a heating layer has a problem that the temperature of the heat source center is high and directly faces the middle food, causing the middle food to cook quickly and the corner food to cook slowly. Research has found that the problem occurs because the heating layer is evenly arranged in the heating assembly 100.

[0062] Based on this, in the heating component 100 provided by the present solution, the conductive heating layer 2 is divided into a middle area and a peripheral area arranged outside the middle area. The middle heating layer located in the middle area can generate a first heating power, and the peripheral heating layer located in the peripheral area can generate a second heating power, and the second heating power is greater than the first heating power. In this way, the heating power of the peripheral heating layer is greater than the heating power of the middle heating layer, which overcomes the problem that the center temperature of the heat source facing the food of the heating component 100 is high, resulting in the middle food being cooked quickly while the corner food being cooked slowly, and improves the uniformity of food heating.

[0063] The conductive heating layer 2 of the heating component 100 can be divided into regions to obtain a middle region and a peripheral region. The method for dividing the conductive heating layer 2 into regions can be, when the conductive heating layer 2 is circular, find the center and radius of the circle, draw a circular preset dividing line 200 at 1 / 2 of the radius, then the inside of the preset dividing line 200 is the middle region, and the outside of the preset dividing line 200 is the peripheral region. When the conductive heating layer 2 is other shapes, a similar method can be used to find the center of the shape, and from each point on the outer edge of the shape to 1 / 2 of the center, multiple preset points located at 1 / 2 will be obtained, and multiple preset points at 1 / 2 will be connected to obtain the preset dividing line 200, then the inside of the preset dividing line 200 is the middle region, and the outside of the preset dividing line 200 is the peripheral region.

[0064] Optionally, there may be no clear boundary between the middle heating layer and the peripheral heating layer, such as Figure 2 and Figure 3 The heating assembly 100 shown. Optionally, the middle heating layer and the peripheral heating layer can also be spaced apart, such as Figures 4 to 7 The heating assembly 100 is shown.

[0065] Optionally, the heating power of the middle heating layer and the peripheral heating layer is related to parameters such as the effective coating area of ​​the heating layer and the power of the heating layer. For example, when the power is the same, the area of ​​the middle heating layer is smaller than the area of ​​the peripheral heating layer, so that the second heating power can be greater than the first heating power; or, when the areas of the two heating layers are the same, the power of the peripheral heating layer is greater than the power of the middle heating layer, so that the second heating power can also be greater than the first heating power.

[0066] Optionally, the conductive heating layer 2 comprises a plurality of heating zones arranged at intervals.

[0067] The conductive heating layer 2 is divided into a plurality of heating zones arranged at intervals. In this way, the heating power of the heating component 100 can be adjusted by setting the shape of the heating zone, setting the power of the power supplied, and setting the series or parallel connection between different heating zones, so that the heating power of each zone of the heating component 100 meets the requirements of heating uniformity.

[0068] Optionally, the same heating zone can be located in both the middle heating layer and the peripheral heating layer. In this case, the area located in the middle heating layer is smaller than the area located in the peripheral heating layer. Figure 2 and Figure 3 shown.

[0069] Optionally, the heating zone is a trapezoid or a triangle, etc., and a plurality of heating zones are arranged around the center. Optionally, the shape formed by the combination of the plurality of heating zones can be a circle, annular, rectangular, polygonal, fan-shaped, triangular, etc.

[0070] Optionally, at least some of the multiple heating zones are connected in series; or, at least some of the multiple heating zones are connected in parallel.

[0071] The following is an example of 9 heating zones. 5 of the 9 heating zones are connected in series, the remaining 4 heating zones are connected in series, and then the two series groups are connected in parallel; or 5 of the 9 heating zones are connected in parallel, the remaining 4 heating zones are connected in parallel, and then the two parallel groups are connected in series. It can be understood that there are many ways to connect multiple heating zones in series or in parallel, and the connection mode of multiple heating zones in series or in parallel can be set according to the actual heating capacity requirements.

