Method and device for testing condensation performance of solar disc type condenser

A test method and test device technology, applied in the direction of testing optical performance, etc., can solve the problems of complexity and difficulty in implementation, and achieve the effect of small quantity, clear physical meaning and low cost

Inactive Publication Date: 2013-10-16
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Application Information

AI Technical Summary

Problems solved by technology

The heat flux density on the focal plane of the dish concentrator is relatively high, which can be measured indirectly by using a fixed Lambert target with a cooling device or a fast-moving Lambert target. The measurement method system is relatively complex and difficult to implement

Method used

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  • Method and device for testing condensation performance of solar disc type condenser
  • Method and device for testing condensation performance of solar disc type condenser
  • Method and device for testing condensation performance of solar disc type condenser

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0024] figure 1 The light concentrating performance test device of the dish concentrator shown. Such as figure 1 As shown, the device is composed of a rotating substrate 1 , a heat flow sensor 2 and a fixed frame 3 . The fixed frame 3 is located at the outermost layer of the test device and surrounds the rotating base plate 1 . The rotating base plate 1 and the fixed frame 3 are connected by bolts, and the heat flow sensor 2 is installed on the rotating base plate 1 .

[0025] The rotating base plate 1 is disc-shaped. The rotating base plate 1 can be integrally formed by refractory materials. The rotating base plate 1 has a heat flow sensor installation hole 5 reserved for installing the heat flow sensor 2. The side of the rotating base plate 1 is preset with 4 base plates for fixing. The holes 6 and the substrate fixing holes 6 are evenly d...

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Abstract

The invention discloses a method for testing condensation performance of a solar disc type condenser. The optical concentrating ratio distribution is determined by utilizing a method for measuring heat-flow density distribution on a spotlighting focal plane of the disc type condenser and local solar normal direct irradiance for many times in a timesharing manner. A testing device by adopting the testing method disclosed by the invention is composed of a rotary substrate (1), a heat-flow sensor (2), a fixed frame (3) and a bolt pin (4). The rotary substrate (1) is circular. A plurality of heat-flow sensors (2) are installed on the rotary substrate (1). The connection line of the central points of the heat-flow sensors (2) is superposed with a certain diameter of the rotary substrate (1). The rotary substrate (1) is fixedly connected with the fixed frame (3) through the bolt pin (4). The installation angle of the rotary substrate (1) on the fixed frame (3) can be adjusted. According to the method and the device disclosed by the invention, the condensation performance of the solar disc type condenser is tested; the optical condensing ratio of the solar disc type condenser is evaluated; and the heat-flow density distribution is provided for the use process.

Description

technical field [0001] The invention relates to a method and a device for testing light-gathering performance, in particular to a method and a device for testing the light-gathering performance of a solar disc concentrator. Background technique [0002] Solar energy is an inexhaustible renewable energy source. Today, as fossil fuels are decreasing year by year and the international energy situation is becoming increasingly severe, the development and utilization of solar energy is one of the important ways to realize the diversification of energy supply and ensure energy security. The basic principle of the solar dish power generation device is to use the curved mirror to reflect sunlight to the receiver. Due to the two-axis tracking method, it can track the sun's movement efficiently at all times, has high optical efficiency, and can achieve high concentration ratio concentration. In order to obtain high heat flux density, heat the power generation working fluid to drive th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M11/02
Inventor 白凤武王志峰李鑫张喜良
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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