Back pasting type heating film of locomotive liquid crystal display screen

Abstract

The utility model discloses a back pasting type heating film of a locomotive liquid crystal display screen, which comprises a display screen body, a heating film body is arranged on the back of the display screen body, a power connection mechanism is arranged on the lower portion of the heating film body, and the heating film body comprises a protective layer, a resistance layer and a film material which are sequentially arranged from top to bottom. When current of the resistive layer passes through, certain heat can be generated due to the fact that the resistance value is large, the heat is transmitted to the display screen body through the thin film material, the thin film material is a metal material with good conductivity and high-temperature resistance, heat transmission is facilitated, the heating effect is optimal when the power of the heating film body is 27 w, and the display screen body can be heated conveniently. The heating film body can uniformly and quickly heat the whole liquid crystal screen in a large area, so that the probability that a locomotive display cannot be started in a low-temperature environment is effectively reduced, and the running reliability of the display is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heating films, and more specifically to a back-sticking heating film for a locomotive liquid crystal display screen. Background Art

[0002] Nowadays, the domestic rail transit industry is booming. All regions across the country are actively building railways, opening high-speed railways and subways. The increase in railway mileage has made people's travel more convenient and their sense of happiness has also improved. Then the question that follows is whether the safe operation of trains in some severely cold regions in low temperature environments can be guaranteed.

[0003] Generally speaking, in a low temperature environment, the startup of the equipment will be restricted, and the operation of the locomotive display will also be affected by the temperature. Therefore, it is necessary to provide a new technical solution to solve the problem. Utility Model Content

[0004] The utility model aims to provide a back-sticking heating film for a motorcycle liquid crystal display screen, which solves the problem that the startup of the equipment will be restricted in a low-temperature environment and the operation of the motorcycle display will also be affected by the temperature.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a back-stick heating film for a locomotive liquid crystal display screen, comprising: a display screen body, a heating film body is arranged on the back of the display screen body and a power connection mechanism is arranged at the lower part of the heating film body, the heating film body comprises a protective layer, a resistance layer and a thin film material arranged in sequence from top to bottom, the resistance layer is electrically connected to the power connection mechanism, a wiring hole and an installation groove are arranged inside the power connection mechanism, a pressure block is arranged inside the installation groove and a fixing card is arranged at the lower part of the pressure block, the fixing card is located inside the wiring hole and a contact sheet is arranged inside the wiring hole, and the contact sheet is electrically connected to the resistance layer.

[0006] As a preferred embodiment of the utility model, clamping blocks are arranged on both sides of the pressing block and connecting blocks are arranged on both inner sides of the installation groove, and the connecting blocks and the clamping blocks are interlocked with each other.

[0007] As a preferred embodiment of the present utility model, a fixing glue is provided at the bottom of the heating film body and the heating film body is fixedly connected to the display screen through the fixing glue.

[0008] As a preferred embodiment of the present utility model, the electric shock sheet is arranged in a semi-arc structure.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0010] The utility model is provided with a heating film body at the back of the display screen body and a power connection mechanism is provided at the lower part of the heating film body. The heating film body includes a protective layer, a resistance layer and a film material arranged in sequence from top to bottom, wherein the protective layer is used to isolate temperature transfer to avoid burns. When the current passes through the resistance layer, a certain amount of heat will be generated due to the large resistance value, and then the heat is transferred to the display screen body through the film material. The film material is a metal material with good electrical conductivity and high temperature resistance, which is convenient for heat transfer. When the power of the heating film body is 27w, the heating effect is the best, and the heating film body can heat the screen uniformly, quickly and over a large area. Heating the entire LCD screen effectively reduces the probability that the locomotive display cannot be started in a low-temperature environment, and improves the reliability of the display operation. The resistance layer is electrically connected to the power connection mechanism, and a wiring hole and an installation groove are arranged inside the power connection mechanism. A pressure block is arranged inside the installation groove, and a fixing card is arranged at the lower part of the pressure block. The fixing card is located inside the wiring hole, and a contact sheet is arranged inside the wiring hole. The contact sheet is electrically connected to the resistance layer. Insert the external power cord into the wiring hole, press the pressure block to make the fixing card descend and contact the power cord, so as to contact and fix it with the contact sheet. This connection method is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the back structure of the utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the heating film body of the utility model;

[0014] Figure 4 It is a schematic diagram of the structure of the power connection mechanism of the utility model.