[0072] Optionally, the multiple heating zones include a first heating zone 21 and a second heating zone 22 that are adjacently arranged, wherein the power supplied to the second heating zone 22 is greater than the power supplied to the first heating zone 21 ; or, the area of ​​the second heating zone 22 is greater than the area of ​​the first heating zone 21 .

[0073] The adjacent first heating zone 21 and the second heating zone 22 have different energizing powers or different areas. Thus, different heating zones can be energized according to actual baking requirements, thereby achieving different heating powers. Figure 2 shown.

[0074] Optionally, the multiple heating zones include a first heating zone 21 and a second heating zone 22, and there are E heating zones between the first heating zone 21 and the second heating zone 22, E ≥ 1, wherein the power supplied to the first heating zone 21 is equal to the power supplied to the second heating zone 22; or, the area of ​​the first heating zone 21 is equal to the area of ​​the second heating zone 22.

[0075] There are E heating zones between the first heating zone 21 and the second heating zone 22, and the first heating zone 21 and the second heating zone 22 separated by the heating zones have the same power or area, so that the heating component 100 can achieve regular gear adjustment. Figure 3 shown.

[0076] Optionally, the middle heating layer and the peripheral heating layer are spaced apart.

[0077] The intermediate heating layer and the peripheral heating layer are spaced apart, so that the intermediate heating layer and the peripheral heating layer can be divided into heating zones respectively to obtain more heating zones. Optionally, the intermediate heating layer includes multiple heating zones, and the peripheral heating layer includes multiple heating zones corresponding to the heating zones of the intermediate heating layer one by one, such as Figures 4 to 7 shown.

[0078] Optionally, the middle heating layer includes a third heating zone 23 and a fourth heating zone 24 arranged adjacent to each other, and the peripheral heating layer includes a fifth heating zone 25 arranged outside the third heating zone 23, and a sixth heating zone 26 arranged outside the fourth heating zone 24, wherein the power of the third heating zone 23 is greater than the power of the fourth heating zone 24; or, the area of ​​the third heating zone 23 is greater than the area of ​​the fourth heating zone 24; or, the power of the fifth heating zone 25 is greater than the power of the sixth heating zone 26; or, the area of ​​the fifth heating zone 25 is greater than the area of ​​the sixth heating zone 26. Figure 4 shown.

[0079] The third heating zone 23 and the fourth heating zone 24 are adjacently arranged in the middle heating layer. In the two adjacent heating zones, the power of the third heating zone 23 is greater than the power of the fourth heating zone 24, or the area of ​​the third heating zone 23 is greater than the area of ​​the fourth heating zone 24. In this way, the power of different heating zones in the middle heating layer can be controlled according to the actual baking requirements, thereby achieving different heating powers. Similarly, the fifth heating zone 25 and the sixth heating zone 26 are adjacently arranged in the peripheral heating layer. In the two adjacent heating zones, the power of the fifth heating zone 25 is greater than the power of the sixth heating zone 26, or the area of ​​the fifth heating zone 25 is greater than the area of ​​the sixth heating zone 26. In this way, the power of different heating zones in the peripheral heating layer can be controlled according to the actual baking requirements, thereby achieving different heating powers.

[0080] Optionally, the middle heating layer includes a third heating zone 23 and a fourth heating zone 24, and there are M heating zones between the third heating zone 23 and the fourth heating zone 24, and the outer heating layer includes a fifth heating zone 25 and a sixth heating zone 26, and there are N heating zones between the fifth heating zone 25 and the sixth heating zone 26, and M≥1, N≥1, wherein the power of the third heating zone 23 is equal to the power of the fourth heating zone 24; or, the area of ​​the third heating zone 23 is equal to the area of ​​the fourth heating zone 24; or, the power of the fifth heating zone 25 is equal to the power of the sixth heating zone 26; or, the area of ​​the fifth heating zone 25 is equal to the area of ​​the sixth heating zone 26. Figure 5 shown.

