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Double-helix frequency conversion cabinet

A frequency conversion cabinet and double helix technology, applied in the field of frequency conversion control, can solve the problems of low degree of automation, short life, and inability to realize remote control, etc., and achieve the effect of simple and practical wiring and convenient operation

Pending Publication Date: 2017-07-21
长兴创睿科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the automation degree of frequency conversion control cabinet equipment is low, the life is short, and remote control cannot be realized

Method used

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  • Double-helix frequency conversion cabinet
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  • Double-helix frequency conversion cabinet

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Experimental program
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Embodiment Construction

[0019] The present invention will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings.

[0020] figure 1 It is a schematic diagram of the circuit connection of the present invention, the frequency converter BP1 and the frequency converter BP2 adopt the ABB frequency converter AS510, the two normally open contacts of the contactor KM1 are connected to the circuit, and the two normally open contacts of the contactor KM2 are connected to the circuit , when circuit breaker QF0 and circuit breaker QF1 are closed, inverter BP1 works; when circuit breaker QF0 and circuit breaker QF2 are closed, inverter BP2 works; when circuit breaker QF0, circuit breaker QF1 and circuit breaker QF2 are closed, inverter BP1 and BP2 work at the same time; when the circuit breaker QF0, circuit breaker QF1, and contactor KM1 are closed, the fan 1 will work, if the current in the circuit exceeds the load of the thermal relay KH1, the thermal...

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Abstract

The invention discloses a double-helix frequency conversion cabinet comprising a circuit breaker QF0, a circuit breaker QF1, a circuit breaker QF2, a contactor KM1, a contactor KM2, a thermal relay KH1, a thermal relay KH2, a frequency converter BP1 and a frequency converter BP2. The frequency converter BP1 and the frequency converter BP2 control a spiral motor1 and a spiral motor2. Frequency conversion controlling is carried out on the two spiral motors and local controlling and remote controlling functions are realized. Moreover, the spiral motors are cooled by controlling fans respectively. The circuit is simple and practical and the operation becomes convenient.

Description

technical field [0001] The invention relates to the field of frequency conversion control, in particular to a double-helix frequency conversion control cabinet. Background technique [0002] The frequency conversion cabinet uses the control cabinet of the drive power device of the frequency converter, because of its good starting performance, speed regulation performance and energy-saving effect, it has become the currently popularized power drive method. [0003] Motors are key high-power equipment for many enterprises, and their power consumption accounts for a large proportion of the operating costs of the entire enterprise. Therefore, how to reasonably reduce the power consumption of motors is the direction of many enterprises. [0004] At present, the automation degree of frequency conversion control cabinet equipment is low, the life is short, and remote control cannot be realized. Contents of the invention [0005] In view of the above problems, the present inventi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P5/74
CPCH02P5/74
Inventor 葛炳斌马文瑞丁强
Owner 长兴创睿科技有限公司