CN204109738U - A kind of air conditioning system for vehicle utilizing CNG storage tank pressure energy - Google Patents
A kind of air conditioning system for vehicle utilizing CNG storage tank pressure energy Download PDFInfo
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- CN204109738U CN204109738U CN201420606859.2U CN201420606859U CN204109738U CN 204109738 U CN204109738 U CN 204109738U CN 201420606859 U CN201420606859 U CN 201420606859U CN 204109738 U CN204109738 U CN 204109738U
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Abstract
The utility model provides a kind of air conditioning system for vehicle utilizing CNG storage tank pressure energy, comprises the storage tank for storing compression natural gas, also comprises vortex tube, First Heat Exchanger, water tank and automobile heat-exchange system; Described water tank, First Heat Exchanger and automobile heat-exchange system form loop; Described vortex tube comprises admission port and the first gas vent; Storage tank is communicated with admission port by pipeline, and the first gas outlet is communicated with pipeline; Described First Heat Exchanger and the tube contacts be communicated with at the first gas outlet.The utility model proposes a kind of air conditioning system for vehicle utilizing CNG storage tank pressure energy, ask refrigeration by utilizing the air conditioning for automobiles that achieves of CNG storage tank pressure energy or heat object.
Description
Technical field
The utility model relates to a kind of automotive air-conditioning system, is specifically related to a kind of air conditioning system for vehicle recycling CNG storage tank pressure energy.
Background technology
Automobile be one fast, the vehicle easily, contact more and more tightr with the life of people.Automotive air-conditioning system is then the environment inside car of Creating Comfort under hot or cold environment, but in use also can cause negative impact because of refrigrant leakage.At present, it is the vapor-compression refrigerant cycle of refrigerant that air conditioning for automobiles mainly adopts with R134a, and compressor, by driving engine connecting shaft system drive, so not only consumes the power of automotive engine, and easily causes the leakage of refrigerant.The main component of compression natural gas (Compressed Natural Gas, CNG) is methane, is natural fuels pressurization and stores in a gaseous form in a reservoir.CNG automobile is using the automobile of about 25MPa compression natural gas as propulsion source, is mainly used in city bus and taxicar at present, and CNG, as a kind of desirable vehicle alternative fuel, has boundless application market.The CNG storage tank of 25MPa needs step-down process in application process, if this part pressure can not get effective utilization, will certainly waste a large amount of pressure energies, cause huge economic loss.
If the pressure energy of automobile CNG storage tank can be reclaimed, refrigeration effect in conjunction with vortex tube is applied to automotive air-conditioning system, then without the need to being equipped with independent compression automobile air conditioning refrigerating system, both reducing the energy consumption of air conditioning for automobiles, turn avoid the environmental pollution because refrigrant leakage causes.
In patent CN201110089572.8, disclose a kind of automotive air-conditioning system utilizing cold energy of liquefied natural gas, this system comprises: liquefied natural gas system, ethylene glycol solution system and automobile engine cooling water system, adopt ethylene glycol solution as secondary refrigerant, in ethylene glycol spray tank, adopt liquefied natural gas upwards to be sprayed into by bottom contact boiling heat transfer form with ethylene glycol solution from the direct of top Jet with downward flow direction, the temperature between realizing air conditioning for automobiles regulates.Its shortcoming is that system is too complicated; Natural fuels directly contacts with ethylene glycol, adds gas-liquid separation link, affects natural fuels purity; There is ethylene glycol and leak hidden danger; Power consumption link is more, and over-the-road expense is high.The application of current employing liquefied natural gas (LNG) tank vehicles air conditioning room temperature is more, and the application of CNG storage tank vehicles air conditioning room temperature is less.
Utility model content
The utility model proposes a kind of air conditioning system for vehicle utilizing CNG storage tank pressure energy, by utilizing achieving between air conditioning for automobiles refrigeration or heating object of CNG storage tank pressure energy.
The utility model provides following technical scheme:
Utilize an air conditioning system for vehicle for CNG storage tank pressure energy, comprise the storage tank for storing compression natural gas, its special character is: also comprise vortex tube, First Heat Exchanger, water tank and automobile heat-exchange system;
Described water tank, First Heat Exchanger and automobile heat-exchange system form loop;
Described vortex tube comprises admission port and the first gas vent;
Storage tank is communicated with admission port by pipeline, and the first gas outlet is communicated with pipeline;
Described First Heat Exchanger and the tube contacts be communicated with at the first gas outlet.
