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Liquid crystal display device for range hood

A technology for liquid crystal display devices and range hoods, which is applied in the fields of oil fume removal, identification of devices, applications, etc., and can solve problems such as corrosion, liquid crystal display control circuit boards being damp, and affecting the normal display of liquid crystal display screens, etc., to achieve excellent corrosion resistance Effect

Inactive Publication Date: 2015-05-06
SUZHOU XINHANG MICROELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the range hood is often equipped with a liquid crystal display device, and the liquid crystal display in the liquid crystal display device needs a liquid crystal display control circuit board to drive and control it. The circuit board is damp and corroded, and the liquid crystal display control circuit board is damp and corroded, which will affect the normal display of the liquid crystal display

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] A liquid crystal display device for a range hood, comprising a rectangular aluminum alloy panel and an aluminum alloy outer shell connected by a buckle, the joint part of the aluminum alloy panel and the aluminum alloy outer shell is sealed by a sealant;

[0054] The aluminum alloy panel is fixed with a first liquid crystal display for displaying the on-off state of the range hood, and a second liquid crystal display for displaying the working gear status of the range hood; the first and second liquid crystals The outer surface of the display screen is recessed in the aluminum alloy panel, the outer surfaces of the first and second liquid crystal display screens are respectively covered with transparent acrylic plates, and the outer surface of each acrylic plate is level with the outer surface of the aluminum alloy panel; The joint between the acrylic plate and the aluminum alloy panel is sealed by sealant;

[0055] A closed phenolic plastic inner shell is fixed in the alumi...

Embodiment 2

[0069] On the basis of Example 1, the difference is that the sealant is composed of the following components in parts by weight:

[0070] 0.2 parts of quartz powder,

[0071] 4 parts fumed silica,

[0072] 2 parts tetrahydrofuran,

[0073] 3 parts diaryl secondary amine,

[0074] 3 parts fumed silica,

[0075] 2 parts 2,2,4-trimethyl-1,2-dihydroquinoline,

[0076] 22 parts dimer acid modified epoxy resin,

[0077] 3 parts glyceryl monostearate,

[0078] 2 parts isopropanolamine.

Embodiment 3

[0080] On the basis of Example 1, the difference is that the sealant is composed of the following components in parts by weight:

[0081] 0.2 parts of quartz powder,

[0082] 3 parts fumed silica,

[0083] 1 part tetrahydrofuran,

[0084] 2 parts diaryl secondary amine,

[0085] 2 parts fumed silica,

[0086] 1 part 2,2,4-trimethyl-1,2-dihydroquinoline,

[0087] 22 parts dimer acid modified epoxy resin,

[0088] 2 parts glyceryl monostearate,

[0089] 1 part isopropanolamine.

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PUM

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Abstract

The invention discloses a liquid crystal display device for a range hood. According to the liquid crystal display device, a sealant is arranged at multiple positions and consists of the following components in parts by weight: 0.2 part of quartz flour, 3-4 parts of gas phase silicon dioxide, 1-2 parts of tetrahydrofuran, 2-3 parts of diaryl secondary amine, 2-3 parts of gas phase white carbon black, 1-2 parts of 2,2,4-trimethyl-1,2-dihydroquinoline, 22 parts of dimer acid modified epoxy resin, 2-3 parts of glycerol monostearate and 1-2 parts of isopropanolamine. The liquid crystal display device for the range hood, disclosed by the invention, is unique in display design, structural design and protective design; and the sealant is arranged at multiple positions to ensure that a liquid crystal display control circuit board cannot be damped and corroded for a long time, and can work effectively for a long time. The sealant can resist a high temperature of 100 DEG C and a low temperature as low as -24 DEG C.

Description

Technical field [0001] The invention relates to a liquid crystal display device for a range hood. Background technique [0002] At present, the range hood is often equipped with a liquid crystal display device. The liquid crystal display in the liquid crystal display device needs a liquid crystal display control circuit board to drive and control. The use environment of the range hood is relatively harsh, and it is easy to control the liquid crystal display when it is in a humid environment for a long time. The circuit board is damp and corroded, and the liquid crystal display control circuit board is damp and corroded, which will affect the normal display of the LCD screen. Summary of the invention [0003] The purpose of the present invention is to provide a liquid crystal display device for range hoods, which has unique display design, structural design and protection design; its aluminum alloy panel and aluminum alloy outer casing are firmly connected, and will not be separate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24C15/20C09J163/00C09J11/06C09J11/04
CPCF24C15/20C08K3/36C08K5/103C08K5/1535C08K5/18C08K2201/014C09J11/04C09J11/06C09J163/00G09F9/35
Inventor 周钢
Owner SUZHOU XINHANG MICROELECTRONICS
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