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Automatic constant temperature testing system for solar water heater by water-mixing and water-discharging method

A solar water heater and testing system technology, which is applied in the testing of machines/structural components, instruments, measuring devices, etc., can solve the problems of waste of water resources, low testing efficiency, heavy testing workload, etc., achieve low cost and reduce labor intensity and the influence of human factors, and the effect of ensuring the safety of equipment operation

Inactive Publication Date: 2009-05-06
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But there are still the following problems. First, the most core and difficult to achieve. The items "daily useful heat gain" and "average heat loss factor" that are accurately tested according to ISO9459-2 and GB / T19141-2003 standards have always been The industry urgently needs to solve the technical problems. Second, the testing workload is heavy and the testing efficiency is low.
Third, since the test process requires a large amount of water as a working medium, it is discharged in vain after the test, resulting in a waste of water resources

Method used

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  • Automatic constant temperature testing system for solar water heater by water-mixing and water-discharging method
  • Automatic constant temperature testing system for solar water heater by water-mixing and water-discharging method
  • Automatic constant temperature testing system for solar water heater by water-mixing and water-discharging method

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Embodiment Construction

[0013] The automatic constant temperature test system for solar water heaters with mixed water drainage method of the present invention includes an equipment room on the first floor, where a constant temperature water tank 1, a return water storage tank 2, a water cooling system 4, a first electric heater 8, and a second electric heater are installed in the equipment room. Device 9, constant pressure expansion tank 10, water collector 12, and water pumps, valves, instruments and other equipment. The fourth floor is equipped with a control and signal acquisition machine room, including electrical control cabinets, power distribution cabinets and data acquisition instruments. There are six test stations on the roof, and each test station includes a test bench, and each test bench is equipped with water distributor 5, water distributor 11, blowing device 18, measuring instruments and other equipment. The tap water in the constant temperature water tank 1 is heated and cooled by t...

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Abstract

The invention belongs to an automatic constant temperature test system for the heat performance of a solar water heater, which comprises a water pipeline system, an electrical control system and a data signal acquisition and analysis system and is characterized in that the water pipeline system is also provided with an automatic constant temperature water device, a backwater circulation utilizing device and a stable-pressure safety device so as to solve the problems of temperature control, heat preservation, and the like in a test process, enable a temperature deviation range of detected water to be controlled within a range from 0.2 DEG C below zero to 0.2 DEG C, and satisfy the detection requirements of the ISO9459-2 standard and the GB / T19141 standard. At the same time, the invention also solves the problems that the full-automatic, multi-station and all-weather detection and the recycling of water sources are difficult, thereby having obvious social benefits and economic benefits.

Description

technical field [0001] The invention belongs to a thermal performance test system of a solar water heater, in particular to an automatic constant temperature test system for a solar water heater by a mixed water drainage method that can simultaneously meet the requirements of the international ISO9459-2 standard and the national standard GB / T19141-2003. Background technique [0002] With the continuous improvement of the national standard system for solar water heaters, the inspection requirements for relevant technical indicators of water heaters have also been continuously improved. At present, the TRM123 solar water heater test system developed by Zhuhai Allianz Electronics Co., Ltd. and the upgraded product TRM are representative. -2 type solar water heater thermal performance tester, this product is an ideal solar thermal performance tester for solar water heaters, solar collectors, solar hot water projects, etc. Real-time monitoring and recording, and automatic analysi...

Claims

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Application Information

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IPC IPC(8): G01M19/00G01D21/00G01M99/00
Inventor 操恺王凤玲王志峰李兴黄晓风胡建华费淞张嵩伟丁毅薛怀生
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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