Being communicated with at the pipeline of the first gas outlet is snake pipe, and described First Heat Exchanger is coil heat exchanger.
Above-mentioned air conditioning system for vehicle also comprises driving engine, and driving engine comprises cylinder, is communicated with and is communicated with cylinder at the pipeline of the first gas outlet.
Above-mentioned water tank comprises water inlet and water outlet, and First Heat Exchanger comprises the first import and the first outlet, and automobile heat-exchange system comprises heat exchange import and heat exchange outlet; Water outlet is by pipeline and the first inlet communication, and the first outlet is by pipeline and heat exchange inlet communication, and heat exchange outlet is communicated with water inlet.
Above-mentioned air conditioning system for vehicle also comprises the second heat exchanger, and water tank, the second heat exchanger and automobile heat-exchange system form loop;
Described vortex tube also comprises the second gas vent, and the second gas outlet is communicated with pipeline;
Described second heat exchanger and the tube contacts be communicated with at the second gas outlet.
Being communicated with at the pipeline of the second gas outlet is snake pipe, and described second heat exchanger is coil heat exchanger.
Be communicated with and be communicated with described cylinder at the pipeline of the second gas outlet.
Above-mentioned second heat exchanger comprises the second import and the second outlet, and described water outlet is by pipeline and the second inlet communication, and the second outlet is by pipeline and described heat exchange inlet communication, and described heat exchange outlet is communicated with described water inlet.
Above-mentioned storage tank is provided with safety valve, and cylinder and the pipeline between the first gas vent and the second gas vent are provided with blowdown valve, and automobile heat-exchange system is plate wing heat-exchange system.
The utility model has following technique effect:
(1) the utility model makes full use of CNG storage tank pressure energy, make use of the refrigeration effect of vortex tube, effectively reclaim the pressure energy of CNG storage tank, this part pressure energy is converted into cold energy and heat energy by vortex tube, in conjunction with First Heat Exchanger, the second heat exchanger and automobile heat-exchange system, the effective temperature control between air conditioning for automobiles can be realized, realize freezing between air conditioning for automobiles and heating bidirectional modulation, meet the needs of Various Seasonal.Improve energy utilization rate, and there is feature safely and efficiently;
(2) the utility model utilizes vortex tube refrigeration effect, realizes cold and hot shunting, and structure is simple, and no-rotary part, does not need additionally to provide engine installation;
(3) the utility model adopts coil heat exchanger and plate wing heat-exchange system as heat-exchanger rig, and safety is good and heat exchange efficiency is high;
(4) the utility model flexible adjustment, reliable operation, easily start, operation and easy to maintenance, over-the-road expense is low;
(5) the utility model refrigeration working medium is by water pump and water tank recycle, consumption of current is little, not only can avoid the waste of CNG storage tank pressure energy, the leakage problem of refrigeration working medium in conventional refrigeration can also be solved, improve the comprehensive utilization ratio of the energy to a great extent, to be becoming tight Energy situation day and the today of the type society that advocates thriftiness has very important significance;
(6) pressure energy discharged in compression natural gas use procedure is used, energy utilization rate can be improved, drive refrigeration industry development, meet the fundamental state policy of national energy-saving environmental protection, utilize vortex tube refrigeration effect, realizing regulating the temperature between air conditioning for automobiles, by expanding the application prospect of CNG automobile, being conducive to the development of CNG automobile industry.
Accompanying drawing explanation
Fig. 1 is system flow schematic diagram of the present utility model.
In figure: 1. storage tank; 2. safety valve; 3. control cock; 4. vortex tube; 5. First Heat Exchanger; 6. the second heat exchanger; 7. switch; 8. water pump; 9. water tank; 10. threeway; 11. blowdown valves; 12. driving engines; 13. automobile heat-exchange systems.
Detailed description of the invention
As shown in Figure 1, the utility model provides a kind of air conditioning system for vehicle utilizing CNG storage tank pressure energy, comprises the storage tank for storing compression natural gas, also comprises vortex tube, First Heat Exchanger, water tank and automobile heat-exchange system; Water tank, First Heat Exchanger and automobile heat-exchange system 13 form loop; Vortex tube comprises admission port and the first gas vent; Storage tank is communicated with admission port by pipeline, and the first gas outlet is communicated with pipeline; First Heat Exchanger and the tube contacts be communicated with at the first gas outlet.
