Electrostatic protection device for industrial touch display screen

A touch screen, electrostatic protection technology, applied in the direction of static electricity, electrical components, static indicators, etc., can solve the problems of less application and weak anti-interference ability, achieve simple device structure and circuit design, and reduce the impact of static electricity on products , The effect of reducing the effect of static electricity on the product

Inactive Publication Date: 2019-04-16
CHANGSHA SONNEPOWER ELECTRONICS TECH
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  • Abstract
  • Description
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Problems solved by technology

[0004] In addition, judging from the current status of the existing industrial screens, due to the weak anti-interference ability of capacitive touch screens, there are few applications

Method used

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  • Electrostatic protection device for industrial touch display screen

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] This embodiment provides an electrostatic protection device for an industrial touch screen, and the specific implementation method is as follows:

[0022] as attached figure 1 As shown, the industrial touch screen electrostatic protection device designed by the present invention mainly includes a capacitive touch screen 1, a liquid crystal display 2, a capacitive touch screen control circuit 3, an external key 4 of the industrial screen, a...

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Abstract

The invention provides an electrostatic protection device for an industrial touch display screen, which belongs to the field of electrostatic protection. The electrostatic protection device for an industrial touch display screen comprises a capacitive touch screen, a liquid crystal display screen, a capacitive touch screen control circuit, an industrial screen external key, a key electrostatic protection device, a circuit board and conductive foam. According to the novel capacitive touch screen electrostatic sensitive circuit design processing mode, an electrostatic conductive channel is addedto the aluminum shell on the back of the industrial liquid crystal screen, an electrostatic release channel is added on the circuit board, an electrostatic loop is shortened as far as possible, the influences of static electricity on a product are thus effectively reduced, the structure of the device and the design of the circuit are extremely simple, a small proportion of the product area is occupied, and while the influences of static electricity on the product are effectively reduced, the design cost of the product is not added additionally.

Description

technical field [0001] The invention relates to the field of electrostatic protection, in particular to an electrostatic protection device for an industrial touch screen. Background technique [0002] Electro-Static discharge (ESD) is a major factor that affects the normal operation of the product, and in some cases even leads to product failure. In industrial applications, the reliability of the product directly affects the stability of the system and personal safety, so The electrostatic protection of industrial products is also the focus of product design. As the display part of the whole system, the industrial display screen can integrate control and data acquisition functions. The LCD screen and touch screen have more contact with people. Due to the long internal wiring or structural design, etc. Due to unreasonable design and other reasons, it is easy to be disturbed by static electricity in practice, resulting in screen flickering, blurred screen and other faults. Ind...

Claims

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Application Information

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IPC IPC(8): G02F1/133H05F3/02
CPCG02F1/133H05F3/02
Inventor 李建忠郭彦蕊罗轶峰张涛张少华刘占军熊英
Owner CHANGSHA SONNEPOWER ELECTRONICS TECH
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