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High-low temperature environment air-cooled chiller unit and control method thereof

A technology of water chiller and ambient air, which is applied in the direction of refrigerators, refrigeration components, irreversible cycle compressors, etc., and can solve problems such as large safety hazards and inability to meet the use requirements of data centers

Active Publication Date: 2015-07-01
GUANGDONG SHENLING ENVIRONMENT SYST CO LTD
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  • Abstract
  • Description
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Problems solved by technology

[0008] The purpose of the present invention is to provide an air-cooled water chiller in a high and low temperature environment and its control method, aiming to solve the problem that the existing common air-cooled water chiller has a large safety hazard when it is operated in a low-temperature or high-temperature outdoor environment for a long time, and cannot meet the needs of data centers. Questions about usage requirements

Method used

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  • High-low temperature environment air-cooled chiller unit and control method thereof
  • High-low temperature environment air-cooled chiller unit and control method thereof

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Embodiment Construction

[0051] In order to make the object, technical solution and advantages of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0052] like figure 1 As shown, the high and low temperature environment air-cooled chiller includes a refrigeration system, an air-conditioning water system (that is, an air-conditioning refrigerant system), an axial flow fan cooling system, and an automatic control system; the refrigeration system includes a compressor 110, a condenser 120 , evaporator 130 and pressure sensor 140; the air-conditioning brine system includes a surface cooler 210, a three-way valve 220, a water pump 230, and the surface cooler 210 is arranged in the condenser 120; the axial fan cooling system includes a shaft Flow blower 320; Described automatic control system comprises inlet water temperature sensor 420, outlet water temperature sensor 430, ambient te...

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Abstract

The invention discloses a high-low temperature environment air-cooled chiller unit and a control method thereof. By adopting the cooperation of a water system and a cooling system, the overall unit is reasonable in design, intelligent in control, wide in adaptation environment range and stable and reliable in operation, energy is saved, and important significance on improving the reliability, operated for a long term and under the limiting ambient temperature, of the air-cooled chiller unit used in a data center or a process requirement place where cooling is still needed under the high temperature environment and low temperature environment is achieved.

Description

technical field [0001] The invention relates to an air-cooled water chiller, in particular to an air-cooled water chiller in a high and low temperature environment which can still perform normal refrigeration operation in a high and low temperature environment and a control method thereof. Background technique [0002] In current communication equipment rooms, especially large data centers, air-cooled chillers are generally used as cold sources to provide chilled water for the indoor terminals of the air-conditioning equipment in the communication equipment room, thereby cooling down the indoor environment of the communication equipment room. Since the communication equipment in the communication room is basically in continuous operation throughout the year and generates a lot of heat, no matter it is hot summer or cold winter, the air-cooled chiller used in the communication room needs to be stable. Cooling operation. [0003] At present, the existing general air-cooled ch...

Claims

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Application Information

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IPC IPC(8): F25B1/00F25B49/02
CPCF25B1/00F25B49/02
Inventor 潘展华林创辉张晓艳李云鹏陈华张学伟
Owner GUANGDONG SHENLING ENVIRONMENT SYST CO LTD
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