CN110497770B - Heat recovery system and fuel cell vehicle - Google Patents
Heat recovery system and fuel cell vehicle Download PDFInfo
- Publication number
- CN110497770B CN110497770B CN201910945597.XA CN201910945597A CN110497770B CN 110497770 B CN110497770 B CN 110497770B CN 201910945597 A CN201910945597 A CN 201910945597A CN 110497770 B CN110497770 B CN 110497770B
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- heating
- recovery system
- heat recovery
- fuel cell
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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
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
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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
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
- B60H1/00564—Details of ducts or cables of air ducts
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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
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/14—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit
- B60H1/18—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit the air being heated from the plant exhaust gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/08—Air inlets for cooling; Shutters or blinds therefor
- B60K11/085—Air inlets for cooling; Shutters or blinds therefor with adjustable shutters or blinds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a heat recovery system and a fuel cell vehicle, wherein the heat recovery system comprises an air inlet grid, a radiator, a heating air channel and an air deflector, the radiator is positioned between the air inlet grid and the heating air channel, an air inlet of the heating air channel is arranged towards the radiator, the air inlet of the heating air channel is provided with the air deflector which can be opened and closed, and the heating air channel is arranged on a bottom plate of a cab in an extending manner. The scheme recovers the heat generated by heating air when the cooling liquid flows through the radiator, supplies heat for the cab, and reduces the power consumption of the traditional heating system, thereby reducing the hydrogen consumption of the fuel cell engine in winter and prolonging the driving mileage of the whole vehicle.
Description
Technical Field
The invention relates to the technical field of fuel cell vehicles, in particular to a heat recovery system and a fuel cell vehicle.
Background
A fuel cell is a device that directly converts chemical energy of fuel into electric energy, and the electric energy is continuously generated as long as the fuel is continuously supplied; for a hydrogen fuel cell vehicle, the raw materials for the reaction are hydrogen and oxygen, the reaction site is a galvanic pile, and the reaction product is water; actually, the oxygen as the reaction raw material enters the electric pile to participate in the reaction through an air compressor, an intercooler and the like, the supplied air is excessive, and the redundant air can be discharged out of the electric pile with the reaction product (water) and directly discharged into the atmosphere through an exhaust pipe; after being pressurized by an air compressor, the air has high temperature (above 150 ℃), is radiated by an intercooler and then enters the galvanic pile, and the mixture of the air and the water which is discharged from the galvanic pile has high temperature (60-80 ℃). In addition, the air compressor, the controller, the DCDC and the like can generate a large amount of heat during working, and the heat is dissipated into the atmosphere through cooling liquid or directly, so that energy waste is caused.
Therefore, the patent provides that the tail exhaust gas-water mixture and the cooling liquid are recovered through the heat in the radiator to supply heat for the truck cab, and the power consumption of the traditional heating system (an electric air conditioner or an electric heater) is reduced, so that the hydrogen consumption of the fuel cell engine in winter is reduced, and the driving mileage of the whole truck is improved.
Therefore, how to recycle the excess heat of the fuel cell vehicle and reduce the waste of energy is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention is directed to a heat recovery system for recovering heat of a fuel cell vehicle and heating the vehicle, so as to reduce energy waste. It is another object of the present invention to provide a fuel cell vehicle.
In order to achieve the purpose, the invention provides the following technical scheme:
the heat recovery system is used for a fuel cell vehicle and comprises an air inlet grid, a radiator, a heating air channel and an air deflector, wherein the radiator is located between the air inlet grid and the heating air channel, an air inlet of the heating air channel faces the radiator, the air inlet of the heating air channel is provided with the air deflector which can be opened and closed, and the heating air channel is arranged on a cab bottom plate in an extending mode.
Preferably, when the air inlet is closed by the air deflector, an air guide surface for dispersing air flow to the outside of the heating air duct is formed on the outer side surface of the air deflector.
Preferably, the air deflector comprises at least one sliding plate, the sliding plate is arranged obliquely relative to the air outlet direction of the radiator, the sliding plate is connected with the edge of the air inlet in a sliding manner along the extending direction of the sliding plate, and when the air deflector closes the air inlet, a wedge-shaped surface or a conical surface protruding towards the radiator is formed on the outer side of the air deflector.
