CN203046821U - Air conditioner cycle refrigeration system for liquefied natural gas (LNG) vehicle - Google Patents
Air conditioner cycle refrigeration system for liquefied natural gas (LNG) vehicle Download PDFInfo
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- CN203046821U CN203046821U CN201320031932.3U CN201320031932U CN203046821U CN 203046821 U CN203046821 U CN 203046821U CN 201320031932 U CN201320031932 U CN 201320031932U CN 203046821 U CN203046821 U CN 203046821U
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- pipeline
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- evaporator
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- temperature sensor
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Abstract
The utility model discloses an air conditioner cycle refrigeration system for a liquefied natural gas (LNG) vehicle. The air conditioner cycle refrigeration system for the LNG vehicle comprises an LNG steel cylinder, a temperature control device, an air conditioner evaporator and an engine, wherein the LNG steel cylinder is connected with the temperature control device through a first pipeline, the temperature control device is connected with the air conditioner evaporator through a second pipeline, and the air conditioner evaporator is connected with the engine through a third pipeline. An air conditioner evaporator coil pipe is provided with a secondary refrigerant coil pipe in a winding mode. An electromagnetic valve and an auxiliary warming device are mounted on the first pipeline. The auxiliary warming device comprises a box body and a heat exchange coil pipe. An inner cavity of the box body is connected with a secondary refrigerant coil pipe inlet and a secondary refrigerant coil pipe outlet to form a secondary refrigerant circulating pipeline which is provided with a circulating pump. The third pipeline is provided with a voltage stabilizer. The LNG steel cylinder and the voltage stabilizer are connected with a fourth pipeline, and a vaporizer is mounted on the fourth pipeline. An outlet temperature sensor is mounted on an outlet of the temperature control device. An in-vehicle temperature sensor is mounted inside the vehicle. The electromagnetic valve, the outlet temperature sensor and the in-vehicle temperature sensor are all controlled by an electric control device. The air conditioner cycle refrigeration system for the LNG vehicle achieves energy conservation and emission reduction.
Description
Technical field
The utility model relates to the car air-conditioner field, refers to a kind of LNG car air-conditioner cycle refrigeration system especially.
Background technology
Day by day exhausted and to the attention of environmental protection along with oil resources, various countries require more and more stricter to the exhaust emission standard of automobile, accelerated the paces of development alternative fuel.Natural fuels becomes one of main alternative energy of motor vehicle fuel with environmental protection, energy-conservation, economic dispatch advantage, LNG (liquefied natural gas) especially, but used by passenger vehicle gradually with advantages such as its safety, cleaning load factor height, use cost are low.China recent years, " LNG development project such as West-east Gas advanced rapidly, has further promoted the development of LNG passenger vehicle, and the LNG passenger vehicle is popularized throughout the country especially and come.
At present, the orthodox car refrigeration system adopts the moving compressor of traditional belt driving band mostly both at home and abroad, make cold by compression, condensation, evaporation etc., again cold is realized refrigeration by evaporator evaporation, when process of refrigerastion, the consumption of power of the running meeting consumption of engine of compressor has caused the waste of the energy.And the cold that utilizes among the LNG is also arranged at present as the refrigeration of air-conditioning, but because the amount of natural gas that driving engine consumes is slower, therefore, the refrigeration of air-conditioning can't get a desired effect at all.
