CN106593797A - Automobile waste heat recycling thermodynamic cycle system - Google Patents
Automobile waste heat recycling thermodynamic cycle system Download PDFInfo
- Publication number
- CN106593797A CN106593797A CN201610912855.0A CN201610912855A CN106593797A CN 106593797 A CN106593797 A CN 106593797A CN 201610912855 A CN201610912855 A CN 201610912855A CN 106593797 A CN106593797 A CN 106593797A
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- Prior art keywords
- heat exchanger
- temperature side
- series
- pump
- export
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000002918 waste heat Substances 0.000 title claims abstract description 22
- 238000004064 recycling Methods 0.000 title abstract 2
- 239000007789 gas Substances 0.000 claims abstract description 25
- 239000010687 lubricating oil Substances 0.000 claims abstract description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 26
- 230000004087 circulation Effects 0.000 claims description 24
- 239000000498 cooling water Substances 0.000 claims description 19
- 230000008676 import Effects 0.000 claims description 14
- 229910021529 ammonia Inorganic materials 0.000 claims description 13
- 239000003921 oil Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G6/00—Devices for producing mechanical power from solar energy
- F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
- F03G6/065—Devices for producing mechanical power from solar energy with solar energy concentrating means having a Rankine cycle
- F03G6/067—Binary cycle plants where the fluid from the solar collector heats the working fluid via a heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
- F01K25/106—Ammonia
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
- F02G5/02—Profiting from waste heat of exhaust gases
- F02G5/04—Profiting from waste heat of exhaust gases in combination with other waste heat from combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G2260/00—Recuperating heat from exhaust gases of combustion engines and heat from cooling circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G2262/00—Recuperating heat from exhaust gases of combustion engines and heat from lubrication circuits
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses an automobile waste heat recycling thermodynamic cycle system. The inlet end of a working medium pump (7) is connected with the outlet end of an expander (13) in series. The outlet end of the working medium pump (7) is connected with the inlet end of the high-temperature side of a heat exchanger (8) in series. The outlet end of the high-temperature side of the heat exchanger (8) is connected with the inlet end of the low-temperature side of a heat exchanger (5) in series. The outlet end of the low-temperature side of the heat exchanger (5) is connected with the inlet end of the low-temperature side of a lubricating oil heat exchanger (6) in series. The outlet end of the low-temperature side of the lubricating oil heat exchanger (6) is connected with the inlet end of the low-temperature side of a tail gas heat exchanger (1) in series. The outlet end of the low-temperature side of the tail gas heat exchanger (1) is connected with an inlet of the expander in series. The high-temperature side of the lubricating oil heat exchanger (6) is connected with a lubricating oil circulating pump (4) in series. Tail gas of an engine (2) is connected to the high-temperature side of the tail gas heat exchanger (1). The high-temperature side of the heat exchanger (5) is connected with a pump (3) in series, and the pump (3) is connected with a plate type solar heat collector (19) in series.
Description
Technical field
The present invention relates to heat recovery technology field, and in particular to vehicle waste heat recovery technology.
Background technology
With heat energy such as the worsening shortages of non-renewable resources, solar energy, geothermal energy, engine exhaust heat, industrial exhaust heats
Once again the evaluation and exploration technology of recovery and utilization technology and new forms of energy has become one of important topic of countries in the world today research.
For automobile, direct driving force of its electromotor frequently with internal combustion engine as automobile is originated, and the chemical energy of fuel oil is converted into
The kinetic energy of automobile, raising makes full use of rate to fuel oil, can substantially improve automobile engine performance.Show according to correlational study, vapour
The utilization rate of car engine fuel mixture energy only only has 1/3rd or so, and remaining heat is mostly with cooling water and tail
The form of gas is directly discharged in the middle of air, what this portion of energy theoretically can be utilized once again.This portion of energy is obtained
Recycle, on the one hand can improve the overall efficiency of electromotor, on the other hand the consumption of save energy reduce electromotor and do
Radiating power consumption during work(, improves environmental quality, slows down the trend of global air temperature warming.