[0081] The middle heating layer is provided with a third heating zone 23 and a fourth heating zone 24 separated by heating zones, and the third heating zone 23 and the fourth heating zone 24 separated by heating zones have the same power or the same area, so that the heating component 100 can achieve regular gear adjustment. Similarly, the peripheral heating layer is provided with a fifth heating zone 25 and a sixth heating zone 26 separated by heating zones, and the fifth heating zone 25 and the sixth heating zone 26 separated by heating zones have the same power or the same area, so that the heating component 100 can achieve regular gear adjustment.

[0082] Optionally, the heating component 100 also includes a thermal insulation layer 3 covering the conductive heating layer 2, wherein the conductive heating layer 2 includes a conductive coating structure; and / or the conductive heating layer 2 includes a graphene heating layer, a graphite heating layer or a carbon fiber heating layer; and / or the substrate 1 includes a microcrystalline glass substrate 1; and / or the thermal insulation layer 3 includes a polyurethane insulation board or a vacuum insulation board.

[0083] The conductive heating layer 2 is insulated and packaged by a high temperature resistant insulating infrared transparent substrate 1 and a high temperature resistant insulating heat insulating layer 3. Figure 1 When the conductive heating layer 2 is powered on, it generates heat. On the one hand, the heat is transferred to the air in the heating chamber of the oven 5 through the infrared-transmitting substrate 1, and the food is heated by heat conduction and convection of the air. At the same time, the heat energy generated directly heats the food in a radiation manner.

[0084] The high temperature resistant infrared transparent insulating substrate 1 is a material with high infrared transmittance, insulation and high temperature resistance, and can be microcrystalline glass. In addition, the currently available infrared transparent materials include single crystal, polycrystalline, glass, ceramic, plastic, diamond, diamond-like carbon and the like.

[0085] The conductive heating layer 2 is a heat source, which is converted into heat energy after being energized. Thick film heating technology can be used, such as using high temperature resistant light-transmitting microcrystalline glass as substrate 1, using micro powder and adhesive solvent to combine superconducting ceramic materials into slurry, using screen printing technology to print the slurry in the form of a pattern on substrate 1, and sintering and insulating and sealing through strict heat treatment process. Or use graphene coating, the carbon molecules in the graphene coating generate phonons, electrons and ions in the resistor, and the generated carbon molecular groups generate heat energy by Brownian motion, or use graphite coating, carbon fiber, etc.

[0086] Optionally, the thermal insulation layer 3 is made of a material with low infrared transmittance, insulation, and high temperature resistance, such as a vacuum insulation panel or a polyurethane insulation panel.

[0087] The heating component 100 provided in the embodiment of the present disclosure improves the heating uniformity by designing the layout of the conductive heating layer 2, so that the second heating power of the peripheral heating layer is greater than the first heating power of the middle heating layer. Furthermore, by designing the layout of the conductive heating layer 2, controlling whether different heating zones are powered on or the power level, the electrical connection method, the logic control, etc., the heating component 100 can achieve different heating capacities according to the needs of the food.

[0088] The embodiment of the present disclosure also provides an oven 5.

[0089] The oven 5 includes a box body and a heating assembly 100. The box body encloses a heating cavity, and the heating assembly 100 is disposed in the heating cavity for heating the object to be heated disposed in the heating cavity, wherein the heating assembly 100 is the heating assembly 100 as described above.

[0090] The use of the aforementioned heating assembly 100 improves the heating uniformity of the items to be heated in the oven 5 .

[0091] The embodiment of the present disclosure also provides another heating assembly 100 .

[0092] Optionally, the heating component 100 includes a substrate 1 and a conductive heating layer 2. The conductive heating layer 2 is disposed on the substrate 1, and the conductive heating layer 2 is a conductive heating circuit structure, and the conductive heating layer 2 includes an intermediate heating circuit 212 located in the intermediate area, and a peripheral heating circuit 211 located in the peripheral area, the intermediate heating circuit 212 has a first heating power, and the peripheral heating circuit 211 has a second heating power, wherein the second heating power is greater than the first heating power.

