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Thermal performance test system of solar water heater

A technology for solar water heaters and solar thermal collectors, which is applied to the testing of machines/structural components, instruments, measuring devices, etc., can solve the problems of manual manual operation reliability, low real-time performance, affecting test accuracy, and difficult operation and control. , to achieve the effect of fully automatic intelligent control, ensuring test accuracy and avoiding test failure

Inactive Publication Date: 2012-07-11
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Application Information

AI Technical Summary

Problems solved by technology

However, this test system also has the following deficiencies. First, the design of the secondary electric heating equipment is cumbersome and difficult to operate and control. Second, the pipeline structure design is complex, with many links, and maintenance is inconvenient. There is no protection measure for pipeline components failure. Third, there is no need for sunshade equipment on the water heater test bench, which affects the test accuracy; fourth, the reliability and real-time performance of manual operation are not high, which affects the test results

Method used

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  • Thermal performance test system of solar water heater
  • Thermal performance test system of solar water heater
  • Thermal performance test system of solar water heater

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Experimental program
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Embodiment Construction

[0024] The solar water heater thermal performance automatic test control system of the present invention comprises a solar water heater test bench system, a pipeline system and an automatic intelligent control system thereof.

[0025] 1. The pipeline system is connected to the heat storage tank in the solar water heater test bench system, and forms a circuit with the constant temperature water tank and the water storage tank.

[0026] Such as figure 1 As shown, the pipeline system includes a constant temperature water tank 1, a refrigeration system connected to the constant temperature water tank 1, a self-circulation system located outside the constant temperature water tank 1, an electric heating device at the bottom of the constant temperature water tank, and the like.

[0027] The constant temperature water tank 1 and the water storage tank 2 are placed side by side. The upper left side of the constant temperature water tank 1 has a hole, and the lower part of the right s...

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Abstract

The invention discloses a thermal performance test system of a solar water heater. The thermal performance test system comprises a pipeline system, a test rack and a full-automatic intelligent control system. The pipeline system comprises a constant-temperature water tank (1), a refrigeration system connected with the constant-temperature water tank (1), a self-circulation system positioned outside the constant-temperature water tank (1), and an electric heating device arranged at the bottom of the constant-temperature water tank; the pipeline system is connected with a thermal storage water tank (10) in a test rack system of the solar water heater; and the pipeline system, the constant-temperature water tank and a water storage water tank form a loop. The full-automatic intelligent control system realizes data acquisition, sequential logic control and real-time regulation and control of temperature and flow by adopting a programmable controller (PLC).

Description

technical field [0001] The invention relates to a thermal performance testing device and an automatic control system of a solar water heater. Background technique [0002] In recent years, China's solar water heater industry has developed rapidly. my country has become the world's largest producer of solar water heaters. Domestic companies have also set their sights on overseas markets. However, my country's testing standards are not yet in line with international standards. Chinese patent 2008102436679 discloses an automatic constant temperature test system for solar water heaters with mixed water drainage method. The system monitors and records various parameters in the test through data acquisition equipment, and uses secondary heating equipment to control the water temperature of the constant temperature water tank, which can meet the international standard IS09459-2 and the national standard GB / T19141-2003 at the same time. However, this test system also has the follow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M99/00
Inventor 肖宁王志峰李兴孔伟强
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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