Wear-resistant heating film with bendable wire outlet position

Abstract

The utility model discloses a wear-resistant heating film with a bendable wire outlet position. The wear-resistant heating film comprises a body, a lower silica gel leather material layer, a lower silica gel layer, an upper silica gel leather material layer and an upper silica gel layer, the lower silica gel leather material layer is arranged on the lower surface of the heating film body in a stacked mode, the lower silica gel layer is arranged on the lower surface of the wire outlet position in a stacked mode, the upper silica gel leather material layer is arranged on the upper surface of the heating film body in a stacked mode, and the upper silica gel layer is arranged on the upper surface of the wire outlet position in a stacked mode. The matched arrangement of the lower silica gel leather layer and the upper silica gel leather layer in the heating film can effectively enhance the wear resistance of the heating film main body, and the matched arrangement of the lower silica gel layer and the upper silica gel layer can effectively enhance the wear resistance of the wire outlet position, so that the insulating film on the heating film is prevented from being worn out, the safety performance during use is improved, the heating film is prevented from being damaged, and the service life of the heating film is prolonged. The product quality is improved, and the product service life is prolonged; the arrangement of the lower gap and the upper gap can avoid the position, so that the wire outlet position can be bent relative to the heating film main body, and the existing requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field technology of heating film especially to a wear-resistant heating film with a foldable wire outlet position. BACKGROUND

[0002] At present, the global energy and environmental problems are serious, and the development and utilization of new energy are paid more and more attention, especially in recent years, the most concerned is new energy electric vehicles. Major car companies have invested in the development of new energy electric vehicles. The vehicle-mounted energy system is one of the three core technologies of electric vehicles, which is like the engine of the traditional internal combustion engine, the heart of the electric vehicle, and the only power source of the electric vehicle. It accounts for 1 / 3 of the whole vehicle cost of the electric vehicle.

[0003] The battery of the new energy electric vehicle decays more in the low temperature environment, in order to solve this problem, the heating film is usually arranged on the side or bottom surface of the battery module, and the performance of the battery is improved by the heating effect of the heating film, the service life is prolonged, and the quality of the battery is improved.

[0004] The current heating film is usually arranged on the upper and lower surfaces of the heating core by two insulating films, this structure is simple, and can basically realize the heating function of the heating film, but in the using process, the heating film directly contacts the battery module, the parts on the heating film and the battery module are relatively rubbed when the automobile runs, since the structure of the insulating film is relatively thin and the wear resistance is poor, the insulating film on the heating film is easy to be worn out, so that the insulation performance of the insulating film is invalid, there is a great safety hazard, the heating film is easily damaged, the overall performance of the product is affected, the quality of the product is poor, the service life is short, and the existing demand cannot be met. Therefore, it is necessary to study a new technical scheme to improve the current heating film. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a wear-resistant heating film with a foldable wire outlet position, which can effectively solve the problems that the existing heating film directly contacts the battery module in the using process, the parts on the heating film and the battery module are relatively rubbed when the automobile runs, the structure of the insulating film is relatively thin and the wear resistance is poor, the insulating film on the heating film is easy to be worn out, the insulation performance of the insulating film is invalid, there is a great safety hazard, the heating film is easily damaged, the overall performance of the product is affected, the quality of the product is poor, and the service life is short.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of wear-resistant heating film with foldable wire outlet, including body, lower silica gel skin layer, lower silica gel layer, upper silica gel skin layer and upper silica gel layer;The body includes heating film main body and the wire outlet that extends to the outside of one side of heating film main body, the body includes from lower to upper sequentially laminated lower insulating film, heating core and upper insulating film;The lower silica gel skin layer is laminated to the lower surface of heating film main body, and silica gel skin material has excellent anti-aging performance, wear resistance, weather resistance, high temperature resistance, low temperature resistance and waterproof performance, environmentally friendly safety;The lower silica gel layer is laminated to the lower surface of wire outlet, and lower gap is arranged between the lower silica gel layer and lower silica gel skin layer, and silica gel material has good high temperature resistance, wear resistance, insulation and waterproof and moisture-proof performance;The upper silica gel skin layer is laminated to the upper surface of heating film main body, and silica gel skin material has excellent anti-aging performance, wear resistance, weather resistance, high temperature resistance, low temperature resistance and waterproof performance, environmentally friendly safety;The upper silica gel layer is laminated to the upper surface of wire outlet, and upper gap is arranged between the upper silica gel layer and upper silica gel skin layer, and silica gel material has good high temperature resistance, wear resistance, insulation and waterproof and moisture-proof performance.

