CN210109503U - Low-temperature-resistant security liquid crystal display - Google Patents
Low-temperature-resistant security liquid crystal display Download PDFInfo
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- CN210109503U CN210109503U CN201920772813.0U CN201920772813U CN210109503U CN 210109503 U CN210109503 U CN 210109503U CN 201920772813 U CN201920772813 U CN 201920772813U CN 210109503 U CN210109503 U CN 210109503U
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Abstract
The utility model provides a low temperature resistant security liquid crystal display, include: the backlight module comprises a shell, a first flexible heat conducting plate, a backlight module, a liquid crystal display module and a glass cover plate; the shell is in a cuboid box shape with an open top surface, the first flexible heat-conducting plate comprises a first rectangular part and four second rectangular parts respectively connected to four sides of the first rectangular part, the first flexible heat-conducting plate is arranged in the shell, the first rectangular part is tiled on the bottom wall in the shell, and the four second rectangular parts are respectively arranged on four side walls in the shell; the backlight module comprises a direct type light source assembly and a light guide plate, the direct type light source assembly is arranged on the first rectangular portion, the light guide plate is arranged above the direct type light source assembly, the liquid crystal display module is arranged on the backlight module, the glass cover plate covers the top surface of the shell, and the glass cover plate is provided with a vacuum thermal insulation layer.
Description
Technical Field
The utility model relates to a liquid crystal display field, in particular to low temperature resistant safety protection LCD.
Background
Liquid crystal molecules in the liquid crystal display panel can be condensed under an ultra-low temperature environment, so that normal display cannot be realized, but in practical application, the liquid crystal display is required to be used under a low temperature environment, such as south pole or snow mountain.
Therefore, there is a need in the art for a liquid crystal display that can be used in low temperature environments.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a low temperature resistant security liquid crystal display has the beneficial effect who adapts to various low temperature environment.
The utility model provides a low temperature resistant security liquid crystal display, include: the backlight module comprises a shell, a first flexible heat conducting plate, a backlight module, a liquid crystal display module and a glass cover plate;
the shell is in a cuboid box shape with an open top surface, the first flexible heat-conducting plate comprises a first rectangular part and four second rectangular parts respectively connected to four sides of the first rectangular part, the first flexible heat-conducting plate is arranged in the shell, the first rectangular part is tiled on the bottom wall in the shell, and the four second rectangular parts are respectively arranged on four side walls in the shell;
the backlight module comprises a direct type light source assembly and a light guide plate, the direct type light source assembly is arranged on the first rectangular portion, the light guide plate is arranged above the direct type light source assembly, the liquid crystal display module is arranged on the backlight module, the glass cover plate covers the top surface of the shell, and the glass cover plate is provided with a vacuum thermal insulation layer.
Low temperature resistant safety protection LCD in, the shell is interior to press from both sides and is equipped with the one deck insulating layer, the shape of insulating layer with the shape of shell is the same.
Low temperature resistant ann defends LCD in, straight following formula light source subassembly includes a plurality of lamp strips, a plurality of lamp strips set up evenly at intervals in first rectangle portion.
Low temperature resistant ann defends LCD in, evenly set up in electric heating wire on the lateral surface of first flexible heat-conducting plate.
Low temperature resistant ann defends LCD in, still be provided with master control circuit and temperature sensor on the first flexible heat-conducting plate, master control circuit respectively with temperature sensor and the electric heating wire electricity is connected.
Low temperature resistant safety protection LCD in, still be provided with touch-control induction circuit on the top surface of the vacuum insulation layer of glass apron.
The utility model discloses a heat conduction of this first flexible heat-conducting plate is with each region in the heat dispersion to the shell that this straight following formula light source subassembly produced, realizes carrying out the purpose of heating in this shell to adapt to low temperature environment.
Drawings
Fig. 1 is a schematic structural diagram of a low temperature resistant security lcd according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a low temperature resistant security lcd according to some embodiments of the present invention. The low temperature resistant safety liquid crystal display comprises: the flexible heat-conducting plate comprises a shell 10, a first flexible heat-conducting plate 20, a backlight module 30, a liquid crystal display module 40 and a glass cover plate 50.
Wherein, this shell 10 is the open cuboid box-like in top surface. The housing 10 is formed of three layers of material including a rigid protective layer at the outermost layer, an insulating filler layer 11 at the middle, and a conductive connecting layer at the innermost layer. The insulating filler layer 11 has the same shape as the outer shell.
