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Heliostat azimuth angle digital hydraulic control system

A digital hydraulic and heliostat technology, applied in the direction of using feedback control, can solve the problems of high installed power, short working life, difficult debugging, etc., to reduce cleanliness requirements, achieve positioning accuracy, and shorten the debugging cycle. Effect

Active Publication Date: 2017-10-13
AEMETEC +1
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Problems solved by technology

[0005] In order to solve the problems of inflexible layout, complex system, high installed power and short working life of the existing heliostat tracking drive system, the need to adjust system parameters for long-term use, high requirements for hydraulic oil cleanliness, difficult debugging, and long cycle, etc., The invention provides a heliostat azimuth angle digital hydraulic control system

Method used

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Embodiment Construction

[0020] In order to make the objectives, technical solutions, and advantages of the present invention clearer and more comprehensible, the present invention will be further described in detail below in conjunction with embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.

[0021] Such as figure 1 As shown, a schematic diagram of the digital hydraulic control system for the azimuth angle of the heliostat of the present invention is shown. The digital hydraulic control system for the azimuth angle of the heliostat includes a hydraulic auxiliary element 1, a hydraulic power element 2, a digital hydraulic motor 3, and an azimuth angle motion mechanism 4. Among them, the hydraulic auxiliary component 1 ensures the normal operation of the digital hydraulic motor 3 of the hydraulic system, the hydraulic power component 2 provides a high-pressure oil source for the digital ...

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Abstract

The invention provides a heliostat azimuth angle digital hydraulic control system. The system comprises a hydraulic auxiliary element, a hydraulic power element, a digital hydraulic motor and a heliostat azimuth angle moving mechanism. Normal work of the digital hydraulic motor is guaranteed through the hydraulic auxiliary element. The hydraulic power element provides a high-pressure oil source for the digital hydraulic motor. The digital hydraulic motor is used for controlling movement of the heliostat azimuth angle moving mechanism. According to the system, the digital hydraulic motor is used for controlling the heliostat azimuth angle moving mechanism, the azimuth angle of a heliostat completely achieves vectorization and digitization, the debugging difficulty is reduced, the debugging period is shortened, the requirement on the cleanliness of hydraulic oil is reduced, system parameters do not need to be adjusted when the system is used for a long time, and high positioning precision is achieved.

Description

Technical field [0001] The invention relates to the field of tower photothermal power generation, in particular to a digital hydraulic control system for the azimuth angle of a heliostat. Background technique [0002] Tower solar thermal power generation is a solar concentrating thermal power generation technology. The use of this technology to generate electricity requires a tall central absorption tower on the open ground. An absorber is installed and fixed on the top of the tower, and a certain number of towers are installed around the tower. The heliostat, through the heliostat, gathers sunlight into the cavity of the receiver at the top of the tower to generate high temperature, and then passes through the heat exchanger to produce steam, and the steam drives the steam engine to generate electricity. The heliostat is a light-concentrating device composed of a supporting structure, a tracking transmission system and a reflecting mirror. It is used to track and reflect and con...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D3/12
CPCG05D3/12Y02E10/47
Inventor 杨世祥杨涛李桂英杨帆赵志辉刘延京
Owner AEMETEC
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