Heating panel and interior trim part

By designing a heating panel composed of heating carbon material and metal electrode layer in a vehicle, the problems of slow heating effect and large energy consumption of air conditioners are solved, and the heating effect with high efficiency and low energy consumption is achieved, and manufacturing costs are reduced.

CN222928513UActive Publication Date: 2025-05-30FAURECIA AUTOMOTIVE INTERIOR SYSTEM (SHANGHAI)
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Patent Information

Application Number
CN202420959871.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-05-30
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

Among existing transportation vehicles, the heating effect of air conditioners is slow, there are blind spots for heating, which consumes a lot of energy, affects the range of electric vehicles, and generates noise, which may cause dryness and discomfort on the passenger's face and eyes.

Method used

A heating panel is designed, including a decorative layer and a heating structure. The heating structure consists of a heating layer formed by a heating carbon material and an electrode layer formed by metal. By setting structural boundaries and regional boundaries, the design of heating partitions is optimized, the amount of metal is used is reduced, and the heating uniformity is improved.

Benefits of technology

It realizes a high-efficiency and low-energy heating solution, reduces the manufacturing cost of heating panels, ensures heating uniformity, and meets the needs of agile product development.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a heating panel and an interior trim part. Wherein the heating panel comprises a decorative layer, and the decorative layer is provided with an outer surface and an inner surface; the heating structure comprises a heating layer and an electrode layer, and the heating structure is located on the inner side of the decoration layer; wherein the heating layer is made of a heating carbon material, and the electrode layer is made of metal; the heating layer comprises a plurality of heating subareas, the electrode layer comprises structural boundaries, the structural boundaries limit the boundaries of the electrode layer, the electrode layer further comprises regional boundaries, and the spaces between the adjacent regional boundaries limit the heating subareas.
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Description

Technical Field

[0001] This application relates to a heating panel and an interior trim part. Background Art

[0002] In current means of transportation, such as vehicles, heating for passengers is achieved through the vehicle's air conditioner. However, the heating effect of the vehicle air conditioner on passengers takes effect relatively slowly, especially there are blind spots in heating some parts of the body, and the energy consumption for heating is relatively large, especially having a certain impact on the driving range of electric vehicles.

[0003] Moreover, the air conditioner heating solution will generate a certain amount of noise, and the hot air flow from the air conditioner heating may also cause dry discomfort to the passengers' faces and eyes.

[0004] In the prior art, for example, in the Chinese invention patent application publication document with the publication number CN117657012A, titled "An Interior Trim Part for a Motor Vehicle and a Motor Vehicle Comprising the Interior Trim Part", and the publication date of March 8, 2024, there is disclosed an interior trim part and a heating panel included therein. The interior trim part includes: a light-transmitting decorative layer having an outer surface and an inner surface; a heating layer including heating elements extending in the plane of the heating layer, wherein the heating elements are formed by screen-printing at least one of graphene, carbon nanotubes, carbon nanotubes, carbon fibers on the inner surface side of the decorative layer. The heating layer further includes electrodes, and the electrodes are formed by screen-printing silver ink or copper ink on the upper side or the lower side of the heating layer.

[0005] In some actual application scenarios, there is a need to further reduce the manufacturing cost of the heating panel. Summary of the Utility Model

[0006] The purpose of this application is to provide a heating panel.

[0007] The purpose of this application is also to provide an interior trim part.

[0008] A heating panel according to the first aspect of this application includes a decorative layer having an outer surface and an inner surface; and a heating structure including a heating layer and an electrode layer, the heating structure being located inside the decorative layer; wherein, the heating layer is formed of a heating carbon material, the electrode layer is formed of a metal; the heating layer includes a plurality of heating zones, the electrode layer includes a structural boundary that defines the boundary of the electrode layer, and also includes a regional boundary, and the space between adjacent regional boundaries defines a heating zone.