Preferably, the sliding plate is in relative sliding connection with the air inlet through a sliding driving part.
Preferably, the heating air duct is disposed below the cab floor.
Preferably, above-mentioned heat recovery system still includes tail heat recovery system, tail heat recovery system includes fuel cell engine, tail row pipeline, three-way valve, blast pipe, air duct, heating air flue and the pipeline of giving vent to anger, the fuel cell engine passes through tail row pipeline connect in the air inlet of three-way valve, the first gas outlet of three-way valve connect in the blast pipe, the second gas outlet of three-way valve passes through the air duct connect in the heating air flue, the heating air flue extend arrange in the driver's cabin bottom plate, the heating air flue connect in the pipeline of giving vent to anger, the gas outlet of the pipeline of giving vent to anger communicates in the driver's cabin outside.
Preferably, the air guide pipe is arranged in a downward inclination mode along the air flow direction, and a water drainer is arranged at the joint of the air guide pipe and the heating air passage.
Preferably, a drain groove is arranged inside the heating air flue.
The working principle of the scheme is as follows:
an operator controls the opening and closing states of the air inlet of the heating air duct through the air deflector according to whether the operator has a heating requirement. When heating is not needed, the air guide plate closes the air inlet of the heating air duct, air blown by the air inlet grille is changed into hot air through the radiator, and the hot air blown by the radiator flows through the outer side of the heating air duct along the air guide plate, so that heat is not supplied to the cab; when heating is needed to be started, the air inlet of the heating air channel is opened through the air deflector, hot air blown by the radiator directly enters the heating air channel, and therefore heat in the hot air is conducted to the bottom plate of the cab, and heating of the cab is achieved.
The scheme has the following beneficial effects: the scheme recovers the heat generated by heating air when the cooling liquid flows through the radiator, supplies heat for the cab, and reduces the power consumption of the traditional heating system, thereby reducing the hydrogen consumption of the fuel cell engine in winter and prolonging the driving mileage of the whole vehicle.
The invention also provides a fuel cell vehicle comprising a heat recovery system as described above. The derivation process of the beneficial effect of the fuel cell vehicle is substantially similar to the derivation process of the beneficial effect of the heat recovery system, and therefore, the description is omitted here.
Preferably, the fuel cell vehicle is a truck.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a heat recovery system in an embodiment of the invention;
FIG. 2 is a schematic view of a closed state of an air deflector according to an embodiment of the present invention;
FIG. 3 is a schematic view illustrating an opening state of an air deflector according to an embodiment of the present invention;
fig. 4 is a flow chart of a control strategy for a heat recovery system in an embodiment of the invention.
In fig. 1 to 3:
1-an air inlet grille, 2-a radiator, 3-an air deflector, 4-a heating air channel, 5-a fuel cell engine, 6-a tail exhaust pipeline, 7-an exhaust pipe, 8-a three-way valve, 9-an air guide pipe, 10-a drainer, 11-a heating air channel and 12-an air outlet pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 2 and 3, fig. 2 is a schematic view illustrating a closed state of an air guiding plate according to an embodiment of the present invention; fig. 3 is a schematic view illustrating an opening state of the air guiding plate according to an embodiment of the invention.
In order to reduce the waste of heat, the invention provides a heat recovery system for a fuel cell vehicle, which comprises an air inlet grid 1, a radiator 2, a heating air duct 4 and an air deflector 3, wherein the radiator 2 is positioned between the air inlet grid 1 and the heating air duct 4, an air inlet of the heating air duct 4 is arranged towards the radiator 2, the air inlet of the heating air duct 4 is provided with the air deflector 3 which can be opened and closed, and the heating air duct 4 is arranged on a bottom plate of a cab in an extending manner.
