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Ground source cold accumulation device and ground source cold accumulation system

A cold storage device and cold storage technology, which are applied in air conditioning systems, refrigerators, refrigeration components, etc., can solve problems such as decreased refrigeration efficiency

Inactive Publication Date: 2012-01-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a ground source cold storage device and system to solve the problem of cooling efficiency decline in the prior art

Method used

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  • Ground source cold accumulation device and ground source cold accumulation system
  • Ground source cold accumulation device and ground source cold accumulation system
  • Ground source cold accumulation device and ground source cold accumulation system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Please refer to figure 1 , Is a structural diagram of the first embodiment of the ground source heat pump system of the present invention. The working principle of the ground source heat pump system is as follows: First, the compressor 2 in the ground system sucks in the low-temperature and low-pressure gaseous refrigerant working medium from the evaporator 1, and compresses it into a high-temperature and high-pressure gaseous refrigerant working medium. The gaseous refrigerant enters the condenser 4, the high-temperature and high-pressure gaseous refrigerant in the condenser 4 is cooled with the cooling medium of the underground tube coil system 5, and the cooled refrigerant flows through the thermal expansion valve (capillary tube) ) 3. Throttling into a low-temperature and low-pressure gas-liquid two-phase refrigerant working medium, and then the low-temperature and low-pressure refrigerant working medium absorbs heat from the outside in the evaporator 1, and becomes a...

Embodiment 2

[0020] Please refer to figure 2 , Is the structural diagram of the first embodiment of the ground source cold storage device of the present invention. The ground source cold storage device according to the embodiment of the present invention includes a cold storage working material lower cooling tube coil heat exchange unit 8 and a liquid cold storage working medium 7.

[0021] The liquid cold storage working medium 7 is located in underground soil. In this embodiment, the cold storage working fluid 7 may be a liquid substance such as water with a larger specific heat capacity.

[0022] The underground cooling tube coil heat exchange unit 8 is located in the liquid cold storage working medium 7 and partially exposed on the ground, and is used to realize cold storage of the cold storage working medium. In this embodiment, first, the gravity heat pipe (hereinafter referred to as the gravity heat pipe) of the cooling tube coil heat exchange unit 8 under the cold storage structure is...

Embodiment 3

[0028] It should be noted that the ground source cold storage device of the present invention can be applied to various heat exchange systems, such as air conditioners, telecommunication equipment rooms, and the like.

[0029] Please refer to image 3 , Is a structural diagram of a ground source cold storage system including a ground source cold storage device according to an embodiment of the present invention. The system includes a ground source cold storage device 23, and the specific structure of the ground source cold storage device 23 is the same as that of the second embodiment.

[0030] The system further includes an air conditioning device 22 and a thermal device 21,

[0031] In this embodiment, the thermal device 21 may be an electronic device or a communication device, etc.;

[0032] In this embodiment, the air conditioning device 22 is used to adjust the temperature of the thermal equipment 21;

[0033] In this embodiment, the ground source cold storage device 23 is used as...

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Abstract

The embodiment of the invention discloses a ground source cold accumulation device and a ground source cold accumulation system. The ground source cold accumulation device comprises a liquid cold accumulation working substance and an underground cooling coil heat exchange unit, the liquid cold accumulation working substance is positioned in underground soil, the underground cooling coil heat exchange unit is positioned in the liquid cold accumulation working substance and is partially exposed on the ground, realizing the cold accumulation of the cold accumulation working substance. The cold accumulation of the cold accumulation working substance is performed through the underground cooling coil heat exchange unit, and the cold accumulation capability and the heat exchange capability of unit space are enhanced through the liquid cold accumulation working substance. The accumulated cold capability of the cold accumulation working substance can be used as the cold ends of air conditioningdevices and other heat exchange systems, and the ground source cold accumulation device has simple structure, stable and reliable operation and high efficiency and is environmental friendly.

Description

Technical field [0001] The invention relates to cold storage technology, in particular to a ground source cold storage device and system. Background technique [0002] Ground source heat pump technology is a new type of heat pump technology that uses the energy in shallow normal temperature soil or groundwater as energy sources with high efficiency and low operating cost. It can be used for heating and cooling and can provide domestic hot water. It is highly efficient, energy-saving, and conducive to sustainable development. Ground source heat pump technology uses the relatively stable characteristics of underground soil, surface water, and groundwater temperature. It is driven by electric power to transfer heat from low-level heat sources to places that need heating or heating in winter. In summer, ground source heat pump air-conditioning The indoor heat is transferred to the underground soil or groundwater to achieve the purpose of cooling. Ground source heat pumps do not req...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B30/06F25B27/00F24F5/00
CPCY02E60/147Y02B10/40Y02E60/14
Inventor 杨成鹏方雯杨隽李志坚黄书亮
Owner HUAWEI TECH CO LTD
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