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Plug-in lightning arrester with signal indication

A lightning arrester with signal technology, which is applied in the direction of instruments, overvoltage protection resistors, measuring devices, etc., can solve the problems of short service life, easy aging, and inability to monitor installation accuracy of lightning arresters, so as to avoid partial discharge performance and poor insulation performance Effect

Inactive Publication Date: 2011-05-18
XIAN SHENDIAN ELECTRONICS
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  • Claims
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Problems solved by technology

[0005] The invention provides a plug-in surge arrester with signal indication, which mainly solves the problem that the shielded plug-in surge arrester in the prior art cannot monitor the installation accuracy, resulting in poor partial discharge performance and insulation performance, easy aging, and short service life of the arrester.

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Embodiment Construction

[0011] Displacement is a quantity related to the movement of the object's position during motion, and the range of displacement measurement methods is quite extensive. Small displacements are usually detected by strain gauge, inductive, differential transformer, eddy current, and Hall sensors, and large displacements are usually measured by sensing technologies such as inductive synchronizers, gratings, capacitive grids, and magnetic grids. Among them, the grating sensor has the advantages of easy digitalization, high precision (currently the highest resolution can reach the nanometer level), strong anti-interference ability, no artificial reading error, convenient installation, and reliable use. be increasingly widely used. Displacement sensor http: / / baike.baidu.com / view / 16431.htm Also known as linear sensor, it is divided into inductive displacement sensor, capacitor, ultrasonic displacement sensor, Hall displacement sensor. The principle is that the metering grating uses t...

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Abstract

The invention provides a plug-in lightning arrester with signal indication, which mainly solves the problem of short service life of a lightning arrester due to poor partial discharge property and insulating property and easiness of aging because the shielding type plug-in lightning arrester can not monitor installation accuracy in the prior art. The plug-in lightning arrester with signal indication can monitor the plug-in situation of a cable terminal in real time through a locating device. When a connecting terminal of a cable or the cable moves downward due to poor contact or falling off, the situation can be visually obtained through a signal indicating device and can be handled in time, and the occurrence and the deterioration of the accident are avoided. The plug-in lightning arrester with signal indication is easy and convenient to operate and has strong applicability.

Description

technical field [0001] The invention relates to a plug-in lightning arrester with signal indication, in particular to a plug-in lightning arrester with signal indication. Background technique [0002] Some sensor markets such as pressure sensors, temperature sensors, flow sensors, and level sensors have shown the characteristics of a mature market. Flow sensors, pressure sensors, and temperature sensors have the largest market size, accounting for 21%, 19%, and 14% of the entire sensor market, respectively. The main growth of the sensor market comes from emerging sensors such as wireless sensors, MEMS (Micro-Electro-Mechanical Systems, micro-electromechanical systems) sensors, and biosensors. Among them, the compound annual growth rate of wireless sensors is expected to exceed 25% in 2007-2010. [0003] Currently, the global sensor market is showing a trend of rapid growth amidst ever-changing innovations. Relevant experts pointed out that the main technologies in the sen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01C7/12G01B7/02
Inventor 叶德平杨筱安
Owner XIAN SHENDIAN ELECTRONICS