The utility model content
Technical problem to be solved in the utility model is: a kind of LNG car air-conditioner cycle refrigeration system is provided, this cycle refrigeration system has utilized the cold among the LNG fully, make the A/C evaporator refrigerating capacity big, the problem that solved the car air-conditioner of traditional use compressor cooling or refrigerating equipment cost height, wastes energy has realized reducing the dual purpose of manufacturing cost and energy-saving and emission-reduction.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of LNG car air-conditioner cycle refrigeration system, comprise the LNG steel cylinder, temperature control apparatus, A/C evaporator and driving engine, connect by first pipeline between LNG steel cylinder and the temperature control apparatus, connect by second pipeline between temperature control apparatus and the A/C evaporator, connect by the 3rd pipeline between A/C evaporator and the driving engine, the evaporator coil of A/C evaporator is wound with the secondary refrigerant coil pipe, the flow direction of the first pipeline upper edge LNG is equipped with electromagnetic valve and auxiliary heat riser successively, auxiliary heat riser comprises casing and is arranged at the interior heat exchanger coil of casing, the arrival end of this heat exchanger coil and exit end are connected on first pipeline, this casing is provided with the secondary refrigerant entrance that is connected with the secondary refrigerant filling tube, the entrance of the inner chamber of casing and secondary refrigerant coil pipe, connect and compose the secondary refrigerant circulation line between the outlet, this follows the secondary refrigerant circulation line and is provided with circulation pump, the 3rd pipeline is provided with voltage stabilizer, be connected with the 4th pipeline between LNG steel cylinder and the voltage stabilizer, on the 4th pipeline carburetter is installed, the temperature control apparatus exit is equipped with the control setup outlet temperature sensor, the vehicle interior temperature sensor is installed, described electromagnetic valve in the car, the control setup outlet temperature sensor, the vehicle interior temperature sensor is controlled by electrical controller.
As a kind of preferred scheme, described secondary refrigerant is ethylene glycol.
As a kind of preferred scheme, described circulation pump is arranged between casing and the secondary refrigerant coil pipe entrance.
As a kind of preferred scheme, the flow direction of the described second pipeline upper edge LNG is equipped with fluid reservoir and flow control valve successively, and this flow control valve is electrically connected with electrical controller.
As a kind of preferred scheme, described temperature control apparatus comprises intensification blower fan and intensification coil pipe, and the two ends of intensification coil pipe are connected with heat exchanger coil outlet, second pipeline respectively.
As a kind of preferred scheme, described A/C evaporator exit also is equipped with the evaporator outlet temperature sensor, and this evaporator outlet temperature sensor is electrically connected with electrical controller.
After having adopted technique scheme, effect of the present utility model is: a kind of LNG car air-conditioner cycle refrigeration system, comprise the LNG steel cylinder, temperature control apparatus, A/C evaporator and driving engine, connect by first pipeline between LNG steel cylinder and the temperature control apparatus, connect by second pipeline between temperature control apparatus and the A/C evaporator, connect by the 3rd pipeline between A/C evaporator and the driving engine, the evaporator coil of A/C evaporator is wound with the secondary refrigerant coil pipe, the flow direction of the first pipeline upper edge LNG is equipped with electromagnetic valve and auxiliary heat riser successively, auxiliary heat riser comprises casing and is arranged at the interior heat exchanger coil of casing, the arrival end of this heat exchanger coil and exit end are connected on first pipeline, this casing is provided with the secondary refrigerant entrance that is connected with the secondary refrigerant filling tube, the entrance of the inner chamber of casing and secondary refrigerant coil pipe, connect and compose the secondary refrigerant circulation line between the outlet, this secondary refrigerant circulation line is provided with circulation pump, the 3rd pipeline is provided with voltage stabilizer, be connected with the 4th pipeline between LNG steel cylinder and the voltage stabilizer, on the 4th pipeline carburetter is installed, the temperature control apparatus exit is equipped with the control setup outlet temperature sensor, the vehicle interior temperature sensor is installed, described electromagnetic valve in the car, the control setup outlet temperature sensor, the vehicle interior temperature sensor is controlled by electrical controller.This a kind of LNG car air-conditioner cycle refrigeration system heats cryogenic liquid by auxiliary heat riser and temperature control apparatus, to satisfy the demand of A/C evaporator, be delivered to A/C evaporator then, the cold that discharges in A/C evaporator LNG intensification gasification is used for air conditioner refrigerating, natural gas transport after the gasification is to driving engine, if the cold that discharges in the above-mentioned LNG intensification gasification very little, when being not enough to satisfy the demand of air conditioner refrigerating, then can open the secondary refrigerant circulation line, by A/C evaporator the secondary refrigerant coil pipe is heated, the cold that secondary refrigerant is emitted in the secondary refrigerant coil pipe can be used for air conditioner refrigerating, the back secondary refrigerant that heats up enters in the casing from the outlet of secondary refrigerant coil pipe and by heat exchanger coil the cryogenic liquid the heat exchanger coil is heated, this refrigeration system has reduced manufacturing cost, the consumption of power of driving engine, take full advantage of the cold among the LNG, both pollution-free, realize the double effects of energy-saving and emission-reduction again, and make the refrigerating capacity of A/C evaporator be enough to meet requirements.
