Heating film of vehicle-mounted refrigerator

Abstract

The utility model relates to the technical field of heating films, and discloses a heating film of a vehicle-mounted refrigerator, which is applied to the vehicle-mounted refrigerator and comprises an attached aluminum foil film and a heating wire. The heating wire is arranged between the two attached aluminum foil films; the attached aluminum foil film comprises a first aluminum foil film, a second aluminum foil film, a third aluminum foil film and a bendable aluminum foil strip; the first aluminum foil film and the second aluminum foil film are connected through a bendable aluminum foil strip, and the second aluminum foil film and the third aluminum foil film are connected through a bendable aluminum foil strip. The heating wire comprises an edge heating section, and a first heating coiling section, a second heating coiling section and a third heating coiling section which are respectively coiled on the first aluminum foil film, the second aluminum foil film and the third aluminum foil film; and the edge heating section, the third heating coiled section, the second heating coiled section and the first heating coiled section are sequentially connected in series. The heating film of the vehicle-mounted refrigerator has the advantages of being even and stable in heating and efficient in utilization rate, can be bent flexibly, simultaneously and stably transfers heat on a plurality of faces, and accelerates the heat adjusting speed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heating film, especially to a heating film of vehicle-mounted refrigerator. BACKGROUND

[0002] The heating film is a planar heating element composed of an electrically insulating material and a heating resistance material encapsulated therein.

[0003] A kind of aluminum foil heater for refrigerator is disclosed in Chinese patent with patent No.CN201320539985.6, comprising: bearing, heating wire that can generate heat by being applied power source, aluminum foil, terminal and sealing sleeve, wherein: the heating wire is formed heating wire by being wound on the bearing, the heating wire outer layer is provided with insulating layer, the heating wire port is connected with external wire by terminal, the heating wire and external wire connection place is sleeved with the sealing sleeve, the heating wire is connected with the aluminum foil by hot pressing, and the heating wire is flat.But the heating film formed by the aluminum foil and the heating wire of the aluminum foil heater is limited to heat transfer to the single face of refrigerator, and the heating film cannot be flexibly bent, and the rate of heat transfer adjustment is slow. SUMMARY

[0004] The utility model aims at overcoming the problems of prior art, and provides a kind of heating film of vehicle-mounted refrigerator.

[0005] To achieve the above object, the utility model adopts the following scheme:

[0006] A kind of heating film of vehicle-mounted refrigerator, applied to vehicle-mounted refrigerator, including adhering aluminum foil membrane and heating wire;The heating wire is arranged between the two adhering aluminum foil membranes;

[0007] The adhering aluminum foil membrane includes first aluminum foil membrane, second aluminum foil membrane, third aluminum foil membrane and bendable aluminum foil strip;The first aluminum foil membrane and the second aluminum foil membrane, the second aluminum foil membrane and the third aluminum foil membrane are connected by the bendable aluminum foil strip;

[0008] The heating wire includes edge heating section and first heating coiled section, second heating coiled section and third heating coiled section respectively coiled on first aluminum foil membrane, second aluminum foil membrane and third aluminum foil membrane;The edge heating section, third heating coiled section, second heating coiled section and first heating coiled section are connected in sequence.

[0009] Further, the heating wire is arranged between the two adhering aluminum foil membranes by double-sided adhesive tape.

[0010] Further, the heating film of the vehicle-mounted refrigerator further comprises an electricity connection module, high-temperature wires and connection terminals; one end of the two high-temperature wires is electrically connected to the positive and negative poles of the electricity connection module respectively; the other end of the two high-temperature wires is electrically connected to the positive and negative poles of the heating wire through the connection terminals respectively.

[0011] Further, the other end of one of the high-temperature wires is electrically connected to the circuit on the negative pole of the heating wire through a temperature control switch.

[0012] Further, the outer surface of the temperature control switch is covered with a PI film and is arranged between the two aluminum foil films.

[0013] Further, the two high-temperature wires are bundled together through a heat shrink tube.

