CN107650621A - A kind of plug-in hybrid electric vehicle heat management system - Google Patents
A kind of plug-in hybrid electric vehicle heat management system Download PDFInfo
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- CN107650621A CN107650621A CN201710976869.3A CN201710976869A CN107650621A CN 107650621 A CN107650621 A CN 107650621A CN 201710976869 A CN201710976869 A CN 201710976869A CN 107650621 A CN107650621 A CN 107650621A
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- way valve
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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
- B60H1/03—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
- B60H1/034—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant from the cooling liquid of the propulsion plant and from an electric heating device
-
- 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
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
-
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
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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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
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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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
Abstract
The invention discloses a kind of plug-in hybrid electric vehicle heat management system, belong to hybrid electric vehicle technical field.A kind of plug-in hybrid electric vehicle heat management system, including main SAPMAC method path, the main SAPMAC method path are radiated by main radiator to engine, gearbox, it is characterised in that the system also includes：Warm wind heats circulating path, it is made up of engine SAPMAC method branch way outlet, electric heat-producing machine, warm-air exchanger, circulating pump one, two-way valve one, the connection of engine SAPMAC method branch road entrance, electric heat-producing machine heating mode of operation when engine SAPMAC method heat heating mode of operation and engine when the warm wind heating circulating path comprises at least engine work do not work, the warm wind requirement of vehicle can either be met, used heat caused by engine radiating is taken full advantage of again, so that the energy in vehicle is rationally circulated and utilized, so as to reach the effect for saving the energy.
Description
Technical field
The present invention relates to hybrid electric vehicle technical field, more particularly to a kind of plug-in hybrid electric vehicle heat management system.
Background technology
With Global Oil resource exhausted and national Abgasgesetz it is harsh, electric automobile due to use reproducible electricity
Energy resource, cleanliness without any pollution, increasingly paid attention to by domestic major vehicle factor.Major vehicle factor competitively puts into huge manpower
Material resources go to research and develop hybrid electric vehicle, pure electric vehicle, plug-in hybrid electric vehicle etc., but due to hybrid electric vehicle, plug-in mixing
Power car technical threshold is higher, and pure electric vehicle is considered as the direction that domestic vehicle factor bend is overtaken other vehicles.On domestic market
Ripe hybrid electric vehicle is still introduced based on vehicle with foreign countries, held up as the Corolla of Toyota is double/thunder Ling Shuan holds up, on domestic market
Ripe plug-in hybrid electric vehicle type does not almost have, but this kind of vehicle can the energy-saving and emission-reduction as hybrid electric vehicle, also can
Charged as pure electric vehicle and realize pure electric drive, there is extraordinary market promotion prospect.It is dynamic yet with plug-in mixing
Power vehicle causes technical difficulty high, it is necessary to high using dual drive structure Coupling, the larger capacity batteries of pure electric drive mode requirement
High R＆D costs and longer R＆D cycle, need to meet vehicle and each main parts size mixed dynamic specific to heat management system
Real-time heating and cooling under a variety of applying working conditions such as pattern, electric-only mode, charge-sustaining mode, parking charge mode need
Ask, be one of key technology for capturing of needs of current plug-in hybrid electric vehicle.
Patent 201520192187.X discloses a kind of battery bag temperature management system available for hybrid electric vehicle, passes through
Air cooling system carries out warm wind heating, liquid cooling system carries out liquid cooling mode management battery bag temperature, solves existing battery bag
Temperature treatment individually uses liquid cold or the air-cooled low efficiency problem being heated or cooled, although having one relative to prior art
It is fixed to improve, but simple heat a kind of while that there is heating and refrigerating function is also only provided in terms of for battery bag heating
Management system, multiple heat circulating systems with reference to the hybrid power system of hybrid electric vehicle, which are not made, a kind of meets mixing
The integrated thermal management system of power entire car.
