CN201407858Y - Jet automobile refrigeration equipment - Google Patents
Jet automobile refrigeration equipment Download PDFInfo
- Publication number
- CN201407858Y CN201407858Y CN2009200333589U CN200920033358U CN201407858Y CN 201407858 Y CN201407858 Y CN 201407858Y CN 2009200333589 U CN2009200333589 U CN 2009200333589U CN 200920033358 U CN200920033358 U CN 200920033358U CN 201407858 Y CN201407858 Y CN 201407858Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses jet automobile refrigeration equipment, which comprises a steam generator, a condenser and an evaporator. The utility model is characterized in that: the inlet of the steamgenerator is connected with the outlet of a gas-liquid ejector; the outlet of the steam generator is connected with the working steam inlet of a gas-gas ejector and the working steam inlet of the gas-liquid ejector; the outlet of the gas-gas ejector is connected with the inlet of the condenser; on one side, the outlet of the condenser is connected with the inlet of the evaporator through a pipeline and a throttling valve, and on the other side, the outlet of the condenser is connected with the liquid inlet of the gas-liquid ejector through the pipeline; the outlet of the evaporator is connected with the refrigerant steam inlet of the gas-gas ejector to form a closed system; and the filled refrigerant in the system is R600a. The utility model has no need of consuming electrical energy, andcannot use the refrigerant harmful for the atmospheric environment, not only can achieve the aim of automobile air conditioning, but also can reduce the heat extraction temperature of the engine cooling system, and is in accordance with the aims of saving energy, protecting environment and building a conservation-minded society.
Description
Technical field
It is power-actuated that the utility model relates to a kind of automobile cooling system used heat that utilizes, and is the injecting type automobile refrigerating device of working medium with R600a.
Background technology
It is the steam compression type circulation of cold-producing medium with R22 or R134a that the present prevailing mode of motorcar air conditioner is still power-actuated, and this mode has not only increased the load of engine, and has increased the thermal pollution of automobile to environment.
As everyone knows, the service efficiency of automobile engine is about 35%～40% only generally, accounts for the energy of heat output of fuel more than 1/2 and is used as waste heat and arranges to environment.The waste heat of engine comprises heat and exhaust heat two parts that recirculated cooling water is taken away, the characteristics of exhaust heat are the temperature height, but capacity is little, available exhaust heat accounts for more than 20% of heat output of fuel, and the outlet temperature of automobile engine recirculated cooling water is approximately 75～90 ℃, and the heat of being taken away accounts for 30% of heat output of fuel.Because the amount of stored heat of cooling water is more much bigger than the amount of stored heat of exhaust, the heat in the time of can satisfying parking of automobile or idling is supplied with, so, utilize the waste heat of automobile engine recirculated cooling water to realize that to consume heat energy be that the air conditioning for automobiles of power has wide prospect.
Summary of the invention
The utility model has increased engine loading at existing motorcar air conditioner and heat extraction is polluted, defectives such as power consumption is big, providing a kind of is power with car engine cooling system used heat, based on spray type refrigerating, be the automotive air conditioning device of working medium with R600a, can effectively utilize engine cool used heat, reduce cooling water heat extraction temperature, consumed power not for big, mini-bus automobile summer air-conditioning, heat supply in winter provide comfortable environment inside car, has the characteristics of environmental protection simultaneously fully.
For reaching above purpose, the utility model takes following technical scheme to be achieved:
A kind of injecting type automobile refrigerating device, comprise steam generator, condenser and evaporimeter, it is characterized in that, the import of described steam generator connects the outlet of gas-liquid ejector, and the outlet of steam generator connects the working steam inlet of gas-gas jet device and the working steam inlet of gas-liquid ejector; The outlet of described gas-gas jet device connects the inlet of condenser, and the outlet of condenser is connected with the inlet of evaporimeter by pipeline, choke valve on the one hand, is connected with the liquid inlet of gas-liquid ejector by pipeline on the other hand; The outlet of described evaporimeter connects the refrigerant vapour inlet of gas-gas jet device, constitutes a closed system.
In the such scheme, the outlet of described steam gas generator connects the gas-vapour inlet of gas jet device and the vapour inlet of gas-liquid ejector by an auxiliary heater.Auxiliary heater is one group of telescopic fin tube heat exchanger.
The steam nozzle of described gas-gas jet device is the gradually-reducing-expanding type jet pipe; The steam nozzle of described gas-liquid ejector is the shrinkage type jet pipe.Adopt R600a working medium in the described closed system.