[0093] In the heating component 100 provided in the embodiment of the present disclosure, the conductive heating layer 2 is arranged in the form of a circuit wiring structure. For example, the slurry can be printed on the substrate 1 in the form of circuit wiring using screen printing technology. Among them, the middle heating circuit 212 has a first heating power, the peripheral heating circuit 211 has a second heating power, and the second heating power is greater than the first heating power. In this way, the heating power generated by the second heating circuit located at the periphery is greater, which overcomes the problem that the center temperature of the heat source of the heating component 100 facing the food is high, resulting in the middle food being cooked quickly while the corner food being cooked slowly, thereby improving the uniformity of food heating. Fig. 9 shown.

[0094] It can be understood that the division method of the middle area and the peripheral area is the same as described above and will not be repeated here.

[0095] Optionally, the total length of the peripheral heating circuit 211 is greater than the total length of the intermediate heating circuit 212; or, the width of at least part of the line segment of the peripheral heating circuit 211 is greater than the width of at least part of the line segment of the intermediate heating circuit 212; or, the total area of ​​the peripheral heating circuit 211 is greater than the total area of ​​the intermediate heating circuit 212.

[0096] Optionally, when the width of the peripheral heating circuit 211 is the same as that of the intermediate heating circuit 212, the total length of the peripheral heating circuit 211 is greater than the total length of the intermediate heating circuit 212, so that the second heating power is greater than the first heating power; or, when the length of the peripheral heating circuit 211 is the same as that of the intermediate heating circuit 212, the width of at least part of the line section of the peripheral heating circuit 211 is greater than the width of at least part of the line section of the intermediate heating circuit 212, so that the second heating power is greater than the first heating power; or, the total area of ​​the peripheral heating circuit 211 is greater than the total area of ​​the intermediate heating circuit 212, so that the second heating power is greater than the first heating power, thereby improving the uniformity of heating the food.

[0097] Optionally, the middle heating circuit 212 and the peripheral heating circuit 211 are intermittently arranged.

[0098] like Figures 9 to 12 As shown, the middle heating circuit 212 and the peripheral heating circuit 211 are discontinuous and are intermittently arranged. In this way, different energizing powers can be set for the middle heating circuit 212 and the peripheral heating circuit 211, thereby adjusting the heating capacity of the heating assembly 100.

[0099] Optionally, the middle heating circuit 212 and the peripheral heating circuit 211 are arranged continuously, such as Fig.13 shown.

[0100] Optionally, the intermediate heating circuit 212 includes a plurality of intermediate heating zones disposed at intervals; and / or the peripheral heating circuit 211 includes a plurality of peripheral heating zones disposed at intervals.

[0101] like Fig.12 As shown, the middle heating circuit 212 includes three middle heating zones arranged around the center, and the peripheral heating circuit 211 includes three peripheral heating zones arranged around the center, and the three peripheral heating zones are arranged outside the three middle heating zones in a one-to-one correspondence. Optionally, the circuit length of each middle heating zone is shorter than the circuit length of the peripheral heating zone. Optionally, the circuit lengths of the three middle heating zones are the same, and similarly, the circuit lengths of the three peripheral heating zones are the same.

[0102] Optionally, the peripheral heating circuit 211 includes a first peripheral heating segment 2113 and a second peripheral heating segment 2112 that are adjacent to each other, and the spacing between the first peripheral heating segment 2113 and the second peripheral heating segment 2112 is a first spacing, and the intermediate heating circuit 212 includes a first intermediate heating segment 2123 and a second intermediate heating segment 2122 that are adjacent to each other, and the spacing between the first intermediate heating segment 2123 and the second intermediate heating segment 2122 is a second spacing, wherein the first spacing is smaller than the second spacing.

