CN113320354A - Heat radiation energy recovery system and method in engine compartment - Google Patents
Heat radiation energy recovery system and method in engine compartment Download PDFInfo
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- CN113320354A CN113320354A CN202110625091.8A CN202110625091A CN113320354A CN 113320354 A CN113320354 A CN 113320354A CN 202110625091 A CN202110625091 A CN 202110625091A CN 113320354 A CN113320354 A CN 113320354A
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- 238000011084 recovery Methods 0.000 title claims abstract description 86
- 230000005855 radiation Effects 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims abstract description 5
- 239000000110 cooling liquid Substances 0.000 claims description 33
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 19
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims 3
- 239000002826 coolant Substances 0.000 abstract description 12
- 239000000295 fuel oil Substances 0.000 abstract 1
- 239000012774 insulation material Substances 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 5
- 238000004064 recycling Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003574 free electron Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000005679 Peltier effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/025—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from both the cooling liquid and the exhaust gases of the propulsion plant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
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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
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a heat radiation energy recovery system and a recovery method suitable for an automobile engine cabin, the system comprises a Peltier heat exchange module, an engine cabin heat radiation energy recovery unit and a circulating medium control assembly, the Peltier heat exchange module absorbs and transmits exhaust radiation heat of an engine exhaust pipe, a coolant medium in an engine is heated at the engine cabin heat radiation energy recovery unit and enters a heat exchanger of a warm air system through the circulating medium control assembly, air blown by an air blower of the warm air system sends heat emitted by the heated coolant into a cab, the coolant medium enters the heat radiation energy recovery unit again through an electromagnetic flow distribution valve under the action of a water pump after the temperature of the coolant medium in the heat radiation process in the heat exchanger is reduced to form circulation, the heat radiation energy in the engine cabin is recovered and reused, and fuel oil consumption can be reduced, the whole vehicle is economical, energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the field of thermal radiation energy recovery, in particular to a thermal radiation energy recovery system and a thermal radiation energy recovery method suitable for an automobile engine compartment.
Background
The engine is an energy conversion device for converting heat energy into mechanical energy, the expansion work of high-temperature and high-pressure gas generated by fuel combustion in the current automobile engine is about 30 percent of energy utilization rate, and the rest heat is dissipated by the heat dissipation of an engine cylinder body and exhaust gas discharged by an exhaust system, wherein a considerable part of heat radiation energy is accumulated in an engine cabin.
The principle of the existing non-independent warm air system used by most passenger cars is that preheating of engine coolant medium circulating water is used as a heat source to be led into a warm air core body for heat exchange, and then warm air is sent into a driving room by an air blower at the front end of the warm air system to improve riding comfort.
Disclosure of Invention
The invention aims to provide a heat radiation energy recovery system and a heat radiation energy recovery method suitable for an automobile engine compartment, which are used for realizing the heat radiation energy recovery and reutilization in the engine compartment, improving the heat utilization rate generated by an engine and achieving the purpose of energy conservation.
In order to realize the purpose, the technical scheme of the invention is as follows:
a heat radiation energy recovery system in an engine cabin comprises an engine, and is characterized by further comprising a Peltier heat exchange module, an engine cabin heat radiation energy recovery unit and a circulating medium control assembly;
the Peltier heat exchange module is positioned in the engine compartment and comprises a cold end, a Peltier sheet group, a heat conduction pad and a hot end, wherein the cold end is positioned at a position close to the exhaust pipe in the engine compartment, the Peltier sheet group is arranged between the cold end and the hot end, and the heat conduction pads are respectively arranged between the cold end and the Peltier sheet group and between the Peltier sheet group and the hot end;
the engine room thermal radiation energy recovery unit is positioned in the engine room and comprises a heat exchange pipeline;
the circulating medium control assembly comprises a pipeline, and a distribution valve, a one-way valve and a flow collecting valve which are arranged on the pipeline, wherein the distribution valve is arranged on a water outlet pipe of the engine radiator, and the outlet end of the distribution valve is communicated with the inlet end of the one-way valve through the pipeline;
the heat end of the Peltier heat exchange module is fixed on the outer surface of a heat exchange pipeline of the engine room heat radiation energy recovery unit, the engine room heat radiation energy recovery unit is arranged on a pipeline of the circulating medium control assembly, the heat exchange pipeline of the engine room heat radiation energy recovery unit is communicated with the pipeline of the circulating medium control assembly, the one-way valve is arranged on the pipeline between the distribution valve and the engine room heat radiation energy recovery unit, and the flow collecting valve is arranged on the pipeline between the engine room heat radiation energy recovery unit and the heat exchanger of the warm air system.