The content of the invention
In order to solve problem of the prior art, the embodiments of the invention provide a kind of plug-in hybrid electric vehicle heat management system
System.The technical scheme is as follows：
A kind of plug-in hybrid electric vehicle heat management system, including main SAPMAC method path are provided, the main SAPMAC method path
Engine, gearbox are radiated by main radiator, it is characterised in that the system also includes：Warm wind heating circulation road
Footpath, including interconnected engine SAPMAC method branch way outlet, electric heat-producing machine, warm-air exchanger, circulating pump one, two-way valve one,
Engine SAPMAC method branch road entrance, the warm wind heating circulating path comprise at least engine SAPMAC method life when engine works
Electric heat-producing machine heating mode of operation when heat heating mode of operation and engine do not work.
Preferably, the warm wind heating circulating path under the engine SAPMAC method heat heating mode of operation includes mutually interconnecting
It is the logical engine SAPMAC method branch way outlet, the electric heat-producing machine, the warm-air exchanger, the circulating pump one, described double
One valve port of port valve one, the engine SAPMAC method branch road entrance.
Preferably, the warm wind heating circulating path under the electric heat-producing machine heating mode of operation is described including what is be interconnected
Electric heat-producing machine outlet, another valve port of the warm-air exchanger, the circulating pump one, the two-way valve one, electric heat-producing machine entrance.
Preferably, the system also includes auxiliary heat dissipation circulating path, and the auxiliary heat dissipation circulating path passes through auxiliary heat dissipation
Device radiates to in-car electric device, and the electric device includes LE, motor, DCDC, electric air-conditioning, and the auxiliary dissipates
Thermal cycle path include the interconnected additional cooler, two-way valve two, circulating pump two, the LE, the motor,
The DCDC, electric air-conditioning connection.
Preferably, the system also includes air conditioner refrigerating circulating path, and the air conditioner refrigerating circulating path circulates including cold wind
Branch road and battery bag cooling circulation branch road, the cold wind circulation branch road include the interconnected electric air-conditioning refrigerant and gone out
Mouth, one-way valve one, cold wind heat exchanger, circulating pump three, the electric air-conditioning refrigerant inlet；The battery bag cools down circulation branch road
Including the interconnected electric air-conditioning refrigerant outlet, one-way valve two, the heat exchanger with battery pack system pipeline connection
First, the circulating pump three, the electric air-conditioning refrigerant inlet.
Preferably, the one-way valve one, the one-way valve two replace with a two-way valve three, two of the two-way valve three
Valve port connects with the cold wind heat exchanger and the heat exchanger one respectively.
Preferably, the battery pack system pipeline includes interconnected battery bag pipeline, circulating pump four, charger pipe
Road, the battery bag pipeline, the circulating pump four, the charger pipeline, the connection of the heat exchanger one form the battery
Packet system intercooling cycle path.
Preferably, the system also includes battery bag heating circulating path, and battery bag heating circulating path includes mutual
Cycle of engine branch way outlet, one-way valve three, circulating pump five, heat exchanger two, the cycle of engine branch road entrance of connection, it is described
Heat exchanger two and the battery pack system pipeline connection.
Preferably, the system also includes control device, and the control device including the main radiator, the electricity with heating
All thermal cycle electric devices electrical connection including device, the circulating pump one, the two-way valve one, the control device are used to control
The flow direction and flow of hot circulating medium in whole system pipeline.