[0008] As a preferred scheme, the heating film main body is square, and the wire outlet is square, and correspondingly, the lower silica gel skin layer, the lower silica gel layer, the upper silica gel skin layer and the upper silica gel layer are all square.

[0009] As a preferred scheme, the lower insulating film is a PI film, which has good insulation and high temperature resistance, and the PI film has good flexibility, so that it can be bent at a large angle.

[0010] As a preferred scheme, the upper insulating film is a PI film, which has good insulation and high temperature resistance, and the PI film has good flexibility, so that it can be bent at a large angle.

[0011] As a preferred scheme, the heating core is an etching chip resistor formed by etching process on a metal sheet.

[0012] As a preferred scheme, the lower insulating film includes a lower main body part and a lower wire outlet, the heating core includes a middle main body part and a middle wire outlet, the upper insulating film includes an upper main body part and an upper wire outlet, the lower main body part, the middle main body part and the upper main body part are sequentially laminated from lower to upper, the lower wire outlet, the middle wire outlet and the upper wire outlet are sequentially laminated from lower to upper, the lower silica gel skin layer is laminated to the lower surface of the lower main body part, the lower silica gel layer is laminated to the lower surface of the lower wire outlet, the upper silica gel skin layer is laminated to the upper surface of the upper main body part, and the upper silica gel layer is laminated to the upper surface of the upper wire outlet.

[0013] The utility model discloses a compared with prior art has obvious advantages and beneficial effects, specifically speaking, from above technical scheme can know:

[0014] Through the lower silica gel skin material layer lamination setting in the lower surface of heating film main part, the lower silica gel layer lamination setting in the lower surface of the wire outlet, the lower silica gel layer and the lower silica gel skin material layer between gap setting, the upper silica gel skin material layer lamination setting in the upper surface of heating film main part, the upper silica gel layer lamination setting in the upper surface of the wire outlet, the upper silica gel layer and the upper silica gel skin material layer between gap setting, the cooperation of lower silica gel skin material layer and upper silica gel skin material layer in the heating film of this structure can effectively enhance the wear resistance of heating film main part, the cooperation of lower silica gel layer and upper silica gel layer can effectively enhance the wear resistance of wire outlet, prevent the insulation film on heating film from being worn, guarantee the insulation function of heating film, improve the safety performance when using, prevent damaging heating film, improve the overall performance of product, improve the quality of product, prolong the service life of product, the setting of lower gap and upper gap can avoid position, be favorable to realize the bending of wire outlet relative to heating film main part, satisfy the existing demand.

[0015] In order to more clearly set forth the structural features and functions of the utility model, the utility model is described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the three-dimensional structure schematic diagram of the preferred embodiment of the utility model;

[0017] Fig. 2 It is the three-dimensional structure schematic diagram of the wire outlet bending in the preferred embodiment of the utility model;

[0018] Fig. 3 It is the sectional view of the preferred embodiment of the utility model;

[0019] Fig. 4 It is the exploded view of the preferred embodiment of the utility model.