[0014] Further, the first, second and third aluminum foil films are all rectangular films;

[0015] The length of the first, second and third aluminum foil films in the up-down direction is the same; the width of the first and third aluminum foil films in the left-right direction is the same; the width of the second aluminum foil film in the left-right direction is greater than that of the first aluminum foil film.

[0016] Further, the upper end of the first aluminum foil film and the upper end of the second aluminum foil film, the lower end of the first aluminum foil film and the lower end of the second aluminum foil film, the upper end of the second aluminum foil film and the upper end of the third aluminum foil film, and the lower end of the second aluminum foil film and the lower end of the third aluminum foil film are connected through the bendable aluminum foil strips.

[0017] The first, second and third aluminum foil films and the two bendable aluminum foil strips, and the second, third aluminum foil films and the two bendable aluminum foil strips form a material-saving bending opening.

[0018] Further, the length of the attached aluminum foil film in the up-down direction is 309-321 mm; the width of the attached aluminum foil film in the left-right direction is 626-646 mm.

[0019] Further, the heating wire is a silicon rubber heating wire; the silicon rubber heating wire comprises an alloy heating wire and a silicon rubber high-temperature insulation layer covering the alloy heating wire.

[0020] Compared with the prior art, the vehicle-mounted refrigerator has the following advantages:

[0021] The utility model discloses a design and layout to the attached aluminum foil film and heating wire, to improve the performance of the vehicle refrigerator, first, the first aluminum foil film, second aluminum foil film, third aluminum foil film and the flexible aluminum foil strip constitute the attached aluminum foil film, and the flexible aluminum foil strip is used to realize between the first aluminum foil film and the second aluminum foil film, and between the second aluminum foil film and the third aluminum foil film, such design guarantees the flexibility of aluminum foil film, and makes the whole structure can better fit the spatial form in the vehicle refrigerator, realizes multiple surfaces to the each corner in the vehicle refrigerator simultaneously transfer heat, thereby improve the uniform distribution efficiency of heat energy, and utilize efficiency, second, the heating wire is the core part of the heating film of the vehicle refrigerator, and the edge heating section, first heating coiled section, second heating coiled section and third heating coiled section are connected in series in proper order, form an efficient and stable heating network, and are arranged between two attached aluminum foil films, can ensure that each corner in the vehicle refrigerator can obtain uniform and constant heat supply, thereby maintaining the stability of the temperature in the vehicle refrigerator, and the heating film of such vehicle refrigerator has the characteristics of uniform and stable heating, high utilization efficiency, and can be flexible and folded and simultaneously stably transfer heat of multiple surfaces, accelerate the rate of heat regulation, not only improve the performance of the vehicle refrigerator, but also provide more comfortable and convenient refrigeration environment for the user, bring new technical innovation and market opportunity for the field of vehicle refrigerator. BRIEF DESCRIPTION OF DRAWINGS

[0022] The application will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] Figure 1 It is the structure schematic view of the heating film of the vehicle refrigerator of the utility model.

[0024] The drawings include:

[0025] Attached aluminum foil film 1, first aluminum foil film 11, second aluminum foil film 12, third aluminum foil film 13, flexible aluminum foil strip 14, material-saving bending mouth 15, heating wire 2, edge heating section 21, first heating coiled section 22, second heating coiled section 23, third heating coiled section 24, power connection module 3, high-temperature wire 4, connecting terminal 5, temperature control switch 6, PI film 7, heat shrink tube sleeve 8. DETAILED DESCRIPTION

