An energy recovery air-conditioning and refrigeration equipment enthalpy difference laboratory

An energy recovery, air conditioning and refrigeration technology, which is applied in the field of enthalpy difference laboratory, can solve the problem of inability to meet the requirements of the type of air conditioning and refrigeration equipment to be tested, and achieve the effect of enhancing dehumidification effect, large enthalpy difference dehumidification effect, and reducing energy consumption.

Active Publication Date: 2019-12-10
合肥天时测控技术有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this invention patent can recycle the cold heat generated during the experiment, it can only be used when the tested air-conditioning and refrigeration equipment is an air-cooled and cold-air unitary air conditioner, and cannot meet the requirements of various types of tested air-conditioning and refrigeration equipment. Require

Method used

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  • An energy recovery air-conditioning and refrigeration equipment enthalpy difference laboratory
  • An energy recovery air-conditioning and refrigeration equipment enthalpy difference laboratory
  • An energy recovery air-conditioning and refrigeration equipment enthalpy difference laboratory

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] When the air-conditioning and refrigerating equipment to be tested is an air-cooled cold wind unitary air conditioner, close valve one 51 and valve two 52 and open valve three 53 , valve four 54 and valve five 55 . When the internal unit of the air-conditioning and refrigeration equipment under test in the indoor side test room 2 is cooled, the indoor side coil 62 absorbs the cold released by the tested machine, and transmits it to the outdoor side coil 61 through the circulation pipe 2 64. At the same time, the outdoor side coil 62 1 The heat released by the outdoor unit of the air-conditioning and refrigeration equipment under test is absorbed by the outdoor coil 61, and then transferred to the indoor coil 62 through the circulation pipe 1 63 to realize energy recovery; when the air conditioner under test in the indoor test room 2 When the refrigeration equipment is internally heated, the indoor side coil 62 absorbs the heat released by the tested machine, and transmit...

Embodiment 2

[0034] When the air-conditioning and refrigeration equipment to be tested is a water-cooled air-cooled unitary air conditioner, close valve one 51 , valve four 54 , and valve five 55 , and open valve two 52 and valve three 53 . The outdoor unit of the air-conditioning and refrigeration equipment under test in the outdoor test room 1 releases heat, and the ethylene glycol in the outdoor coil 61 absorbs the heat, enters the circulation pipe 1 63 through the outdoor coil outlet 611, and enters the circulation pipe 2 through the valve 2 52 64. After exchanging heat with the heat exchanger 65 connected in parallel to the second circulation pipeline 64, the heat is sent from the second ethylene glycol circulation pipeline 64 to the outdoor side coil inlet 612 through the valve three 53 to the outdoor side coil 61. After the internal unit of the air-conditioning and refrigeration equipment under test in the indoor test room 2 is refrigerated, the low-temperature water carrying cooling...

Embodiment 3

[0036] When the air-conditioning and refrigeration equipment to be tested is an air-cooled chilled water unitary air conditioner, close valve two 52 , valve three 53 , and valve five 55 , and open valve one 51 and valve four 54 . The indoor unit of the air-conditioning and refrigeration equipment under test in the indoor test room 2 releases cooling capacity, and the ethylene glycol in the indoor side coil 62 absorbs the cooling capacity, and enters the circulation pipeline 2 64 through the indoor side coil outlet 621, and is connected in parallel with the circulation pipeline 2 After the heat exchanger 6 on 64 has exchanged heat, it enters the circulation pipe 1 63 from the ethylene glycol circulation pipe 2 64 through the valve 51, and then sends it back to the indoor side coil pipe from the indoor side coil inlet 622 through the valve 4 54 62. After the air-conditioning and refrigeration equipment under test in the outdoor test room 1 is heated by the external mechanism, th...

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Abstract

The invention relates to an energy recovery type air conditioning and refrigeration equipment enthalpy difference laboratory. The laboratory includes an energy recovery type air conditioning and refrigeration equipment enthalpy difference laboratory includes an outdoor side test room, an indoor side test room, and an energy recovery system connecting the outdoor side test room and the indoor side test room, the energy recovery system includes first and second energy recovery circulation systems, the first energy recovery circulation system includes an outdoor side coil pipe located in the outdoor side test room, and an indoor side coil pipe located in the indoor side test room, the outdoor side coil pipe forms a circulation loop with an indoor side coil pipe through a circulating pipe 1 and a circulating pipe 2, a heat exchanger is parallelly connected with the circulating pipe 2, the second energy recovery circulation system includes a water tank, the water tank forms a circulation loop with the heat exchanger via a water inlet pipe 1 and a water outlet pipe 1, and the water tank forms a circulation loop with the outer unit or inner unit of an air conditioning device to be tested via a water inlet pipe 2 and a water outlet pipe 2. The laboratory can recover and utilize the heat and cold capability generated during the testing while meeting the work condition of the different types of devices to be tested, thereby effectively reducing the energy consumption.

Description

technical field [0001] The invention relates to the technical field of an enthalpy difference laboratory, in particular to an energy recovery type enthalpy difference laboratory for air-conditioning and refrigeration equipment. Background technique [0002] At present, the performance test of air-conditioning and refrigeration equipment mainly relies on environmental simulation experiments. The external test room of the enthalpy difference test room provides the required working conditions for the external unit of the air-conditioning and refrigeration equipment to be tested, and the indoor test room provides the required working conditions for the internal unit of the tested air-conditioning and refrigeration equipment. During the experiment, the tested air-conditioning and refrigeration equipment produces The cold heat cannot be effectively recovered and reused, which does not meet the requirements for low energy consumption of equipment. The existing energy recovery devi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M99/00
CPCG01M99/002
Inventor 黄承宏郭艳萍
Owner 合肥天时测控技术有限公司
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