[0020] Explanation of figure mark:

[0021] 10, body 11, lower insulation film

[0022] 111, lower main part 112, lower wire outlet

[0023] 12, heating core 121, middle main part

[0024] 122, middle wire outlet 13, upper insulation film

[0025] 131, upper main part 132, upper wire outlet

[0026] 101, heating film main part 102, wire outlet

[0027] 20, lower silicone skin layer 30, lower silicone layer

[0028] 31, lower gap 40, upper silicone skin layer

[0029] 50, upper silicone layer 51, upper gap. DETAILED DESCRIPTION

[0030] Please refer to Figs. 1 to 4 The specific structure of the preferred embodiment of the utility model is shown in the figure, which comprises a body 10, a lower silicone skin layer 20, a lower silicone layer 30, an upper silicone skin layer 40 and an upper silicone layer 50.

[0031] The body 10 comprises a heating film body 101 and a wire outlet position 102 extending outward from one side of the heating film body 101, and the body 10 comprises a lower insulating film 11, a heating core 12 and an upper insulating film 13 arranged in turn from bottom to top; in this embodiment, the heating film body 101 is square, and the wire outlet position 102 is square; the lower insulating film 11 and the upper insulating film 13 are PI films, which have good insulating properties and high temperature resistance, and the PI films have good flexibility and can be bent at a large angle; the heating core 12 is an etched chip resistor formed by etching process on a metal sheet; the lower insulating film 11 comprises a lower body part 111 and a lower wire outlet position 112, the heating core 12 comprises a middle body part 121 and a middle wire outlet position 122, and the upper insulating film 13 comprises an upper body part 131 and an upper wire outlet position 132; the lower body part 111, the middle body part 121 and the upper body part 131 are arranged in turn from bottom to top, and the lower wire outlet position 112, the middle wire outlet position 122 and the upper wire outlet position 132 are arranged in turn from bottom to top.

[0032] The lower silicone skin layer 20 is arranged in the lower surface of the heating film body 101, and the silicone skin material has excellent aging resistance, wear resistance, weather resistance, high temperature resistance, low temperature resistance and waterproof performance, and is environmentally friendly and safe; in this embodiment, the lower silicone skin layer 20 is square; the lower silicone skin layer 20 is arranged in the lower surface of the lower body part 111.

[0033] The lower silicone layer 30 is arranged in the lower surface of the wire outlet position 102, and the lower silicone layer 30 is provided with a lower gap 31 between the lower silicone layer 30 and the lower silicone skin layer 20, and the silicone material has good high temperature resistance, wear resistance, insulating properties and waterproof and moisture-proof properties; the setting of the lower gap 31 can avoid displacement, which is conducive to the bending of the wire outlet position 102; in this embodiment, the lower silicone layer 30 is square; the lower silicone layer 30 is arranged in the lower surface of the lower wire outlet position 112.

[0034] The upper silica gel layer 50 is arranged on the upper surface of the outlet position 102, and the upper gap 51 is arranged between the upper silica gel layer 50 and the upper silica gel material layer 40, wherein the silica gel material has good high-temperature resistance, wear resistance, insulation and waterproof and moisture-proof properties; the upper gap 51 can avoid position and facilitate the bending of the outlet position 102; in the embodiment, the upper silica gel layer 50 is square; and the upper silica gel layer 50 is arranged on the upper surface of the upper outlet position 132.

[0035] The upper silica gel layer 50 is arranged on the upper surface of the outlet position 102, and the upper gap 51 is arranged between the upper silica gel layer 50 and the upper silica gel material layer 40, wherein the silica gel material has good high-temperature resistance, wear resistance, insulation and waterproof and moisture-proof properties; the upper gap 51 can avoid position and facilitate the bending of the outlet position 102; in the embodiment, the upper silica gel layer 50 is square; and the upper silica gel layer 50 is arranged on the upper surface of the upper outlet position 132.