China's most area is in sunshine-duration relatively long region, therefore, solar energy is right as one of new forms of energy
It is sufficiently recycled, and will effectively save the use of non-renewable energy resources, and for large intercity bus, its roof is big
Area it is vacant, or as luggage carrier, wasting space, if can be vacant by this part under conditions of car weight is increased not too much
Space be used for reclaim solar energy, the power supply as devices such as air conditioning for automobiles, instrument not only can improve the efficiency of electromotor,
Also can save energy consumption.
For now, the utilization to motorbus roof space is less, and profit once again is simply carried out to the waste heat of electromotor
With.Traditional method mainly has three kinds：Thermo-electric generation is carried out using engine exhaust heat, is warmed oneself or is inhaled using engine exhaust heat
Receipts formula is freezed, is done work using engine exhaust heat.And it is very low using aerofluxuss thermo-electric generation energy conversion efficiency.It is actual in experiment
Conversion efficiency of thermoelectric is about 2% or so, and the conversion efficiency highest of same device only has 10% or so；Can only be in electromotor work
In the case of just can serve as heating.In whole engine exhaust heat recovery system, Rankine cycle system is usually using water as work
Matter, due to the boiling point of water it is higher, it is not easy to volatilize, this cause engine exhaust heat reclaim efficiency comparison it is low.
The content of the invention
It is an object of the invention to provide the circulation system that a kind of vehicle waste heat is reclaimed.
The present invention is the circulation system that vehicle waste heat is reclaimed, and has a cooling water heat exchanger 10, the import of working medium pump 7
End is connected in series with the port of export of decompressor 13, and the port of export of working medium pump 7 is then connected with the high temperature side entrance point of heat exchanger 8, heat exchange
The port of export of the high temperature side of device 8 is connected with the entrance point of the low temperature side of heat exchanger 5, the port of export and the lubrication of the low temperature side of heat exchanger 5
The entrance point of the low temperature side of oil heat exchanger 6 is connected in series, the port of export and the tail gas heat exchanger 1 of the low temperature side of lubricating oil heat exchanger 6
The entrance point series connection of low temperature side, the port of export of the low temperature side of tail gas heat exchanger 1 is connected with the import of decompressor, lubricating oil heat exchanger
6 high temperature sides are connected with oil circulation pump 4, and the high temperature side of tail gas heat exchanger 1 accesses the tail gas of electromotor 2；The high temperature of heat exchanger 5
Side is connected with the first pump 3, and the first pump 3 is connected with plate-type solar thermal collector 19.
Usefulness of the present invention is：It is large-scale to reclaim by the way of organic rankine cycle system and the circulation coupling of card Linne
Vehicle roof solar energy, engine tail gas waste-heat, lubricating oil and engine cooling water waste heat.Improve the machinery effect of electromotor
Rate, saves the use of non-renewable energy resources.In addition, above-mentioned technical proposal also by heat exchange realize higher temperatures organic Rankine bottoming cycle with
Heat exchange between the circulation of low temperature card Linne, the heat transfer of Working medium gas is to low temperature after higher temperatures organic Rankine bottoming cycle is done work
Card Linne is circulated so as to realize the preheating of cycle fluid, further increases waste heat recovery efficiency.
Description of the drawings
Fig. 1 is the structural representation of the present invention, and reference and correspondence are entitled：Tail gas heat exchanger 1, electromotor 2, first
Pump 3, oil circulation pump 4, heat exchanger 5, lubricating oil heat exchanger 6, working medium pump 7, heat exchanger 8, cooling water circulating pump 9 is cold
But water- to-water heat exchanger 10, regenerator 11, electromotor 12, decompressor 13, separator 14, decompressor 15, choke valve 16, low-pressure condenser
17, the second pump 18, plate-type solar thermal collector 19.
