Waterproof and moistureproof liquid crystal display module

Abstract

The utility model discloses a waterproof moistureproof liquid crystal display module which comprises a PCB, a waterproof moistureproof assembly and a heat conduction assembly, the waterproof moistureproof assembly comprises a display module, the bottom of the display module is fixedly connected to the top of the PCB, an inner side installation hole is formed in the surface of the PCB, and the heat conduction assembly is fixedly connected to the inner side installation hole. The number of the inner side mounting holes is four, the four inner side mounting holes are evenly distributed, an acrylic lower shell is arranged at the bottom of the PCB, a groove is formed in the top of the acrylic lower shell, and an acrylic upper shell is arranged in the groove. The waterproof and moistureproof component is used for performing waterproof and moistureproof protection on the liquid crystal display module, in an indoor environment, when the liquid crystal display module is used for a long time or the environment humidity is greatly changed, the display screen short circuit caused by moisture invasion is prevented, in an outdoor environment, even if the liquid crystal display module is directly exposed to the natural environment, the waterproof and moistureproof effects can be effectively achieved, and the display screen short circuit is avoided. And safety accidents such as fire disasters are prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid crystal display module technical field, concretely is a waterproof and moistureproof liquid crystal display module. BACKGROUND

[0002] Liquid crystal display module is an integrated module that applies liquid crystal display technology to practical display devices, it is an important component of modern electronic products, and it is an electronic component for displaying images and text, it is composed of one or more liquid crystal screens, and integrated circuit, backlight, integrated circuit and other components, these components work together to make the liquid crystal display module display clear and distinct images and text, specifically, the liquid crystal display module is usually composed of the following parts: liquid crystal sheet: composed of a thin film and an electrode, it is the key part of displaying images and text, when voltage is applied to the electrode, the liquid crystal molecules in the liquid crystal sheet will change, thereby changing the light transmittance of the liquid crystal sheet, realizing the display effect, backlight module: composed of one or more LEDs, providing backlight for the liquid crystal sheet, when the LED emits light, the liquid crystal molecules in the liquid crystal sheet will further change the light transmittance, thereby enhancing the display effect, drive IC and control IC: used to control the brightness of the LED and the voltage of the liquid crystal sheet, so as to realize accurate control of the display effect.

[0003] According to the dye liquid crystal display module disclosed by CN219891854U of China patent network, the lower shell is provided with a liquid crystal display module body on the bottom of the inner side, the top of the lower shell is provided with a connecting clamping groove on both sides, and the connecting clamping block is provided in the connecting clamping groove. The utility model dye liquid crystal display module, through the limiting clamping of two connecting clamping blocks and two connecting clamping grooves, the upper shell is preliminarily limited, the two limiting springs are respectively limited in the two limiting grooves, the two connecting clamping blocks are limited, and the upper shell is further limited and clamped, so as to clamp and fix the liquid crystal display module body, realize the quick installation of the liquid crystal display module body, and the upper shell is pulled up by using larger force, so that the two limiting springs are separated from the two limiting grooves, the upper shell is disassembled, and the liquid crystal display module body is disassembled and maintained conveniently, but the waterproof and moistureproof effect of the liquid crystal display module is poor, in the indoor environment, although the humidity is relatively low, but when used for a long time or the environmental humidity changes greatly, there is still the risk of moisture intrusion leading to short circuit of the display screen, in the outdoor environment, when the waterproof function is poor, the display screen is easily short-circuited, and serious accidents such as fire may be caused.

[0004] Therefore, it is necessary to design and reform the liquid crystal display module to effectively prevent the poor waterproof and moistureproof phenomenon. UTILITY MODEL CONTENTS

[0005] To solve the problems in the background art, the utility model discloses a waterproof and moistureproof liquid crystal display module has the advantages of waterproof and moistureproof, solves the poor waterproof and moistureproof problem.

[0006] To achieve the above object, the utility model provides the following technical scheme: a waterproof and moistureproof liquid crystal display module, including PCB circuit board, waterproof and moistureproof assembly and heat conduction component,

[0007] The waterproof and moistureproof assembly includes a display module, the bottom of the display module is fixedly connected to the top of the PCB circuit board, the surface of the PCB circuit board is provided with an inside mounting hole, the number of the inside mounting hole is four and is evenly distributed, the bottom of the PCB circuit board is provided with a plexiglass lower shell, the top of the plexiglass lower shell is provided with a groove, the inside of the groove is provided with a plexiglass upper shell, the PCB circuit board is located at the bottom of the plexiglass upper shell, the inside of the groove is fixedly connected with sealing glue, the front side of the PCB circuit board is fixedly connected with a module wire, and the surface of the PCB circuit board is provided with three-proof paint.