Working medium in the steam generator and automobile engine cooling waste water carry out the HTHP working steam that exchange heat produces, and a part enters gas-gas jet device, and another part enters gas-liquid ejector.The working steam that enters gas-gas jet device carries out adiabatic expansion by the gradually-reducing-expanding type steam nozzle, form one low pressure, high velocity air, thereby the refrigerant vapour of shwoot in the evaporimeter is drawn in the injector, fully mix with it at mixing chamber, in diffuser after the supercharging, enter condenser, the medium that is cooled is condensed into liquid.Part condensate liquid is as cold-producing medium, and through entering evaporimeter after the choke valve step-down, endothermic gasification produces refrigeration effect in evaporimeter; Another part condensate liquid enters its injector mixing chamber under the swabbing action of gas-liquid ejector, carry out condensation by mixing with working steam from the gradual shrinkage steam nozzle, mixing material after condensing is in the indoor adiabatic compression of passing through of diffusion, pressure turns back to steam generator after improving, carry out exchange heat with engine cool waste water once more, produce working steam, enter next circulation.
The beneficial effects of the utility model are:
1, replaces compressor with gas-gas jet device; with car engine cooling system used heat is power-actuated novel automobile air-conditioner device; compare with traditional automotive air-conditioning system, simple in structure, moving component is few; anti-seismic performance is good; noise is low, and can alleviate the load of automobile engine widely, increases the utilization rate of fuel; reduce engine-cooling system environment heat extraction towards periphery temperature, the protection atmospheric environment.
2, replace circulating pump with gas-liquid ejector, compare, fully consumed power not with traditional vapour injection formula refrigeration.
3, gas-gas jet device is selected the gradually-reducing-expanding type steam nozzle for use, and gas-liquid ejector is selected the shrinkage type steam nozzle for use, helps improving the mass ratio of induced-to-inducing air of injector, increases the economy of spray type refrigerating circulation.
4, based on the novel automobile air-conditioner device of spray type refrigerating, select under the normal temperature that boiling point is lower for use, evaporating pressure than higher, thermal performance is good, the R600a working medium of no environment public hazards, compare with traditional steam-jet refrigerating system, do not need to be provided with vacuum extractor in the system, simple in structure, the wasted work amount is few, and coefficient of performance height helps the application of low grade heat energy.
Description of drawings
Fig. 1 is the pipeline structure schematic diagram of the utility model automotive air conditioning device.
Fig. 2 is the gas-gas jet device structure chart among Fig. 1.
Fig. 3 is the gas-liquid ejector structure chart among Fig. 1.
At Fig. 1 in Fig. 3,1. steam generator; 2. gas-gas jet device; 3. condenser; 4. evaporimeter; 5. choke valve; 6. gas-liquid ejector; The 7-auxiliary heater; 8. gradually-reducing-expanding type steam nozzle; 9. working steam enters the mouth; 10. refrigerant vapour enters the mouth; 11. gas-gas jet device suction chamber; 12. gas-gas jet device mixing chamber; 13. gas-gas jet device diffusion chamber; 14. shrinkage type steam nozzle; 15. refrigerant liquid inlet; 16. gas-liquid ejector suction chamber; 17. gas-liquid ejector mixing chamber; 18. gas-liquid ejector diffusion chamber.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 to Figure 3, a kind of injecting type automobile refrigerating of the utility model device, form by steam generator 1, gas-gas jet device 2, condenser 3, evaporimeter 4, choke valve 5, gas-liquid ejector 6 and auxiliary heater 7 etc., and connect into a closed system by pipeline, fill R600a working medium in the system.
From the liquid refrigerant of gas-liquid ejector 6, in steam generator 1, cool off used heat Q with automobile engine
RCarry out exchange heat and produce the HTHP working steam, a part of working steam enters gas-gas jet device 2 by auxiliary heater 7, and another part enters gas-liquid ejector 6.The working steam that enters gas-gas jet device 2 carries out adiabatic expansion by gradually-reducing-expanding type steam nozzle 8, form one low pressure, high velocity air, thereby the low-temperature low-pressure refrigerant steam of shwoot in the evaporimeter 4 is drawn in gas-gas jet device suction chamber 11, fully mix with it at mixing chamber 12, in diffusion chamber 13 after the supercharging, enter condenser 3, the medium that is cooled is condensed into liquid, emits heat Q
KPart condensed fluid is as cold-producing medium, and through entering evaporimeter 4 after choke valve 5 step-downs, Q absorbs heat in evaporimeter 4
OGasification produces refrigeration effect; Another part condensed fluid enters gas-liquid ejector suction chamber 16 under the swabbing action of gas-liquid ejector 6, in mixing chamber 17 with from the working steam of shrinkage type steam nozzle 14, carry out condensation by mixing, mixing material after condensing passes through adiabatic compression in diffusion chamber 18, the pressure raising turns back to steam generator 1, carry out exchange heat with engine cool waste water once more, produce working steam, enter next circulation.
Steam generator 1 is one group of screw-casing tubular type heat exchanger, is arranged near the suitable position of car radiator, and radiator recirculated cooling water and R600a liquid are reverse flow in sleeve pipe, carry out the heat transmission by tube wall.Auxiliary heater 7 is one group of telescopic fin tube heat exchanger, is arranged on automobile engine nacelle inner vapor generator 1 outlet section, and the R600a steam flows in pipe, by tube wall and fin and in sleeve mobile engine high-temperature exhaust air carry out exchange heat.Gas-gas jet device 2 is arranged on automobile top, links with steam generator 1, auxiliary heater 7, evaporimeter 4, condenser 3 respectively by pipeline.Gas-liquid ejector 6 also is arranged on automobile top, is connected into closed system with auxiliary heater 7, condenser 3, steam generator 1 respectively by pipeline, and gas-liquid ejector 6 is the energy-saving devices that are used for replacing the circulating pump of traditional spray type refrigerating system.