Further, the cabin thermal radiation energy recovery unit further comprises a heat insulation material, and the heat insulation material wraps the outer surface of the heat exchange pipeline and is used for preventing the recovered heat from being dissipated.
Furthermore, the heat insulation material is high-temperature resistant cotton.
Furthermore, the pipeline of the circulating medium control assembly is an aluminum pipeline, the outlet end of the distribution valve is communicated with the inlet end of the one-way valve through an aluminum pipe, and the one-way valve, the cabin heat recovery unit and the collector valve are communicated through an aluminum pipe.
Further, the distribution valve is an electromagnetic flow distribution valve.
Furthermore, the cold end of the Peltier heat exchange module is fixed at a position close to the exhaust pipe in the engine compartment through a U-shaped clamp, and the hot end of the Peltier heat exchange module is fixed on the outer surface of the heat exchange pipeline of the heat radiation energy recovery unit of the engine compartment through the U-shaped clamp.
Further, the cabin thermal radiation energy recovery unit is fixed in the engine cabin by a fixing frame.
Further, the heat exchange pipeline of the cabin heat radiation energy recovery unit comprises a multi-section aluminum heat exchange pipeline with a U-shaped structure.
A method for realizing heat radiation energy recovery in an engine compartment by using the heat radiation energy recovery system in the engine compartment comprises the following steps:
fixing the cold end of the Peltier heat exchange module at a position close to an exhaust pipe in an engine compartment, fixing the hot end of the Peltier heat exchange module on the outer surface of a heat exchange pipeline of a heat radiation energy recovery unit of the engine compartment, absorbing exhaust radiation heat of the exhaust pipe of the engine by the Peltier heat exchange module, and transferring the absorbed heat from the cold end to the hot end through a heat conduction pad of the Peltier heat exchange module;
the heat at the hot end of the Peltier heat exchange module is transferred to a heat exchange pipeline of the heat radiation energy recovery unit of the engine room through thin-wall heat conduction;
a cooling liquid medium in an engine passes through a heat exchange pipeline of a distribution valve, a one-way valve and a cabin heat radiation energy recovery unit through a water pump, the temperature of the cooling liquid medium in the heat exchange pipeline is increased after the cooling liquid medium absorbs heat transmitted by thin-wall heat conduction, the heated cooling liquid medium enters a heat exchanger of a warm air system through a flow collecting valve, air blown by an air blower of the warm air system sends heat emitted by the heated cooling liquid into a cab, and the cooling liquid medium subjected to the heat dissipation process in the heat exchanger is reduced in temperature and then enters the heat radiation energy recovery unit again through the distribution valve under the action of the water pump to form circulation.
The invention has the beneficial effects that: compared with the common traditional warm air system, the recycling system and the recycling method can effectively recycle the heat radiation energy in the engine cabin for the warm air system, so that the temperature in the driving room is more easily and rapidly increased to improve the comfort of the driving room, and the effect is more remarkable particularly in low-temperature cold areas. The invention can absorb and utilize the exhaust radiation heat in the engine room because of effectively recycling and utilizing the heat radiation energy, thereby reducing the high-temperature aging of the plastic rubber parts of the engine room caused by the heat radiation, reducing the heat damage environment of the engine room and prolonging the temperature resistance service life of the plastic rubber parts.
Drawings
Fig. 1 is a schematic diagram of a peltier heat exchange module.
Fig. 2 is a schematic diagram of the principle of the present invention.
Fig. 3 is a schematic view of a thermal radiant energy recovery unit according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described with reference to the accompanying drawings.
In the present embodiment, the engine-cabin thermal radiation energy recovery system includes an engine, a peltier heat exchange module 11, a cabin thermal radiation energy recovery unit 12, a circulating medium control assembly;
as shown in fig. 1, the peltier heat exchange module 11 based on peltier effect can transfer heat through the movement of charge carriers of the N-type semiconductor and the P-type semiconductor, including heat transfer from a low temperature end to a high temperature end, and the peltier heat exchange module 11 includes a cold end 1, a heat conduction pad 2, a peltier sheet group 3, a heat conduction pad 4, and a hot end 5.