[0015] In the figure: 1. display screen body; 2. heating film body; 3. power connection mechanism; 4. pressing block; 5. protective layer; 6. resistance layer; 7. film material; 8. fixing glue; 9. wiring hole; 10. electric contact sheet; 11. installation slot; 12. clamping block; 13. clamping block; 14. fixing card shell. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-4The utility model provides a technical solution: a back-sticking heating film for a locomotive liquid crystal display screen, comprising: a display screen body 1, a heating film body 2 is arranged on the back of the display screen body 1, and a power connection mechanism 3 is arranged at the bottom of the heating film body 2, the heating film body 2 comprises a protective layer 5, a resistor layer 6 and a film material 7 arranged in sequence from top to bottom, the resistor layer 6 is electrically connected to the power connection mechanism 3, a wiring hole 9 and a mounting groove 11 are arranged inside the mounting groove 11, a pressing block 4 is arranged inside the pressing block 4 and a fixing card 14 is arranged at the bottom of the pressing block 4, the fixing card 14 is located inside the wiring hole 9 and a contact sheet 10 is arranged inside the wiring hole 9, the contact sheet 10 is electrically connected to the resistor layer 6, a heating film body 2 is arranged on the back of the display screen body 1 and a power connection mechanism 3 is arranged at the bottom of the heating film body 2, the heating film body 2 comprises a protective layer 5, a resistor layer 6 and a film material 7 arranged in sequence from top to bottom, wherein the protective layer 5 is used to isolate temperature transfer to avoid burns, and the resistor layer 6 is electrically connected to the resistor layer 6. When current flows through, due to the large resistance value, a certain amount of heat will be generated, which will be transferred to the display screen body 1 through the film material 7. The film material 7 is a metal material with good electrical conductivity and high temperature resistance, which is convenient for heat transfer. The heating effect is best when the power of the heating film body 2 is 27w. The heating film body 2 can heat the entire LCD screen evenly, quickly and over a large area, effectively reducing the probability that the locomotive display cannot be started in a low temperature environment, and improving the reliability of the display operation. The resistance layer 6 is electrically connected to the power connection mechanism 3, and the power connection mechanism 3 is provided with a wiring hole 9 and a mounting groove 11. A pressing block 4 is provided inside the mounting groove 11, and a fixing card 14 is provided at the lower part of the pressing block 4. The fixing card 14 is located inside the wiring hole 9 and a contact sheet 10 is provided inside the wiring hole 9. The contact sheet 10 is electrically connected to the resistance layer 6. Insert the external power cord into the wiring hole 9, press the pressing block 4 to make the fixing card 14 descend and contact the power cord, thereby contacting and fixing it with the contact sheet 10. This connection method is simple and convenient.

[0018] Further improvements, such as Figure 4 As shown, clamping blocks 12 are arranged on both sides of the pressing block 4 and clamping blocks 13 are arranged on both sides of the inner side of the installation groove 11. The clamping blocks 13 and the clamping blocks 12 are interlocked with each other. This arrangement ensures the stability of the installation of the pressing block 4.

[0019] Further improvements, such as Figure 3 As shown: a fixing glue 8 is arranged at the bottom of the heating film body 2 and the heating film body 2 is fixedly connected to the display screen through the fixing glue 8. This arrangement facilitates the fixed installation of the heating film body 2.

[0020] Further improvements, such as Figure 4As shown: the electric shock sheet 10 is arranged in a semi-arc structure, and after being pressed, the electric shock sheet 10 is wrapped around the surface of the power line, ensuring good contact.

[0021] The utility model is provided with a heating film body 2 on the back of the display screen body 1 and a power connection mechanism 3 is provided at the lower part of the heating film body 2. The heating film body 2 includes a protective layer 5, a resistance layer 6 and a film material 7 arranged in sequence from top to bottom, wherein the protective layer 5 is used to isolate temperature transfer to avoid burns. When the current of the resistance layer 6 passes through, a certain amount of heat will be generated due to the large resistance value, thereby transmitting to the display screen body 1 through the film material 7. The film material 7 is a metal material with good electrical conductivity and high temperature resistance, which is convenient for heat transfer. When the power of the heating film body 2 is 27w, the heating effect is the best. The heating film body 2 can evenly, quickly and over a large area heat the entire liquid crystal screen. Heating effectively reduces the probability that the locomotive display cannot be started in a low temperature environment, and improves the reliability of the display operation. The resistance layer 6 is electrically connected to the power connection mechanism 3. The power connection mechanism 3 is provided with a wiring hole 9 and a mounting groove 11. A pressing block 4 is provided inside the mounting groove 11, and a fixing card 14 is provided at the lower part of the pressing block 4. The fixing card 14 is located inside the wiring hole 9 and a contact plate 10 is provided inside the wiring hole 9. The contact plate 10 is electrically connected to the resistance layer 6. Insert the external power cord into the wiring hole 9, press the pressing block 4 to make the fixing card 14 descend and contact the power cord, thereby contacting and fixing it with the contact plate 10. This connection method is simple and convenient.

[0022] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0023] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, and can be mechanical or electrical connections, or internal connectivity between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may change.

[0024] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A back-stick heating film for a motorcycle liquid crystal display screen, characterized in that: include: A display screen body (1), wherein a heating film body (2) is arranged on the back of the display screen body (1) and a power connection mechanism (3) is arranged at the bottom of the heating film body (2), wherein the heating film body (2) comprises a protective layer (5), a resistor layer (6) and a thin film material (7) arranged in sequence from top to bottom, wherein the resistor layer (6) is electrically connected to the power connection mechanism (3), wherein a wiring hole (9) and a mounting groove (11) are arranged inside the power connection mechanism (3), wherein a pressing block (4) is arranged inside the mounting groove (11) and a fixing card (14) is arranged at the bottom of the pressing block (4), wherein the fixing card (14) is located inside the wiring hole (9) and a contact plate (10) is arranged inside the wiring hole (9), wherein the contact plate (10) is electrically connected to the resistor layer (6).

2. The back-stick heating film for a motorcycle liquid crystal display according to claim 1 is characterized in that: Clamping blocks (12) are arranged on both sides of the pressing block (4) and connecting blocks (13) are arranged on both inner sides of the installation groove (11), and the connecting blocks (13) and the clamping blocks (12) are interlocked with each other.

3. The back-mounted heating film for a motorcycle liquid crystal display according to claim 1 is characterized in that: A fixing glue (8) is provided at the bottom of the heating film body (2), and the heating film body (2) is fixedly connected to the display screen via the fixing glue (8).

4. The back-mounted heating film for a motorcycle liquid crystal display according to claim 1 is characterized in that: The electric shock sheet (10) is arranged in a semi-arc structure.

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