Preferably, the system also includes compensator equipment, and the compensator equipment and the control device, the master are cold
It is circulating path, warm wind heating circulating path, the auxiliary heat dissipation circulating path, the air conditioner refrigerating circulating path, described
Battery pack system intercooling cycle path, battery bag heating circulating path connection, the compensator equipment are used to carry out system
The automatic compensating operation of the hot circulating medium of interior all pipelines or part pipeline and bleeding.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
1st, the heat management system has the characteristics of Transmission Engine driving and driven by power according to plug-in hybrid electric vehicle,
The main SAPMAC method path of the drive devices such as engine will be connected with the heating path of electric heat-producing machine, the warm wind formed in the system
Path is heated, can be realized when engine SAPMAC method heat heating mode of operation during engine work and engine do not work
Electric heat-producing machine heats mode of operation, can either meet the warm wind requirement of vehicle, takes full advantage of and is given up caused by engine radiating again
Heat so that the energy in vehicle is rationally circulated and utilized, and reduces vehicle energy consumption；
2nd, increase auxiliary heat dissipation circulating path, in-car electric device radiated by additional cooler, ensure driving
The performance during low temperature of motor/LE/DCDC/ electric air-conditionings；
3rd, the air conditioner refrigerating circulating path set in system, cooled using the electric air-conditioning refrigerant for providing in-car cold wind electric
Chi Bao and charger, ensure battery pack system in vehicle operation and parking charging process all the time in safe handling temperature model
Enclose；
4th, the battery bag heating circulating path set in system, engine coolant is allowed to take away using engine work useless
Heat goes to heat battery bag, battery low temperature electric load, and no consumption vehicle energy is improved, when effectively reducing the charging of low temperature battery bag
Between；
5th, battery pack system intercooling cycle path cooling and heating employ changeable flow regulation technology scheme, ensure electricity
Chi Bao cooling and heating needs accurately control；Whole heat management system sets compensator equipment in addition, ensures each loop cooling
Automatic compensation and the tonifying Qi operation of liquid, so as to realize the equilibrium of circulating cooling liquid, smooth circulation.
Generally speaking, plug-in hybrid electric vehicle heat management system provided in an embodiment of the present invention is due to inheriting traditional vehicle
Engine and cooling system for speed changing box, it is easy to outside the implementation of plug-in hybrid electric vehicle heat management, connection is multiple in system
Thermal cycle path can in effective guarantee vehicle each several part heat management, accomplished the reasonable utilization of resource in vehicle again, met
Such as plug-in hybrid electric vehicle vehicle and each main parts size are in mixed dynamic model formula, electric-only mode, charge-sustaining mode, parking
Real-time heating and cooling requirement under a variety of applying working conditions such as charge mode.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is plug-in hybrid electric vehicle heat management system structure schematic diagram provided in an embodiment of the present invention；
Fig. 2 is the warm wind heating circulating path in plug-in hybrid electric vehicle heat management system provided in an embodiment of the present invention
Workflow diagram；
Fig. 3 is plug-in hybrid electric vehicle heat management system structure schematic diagram provided in an embodiment of the present invention；
Fig. 4 is plug-in hybrid electric vehicle heat management system structure partial schematic diagram provided in an embodiment of the present invention；
Fig. 5 is the air conditioner refrigerating circulating path in plug-in hybrid electric vehicle heat management system provided in an embodiment of the present invention
Workflow diagram；
Fig. 6 is the air conditioner refrigerating circulating path in plug-in hybrid electric vehicle heat management system provided in an embodiment of the present invention
Workflow diagram；
Fig. 7 is plug-in hybrid electric vehicle heat management system structure partial schematic diagram provided in an embodiment of the present invention；
Fig. 8 is the battery bag heating circulation road in plug-in hybrid electric vehicle heat management system provided in an embodiment of the present invention
Footpath workflow diagram；
Fig. 9 is plug-in hybrid electric vehicle heat management system structure schematic diagram provided in an embodiment of the present invention；
Figure 10 is the battery pack system changeable flow cooling heating work of plug-in hybrid electric vehicle heat management system in Fig. 9
Flow chart；
Figure 11 is plug-in hybrid electric vehicle heat management system structure schematic diagram provided in an embodiment of the present invention.