The cold end 1 is fixed at the position close to an exhaust pipe in an engine compartment through a U-shaped clamp, the Peltier group 3 is arranged between the cold end 1 and the hot end 5, heat conducting pads are respectively arranged between the cold end 1 and the Peltier group 3 and between the Peltier group 3 and the hot end 5, the Peltier group comprises an n-type semiconductor 301, a p-type semiconductor 302, a power electrode 303 and a copper conducting plate which are arranged in parallel, wherein the copper conducting plate is connected in series at two ends of the semiconductor, the heat conducting pad 2 and the heat conducting pad 4 are used for transferring heat but are not conducting, after the Peltier group 3 is connected, except for joule heat generation, heat absorption and heat release phenomena can respectively occur at the joint of the conductor along with the different directions of connected current, if the current flows from the end with higher number of free electrons to the end with lower number of free electrons, the temperature of the end with lower number of electrons rises, otherwise, the temperature of the end with lower number of electrons decreases, heat transfer and exchange are realized.
As shown in fig. 2, the engine 6, the expansion water tank 7, the radiator 8, the water pump 9, and the electromagnetic flow distribution valve 10 constitute a conventional engine cooling cycle. In the figure, the arrow direction is the flow direction of the coolant in the engine pipeline, and the electromagnetic flow distribution valve 10 distributes the flow of the coolant according to the temperature requirement of the coolant of the engine thermal management system, so as to ensure that the low-temperature coolant flowing into the engine water jacket reaches the minimum flow required by cooling, thereby ensuring that the engine can normally work.
As shown in fig. 3, the thermal radiation energy recovery unit 12 includes a multi-section U-shaped aluminum heat exchange pipeline 16 and a thermal insulation material 17, the thermal insulation material 17 is made of high temperature resistant cotton, the thermal insulation material 17 wraps the outer surface between the hot end of the peltier heat exchange module 11 and the U-shaped heat exchange pipeline 16 to prevent the loss of the recovered heat, an arrow in the figure indicates the flow direction of a coolant, and the coolant flows in from one end of the multi-section U-shaped aluminum heat exchange pipeline 16 of the cabin thermal radiation energy recovery unit 12 and flows out from the other end to recover the thermal radiation energy and exchange the heat.
As shown in fig. 2 and 3, the circulating medium control assembly includes a pipeline, and an electromagnetic flow distribution valve 10, a check valve 13, and a collecting valve 14 disposed on the pipeline, where the circulating medium is an engine coolant medium, the pipeline of the circulating medium control assembly is an aluminum pipeline, a heat exchange pipeline 16 of the cabin thermal radiation energy recovery unit 12 is communicated with the pipeline of the circulating medium control assembly, the check valve 13 is disposed on the pipeline between the electromagnetic flow distribution valve 10 and the cabin thermal radiation energy recovery unit 12, and the collecting valve 14 is disposed on the pipeline between the cabin thermal radiation energy recovery unit 12 and the warm air system heat exchanger 15.
The hot end 5 of the Peltier heat exchange module 11 is fixed on the outer surface of a U-shaped aluminum heat exchange pipeline 16 of the cabin heat radiation energy recovery unit 12 through a U-shaped clamp, a bolt hole is formed in a fixing frame 18, and the U-shaped aluminum heat exchange pipeline 16 of the cabin heat radiation energy recovery unit 12 is fixed in an engine cabin 19 through the fixing frame 18 and the bolt.
The length and the position of the U-shaped aluminum heat exchange pipeline 16 can be adjusted according to the space in the engine room of different vehicle types, and the outlet of the heat exchange pipeline 16 is connected with the inlet end of the heat exchanger 15 of the heating system through an aluminum pipe and a collecting valve.
The electromagnetic flow distribution valve 10 is arranged on a radiator water outlet pipe, the one-way valve 13 and the collecting valve 14 are respectively arranged at the inlet end of the cabin heat recovery unit and the inlet end of the warm air system heat exchanger 15, the outlet end of the electromagnetic flow distribution valve 10 is communicated with the inlet end of the one-way valve 13 through an aluminum pipe, the one-way valve 13 and the collecting valve 14 are respectively communicated with the cabin heat recovery unit 12 through an aluminum pipe, one end of the cabin thermal radiation energy recovery unit 12 is communicated with the one-way valve 13 through an aluminum pipe, and the other end of the cabin thermal radiation energy recovery unit is communicated with the collecting valve 14 through an aluminum pipe.
The check valve 13 controls the cooling liquid medium to flow from the electromagnetic flow distribution valve 10 to the engine room heat recovery unit, the check valve 13 ensures the cooling liquid medium to flow in a single direction, the collecting valve 14 regulates the flow of the cooling liquid medium in the multi-section U-shaped heat exchange pipeline 16 passing through the engine room heat radiation energy recovery unit 12 according to the flow demand of the warm air system, and the collecting valve 14 can open or close the cooling liquid medium heated by the Peltier heat exchange module 11 in the engine room heat recovery unit 12 through a valve core membrane. The cooling liquid medium in the engine sequentially flows through the electromagnetic flow distribution valve 10, the one-way valve 13, the cabin heat radiation energy recovery unit 12, the collecting valve 14 and the heating system heat exchanger 15 to form a circulation.