[0009] The heating panel introduced in the above technical solution reduces the amount of metal used as electrodes in the manufacturing of the heating panel and the manufacturing cost of the heating panel by respectively providing an electrode layer and a heating layer in the heating structure, providing the boundary of the structural boundary electrode layer, and providing a structure that defines the regional boundary between adjacent heating zones. Moreover, on the basis of ensuring less usage of metal and heating carbon materials, good heating uniformity can also be achieved. In addition, for the heating panel introduced in the above technical solution, different specific heating structures can be designed for different interior parts by adjusting structural parameters such as the structural boundary, the width and extension length of the regional boundary, the width of the heating zone, and the number of regional boundaries or heating zones, which can meet the requirements of agile product development.

[0010] In one or more embodiments of the heating panel, the heating carbon material includes at least one of carbon nanotubes, carbon fibers, and graphene.

[0011] In one or more embodiments of the heating panel, the width of the structural boundary and the regional boundary of the electrode layer is 5 mm to 25 mm, and the width of a single heating zone provided by the spacing between adjacent regional boundaries is 30 mm to 50 mm.

[0012] In one or more embodiments of the heating panel, the structural boundary and the regional boundary have a bent section, and the bent section has a transition fillet, and the radius of the transition fillet is 5 mm to 15 mm.

[0013] In one or more embodiments of the heating panel, the structural boundary includes a first structural boundary and a second structural boundary arranged opposite to each other. One end of a single regional boundary is connected to one of the first structural boundary and the second structural boundary, and extends towards the other of the first structural boundary and the second structural boundary to the other end of the regional boundary, and there is a gap between this other end and the other of the corresponding first structural boundary and the second structural boundary.

[0014] In one or more embodiments of the heating panel, the width of the structural boundary changes from one end to the other end in the extending direction of the structural boundary.

[0015] In one or more embodiments of the heating panel, a first isolation layer is further included, and the first isolation layer is located between the heating structure and the decorative layer to isolate the heating structure and the decorative layer.

[0016] In one or more embodiments of the heating panel, a base is further included, and the base is arranged inside the heating structure to support the heating structure; the heating panel further includes a second isolation layer, and the second isolation layer is located between the heating structure and the base to isolate the heating structure and the base.

[0017] An interior component according to the second aspect of the present application includes a heating panel as described in the first aspect. The outer surface of the decorative layer of the heating panel provides at least part of the surface of the interior component.

[0018] The beneficial effects of the interior component introduced in the above embodiments are as follows. By adopting the heating panel introduced in the first aspect, on the basis of providing an efficient and low-energy heating solution, the manufacturing cost of the interior component is relatively low, and it can also meet the requirements of agile product development.

[0019] In one or more embodiments of the interior component, the interior component is a door insert panel, a door armrest, a center console armrest, a side wall of the center console, a driver's lower panel, a seat backrest, a seat armrest, or any panel inside. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and other features, properties, and advantages of the present application will become more apparent from the following description in conjunction with the drawings and embodiments, where:

[0021] Figure 1 It is a schematic structural diagram of an interior component of a vehicle in an embodiment.

[0022] Figure 2 It is a schematic structural diagram of an interior component and a heating panel in an embodiment.

[0023] Figure 3 It is a schematic structural diagram of a heating panel of an interior component in an embodiment.

[0024] Figure 4 It is a schematic structural diagram of a heating panel of an interior component in another embodiment.

[0025] REFERENCE NUMERALS:

