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Energy-saving machine room air conditioning system and running method thereof

A computer room air conditioner and operating method technology, which is applied to air conditioning systems, refrigerators, heating methods, etc., can solve the problems of short running time of the pump system and unfavorable system energy efficiency ratio, etc.

Active Publication Date: 2017-10-31
EMERSON NETWORK POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This kind of system is affected and limited by the dry bulb temperature of the local environment, and the pump system runs for a short time throughout the year, which is not conducive to the improvement of the annual energy efficiency ratio of the system.

Method used

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  • Energy-saving machine room air conditioning system and running method thereof
  • Energy-saving machine room air conditioning system and running method thereof
  • Energy-saving machine room air conditioning system and running method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0029] Such as figure 1 As shown, Embodiment 1 of the present invention provides an energy-saving computer room air conditioning system. The energy-saving computer room air conditioning system includes: a pump 1, a first one-way valve 21, a liquid storage tank 3, a condenser 4, a compressor 5, a second one-way valve 22, an evaporator 6, an expansion valve 12, a water storage tank 7 and water pump11. The condenser 4 includes a fluorine coil 41 and a water coil 42, and the fluorine coil 41 and the water coil 42 are two independent heat exchange coils.

[0030] Wherein, the pump 1, the liquid storage tank 3, the condenser 4 and its fluorine coil 41, the compressor 5, the evaporator 6 and the expansion valve 12 are serially connected in series to form a first circulation loop for refrigeration. Wherein, both ends of the pump 1 are also connected in parallel with a first one-way valve 21 , and the compressor is connected in parallel with a second one-way valve 22 . In the first ...

Embodiment 2

[0034] Such as figure 2 As shown, compared with Embodiment 1, the energy-saving computer room air-conditioning system provided by Embodiment 2 of the present invention differs in that an underground pipe 8 is added in the second circulation loop. That is, the water coil pipe 42 , the buried pipe 8 , the water storage tank 7 and the water pump 11 are sequentially connected in series to form a second circulation loop.

[0035] During operation, after the water pump 1 pumps out the water in the water storage tank 7, the air is pre-cooled through the water coil 42, and then cooled back to the water storage tank through the buried pipe 8.

[0036] The buried pipe 8 can be a cooling tower 10, or a water ring buried pipe that absorbs the cooling capacity of well water or rivers and lakes.

Embodiment 3

[0038] Such as image 3As shown, the energy-saving computer room air-conditioning system provided by Embodiment 3 of the present invention is different from Embodiment 1 in that: an electric valve 9 and a cooling tower 10 are added in the second circulation loop. Wherein, the water coil pipe 42 , the cooling tower 10 , the water storage tank 7 and the water pump 11 are serially connected in sequence to form a second circulation loop. The electric valve 9 is connected in parallel with the water coil 42 .

[0039] During operation, when the ambient temperature is lower than a set value, the electric valve 9 is turned on, the water coil 42 is bypassed, and the water pumped by the water pump 11 from the water storage tank 7 directly enters the cooling tower 10 for cooling, and then returns to Water storage tank 7 is standby.

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Abstract

The invention relates to an energy-saving machine room air conditioning system and a running method thereof. The energy-saving machine room air conditioning system comprises a first circulation loop for refrigerating; the first circulation loop comprises a pump, a liquid storage tank, a condenser, a compressor, an evaporator and an expansion valve which are sequentially connected in series, a first one-way valve is connected to the two ends of the pump in parallel, and a second one-way valve is connected to the two ends of the compressor in parallel; the energy-saving machine room air conditioning system further comprises a second circulation loop used for pre-lowering the inflow air temperature of the condenser, and the second circulation loop lowers the inflow air temperature of the condenser through a natural cold source. According to the system, the circulation system capable of achieving precooling through the natural cold source is additionally arranged, therefore, the inflow air temperature of the condenser in the energy-saving machine room air conditioning system is lowered, the annual working time of the pump in the first circulation system for refrigerating in an air conditioner is prolonged, the time for achieving refrigerating through cold energy of the outdoor natural cold source is prolonged, and then the annual energy efficiency ratio of the energy-saving machine room air conditioning system is increased.

Description

【Technical field】 [0001] The invention relates to the technical field of air conditioning, in particular to an energy-saving machine room air conditioning system and an operating method thereof. 【Background technique】 [0002] With the development of modern information technology, the number and scale of communication equipment rooms are also expanding. At the same time, under the call of the national energy conservation and emission reduction policy, reducing the energy consumption of equipment rooms has become the focus of many operators. According to the survey, in the computer room, only the power consumption of the precision air conditioner accounts for more than 50% of the total power consumption of the computer room. About 70%. Therefore, effectively reducing the power consumption of air conditioners has become an important direction to reduce the energy consumption of computer rooms. [0003] SDC air conditioning system (Smart Dual Cycle System) is a new type of en...

Claims

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Application Information

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IPC IPC(8): F24F5/00F25D1/02F25B41/04F25B41/06F25B41/20F25B41/31
CPCF24F5/001F25D1/02F25B41/31F25B41/20
Inventor 王舜
Owner EMERSON NETWORK POWER CO LTD
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