Specific embodiment
The present invention is the circulation system that vehicle waste heat is reclaimed, as shown in figure 1, having a cooling water heat exchanger 10, work
The entrance point of matter pump 7 is connected in series with the port of export of decompressor 13, the port of export of working medium pump 7 then with the high temperature side-entrance of heat exchanger 8
End series connection, the port of export of the high temperature side of heat exchanger 8 connects with the entrance point of the low temperature side of heat exchanger 5, and the low temperature side of heat exchanger 5 goes out
Mouth end is connected in series with the entrance point of the low temperature side of lubricating oil heat exchanger 6, the port of export and tail of the low temperature side of lubricating oil heat exchanger 6
The entrance point series connection of the low temperature side of gas heat exchanger 1, the port of export of the low temperature side of tail gas heat exchanger 1 is connected with the import of decompressor, is lubricated
The high temperature side of oil heat exchanger 6 is connected with oil circulation pump 4, and the high temperature side of tail gas heat exchanger 1 accesses the tail gas of electromotor 2；Heat is handed over
The high temperature side of parallel operation 5 is connected with the first pump 3, and the first pump 3 is connected with plate-type solar thermal collector 19.
As shown in figure 1, during the card Linne for reclaiming engine cooling water is circulated, the low temperature side of cooling water heat exchanger 10
Entrance point is in parallel with the entrance point of the low temperature side of regenerator 11, and entrance point is connected with the port of export of the low temperature side of heat exchanger 8 after parallel connection, and
The port of export is connected with the import of separator 14 after connection, and one end outlet of separator 14 is connected with the import of decompressor 15, separator
14 other end outlet is connected with the high temperature side entrance point of regenerator 11, the high temperature side port of export connection throttling of low-pressure condenser 17
The import of valve 16, the outlet of decompressor 15 is in parallel with the outlet of choke valve 16, with the high temperature side of low-pressure condenser 17 after parallel connection
Import is connected, and the outlet of the high temperature side of low-pressure condenser 17 is connected with the import of the second pump 18, and the outlet of the second pump 18 is low with heat exchanger 8
The entrance point of warm side is in series, and the high temperature side of cooling water heat exchanger 10 is in series with cooling water circulating pump 9.
The circulation system that vehicle waste heat in accordance with the above is reclaimed, for reclaiming the card Linne of engine cooling water
Rich ammonia steam of the circulation using ammonia content more than 90%.
The circulation system that vehicle waste heat in accordance with the above is reclaimed, for reclaiming engine tail gas waste-heat, lubrication
The higher temperatures organic rankine cycle system of oily waste heat and roof solar energy is using Organic substance as the working media for circulating.Using ammonia
Water mainly considers the characteristics of ammonia critical temperature is relatively low as the working medium that low temperature card Linne is circulated.Higher temperatures organic Rankine is followed
Loop systems blood circulation with reclaim solar energy system heat exchange by heat exchanger 5 realize couple, organic Rankine bottoming cycle with it is low
Heat exchange between warm card Linne circulation realizes coupling by heat exchanger 8.
Specific work process of the present invention is as follows：
Solar heat is collected by roof plate-type solar thermal collector 20, the working medium in higher temperatures organic Rankine bottoming cycle exists first
There is heat exchange with the solar heat collected in heat exchanger 5, the working medium in organic Rankine bottoming cycle is to organic Rankine bottoming cycle
In working medium carry out the pre-heat treatment, the working medium after preheating enter lubricating oil heat exchanger 6 in high temperature grease occur heat hand over
Change, lubricating oil is cooled down, the tail gas heat exchanger 1 that afterwards working medium is entered in gasoline engine exhaust pipe, this is organic bright
The principal heat exchange of willing cycle fluid, the waste heat from tail gas discharged with electromotor in tail gas heat exchanger 1 carries out heat exchange, makes
Working medium fully absorbs heat into the steam of High Temperature High Pressure, into decompressor 13, drives decompressor externally to do work, working medium Jing after acting
Pump 7 is entered in heat exchanger 8, and 8 circulate heat release to low temperature card Linne in heat exchanger, while higher temperatures organic Rankine bottoming cycle working medium is cold
Congeal into enter in heat exchanger 5 after saturated solution, complete Rankine cycle part.
