CN204593940U - A kind of Stirling cycle and the direct-coupled refrigeration machine of Vapor Compression Refrigeration Cycle - Google Patents
A kind of Stirling cycle and the direct-coupled refrigeration machine of Vapor Compression Refrigeration Cycle Download PDFInfo
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- CN204593940U CN204593940U CN201520132105.2U CN201520132105U CN204593940U CN 204593940 U CN204593940 U CN 204593940U CN 201520132105 U CN201520132105 U CN 201520132105U CN 204593940 U CN204593940 U CN 204593940U
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- condenser
- vapor compression
- evaporator
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- 238000007906 compression Methods 0.000 title claims abstract description 52
- 230000006835 compression Effects 0.000 title claims abstract description 51
- 238000005057 refrigeration Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000001816 cooling Methods 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 6
- 239000002826 coolant Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000002631 hypothermal effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a kind of Stirling cycle and the direct-coupled refrigeration machine of Vapor Compression Refrigeration Cycle.It comprises sterlin refrigerator and vapor compression refrigerator.Wherein sterlin refrigerator comprises compression piston, compression chamber, condenser/evaporator, regenerator, cool end heat exchanger, expansion chamber, pushing piston, and vapor compression refrigerator comprises compressor, condenser, choke valve, condenser/evaporator.In condenser/evaporator, cold fluid is the working medium of Vapor Compression Refrigeration Cycle, and hot fluid is the working medium of Stirling cycle, and the two is by the wall heat-shift of heat exchanger.The utility model uses Vapor Compression Refrigeration Cycle working medium directly to cool the working medium of Stirling cycle, compared with the method adopting refrigerating medium to cool, greatly can reduce the mean temperature of working medium in condenser/evaporator, promotes the performance of Stirling cycle.Meanwhile, this invention simplifies heat exchange process, decreases the attached current consuming apparatus of condenser/evaporator, and the refrigerating efficiency of whole system is improved.
Description
Technical field
The utility model relates to regenerating type low-temperature refrigerator, particularly relates to a kind of Stirling cycle and the direct-coupled refrigeration machine of Vapor Compression Refrigeration Cycle.
Technical background
The application of high temperature superconductor technology and small-sized low-temperature liquefaction device greatly facilitates the fast development of high-power Cryo Refrigerator.Sterlin refrigerator has the features such as efficiency is high, cooldown rate is fast, refrigeration temperature levels is wide, and its technology relative maturity, cost are lower, is hundred, the first-selected type of multikilowatt refrigerating plant.
Sterlin refrigerator application Stirling cycle obtains refrigerating capacity, and Stirling cycle holds by isotherm compression, isothermal expansion and two etc. the enclosed thermodynamic cycle that heat recovery process forms.The heat of compression that isotherm compression produces is taken away by refrigerating medium in indoor temperature end heat exchanger, and the general water that adopts is as refrigerating medium.In High cooling power refrigeration machine, the heat of compression is comparatively large, and because cooling water specific heat capacity is limited, causing water cooler to import and export water temperature has the larger temperature difference, and namely average temperature is higher than inflow temperature.Experiment and theory all prove, coolant water temperature rising can cause regenerator hot-side temperature to raise, and causes refrigeration machine hydraulic performance decline.Reducing cooling water temperature so take measures is very important for refrigeration machine performance boost.
Usual employing handpiece Water Chilling Units cools sterlin refrigerator hot junction.Sterlin refrigerator water cooler, water tank, pump and pipeline form circulation waterway, the cooling Stirling cycle heat of compression.Water tank, compression refrigerating machine, pump and pipeline form circulation waterway, cooling water tank heat.Sterlin refrigerator and auxiliary device thereof are considered as a whole, Overall Power Consumption comprises water tank refrigeration machine and pipeline wasted work, reduces the refrigerating efficiency that this place's power consumption effectively can improve sterlin refrigerator system.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of Stirling cycle and the direct-coupled refrigeration machine of Vapor Compression Refrigeration Cycle.
The purpose of this utility model is achieved through the following technical solutions:
Stirling cycle and the direct-coupled refrigeration machine of Vapor Compression Refrigeration Cycle comprise sterlin refrigerator and vapor compression refrigerator, sterlin refrigerator comprises the compression piston, compression chamber, condenser/evaporator, regenerator, cool end heat exchanger, expansion chamber, the pushing piston that connect in turn, and vapor compression refrigerator comprises the compressor, condenser, choke valve, the condenser/evaporator that connect in turn.
Described condenser/evaporator adopts dividing wall type heat exchanger structure.
The compound profound hypothermia refrigeration machine that the utility model proposes, uses the phase-change heat-exchange of Vapor Compression Refrigeration Cycle working medium B directly to cool the compression heat of Stirling cycle.Compared with conventional handpiece Water Chilling Units cooling means: 1. Vapor Compression Refrigeration Cycle working medium B(cooling medium) latent heat be greater than specific heat of water and hold, then cool the heat of compression of equivalent and cooling medium inlet temperature is consistent time, in the utility model, in condenser/evaporator, cooling medium mean temperature is lower, regenerator hot-side temperature is lower, refrigerating performance enhances; 2. simplify the heat transfer process of Vapor Compression Refrigeration Cycle working medium and cooling water, cooling water and Stirling cycle working medium, avoid the leakage heat of heat transfer process and the water tank relating to cooling water itself, so the wasted work of compressor reduces when cooling the equal heat of compression, the refrigerating efficiency of whole system improves; 3. simplify the auxiliary device of refrigeration machine condenser/evaporator (indoor temperature end heat exchanger), avoid waterway circulating, owing to eliminating the power consumption of water pump, so the wasted work of compressor reduces when cooling the equal heat of compression, the refrigerating efficiency of whole system improves.