[0103] like Fig.10 As shown, the peripheral heating circuit 211 includes a first peripheral heating section 2113 and a second peripheral heating section 2112 that are adjacent to each other. It can be understood that the first peripheral heating section 2113 and the second peripheral heating section 2112 can be connected. The intermediate heating circuit 212 includes a first intermediate heating section 2123 and a second intermediate heating section 2122 that are adjacent to each other. Similarly, the first intermediate heating section 2123 and the second intermediate heating section 2122 can be connected. In the embodiment of the present disclosure, the first spacing is smaller than the second spacing, so that the second heating power is greater than the first heating power.

[0104] Optionally, the first intermediate heating section 2123, the second intermediate heating section 2122, the first peripheral heating section 2113, and the second peripheral heating section 2112 are arranged in sequence from the middle to the periphery, wherein along the direction from the middle to the periphery, the distance between two adjacent heating lines of the first intermediate heating section 2123, the second intermediate heating section 2122, the first peripheral heating section 2113, and the second peripheral heating section 2112 gradually decreases.

[0105] From the middle to the periphery, the spacing between adjacent heating ends gradually decreases, so that the heating sections in the peripheral heating circuit 211 are more compact and the heating sections in the middle heating circuit 212 are more sparse, thereby achieving that the second heating power is greater than the first heating power.

[0106] Optionally, the peripheral heating circuit 211 also includes a third peripheral heating segment 2111 arranged adjacent to the second peripheral heating segment 2112, and the first peripheral heating segment 2113, the second peripheral heating segment 2112 and the third peripheral heating segment 2111 are arranged in sequence from the middle to the periphery, wherein along the direction from the middle to the periphery, the distance between two adjacent heating lines of the first peripheral heating segment 2113, the second peripheral heating segment 2112 and the third peripheral heating segment 2111 gradually decreases.

[0107] In the peripheral heating circuit 211 , the heating sections closer to the outside are arranged more closely, so that the heating power of the heating sections closer to the outside of the peripheral heating circuit 211 is greater, further improving the heating uniformity of the heating component 100 .

[0108] Optionally, the intermediate heating circuit 212 also includes a third intermediate heating section 2121 arranged adjacent to the second intermediate heating section 2122, and the first intermediate heating section 2123, the second intermediate heating section 2122 and the third intermediate heating section 2121 are arranged in sequence from the middle to the periphery, wherein along the direction from the middle to the periphery, the distance between two adjacent heating lines of the first intermediate heating section 2123, the second intermediate heating section 2122 and the third intermediate heating section 2121 gradually decreases.

[0109] In the middle heating circuit 212 , the heating segments closer to the center are arranged more sparsely, so that the heating power of the heating segments closer to the center of the middle heating circuit 212 is smaller, further improving the heating uniformity of the heating component 100 .

[0110] Optionally, the heating component 100 also includes a thermal insulation layer 3 covering the conductive heating layer 2, wherein the conductive heating layer 2 includes a graphene heating layer or a carbon fiber heating layer; and / or the substrate 1 includes a microcrystalline glass substrate 1; and / or the thermal insulation layer 3 includes a polyurethane insulation board or a vacuum insulation board.

[0111] It is understandable that the embodiments of the heating assembly 100 in the embodiment of the present disclosure regarding the heat insulating layer 3, the conductive heating layer 2, the substrate 1, and the packaging method can be the same as those described above, and will not be described in detail here.

[0112] Optionally, the embodiment of the present disclosure provides a cooking device, which may also be referred to as an oven 5, comprising a housing and a heating assembly 100. The housing encloses a heating cavity; the heating assembly 100 is disposed in the heating cavity, and is used to heat an object to be heated disposed in the heating cavity, wherein the heating assembly 100 is the heating assembly 100 described above.

[0113] The use of the aforementioned heating assembly 100 improves the heating uniformity of the items to be heated in the cooking device.

[0114] The embodiment of the present disclosure also provides an oven 5 . It can be understood that the structure of the cooking device can be the same as that of the oven 5 .