Because the flow direction of the described second pipeline upper edge LNG is equipped with fluid reservoir and flow control valve successively, and this flow control valve is electrically connected with electrical controller, being conducive to accurately provides needed cold for air conditioner refrigerating again.
Again because described A/C evaporator exit also is equipped with the evaporator outlet temperature sensor, this evaporator outlet temperature sensor is electrically connected with electrical controller, is conducive to control the refrigerating capacity that flow control valve is accurately regulated A/C evaporator according to the A/C evaporator temperature out.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the diagram of circuit of the utility model embodiment;
In the accompanying drawing: the 1.LNG steel cylinder; 2. temperature control apparatus; 3. A/C evaporator; 4. driving engine; 5. first pipeline; 6. second pipeline; 7. the 3rd pipeline; 8. the 4th pipeline; 9. electromagnetic valve; 10. fluid reservoir; 11. flow control valve; 12. control setup outlet temperature sensor; 13. evaporator outlet temperature sensor; 14. vehicle interior temperature sensor; 15. electrical controller; 16. secondary refrigerant circulation line; 17. carburetter; 18. voltage stabilizer; 19. secondary refrigerant filling tube; 20. auxiliary heat riser; 201. casing; 202. heat exchanger coil; 21. secondary refrigerant coil pipe; 22. circulation pump.
The specific embodiment
Below by specific embodiment a kind of LNG car air-conditioner of the utility model cycle refrigeration system is described in further detail.
As shown in Figure 1, a kind of LNG car air-conditioner cycle refrigeration system, comprise LNG steel cylinder 1, temperature control apparatus 2, A/C evaporator 3 and driving engine 4, connect by first pipeline 5 between LNG steel cylinder 1 and the temperature control apparatus 2, connect by second pipeline 6 between temperature control apparatus 2 and the A/C evaporator 3, connect by the 3rd pipeline 7 between A/C evaporator 3 and the driving engine 4, the evaporator coil of A/C evaporator 3 is wound with secondary refrigerant coil pipe 21, the flow direction of first pipeline, 5 upper edge LNG is equipped with electromagnetic valve 9 and auxiliary heat riser 20 successively, auxiliary heat riser 20 comprises casing 201 and the heat exchanger coil 202 that is arranged in the casing 201, the arrival end of this heat exchanger coil 202 and exit end are connected on first pipeline 5, this casing 201 is provided with the secondary refrigerant entrance that is connected with secondary refrigerant filling tube 19, the entrance of the inner chamber of casing 201 and secondary refrigerant coil pipe 21, connect and compose secondary refrigerant circulation line 16 between the outlet, this follows secondary refrigerant circulation line 16 and is provided with circulation pump 22, circulation pump 22 is arranged between casing 201 and secondary refrigerant coil pipe 21 entrances in the present embodiment, certainly, this circulation pump 22 can also be arranged in the casing 201.The flow direction of second pipeline, 6 upper edge LNG is equipped with fluid reservoir 10 and flow control valve 11 successively, the 3rd pipeline 7 is provided with voltage stabilizer 18, be connected with the 4th pipeline 8 between LNG steel cylinder 1 and the voltage stabilizer 18, on the 4th pipeline 8 carburetter 17 is installed, temperature control apparatus 2 exits are equipped with control setup outlet temperature sensor 12, vehicle interior temperature sensor 14 is installed in the car, and described electromagnetic valve 9, flow control valve 11, control setup outlet temperature sensor 12, vehicle interior temperature sensor 14 are by electrical controller 15 controls.
Temperature control apparatus 2 comprises intensification blower fan and intensification coil pipe in the present embodiment, the two ends of intensification coil pipe are connected with heat exchanger coil 202 outlets, second pipeline 6 respectively, described A/C evaporator 3 exits also are equipped with evaporator outlet temperature sensor 13, this evaporator outlet temperature sensor 13 is electrically connected with electrical controller 15, the secondary refrigerant of present embodiment is ethylene glycol, can certainly be water, preferably use the hot water of driving engine 4 hot-water lines.
