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Blower control circuit

A technology for controlling circuits and blowers, applied in pump control, mechanical equipment, machines/engines, etc., can solve problems such as complex circuits, and achieve the effect of simple circuits and convenient speed regulation

Active Publication Date: 2018-05-01
宿州市尚泰电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a blower control circuit, which can solve the problem of complicated circuit in the existing circuit for regulating the speed of the blower

Method used

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Embodiment Construction

[0009] Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:

[0010] figure 1 As shown in the blower control circuit, the first button SB1, the second button SB2, the contactor KM and the frequency converter KF are connected in series to form a contactor control circuit, the contactor KM and the second button SB2 are connected in parallel to form a contactor self-protection circuit, and the contactor KM , the third button SB3, the fourth button SB4, the relay KA and the inverter KF are connected in series to form a relay control circuit, the relay KA and the fourth button SB4 are connected in parallel to form a relay self-protection circuit, and the relay KA and the self-protection circuit are connected in series to form a contactor interlock circuit , the relay KA, the speed-up button SB5 and the frequency converter KF are connected in series to form a speed-up control circuit, the relay KA, the speed-down button ...

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PUM

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Abstract

The invention discloses an air blower control circuit and relates to the technical field of electrical equipment manufacturing. A first button, a second button, a contactor and a frequency converter are connected in series to form a contactor control circuit. The contactor and the second button are connected in parallel to form a contactor lock-in circuit. The contactor, a third button, a fourth button, a relay and the frequency converter are connected in series to form a relay control circuit. The relay and a lock-in circuit are connected in series to form a contactor interlock circuit. The relay, an acceleration button and the frequency converter are connected in series to form an acceleration control circuit. The relay, a deceleration button and the frequency converter are connected in series to form a deceleration control circuit. The relay, a reset button and the frequency converter are connected in series to form a reset control circuit. By the adoption of the air blower control circuit, the problem that an existing circuit used for speed adjustment of an air blower is complex can be solved.

Description

technical field [0001] The invention relates to the technical field of electrical equipment manufacturing; in particular, a control circuit for a blower. Background technique [0002] The blower is a machine that relies on the input mechanical energy to increase the gas pressure and discharge the gas. It is a driven fluid machine. Blowers are widely used for ventilation, dust removal and cooling in factories, mines, tunnels, etc. At present, there are many control circuits for blowers, some of which can regulate the speed of blowers, but these circuits that can regulate the speed of blowers have complex circuit problems . Contents of the invention [0003] The object of the present invention is to provide a blower control circuit, which can solve the problem of complicated circuits in the existing circuit for regulating the speed of the blower. [0004] In order to solve the above problems, the technical solution adopted by the present invention is: the blower control ci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D27/00
CPCF04D27/004F04D27/008
Inventor 冼毅
Owner 宿州市尚泰电子科技有限公司