CN107588490A - Refrigeration heat pipe composite air conditioner system and its control method - Google Patents
Refrigeration heat pipe composite air conditioner system and its control method Download PDFInfo
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- CN107588490A CN107588490A CN201610550383.9A CN201610550383A CN107588490A CN 107588490 A CN107588490 A CN 107588490A CN 201610550383 A CN201610550383 A CN 201610550383A CN 107588490 A CN107588490 A CN 107588490A
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- heat pipe
- refrigeration
- air conditioner
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- composite air
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 120
- 239000002131 composite material Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000006835 compression Effects 0.000 claims abstract description 40
- 238000007906 compression Methods 0.000 claims abstract description 40
- 238000001704 evaporation Methods 0.000 claims abstract description 28
- 230000008020 evaporation Effects 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims description 19
- 238000005215 recombination Methods 0.000 claims description 4
- 230000006798 recombination Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 2
- 230000008676 import Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 11
- 238000004378 air conditioning Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
Invention provides a kind of refrigeration heat pipe composite air conditioner system and its control method.The refrigeration heat pipe composite air conditioner system includes separate compression refrigeration cycle (1), heat pipe circulation loop (2) and indoor evaporation circuit (3), refrigeration cycle (1) and heat pipe circulation loop (2) is compressed respectively by forming heat exchange connection between Intermediate Heat Exchanger (4) and indoor evaporation circuit (3), and to indoor evaporation circuit (3) to cool.According to the refrigeration heat pipe composite air conditioner system of the present invention, can solve compressor cold source system of the prior art and natural cooling source system can only select an operation, it is impossible to while the problem of run.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of refrigeration heat pipe composite air conditioner system and its controlling party
Method.
Background technology
With the development of the social economy, informationization technology is quickly grown, the arriving in particular with the big data epoch, it is necessary to
Supported based on substantial amounts of information-based computer room.Therefore, either government, common carrier, or Internet enterprises etc. all need
Build substantial amounts of electronic information machine room.
Electronic message unit in computer room carries the functions such as data storage, calculating, to ensure electronic message unit just
Often operation, computer room needs air-conditioning system, and uninterrupted refrigerating operaton radiates to rack throughout the year.At present, traditional electronic information machine
Room refrigeration radiating mode is to concentrate heat exchange to produce by chilled water air-conditioning or modular precision air conditioner to be re-fed into computer room after cold wind and enter
Row allocation of the amount of air, and then cooling is carried out to the equipment in each rack.The mode of this traditional air conditioner refrigerating, there is
Air-conditioning draught fan energy consumption is big, and air conditioner refrigeration effect is bad, and natural coldness resource utilizing rate is not high, the problems such as easy hot-spot.
To solve problem above existing for traditional machine room Special air-conditioning system, has new technologies and methods scheme at present, especially
It is that refrigeration unit is arranged in micro energy lose radiating cabinet at computer room inner region rack tailgate, solves above mentioned problem well, but
Because each rack is configured with heat-sink unit so that its initial cost can increased compared with traditional air conditioner, but relative to
Traditional machine room will save a lot, and and can ensures that computer room thermal field exists uniformly and without focus while operating cost is greatly reduced, phase
To being more suitable for high power density computer room.
With reference to shown in Figure 1, a kind of system is disclosed in the Chinese invention patent of Application No. 201610530419.7
Hot and cold tube composite air conditioner system, includes compressor cold source system and natural cooling source system, and compressor cold source system includes compression
Machine 1, natural cooling source system include heat pipe pipeline 2, and heat pipe pipeline 2 is arranged in parallel with compressor 1, set in the porch of compressor 1
The first control valve 3 is equipped with, the second control valve 4 is provided with heat pipe pipeline 2, the compressor cold source system and natural cooling source system can
Selectively connected with indoor evaporator heat exchange.
But within the system, compressor cold source system and natural cooling source system can only select an operation, it is impossible to run, limit simultaneously
The service behaviour of refrigeration heat pipe composite air conditioner system is made.
The content of the invention
It is an object of the invention to provide a kind of refrigeration heat pipe composite air conditioner system and its control method, to solve prior art
In compressor cold source system and natural cooling source system can only select an operation, it is impossible to while the problem of run.
In order to solve the above technical problems, as one aspect of the present invention, there is provided a kind of refrigeration heat pipe combined air conditioner system
System, including separate compression refrigeration cycle, heat pipe circulation loop and indoor evaporation circuit, compress refrigeration cycle
And heat pipe circulation loop returns by forming heat exchange connection between Intermediate Heat Exchanger and indoor evaporation circuit, and to indoor evaporation respectively
Road cools.
