CN106314067A - LNG cold energy utilization dual-temperature air-conditioning system - Google Patents
LNG cold energy utilization dual-temperature air-conditioning system Download PDFInfo
- Publication number
- CN106314067A CN106314067A CN201510382158.4A CN201510382158A CN106314067A CN 106314067 A CN106314067 A CN 106314067A CN 201510382158 A CN201510382158 A CN 201510382158A CN 106314067 A CN106314067 A CN 106314067A
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- Prior art keywords
- temperature
- temperature sensor
- air
- sensing valve
- lng
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3202—Cooling devices using evaporation, i.e. not including a compressor, e.g. involving fuel or water evaporation
Abstract
The invention belongs to the field of air conditioners for vehicles, and provides an LNG cold energy utilization dual-temperature air-conditioning system. The LNG cold energy utilization dual-temperature air-conditioning system includes an LNG gas cylinder, a first energy converter, an engine gas feeding system, a third-part medium storage box, a first temperature sensor, a variable frequency pump, a first temperature control valve, an air conditioner, a second temperature sensor, a third temperature sensor, a second temperature control valve, a cooling and heating dual-purpose refrigerator, a fourth temperature sensor, a third temperature control valve, a second energy converter, a fourth temperature control valve and an engine water tank. The LNG cold energy utilization dual-temperature air-conditioning system uses LNG (Liquefied Natural Gas) as a refrigerant, and can provide cold energy for the air conditioner and the refrigerator through cold energy exchange between a third-part medium and the energy converters. The LNG vehicle air conditioner and refrigerator device can achieve functions of a refrigeration air conditioner and a refrigeration refrigerator, and can achieve functions of a heating air conditioner and a warming box.
Description
Technical field
The present invention relates to a kind of air conditioning system, particularly to a kind of LNG cold energy use dual temperature air conditioning system, belong to
In car air-conditioner field.
Background technology
The environmental pollution in short supply and increasing of global petroleum resources so that pollute little, have good burning performance,
The application of the natural gas of rich reserves is more and more extensive.Car tail will be substantially reduced as motor vehicle fuel using natural gas
Gas pollutes.LNG is the natural gas stored the most in liquid form, and storage temperature is about 162 °, has
Energy storage density is big, accounts for the advantages such as vehicle load is light, continuously drive mileage length, security performance is high.Generally
LNG needs heating and gasifying to be that the gaseous natural gas under room temperature just can deliver to automobile engine, during gasification
The cold energy of release is about 860KJ/kg, if LNG can continuous gasification, cold that this part is contained will tool
There is considerable economic and social benefit.If do not reclaimed, this part cold is generally just in automotive natural gas gasifier
Taken away by engine cooling water, the cold of waste unfortunately, it is contemplated that by recyclable for this cold energy for automobile
Refrigeration.Orthodox car air-conditioning use be substantially freon vapor compression refrigerating machine group, compressor the most all by
Automobile engine is driven by shaft coupling, and such refrigerating capacity is affected very big, due to air conditioning for automobiles by speed
Vibrations are very big, working environment badly make the as easy as rolling off a log damage of air conditioning for automobiles, so the maintenance of air conditioning for automobiles
It it is exactly a big problem.The air conditioning for automobiles of vapour compression refrigeration does not only have noise pollution, and easily causes refrigeration
The leakage of agent destroys atmospheric environment.Use LNG cold energy refrigeration not only saved social resources and also to the mankind not
Can pollute, depletion of the ozone layer and greenhouse effect, enterprise is created enterprise value, is not lost for driver
Power (hundred kilometers save about 6 yuan), save tangible be expense, invisible be the time.The most also reduce
The dual pollution of oils and fats and cold-producing medium, longer than the traditional product life-span more than 5 times, energy-conservation to LNG Efficient automobile
Significant.
Summary of the invention
The technical problem to be solved in the present invention visitor is to take existing defect, it is provided that a kind of LNG cold energy use dual temperature is empty
Adjusting system, can effectively solve the problem in background technology.