In order to make the utility model freeze, can heat again, air conditioning system for vehicle also comprises the second heat exchanger, and water tank, the second heat exchanger and automobile heat-exchange system form loop; Vortex tube also comprises the second gas vent, and the second gas outlet is communicated with pipeline; Second heat exchanger and the tube contacts be communicated with at the second gas outlet.
In order to realize good cold and hot exchange, be communicated with the first gas outlet pipeline and/or be communicated be snake pipe at the pipeline of the second gas outlet, First Heat Exchanger is that coil heat exchanger and/or the second heat exchanger are coil heat exchanger.
Vortex tube comprises cold air outlet and heat outlet, and the first gas vent and the second gas vent cold air outlet, another is heat outlet, and therefore the utility model can freeze, and can heat again.
Air conditioning system for vehicle also comprises driving engine, and driving engine comprises cylinder, is communicated with and is all communicated with cylinder with the pipeline be communicated with at the second gas outlet at the pipeline of the first gas outlet, make use of CNG storage tank pressure energy further.
Water tank comprises water inlet and water outlet; The connection in the loop that water tank, First Heat Exchanger and automobile heat-exchange system are formed can be carried out in the following manner: First Heat Exchanger comprises the first import and the first outlet, and automobile heat-exchange system comprises heat exchange import and heat exchange outlet; Water outlet is by pipeline and the first inlet communication, and the first outlet is by pipeline and heat exchange inlet communication, and heat exchange outlet is communicated with water inlet; The connection in the loop that water tank, the second heat exchanger and automobile heat-exchange system are formed can be carried out in the following manner: the second heat exchanger comprises the second import and the second outlet, water outlet is by pipeline and the second inlet communication, second outlet is by pipeline and described heat exchange inlet communication, and heat exchange outlet is communicated with water inlet.
Storage tank is provided with safety valve, and cylinder and the pipeline between the first gas vent and the second gas vent are provided with blowdown valve, and automobile heat-exchange system is plate wing heat-exchange system.
Below in conjunction with Fig. 1, content of the present utility model is described in further detail.
If the first gas vent is cold air outlet, the second gas vent is heat outlet; It is that the natural fuels of 25MPa is connected with vortex tube 4 by pipeline that storage tank 1 contains pressure, safety valve 2 and control cock 3 are installed in storage tank 1 exit, natural fuels can form cold flow and hot-fluid by vortex tube 4, cold flow reaches refrigeration object by First Heat Exchanger 5, hot-fluid is reached by the second heat exchanger 6 and heats object, the working medium of First Heat Exchanger and the second heat exchanger can select water, power is passed through by water pump 8, required cold (heat) amount is delivered to automobile heat-exchange system, then by automobile heat-exchange system 13 heat exchange to reach the object controlling temperature between air conditioning for automobiles.
Natural fuels in storage tank 1 is after First Heat Exchanger and the second heat exchanger, converged by threeway 10, eventually pass blowdown valve 11 and be transported to driving engine 12, ensure that safety through blowdown valve pressure release, whole natural-gas transfer pipeline air-tightness is good, effectively prevent the harm that natural gas leaking brings.Vortex tube 4 has stronger compressive property, and whole natural-gas transfer pipeline compressive property is good and can heat exchange effective in heat-exchanger rig.
Water in water tank 9 provides power by water pump 8, is transported to First Heat Exchanger 5 when freezing, and obtain the cold that vortex tube 4 produces, the automobile heat-exchange system 13 be then transported between air conditioning for automobiles is lowered the temperature, and is circulated back to water tank 9 finally by heat exchange outlet and water inlet; Being transported to the second heat exchanger 6 when heating, obtaining the heat that vortex tube 4 produces, being then transported to automobile heat-exchange system 13 between air conditioning for automobiles and heating up, be circulated back to water tank 9 finally by heat exchange outlet and water inlet.The intelligence switching that the flow direction controlling water by switch 7 realizes automobile refrigerating and heats, water is by water pump recycle.
Claims (9)
1. utilize an air conditioning system for vehicle for CNG storage tank pressure energy, comprising the storage tank for storing compression natural gas, it is characterized in that: also comprise vortex tube, First Heat Exchanger, water tank and automobile heat-exchange system;
Described water tank, First Heat Exchanger and automobile heat-exchange system form loop;
Described vortex tube comprises admission port and the first gas vent;
Storage tank is communicated with admission port by pipeline, and the first gas outlet is communicated with pipeline;
Described First Heat Exchanger and the tube contacts be communicated with at the first gas outlet.
