CN212322582U - Anti-static LCD (liquid crystal display) module - Google Patents

Abstract

The utility model belongs to the technical field of the liquid crystal display module assembly, especially, prevent static LCD liquid crystal display module assembly, including the display module assembly body, the fixed surface of display module assembly body has cup jointed the electrically conductive sealing layer, and the fixed surface of electrically conductive sealing layer is connected with the sealed cowling, and the fixed surface of sealed cowling is connected with static dissipation layer. This prevent static LCD liquid crystal display module, the fixed surface through setting up the display module body has cup jointed the conductive sealing layer, when using, conduct electricity to the liquid crystal display module surface through the conductive sealing layer, the transformer oil through insulating cooling seal intracavity portion carries out insulating cooling seal to the conductive sealing layer, the electric current through conducting rod with the conductive sealing layer surface transmits the static dissipation layer and carries out electrostatic dissipation, thereby solved current liquid crystal display module and lacked anti-static mechanism, lead to the liquid crystal display module to receive electrostatic interference for a long time, influence the problem of the normal work of liquid crystal display module.

Description

Anti-static LCD (liquid crystal display) module

Technical Field

The utility model relates to a liquid crystal display module technical field especially relates to a prevent static LCD liquid crystal display module.

Background

The liquid crystal module is simply a screen and a backlight assembly. The display component of the liquid crystal television is a liquid crystal module, which is equivalent to a picture tube in a CRT. Other parts include power supply circuitry, signal processing circuitry, etc., and of course, anything else. The module is mainly divided into a screen and a backlight lamp assembly. The two parts are assembled together but are independent of each other when in operation (i.e., the circuits are not related).

Static electricity is a static charge, and the harm of static electricity is many, and the first harm comes from the interaction of charged bodies.

The LCD of LCD liquid crystal display is constructed by placing liquid crystal box in two parallel glass substrates, setting TFT on the lower substrate glass, setting color filter on the upper substrate glass, and controlling the rotation direction of liquid crystal molecules by changing signal and voltage on TFT, so as to control whether polarized light of each pixel point is emitted or not to achieve the display purpose. Compared with the traditional CRT, the LCD has no high-voltage components like the CRT, so that the condition that x-rays exceed standard caused by high voltage is avoided, and the radiation index of the LCD is generally lower than that of the CRT; secondly, the biggest advantages of the LCD compared with the traditional CRT are the power consumption and the volume, for the traditional 17-inch CRT, the power consumption is almost more than 80W, and the power consumption of 17-inch liquid crystal is mostly about 40W; thirdly, because the CRT display controls the electron beams by the electromagnetic field generated by the deflection coil, and because the electron beams cannot be absolutely positioned on the screen, the CRT display usually has geometric distortion and linear distortion of different degrees, and the LCD cannot have any geometric distortion and linear distortion due to the principle problem; so that the LCD has become the mainstream to replace the CRT, the price has dropped a lot, and it has become popular sufficiently.

However, in the practical use process, most of the LCD liquid crystal display modules lack an anti-static mechanism, so that the LCD liquid crystal display modules are subjected to static interference for a long time, and the normal work of the LCD liquid crystal display modules is affected, so that the anti-static LCD liquid crystal display modules are needed.

SUMMERY OF THE UTILITY MODEL

Based on current liquid crystal display module lacks and prevents static mechanism, leads to liquid crystal display module to receive electrostatic interference for a long time, influences the technical problem of liquid crystal display module's normal work, the utility model provides a prevent static LCD liquid crystal display module.

The utility model provides a prevent static LCD liquid crystal display module, including the display module body, the fixed surface of display module body has cup jointed the electrically conductive sealing layer, the fixed surface of electrically conductive sealing layer is connected with the seal cover, the fixed surface of seal cover is connected with the static dissipation layer.

Preferably, the conductive sealing layer is internally provided with conductive rubber, and the static dissipative layer is internally provided with static electricity skin.

Preferably, the surface of the conductive sealing layer and the inner wall of the sealing cover are provided with an insulating cooling sealing cavity, and transformer oil is arranged inside the insulating cooling sealing cavity.

Preferably, the inner wall of the insulating and cooling sealed cavity is fixedly connected with a plurality of radiating pipes which are uniformly distributed on the inner wall of the insulating and cooling sealed cavity.