In order to solve above-mentioned technical problem, the invention provides following technical scheme:
One LNG cold energy use dual temperature air conditioning system of the present invention, including LNG gas cylinder, the first energy transducer and
Engine air supply systems, also includes third party's medium storage tank, the first temperature sensor, variable frequency pump, the first temperature
Control valve, air-conditioning, the second temperature sensor, three-temperature sensor, the second temperature-sensing valve, cold, hot two-purpose refrigerator,
4th temperature sensor, the 3rd temperature-sensing valve, the second energy transducer, the 4th temperature-sensing valve and engine water tank；By
Described first energy transducer, third party's medium storage tank, the first temperature sensor, variable frequency pump, the first temperature-sensing valve,
Air-conditioning, the second temperature sensor and three-temperature sensor constitute Space-Time Modulation cold loop in summer；By described first
Energy transducer, third party's medium storage tank, the first temperature sensor, variable frequency pump, the second temperature-sensing valve, refrigerator,
Refrigerator loop when constituting summer with the 4th temperature sensor；By described 3rd temperature-sensing valve and the 4th temperature-sensing valve, second
Energy transducer and engine water tank constitute Space-Time Modulation in winter and warm up food heat-insulation system.
As a preferred technical solution of the present invention, the blower fan within described air-conditioning can realize high, medium and low three
Shelves speed governing, can regulate air quantity at any time.
As a preferred technical solution of the present invention, described first temperature sensor is that third party's medium temp passes
Sensor, described second temperature sensor is the defrosting temperature sensor of air-conditioning, and three-temperature sensor is air conditioning chamber
Interior temperature sensor, the 4th temperature sensor is the spin manifold temperature sensor of refrigerator.
Of the present invention to providing the benefit that: this air conditioning system uses LNG (liquefied natural gas) as refrigeration
Agent, utilizes the cold energy exchange of third party's medium, energy coverter, it is provided that the cold energy of air-conditioning and the cold energy of refrigerator.
This LNG car air-conditioner and refrigerator apparatus decapacitation were provided that outside refrigeration air-conditioner and refrigerator functions in summer, moreover it is possible in the winter
It provides heating air conditioner and couveuse function.
Accompanying drawing explanation
Accompanying drawing is for providing a further understanding of the present invention, and constitutes a part for description, with the present invention
Embodiment be used for together explaining the present invention, be not intended that limitation of the present invention.
In the accompanying drawings:
Fig. 1 is that a kind of LNG cold energy use dual temperature sky described in the embodiment of the present invention withers system diagram；
Label in figure: 1, LNG gas cylinder；2, the first energy transducer；3, third party's medium storage tank；4,
One temperature sensor；5, variable frequency pump；6, engine air supply systems；7, the first temperature-sensing valve；8, air-conditioning；9、
Second temperature sensor；10, temperature sensor；11, temperature-sensing valve；12, cold, hot two-purpose refrigerator；13, the 4th
Temperature sensing；14, the 3rd temperature-sensing valve；15, the second energy transducer；16, the 4th temperature-sensing valve；17, start
Machine water tank.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the present invention, being not intended to limit the present invention.
Embodiment: as it is shown in figure 1, one LNG cold energy use dual temperature air conditioning system of the present invention, including LNG
Gas cylinder the 1, first energy transducer 2 and engine air supply systems 6, also include third party's medium storage tank 3,
One temperature sensor 1, variable frequency pump the 5, first temperature-sensing valve 7, air-conditioning the 8, second temperature sensor the 9, the 3rd
Temperature sensor the 10, second temperature-sensing valve 11, cold, hot two-purpose refrigerator the 12, the 4th temperature sensor the 13, the 3rd temperature
Control valve the 14, second energy transducer the 15, the 4th temperature-sensing valve 16 and engine water tank 17；By described first energy
Energy converter 2, the 3, first temperature sensor 4 of third party's medium storage tank, variable frequency pump the 5, first temperature-sensing valve 7,
Air-conditioning the 8, second temperature sensor 9 and three-temperature sensor 10 constitute Space-Time Modulation cold loop in summer；By
Described first energy transducer 2, the 3, first temperature sensor 4 of third party's medium storage tank, variable frequency pump 5, second
Refrigerator loop when temperature-sensing valve 11, refrigerator 12 and the 4th temperature sensor 13 constitute summer；By described first temperature
Air-conditioning when control valve 14 and the 4th temperature-sensing valve the 16, second energy transducer 15 and engine water tank 17 constitute winter
Heating and food heat-insulation system.