A kind of flow process of LNG car air-conditioner cycle refrigeration system is as follows: when the temperature signal of vehicle interior temperature sensor 14 receptions does not reach the air-conditioning design temperature, opened by electrical controller 15 control electromagnetic valves 9, cryogenic liquid enters the intensification coil pipe of temperature control apparatus 2 through auxiliary heat riser 20, the intensification blower fan carries out heat temperature raising to the intensification coil pipe, the control setup outlet temperature sensor 12 control temperature outs in intensification coil pipe exit, guarantee that temperature out is between-3 ~ 5 ℃, enter fluid reservoir 10 again to guarantee the normal feed flow of A/C evaporator 3, enter flow control valve 11 then, the flow of flow control valve 11 is controlled by control setup, it is constantly adjusted with A/C evaporator 3 temperature outs: evaporator outlet temperature sensor 13 temperature reach 10 ℃, flow control valve 11 enlargement discharges, make more liquid enter A/C evaporator 3 and absorb heat, when reaching-3 ℃ as A/C evaporator 3 evaporator outlet temperature sensors 1313, flow control valve 11 is turned flow down, reduce liquid and enter A/C evaporator 3, the gas that flows out A/C evaporator 3 arrives voltage stabilizer 18, carry out pressure and regulate, enter driving engine 4 burnings at last; When if the cold that A/C evaporator 3 provides can not satisfy the demand of air conditioner refrigerating, can heat with the cryogenic liquid in auxiliary 20 pairs of heat exchanger coils of heat riser 202, get final product to the casing 201 interior secondary refrigerants that feed by secondary refrigerant filling tube 19, cryogenic liquid is rapidly heated and controls between-3 ~ 5 ℃ and by 2 pairs of temperature of temperature control apparatus, be delivered to fluid reservoir 10 then, enter A/C evaporator 3 through flow control valve 11, to satisfy the demand of air conditioner refrigerating; When the cryogenic liquid after utilizing auxiliary heat riser 20 and temperature control apparatus 22 heat temperature raisings still can not satisfy the needed cold of air conditioner refrigerating, open secondary refrigerant circulation line 16 and replenish cold, secondary refrigerant in the casing 201 flows out heat exchanger coil 202 heating backs, the temperature of the secondary refrigerant that flows out is lower, enter in the secondary refrigerant coil pipe 21 by circulation pump 22,3 places are heated intensification at A/C evaporator, secondary refrigerant in the secondary refrigerant coil pipe 21 discharges cold to satisfy air conditioner refrigerating, secondary refrigerant after secondary refrigerant coil pipe 21 heats up flow back in the casing 201, can continue on for the heating of heat exchanger coil 202.
In the above-mentioned working process, whether the intensification blower fan can just be selected to open according to the temperature in heat exchanger coil 202 exits, can satisfy between-3 ~ 5 ℃ if be transported to the natural gas temperature of intensification coil pipe outlet, then needn't open.
When the signal that vehicle interior temperature sensor 14 is accepted reached the air-conditioning design temperature, the power supply of electromagnetic valve 9 and temperature control apparatus 2 was cut off in control setup control automatically, and a/c system is normally air-supply still.
Air-conditioning is not opened or the natural fuels of A/C evaporator 3 outlet output when being not enough to provide the required fuel of driving engine 4, open on the 4th pipeline 8, low temperature LNG liquid enters carburetter 17, carburetter 17 is preferably by engine thermal water pipe heat temperature raising, under the heating of hot water, gasify, natural fuels after the gasification enters in the voltage stabilizer 18, enters into driving engine 4 internal combustion after being adjusted to suitable pressure.
