Gd Midea Air-conditioning Equipment Co., Ltd.

Shenzhen Miao Xin Technology Co., Ltd

Foshan Shunde Midea Electric Science and Technology Co., Ltd.

Wenkai Zhang

Wenjie Yi

Jianning Yang

Yonglin Huang

Bi Lian

Guansheng Yang

Gucheng Deng

Weibin Lu

A control circuit for an air conditioner outdoor unit, an electric control component and an air conditioner are provided. The control circuit has a power input end for accessing alternating current power, an outdoor unit power supply circuit connected to the power input end for converting the accessed alternating current into an outdoor unit power supply, a first electronic switch provided in series between the power input end and the outdoor unit power supply circuit, and a standby power supply. An input end of the standby power supply is connected to an output end of a standby control power supply of an indoor unit. An output end of the standby power supply is connected to a controlled end of the first electronic switch. The standby power supply starts to operate when receiving the standby control power supply of the indoor unit, to control the closing of the first electronic switch.

Control circuit for air conditioner outdoor unit, electric control component and air conditioner

Floor cleaning machine

An electric control assembly for an air conditioner is provided. The assembly has an electric control board, a fan driving circuit and a compressor driving circuit. A ground end of the fan driving circuit and a ground end of the compressor driving circuit are connected with two reference grounds of the electric control board in one-to-one correspondence. The assembly also has a switch isolation driving circuit, a first input end of which is connected with a control end of the compressor driving circuit. A first output end of the switch isolation driving circuit is connected with a controlled end of the fan driving circuit. A second input end of the switch isolation driving circuit is connected with a control end of the fan driving circuit. A second output end of the switch isolation driving circuit is connected with a feedback end of the compressor driving circuit.

Electric control assembly and air conditioner

Humidifier

A communication circuit includes first and second communication nodes including first and second control chips, respectively, and first and second communication chips connected to the first and second control chips, respectively. The first and second communication chips are connected to each other through first and second signal lines, and are configured to transmit a differential signal. The first communication chip includes an output port to output a level signal obtained from the differential signal to the first control chip. The communication circuit further includes a voltage division assembly connected to the first and second signal lines, and configured to cause a voltage value of the first signal line to be higher than that of the second signal line when the first and second signal lines are in idle state. The first control chip includes a detection port connected to the output port to acquire the level signal.

Communication circuit, communication control method, circuit board, and air conditioning system

Growing community of inventors

Guangdong, China

Wenkai Zhang