The working principle of the scheme is as follows:
the heat in the coolant brought out by the radiator 2 is led into the heating air duct 4 along with the air flow, so that heat can be supplied to the cab. An operator controls the opening and closing states of the air inlet of the heating air duct 4 through the air deflector 3 according to whether the operator has a heating requirement. When heating is not needed, the air guide plate 3 closes an air inlet of the heating air duct 4, air blown by the air inlet grille 1 is changed into hot air through the radiator 2, and the hot air blown by the radiator 2 flows through the outer side of the heating air duct 4 along the air guide plate 3 without supplying heat to the cab; when heating is needed to be started, the air inlet of the heating air channel 4 is opened through the air deflector 3, and hot air blown by the radiator 2 directly enters the heating air channel 4, so that heat in the hot air is conducted to the bottom plate of the cab, and heating of the cab is achieved.
The opening of the intake grille 1 can be changed by a controller to adjust the amount of air entering the radiator 2. The air deflector 3 can change the opening and closing state of the heating air duct 4 through a controller.
The specific implementation mode is as follows: the external environment temperature is fed back to the traveling crane computer through the temperature sensor, the traveling crane computer sends an instruction to the controller to control the opening degree of the air inlet grille 1, and then the air inflow of the air inlet grille 1 entering the radiator 2 outside the locomotive is controlled, the opening degree of the air inlet grille 1 is increased in summer, the air inflow of the air inlet grille 1 entering the radiator 2 is increased, the opening degree of the air inlet grille 1 is reduced or even closed in winter, the air inflow of the air inlet grille 1 entering the radiator 2 is reduced, and the fuel cell engine can.
Preferably, when the air deflector 3 closes the air inlet, the outer surface of the air deflector 3 forms an air guiding surface for dispersing the air flow to the outside of the heating air duct 4. The problem of unsmooth air current has been avoided in the setting of wind-guiding face, and the wind-guiding face still has the effect of dispersed air current, avoids aviation baffle 3 atress too big and takes place to damage.
Preferably, the air guiding plate 3 includes at least one sliding plate, the sliding plate is arranged obliquely relative to the air outlet direction of the heat sink 2, the sliding plate is connected with the edge of the air inlet in a sliding manner along the extending direction of the sliding plate, and when the air guiding plate 3 closes the air inlet, the outer side of the air guiding plate 3 forms a wedge-shaped surface or a conical surface protruding towards the heat sink 2, as shown in fig. 2.
Further preferably, the sliding plate is in relative sliding connection with the air inlet through a sliding driving part. The sliding driving part can be a motor, a linear motor, a cylinder or a crank connecting rod driving mechanism and the like, and the details are not repeated.
Preferably, the heating air duct 4 is arranged below the floor of the cab. Of course, the present invention can also arrange the heating air duct 4 at the top or the side wall of the cab, and the like, so that both functions of heating and warming can be achieved.
Referring to fig. 1, fig. 1 is a schematic view of an arrangement structure of a heat recovery system in an embodiment of the invention. Preferably, the heat recovery system further comprises a tail exhaust heat recovery system, the tail exhaust heat recovery system comprises a fuel cell engine 5, a tail exhaust pipeline 6, a three-way valve 8, an exhaust pipe 7, an air duct 9, a heating air duct 11 and an air outlet pipeline 12, the fuel cell engine 5 is connected to an air inlet of the three-way valve 8 through the tail exhaust pipeline 6, a first air outlet of the three-way valve 8 is connected to the exhaust pipe 7, and a tail exhaust water mixture of the fuel cell engine 5 is directly exhausted into the atmosphere; the second gas outlet of three-way valve 8 passes through air duct 9 to be connected in heating air flue 11, and heating air flue 11 extends to arrange in the driver's cabin bottom plate, and heating air flue 11 is connected in outlet duct 12, and the gas outlet of outlet duct 12 communicates in the driver's cabin outside, and the tail exhaust gas through heating air flue 11 is discharged into the atmosphere through outlet duct 12.
The specific implementation process of the tail heat discharge recovery system is as follows: when the fuel cell engine 5 works normally, the gas-water mixture at the outlet of the galvanic pile reaches the three-way valve 8 through the tail exhaust pipeline 6, and when the cab needs to be heated, the three-way valve 8 closes the valve which is communicated with the exhaust pipe 7, so that the tail exhaust gas enters the gas guide pipe 9. The tail exhaust body that gets into in the air duct 9 through three-way valve 8 lets in heating air flue 11, and heating air flue 11 is located the driver's cabin bottom plate, and the tail exhaust gas that gets into heating air flue 11 can be with heat conduction to driver's cabin bottom plate to the realization is to the heating of driver's cabin.
