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Waterproof and heat-insulated electric vehicle LCD instrument

A technology for liquid crystal instruments and electric vehicles, which is applied in the field of liquid crystal instruments for waterproof and heat-insulating electric vehicles, can solve the problems that users cannot effectively control the use status of battery vehicles, the liquid crystal display control circuit board is damp, and the normal display of the liquid crystal display is affected, etc., and achieves excellent performance. Waterproof and heat insulation, avoid maintenance and disassembly, and the effect of strong connection

Inactive Publication Date: 2016-08-31
孙玉霞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, electric vehicles are often equipped with liquid crystal instruments, and the liquid crystal display in the liquid crystal instrument needs to be controlled by the liquid crystal display control circuit board, and the use environment of electric vehicles is relatively complicated, such as sometimes being used in rainy days, long-term humid environment will make The liquid crystal display control circuit board is damp, and the liquid crystal display control circuit board is damp, which will affect the normal display of the liquid crystal display, causing users to be unable to effectively control the use status of the battery car

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] A waterproof and heat-insulated liquid crystal meter for electric vehicles, comprising a snap-fit ​​panel and an outer casing; the panel and the outer casing are made of plastic injection molding; a liquid crystal display is fixed on the panel; The inner housing; the inner housing is fixed with a liquid crystal display control circuit board for driving the liquid crystal display; the liquid crystal display and the liquid crystal display control circuit board are connected through an internal transmission line, and the internal transmission line runs through the inner housing; The liquid crystal display control circuit board is also connected with an external power line and an external data line, and the external power line and the external data line run through the inner shell and the outer shell;

[0051] The joint between the panel and the outer shell is sealed with a sealant; the joint between the internal transmission line and the inner shell is sealed with a sealant...

Embodiment 2

[0063] On the basis of Example 1, the difference is that the protective film consists of the following components in parts by weight:

[0064] 0.7 parts barium petroleum sulfonate,

[0065] 8 parts allyl heptanoate,

[0066] 2 parts 4-methylguaiacol,

[0067] 3 parts propylene glycol,

[0068] 0.6 parts tin oxide,

[0069] 0.3 parts kaolin,

[0070] 2 parts nonylphenol ethoxylate carboxylate,

[0071] 3 parts polyvinylpyrrolidone,

[0072] 2 parts boric acid.

Embodiment 3

[0074] On the basis of Example 1, the difference is that the protective film consists of the following components in parts by weight:

[0075] 0.7 parts barium petroleum sulfonate,

[0076] 7 parts allyl heptanoate,

[0077] 1 part 4-methylguaiacol,

[0078] 2 parts propylene glycol,

[0079] 0.6 parts tin oxide,

[0080] 0.3 parts kaolin,

[0081] 1 part nonylphenol ethoxylate carboxylate,

[0082] 2 parts polyvinylpyrrolidone,

[0083] 1 part boric acid.

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PUM

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Abstract

Disclosed in the invention is a waterproof and heat insulation type liquid crystal instrument of an electric car. The waterproof and heat insulation type liquid crystal instrument comprises a panel and an outer shell, wherein the panel and the outer shell are connected by a buckle; and the outer surface of the panel and the outer shell are coated with protection membranes. The protection membrane comprises the following components, by weight: 0.7 parts of barium petroleum sulfonate, 7 to 8 parts of allyl heptanoate, 1 to 2 parts of 2-methoxy-4-methylphenol, 2 to 3 parts of propylene glycol, 0.6 parts of stannic oxide, 0.3 parts of kaolin, 1 to 2 parts of nonylphenol ethoxylate carboxylate, 2 to 3 parts of polyvinylpyrrolidone, and 1 to 2 parts of boric acid. According to the waterproof and heat insulation type liquid crystal instrument provided in the invention, the panel and the outer shell are connected firmly and dual protection of the outer shell and the inner shell is realized. Besides, waterproof and moistureproof sealants are arranged at multiple places and the outer surface of the panel and the outer shell are coated with protection membranes, so that the long-term waterproof and moistureproof effects of the liquid crystal display control circuit board can be guaranteed.

Description

technical field [0001] The invention relates to a waterproof and heat-insulating liquid crystal meter for an electric vehicle. Background technique [0002] At present, electric vehicles are often equipped with liquid crystal instruments, and the liquid crystal display in the liquid crystal instrument needs to be controlled by the liquid crystal display control circuit board, and the use environment of electric vehicles is relatively complicated. For example, it is sometimes used in rainy days. The liquid crystal display control circuit board is damp, and the liquid crystal display control circuit board will affect the normal display of the liquid crystal display when the liquid crystal display control circuit board is wet, causing the user to be unable to effectively control the use status of the battery car. Contents of the invention [0003] The purpose of the present invention is to provide a waterproof and heat-insulated liquid crystal meter for electric vehicles. The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D7/02G01D11/24G09F9/35
Inventor 周钢
Owner 孙玉霞
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