Description of reference numerals：
- the P1 of circulating pump one, one-two-way valve of two-way valve 1, main SAPMAC method path circulating pump-P-1, P-2, two-bilateral of two-way valve
The valve 2 ,-P2 of circulating pump two, one-one-way valve of one-way valve 1, two-one-way valve of the one-way valve 2 ,-P3 of the circulating pump three ,-P4 of circulating pump four, heat
One-heat exchanger of exchanger 1, three-one-way valve of the one-way valve 3 ,-P5 of circulating pump five, two-heat exchanger of heat exchanger 2.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only this
Invention part of the embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art exist
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
It should be noted that term " part one ", " part two " is only used for describing purpose, and it is not intended that instruction or dark
Show relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " part one ", " part two "
One or more this feature can be expressed or be implicitly included to feature.In the description of the invention, the implication of " multiple "
It is two or more, unless otherwise specifically defined.
Plug-in hybrid electric vehicle heat management system provided in an embodiment of the present invention, has according to plug-in hybrid electric vehicle
The characteristics of Transmission Engine driving and driven by power, by the main SAPMAC method path of the drive devices such as engine and electric heat-producing machine
Path connection is heated, the warm wind heating path formed in the system, engine SAPMAC method life during engine work can be realized
Electric heat-producing machine heating mode of operation when heat heating mode of operation and engine do not work, can either meet that the warm wind of vehicle will
Ask, take full advantage of used heat caused by engine radiating again so that the energy in vehicle is rationally circulated and utilized, so as to reach
The effect for saving the energy is arrived.
Below in conjunction with specific embodiment and its accompanying drawing, to plug-in hybrid electric vehicle heat pipe provided in an embodiment of the present invention
Reason system is described further.
Fig. 1 is plug-in hybrid electric vehicle heat management system structure schematic diagram provided in an embodiment of the present invention.Such as Fig. 1 institutes
Show, plug-in hybrid electric vehicle heat management system provided in an embodiment of the present invention remains the SAPMAC method of traditional vehicle, i.e. the system
In main SAPMAC method path, engine coolant is radiated by main radiator, then complete coupled engines, gearbox work
Cooling when making, typically there are two kinds of circulation and outer circulation in engine coolant, controlled and switched by TOT, circulation is provided by P-1
Power；Gearbox cooling provides circulation power by P-2 and promotes coolant, gear box hydraulic oil is cooled by ATR, hydraulic oil is again
Internal flow cools to gearbox.
Plug-in hybrid electric vehicle heat management system provided in an embodiment of the present invention, except above-mentioned main SAPMAC method path,
Also include：Warm wind heats circulating path, by engine SAPMAC method branch way outlet, electric heat-producing machine, warm-air exchanger, P1, two-way valve
1st, engine SAPMAC method branch road entrance connection is formed.Warm wind heating circulating path comprises at least engine when engine works
Electric heat-producing machine heating mode of operation when SAPMAC method heat heating mode of operation and engine do not work, wherein P1 provide coolant
Circulation power.In addition, can also include carrying out the heating of cycle of engine heat and the heating of electric heat-producing machine simultaneously as needed
Mode of operation, such as when one of which mode of operation be not enough to provide vehicle needed for warm wind resource when, can use this
Mode of operation.
Preferably, the warm wind under engine SAPMAC method heat heating mode of operation heats circulating path by engine SAPMAC method
Branch way outlet, electric heat-producing machine, warm-air exchanger, P1, a valve port of two-way valve 1, engine SAPMAC method branch road entrance are sequentially communicated
Form.Under this kind of mode of operation, when engine works, ECT rise, by the engine coolant drawn
In-car warm wind is provided by warm-air exchanger.
Preferably, circulating path is exported the warm wind heating under electric heat-producing machine heating mode of operation by electric heat-producing machine, warm wind changes
Hot device, P1, another valve port of two-way valve 1, electric heat-producing machine entrance are sequentially communicated composition.Under this kind of mode of operation, the pure electricity of vehicle
Dynamic mode operation and when engine does not work, gives coolant to heat, coolant is provided by warm-air exchanger by electronic heat-producing machine
In-car warm wind.Due to plug-in hybrid electric vehicle heat management system to vehicle carry out warm wind heating circulation when, can be according to need
Selected so that meet warm wind requirement of the vehicle in the case where different dynamic drives mode of operation, and reached reasonable using whole
The purpose of in-car resource.