[0008] As the utility model prefers, the heat conduction component includes a heat conduction plate, the heat conduction plate is fixedly connected to the bottom of the plexiglass lower shell, the top of the heat conduction plate is in contact with the bottom of the PCB circuit board, the bottom of the heat conduction plate is fixedly connected with a heat dissipation fin, and the bottom of the plexiglass lower shell is fixedly connected with a supporting block.

[0009] As the utility model prefers, the front side of the plexiglass lower shell is fixedly connected with waterproof glue, and the top of the waterproof glue is fixedly connected with the surface of the module wire.

[0010] As the utility model prefers, the top of the PCB circuit board is fixedly connected with a supporting strip, and the top of the supporting strip is in contact with the bottom of the plexiglass upper shell.

[0011] As the utility model prefers, the inside of the plexiglass lower shell is fixedly connected with a reinforcing block, and the number of the reinforcing block is four and is evenly distributed.

[0012] As the utility model prefers, the top of the plexiglass lower shell is provided with an outside mounting hole, and the number of the outside mounting hole is four and is evenly distributed.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1. The utility model discloses a waterproof and moistureproof assembly is used to the waterproof and moistureproof protection of liquid crystal display module, when long -time use or environmental humidity changes greatly in indoor environment, prevent the moisture invasion and lead to display screen short circuit, in the outdoor environment, even if direct exposure in the natural environment, can effectively waterproof, avoid the short circuit of display screen, prevent the fire and other safety accidents caused.

[0015] 2. The utility model discloses a heat conduction assembly is set up, can export the heat generated by PCB circuit board, improve the heat conduction effect of acrylic lower shell.

[0016] 3. The utility model discloses a waterproof adhesive is set up, can seal the gap between module wire and acrylic lower shell, improve the sealing property of acrylic lower shell.

[0017] 4. The utility model discloses a support strip is set up, can support acrylic upper shell, improve the overall strength of acrylic upper shell.

[0018] 5. The utility model discloses a reinforcing block is set up, can strengthen acrylic upper shell, improve the stability of acrylic upper shell.

[0019] 6. The utility model discloses an outside mounting hole is set up, can be convenient for acrylic lower shell installation fixed, improve the installation convenience of acrylic lower shell. DRAWINGS

[0020] Figure 1 It is the structure schematic drawing of the utility model;

[0021] Figure 2 It is the display module solid schematic drawing of the utility model;

[0022] Figure 3 It is the heat dissipation fin solid schematic drawing of the utility model;

[0023] Figure 4 It is the acrylic upper shell solid schematic drawing of the utility model.

[0024] In the drawing: 1, PCB circuit board;2, waterproof and moistureproof assembly;201, display module;202, inside mounting hole;203, acrylic lower shell;204, recess;205, acrylic upper shell;206, sealing glue;207, module wire;3, heat conduction assembly;301, heat conduction plate material;302, heat dissipation fin;303, support block;4, waterproof adhesive;5, support strip;6, reinforcing block;7, outside mounting hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0026] As shown in Figures 1 to 4 , the utility model provides a waterproof and moistureproof liquid crystal display module, including PCB circuit board 1, waterproof and moistureproof assembly 2 and heat conduction assembly 3,

[0027] Waterproof and moistureproof assembly 2 includes display module 201, and the bottom of display module 201 is fixedly connected at the top of PCB circuit board 1, and the surface of PCB circuit board 1 is provided with inside mounting hole 202, the number of inside mounting hole 202 is four and is evenly distributed, and the bottom of PCB circuit board 1 is provided with acrylic lower shell 203, the top of acrylic lower shell 203 is provided with recess 204, the inside of recess 204 is provided with acrylic upper shell 205, and PCB circuit board 1 is located at the bottom of acrylic upper shell 205, and recess 204 is fixedly connected with sealing glue 206, and the front side of PCB circuit board 1 is fixedly connected with module wire 207, and the surface of PCB circuit board 1 is provided with three-proof paint.

[0028] Reference Figure 3 , heat conduction assembly 3 includes heat conduction plate 301, and heat conduction plate 301 is fixedly connected at the bottom of acrylic lower shell 203, and the top of heat conduction plate 301 is in contact with the bottom of PCB circuit board 1, and the bottom of heat conduction plate 301 is fixedly connected with heat dissipation fin 302, and the bottom of acrylic lower shell 203 is fixedly connected with support block 303.

[0029] As a technical optimization scheme of the utility model, by setting heat conduction assembly 3, the heat generated by PCB circuit board 1 can be led out, and the heat conduction effect of acrylic lower shell 203 is improved.

[0030] Reference Figure 3 , the front side of acrylic lower shell 203 is fixedly connected with waterproof glue 4, and the top of waterproof glue 4 is fixedly connected with the surface of module wire 207.

[0031] As a technical optimization scheme of the utility model, by setting waterproof glue 4, the gap between module wire 207 and acrylic lower shell 203 can be sealed, and the sealing property of acrylic lower shell 203 is improved.

