Xinjiang Goldwind Science & Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Baidu Online Network Technology (beijing) Co., Ltd.

Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd.

Xinjiang Goldwing Science & Technology Co., Ltd.

Goldwind Science & Technology Co., Ltd.

Junwei Liu

Jinhui Li

Dinghui Wang

Wenhua Xu

Wenbo Li

Zhihong Du

Wenshou Fan

Yongheng Li

Jinmeng Li

Haibo Fu

Si Gao

A cooling system and a wind power generating set. The cooling system comprises two cooling sub-systems thermally coupled to each other. Each cooling sub-system comprises: a first cooling circuit for cooling a first heat-generating component, a second cooling circuit for cooling a second heat-generating component, a third cooling circuit for cooling a third heat-generating component, a fourth cooling circuit for cooling a fourth heat-generating component, a pump station unit and a heat dissipation unit. The first cooling circuit and the fourth cooling circuit are connected in parallel to form a first branch, the second cooling circuit and the third cooling circuit are connected in parallel to form a second branch, and the first branch and the second branch are connected in parallel, and are connected to the pump station unit and the heat dissipation unit. The cooling system may achieve the fault-tolerant operation of two cooling sub-systems.

Cooling system and wind power generator set

The present application discloses a heat exchange system and a motor. The heat exchange system includes: a first heat exchange unit disposed in a to-be-cooled area of the motor for heat exchange, the first heat exchange unit including a plurality of first heat exchange branches connected in parallel; a second heat exchange unit disposed outside the motor, and being connected to the first heat exchange unit through a pipeline assembly to form a closed heat exchange loop. Each first heat exchange branch is connected with a first heat exchanger, a first valve group, and a first pressure information component, and the opening and closing of the first valve group is controlled according to the first pressure information of the first pressure information component.

Heat exchange system and motor

An advertising method, device and system, and a computer-readable storage medium are provided. The method includes: acquiring user information; sending the user information to a server that stores an advertising requirement, wherein the advertising requirement includes an advertisement content and an advertising condition of the advertisement content; receiving an advertising instruction of the advertisement content from the server, wherein the advertising instruction of the advertisement content is generated by the server when the user information meets the advertising condition of the advertisement content; and playing the advertisement content in response to the advertising instruction.

Advertising method, device and system, and computer-readable storage medium

The disclosure relates to a generator and a wind turbine. The generator includes an active cooling loop and a passive cooling loop that are isolated from each other and both are in communication with external environment. The active cooling loop includes cavities that are in communication with each other and located at two respective ends of the generator in an axial direction, an air gap between a rotor and a stator of the generator, and radial channels arranged at intervals and distributed along the axial direction of the stator. A cooling device in communication with the external environment is disposed in the active cooling loop. The passive cooling loop includes an axial channel extending through the stator in the axial direction and an outer surface of the generator.

Generator and wind turbine

An audiovisual device and a control method of the audiovisual device are provided, the audiovisual device includes a backboard, the backboard is provided with a directional speaker, a regulator component and a display component that is configured for providing visual content, the directional speaker is configured for emitting a directional sound to a display side of the display component, and the regulator component is configured for regulating an orientation of the directional speaker on the display side of the display component.

Audiovisual device and control method of audiovisual device

A generator and a wind turbine are provided. The generator includes an active cooling circuit and a passive cooling circuit, the active cooling circuit is in communication with a closed space, and the passive cooling circuit is in communication with the external environment. The active cooling circuit includes mutually communicating chambers located at two axial ends of the generator, an air gap between a rotor and a stator of the generator, and radial channels distributed along an axial direction of the generator. The active cooling circuit is provided with a cooling device in communication with the closed space, and the stator is fixed on a fixed shaft through a stator bracket. The passive cooling circuit includes a first axial channel running through the stator, a second axial channel running through the stator bracket, and an outer surface of the generator. A heat exchanger is further arranged inside the generator.

A motor rotor holder and a motor are provided according to the present application. The motor rotor holder is rotatably supported in a housing of the motor, and the motor rotor holder includes: a first cooling channel which allows interior spaces at two axial sides of a rotor in the housing to be in communication with each other so as to direct a first cooling medium through the first cooling channel; and a second cooling channel which is in communication with an exterior of the housing so as to direct a second cooling medium through the second cooling channel. The first cooling channel and the second cooling channel are provided to have a common heat conduction portion, and the first cooling medium is allowed to exchange heat with the second cooling medium via the common heat conduction portion.

Growing community of inventors

Beijing, China

Junwei Liu