[0026] 1000 - Vehicle

[0027] 100 - Interior component

[0028] 101 - Instrument panel

[0029] 102 - Door panel

[0030] 1021 - Inlay panel

[0031] 103 - Center console

[0032] 1031 - Center console armrest

[0033] 10 - Heating panel

[0034] 1 - Decorative layer

[0035] 11 - Outer surface

[0036] 12 - Inner surface

[0037] 2 - Heating structure

[0038] 21 - Heating layer

[0039] 211 - Heating zone

[0040] 22 - Electrode layer

[0041] 221 - Structure boundary

[0042] 2211 - First structure boundary

[0043] 2212 - Second structure boundary

[0044] 2213 - One end

[0045] 2214 - The other end

[0046] 222 - Region boundary

[0047] 223 - Bent section

[0048] 224 - Transition fillet

[0049] 225 - Gap

[0050] 3 - First isolation layer

[0051] 4 - Second isolation layer

[0052] 41 - First glue layer

[0053] 42 - Second glue layer

[0054] 30 - Substrate

[0055] 5 - Connector

[0056] 200 - Control unit. Detailed implementation manners

[0057] The present application will be further described below in conjunction with specific embodiments and the accompanying drawings. More details are set forth in the following description to facilitate a full understanding of the present application. However, the present application is obviously capable of being implemented in many other ways different from this description. Those skilled in the art can make similar generalizations and deductions according to the actual application situation without departing from the connotation of the present application. Therefore, the scope of protection of the present application should not be limited by the content of this specific embodiment.

[0058] Meanwhile, specific terms are used in this application to describe the embodiments of this application. The orientation terms "inner" and "outer" refer to the inside and outside relative to the contour of each component itself. Additionally, terms such as "one embodiment", "an embodiment", and / or "some embodiments" mean a certain feature, structure, or characteristic related to at least one embodiment of this application. Therefore, it should be emphasized and noted that the "one embodiment" or "an embodiment" mentioned twice or more at different positions in this specification does not necessarily refer to the same embodiment. In addition, certain features, structures, or characteristics in one or more embodiments of this application can be appropriately combined.

[0059] As shown in this application and the claims, unless the context clearly indicates an exception, words such as "a", "an", "one", and / or "the" are not specifically singular and may also include the plural. Generally speaking, the terms "comprising" and "including" only indicate the inclusion of the clearly identified steps and elements, and these steps and elements do not constitute an exclusive list. The method or device may also include other steps or elements.

[0060] In the description of this application, it should be understood that the orientation or positional relationships indicated by orientation terms such as "front, rear, upper, lower, left, right", "lateral, vertical, upright, horizontal", and "top, bottom" are usually based on the orientation or positional relationships shown in the drawings. This is only for the convenience of describing this application and simplifying the description. Without contrary instructions, these orientation terms do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the protection scope of this application; the orientation terms "inner" and "outer" refer to the inside and outside relative to the contour of each component itself.

[0061] In addition, it should be noted that using terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Without additional statements, the above terms have no special meanings. Therefore, it should not be construed as a limitation on the protection scope of this application. In addition, although the terms used in this application are selected from well-known and commonly used terms, some terms mentioned in the specification of this application may be selected by the applicant according to his or her judgment. Their detailed meanings are described in the relevant parts of this description. In addition, it is required to understand this application not only through the actual terms used but also through the meaning implied by each term.

[0062] Although the heating panel and interior trim piece disclosed in the embodiments of this application are preferably applicable to vehicles, they are not limited thereto. For example, they can be applicable to the application scenarios of other transportation means, such as railway trains, ships, and airplanes, as long as the heating panel and interior trim piece disclosed in the embodiments of this application can be applied to the transportation means.

[0063] In addition, compared with the current air-conditioning heating solutions, the present application improves the user experience and heating efficiency. However, it can be understood that this does not mean that vehicles adopting the heating panels and interior parts of the present application cannot also be equipped with heating air conditioners. For example, in a means of transportation, the heating panels and interior parts of the present application, as well as the heating air conditioner, can coexist. The heating panels and interior parts of the present application can correspondingly replace part of the function of the heating air conditioner, thereby reducing energy consumption and further improving the heating effect. The meaning of the occupants described below is broad, that is, all persons in the means of transportation are occupants, such as drivers and passengers.