[0032] Reference Figure 2 , the top of PCB circuit board 1 is fixedly connected with support strip 5, and the top of support strip 5 is in contact with the bottom of acrylic upper shell 205.

[0033] As a technical optimization scheme of the utility model, through setting up support strip 5, can support acrylic upper shell 205, improve the overall strength of acrylic upper shell 205.

[0034] Reference Figure 2 The inside of acrylic lower shell 203 is fixedly connected with reinforcing block 6, the number of reinforcing block 6 is four and is evenly distributed.

[0035] As a technical optimization scheme of the utility model, through setting up reinforcing block 6, can strengthen acrylic upper shell 205, improve the stability of acrylic upper shell 205.

[0036] Reference Figure 3 The top of acrylic lower shell 203 is provided with outside mounting hole 7, the number of outside mounting hole 7 is four and is evenly distributed.

[0037] As a technical optimization scheme of the utility model, through setting up outside mounting hole 7, can be convenient for acrylic lower shell 203 installation and fixation, improve the installation convenience of acrylic lower shell 203.

[0038] The working principle and use process of the utility model: when needing to waterproof protection to liquid crystal display module, when using, PCB circuit board 1 is placed into acrylic lower shell 203, through inside mounting hole 202, PCB circuit board 1 is installed in acrylic lower shell 203, the bottom of acrylic upper shell 205 is inserted into recess 204, acrylic upper shell 205 and acrylic lower shell 203 are connected and sealed through sealing glue 206, waterproof glue 4 is used to seal the gap between module wire 207 and acrylic lower shell 203, waterproof and moisture-proof effect can be realized, heat-conducting plate 301 and heat-dissipating fin 302 export the heat generated by PCB circuit board 1 to dissipate heat.

[0039] Summarized above: the waterproof and moisture-proof liquid crystal display module, waterproof and moisture-proof assembly is used to waterproof and moisture-proof protection to liquid crystal display module, when long time use or environment humidity changes greatly in indoor environment, prevent moisture intrusion to cause display screen short circuit, even if directly exposed in natural environment in outdoor environment, can effectively waterproof, avoid display screen short circuit, prevent fire and other safety accidents, solve the problem of poor waterproof and moisture-proof.

[0040] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0041] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A waterproof and moisture-proof liquid crystal display module, comprising a PCB circuit board (1), a waterproof and moisture-proof assembly (2) and a heat conduction assembly (3); characterized in that The waterproof and moisture-proof assembly (2) comprises a display module (201), the bottom of the display module (201) is fixedly connected to the top of the PCB circuit board (1), the surface of the PCB circuit board (1) is provided with an inner mounting hole (202), the number of the inner mounting hole (202) is four and is uniformly distributed, the bottom of the PCB circuit board (1) is provided with an acrylic lower shell (203), the top of the acrylic lower shell (203) is provided with a groove (204), the inside of the groove (204) is provided with an acrylic upper shell (205), the PCB circuit board (1) is located at the bottom of the acrylic upper shell (205), the inside of the groove (204) is fixedly connected with a sealing glue (206), the front side of the PCB circuit board (1) is fixedly connected with a module wire (207), and the surface of the PCB circuit board (1) is provided with a three-proof paint.

2. The waterproof and moisture-proof liquid crystal display module according to claim 1, characterized in that: The heat conduction assembly (3) comprises a heat conduction plate (301), the heat conduction plate (301) is fixedly connected to the bottom of the acrylic lower shell (203), the top of the heat conduction plate (301) is in contact with the bottom of the PCB circuit board (1), the bottom of the heat conduction plate (301) is fixedly connected with a heat dissipation fin (302), and the bottom of the acrylic lower shell (203) is fixedly connected with a supporting block (303).

3. The waterproof and moisture-proof liquid crystal display module according to claim 1, characterized in that: The front side of the acrylic lower shell (203) is fixedly connected with waterproof glue (4), and the top of the waterproof glue (4) is fixedly connected with the surface of the module wire (207).

4. The waterproof and moisture-proof liquid crystal display module according to claim 1, characterized in that: The top of the PCB circuit board (1) is fixedly connected with a supporting strip (5), and the top of the supporting strip (5) is in contact with the bottom of the acrylic upper shell (205).

5. The waterproof and moisture-proof liquid crystal display module according to claim 1, characterized in that: The inside of the acrylic lower shell (203) is fixedly connected with a reinforcing block (6), and the number of the reinforcing block (6) is four and is uniformly distributed.

6. The waterproof and moisture-proof liquid crystal display module according to claim 1, characterized in that: The top of the acrylic lower shell (203) is provided with an outer mounting hole (7), and the number of the outer mounting hole (7) is four and is uniformly distributed.

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