Preferably, one end of the heat dissipation pipe penetrates through and extends to the surface of the static dissipation layer, and the heat dissipation pipe is made of heat-conducting silica gel.

Preferably, the surface of the conductive sealing layer is fixedly connected with conductive rods, the four conductive rods are respectively located at four corners of the conductive sealing layer, and one end of each conductive rod is fixedly connected with the lower surface of the static dissipation layer.

The utility model provides a beneficial effect does:

1. the surface fixing through setting up the display module body has cup jointed the conductive sealing layer, when using, conduct electricity to liquid crystal display module surface through the conductive sealing layer, the transformer oil through insulating cooling seal intracavity portion carries out insulating cooling seal to the conductive sealing layer, transmit the electric current on conductive sealing layer surface to the static dissipation layer through the conducting rod and carry out static dissipation, thereby solved current liquid crystal display module and lacked antistatic mechanism, lead to the liquid crystal display module to receive electrostatic interference for a long time, influence the problem of the normal work of liquid crystal display module.

Drawings

Fig. 1 is a schematic view of an anti-static LCD module according to the present invention;

fig. 2 is a sectional view of the display module body structure of the anti-static LCD module according to the present invention.

In the figure: 1. a display module body; 2. a conductive sealing layer; 3. a sealing cover; 4. a static dissipative layer; 5. an insulating cooling sealed cavity; 6. a radiating pipe; 7. a conductive rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, an anti-static LCD liquid crystal display module comprises a display module body 1, wherein a conductive sealing layer 2 is fixedly sleeved on the surface of the display module body 1, a sealing cover 3 is fixedly connected to the surface of the conductive sealing layer 2, and a static dissipation layer 4 is fixedly connected to the surface of the sealing cover 3;

conductive rubber is arranged inside the conductive sealing layer 2;

furthermore, the conductive rubber is prepared by uniformly distributing conductive particles such as silver-plated glass, silver-plated aluminum, silver and the like in the silicon rubber, and enabling the conductive particles to be contacted through pressure so as to achieve good conductive performance; the product can be molded or extruded to form, and can be made into sheets or other punched shapes; the shielding performance reaches up to 120dB (10GHz), and the shielding performance is divided into CONSIL-NC (graphite nickel plated and silicon filled rubber) CONSIL-V (silver filled silicon rubber extrusion gasket), CONSIL-A (aluminum silver plated and silicon filled rubber), CONSIL-N (nickel silver plated and silicon filled rubber) CONSIL-C (copper silver plated and silicon filled rubber), SC-CONSIL (graphite filled silicon rubber CONSIL-R (pure silver filled silicon rubber) CONSIL-II (silver filled silicon rubber molding gasket) and the like;

the static electricity sheet is arranged inside the static electricity dissipation layer 4;

further, the static skin is also called a rubber pad, and is expanded in an anti-static way, and the like, and generally has a two-layer structure, wherein the surface layer is a static dissipation layer, the bottom layer is a conductive layer, the surface layer is a static dissipation layer with the thickness of about 0.5mm, the bottom layer is a conductive layer with the thickness of about 1.5mm, and the two-layer structure is commonly used; the paint has the characteristics of good acid resistance, alkali resistance and chemical flux resistance, and has the characteristics of wear resistance and easy cleaning;

an insulating cooling sealing cavity 5 is formed in the surface of the conductive sealing layer 2 and the inner wall of the sealing cover 3, and transformer oil is arranged in the insulating cooling sealing cavity 5;

further, the transformer oil is a fractionation product of petroleum, the main components of the transformer oil are compounds such as alkane, naphthenic saturated hydrocarbon, aromatic unsaturated hydrocarbon and the like, the transformer oil is mineral oil obtained by distillation and refining of natural petroleum, and a mixture of pure and stable liquid natural hydrocarbon with small viscosity, good insulation and good cooling property is obtained by acid-base refining treatment of lubricating oil fractions in the petroleum; the transformer oil has much higher insulating strength than air, and the insulating material is soaked in the oil, so that the insulating strength can be improved, and the transformer oil can be prevented from being corroded by moisture; the specific heat of the transformer oil is large, the transformer oil is often used as a coolant, the heat generated during the operation of the transformer causes the oil close to the iron core and the winding to be heated, expanded and raised, and the heat is dissipated through a radiator through the up-down convection of the oil, so that the normal operation of the transformer is ensured; on an oil circuit breaker and an on-load tap changer of a transformer, electric arcs can be generated when contacts are switched; the transformer oil has good heat conduction performance, and can generate larger pressure by touching a large amount of gas under the high-temperature action of electric arc, so that the arc extinguishing performance of a medium is improved, the electric arc is quickly extinguished, and the liquid crystal display module body 1 has the characteristics of heat absorption, cooling and insulation, and prevention of interference of external static electricity on the liquid crystal display module body 1;