[0064] Referring to Figure 1 As shown, taking the vehicle 1000 as an example, the means of transportation includes an interior part 100, which may include, for example, an instrument panel 101, a door panel 102, a center console 103, etc. The heating panel 10 applicable to the interior part 100 introduced in the following embodiments can be applied to any interior panel. For example, it can be Figure 1 and Figure 3 the inlay panel 1021 (door panel insert) of the door panel 102 as shown, and for another example, it can also be Figure 1 and Figure 4 the center console armrest 1031 (center console armrest) as shown. Since the position corresponding to the door panel 102 is a position where the current vehicle air conditioner is difficult to fully heat, and the center console armrest 1031 is a position where the occupants come into contact more, setting the heating panel 10 on the door panel 102 and the center console 103 can enable the occupants to more fully feel the heating effect. In addition, the panel can also be, for example, Figure 1 the door panel armrest 1022 (door panel armrest), the center console sidewall 1032 (center console sidewall), the driver's lower panel 1011, the seat back 1051, the seat armrest, etc. as shown.

[0065] Referring to Figure 2 As shown, in some embodiments, the interior part 100 includes a heating panel 10, and the outer surface 11 of the decorative layer 1 of the heating panel 10 provides at least part of the surface of the interior part 100. For example Figure 3 As shown, the heating panel 10 is located at the position of the inlay panel 1021 of the door panel 102, and for another example Figure 4 As shown, the heating panel 10 is located at the position of the center console armrest 1031.

[0066] Referring to Figures 2 to 4As shown, in some embodiments, the heating panel 10 includes a decorative layer 1 and a heating structure 2 located inside the decorative layer 1. Here, the inside and outside refer to that the side of the heating panel 10 close to the occupant is the outside, and the opposite side is the inside.

[0067] The decorative layer 1 has an outer surface 11 and an inner surface 12 opposite to the outer surface 11. The outer surface 11 is generally the surface where the heating panel 10 provides the occupant with direct contact or direct visibility. The meaning of the decorative layer 1 is also as the outermost layer of the heating panel 10, which generally plays a role in providing direct visible decoration, so it is called the decorative layer. It can be understood that the decorative layer 1 can be made of plastic, fabric, leather, artificial leather, metal, etc., or made of a composite of the above materials, such as leather plus base cloth, such as the commonly used artificial leather (PVC / PU / TPU, etc.) with a total thickness of about 1.1 mm plus a bottom base cloth, or about 3 mm thick leather plus foam. The materials mentioned are only used as examples and are not intended to imply any restrictions on certain materials. For example, additional treatments such as softening, polishing, and corrosion-resistant coating can also be performed on the above materials. The decorative layer 10 can be flexible and thus can cover any 3D structure.

[0068] The heating structure 2 includes a heating layer 21 and an electrode layer 22. The heating structure 2 is located inside the decorative layer 1. The heating layer 21 is formed of a heating carbon material, and the electrode layer 22 is formed of a metal; the heating layer 21 includes a plurality of heating zones 211, and the electrode layer 22 includes a structural boundary 221 that defines the boundary of the electrode layer 22, and also includes a zone boundary 222. The space between adjacent zone boundaries 222 defines the heating zones 211.

[0069] The heating carbon material here refers to a material that generates heat through the following principle: when energized, carbon molecules generate atoms, ions, and electrons, and the carbon molecules and carbon molecular clusters rub and collide with each other (also called Brownian motion) to generate heat energy, and the heat energy is radiated in the form of far-infrared rays with a wavelength of 5-14 microns. The heating carbon material can be carbon nanotubes, carbon fibers, graphene, graphite, carbon black and other carbon materials. Preferably, the heating carbon material can include at least one of carbon nanotubes, carbon fibers, and graphene. The carbon nanotubes can be in the form of single-walled carbon nanotubes, multi-walled carbon nanotubes, etc. In addition, the carbon nanotubes, carbon fibers, and graphene can also be carbon materials doped with doping atoms. The beneficial effect of using at least one of carbon nanotubes, carbon fibers, and graphene is that it has better conductivity, so the heating performance is stable and the electrothermal conversion efficiency is relatively high. Compared with traditional carbon materials for heating, it has the characteristics of high power per unit area and high energy efficiency, which can miniaturize the heating structure and reduce energy consumption.