The refrigeration heat pipe composite air conditioner system of the present invention, compression refrigeration cycle, heat pipe circulation loop and indoor evaporation
Loop is separate, is independent of each other, and is exchanged heat by Intermediate Heat Exchanger, can unrestricted choice circulating picture-changing hot-die as needed
Formula, individually heat exchange, heat pipe Natural Circulation refrigeration individually heat exchange and the compression of compression refrigeration can be realized in single air conditioning system
Mechanism cold and heat pipe Natural Circulation refrigeration mixed heat transfer Three models, and switching valve is not needed, simple to operate, system stably may be used
Lean on.
Brief description of the drawings
Fig. 1 diagrammatically illustrates the structure principle chart of the refrigeration heat pipe composite air conditioner system of prior art；
Fig. 2 diagrammatically illustrates the structure principle chart of refrigeration heat pipe composite air conditioner system according to an embodiment of the invention；
Fig. 3 diagrammatically illustrates the double compressor system of refrigeration heat pipe composite air conditioner system according to an embodiment of the invention
Structure chart；
Fig. 4 diagrammatically illustrates the backboard rack side view of refrigeration heat pipe composite air conditioner system according to an embodiment of the invention
Figure.
Reference in figure：1st, refrigeration cycle is compressed；2nd, heat pipe circulation loop；3rd, indoor evaporation circuit；4th, it is middle
Heat exchanger；5th, heat pipe cycle condenser；6th, liquid pump；7th, check valve；8th, stop valve；9th, the first evaporator；10th, the second evaporator；
11st, compressor；12nd, cycle condenser is compressed；13rd, choke valve.
Embodiment
Embodiments of the invention are described in detail below, but what the present invention can be defined by the claims and cover
Multitude of different ways is implemented.
Fig. 2 to 4 is refer to, according to an embodiment of the invention, refrigeration heat pipe composite air conditioner system includes separate pressure
Contracting refrigeration cycle 1, heat pipe circulation loop 2 and indoor evaporation circuit 3, compress refrigeration cycle 1 and heat pipe circulation loop 2
Respectively by forming heat exchange connection between Intermediate Heat Exchanger 4 and indoor evaporation circuit 3, and indoor evaporation circuit 3 is cooled.
The refrigeration heat pipe composite air conditioner system of the present invention, compression refrigeration cycle 1, heat pipe circulation loop 2 and indoor steaming
It is separate to beam back road 3, is independent of each other, is exchanged heat by Intermediate Heat Exchanger 4, can unrestricted choice cycle heat exchange as needed
Pattern, it can be realized in single air conditioning system and compress refrigeration individually heat exchange, the independent heat exchange of heat pipe Natural Circulation refrigeration and pressure
Contracting mechanism cold and heat pipe Natural Circulation refrigeration mixed heat transfer Three models, and do not need switching valve, it is only necessary to transformation apparatus chamber
External system can be achieved, and simple for structure, easy to operate, system is reliable and stable.
Intermediate Heat Exchanger 4 is plate type heat exchanger, and indoor evaporation circuit 3 forms third path on Intermediate Heat Exchanger 4, compression
Refrigeration cycle 1 forms the first path on Intermediate Heat Exchanger 4, and heat pipe circulation loop 2 forms second on Intermediate Heat Exchanger 4
Path, third path is between the first path and alternate path so that the distance between two refrigerating circuits and evaporation circuit
It is relatively near, heat pipe circulation loop 2 can be facilitated and compress heat transfer of the refrigeration cycle 1 in Intermediate Heat Exchanger 4, improved
The heat exchange efficiency of heat pipe circulation loop 2 and compression refrigeration cycle 1 and indoor evaporation circuit 3.
Heat pipe circulation loop 2 also includes heat pipe cycle condenser 5, liquid pump 6 and the check valve 7 in parallel with liquid pump 6, liquid pump 6
It is identical with the export direction of check valve 7.By setting liquid pump 6 and check valve 7 in parallel, Natural Circulation can be made there are two kinds of moulds
Formula, liquid pump pattern or gravity circulation pattern, under liquid pump pattern, refrigerant reverse flow is prevented using check valve 7；Gravity circulation mould
Under formula, refrigerant does not consider the state of liquid pump 6 by check valve 7.This setup can solve current liquid pump and easily occur
The problem of failure, heat pipe natural-circulation operation may insure by paralleling model, heat pipe will not also be caused by being gone wrong even if liquid pump 6
The operation of Natural Circulation, improve the stability of air-conditioning system work.
Preferably, the inlet and outlet of liquid pump 6 is detachably provided with stop valve 8, and stop valve 8 passes through demountable structure
Liquid pump 6 is connected, can closes stop valve when liquid pump 6 is faulty, prevents refrigerant from continuing towards liquid pump 6, so as to convenient
Liquid pump 6 is changed, improves and changes efficiency, reduces replacement cost.