[0026] The specific embodiments of the utility model will be described in further detail below in conjunction with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0027] As Figure 1The application discloses a heating film of a vehicle-mounted refrigerator, which is applied to the vehicle-mounted refrigerator and comprises an attached aluminum foil film 1 and a heating wire 2. The heating wire 2 is arranged between two attached aluminum foil films 1. The attached aluminum foil film 1 comprises a first aluminum foil film 11, a second aluminum foil film 12, a third aluminum foil film 13 and a bendable aluminum foil strip 14. The first aluminum foil film 11 and the second aluminum foil film 12 and the second aluminum foil film 12 and the third aluminum foil film 13 are connected through the bendable aluminum foil strip 14. The first aluminum foil film 11 and the second aluminum foil film 12 and the second aluminum foil film 12 and the third aluminum foil film 13 are connected through the bendable aluminum foil strip 14, which not only ensures the flexibility of the aluminum foil film but also makes the whole structure better fit the space form inside the refrigerator, thereby improving the uniform distribution of heat energy and the utilization efficiency. The heating wire 2 comprises an edge heating section 21 and a first heating coiled section 22, a second heating coiled section 23 and a third heating coiled section 24 coiled on the first aluminum foil film 11, the second aluminum foil film 12 and the third aluminum foil film 13 respectively. The edge heating section 21, the third heating coiled section 24, the second heating coiled section 23 and the first heating coiled section 22 are sequentially connected in series. The design of the edge heating section 21 helps to keep the temperature of the edge of the vehicle-mounted refrigerator stable, prevent condensation caused by alternating cold and hot and realize the sequential connection with the third heating coiled section 24, the second heating coiled section 23 and the first heating coiled section 22. The layout of the first heating coiled section 22, the second heating coiled section 23 and the third heating coiled section 24 can ensure that each corner inside the vehicle-mounted refrigerator can obtain uniform and constant heat supply, thereby maintaining the stability of the temperature inside the vehicle-mounted refrigerator.

[0028] The heating film of the vehicle-mounted refrigerator is designed and arranged for the attached aluminum foil film 1 and the heating wire to improve the performance of the vehicle-mounted refrigerator. First, the first aluminum foil film 11, the second aluminum foil film 12, the third aluminum foil film 13 and the bendable aluminum foil strip 14 constitute the attached aluminum foil film 1, and the bendable aluminum foil strip 14 is used to cleverly realize the connection between the first aluminum foil film 11 and the second aluminum foil film 12 and the connection between the second aluminum foil film 12 and the third aluminum foil film 13. Such design not only ensures the flexibility of the aluminum foil film, but also makes the whole structure better fit the space form in the vehicle-mounted refrigerator, realizes the transmission of heat from multiple surfaces to each corner of the vehicle-mounted refrigerator, thereby improving the uniform distribution efficiency of heat energy and utilization efficiency. Second, the heating wire is the core part of the heating film of the vehicle-mounted refrigerator. The edge heating section 21, the first heating coiled section 22, the second heating coiled section 23 and the third heating coiled section 24 are connected in series to form an efficient and stable heating network, which is arranged between the two attached aluminum foil films 1 to ensure that each corner of the vehicle-mounted refrigerator can obtain uniform and constant heat supply, thereby maintaining the stability of the internal temperature of the vehicle-mounted refrigerator. Such heating film of the vehicle-mounted refrigerator has the characteristics of uniform and stable heating, high utilization efficiency, flexible bending, simultaneous stable heat transfer from multiple surfaces, and fast heat regulation rate. Not only the performance of the vehicle-mounted refrigerator is improved, but also a more comfortable and convenient refrigeration environment is provided for the user, which brings new technical innovation and market opportunity to the field of vehicle-mounted refrigerator.

[0029] In order to realize stable and reliable connection between the heating wire 2 and the two attached aluminum foil films 1, and simple connection, the heating wire 2 is arranged between the two attached aluminum foil films 1 by double-sided adhesive tape. Of course, other fixing adhesives can also be considered to realize stable connection of the three.

[0030] In the embodiment, the first aluminum foil film 11, the second aluminum foil film 12 and the third aluminum foil film 13 are all rectangular film-shaped; the length of the first aluminum foil film 11, the second aluminum foil film 12 and the third aluminum foil film 13 in the up-down direction is the same; the width of the first aluminum foil film 11 and the third aluminum foil film 13 in the left-right direction is the same; and the width of the second aluminum foil film 12 in the left-right direction is greater than the width of the first aluminum foil film 11 in the left-right direction. In this way, the length and width of the first aluminum foil film 11, the second aluminum foil film 12 and the third aluminum foil film 13 are better customized to be attached to the vehicle-mounted refrigerator, so that each corner of the vehicle-mounted refrigerator can obtain uniform and constant heat supply, thereby maintaining the stability of the internal temperature of the vehicle-mounted refrigerator. Of course, the length and width of the first aluminum foil film 11, the second aluminum foil film 12 and the third aluminum foil film 13 can be reasonably designed according to requirements, and are not limited to the sizes of the present application.