In the circulation of low temperature card Linne, its working medium is the ammonia spirit that ammonia content is 85% or so, and working medium passes through first heat exchanger
8, the heat of organic Rankine bottoming cycle working substance steam is absorbed in heat exchanger 8, preheated.Cycle fluid after preheating is divided into ammonia and contains
The constant two parts of amount, are partly into cooling water heat exchanger 10, and the heat of cooling water is absorbed in cooling water heat exchanger 10
Amount another part working medium is into regenerator 11 and the working medium stream that one ammonia content separated from separator 14 is 45% or so
Deliver to the first regenerator 11 carries out heat exchange with a part of working medium for completing to preheat in heat exchanger 8, and one ammonia content is more than 90%
Working medium streaming externally do work to decompressor, the steam after acting and one ammonia content flowed out from regenerator 11 are 85% left
Right working medium mixing, becomes the ammonia spirit that ammonia content is 85% or so again, low-pressure condenser 17 is delivered to afterwards, in low pressure cold
The second pump 18 is entered after condensing in condenser 17, low temperature card Linne cyclic part is completed.
Wherein, cooling water circulation, lubrication oil circulation and solar energy reclaim circulation respectively by cooling water circulating pump 9, profit
The pump 3 of lubricating oil circulating pump 4 and first is completed.
Claims (4)
1. the circulation system that vehicle waste heat is reclaimed, there is a cooling water heat exchanger（10), it is characterised in that：Working medium pump（7）
Entrance point and decompressor（13）The port of export be connected in series, working medium pump（7）The port of export then with heat exchanger（8）High temperature side-entrance
End series connection, heat exchanger（8）The port of export and heat exchanger of high temperature side（5）The entrance point series connection of low temperature side, heat exchanger（5）Low temperature
The port of export and lubricating oil heat exchanger of side（6）The entrance point of low temperature side is connected in series, lubricating oil heat exchanger（6）Low temperature side
The port of export and tail gas heat exchanger（1）The entrance point series connection of low temperature side, tail gas heat exchanger（1）The port of export of low temperature side and decompressor
Import is connected, lubricating oil heat exchanger（6）High temperature side and oil circulation pump（4）Series connection, tail gas heat exchanger（1）High temperature side joint
Enter electromotor（2）Tail gas；Heat exchanger（5）High temperature side and the first pump（3）Series connection, the first pump（3）With plate-type solar thermal-arrest
Device（19）Series connection.
2. the circulation system that according to claim 1 vehicle waste heat is reclaimed, it is characterised in that：It is cold for reclaiming electromotor
But in the card Linne circulation of water, cooling water heat exchanger（10）The entrance point and regenerator of low temperature side（11）The entrance point of low temperature side
Parallel connection, entrance point and heat exchanger after parallel connection（8）The port of export series connection of low temperature side, the port of export and separator after parallel connection（14）Import
Series connection, separator（14）One end outlet and decompressor（15）Import series connection, separator（14）The other end outlet and backheat
Device（11）High temperature side entrance point series connection, low-pressure condenser（17）The high temperature side port of export connection choke valve（16）Import, it is swollen
Swollen machine（15）Outlet and choke valve（16）Outlet it is in parallel, after parallel connection and low-pressure condenser（17）The import string of high temperature side
Connection, low-pressure condenser（17）The outlet of high temperature side and the second pump（18）Import is connected, the second pump（18）Outlet and heat exchanger（8）
The entrance point of low temperature side is in series, cooling water heat exchanger（10）High temperature side and cooling water circulating pump（9）It is in series.
3. the circulation system that according to claim 1 vehicle waste heat is reclaimed, it is characterised in that：It is cold for reclaiming electromotor
But the card Linne circulation of water is more than 90% rich ammonia steam using ammonia content.
4. the circulation system that according to claim 1 vehicle waste heat is reclaimed, it is characterised in that：For reclaiming engines tail
The higher temperatures organic rankine cycle system of gas waste heat, lubricating oil waste heat and roof solar energy is using Organic substance as the work for circulating
Medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912855.0A CN106593797A (en) | 2016-10-20 | 2016-10-20 | Automobile waste heat recycling thermodynamic cycle system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610912855.0A CN106593797A (en) | 2016-10-20 | 2016-10-20 | Automobile waste heat recycling thermodynamic cycle system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106593797A true CN106593797A (en) | 2017-04-26 |
Family
ID=58556173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610912855.0A Pending CN106593797A (en) | 2016-10-20 | 2016-10-20 | Automobile waste heat recycling thermodynamic cycle system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106593797A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107839630A (en) * | 2017-10-25 | 2018-03-27 | 华北电力大学 | The in-car timing refrigeration system that a kind of summer automobile high temperature utilizes |
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