CN203605376U - Integrated machine room air-conditioning system - Google Patents

Integrated machine room air-conditioning system Download PDF

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Publication number
CN203605376U
CN203605376U CN201320561006.7U CN201320561006U CN203605376U CN 203605376 U CN203605376 U CN 203605376U CN 201320561006 U CN201320561006 U CN 201320561006U CN 203605376 U CN203605376 U CN 203605376U
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loop
heat
conditioning
machine room
working medium
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CN201320561006.7U
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邵双全
张海南
田长青
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Technical Institute of Physics and Chemistry of CAS
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Technical Institute of Physics and Chemistry of CAS
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Abstract

The utility model relates to an integrated machine room air-conditioning system which mainly comprises components of: a steam compression refrigerating loop, a loop heat pipe loop and a heat exchange device. The heat exchange device is connected with the steam compression refrigerating loop and the loop heat pipe loop respectively. The steam compression refrigerating loop comprises a refrigerator, a condenser and a throttling device. Two ends of the condenser are respectively connected with a compressor and a throttling device through pipeline. The compressor and the throttling device are respectively communicated with the heat exchange device through pipeline. Two ends of an indoor heat pipe evaporator are respectively communicated with the heat exchange device. The integrated machine room air-conditioning system is advantageous in that: the integrated machine room air-conditioning system is provided with the steam compression refrigerating loop and the loop heat pipe loop simultaneously, independent operation or synchronous operation between steam compression refrigerating and loop heat pipe cooling. Simultaneously the integrated machine room air-conditioning system is provided with an outdoor air channel, A natural cold source can be utilized for cooling maximally, thereby saving energy consumption in cooling, realizing simple structure and facilitating maintenance.

Description

A kind of integrated machine room air-conditioning system
Technical field
The present invention relates to Refrigeration & Air-Conditioning technical field, relate in particular to integrated machine room air-conditioning system.
Background technology
Along with the fast development of IT technology, the quantity of data center and communications equipment room increases substantially at present.Equipment heating amount in machine room is large, needs special heat dissipation equipment to dispel the heat.Traditional way is air conditioner in machine room to be installed rely on vapor compression refrigeration, because its energy consumption is larger, can not meet sustainable development requirement.In order to reduce the cooling energy consumption of data center module, loop heat pipe is applied to data center module heat radiation.The patent such as heat extraction device for equipment room (CN200820123459.0), a kind of heat extraction device for equipment room (CN201010221372.9) for the band air pump separate type thermosiphon heat abstractor (CN200910088535.8) of machine room or rack, a kind of evaporation cooling type heat-pipe heat exchange of the separate heat pipe that single tube connects all adopts separate heat pipe to realize the heat radiation of data center module.But this heat radiation device for loop heat pipe can only be applied in the occasion that outdoor temperature is low, therefore need to increase a set of vapor compression refrigeration system as auxiliary, this has just improved initial outlay, has increased floor space simultaneously.For this reason, some patents have proposed steam compressed and compound unit loop heat pipe.Patent CN200910119883.7 has proposed a kind of air processor with natural cold and heat supply function, has realized year-round operation object.But in this scheme, the steam compressed and naturally cooling valve that needs switches, and affects unit operation reliability.Patent CN201210084797.9 has proposed the mechanically refrigerated liquid pump of a kind of overlapping and has driven heat-pipe apparatus, but because the evaporimeter of vapor compression circuit in scheme and the condenser of heat pipe circuit are separate, system is complexity comparatively.
[0003], for realizing making full use of of natural cooling source, simplied system structure, saving floor space, design technical solution of the present invention simultaneously.
Therefore,, for above deficiency, the invention provides integrated machine room air-conditioning system.
Summary of the invention
(1) technical problem that will solve
The object of the invention is to solve the complex structure of existing computer-room air conditioning system, take up an area greatlyr, can not make full use of the problem of natural cooling source.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of integrated machine room air-conditioning system, it mainly comprises vapor compression refrigeration loop, loop heat pipe loop and heat-exchanger rig, described heat-exchanger rig is connected with vapor compression refrigeration loop and loop heat pipe loop respectively, described vapor compression refrigeration loop comprises compressor, condenser and throttling arrangement, the two ends of described condenser are respectively by pipeline connection compressor and throttling arrangement, described compressor and throttling arrangement are respectively by pipeline connection heat-exchanger rig, the two ends of described Indoor Thermal pipe evaporator are communicated with respectively heat-exchanger rig.