The first flexible heat-conducting plate 20 includes a first rectangular portion 21 and four second rectangular portions 22 respectively connected to four sides of the first rectangular portion 21. The first flexible heat conducting plate 20 is disposed in the housing 10, the first rectangular portion 21 is disposed on the bottom wall of the housing 10, and the four second rectangular portions 22 are disposed on the four side walls of the housing 10.
The backlight module 30 includes a direct-type light source assembly 31 and a light guide plate 32, the direct-type light source assembly 31 is disposed on the first rectangular portion 22, the light guide plate 32 is disposed above the direct-type light source assembly 31, the liquid crystal display module 40 is disposed on the backlight module 30, the glass cover plate 50 covers the top surface of the housing 10, and the glass cover plate 50 is provided with a vacuum insulation layer 51.
The direct type light source assembly 31 includes a plurality of light bars, and the plurality of light bars are uniformly arranged on the first rectangular portion 21 at intervals. Wherein, the outer side of the first flexible heat conducting plate 20 is uniformly provided with electric heating wires. The first flexible heat conducting plate is provided with a main control circuit and a temperature sensor, and the main control circuit is respectively electrically connected with the temperature sensor and the electric heating wire. When the temperature sensor detects that the temperature is lower than the preset value, the electric heating wire is controlled to heat so as to increase the temperature in the casing 10. Under normal conditions, because the thermal-insulated effect of shell, the heat that produces this straight following formula light source subassembly 31 disperses each region in shell 10 through the heat conduction effect of this flexible heat-conducting plate 20, realizes carrying out the purpose of heating in this shell to adapt to low temperature environment.
Wherein, still be provided with touch-control induction circuit on the top surface of the vacuum insulating layer of glass apron. The touch sensing circuit is a common touch sensing circuit in the prior art, and is used for realizing touch operation on the liquid crystal display module 40.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.
Claims (6)
1. A low temperature resistant security liquid crystal display, comprising: the backlight module comprises a shell, a first flexible heat conducting plate, a backlight module, a liquid crystal display module and a glass cover plate;
the shell is in a cuboid box shape with an open top surface, the first flexible heat-conducting plate comprises a first rectangular part and four second rectangular parts respectively connected to four sides of the first rectangular part, the first flexible heat-conducting plate is arranged in the shell, the first rectangular part is tiled on the bottom wall in the shell, and the four second rectangular parts are respectively arranged on four side walls in the shell;
the backlight module comprises a direct type light source assembly and a light guide plate, the direct type light source assembly is arranged on the first rectangular portion, the light guide plate is arranged above the direct type light source assembly, the liquid crystal display module is arranged on the backlight module, the glass cover plate covers the top surface of the shell, and the glass cover plate is provided with a vacuum thermal insulation layer.
2. The low temperature resistant and fire-proof liquid crystal display device of claim 1, wherein a thermal insulation layer is sandwiched in the housing, and the shape of the thermal insulation layer is the same as that of the housing.
3. The low temperature resistant and fire-proof liquid crystal display of claim 1, wherein the direct type light source assembly comprises a plurality of light bars, and the plurality of light bars are uniformly arranged on the first rectangular portion at intervals.
4. The low temperature resistant and fire-proof liquid crystal display of claim 1, wherein the outer side surface of the first flexible heat conducting plate is uniformly provided with electric heating wires.
5. The low temperature resistant security liquid crystal display of claim 4, wherein the first flexible heat conducting plate is further provided with a main control circuit and a temperature sensor, and the main control circuit is electrically connected with the temperature sensor and the electric heating wire respectively.
6. The low temperature resistant and security liquid crystal display according to claim 1, wherein a touch sensing circuit is further disposed on the top surface of the vacuum heat insulation layer of the glass cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772813.0U CN210109503U (en) | 2019-05-27 | 2019-05-27 | Low-temperature-resistant security liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772813.0U CN210109503U (en) | 2019-05-27 | 2019-05-27 | Low-temperature-resistant security liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210109503U true CN210109503U (en) | 2020-02-21 |
Family
ID=69561072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920772813.0U Active CN210109503U (en) | 2019-05-27 | 2019-05-27 | Low-temperature-resistant security liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210109503U (en) |
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2019
- 2019-05-27 CN CN201920772813.0U patent/CN210109503U/en active Active
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