Fig. 2 is the warm wind heating circulating path in plug-in hybrid electric vehicle heat management system provided in an embodiment of the present invention
Workflow diagram.As shown in Fig. 2 the warm wind system in plug-in hybrid electric vehicle heat management system provided in an embodiment of the present invention
The course of work in thermal cycle path is as follows：
Start warm wind heating circulation in vehicle, now P1 does not start；
Judge whether in-car has warm wind demand, return to previous step if not and circulated, if so, determining whether engine
Whether have been turned on, if so, P1 starts, two-way valve 1 leads to engine SAPMAC method branch road entrance side, until terminating；If it is not, two-way valve
1 leads to electric heat-producing machine entrance side, and then P1 starts, and runs electric heat-producing machine, until terminating.
Preferably, as shown in figure 3, plug-in hybrid electric vehicle heat management system provided in an embodiment of the present invention is also including auxiliary
Radiating circulating path is helped, the auxiliary heat dissipation circulating path is radiated by additional cooler to in-car electric device, the electricity
Dynamic device includes LE, motor, DCDC, electric air-conditioning, auxiliary heat dissipation circulating path by additional cooler, two-way valve 2, P2,
LE, motor, DCDC, electric air-conditioning connection are formed.Wherein, P2 is used to provide low-temperature circulating power, and two-way valve 2 is according to electronic
Whether air-conditioning needs radiating regulation coolant flow paths.By additional cooler in plug-in hybrid electric vehicle electric device
Coolant radiated, coolant with electric device work caused by heat, so as to ensure electric device all the time in temperature
Difference changes less low temperature range, ensures the performance of electric device.
Fig. 4 is plug-in hybrid electric vehicle heat management system part-structure schematic diagram provided in an embodiment of the present invention, such as Fig. 4
Shown, system also includes air conditioner refrigerating circulating path, and the air conditioner refrigerating circulating path includes cold wind circulation branch road and battery bag is cold
But circulation branch road, cold wind circulation branch road is by electric air-conditioning refrigerant outlet, one-way valve 1, cold wind heat exchanger, P3, electric air-conditioning system
Cryogen entrance is sequentially communicated composition；Battery bag cools down circulation branch road by electric air-conditioning refrigerant outlet, one-way valve 2 and battery bag
Heat exchanger 1, P3, the electric air-conditioning refrigerant inlet of system pipeline connection are sequentially communicated composition.It is electronic by such setting
Refrigerant in air-conditioning has two purposes, and one is to be used to provide in-car cold wind, and another purposes is that refrigerant passes through heat exchange
Device 1 cools to battery bag coolant, and the coolant after cooling forms in battery bag pipeline-P4- chargers pipeline-heat exchanger 1
Battery pack system intercooling cycle path, provide circulation power by P4, circulation is got up to cool to battery bag and charger.Electronic sky
Modulating the selection of both purposes circulating paths of cryogen can be controlled by one-way valve 1 and one-way valve 2, not only be met whole
The cold wind requirement of car, while the cooling function to battery pack system can also be realized, further optimize whole heat management system
Heat management effect.
Fig. 5-Fig. 6 is the air conditioner refrigerating circulation in plug-in hybrid electric vehicle heat management system provided in an embodiment of the present invention
Path workflow diagram.As shown in figure 5, the cold wind circulation branch road course of work therein can be carried out as follows：
Start refrigerant circulation in vehicle, now P3 does not start, and electric air-conditioning is not worked, one-way valve 1 is not turned on；
Judge whether in-car has cold wind demand, return to previous step if not and circulated, it is electronic if check valve 1 turns on
Air-conditioning work, P3 start, until terminating.