[0070] The process of forming the heating layer 21 from a heating carbon material can be achieved by covering it with a slurry mixed with the heating carbon material. The slurry generally includes a solvent, a heating carbon material ink, a dispersant, a binder, and other additives, and the mass percentages of each component are selected according to specific circumstances. The process of covering with the slurry can be a screen printing process, but is not limited thereto. For example, it can also be achieved by coating processes such as ultrasonic spraying.

[0071] The process of forming the electrode layer 22 from a metal can be achieved by covering it with a slurry mixed with the metal. For example, it can be formed by covering with a conductive silver paste, but is not limited to silver paste. For example, it can also be other metal slurries with good conductivity such as copper. Similarly, the process of covering with the slurry can be a screen printing process, but is not limited thereto. For example, it can also be achieved by coating processes such as ultrasonic spraying.

[0072] The process used to manufacture the heating mechanism 2 can be that first, the heating layer 21 is screen printed on the inner surface 12 of the decorative layer 1, and on the basis of the heating layer 21, the electrode layer 22 is screen printed on the heating layer 21 to obtain the electrode layer 22 stacked on the heating layer 21.

[0073] The electrode layer 22 includes a structural boundary 221. The meaning of the structural boundary 221 defining the boundary of the electrode layer 22 is, for example Figure 3 、 Figure 4 As shown, the range of the heating structure 2 is defined by the structural boundary 221, and the space between adjacent said regional boundaries 222 defines the heating sub - zones 211. As Figure 2 shown, it is not that the heating sub - zones 211 are completely separated from each other, but rather the electrode layer 22 is stacked on the heating layer 21. The heating sub - zones 211 refer to the defined areas on the heating layer 21 corresponding to the projections of the adjacent regional boundaries 222.

[0074] Refer to Figure 3 and Figure 4 As shown, in some embodiments, the specific structure of the structural boundary 221 and the regional boundary 222 can be that the structural boundary 221 includes a relatively arranged first structural boundary 2211 and a second structural boundary 2212. One end of a single regional boundary 222 is connected to one of the first structural boundary 2211 and the second structural boundary 2212, and extends towards the other of the first structural boundary 2211 and the second structural boundary 2212 to the other end of the regional boundary 222, and there is a gap 225 between this other end and the corresponding other of the first structural boundary 2211 and the second structural boundary 2212. In this way, it is easier to carry out the structural design of the heating structure 2.

[0075] Continue to refer to Figure 3 and Figure 4As shown, the structural parameters of the heating layer 21 and the electrode layer 22 can be that the widths of the structural boundary 221 and the regional boundary 222 of the electrode layer 22 are 5 mm to 25 mm. Preferably, in some embodiments, the width of the structural boundary 221 can be a structure with unequal widths along its extending direction. For example, Figure 3 and Figure 4 As shown, from one end 2213 to the other end 2214 of the extending direction of the structural boundary 221, the width W of the structural boundary 221 changes. For example, Figure 3 As shown, it changes gradually. From one end 2213 to the other end 2214, the width of the structural boundary 221 gradually narrows; it can also be as Figure 4 shown, changing stepwise. From one end 2213 to the other end 2214, the width of the structural boundary 221 narrows stepwise at a certain position. The width of a single heating partition 211 provided by the spacing between adjacent regional boundaries 222 is 30 mm to 50 mm. The inventors found that in this way, a better balance can be achieved between reducing costs and achieving sufficient heating effects.