Wherein, described heat-exchanger rig comprises outdoor air path, loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage side by side, in described loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage, be sealed with respectively heat-pipe working medium and refrigeration working medium, described loop heat pipe working medium passage is communicated with Indoor Thermal pipe evaporator, and described vapor compression refrigeration loop working medium passage is connected with compressor and throttling arrangement respectively.
Wherein, described Indoor Thermal pipe evaporator can be one or more combination of air-cooled heat-exchanger rig, direct contact type radiator, liquid-cooled heat-exchanger rig.
Wherein, described air-cooled heat-exchanger rig is preferably tubular structure, is made up of one or more straight tube, one or more in finned tube, the additional fin of coiled pipe, many straight tube cover fins, finned flat tube.
Wherein, described direct contact type radiator is by directly contacting and dispel the heat with heat generating components.
Wherein, described liquid-cooled heat-exchanger rig is one or more compositions in bushing type, board-like, shell-tube type heat exchanger.
Wherein, described condenser is the wherein combination of one or more of air-cooled, water-cooled, evaporating condensation type condenser.
Wherein, described throttling arrangement is one or several the combination in heating power expansion valve, electric expansion valve, capillary, restricting orifice.
Wherein, described refrigerated medium pump is used for driving loop heat pipe loop to carry out work.
Wherein, described heat-exchanger rig is also laid with blower fan in outdoor air path, and described blower fan is for accelerating the circulation of air in outdoor air path.
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages: native system has vapor compression refrigeration loop and loop heat pipe loop simultaneously, can realize vapor compression refrigeration and loop heat pipe cooling independent or move cooling simultaneously, there is outdoor air path simultaneously, can utilize to the full extent natural cooling source to carry out cooling, save cooling energy consumption, simple in structure, it is convenient to safeguard.
Accompanying drawing explanation
Fig. 1 is the structure chart of the integrated machine room air-conditioning system described in the embodiment of the present invention one;
Fig. 2 is the structure chart of the integrated machine room air-conditioning system described in the embodiment of the present invention two;
Fig. 3 is the structure chart of the integrated machine room air-conditioning system described in the embodiment of the present invention three;
Fig. 4 is the structure chart of the integrated machine room air-conditioning system described in the embodiment of the present invention four.
In figure: 1: compressor; 2: condenser; 3: throttling arrangement; 4: heat-exchanger rig; 5: Indoor Thermal pipe evaporator; 6: refrigerated medium pump.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Embodiment mono-
As shown in Figure 1, a kind of integrated machine room air-conditioning system that the embodiment of the present invention provides, it mainly comprises vapor compression refrigeration loop, loop heat pipe loop and heat-exchanger rig, described heat-exchanger rig is connected with vapor compression refrigeration loop and loop heat pipe loop respectively, described vapor compression refrigeration loop comprises compressor 1, condenser 2 and throttling arrangement 3, the two ends of described condenser 2 are respectively by pipeline connection compressor 1 and throttling arrangement 3, described compressor 1 and throttling arrangement 3 are respectively by pipeline connection heat-exchanger rig 4, the two ends of described Indoor Thermal pipe evaporator 5 are communicated with respectively heat-exchanger rig 4, the loop heat pipe loop of described air-conditioning system absorbs machine room heat extraction by Indoor Thermal pipe evaporator 5.
Wherein, described heat-exchanger rig 4 comprises outdoor air path, loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage side by side, in described loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage, be sealed with respectively heat-pipe working medium and refrigeration working medium, described loop heat pipe working medium passage is communicated with indoor evaporator, and described vapor compression refrigeration loop working medium passage is connected with compressor and throttling arrangement respectively; Condensation after heat exchange both can be carried out by vapor compression refrigeration loop working medium passage in the loop heat pipe loop of described air-conditioning system, also can carry out condensation after heat exchange by outdoor air path, and can be simultaneously carry out condensation after heat exchange by vapor compression refrigeration loop working medium passage and outdoor air path.
Wherein, described Indoor Thermal pipe evaporator 5 is air-cooled heat-exchanger rig, described air-cooled heat-exchanger rig is preferably tubular structure, is made up of one or more straight tube, one or more in finned tube, the additional fin of coiled pipe, many straight tube cover fins, finned flat tube.
Wherein, described condenser 2 is preferably air cooled condenser.
Wherein, described throttling arrangement 3 is one or several the combination in heating power expansion valve, electric expansion valve, capillary, restricting orifice.
Wherein, described heat-exchanger rig 4 is also laid with blower fan in outdoor air path, and described blower fan is beneficial to heat radiation for accelerating the circulation of air in outdoor air path.