As shown in fig. 6, the battery bag cooling circulation branch road course of work therein can be carried out as follows：
Start refrigerant circulation in vehicle, now P3 does not start, and electric air-conditioning is not worked, one-way valve 2 is not turned on；
Judge whether battery pack system has cooling demand, return to previous step if not and circulated, if check valve 2 is led
Logical, electric air-conditioning work, P3 starts, until terminating.
Additionally preferably, one-way valve 1, one-way valve 2 replace with a (not shown) of two-way valve three, and the two of two-way valve three
Individual valve port connects with cold wind heat exchanger and heat exchanger 1 respectively, and replacing non-two-way valve by two one-way valves causes to circulating path
Control be more convenient, and reduce constituent system components quantity, simplify system architecture, saved cost.
Fig. 7 is plug-in hybrid electric vehicle heat management system structure partial schematic diagram provided in an embodiment of the present invention.
Additionally preferably, in order to realize the heating function to battery pack system, heat management system also includes battery bag and heated
Circulating path, as shown in fig. 7, the battery bag heats circulating path by cycle of engine branch way outlet, one-way valve 3, P5, heat exchange
Device 2, the connection of cycle of engine branch road entrance are formed, heat exchanger 2 and battery pack system pipeline connection.Worked and produced by engine
Used heat heating engine coolant, P5 provide circulation power, the higher engine coolant of temperature by heat exchanger 1 give by
Coolant heating, P4 provide circulation power in the battery pack system intercooling cycle path of battery bag and charger composition, and can
The speed for cooling or heating come regulating cell bag by P4 regulating cell bag coolant low circulation flows, so as to battery bag and fill
Motor heats, and has both realized the heating function to battery pack system, does not have to extra power again and provides thermal source so that in vehicle
Resource is more preferably utilized, and optimizes thermal cycle management in vehicle.
Fig. 8 is the battery bag heating circulation road in plug-in hybrid electric vehicle heat management system provided in an embodiment of the present invention
Footpath workflow diagram.As shown in figure 8, the battery bag heating circulating path course of work can be carried out as follows：
Start battery heating circulation, now P5 does not start, and one-way valve 3 is not turned on；
Judge whether engine starts, circulated if it is not, returning to previous step；If so, determine whether battery bag system
Whether system has demand for heat, if it is not, returning to initial step, if so, one-way valve 3 turns on, P5 starts, until terminating.
Fig. 9 is plug-in hybrid electric vehicle heat management system structure schematic diagram provided in an embodiment of the present invention, and Figure 10 is Fig. 9
The battery pack system changeable flow cooling heating workflow diagram of middle plug-in hybrid electric vehicle heat management system.
Preferably, plug-in hybrid electric vehicle heat management system system provided in an embodiment of the present invention also includes control dress
Put, the control device with including main radiator, electric heat-producing machine, P1, P2, P3, P4, P5, one-way valve 1, one-way valve 2, one-way valve 3,
All thermal cycle electric devices electrical connection including two-way valve 1, two-way valve 2, warm-air exchanger etc., that is to say, that control device
It is connected with the thermal cycle electric device of all circulating paths in heat management system, for controlling thermal cycle in whole system pipeline
The flow direction and flow of medium.
As shown in Figure 10, the battery pack system changeable flow cooling heating course of work can be carried out as follows：
Battery pack system changeable flow circulating path is opened, now P3, P5 do not start, and one-way valve 2,3 is not turned on, and P4 starts
Default low-power, the circulation of coolant low discharge；
Judge whether battery pack system there are cooling heating needs, circulated if it is not, returning to previous step, if so, entering one
Step judges whether battery pack system has cooling demand, and a steps and b step are carried out according to judged result；
Wherein, when above-mentioned judged result when being, to carry out a steps, specifically, one-way valve 2 starts, and P3 starts, and judges electricity
Whether Chi Bao exceeds high temperature limit value, if so, lifting P4 carries out coolant high flow capacity circulation temperature lowering, Zhi Daojie to default high power
Beam；If it is not, lifting P4 carries out flow circulation temperature lowering in coolant, until terminating to default middle power.
