Hydraulic central control device for wind power generating set

A wind turbine, centralized control technology, applied in the control of wind turbines, wind turbine combinations, wind turbines, etc., can solve the problems of enhancing the cost of hydraulic control parts, complicated control, etc., to reduce assembly costs, simplify hydraulic control units, Control easy effects

Inactive Publication Date: 2009-11-25
沈阳瑞祥风能设备有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

Although this can ensure the independence of each part of the fan, it greatly incre

Method used

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  • Hydraulic central control device for wind power generating set

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with accompanying drawing.

[0012] Such as figure 1 As shown in the hydraulic centralized control device of the wind power generating set of the present invention, the hydraulic pump 12 arranged in the fuel tank 11 of the oil supply unit is connected to the filter 13 through the pipeline, and the filter 13 is respectively connected to the two sides of the hydraulic pitch control unit 2 through the pipeline. The one-position two-way solenoid valve 21 is connected to the throttle valve 41 of the braking unit 4; the two-position two-way solenoid valve 21 is connected to the three-position four-way electro-hydraulic proportional valve 22 provided in the hydraulic pitch control unit 2 through a pipeline, and the three-position The four-way electro-hydraulic proportional valve 22 is connected to one side of the hydraulic cylinder 31 arranged in the pitch implementing unit 3 through a pipeline, and the other...

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Abstract

The invention relates to a hydraulic central control device for a wind power generating set. In the hydraulic central control device, an oil pressure pump arranged inside an oil tank of an oil supply unit is connected with a filter through a pipeline; the filter is respectively connected with a two-position two-way electromagnetic valve of a hydraulic variable propeller control unit and a throttle valve of a braking unit through pipelines; the two-position two-way electromagnetic valve is connected with a three-position four-way electro-hydraulic proportional valve arranged on the hydraulic variable propeller control unit through a pipeline; the three-position four-way electro-hydraulic proportional valve is connected with one side of a hydraulic cylinder arranged inside a variable propeller execution unit through a pipeline, and the other side of the hydraulic cylinder is connected with an energy accumulator arranged on the variable propeller execution unit; and the throttle value is connected with an electromagnetic directional valve, which is arranged inside the braking unit and respectively communicated with a mechanical braking execution mechanism and a yawing braking execution mechanism, through a pipeline. The hydraulic central control device has the advantages that the control device simplifies the complicated hydraulic control unit of the prior control system and ensures easier control; meanwhile, the assembly cost of the entire wind power generating set is greatly reduced.

Description

technical field [0001] The invention relates to a hydraulic control device, in particular to a hydraulic centralized control device for a wind power generating set. Background technique [0002] So far, hydraulic systems have been used in wind turbines to control devices inside wind turbines, such as high-speed shaft brake systems and yaw brake systems. Although hydraulic systems are used so frequently in wind turbines, they are all independently controlled. Although this can ensure the independence of each part of the fan, it greatly increases the cost of the hydraulic control part and makes the control very complicated. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides a hydraulic centralized control device for wind power generators, the purpose of which is to use a set of hydraulic control equipment to control it, so as to reduce its production cost and simplify the control. [0004] In order to achieve t...

Claims

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Application Information

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IPC IPC(8): F03D7/00F03D9/00
CPCY02E10/723Y02E10/72
Inventor 王云波谭福阳张勇
Owner 沈阳瑞祥风能设备有限公司
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