When concrete enforcement, specifically keep the setting of temperature according to machine room, with the measurement to outdoor temperature, according to temperature range, air-conditioning system is carried out the adjustment of different operating mode: when outdoor temperature higher (outdoor temperature is higher than loop heat pipe condensation temperature), only open vapor compression refrigeration loop, first start compressor 1, the condensation in condenser 2 after compressor 1 compression of refrigeration working medium in vapor compression refrigeration loop, after throttling arrangement 3 reducing pressure by regulating flows, enter heat-exchanger rig 4, evaporation from the heat absorption of loop heat pipe working medium, then flow back to compressor 1; The heat-pipe working medium in loop heat pipe loop flows into heat-exchanger rig 4 after the heat extraction evaporation of the interior absorption machine room of Indoor Thermal pipe evaporator 5, to the refrigeration working medium heat release condensation in vapor compression refrigeration loop, condensed liquid heat-pipe working medium is back to Indoor Thermal pipe evaporator 5 under Action of Gravity Field, so that continue evaporation.
In the time that outdoor temperature is lower, (outdoor temperature is lower than loop heat pipe condensation temperature, but the difference of outdoor temperature and loop heat pipe condensation temperature is not enough to keep the predetermined temperature of whole machine room) need open vapor compression refrigeration loop and outdoor air path refrigeration simultaneously, first start the blower fan in compressor 1 and loop heat pipe loop, the condensation in condenser 2 after compressor 1 compression of refrigeration working medium in described vapor compression refrigeration loop, after throttling arrangement 3 reducing pressure by regulating flows, enter the vapor compression refrigeration loop working medium passage of heat-exchanger rig 4, evaporation from the heat absorption of loop heat pipe working medium, flow back to again compressor 1, described outdoor cold air enters the outdoor air path of heat-exchanger rig 4 under the effect of blower fan, from the heat absorption of loop heat pipe working medium, then is discharged to outdoor, condensation after the air of described loop heat pipe working medium in interior refrigeration working medium and the outdoor air path to evaporating in the refrigeration working medium passage of vapor compression refrigeration loop of heat-exchanger rig 4 carries out heat exchange.
In the time that outdoor temperature is enough low, (outdoor temperature is lower than loop heat pipe condensation temperature, and the cooling effect that the difference of outdoor temperature and loop heat pipe condensation temperature reaches meets the maintenance of the predetermined temperature of whole machine room), can close vapor compression refrigeration loop, only opening outdoor air path carries out cooling, first close compressor 1, open blower fan, outdoor cold air is by blower fan suction outdoor air path, now the heat-pipe working medium in loop heat pipe loop in the loop heat pipe passage of heat-exchanger rig 4 only with outdoor air path in cold air carry out heat exchange condensation.
Embodiment bis-
As shown in Figure 2, the integrated machine room air-conditioning system that the embodiment of the present invention provides, it mainly comprises vapor compression refrigeration loop, loop heat pipe loop and heat-exchanger rig, described heat-exchanger rig is connected with vapor compression refrigeration loop and loop heat pipe loop respectively, described vapor compression refrigeration loop comprises compressor 1, condenser 2 and throttling arrangement 3, the two ends of described condenser 2 are respectively by pipeline connection compressor 1 and throttling arrangement 3, described compressor 1 and throttling arrangement 3 are respectively by pipeline connection heat-exchanger rig 4, the two ends of described Indoor Thermal pipe evaporator 5 are communicated with respectively heat-exchanger rig 4, the loop heat pipe loop of described air-conditioning system absorbs machine room heat extraction by Indoor Thermal pipe evaporator 5.
Wherein, described heat-exchanger rig 4 comprises outdoor air path, loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage side by side, in described loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage, be sealed with respectively heat-pipe working medium and refrigeration working medium, described loop heat pipe working medium passage is communicated with indoor evaporator, and described vapor compression refrigeration loop working medium passage is connected with compressor and throttling arrangement respectively; Condensation after heat exchange both can be carried out by vapor compression refrigeration loop working medium passage in the loop heat pipe loop of described air-conditioning system, also can carry out condensation after heat exchange by outdoor air path, and can be simultaneously carry out condensation after heat exchange by vapor compression refrigeration loop working medium passage and outdoor air path.
Wherein, described indoor evaporator 5 is air-cooled heat-exchanger rig, described air-cooled heat-exchanger rig is preferably tubular structure, is made up of one or more straight tube, one or more in finned tube, the additional fin of coiled pipe, many straight tube cover fins, finned flat tube.
Wherein, described condenser 2 is preferably water cooled condenser 2, utilizes the cooling water of nature cold water source or cooling tower to carry out cooling.