the inner wall of the insulating and cooling sealed cavity 5 is fixedly connected with radiating pipes 6, the radiating pipes 6 are uniformly distributed on the inner wall of the insulating and cooling sealed cavity 5, one ends of the radiating pipes 6 penetrate through and extend to the surface of the static dissipation layer 4, and the radiating pipes 6 are made of heat-conducting silica gel;

further, the heat-conducting silica gel is a high-end heat-conducting compound, and is not solidified, and the characteristic of no electric conduction can avoid risks such as circuit short circuit and the like; the heat-conducting bonding sealing silicone rubber is a single-component, heat-conducting and room-temperature curing silicone bonding sealant, and is vulcanized into a high-performance elastomer through condensation reaction of moisture in the air to release low molecules to cause crosslinking and curing; the material has excellent cold and hot alternation resistance, aging resistance and electrical insulation performance, excellent moisture resistance, shock resistance, corona resistance, electric leakage resistance and chemical medium resistance, can be continuously used, can keep performance not to swell at the temperature of-60-280 ℃, and has good adhesion to most of metal and non-metal materials;

furthermore, the heat dissipation pipe 6 can dissipate heat and cool the transformer oil, so that the transformer oil can achieve a better cooling effect;

the surface of the conductive sealing layer 2 is fixedly connected with conductive rods 7, the four conductive rods 7 are respectively positioned at four corners of the conductive sealing layer 2, and one end of each conductive rod 7 is fixedly connected with the lower surface of the static dissipative layer 4;

the surface fixing through setting up display module assembly body 1 has cup jointed conductive sealing layer 2, when using, it is electrically conductive to the liquid crystal display module assembly surface through conductive sealing layer 2, it is sealed to carry out insulating cooling to conductive sealing layer 2 through the inside transformer oil of insulating cooling seal chamber 5, current transmission to electrostatic dissipation layer 4 through conducting rod 7 with conductive sealing layer 2 surface carries out electrostatic dissipation, thereby solved current liquid crystal display module and lacked anti-static mechanism, lead to the liquid crystal display module to receive electrostatic interference for a long time, influence the problem of the normal work of liquid crystal display module assembly.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides an prevent static LCD liquid crystal display module, includes display module body (1), its characterized in that: the surface fixing of display module assembly body (1) has cup jointed electrically conductive sealing layer (2), the surface fixing of electrically conductive sealing layer (2) is connected with sealed cowling (3), the surface fixing of sealed cowling (3) is connected with static dissipation layer (4).

2. The anti-static LCD liquid crystal display module according to claim 1, wherein: the conductive sealing layer (2) is internally provided with conductive rubber, and the static dissipative layer (4) is internally provided with static skin.

3. The antistatic LCD liquid crystal display module of claim 2, wherein: and the surface of the conductive sealing layer (2) and the inner wall of the sealing cover (3) are provided with an insulating cooling sealing cavity (5), and transformer oil is arranged in the insulating cooling sealing cavity (5).

4. The antistatic LCD liquid crystal display module of claim 3, wherein: the inner wall fixedly connected with cooling tube (6) of insulating cooling seal chamber (5) is a plurality of cooling tube (6) are at the inner wall evenly distributed of insulating cooling seal chamber (5).

5. The antistatic LCD liquid crystal display module of claim 4, wherein: one end of the radiating pipe (6) penetrates through and extends to the surface of the static dissipation layer (4), and the manufacturing material of the radiating pipe (6) is heat-conducting silica gel.

6. The antistatic LCD liquid crystal display module of claim 5, wherein: the surface of the conductive sealing layer (2) is fixedly connected with conductive rods (7), the four conductive rods (7) are respectively positioned at four corners of the conductive sealing layer (2), and one end of each conductive rod (7) is fixedly connected with the lower surface of the static dissipative layer (4).

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