[0031] In order to better realize the heat transfer of multiple surface stability, better customize the attachment in the car refrigerator, to ensure that the car refrigerator inside every corner can obtain uniform and constant heat supply, so as to maintain the stability of the temperature inside the car refrigerator, so as to achieve the effect of uniform heating and high temperature regulation efficiency. The upper end of the first aluminum foil film 11 and the upper end of the second aluminum foil film 12, the lower end of the first aluminum foil film 11 and the lower end of the second aluminum foil film 12, the upper end of the second aluminum foil film 12 and the upper end of the third aluminum foil film 13, the lower end of the second aluminum foil film 12 and the lower end of the third aluminum foil film 13 are connected by a said bendable aluminum foil strip 14; the first aluminum foil film 11, the second aluminum foil film 12 and two said bendable aluminum foil strips 14, and the second aluminum foil film 12, the third aluminum foil film 13 and two said bendable aluminum foil strips 14 are all surrounded by a material saving bending port 15. By designing the bendable aluminum foil strip 14 and forming the material saving bending port 15, the flexibility of the aluminum foil film is ensured, and the whole structure can better fit the space form in the car refrigerator, thereby improving the uniform distribution and utilization efficiency of heat energy, and saving materials and reducing costs.

[0032] In the embodiment, the length of the attached aluminum foil film 1 in the up-down direction is 309-321mm, preferably 315mm; the width of the attached aluminum foil film 1 in the left-right direction is 626-646mm, preferably 636mm.

[0033] The heating wire 2 is a silicon rubber heating wire 2; the silicon rubber heating wire 2 comprises an alloy heating wire and a silicon rubber high temperature insulation layer wrapped outside the alloy heating wire. The silicon rubber heating wire 2 is used as the heating wire 2, which has the characteristics of fast heating, uniform temperature, high thermal efficiency and good toughness.

[0034] In the embodiment, the heating film of the car refrigerator further comprises a power connection module 3, a high temperature wire 4 and a connecting terminal 5; one end of the two said high temperature wires 4 is respectively electrically connected to the positive and negative parts of the power connection module 3; the other end of the two said high temperature wires 4 is respectively electrically connected to the positive and negative parts of the heating wire 2 through the connecting terminal 5. The structure is simple, stable and reliable by the power connection between the power connection module 3, the high temperature wire 4 and the connecting terminal 5 and the heating wire 2.

[0035] Preferably, the other end of one said high temperature wire 4 is electrically connected to the line on the negative part of the heating wire 2 with a temperature control switch 6. Such as a snap type temperature control switch 6. By setting the temperature control switch 6, good temperature control effect can be achieved, which can automatically disconnect the circuit, thereby preventing fire or equipment damage caused by overheating.

[0036] In order to better insulate the temperature control switch 6, facilitate installation between two aluminum foil films 1. The outer surface of the temperature control switch 6 is wrapped with a PI film 7 and is arranged between the two aluminum foil films 1. The PI film 7 is a polyimide film, which has excellent high and low temperature resistance, electrical insulation, adhesion, radiation resistance, and medium resistance, and can better protect the temperature control switch 6 and be installed between the two aluminum foil films 1.

[0037] In order to avoid two high temperature wires 4 too scattered, two high temperature wires 4 are bundled together by a heat shrink tube 8.