Preferably, the air duct 9 is arranged to incline downwards along the airflow direction, and a water drainer 10 is arranged at the joint of the air duct 9 and the heating air duct 11. The condensed liquid water in the tube flows to the drainer 10 along the inclined direction of the gas guide tube 9, and the drainer 10 discharges the liquid water in the gas guide tube 9 and the heating gas passage 11.
Preferably, a drainage groove is arranged in the heating air flue 11, condensed liquid water generated by the gas-water mixture in the tail row through the heating air flue 11 passes through the drainage groove, one part of the condensed liquid water is discharged through the air outlet pipeline 12, and the other part of the condensed liquid water flows back to the air guide pipe 9 and is discharged through the drainer 10.
The control strategy of the whole fuel cell engine heat recovery heating system is shown in fig. 4, and specifically comprises the following steps:
a user actively starts a heating system of the cockpit, selects a heating mode according to the self requirement, and exits the system if the heating mode is not selected;
when the auxiliary heating mode is selected, starting the heat recovery system; when the energy-saving mode is selected, the heat recovery system and the electric air conditioner or the electric heater system are started simultaneously; when the conventional mode is selected, only the electric air conditioner or the electric heater system is started, and the heating system is started;
after the heat recovery system is started, the controller controls the opening state of the three-way valve 8 and controls the opening state of the heating air duct 4; when the three-way valve 8 is controlled to enable the tail exhaust gas to enter the heating air flue 11, auxiliary heating of a cab is achieved, and exhaust is achieved through the air outlet pipeline 12; when the heating air duct 4 is controlled to open the air inlet, hot air of the radiator 2 enters the heating air duct 4 to heat the cab; at this time, the heating system is turned on.
The scheme has the following beneficial effects:
1) the method for heating the cab of the vehicle by recovering the heat of the gas-water mixture discharged from the tail of the fuel cell engine and the heat of the cooling liquid flowing through the radiator is provided, and the power consumption of the traditional heating system (an electric air conditioner or an electric heater) is reduced, so that the hydrogen consumption of the fuel cell engine in winter is reduced, and the driving mileage of the whole vehicle is prolonged;
2) the control strategy of the heat recovery heating system is provided, so that the cockpit can be independently heated, the electric air conditioner (electric heater) can be used for assisting or only using the electric air conditioner to heat the cockpit, and a user can flexibly select the control strategy.
The invention also provides a fuel cell vehicle comprising a heat recovery system as described above. The derivation process of the beneficial effect of the fuel cell vehicle is substantially similar to the derivation process of the beneficial effect of the heat recovery system, and therefore, the description is omitted here. Preferably, the fuel cell vehicle is a truck.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A heat recovery system is used for a fuel cell vehicle and comprises an air inlet grille (1), a radiator (2) and is characterized by further comprising a heating air channel (4), an air deflector (3) and a tail exhaust heat recovery system, wherein the radiator (2) is located between the air inlet grille (1) and the heating air channel (4), an air inlet of the heating air channel (4) faces the radiator (2), the air inlet of the heating air channel (4) is provided with the air deflector (3) capable of being opened and closed, and the heating air channel (4) is arranged on a cab bottom plate in an extending mode; when the air inlet is closed by the air deflector (3), an air guide surface for dispersing air flow to the outer side of the heating air duct (4) is formed on the outer side surface of the air deflector (3);
tail heat extraction recovery system includes fuel cell engine (5), tail exhaust pipe way (6), three-way valve (8), blast pipe (7), air duct (9), heating air flue (11) and pipeline (12) of giving vent to anger, fuel cell engine (5) pass through tail exhaust pipe way (6) connect in the air inlet of three-way valve (8), the first gas outlet of three-way valve (8) connect in blast pipe (7), the second gas outlet of three-way valve (8) passes through air duct (9) connect in heating air flue (11), heating air flue (11) extend arrange in the driver's cabin bottom plate, heating air flue (11) connect in pipeline (12) of giving vent to anger, the gas outlet of pipeline (12) of giving vent to anger communicates in the driver's cabin outside.