Wherein, described throttling arrangement 3 is one or several the combination in heating power expansion valve, electric expansion valve, capillary, restricting orifice.
Wherein, described heat-exchanger rig 4 is also laid with blower fan in outdoor air path, and described blower fan is beneficial to heat radiation for accelerating the circulation of air in outdoor air path.
Embodiment tri-
As shown in Figure 3, the integrated machine room air-conditioning system that the embodiment of the present invention provides, it mainly comprises vapor compression refrigeration loop, loop heat pipe loop and heat-exchanger rig, described heat-exchanger rig is connected with vapor compression refrigeration loop and loop heat pipe loop respectively, described vapor compression refrigeration loop comprises compressor 1, condenser 2 and throttling arrangement 3, the two ends of described condenser 2 are respectively by pipeline connection compressor 1 and throttling arrangement 3, described compressor 1 and throttling arrangement 3 are respectively by pipeline connection heat-exchanger rig 4, the two ends of described Indoor Thermal pipe evaporator 5 are communicated with respectively heat-exchanger rig 4, the loop heat pipe loop of described air-conditioning system absorbs machine room heat extraction by Indoor Thermal pipe evaporator 5.
Wherein, described heat-exchanger rig 4 comprises outdoor air path, loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage side by side, in described loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage, be sealed with respectively heat-pipe working medium and refrigeration working medium, described loop heat pipe working medium passage is communicated with indoor evaporator, and described vapor compression refrigeration loop working medium passage is connected with compressor 1 and throttling arrangement 3 respectively; Condensation after heat exchange both can be carried out by vapor compression refrigeration loop working medium passage in the loop heat pipe loop of described air-conditioning system, also can carry out condensation after heat exchange by outdoor air path, and can be simultaneously carry out condensation after heat exchange by vapor compression refrigeration loop working medium passage and outdoor air path.
Wherein, described Indoor Thermal pipe evaporator 5 direct contact type evaporimeters, described direct contact type radiator, by directly contacting and make heat-pipe working medium evaporation with heat generating components, reaches the object of heat radiation.
Wherein, described condenser 2 is the wherein combination of one or more of air-cooled, water-cooled, evaporating condensation type condenser.
Wherein, described throttling arrangement 3 is one or several the combination in heating power expansion valve, electric expansion valve, capillary, restricting orifice.
Wherein, described heat-exchanger rig 4 is also laid with blower fan in outdoor air path, and described blower fan is for accelerating the circulation of air in outdoor air path.
Embodiment tetra-
As shown in Figure 4, a kind of integrated machine room air-conditioning system that the embodiment of the present invention provides, it mainly comprises vapor compression refrigeration loop, loop heat pipe loop and heat-exchanger rig, described heat-exchanger rig is connected with vapor compression refrigeration loop and loop heat pipe loop respectively, described vapor compression refrigeration loop comprises compressor 1, condenser 2 and throttling arrangement 3, the two ends of described condenser 2 are respectively by pipeline connection compressor 1 and throttling arrangement 3, described compressor 1 and throttling arrangement 3 are respectively by pipeline connection heat-exchanger rig 4, the two ends of described Indoor Thermal pipe evaporator 5 are communicated with respectively heat-exchanger rig 4, the loop heat pipe loop of described air-conditioning system absorbs machine room heat extraction by Indoor Thermal pipe evaporator 5.
Wherein, described heat-exchanger rig 4 comprises outdoor air path, loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage side by side, in described loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage, be sealed with respectively refrigeration working medium, described loop heat pipe working medium passage is communicated with indoor evaporator, and described vapor compression refrigeration loop working medium passage is connected with compressor 1 and throttling arrangement 3 respectively; Condensation after heat exchange both can be carried out by vapor compression refrigeration loop working medium passage in the loop heat pipe loop of described air-conditioning system, also can carry out condensation after heat exchange by outdoor air path, and can be simultaneously carry out condensation after heat exchange by vapor compression refrigeration loop working medium passage and outdoor air path.
Wherein, described Indoor Thermal pipe evaporator 5 can be one or more combination of air-cooled heat-exchanger rig, direct contact type radiator, liquid-cooled heat-exchanger rig.
Wherein, described condenser 2 is the wherein combination of one or more of air-cooled, water-cooled, evaporating condensation type condenser.
Wherein, described throttling arrangement 3 is one or several the combination in heating power expansion valve, electric expansion valve, capillary, restricting orifice.
Wherein, described loop heat pipe also comprises refrigerated medium pump 6 in loop, and described refrigerated medium pump 6 is for driving loop heat pipe loop to carry out work.