[0115] Optionally, the oven 5 includes a box, a heating assembly 100 and a fixing plate 6. The box encloses a heating cavity, the heating assembly 100 is disposed in the heating cavity, and is used to heat the items to be heated disposed in the heating cavity, and the fixing plate 6 is installed in the box. The fixing plate 6 is provided with a groove 61, and the heating assembly 100 is disposed in the groove 61.

[0116] A groove 61 is opened on the fixing plate 6, the heating component 100 is embedded in the groove 61, and the heating component 100 is fixedly connected to the fixing plate 6 by screws or the like. Then, the fixing plate 6 provided with the heating component 100 is assembled on the top of the oven 5, and the fixing plate 6 is fixed to the top of the oven 5 by screws or the like.

[0117] Optionally, the fixing plate 6 includes an inner plate surface 601 facing the heating chamber, and an outer plate surface 602 opposite to the inner plate surface 601, wherein the groove 61 is provided on the outer plate surface 602. Moreover, a support table 611 for supporting the heating assembly 100 is provided at the bottom of the groove 61, and the support table 611 is provided with a hollow portion 612.

[0118] The groove 61 is opened from one side of the outer plate 602, and a support table 611 is provided at the bottom of the groove 61. The support table 611 is arranged around the inner circle of the groove 61, and can provide support for the installation of the heating component 100. Further, the support table 611 is also provided with a hollow portion 612, so that the heat generated by the heating component 100 can be dissipated into the heating cavity through the hollow portion 612. Optionally, the width of the support table 611 should not be too large, otherwise the area of ​​the hollow portion 612 is reduced, affecting the heating effect of the heating component 100 on the heating cavity.

[0119] Optionally, a reflective inclined surface 62 is provided on the inner surface 601 of the fixing plate 6 .

[0120] The reflective slope 62 is opened inward from the inner plate surface 601 of the fixing plate 6, thus enhancing the reflection effect, irradiating the radiation energy of the heating component 100 onto the object to be heated more effectively, and improving the heating effect of the heating component 100 on the object to be heated.

[0121] Optionally, the support table 611 includes a first support surface supporting the heating assembly 100 , and a second support surface 6111 opposite to the first support surface, wherein a transition arc surface 63 is further provided between the second support surface 6111 and the reflective inclined surface 62 .

[0122] A transition arc surface 63 is further provided between the second supporting surface 6111 and the reflective inclined surface 62 , so that, under the action of the transition arc surface 63 , the reflective effect of the reflective inclined surface 62 can be made more uniform without causing the phenomenon of light focusing.

[0123] Optionally, the transition arc surface 63 includes an inner arc edge 631 connected to the second support surface 6111 and an outer arc edge 632 connected to the reflective bevel 62, wherein the transition arc surface 63 is circumferentially arranged around the outer edge of the second support surface 6111, and the reflective bevel 62 is circumferentially arranged around the outer arc edge 632.

[0124] The transition arc surface 63 is circumferentially arranged around the outer edge of the second support surface 6111, and the reflection slope 62 is circumferentially arranged around the outer arc edge 632, so that the transition arc surface 63 and the reflection slope 62 are roughly trumpet-shaped, such as Figures 17 to 20 In this way, the transition arc surface 63 and the reflective slope 62 can form a reflective effect arranged around the heating component 100, further improving the reflection uniformity of the heat of the heating component 100.

[0125] Optionally, along the direction from the inner arc edge 631 to the outer arc edge 632 , the angle between the transition arc surface 63 and the vertical direction gradually decreases; and / or the inclination angle of the reflection slope 62 is the same as the inclination angle of the tangent line of the outer arc edge 632 .

[0126] Optionally, the tangent line of the inner arc edge 631 can be a horizontal line, and the angle between the tangent line of the outer arc edge 632 and the vertical direction can be 45° to 60°. In this way, along the direction from the inner arc edge 631 to the outer arc edge 632, the angle between different positions of the transition arc surface 63 and the vertical direction gradually decreases. The inclination angle of the reflection bevel 62 is the same as the inclination angle of the tangent line of the outer arc edge 632, so that the connection between the reflection bevel 62 and the transition arc surface 63 is smoother, and the reflection uniformity of the heat of the heating component 100 by the reflection bevel 62 and the transition arc surface 63 is improved.

