Intelligent contactless flame-proof switch

An explosion-proof switch, non-contact technology, used in instruments, computer control, simulators, etc., can solve the problems of inability to realize remote control, telemetry, remote signaling, remote adjustment, low electrical life, and low protection functions, and achieve parameter setting. Simple, easy-to-setup effects

Pending Publication Date: 2019-02-26
珠海市伏安达电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] ② Poor dynamic and thermal stability, short mechanical life and low electrical life;
[0005] ③ less protection function;
[0006] ④ No external communication port, unable to realize remote control, telemetry, remote signaling, remote adjustment; unable to realize intelligent control

Method used

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  • Intelligent contactless flame-proof switch
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Examples

Experimental program
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Embodiment Construction

[0033] The present invention will be further described below in conjunction with the accompanying drawings.

[0034] The invention provides a new type of intelligent non-contact explosion-proof switch, such as figure 1 As shown, the intelligent non-contact explosion-proof switch 100 includes a main control switch (thyristor) 110 and a control module 120 .

[0035] The main control switch (thyristor) 110 has an input terminal 111 for connecting a power supply and an output terminal 112 for connecting a load, and the control module 120 is used to control the main control switch (thyristor) 110 to be turned on and off.

[0036] like figure 2 As shown, the control module 120 includes a sampling module 121 , a communication module 122 , a man-machine dialogue module 123 , a protection calculation module 124 , an action instruction execution module 125 , and a main program module 126 .

[0037] The sampling module 121 collects various parameters in real time and transmits them to...

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PUM

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Abstract

The present invention provides an intelligent contactless flame-proof switch, and discloses a novel switch without contact, arc and spark. The switch is switched on when a voltage is zero crossing andis switched off when a current is zero crossing, the switch is safe and reliable so as to solve the problem that explosion safety accidents can be easily cased in inflammable and explosive environments. The intelligent contactless flame-proof switch has an input end configured to connect with a power source and an output end connected with a load. The switch is configured to control on-off of theload. When faults are generated, the fault portions are protected to be cut off from a power grid. The switch comprises a thyristor portion used for on-off of a main switch and a control module portion used for protection control. When the switch is switched on, the control module emits zero-crossing starting signals to switch on the main control switch, and when the faults are generated or the switch is switched off, the control module emits an off instruction, and the current is zero crossing to switch off the main control switch.

Description

technical field [0001] The invention relates to an explosion-proof switch, in particular to a novel intelligent non-contact explosion-proof switch. Background technique [0002] The following defects exist in the existing explosion-proof switch: [0003] ①Arc or sparks appear in the on and off action, and contact welding occurs when the current is high; [0004] ② Poor dynamic and thermal stability, short mechanical life and low electrical life; [0005] ③ less protection function; [0006] ④ There is no external communication port, so remote control, telemetry, remote signaling, and remote adjustment cannot be realized; intelligent control cannot be realized. Contents of the invention [0007] In order to overcome the deficiencies of the above-mentioned prior art, the present invention provides a novel non-contact explosion-proof switch. [0008] The invention adopts the thyristor as the main control switch, and the conduction and current cut-off are completed inside ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257
Inventor 刘洋柯宇飞
Owner 珠海市伏安达电子科技有限公司
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