Wherein, described heat-exchanger rig is also laid with blower fan in outdoor air path, and described blower fan is for accelerating the circulation of air in outdoor air path.
In sum, native system has vapor compression refrigeration loop and loop heat pipe loop simultaneously, can realize vapor compression refrigeration and loop heat pipe cooling independent or move cooling simultaneously, there is outdoor air path simultaneously, can utilize to the full extent natural cooling source to carry out cooling, save cooling energy consumption, simple in structure, it is convenient to safeguard.
The above is only a kind of preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.

Claims (10)

1. an integrated machine room air-conditioning system, it is characterized in that: it mainly comprises vapor compression refrigeration loop, loop heat pipe loop and heat-exchanger rig, described heat-exchanger rig is connected with vapor compression refrigeration loop and loop heat pipe loop respectively, described vapor compression refrigeration loop comprises compressor, condenser and throttling arrangement, the two ends of described condenser are respectively by pipeline connection compressor and throttling arrangement, described compressor and throttling arrangement are respectively by pipeline connection heat-exchanger rig, and the two ends of Indoor Thermal pipe evaporator are communicated with respectively heat-exchanger rig.
2. integrated machine room air-conditioning system according to claim 1, it is characterized in that: described heat-exchanger rig comprises outdoor air path, loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage side by side, in described loop heat pipe working medium passage and vapor compression refrigeration loop working medium passage, be sealed with respectively heat-pipe working medium and refrigeration working medium, described loop heat pipe working medium passage is communicated with Indoor Thermal pipe evaporator, and described vapor compression refrigeration loop working medium passage is connected with compressor and throttling arrangement respectively.
3. integrated machine room air-conditioning system according to claim 2, is characterized in that: described Indoor Thermal pipe evaporator can be one or more combination of air-cooled heat-exchanger rig, direct contact type radiator, liquid-cooled heat-exchanger rig.
4. integrated machine room air-conditioning system according to claim 3, it is characterized in that: described air-cooled heat-exchanger rig is preferably tubular structure, formed by one or more straight tube, one or more in finned tube, the additional fin of coiled pipe, many straight tube cover fins, finned flat tube.
5. integrated machine room air-conditioning system according to claim 3, is characterized in that: described direct contact type radiator is by directly contacting and dispel the heat with heat generating components.
6. integrated machine room air-conditioning system according to claim 3, is characterized in that: described liquid-cooled heat-exchanger rig is one or more compositions in bushing type, board-like, shell-tube type heat exchanger.
7. integrated machine room air-conditioning system according to claim 1, is characterized in that: described condenser is the wherein combination of one or more of air-cooled, water-cooled, evaporating condensation type condenser.
8. integrated machine room air-conditioning system according to claim 1, is characterized in that: described throttling arrangement is one or several the combination in heating power expansion valve, electric expansion valve, capillary, restricting orifice.
9. integrated machine room air-conditioning system according to claim 1, is characterized in that: described loop heat pipe can also comprise refrigerated medium pump in loop, and described refrigerated medium pump is used for driving loop heat pipe loop to carry out work.
10. integrated machine room air-conditioning system according to claim 1, is characterized in that: described heat-exchanger rig is also laid with blower fan in outdoor air path, and described blower fan is for accelerating the circulation of air in outdoor air path.
CN201320561006.7U 2013-09-10 2013-09-10 Integrated machine room air-conditioning system Active CN203605376U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104214854A (en) * 2013-09-10 2014-12-17 中国科学院理化技术研究所 Integrated machine room air conditioning system
CN106322694A (en) * 2016-09-20 2017-01-11 北京工业大学 Monitoring system for pump driving two-phase composite refrigerating unit
CN106482404A (en) * 2016-09-09 2017-03-08 郑州云海信息技术有限公司 A kind of air-conditioning system and its control method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104214854A (en) * 2013-09-10 2014-12-17 中国科学院理化技术研究所 Integrated machine room air conditioning system
CN106482404A (en) * 2016-09-09 2017-03-08 郑州云海信息技术有限公司 A kind of air-conditioning system and its control method
CN106482404B (en) * 2016-09-09 2019-05-14 郑州云海信息技术有限公司 A kind of air-conditioning system and its control method
CN106322694A (en) * 2016-09-20 2017-01-11 北京工业大学 Monitoring system for pump driving two-phase composite refrigerating unit
CN106322694B (en) * 2016-09-20 2022-03-04 北京工业大学 Pump-driven two-phase composite refrigerating unit monitoring system

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