The cold end 1 of the Peltier heat exchange module 11 is arranged at a position close to an exhaust pipe in an engine compartment and used for absorbing exhaust radiation heat of the exhaust pipe of the engine, the absorbed heat is transferred to the hot end 5 from the cold end 1 through the heat conducting pad 2 of the Peltier heat exchange module, the hot end 5 of the Peltier heat exchange module 11 is fixed on the outer surface of a multi-section heat exchange pipeline 16 of the cabin heat radiation energy recovery unit 12, and the heat at the hot end of the Peltier heat exchange module is transferred to the heat exchange pipeline 16 of the cabin heat radiation energy recovery unit through thin-wall heat conduction.
A cooling liquid medium in an engine sequentially passes through an electromagnetic flow distribution valve 10, a one-way valve 13 and a heat exchange pipeline 16 of a cabin heat radiation energy recovery unit through a water pump 9, the temperature of the cooling liquid medium in the heat exchange pipeline 16 is increased after the cooling liquid medium absorbs heat transmitted by thin-wall heat conduction, the heated cooling liquid medium enters a heat exchanger 15 of a warm air system through a flow collecting valve 14, the heat emitted by the heated cooling liquid is sent to a cab by air blown by a blower of the warm air system, the temperature of the cooling liquid medium subjected to the heat dissipation process in the heat exchanger 15 of the warm air system is reduced, and then the cooling liquid medium enters the heat radiation energy recovery unit 2 again through the electromagnetic flow distribution valve 10 under the action of the water pump to form circulation.
The Peltier heat exchange module 11 and the engine cabin heat radiation energy recovery unit 12 collect, transfer and convey heat radiation energy to the warm air system for utilization, the Peltier heat exchange module and the engine cabin heat radiation energy recovery unit are key components of the recovery system, when a user orders to start the warm air system, the flow of a cooling liquid medium entering a warm air core body is adjusted by the cooling liquid medium passing through the flow collecting valve 14 according to the temperature requirement specified by the user, and a blower in front of the warm air core body blows hot air into a driving cabin according to the temperature requirement, so that the warm and comfortable functions are achieved.
A method for realizing heat radiation energy recovery in an engine compartment by using the heat radiation energy recovery system in the engine compartment comprises the following steps:
fixing a cold end 1 of a Peltier heat exchange module 11 at a position close to an exhaust pipe in an engine compartment, fixing a hot end 5 of the Peltier heat exchange module 11 on the outer surface of a heat exchange pipeline 16 of a heat radiation energy recovery unit of the engine compartment, absorbing exhaust radiation heat of the exhaust pipe of the engine by the Peltier heat exchange module 11, and transferring the absorbed heat from the cold end 1 to the hot end 5 through a heat conduction pad 2 of the Peltier heat exchange module;
the heat of the hot end 5 of the Peltier heat exchange module is transferred to a heat exchange pipeline 16 of the heat radiation energy recovery unit of the engine room through thin-wall heat conduction;
a cooling liquid medium in an engine sequentially passes through an electromagnetic flow distribution valve 10, a one-way valve 13 and a heat exchange pipeline 16 of a cabin heat radiation energy recovery unit 12 through a water pump 9, the temperature of the cooling liquid medium in the heat exchange pipeline is increased after the cooling liquid medium absorbs heat transmitted by thin-wall heat conduction, the heated cooling liquid medium enters a heat exchanger 15 of a warm air system through a collecting valve 14, the heat emitted by the heated cooling liquid is sent to a cab by air blown by a blower of the warm air system, the temperature of the cooling liquid medium subjected to the heat dissipation process in the heat exchanger 15 is reduced, and then the cooling liquid medium enters the heat recovery unit 12 again through the electromagnetic flow distribution valve 10 under the action of the water pump to form circulation.