In third party's medium (such as liquefied natural gas) in third party's medium storage tank 3 and the first energy transducer 2
LNG heat exchange, takes out of cold, is evacuated to air-conditioning via variable frequency pump 5 and realizes refrigerating function, is evacuated to refrigerator and realizes
Food cold storage function；When winter, when needing air-conditioning heating or food insulation, open the 3rd temperature-sensing valve 14 He
4th temperature-sensing valve 16, third party's medium is via the hot water in the second energy transducer 15 and engine water tank 17
Carry out heat exchange.Owing to the heat of the hot engine water in the second energy transducer 15 chamber is much larger than the first energy
The cold of LNG coil pipe in transducer 2 chamber, so third party's medium carries heat via the first energy transducer 2
Realize heat-production functions through former air-conditioning 8 loop with variable frequency pump 5 and realize food insulation merit through field ice case loop
Energy.
Blower fan within air-conditioning 8 can realize high, medium and low third gear speed governing, can regulate air quantity at any time.
First temperature sensor 4 is third party's medium temp sensor, and described second temperature sensor 9 is air-conditioning
The defrosting temperature sensor of 8, three-temperature sensor 10 is air-conditioning 8 indoor temperature transmitter, the 4th temperature
Sensor 13 is the spin manifold temperature sensor of refrigerator.
Refrigeration work flow process: when indoor temperature, spin manifold temperature and third party's medium temp are higher than setting value, wind
Machine and variable frequency pump 5 work, and the first temperature-sensing valve 7 and the second temperature control valve port open work: when indoor temperature is less than
During setting value, the first temperature-sensing valve 7 cuts out: when the temperature that defrosts is less than setting value, the first temperature-sensing valve 7 cuts out；
When spin manifold temperature is less than setting value, the second temperature-sensing valve 11 cuts out；When spin manifold temperature, indoor temperature or defrosting
When temperature is simultaneously less than setting value, variable frequency pump 5, the first temperature-sensing valve 7 and the second temperature-sensing valve 11 are all closed.
When third party's medium temp is less than setting value, third party's medium temp is too low, closes the first temperature-sensing valve 7
With the second temperature-sensing valve 11, open the 3rd temperature-sensing valve 14 and the 4th temperature-sensing valve 16, make third party's medium enter second
Energy transducer 15 heats up and is allowed to higher than setting value, is then shut off the 3rd temperature-sensing valve 14 and the 4th temperature-sensing valve 16,
Open the first temperature-sensing valve 7 and the second temperature-sensing valve 11.
Heat workflow: when indoor temperature or couveuse temperature are less than setting value, open the first temperature-sensing valve 7,
Second temperature-sensing valve the 11, the 3rd temperature-sensing valve 14 and the 4th temperature-sensing valve 16, via the second energy transducer 15 out
Heat third party's medium bring system into, it is achieved air-conditioning heating function and couveuse function.
The present invention uses LNG (liquefied natural gas) as cold-producing medium, utilizes third party's medium, energy transducer
Cold energy exchange, it is provided that the cold energy of air-conditioning and the cold energy of refrigerator.LNG car air-conditioner and refrigerator apparatus decapacitation are in the summer
It is provided that outside refrigeration air-conditioner and refrigerator functions, moreover it is possible to provide heating air conditioner and couveuse function in winter.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to this
Invention, although being described in detail the present invention with reference to previous embodiment, for those skilled in the art
For, the technical scheme described in foregoing embodiments still can be modified by it, or to wherein part
Technical characteristic carries out equivalent.All within the spirit and principles in the present invention, any amendment of being made, equivalent
Replacement, improvement etc., should be included within the scope of the present invention.
