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Multiphase phase sequence switching device and method

A phase sequence switching and phase sequence technology, applied in phase sequence/synchronization indication, emergency protection circuit devices, electrical components, etc., can solve problems such as poor user experience and achieve a good experience

Inactive Publication Date: 2018-07-24
AUX AIR CONDITIONING LTD BY SHARE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of this, the present invention aims to propose a multi-phase phase sequence switching device to solve the problem of poor user experience caused by the wrong connection sequence between the motor and the wires in the prior art

Method used

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  • Multiphase phase sequence switching device and method
  • Multiphase phase sequence switching device and method

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no. 2 example

[0046] see Figure 5 , the embodiment of the present invention provides a multiphase phase sequence switching method, which is applied to a multiphase phase sequence switching device. The multiphase phase sequence switching device includes a controller 4, a phase sequence detection module 3 and at least two relays 2, and the control The device 4 is electrically connected to the phase sequence detection module 3 and at least two relays 2 respectively, and the phase sequence detection module 3 is electrically connected to at least two relays 2 respectively.

[0047] Specifically, the multiphase phase sequence switching method includes:

[0048] Step S1 , using the phase sequence detection module 3 to obtain a phase sequence signal flowing through the relay 2 , and transmitting the phase sequence signal to the controller 4 .

[0049] In this embodiment, the phase sequence detection module 3 is electrically connected to the relay 2, and the phase sequence detection module 3 can d...

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Abstract

The invention provides a multiphase phase sequence switching device and method and relates to the technical field of air conditioning. The multiphase phase sequence switching device includes a controller, a phase sequence detection module and at least two relays. The controller is electrically connected to the phase sequence detection module and the at least two relays, and the phase sequence detection module is electrically connected to the at least two relays. The controller is used for controlling one of the at least two relays to be turned on according to a phase sequence signal transmitted by the phase sequence detection module such that multiphase voltage which passes through the multiphase phase sequence switching device is always positive sequence voltage. The multiphase phase sequence switching device and method provided by the present invention have a good experience feeling of a user.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to a multiphase phase sequence switching device and method. Background technique [0002] At present, with the continuous improvement of people's living standards, air conditioners have become a necessity in people's lives, and the air conditioner industry has also been greatly developed. [0003] In order to make the air conditioner work, the air conditioner includes a motor, and the power supply of the driving motor generally adopts a three-phase power supply, that is, the power supply is connected to the motor through three wires, wherein the phase sequences of the voltages flowing in the three wires are not the same. In actual use, the three wires must be connected to the power port of the motor in one-to-one correspondence, so that the three-phase power of the motor is always in positive sequence when the motor is running. , then there may be a three-phase out-of-sequ...

Claims

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Application Information

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IPC IPC(8): H02H7/097H02H11/00G01R29/18
CPCH02H7/097G01R29/18H02H11/004
Inventor 朱军董明旭金文爽
Owner AUX AIR CONDITIONING LTD BY SHARE LTD
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