2. the air conditioning system for vehicle utilizing CNG storage tank pressure energy according to claim 1, is characterized in that: being communicated with at the pipeline of the first gas outlet is snake pipe, and described First Heat Exchanger is coil heat exchanger.
3. the air conditioning system for vehicle utilizing CNG storage tank pressure energy according to claim 2, is characterized in that: described air conditioning system for vehicle also comprises driving engine, and driving engine comprises cylinder, is communicated with and is communicated with cylinder at the pipeline of the first gas outlet.
4. the air conditioning system for vehicle utilizing CNG storage tank pressure energy according to claim 3, is characterized in that: described water tank comprises water inlet and water outlet, and First Heat Exchanger comprises the first import and the first outlet, and automobile heat-exchange system comprises heat exchange import and heat exchange outlet; Water outlet is by pipeline and the first inlet communication, and the first outlet is by pipeline and heat exchange inlet communication, and heat exchange outlet is communicated with water inlet.
5. the air conditioning system for vehicle utilizing CNG storage tank pressure energy according to claim 4, is characterized in that: described air conditioning system for vehicle also comprises the second heat exchanger, and water tank, the second heat exchanger and automobile heat-exchange system form loop;
Described vortex tube also comprises the second gas vent, and the second gas outlet is communicated with pipeline;
Described second heat exchanger and the tube contacts be communicated with at the second gas outlet.
6. the air conditioning system for vehicle utilizing CNG storage tank pressure energy according to claim 5, is characterized in that: being communicated with at the pipeline of the second gas outlet is snake pipe, and described second heat exchanger is coil heat exchanger.
7. the air conditioning system for vehicle utilizing CNG storage tank pressure energy according to claim 6, is characterized in that: be communicated with and be communicated with described cylinder at the pipeline of the second gas outlet.
8. the air conditioning system for vehicle utilizing CNG storage tank pressure energy according to claim 7, it is characterized in that: described second heat exchanger comprises the second import and the second outlet, described water outlet is by pipeline and the second inlet communication, second outlet is by pipeline and described heat exchange inlet communication, and described heat exchange outlet is communicated with described water inlet.
9. the air conditioning system for vehicle utilizing CNG storage tank pressure energy according to claim 8, it is characterized in that: described storage tank is provided with safety valve, cylinder and the pipeline between the first gas vent and the second gas vent are provided with blowdown valve, and automobile heat-exchange system is plate wing heat-exchange system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606859.2U CN204109738U (en) | 2014-10-20 | 2014-10-20 | A kind of air conditioning system for vehicle utilizing CNG storage tank pressure energy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606859.2U CN204109738U (en) | 2014-10-20 | 2014-10-20 | A kind of air conditioning system for vehicle utilizing CNG storage tank pressure energy |
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| CN204109738U true CN204109738U (en) | 2015-01-21 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290563A (en) * | 2014-10-20 | 2015-01-21 | 西安科技大学 | Vehicular air conditioning system utilizing pressure energy of CNG (compressed natural gas) storage tank |
| CN106183707A (en) * | 2016-06-29 | 2016-12-07 | 浙江大学 | A kind of automobile air based on vortex tube regulation system |
| CN106679255A (en) * | 2016-12-29 | 2017-05-17 | 中原工学院 | Vehicle air conditioner defrosting system based on vortex tube technology |
| CN106679254A (en) * | 2016-12-15 | 2017-05-17 | 中原工学院 | Vortex tube defrosting system for heat pump type passenger car air conditioner system |
-
2014
- 2014-10-20 CN CN201420606859.2U patent/CN204109738U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290563A (en) * | 2014-10-20 | 2015-01-21 | 西安科技大学 | Vehicular air conditioning system utilizing pressure energy of CNG (compressed natural gas) storage tank |
| CN106183707A (en) * | 2016-06-29 | 2016-12-07 | 浙江大学 | A kind of automobile air based on vortex tube regulation system |
| CN106679254A (en) * | 2016-12-15 | 2017-05-17 | 中原工学院 | Vortex tube defrosting system for heat pump type passenger car air conditioner system |
| CN106679254B (en) * | 2016-12-15 | 2019-06-21 | 中原工学院 | Vortex tube for pump type heat hvac system removes defrosting system |
| CN106679255A (en) * | 2016-12-29 | 2017-05-17 | 中原工学院 | Vehicle air conditioner defrosting system based on vortex tube technology |
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