[0038] In summary, the heating film of the vehicle-mounted refrigerator provided by the embodiments of the present application is designed and arranged for the aluminum foil film 1 and the heating wire to improve the performance of the vehicle-mounted refrigerator. First, the first aluminum foil film 11, the second aluminum foil film 12, the third aluminum foil film 13 and the bendable aluminum foil strip 14 constitute the aluminum foil film 1, and the bendable aluminum foil strip 14 is used to cleverly realize the connection between the first aluminum foil film 11 and the second aluminum foil film 12 and the connection between the second aluminum foil film 12 and the third aluminum foil film 13. Such design not only ensures the flexibility of the aluminum foil film, but also enables the entire structure to better fit the space form inside the vehicle-mounted refrigerator, realizes the simultaneous transmission of heat from multiple surfaces to each corner inside the vehicle-mounted refrigerator, thereby improving the uniform distribution efficiency of heat energy and utilization efficiency. Secondly, the heating wire is the core part of the heating film of the vehicle-mounted refrigerator, and the edge heating section 21, the first heating coil section 22, the second heating coil section 23 and the third heating coil section 24 are connected in series to form an efficient and stable heating network arranged between the two aluminum foil films 1, which can ensure that each corner inside the vehicle-mounted refrigerator can obtain uniform and constant heat supply, thereby maintaining the stability of the internal temperature of the vehicle-mounted refrigerator. Such a heating film of the vehicle-mounted refrigerator has the characteristics of uniform and stable heating, high utilization efficiency, flexible bending, simultaneous stable heat transfer from multiple surfaces, and fast heat regulation rate, which not only improves the performance of the vehicle-mounted refrigerator, but also provides users with a more comfortable and convenient refrigeration environment, and brings new technical innovation and market opportunities to the field of vehicle-mounted refrigerators.

[0039] The above only describes the preferred embodiments of the present application, and it should be noted that those skilled in the art can make several improvements and replacements without departing from the technical principles of the present application, and these improvements and replacements should also be considered as the protection scope of the present application.

Claims

1. A heating film of a vehicle-mounted refrigerator, applied to a vehicle-mounted refrigerator, characterized in that, The heating wire is arranged between the two aluminum foil films through double-sided adhesive tape. The heating wire includes an edge heating section and first, second and third heating coil sections respectively coiled on the first, second and third aluminum foil films. The heating wire is arranged between the two aluminum foil films through double-sided adhesive tape.

2. The heat generating film of the vehicle-mounted refrigerator according to claim 1, characterized by The heating wire includes an edge heating section and first, second and third heating coil sections respectively coiled on the first, second and third aluminum foil films.

3. The heat generating film of the vehicle-mounted refrigerator according to claim 1, characterized by, The heating wire is arranged between the two aluminum foil films through double-sided adhesive tape.

4. The heat generating film of the vehicle-mounted refrigerator according to claim 3, characterized by The heating wire includes an edge heating section and first, second and third heating coil sections respectively coiled on the first, second and third aluminum foil films.

5. The heat generating film of the vehicle-mounted refrigerator according to claim 4, characterized by The heating wire is arranged between the two aluminum foil films through double-sided adhesive tape.

6. The heat generating film of the vehicle-mounted refrigerator according to claim 3, characterized by The heating wire includes an edge heating section and first, second and third heating coil sections respectively coiled on the first, second and third aluminum foil films.

7. The heat generating film of the vehicle-mounted refrigerator according to claim 1, characterized by The heating wire is arranged between the two aluminum foil films through double-sided adhesive tape. The heating wire includes an edge heating section and first, second and third heating coil sections respectively coiled on the first, second and third aluminum foil films.

8. The heat generating film of the vehicle-mounted refrigerator according to claim 1, characterized by, The heating wire is arranged between the two aluminum foil films through double-sided adhesive tape. The heating wire includes an edge heating section and first, second and third heating coil sections respectively coiled on the first, second and third aluminum foil films.

9. The heat generating film of the vehicle-mounted refrigerator according to claim 1, characterized by, The heating wire is arranged between the two aluminum foil films through double-sided adhesive tape.

10. The heat generating film of the vehicle-mounted refrigerator according to claim 1, characterized by, The heating wire includes an edge heating section and first, second and third heating coil sections respectively coiled on the first, second and third aluminum foil films. The heating wire is arranged between the two aluminum foil films through double-sided adhesive tape. The heating wire includes an edge heating section and first, second and third heating coil sections respectively coiled on the first, second and third aluminum foil films. The heating wire is arranged between the two aluminum foil films through double-sided adhesive tape. The heating wire includes an edge heating section and first, second and third heating coil sections respectively coiled on the first, second and third aluminum foil films. The heating wire is arranged between the two aluminum foil films through double-sided adhesive tape. 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