Claims (6)
1. LNG car air-conditioner cycle refrigeration system, it is characterized in that: comprise the LNG steel cylinder, temperature control apparatus, A/C evaporator and driving engine, connect by first pipeline between LNG steel cylinder and the temperature control apparatus, connect by second pipeline between temperature control apparatus and the A/C evaporator, connect by the 3rd pipeline between A/C evaporator and the driving engine, the evaporator coil of A/C evaporator is wound with the secondary refrigerant coil pipe, the flow direction of the first pipeline upper edge LNG is equipped with electromagnetic valve and auxiliary heat riser successively, auxiliary heat riser comprises casing and is arranged at the interior heat exchanger coil of casing, the arrival end of this heat exchanger coil and exit end are connected on first pipeline, this casing is provided with the secondary refrigerant entrance that is connected with the secondary refrigerant filling tube, the entrance of the inner chamber of casing and secondary refrigerant coil pipe, connect and compose the secondary refrigerant circulation line between the outlet, this secondary refrigerant circulation line is provided with circulation pump, the 3rd pipeline is provided with voltage stabilizer, be connected with the 4th pipeline between LNG steel cylinder and the voltage stabilizer, on the 4th pipeline carburetter is installed, the temperature control apparatus exit is equipped with the control setup outlet temperature sensor, the vehicle interior temperature sensor is installed, described electromagnetic valve in the car, the control setup outlet temperature sensor, the vehicle interior temperature sensor is controlled by electrical controller.
2. a kind of LNG car air-conditioner cycle refrigeration system according to claim 1, it is characterized in that: described secondary refrigerant is ethylene glycol.
3. as a kind of LNG car air-conditioner cycle refrigeration system as described in the claim 2, it is characterized in that: described circulation pump is arranged between casing and the secondary refrigerant coil pipe entrance.
4. as a kind of LNG car air-conditioner cycle refrigeration system as described in the claim 3, it is characterized in that: the flow direction of the described second pipeline upper edge LNG is equipped with fluid reservoir and flow control valve successively, and this flow control valve is electrically connected with electrical controller.
5. as a kind of LNG car air-conditioner cycle refrigeration system as described in the claim 4, it is characterized in that: described temperature control apparatus comprises intensification blower fan and intensification coil pipe, and the two ends of intensification coil pipe are connected with heat exchanger coil outlet, second pipeline respectively.
6. as claim 1 to 5 a kind of LNG car air-conditioner cycle refrigeration system as described in each, it is characterized in that: described A/C evaporator exit also is equipped with the evaporator outlet temperature sensor, and this evaporator outlet temperature sensor is electrically connected with electrical controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320031932.3U CN203046821U (en) | 2013-01-22 | 2013-01-22 | Air conditioner cycle refrigeration system for liquefied natural gas (LNG) vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320031932.3U CN203046821U (en) | 2013-01-22 | 2013-01-22 | Air conditioner cycle refrigeration system for liquefied natural gas (LNG) vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN203046821U true CN203046821U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320031932.3U Withdrawn - After Issue CN203046821U (en) | 2013-01-22 | 2013-01-22 | Air conditioner cycle refrigeration system for liquefied natural gas (LNG) vehicle |
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| CN (1) | CN203046821U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072449A (en) * | 2013-01-22 | 2013-05-01 | 苏州赛尔科凌空调有限公司 | Circulation refrigerating system for liquefied natural gas (LNG) vehicle air conditioner |
| CN103507598A (en) * | 2013-09-29 | 2014-01-15 | 上海三一重机有限公司 | Air conditioning system using LNG cold energy and engineering machine |
| CN110802996A (en) * | 2019-12-12 | 2020-02-18 | 酷豹低碳新能源装备科技(常州)有限公司 | LNG air conditioner refrigerating system |
-
2013
- 2013-01-22 CN CN201320031932.3U patent/CN203046821U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072449A (en) * | 2013-01-22 | 2013-05-01 | 苏州赛尔科凌空调有限公司 | Circulation refrigerating system for liquefied natural gas (LNG) vehicle air conditioner |
| CN103072449B (en) * | 2013-01-22 | 2015-01-28 | 苏州赛尔科凌空调有限公司 | Circulation refrigerating system for liquefied natural gas (LNG) vehicle air conditioner |
| CN103507598A (en) * | 2013-09-29 | 2014-01-15 | 上海三一重机有限公司 | Air conditioning system using LNG cold energy and engineering machine |
| CN110802996A (en) * | 2019-12-12 | 2020-02-18 | 酷豹低碳新能源装备科技(常州)有限公司 | LNG air conditioner refrigerating system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130710 Effective date of abandoning: 20150128 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130710 Effective date of abandoning: 20150128 |
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| RGAV | Abandon patent right to avoid regrant |