Finally, it should be noted that: while the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that various changes in the form and details may be made therein without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A heat radiation energy recovery system in an engine cabin comprises an engine, and is characterized by further comprising a Peltier heat exchange module, an engine cabin heat radiation energy recovery unit and a circulating medium control assembly;
the Peltier heat exchange module is positioned in the engine compartment and comprises a cold end, a Peltier sheet group, a heat conduction pad and a hot end, wherein the cold end is positioned at a position close to the exhaust pipe in the engine compartment, the Peltier sheet group is arranged between the cold end and the hot end, and the heat conduction pads are respectively arranged between the cold end and the Peltier sheet group and between the Peltier sheet group and the hot end;
the engine room thermal radiation energy recovery unit is positioned in the engine room and comprises a heat exchange pipeline;
the circulating medium control assembly comprises a pipeline, and a distribution valve, a one-way valve and a flow collecting valve which are arranged on the pipeline, wherein the distribution valve is arranged on a water outlet pipe of the engine radiator, and the outlet end of the distribution valve is communicated with the inlet end of the one-way valve through the pipeline;
the heat end of the Peltier heat exchange module is fixed on the outer surface of a heat exchange pipeline of the engine room heat radiation energy recovery unit, the engine room heat radiation energy recovery unit is arranged on a pipeline of the circulating medium control assembly, the heat exchange pipeline of the engine room heat radiation energy recovery unit is communicated with the pipeline of the circulating medium control assembly, the one-way valve is arranged on the pipeline between the distribution valve and the engine room heat radiation energy recovery unit, and the flow collecting valve is arranged on the pipeline between the engine room heat radiation energy recovery unit and the heat exchanger of the warm air system.
2. The engine room radiant heat energy recovery system as set forth in claim 1, wherein said engine room radiant heat energy recovery unit further comprises an insulating material, said insulating material being wrapped around an outer surface of the heat exchange line for preventing loss of the recovered heat.
3. The heat radiant energy recovery system in an engine room of claim 1 or 2, wherein the heat insulating material is high temperature resistant cotton.
4. The system for recovering thermal radiant energy from an engine room as claimed in claim 1, wherein the piping of said circulating medium control unit is aluminum piping, the outlet end of the distribution valve is connected to the inlet end of the check valve via aluminum piping, and the check valve, the room heat recovery unit and the collecting valve are connected to each other via aluminum piping.
5. The system for recovering thermal radiant energy in an engine room as claimed in claim 1 or 4, wherein said distribution valve is an electromagnetic flow distribution valve.
6. The heat radiant energy recovery system in an engine compartment as claimed in claim 1, wherein the cold end of the peltier heat exchange module is fixed to the engine compartment near the exhaust pipe by a U-shaped clip, and the hot end of the peltier heat exchange module is fixed to the outer surface of the heat exchange pipe of the heat radiant energy recovery unit in the engine compartment by a U-shaped clip.
7. The system for recovering thermal radiant energy within an engine compartment of claim 1, wherein said cabin thermal radiant energy recovery unit is fixed within the engine compartment by a fixing frame.
8. The engine room thermal radiant energy recovery system as set forth in claim 1, wherein the heat exchange line of the room thermal radiant energy recovery unit comprises a multi-sectional U-shaped structured aluminum heat exchange line.
9. A method of achieving in-cabin thermal radiant energy recovery using the in-cabin thermal radiant energy recovery system of claim 1:
fixing the cold end of the Peltier heat exchange module at a position close to an exhaust pipe in an engine compartment, fixing the hot end of the Peltier heat exchange module on the outer surface of a heat exchange pipeline of a heat radiation energy recovery unit of the engine compartment, absorbing exhaust radiation heat of the exhaust pipe of the engine by the Peltier heat exchange module, and transferring the absorbed heat from the cold end to the hot end through a heat conduction pad of the Peltier heat exchange module;
the heat at the hot end of the Peltier heat exchange module is transferred to a heat exchange pipeline of the heat radiation energy recovery unit of the engine room through thin-wall heat conduction;
a cooling liquid medium in an engine passes through a heat exchange pipeline of a distribution valve, a one-way valve and a cabin heat radiation energy recovery unit through a water pump, the temperature of the cooling liquid medium in the heat exchange pipeline is increased after the cooling liquid medium absorbs heat transmitted by thin-wall heat conduction, the heated cooling liquid medium enters a heat exchanger of a warm air system through a flow collecting valve, air blown by an air blower of the warm air system sends heat emitted by the heated cooling liquid into a cab, and the cooling liquid medium subjected to the heat dissipation process in the heat exchanger is reduced in temperature and then enters the heat radiation energy recovery unit again through the distribution valve under the action of the water pump to form circulation.
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2021
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CN103939190A (en) * | 2014-02-25 | 2014-07-23 | 浙江吉利控股集团有限公司 | Engine cooling circulation system for auxiliary heating through exhaust pipe |
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DE102018202672A1 (en) * | 2017-03-22 | 2018-09-27 | Ford Global Technologies, Llc | Cooling system for an internal combustion engine and internal combustion engine |
CN207348940U (en) * | 2017-09-20 | 2018-05-11 | 东风汽车公司 | A kind of automobile exhaust waste heat recycling system |
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