[0076] Continue to refer to Figure 4 As shown, in some embodiments, the structural boundary 221 and the regional boundary 222 have a bent segment 223. The bent segment 223 has a transition fillet 224. The radius of the transition fillet 224 is 5 mm to 15 mm. The meaning of the bent segment 223 can be, for example, a vertical bend. It can be understood that it is not strictly 90° vertical. For example, it can also be within an error range of ±10°. The bent segment 223, for example, Figure 4 As shown, the regional boundary 222 extends vertically from the structural boundary 221, or it can be a bend of the structural boundary 221 itself, and neither is limited to this. The inventors found that a structure with a transition fillet 224 with a radius of 5 mm to 15 mm can further optimize the heating uniformity of the heating panel. It can be understood that setting the transition fillet is not a necessary structure. In cases where the requirement for heating uniformity is not high, for example, Figure 3 in the embodiment shown, that is, the corresponding transition fillet is not provided.

[0077] Refer to Figure 2As shown, in some embodiments, the heating structure 2 is located inside the decorative layer 1, and further includes a first isolation layer 3. The first isolation layer 3 is located between the heating structure 2 and the decorative layer 1 to isolate the heating structure 2 from the decorative layer 1. The function of setting the first isolation layer 3 is to prevent excessive stretching of the surface of the decorative layer 10 and at the same time prevent the imprints brought by covering different slurries on the surface of the skin. It can be understood that the setting of the first isolation layer 3 is not necessary. If the decorative layer 10 is not sensitive to the stretching and imprints brought by the heating structure 2 itself, for example, the decorative layer 10 has a small coefficient of thermal expansion and the color of the decorative layer 10 itself is relatively dark, then the heating structure 2 can be directly covered on the inner surface 12 of the decorative layer 1 through processes such as screen printing and spraying.

[0078] Continue to refer to Figure 2 As shown, in some embodiments, the heating panel 10 may further include a base 30. The base 30 is disposed inside the heating structure 2 to support the heating structure 2. The base 30 may be formed of a thermoplastic or rigid plastic polymer (including PET, MMA, PC, PU, ABS, PP, and NFPP, etc.). The thickness of the base 30 is between 1 mm and 5 mm, preferably between 2 mm and 2.5 mm. Preferably, in some embodiments, the heating panel 10 may further include a second isolation layer 4, which is located between the heating structure 2 and the base 30 to isolate the heating structure 2 from the base 30. The second isolation layer 4 may be adhered to the heating structure 2 and the base 30 through a first glue layer 41 and a second glue layer 42. The second isolation layer 4 may be a spacer fabric material, such as a composite fiber material (including synthetic fibers and natural fibers), or may also be a material such as felt. The second isolation layer preferably uses a material with better heat insulation performance to reduce heat loss caused by heat transfer to the inner side of the heating panel 10, that is, to the base 30 side, while playing an isolation and protection role, and improving the thermal efficiency of the heating structure 2. Continue to refer to Figure 3 As shown, the heating panel 10 may further include a connector 5 for connecting the electrode layer 22. The connector 5 is used to electrically connect to the control unit 200 to control the temperature of the heating structure 2. The connector 5 electrically connects to the control unit 200 to send and receive signals and control the heating function. The control unit 200 controls the temperature provided by the heating structure 2 within a predetermined threshold of about 50 °C, which roughly corresponds to the heating temperature of the carbon nanotubes. In this way, the outer surface 11 of the decorative layer 1 can provide a relatively comfortable temperature for the occupant, and it will not cause a burning sensation when the occupant accidentally touches the outer surface 11. It can be understood that the control unit 200 here may be a control unit 200 located near the heating panel 10 in space, or may be a control unit 200 of the vehicle. In addition to being wiredly connected through the connector 5, it does not rule out the scheme of wirelessly connecting the electrode layer 22 to the control unit 200. The beneficial effect of adopting the scheme of the connector 5 is that the connection is relatively reliable.