Compressing refrigeration cycle 1 includes compressor 11, compression cycle condenser 12, choke valve 13 and control valve.Control
Valve can control whether compression refrigeration cycle 1 runs, so as to easily adjust refrigeration heat pipe composite air conditioner system position
In different working modes.
With reference to shown in referring to Fig. 3 and Fig. 4, compression refrigeration cycle 1, heat pipe circulation loop 2 and indoor evaporation circuit 3 are equal
For two sets, every suit compression refrigeration cycle 1, heat pipe circulation loop 2 and indoor evaporation circuit 3 are corresponded and set, and first
Covering indoor evaporation circuit 3 includes the first evaporator 9, and second set of indoor evaporation circuit 3 includes the second evaporator 10, along air flow
Direction, the first evaporator 9 are arranged on front side, and the second evaporator 10 is arranged on rear side.
The front and rear setting in rack of two evaporators, can be according to environment when refrigeration heat pipe composite air conditioner system works
The working method of kind of refrigeration cycle corresponding to two evaporators is adjusted temperature：So that kind of refrigeration cycle be in compressor mode or
Person's natural coldness resource utilizing pattern, or the mixed mode in both, so as to improve the annual efficiency of refrigeration system.
The compression heat exchange of cycle condenser 12 is connected with cooling system, and cooling system includes cooling tower and water pump.Cooling tower can
To be cooled down to compression cycle condenser 12, so as to improve the heat exchange efficiency of compression cycle condenser 12, and then improve
Heat exchange efficiency between evaporator and evaporative condenser 7, improve the work efficiency of air-conditioning system.
According to an embodiment of the invention, the control method of refrigeration heat pipe composite air conditioner system includes：Wide circumstance temperature band is divided into
Refrigeration area, recombination region and three, heat pipe area functional areas；Refrigeration heat pipe composite air conditioner system is switched to according to different functional areas
Kind of refrigeration cycle, combined-circulation and heat pipe circulation；When refrigeration heat pipe composite air conditioner system is kind of refrigeration cycle, control compression refrigeration is followed
Loop back path 1 works, and heat pipe circulation loop 2 is stopped；When refrigeration heat pipe composite air conditioner system is combined-circulation, control compression
Refrigeration cycle 1 and heat pipe circulation loop 2 work simultaneously；When refrigeration heat pipe composite air conditioner system is kind of refrigeration cycle, control
Compression refrigeration cycle 1 is stopped, and heat pipe circulation loop 2 works.
According to an embodiment of the invention, the control method of refrigeration heat pipe composite air conditioner system is employed shown in Fig. 3 and Fig. 4
Refrigeration heat pipe composite air conditioner system, the refrigeration heat pipe composite air conditioner system includes：Wide circumstance temperature band is divided into refrigeration area, recombination region
With three, heat pipe area functional areas；Refrigeration heat pipe composite air conditioner system is switched into kind of refrigeration cycle, compound according to different functional areas
Circulation and heat pipe circulation；When refrigeration heat pipe composite air conditioner system is compresses kind of refrigeration cycle, two compression kind of refrigeration cycle are controlled to return
Road 1 works, and two heat pipe circulation loops 2 are stopped；When refrigeration heat pipe composite air conditioner system is the first combined-circulation, control
Two compression refrigeration cycles 1 and two heat pipe circulation loops 2 work simultaneously；When refrigeration heat pipe composite air conditioner system is second
During combined-circulation, control a compression refrigeration cycle 1 and share Intermediate Heat Exchanger with the compression refrigeration cycle 1
Heat pipe circulation loop 2 works simultaneously；When refrigeration heat pipe composite air conditioner system is that triplex circulates, a compression refrigeration is controlled
Circulation loop 1 works simultaneously, and the heat pipe circulation loop 2 that control does not share Intermediate Heat Exchanger works simultaneously, does not share intermediate heat transfer
Evaporation circuit 3 in the corresponding first set room of heat pipe circulation loop 2 of device；When refrigeration heat pipe composite air conditioner system circulates for heat-pipe refrigerating
When, control two compression refrigeration cycles 1 to be stopped, two heat pipe circulation loops 2 work.
It by adjusting the mode of operation of refrigeration heat pipe composite air conditioner system, can be in refrigeration heat pipe composite air conditioner system
Optimal working condition, compressor loss is reduced, and improve refrigeration heat pipe composite air conditioner system work efficiency.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (8)
- A kind of 1. refrigeration heat pipe composite air conditioner system, it is characterised in that including separate compression refrigeration cycle (1), Heat pipe circulation loop (2) and indoor evaporation circuit (3), the compression refrigeration cycle (1) and heat pipe circulation loop (2) are respectively By forming heat exchange connection between Intermediate Heat Exchanger (4) and the indoor evaporation circuit (3), and to the indoor evaporation circuit (3) cool.
