Suzhou Beiang Smart Technology Co. Ltd.

Suzhou Beiang Technology Ltd.

Beiang Air Tech Ltd.

Suxhou Beiang Smart Technology Co. Ltd.

Hongyu Ran

Yigang Liu

Yaoyuan Lu

Yan Zhang

Qi Chen

Hongqiang Li

Mingming Wei

Dayou Zhang

Xianghui Gao

Qidong Zhang

Zhaofeng Wei

Bing Xiang

Mite removal machine

Air purifier

An easy-to-clean separable purification core for an air purifier includes an inner cavity lining body, a collector module and a repeller module that are detachably inserted one in the other. The collector module includes a first collector cell and a second collector cell that are nested from top to bottom and are detachable with respect to each other, the two collector cells match each other in shape and dimension size and are respectively provided with collector pieces parallel to each other, and the spacing between two adjacent collector pieces in each collector cell is four times of an original spacing. In an assembly state of the purification core, the collector module, the repeller module, and the inner cavity lining body are nested one in another to form an integral component.

Easy-to-clean separable purification core

The application provides a gear control circuit and system for an alternating current motor. The gear control circuit includes: a plurality of controllable switches; a detection unit, configured to detect switching statuses corresponding to the controllable switches; a gear input unit, configured to receive a target gear m inputted from outside; and a control unit, connected to the gear input unit and configured to obtain the target gear m. The application also provides a switch controller and an electronic device. The switch controller includes a signal modulation circuit, a signal follower circuit, a comparison circuit, and a switch control circuit. The switch controller may perform digital-to-analog conversion by using the signal modulation circuit, to modulate a first PWM signal being a digital signal into a second PWM signal being an analog signal, and then the signal follower circuit performs load amplification on the modulated second PWM signal.

Gear control circuit and system for alternating current motor, switch controller, and electronic device

Water purifier

The application provides a driving circuit. The circuit includes: a segment display, including a plurality of light-emitting units; a controller, configured to generate a control instruction for the segment display according to a configuration signal; a digital driver, connected to the controller, and configured to generate a pulse driving signal according to the control instruction from the controller; and an amplification circuit, with one end being connected to the digital driver and the other end being connected to the plurality of light-emitting units of the segment display. The application also provides a magnetic sensing circuit and an electrical device. The magnetic sensing circuit includes a magnetic sensor, a sensing selection circuit, and a result representation circuit. A plurality of magnetic sensors are provided, and at least some of the plurality of magnetic sensors are capable of being connected to the sensing selection circuit by a sensing output terminal.

Driving circuit, magnetic sensing circuit, and electrical device

A base body of a dust collector includes a pedestal, and partition plates arranged on the pedestal. The partition plates are made of insulating materials. A plurality of baffle partition plates are arranged in a length direction of the pedestal at intervals. A slot for inserting electrode sheets is formed between the adjacent partition plates. The dust collector includes the base, and further includes a collector electrode sheet and a discharging electrode sheet.

Base body and dust collector

An air cleaning apparatus includes ion generation electrode, a collecting electrode, and a support portion. The ion generation electrode is configured to apply a high-voltage to thereby form a high-voltage electric field between the collecting electrode and the ion generation electrode. A passage is formed between the ion generation electrode and the collecting electrode along the high-voltage electric field direction. The support portion is configured to provide electrical isolation and mechanical support for the ion generation electrode and the collecting electrode. A surface of the support portion between the ion generation electrode and the collecting electrode comprises a surface coating layer configured to resist ion bombardment and the accidental arcing. A transformer frequency adjusting system includes a frequency storage cell, a control module, and a drive module, and can work with the air cleaning apparatus, alone, or with other apparatuses.

Purification and variable frequency system and method

An ionic wind purifier is described. The ionic wind purifier includes a generating electrode and a collecting electrode, which are arranged oppositely. A potential difference exists between the generating electrode and the collecting electrode, and at least one first projecting part is arranged on each collecting electrode plate of the collecting electrode. The first projecting part has a smooth surface. Thus, by arranging the first projecting part, the adsorption area of the collecting electrode is increased and the absorption capability of the collecting electrode is improved, thereby improving the purification efficiency of the ionic wind purifier and improving the use performance thereof. A discharge monitoring and protective circuit of a high-voltage ion purifier is also described.

Ionic wind purifier and discharge monitoring and protective circuit of high-voltage ion purifier

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Suzhou, China

Hongyu Ran