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Live displayer based on split modules

A live display and live display technology, applied in the direction of indicating the existence of current/voltage, can solve the problems of waste, electric shock danger, etc., and achieve the effect of saving cost, improving production efficiency, improving safety and convenience

Inactive Publication Date: 2015-12-09
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But when it is in the suspended position, the voltage of the high-voltage power-taking port can reach more than 500V, which is likely to cause electric shock hazard
Moreover, according to on-site operation and maintenance experience, the locking control contact is the most prone to failure components, and the replacement of the entire live display due to damage to a certain component also causes a certain degree of waste

Method used

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  • Live displayer based on split modules
  • Live displayer based on split modules
  • Live displayer based on split modules

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Embodiment Construction

[0019] For the above technical solutions, specific implementation methods are given with reference to the accompanying drawings, including circuit design and interface design. Due to the wide variety of electrified displays used in the field, this implementation plan does not give specific structural design dimensions, but only provides a principled implementation plan, and various types of electrified displays can be improved based on this principle.

[0020] attached figure 1 It is the circuit diagram of the power supply module of the live display, and the power supply module realizes the rectification function. In the figure, L and N0 are the input terminals of the power supply module, which are used to receive 220V AC power; VCC and VGND are the output terminals of the power supply module, which are 24V DC output, and are used to supply power to the locking control circuit. After the 220V AC is rectified by the rectifier bridge B1 and filtered and stabilized by the capaci...

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Abstract

The invention discloses a live displayer based on split modules. The live displayer comprises a base plate, and a power supply, a live display module and a lock control module which are installed on the base plate in a plugging way. The power supply module comprises a rectification filtering circuit and a voltage-reducing and voltage-stabilizing circuit which are connected in turn and is used for supplying stable direct current to the lock control module. The live display module comprises a test interface, a three-phase rectification bridge, a current-limiting resistor, a live display switch and a live indication lamp which are connected in turn. The lock control module comprises a diode, an optical coupler, a triode and a relay which are connected in turn. According to the live displayer, the pluggable and modularized design is adopted so that replacement of fault parts of the live displayer can be greatly facilitated, cost can be saved, a high-voltage electricity taking port is not suspended in the replacement process, and thus high voltage is not generated and work safety and convenience can be enhanced.

Description

technical field [0001] The present invention relates to a charging display, in particular to a charging display based on columnar modules. Background technique [0002] The charged display is a device that uses the electric field coupling principle between the high-voltage electric field and the sensor to perform inductive measurement outside a safe distance. It is generally installed on the incoming bus, circuit breaker, main transformer, switch cabinet, GIS combined electrical appliances and other Where it needs to be displayed whether it is charged or not, to prevent electrical misoperation. The charging indicator mainly provides two functions, one is charging indication, and the other is preventing misuse. In the specific implementation, the light of the indicator light of each phase is used to show that the phase has power; the function of preventing misoperation is realized by providing a live indication contact and introducing the contact into the anti-misoperation l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R19/145
Inventor 葛昆明张弛莫晓明章剑光茅东华凌光叶明慧钱一宏楼新恒
Owner STATE GRID CORP OF CHINA
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