2. The heat recovery system according to claim 1, wherein the air deflector (3) comprises at least one sliding plate, the sliding plate is arranged obliquely with respect to the air outlet direction of the radiator (2), the sliding plate is connected with the edge of the air inlet in a sliding manner along the extending direction of the sliding plate, and when the air deflector (3) closes the air inlet, the outer side of the air deflector (3) forms a wedge-shaped surface or a conical surface protruding towards the radiator (2).
3. The heat recovery system of claim 2 wherein the sliding plate is in relative sliding connection with the air intake via a sliding drive member.
4. The heat recovery system according to claim 1, characterized in that the heating air duct (4) is arranged below the cab floor.
5. The heat recovery system according to claim 1, wherein the air duct (9) is arranged obliquely downwards in the direction of the air flow, and a drain (10) is provided at the connection of the air duct (9) to the heating air duct (11).
6. A heat recovery system according to claim 1, characterised in that the heating air duct (11) is internally provided with a drainage channel.
7. A fuel cell vehicle characterized by comprising the heat recovery system according to any one of claims 1 to 6.
8. The fuel cell vehicle according to claim 7, characterized in that the fuel cell vehicle is a truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910945597.XA CN110497770B (en) | 2019-09-30 | 2019-09-30 | Heat recovery system and fuel cell vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910945597.XA CN110497770B (en) | 2019-09-30 | 2019-09-30 | Heat recovery system and fuel cell vehicle |
Publications (2)
| Publication Number | Publication Date |
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| CN110497770A CN110497770A (en) | 2019-11-26 |
| CN110497770B true CN110497770B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910945597.XA Active CN110497770B (en) | 2019-09-30 | 2019-09-30 | Heat recovery system and fuel cell vehicle |
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| CN (1) | CN110497770B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111674231A (en) * | 2020-05-26 | 2020-09-18 | 博雷顿科技有限公司 | Pure electric heavy truck cab heating system |
| US20230415563A1 (en) * | 2020-11-24 | 2023-12-28 | Volvo Truck Corporation | Vehicle cab arrangement with vertically extending cooling radiator |
| CN113130935A (en) * | 2021-04-13 | 2021-07-16 | 上海高诗汽车科技有限公司 | Fuel cell tail heat extraction energy cyclic utilization system |
| CN115284994B (en) * | 2022-07-27 | 2024-04-26 | 中国重汽集团济南专用车有限公司 | Tail gas heating device for coupler arm vehicle and coupler arm vehicle |
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| CN102826004A (en) * | 2011-06-15 | 2012-12-19 | 通用汽车环球科技运作有限责任公司 | Rejection of under-hood airflow |
| CN203078258U (en) * | 2013-03-04 | 2013-07-24 | 张楚慧 | Exhaust gas warming system for cab |
| JP5338689B2 (en) * | 2010-01-20 | 2013-11-13 | トヨタ車体株式会社 | In-car duct blowout grill |
| CN106812583A (en) * | 2015-12-01 | 2017-06-09 | 北汽福田汽车股份有限公司 | A kind of cooling system and vehicle |
| CN206436767U (en) * | 2016-11-25 | 2017-08-25 | 三一汽车制造有限公司 | Driver's cabin heater, warm air system and driver's cabin and engineering machinery |
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2019
- 2019-09-30 CN CN201910945597.XA patent/CN110497770B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5338689B2 (en) * | 2010-01-20 | 2013-11-13 | トヨタ車体株式会社 | In-car duct blowout grill |
| CN102826004A (en) * | 2011-06-15 | 2012-12-19 | 通用汽车环球科技运作有限责任公司 | Rejection of under-hood airflow |
| CN203078258U (en) * | 2013-03-04 | 2013-07-24 | 张楚慧 | Exhaust gas warming system for cab |
| CN106812583A (en) * | 2015-12-01 | 2017-06-09 | 北汽福田汽车股份有限公司 | A kind of cooling system and vehicle |
| CN206436767U (en) * | 2016-11-25 | 2017-08-25 | 三一汽车制造有限公司 | Driver's cabin heater, warm air system and driver's cabin and engineering machinery |
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| Publication number | Publication date |
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| CN110497770A (en) | 2019-11-26 |
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