[0036] The manufacturing process of the embodiment is as follows:

[0037] First, the heating core 12 is formed, and the lower insulating film 11, the upper insulating film 13, the lower silica gel material layer 20, the lower silica gel layer 30, the upper silica gel material layer 40 and the upper silica gel layer 50 are formed and cut; then, the upper insulating film 13 and the lower insulating film 11 are arranged on the upper and lower surfaces of the heating core 12, thereby forming the body 10; then, the lower silica gel material layer 20 is arranged on the lower surface of the heating film body 101, and the upper silica gel material layer 40 is arranged on the upper surface of the heating film body 101; finally, the lower silica gel layer 30 is arranged on the lower surface of the outlet position 102, and the upper silica gel layer 50 is arranged on the upper surface of the outlet position 102.

[0038] In use, the heating film is arranged on the two side surfaces or the bottom surface of the battery module, the heating film body 101 and the outlet position 102 can be bent at a certain angle and then installed, and the heating film is better matched with the external battery module. During the driving of the automobile, the arrangement of the lower silica gel material layer 20, the upper silica gel material layer 40, the lower silica gel layer 30 and the upper silica gel layer 50 can effectively enhance the wear resistance of the heating film, prevent the heating film from being worn out, improve the quality of the heating film, heat the battery module by the heating film, and make the battery module not work at low temperature, thereby effectively improving the overall performance of the battery module.

[0039] The design focus of the utility model lies in:

[0040] The lower silica gel layer is arranged on the lower surface of the heating film body, and the lower silica gel layer is arranged on the lower surface of the wire outlet position, and a lower gap is arranged between the lower silica gel layer and the lower silica gel material layer; the upper silica gel layer is arranged on the upper surface of the heating film body, and the upper silica gel layer is arranged on the upper surface of the wire outlet position, and an upper gap is arranged between the upper silica gel layer and the upper silica gel material layer. The cooperation of the lower silica gel material layer and the upper silica gel material layer in the heating film can effectively enhance the wear resistance of the heating film body, and the cooperation of the lower silica gel layer and the upper silica gel layer can effectively enhance the wear resistance of the wire outlet position, prevent the insulation film on the heating film from being worn out, ensure the insulation function of the heating film, improve the safety performance during use, prevent the heating film from being damaged, improve the overall performance of the product, improve the quality of the product, and prolong the service life of the product; the arrangement of the lower gap and the upper gap can avoid the position, which is beneficial to realize the bending of the wire outlet position relative to the heating film body, and meets the existing demand.

[0041] The above is only a preferred embodiment of the present application, and does not limit the technical scope of the present application. Any slight modification, equivalent change and modification of the above embodiment according to the technical essence of the present application still belongs to the scope of the technical scheme of the present application.

Claims

1. A wear-resistant heating film with a foldable wire position, characterized in that: The heating film main body is square, and the wire outlet position is square, and correspondingly, the lower silica gel skin layer, the lower silica gel layer, the upper silica gel skin layer and the upper silica gel layer are all square.

2. The wear-resistant heating film with foldable wire position according to claim 1, characterized in that: The lower insulating film is a PI film.

3. The wear-resistant heating film with foldable wire position according to claim 1, characterized in that: The upper insulating film is a PI film.

4. The wear-resistant heating film with foldable wire position according to claim 1, characterized in that: The heating core is an etching chip resistor formed by etching on a metal sheet.

5. The wear-resistant heating film with foldable wire position according to claim 1, characterized in that: The lower insulating film includes a lower main body part and a lower wire outlet position, the heating core includes a middle main body part and a middle wire outlet position, the upper insulating film includes an upper main body part and an upper wire outlet position, the lower main body part, the middle main body part and the upper main body part are sequentially stacked from bottom to top, the lower wire outlet position, the middle wire outlet position and the upper wire outlet position are sequentially stacked from bottom to top, the lower silica gel skin layer is stacked on the lower surface of the lower main body part, the lower silica gel layer is stacked on the lower surface of the lower wire outlet position, the upper silica gel skin layer is stacked on the upper surface of the upper main body part, and the upper silica gel layer is stacked on the upper surface of the upper wire outlet position.

6. The wear-resistant heating film with foldable wire position according to claim 1, characterized in that: ​

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