Claims (3)
1. a LNG cold energy use dual temperature air conditioning system, including LNG gas cylinder (1), the first energy transducer
And engine air supply systems (6) (2), it is characterised in that also include third party's medium storage tank (3), first
Temperature sensor (4), variable frequency pump (5), the first temperature-sensing valve (7), air-conditioning (8), the second temperature sensor
(9), three-temperature sensor (10), the second temperature-sensing valve (11), cold, hot two-purpose refrigerator (12), the 4th temperature
Degree sensor (13), the 3rd temperature-sensing valve (14), the second energy transducer (15), the 4th temperature-sensing valve (16)
With engine water tank (17)；By described first energy transducer (2), third party's medium storage tank (3), first
Temperature sensor (4), variable frequency pump (5), the first temperature-sensing valve (7), air-conditioning (8), the second temperature sensor (9)
Space-Time Modulation cold loop in summer is constituted with three-temperature sensor (10)；By described first energy transducer (2),
Third party's medium storage tank (3), the first temperature sensor (4), variable frequency pump (5), the second temperature-sensing valve (11),
Refrigerator loop when refrigerator (12) and the 4th temperature sensor (13) constitute summer；By described 3rd temperature-sensing valve
And the 4th temperature-sensing valve (16), the second energy transducer (15) and engine water tank (17) constitute the winter (11)
It Space-Time Modulation is warmed up food heat-insulation system.
A kind of LNG cold energy use dual temperature air conditioning system the most according to claim 1, it is characterised in that
The blower fan of described air-conditioning (8) inside can realize high, medium and low three gear speed governing, can regulate air quantity at any time.
A kind of LNG cold energy use dual temperature air conditioning system the most according to claim 1, it is characterised in that
Described first temperature sensor (4) is third party's medium temp sensor, described second temperature sensor (9)
Being the defrosting temperature sensor of air-conditioning (8), three-temperature sensor (10) is that air-conditioning (8) indoor temperature passes
Sensor, the 4th temperature sensor (13) is the spin manifold temperature sensor of refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510382158.4A CN106314067A (en) | 2015-07-03 | 2015-07-03 | LNG cold energy utilization dual-temperature air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510382158.4A CN106314067A (en) | 2015-07-03 | 2015-07-03 | LNG cold energy utilization dual-temperature air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106314067A true CN106314067A (en) | 2017-01-11 |
Family
ID=57726738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510382158.4A Pending CN106314067A (en) | 2015-07-03 | 2015-07-03 | LNG cold energy utilization dual-temperature air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106314067A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345728A (en) * | 2017-06-16 | 2017-11-14 | 上海工程技术大学 | A kind of cold energy of liquefied natural gas peculiar to vessel is used for the System and method for of freezer refrigerating |
| CN107672418A (en) * | 2017-08-03 | 2018-02-09 | 丹阳市利旺车辆部件有限公司 | A kind of unpowered mounted air conditioner system |
| CN109484129A (en) * | 2018-11-27 | 2019-03-19 | 嘉兴学院 | The energy recovery utilizing system of the gas-electricity power combined bus of LNG |
| CN113022264A (en) * | 2021-03-11 | 2021-06-25 | 中国重汽集团济南动力有限公司 | Liquefied natural gas heavy truck cold energy utilization system and control method |
-
2015
- 2015-07-03 CN CN201510382158.4A patent/CN106314067A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345728A (en) * | 2017-06-16 | 2017-11-14 | 上海工程技术大学 | A kind of cold energy of liquefied natural gas peculiar to vessel is used for the System and method for of freezer refrigerating |
| CN107672418A (en) * | 2017-08-03 | 2018-02-09 | 丹阳市利旺车辆部件有限公司 | A kind of unpowered mounted air conditioner system |
| CN109484129A (en) * | 2018-11-27 | 2019-03-19 | 嘉兴学院 | The energy recovery utilizing system of the gas-electricity power combined bus of LNG |
| CN113022264A (en) * | 2021-03-11 | 2021-06-25 | 中国重汽集团济南动力有限公司 | Liquefied natural gas heavy truck cold energy utilization system and control method |
| CN113022264B (en) * | 2021-03-11 | 2022-05-17 | 中国重汽集团济南动力有限公司 | Liquefied natural gas heavy truck cold energy utilization system and control method |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170111 |