Accompanying drawing explanation
Fig. 1 is the structural representation of the direct-coupled refrigeration machine of Stirling cycle and Vapor Compression Refrigeration Cycle.
Detailed description of the invention
As shown in Figure 1, Stirling cycle and the direct-coupled refrigeration machine of Vapor Compression Refrigeration Cycle comprise sterlin refrigerator and vapor compression refrigerator, sterlin refrigerator comprises the compression piston 1, compression chamber 2, condenser/evaporator 3, regenerator 4, cool end heat exchanger 5, expansion chamber 6, the pushing piston 7 that connect in turn, and vapor compression refrigerator comprises the compressor 8, condenser 9, choke valve 10, the condenser/evaporator 3 that connect in turn.
Described condenser/evaporator 3 adopts dividing wall type heat exchanger structure.Refrigeration machine driver element can adopt electric rotating machine and toggle.
The refrigerating method that Stirling cycle and the direct-coupled refrigeration machine of Vapor Compression Refrigeration Cycle use is: compression piston 1 moves, Stirling cycle working medium A in compression chamber 2 is compressed, energy raises, flow into condenser/evaporator 3, discharge the heat of compression to Vapor Compression Refrigeration Cycle working medium B, realize the isotherm compression process of working medium A; Working medium B enters compressor 8 after absorbing heat in condenser/evaporator 3 and evaporating, condenser 9 is entered after being pressurized intensification, choke valve 10 is entered after Environmental cold source exothermic condensation, pressure drop, the liquid refrigerant B of low-temp low-pressure enters condenser/evaporator 3 heat absorption evaporation again, forms Vapor Compression Refrigeration Cycle loop.Working medium A after the release heat of compression enters regenerator 4, and transfer heat to filler, temperature streamwise reduces gradually, and realization etc. puts thermal process; Pushing piston 7 moves, and the working medium A in expansion chamber 6 expands, and energy reduces, and by cool end heat exchanger 5 from low-temperature receiver heat absorption, obtains refrigerating capacity, realizes the isothermal expansion process of working medium A; Working medium A reverse flow, enters regenerator 4, and from filler heat absorption, temperature streamwise raises gradually, realizes waiting holding endothermic process.The reciprocal flowing of working medium A forms Stirling cycle loop; In condenser/evaporator 3, cold fluid is Vapor Compression Refrigeration Cycle working medium B, and hot fluid is Stirling cycle working medium A, and two fluids carries out heat exchange by heat exchange wall, the compression heat that the direct cooling working medium A of phase transformation applying working medium B discharges in Stirling cycle.Stirling cycle working medium A generally uses high-pressure helium, hydrogen or nitrogen, and Vapor Compression Refrigeration Cycle working medium B generally uses the air-conditioning refrigerants such as freon.
Claims (2)
1. a Stirling cycle and the direct-coupled refrigeration machine of Vapor Compression Refrigeration Cycle, it is characterized in that comprising sterlin refrigerator and vapor compression refrigerator, sterlin refrigerator comprises the compression piston (1), compression chamber (2), condenser/evaporator (3), regenerator (4), cool end heat exchanger (5), expansion chamber (6), the pushing piston (7) that connect in turn, and vapor compression refrigerator comprises the compressor (8), condenser (9), choke valve (10), the condenser/evaporator (3) that connect in turn.
2. a kind of Stirling cycle according to claim 1 and the direct-coupled refrigeration machine of Vapor Compression Refrigeration Cycle, is characterized in that: described condenser/evaporator (3) adopts dividing wall type heat exchanger structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520132105.2U CN204593940U (en) | 2015-03-09 | 2015-03-09 | A kind of Stirling cycle and the direct-coupled refrigeration machine of Vapor Compression Refrigeration Cycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520132105.2U CN204593940U (en) | 2015-03-09 | 2015-03-09 | A kind of Stirling cycle and the direct-coupled refrigeration machine of Vapor Compression Refrigeration Cycle |
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| Publication Number | Publication Date |
|---|---|
| CN204593940U true CN204593940U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520132105.2U Expired - Fee Related CN204593940U (en) | 2015-03-09 | 2015-03-09 | A kind of Stirling cycle and the direct-coupled refrigeration machine of Vapor Compression Refrigeration Cycle |
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| CN (1) | CN204593940U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913541A (en) * | 2015-03-09 | 2015-09-16 | 浙江大学 | Stirling cycle and steam compression refrigeration cycle directly-coupled refrigerating machine and method |
| CN106225258A (en) * | 2016-08-26 | 2016-12-14 | 广东工业大学 | A kind of integrated system of solar thermal utilization |
| CN106766540A (en) * | 2017-03-31 | 2017-05-31 | 宁波华斯特林电机制造有限公司 | A kind of multi gear ice chest |
-
2015
- 2015-03-09 CN CN201520132105.2U patent/CN204593940U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913541A (en) * | 2015-03-09 | 2015-09-16 | 浙江大学 | Stirling cycle and steam compression refrigeration cycle directly-coupled refrigerating machine and method |
| CN104913541B (en) * | 2015-03-09 | 2017-07-28 | 浙江大学 | Stirling cycle and the direct-coupled refrigeration machine of Vapor Compression Refrigeration Cycle and method |
| CN106225258A (en) * | 2016-08-26 | 2016-12-14 | 广东工业大学 | A kind of integrated system of solar thermal utilization |
| CN106225258B (en) * | 2016-08-26 | 2018-08-28 | 广东工业大学 | A kind of integrated system of solar thermal utilization |
| CN106766540A (en) * | 2017-03-31 | 2017-05-31 | 宁波华斯特林电机制造有限公司 | A kind of multi gear ice chest |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20200309 |