- 2. refrigeration heat pipe composite air conditioner system according to claim 1, it is characterised in that the Intermediate Heat Exchanger (4) is Plate type heat exchanger, the indoor evaporation circuit (3) form third path, the compression refrigeration on the Intermediate Heat Exchanger (4) Circulation loop (1) forms the first path on the Intermediate Heat Exchanger (4), and the heat pipe circulation loop (2) is changed in the centre Alternate path is formed on hot device (4), the third path is between first path and the alternate path.
- 3. refrigeration heat pipe composite air conditioner system according to claim 2, it is characterised in that the heat pipe circulation loop (2) Also include heat pipe cycle condenser (5), liquid pump (6) and the check valve (7) in parallel with the liquid pump (6), the liquid pump (6) and institute The export direction for stating check valve (7) is identical.
- 4. refrigeration heat pipe composite air conditioner system according to claim 3, it is characterised in that the import of the liquid pump (6) and Outlet is detachably provided with stop valve (8).
- 5. refrigeration heat pipe composite air conditioner system according to claim 1, it is characterised in that the compression refrigeration cycle (1) compressor (11), compression cycle condenser (12), choke valve (13) and control valve are included.
- 6. refrigeration heat pipe composite air conditioner system according to claim 1, it is characterised in that the compression refrigeration cycle (1), heat pipe circulation loop (2) and indoor evaporation circuit (3) are two sets, and refrigeration cycle (1), heat are compressed described in every suit Pipe circulation loop (2) and indoor evaporation circuit (3), which correspond, to be set, and indoor evaporation circuit (3) described in first set includes first Evaporator (9), second set of indoor evaporation circuit (3) include the second evaporator (10), along air-flow direction, described first Evaporator (9) is arranged on front side, and second evaporator (10) is arranged on rear side.
- A kind of 7. control method of refrigeration heat pipe composite air conditioner system, it is characterised in that including：Wide circumstance temperature band is divided into refrigeration area, recombination region and three, heat pipe area functional areas；Kind of refrigeration cycle, combined-circulation and heat pipe is switched to circulate refrigeration heat pipe composite air conditioner system according to different functional areas；When refrigeration heat pipe composite air conditioner system is kind of refrigeration cycle, control compression refrigeration cycle (1) work, heat pipe is recycled back to Road (2) is stopped；When refrigeration heat pipe composite air conditioner system is combined-circulation, control compression refrigeration cycle (1) and heat pipe circulation loop (2) work simultaneously；When refrigeration heat pipe composite air conditioner system is kind of refrigeration cycle, control compression refrigeration cycle (1) is stopped, and heat pipe follows Loop back path (2) works.
- 8. a kind of control method of refrigeration heat pipe composite air conditioner system, employs the refrigeration heat pipe compound air described in claim 6 Adjusting system, it is characterised in that including：Wide circumstance temperature band is divided into refrigeration area, recombination region and three, heat pipe area functional areas；Kind of refrigeration cycle, combined-circulation and heat pipe is switched to circulate refrigeration heat pipe composite air conditioner system according to different functional areas；When refrigeration heat pipe composite air conditioner system is compresses kind of refrigeration cycle, two compression refrigeration cycles (1) are controlled to work, two Individual heat pipe circulation loop (2) is stopped；When refrigeration heat pipe composite air conditioner system is the first combined-circulation, two compression refrigeration cycles (1) and two are controlled Heat pipe circulation loop (2) works simultaneously；When refrigeration heat pipe composite air conditioner system is the second combined-circulation, control one compression refrigeration cycle (1) and with The heat pipe circulation loop (2) that the compression refrigeration cycle (1) shares Intermediate Heat Exchanger works simultaneously；When refrigeration heat pipe composite air conditioner system is that triplex circulates, control compression refrigeration cycle (1) job same When, the heat pipe circulation loop (2) that control does not share Intermediate Heat Exchanger works simultaneously, and the heat pipe for not sharing Intermediate Heat Exchanger follows Indoor evaporation circuit (3) described in the corresponding first set of loop back path (2)；When refrigeration heat pipe composite air conditioner system is that heat-pipe refrigerating circulates, two compression refrigeration cycles (1) are controlled to stop work Make, two heat pipe circulation loop (2) work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610550383.9A CN107588490A (en) | 2016-07-08 | 2016-07-08 | Refrigeration heat pipe composite air conditioner system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610550383.9A CN107588490A (en) | 2016-07-08 | 2016-07-08 | Refrigeration heat pipe composite air conditioner system and its control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111219813A (en) * | 2018-11-23 | 2020-06-02 | 浙江盾安机电科技有限公司 | Heat pipe back plate air conditioning unit |
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Application publication date: 20180116 |