[0127] Optionally, the oven 5 or cooking device provided in the embodiment of the present disclosure includes the heating component 100 as described above. The embodiments of the heating component 100 described above can all be used in the oven 5 or cooking device and will not be described in detail here.

[0128] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A heating component, characterized in that: include: Base material; and, The conductive heating layer is arranged on the substrate, and the conductive heating layer includes an intermediate heating layer located in the intermediate area and a peripheral heating layer located in the peripheral area, the intermediate heating layer has a first heating power, and the peripheral heating layer has a second heating power, The second heating power is greater than the first heating power.

2. The heating assembly according to claim 1, characterized in that The conductive heating layer includes a plurality of heating zones arranged at intervals.

3. The heating assembly according to claim 2, characterized in that At least some of the plurality of heating zones are connected in series; or, At least some of the plurality of heating zones are connected in parallel.

4. The heating assembly according to claim 2, characterized in that: The plurality of heating zones include a first heating zone and a second heating zone disposed adjacent to each other, wherein: The power supplied to the second heating zone is greater than the power supplied to the first heating zone; or The area of ​​the second heating zone is larger than that of the first heating zone.

5. The heating assembly according to claim 2, characterized in that: The plurality of heating zones include a first heating zone and a second heating zone, and there are E heating zones between the first heating zone and the second heating zone, where E≥1, wherein: The power supplied to the first heating zone is equal to the power supplied to the second heating zone; or The area of ​​the first heating zone is equal to the area of ​​the second heating zone.

6. The heating assembly according to claim 1, characterized in that The middle heating layer and the outer heating layer are arranged at intervals.

7. The heating assembly according to claim 6, characterized in that The middle heating layer includes a third heating zone and a fourth heating zone arranged adjacent to each other, and the peripheral heating layer includes a fifth heating zone arranged outside the third heating zone, and a sixth heating zone arranged outside the fourth heating zone, wherein: The power supplied to the third heating zone is greater than the power supplied to the fourth heating zone; or The area of ​​the third heating zone is greater than the area of ​​the fourth heating zone; or, The power supplied to the fifth heating zone is greater than the power supplied to the sixth heating zone; or, The area of ​​the fifth heating zone is greater than the area of ​​the sixth heating zone.

8. The heating assembly according to claim 6, characterized in that The middle heating layer includes a third heating zone and a fourth heating zone, and there are M heating zones between the third heating zone and the fourth heating zone. The outer heating layer includes a fifth heating zone and a sixth heating zone, and there are N heating zones between the fifth heating zone and the sixth heating zone, and M≥1, N≥1, wherein, The power supplied to the third heating zone is equal to the power supplied to the fourth heating zone; or The area of ​​the third heating zone is equal to the area of ​​the fourth heating zone; or, The power supplied to the fifth heating zone is equal to the power supplied to the sixth heating zone; or, The area of ​​the fifth heating zone is equal to the area of ​​the sixth heating zone.

9. The heating assembly according to any one of claims 1 to 8, characterized in that: The heating assembly also includes a heat insulating layer covering the conductive heating layer, wherein: The conductive heating layer comprises a conductive coating structure; and / or, The conductive heating layer comprises a graphene heating layer, a graphite heating layer or a carbon fiber heating layer; and / or, The substrate comprises a glass-ceramic substrate; and / or, The thermal insulation layer includes polyurethane insulation panels or vacuum insulation panels.

10. An oven, characterized in that: include: A box body encloses a heating chamber; The heating component is arranged in the heating chamber and is used to heat the object to be heated arranged in the heating chamber. Wherein, the heating component is the heating component described in any one of claims 1 to 9.

Images