When above-mentioned judged result is no, b step is carried out, specifically, one-way valve 3 starts, and P5 starts, and judges battery bag temperature
Whether degree is less than low temperature limit value, if so, lifting P4 carries out the circulation heating of coolant high flow capacity to default high power；If it is not, lifting
P4 carries out flow in coolant and circulated to default middle power.
Figure 11 is plug-in hybrid electric vehicle heat management system structure schematic diagram provided in an embodiment of the present invention.
Preferably, as shown in figure 11, plug-in hybrid electric vehicle heat management system system provided in an embodiment of the present invention is also
Including compensator equipment, compensator equipment is followed with control device, main SAPMAC method path, warm wind heating circulating path, auxiliary heat dissipation
Endless path, air conditioner refrigerating circulating path, battery pack system intercooling cycle path, battery bag heating circulating path connection, compensator
Equipment is used to carry out the automatic compensating operation of the hot circulating medium of all pipelines or part pipeline and bleeding in system so that
Thermal cycle is more balanced in system, successfully carries out.
Above-mentioned all optional technical schemes, any combination can be used to form the alternative embodiment of the present invention, herein no longer
Repeat one by one.
Understood according to above-described embodiment and practice, plug-in hybrid electric vehicle heat management system provided in an embodiment of the present invention
Compared with prior art, following technique effect is achieved：
1st, the heat management system has the characteristics of Transmission Engine driving and driven by power according to plug-in hybrid electric vehicle,
The main SAPMAC method path of the drive devices such as engine will be connected with the heating path of electric heat-producing machine, the warm wind formed in the system
Path is heated, can be realized when engine SAPMAC method heat heating mode of operation during engine work and engine do not work
Electric heat-producing machine heats mode of operation, can either meet the warm wind requirement of vehicle, takes full advantage of and is given up caused by engine radiating again
Heat so that the energy in vehicle is rationally circulated and utilized, and reduces vehicle energy consumption；
2nd, increase auxiliary heat dissipation circulating path, in-car electric device radiated by additional cooler, ensure driving
The performance during low temperature of motor/LE/DCDC/ electric air-conditionings；
3rd, the air conditioner refrigerating circulating path set in system, cooled using the electric air-conditioning refrigerant for providing in-car cold wind electric
Chi Bao and charger, ensure battery pack system in vehicle operation and parking charging process all the time in safe handling temperature model
Enclose；
4th, the battery bag heating circulating path set in system, engine coolant is allowed to take away using engine work useless
Heat goes to heat battery bag, battery low temperature electric load, and no consumption vehicle energy is improved, when effectively reducing the charging of low temperature battery bag
Between；
5th, battery pack system intercooling cycle path cooling and heating employ changeable flow regulation technology scheme, ensure electricity
Chi Bao cooling and heating needs accurately control；Whole heat management system sets compensator equipment in addition, ensures each loop cooling
Automatic compensation and the tonifying Qi operation of liquid, so as to realize the equilibrium of circulating cooling liquid, smooth circulation.
Generally speaking, plug-in hybrid electric vehicle heat management system provided in an embodiment of the present invention is due to inheriting traditional vehicle
Engine and cooling system for speed changing box, it is easy to outside the implementation of plug-in hybrid electric vehicle heat management, connection is multiple in system
Thermal cycle path can in effective guarantee vehicle each several part heat management, accomplished the reasonable utilization of resource in vehicle again, met
Such as plug-in hybrid electric vehicle vehicle and each main parts size are in mixed dynamic model formula, electric-only mode, charge-sustaining mode, parking
Real-time heating and cooling requirement under a variety of applying working conditions such as charge mode.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of plug-in hybrid electric vehicle heat management system, including main SAPMAC method path, the main SAPMAC method path is dissipated by main
Hot device radiates to engine, gearbox, it is characterised in that the system also includes：Warm wind heats circulating path, including phase
Intercommunicated engine SAPMAC method branch way outlet, electric heat-producing machine, warm-air exchanger, circulating pump one, two-way valve one, engine is cold follows
Ring branch road entrance, the warm wind heating circulating path comprise at least engine SAPMAC method heat heating work when engine works
Electric heat-producing machine heating mode of operation when pattern and engine do not work.