[0079] In summary, the beneficial effects of the heating panel and interior trim component introduced in the above embodiments include, but are not limited to: by respectively providing an electrode layer and a heating layer in the heating structure, the electrode layer provides the boundary of the structural boundary electrode layer and the structure for defining the regional boundary of adjacent heating zones, reducing the amount of metal used as the electrode in the manufacture of the heating panel, reducing the manufacturing cost of the heating panel, and ensuring good heating uniformity on the basis of less metal and heating carbon material used. In addition, for the heating panel introduced in the above technical solution, different specific heating structures can be designed for different interior trim components by adjusting structural parameters such as the structural boundary, the width and extension length of the regional boundary, the width of the heating zone, and the number of regional boundaries or heating zones, which can meet the requirements of agile product development.

[0080] Although this application is disclosed above with preferred embodiments, it is not intended to limit this application. Any person skilled in the art can make possible changes and modifications without departing from the spirit and scope of this application. Therefore, any modification, equivalent change, and decoration made to the above embodiments based on the technical essence of this application without departing from the technical solution of this application shall fall within the protection scope defined by the claims of this application.

Claims

1. A heating panel (10), characterized in that: include: A decorative layer (1), wherein the decorative layer (1) has an outer surface (11) and an inner surface (12); as well as A heating structure (2), comprising a heating layer (21) and an electrode layer (22), wherein the heating structure (2) is located inside the decorative layer (1); The heating layer (21) is formed of a heating carbon material, and the electrode layer (22) is formed of a metal; the heating layer (21) includes a plurality of heating partitions (211), and the electrode layer (22) includes a structural boundary (221), wherein the structural boundary (221) defines a boundary of the electrode layer (22), and also includes a regional boundary (222), and the space between adjacent regional boundaries (222) defines a heating partition (211).

2. The heating panel (10) according to claim 1, characterized in that: The width of the structural boundary (221) and the regional boundary (222) of the electrode layer (22) is 5 mm to 25 mm, and the width of a single heating zone (211) provided by the spacing between adjacent regional boundaries (222) is 30 mm to 50 mm.

3. The heating panel (10) according to claim 1, characterized in that: The structural boundary (221) and the regional boundary (222) have a bending section (223), the bending section (223) has a transition fillet (224), and the radius of the transition fillet (224) is 5 mm to 15 mm.

4. The heating panel (10) according to claim 1, characterized in that: The structural boundary (221) includes a first structural boundary (2211) and a second structural boundary (2212) that are arranged opposite to each other. One end of a single regional boundary (222) is connected to one of the first structural boundary (2211) and the second structural boundary (2212), and extends toward the other of the first structural boundary (2211) and the second structural boundary (2212) to the other end of the regional boundary (222), and there is a gap (225) between the other end and the corresponding first structural boundary (2211) and the second structural boundary (2212).

5. The heating panel (10) according to claim 1, characterized in that: The width of the structural boundary (221) changes from one end to the other end of the extension direction of the structural boundary (221).

6. The heating panel (10) according to claim 1, characterized in that: It also comprises a first isolation layer (3), wherein the first isolation layer (3) is located between the heating structure (2) and the decorative layer (1) so as to isolate the heating structure (2) from the decorative layer (1).

7. The heating panel (10) according to claim 1, characterized in that: The heating panel (10) further comprises a base (30), wherein the base (30) is arranged on the inner side of the heating structure (2) to support the heating structure (2); the heating panel (10) further comprises a second isolation layer (4), wherein the second isolation layer (4) is located between the heating structure (2) and the base (30) to isolate the heating structure (2) from the base (30).

8. An interior decoration part (100), characterized in that: The heating panel (10) comprises the heating panel (10) according to any one of claims 1 to 7, wherein the outer surface (11) of the decorative layer (1) of the heating panel (10) provides at least a part of the surface of the interior decoration part (100).

9. The interior decoration component (100) according to claim 8, characterized in that: The interior decoration part (100) is a door inlay panel (1021), a door armrest (1022), a center console armrest (1031), a center console side wall (1032), a driver's lower panel (1011), a seat back (1051), a seat armrest, or any internal panel.

Citation Information

Patent Citations

  • Interior trim part for motor vehicle and motor vehicle comprising interior trim part

    CN117657012A