Condenser 3 is the fin tube type air cooled condenser, is arranged on automobile top, is convenient to the advantage of dispelling the heat when utilizing high vehicle speeds, cooling blower need be set, and therefore, has simple in structure, not consumed power, advantage that cost of manufacture is low.
Evaporimeter 4 adopts traditional used for automobile air conditioning fin tube type dividing wall type heat exchanger, is arranged on automobile top and connects mutually with the air-conditioning air supply duct.
Choke valve 5 adopts traditional used for automobile air conditioning heating power expansion valve.
The utility model is a power with car engine cooling system used heat, based on spray type refrigerating, method by bypass line change flow of refrigerant direction reaches and send cold wind summer, send the purpose of hot blast winter, for passenger car provides a kind of practicality, comfortable air conditioner surroundings, and do not need consumed power fully, and both reached the purpose of air conditioning for automobiles, reduced engine-cooling system heat extraction temperature again, meet energy-conserving and environment-protective, the aim of building a conservation-minded society.
Claims (5)
1, a kind of injecting type automobile refrigerating device, comprise steam generator, condenser and evaporimeter, it is characterized in that, the import of described steam generator connects the outlet of gas-liquid ejector, and the outlet of steam generator connects the working steam inlet of gas-gas jet device and the working steam inlet of gas-liquid ejector; The outlet of described gas-gas jet device connects the inlet of condenser, and the outlet of condenser is connected with the inlet of evaporimeter by pipeline, choke valve on the one hand, is connected with the liquid inlet of gas-liquid ejector by pipeline on the other hand; The outlet of described evaporimeter connects the refrigerant vapour inlet of gas-gas jet device, constitutes a closed system.
2, injecting type automobile refrigerating device as claimed in claim 1 is characterized in that, the outlet of described steam generator connects the working steam inlet of gas-gas jet device and the working steam inlet of gas-liquid ejector by an auxiliary heater.
3, injecting type automobile refrigerating device as claimed in claim 2 is characterized in that, described auxiliary heater is one group of telescopic fin tube heat exchanger.
4, injecting type automobile refrigerating device as claimed in claim 1 is characterized in that, the steam nozzle of described gas-gas jet device is the gradually-reducing-expanding type jet pipe; The steam nozzle of described gas-liquid ejector is the shrinkage type jet pipe.
5, injecting type automobile refrigerating device as claimed in claim 1 is characterized in that, adopts R600a working medium in the described closed system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200333589U CN201407858Y (en) | 2009-06-01 | 2009-06-01 | Jet automobile refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200333589U CN201407858Y (en) | 2009-06-01 | 2009-06-01 | Jet automobile refrigeration equipment |
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| Publication Number | Publication Date |
|---|---|
| CN201407858Y true CN201407858Y (en) | 2010-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200333589U Expired - Fee Related CN201407858Y (en) | 2009-06-01 | 2009-06-01 | Jet automobile refrigeration equipment |
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| Country | Link |
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| CN (1) | CN201407858Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818965A (en) * | 2010-04-27 | 2010-09-01 | 大连理工大学 | Double-jet refrigerating system |
| CN103528263A (en) * | 2013-10-21 | 2014-01-22 | 浙江大学宁波理工学院 | Injection type refrigerating machine with middle heat exchanging part |
| CN103994599A (en) * | 2014-05-29 | 2014-08-20 | 中国矿业大学 | Transcritical injection refrigeration system based on gas-liquid injection pump |
| CN108317771A (en) * | 2018-02-09 | 2018-07-24 | 中国建筑西北设计研究院有限公司 | Solar-energy jet-type water chiller-heater unit and its application method |
-
2009
- 2009-06-01 CN CN2009200333589U patent/CN201407858Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818965A (en) * | 2010-04-27 | 2010-09-01 | 大连理工大学 | Double-jet refrigerating system |
| CN103528263A (en) * | 2013-10-21 | 2014-01-22 | 浙江大学宁波理工学院 | Injection type refrigerating machine with middle heat exchanging part |
| CN103528263B (en) * | 2013-10-21 | 2015-09-30 | 浙江大学宁波理工学院 | A kind of ejector type refrigerating machine with intermediate heat exchange member |
| CN103994599A (en) * | 2014-05-29 | 2014-08-20 | 中国矿业大学 | Transcritical injection refrigeration system based on gas-liquid injection pump |
| CN108317771A (en) * | 2018-02-09 | 2018-07-24 | 中国建筑西北设计研究院有限公司 | Solar-energy jet-type water chiller-heater unit and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20110601 |