2. system according to claim 1, it is characterised in that under the engine SAPMAC method heat heating mode of operation
Warm wind heating circulating path includes the interconnected engine SAPMAC method branch way outlet, the electric heat-producing machine, the warm wind
Heat exchanger, the circulating pump one, a valve port of the two-way valve one, the engine SAPMAC method branch road entrance.
3. system according to claim 1, it is characterised in that the warm wind heating under the electric heat-producing machine heating mode of operation
Circulating path includes the interconnected electric heat-producing machine outlet, the warm-air exchanger, the circulating pump one, the two-way valve
One another valve port, electric heat-producing machine entrance.
4. system according to claim 1, it is characterised in that the system also includes auxiliary heat dissipation circulating path, and this is auxiliary
Radiating circulating path is helped to be radiated by additional cooler to in-car electric device, the electric device includes LE, driving electricity
Machine, DCDC, electric air-conditioning, the auxiliary heat dissipation circulating path include the interconnected additional cooler, two-way valve two, followed
Ring pump two, the LE, the motor, the DCDC, electric air-conditioning connection.
5. system according to claim 1, it is characterised in that the system also includes air conditioner refrigerating circulating path, the sky
Modulating SAPMAC method path includes cold wind circulation branch road and battery bag cooling circulation branch road, and the cold wind circulation branch road includes mutually interconnecting
The logical electric air-conditioning refrigerant outlet, one-way valve one, cold wind heat exchanger, circulating pump three, the electric air-conditioning refrigerant enter
Mouthful；The battery bag cooling circulation branch road includes interconnected the electric air-conditioning refrigerant outlet, one-way valve two and battery
Heat exchanger one, the circulating pump three, the electric air-conditioning refrigerant inlet of packet system pipeline connection.
6. system according to claim 5, it is characterised in that the one-way valve one, the one-way valve two replace with one
Two-way valve three, two valve ports of the two-way valve three connect with the cold wind heat exchanger and the heat exchanger one respectively.
7. system according to claim 5, it is characterised in that the battery pack system pipeline includes interconnected battery
Assure road, circulating pump four, charger pipeline, the battery bag pipeline, the circulating pump four, the charger pipeline, the heat
The connection of exchanger one forms the battery pack system intercooling cycle path.
8. system according to claim 5, it is characterised in that the system also includes battery bag heating circulating path, should
Battery bag heating circulating path includes interconnected cycle of engine branch way outlet, one-way valve three, circulating pump five, heat exchanger
2nd, cycle of engine branch road entrance, the heat exchanger two and the battery pack system pipeline connection.
9. according to the system described in any one of claim 1 to 8, it is characterised in that the system also includes control device, the control
Device processed follows with all heat including the main radiator, the electric heat-producing machine, the circulating pump one, the two-way valve one
Ring electric device electrically connects, and the control device is used for the flow direction and flow for controlling hot circulating medium in whole system pipeline.
10. system according to claim 9, it is characterised in that the system also includes compensator equipment, the compensator
Equipment and the control device, the main SAPMAC method path, warm wind heating circulating path, auxiliary heat dissipation circulation road
Footpath, the air conditioner refrigerating circulating path, the battery pack system intercooling cycle path, battery bag heating circulating path connect
It is logical, the compensator equipment be used to carry out in system the automatic compensating operation of the hot circulating medium of all pipelines or part pipeline and
Bleeding.
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