CN207916512U - 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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- 238000010438 heat treatment Methods 0.000 claims abstract description 66
- 238000000034 method Methods 0.000 claims abstract description 41
- 238000001816 cooling Methods 0.000 claims description 33
- 238000004378 air conditioning Methods 0.000 claims description 28
- 239000003507 refrigerant Substances 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 11
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 claims description 8
- 230000000740 bleeding effect Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002918 waste heat Substances 0.000 abstract description 3
- 239000002826 coolant Substances 0.000 description 23
- 239000007788 liquid Substances 0.000 description 19
- 238000010586 diagram Methods 0.000 description 18
- 238000005516 engineering process Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241001573881 Corolla Species 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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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
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Abstract
The utility model discloses a kind of plug-in hybrid electric vehicle heat management systems, 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 radiate to engine, gearbox by main radiator, which is characterized in that the system also includes：Warm wind heats circulating path, it is made 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 entrance, electric heat-producing machine heating operating mode when engine SAPMAC method heat heating operating mode and engine when the warm wind heating circulating path includes at least engine work do not work, the warm wind requirement of vehicle can either be met, the waste heat of engine radiating generation is taken full advantage of again, so that the energy in vehicle is rationally recycled and is utilized, it is energy saving to achieve the effect that.
Description
Technical field
The utility model is related to hybrid electric vehicle technical fields, more particularly to a kind of plug-in hybrid electric vehicle heat management system
System.
Background technology
With Global Oil resource exhaustion and national emission regulation it is harsh, electric vehicle is due to the use of reproducible electricity
Energy resource, cleanliness without any pollution are increasingly paid attention to by domestic major vehicle factor.Major vehicle factor competitively puts into huge manpower
Material resources remove research and development 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 with foreign countries based on vehicle, held up as the Corolla of Toyota is double/thunder Ling Shuan holds up, on domestic market
Ripe plug-in hybrid electric vehicle type almost without, but this kind of vehicle can the energy-saving and emission-reduction as hybrid electric vehicle, also can
Pure electric drive is realized in charging as pure electric vehicle, has extraordinary market promotion prospect.However since plug-in mixing is dynamic
The larger capacity batteries that power vehicle is required using double drive structure Coupling, pure electric drive mode cause technical difficulty high, need height
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
It asks, is one of the key technology that the needs of current plug-in hybrid electric vehicle are captured.
Patent 201520192187.X discloses a kind of battery pack temperature management system can be used for hybrid electric vehicle, passes through
Air cooling system carries out warm wind heating, liquid cooling system carries out liquid cooling mode and manages battery pack temperature, solves existing battery pack
Temperature management individually uses liquid cooling or the air-cooled low efficiency problem being heated or cooled, although having one compared with the existing technology
It is fixed to improve, however simple heat a kind of while that there is heating and refrigerating function is also only provided in terms of for battery pack heating
Management system makes a kind of satisfaction mixing there is no multiple heat circulating systems of the hybrid power system of hybrid electric vehicle are combined
The integrated thermal management system of power entire car.
Utility model content
In order to solve problems in the prior art, the utility model embodiment provides a kind of plug-in hybrid electric vehicle heat pipe
Reason system.The technical solution 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
It is radiated to engine, gearbox by main radiator, which is characterized in that the system also includes：Warm wind heats the circulation path
Diameter, 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 entrance, the warm wind heating circulating path include at least engine SAPMAC method life when engine works
Electric heat-producing machine heating operating mode when heat heating operating mode and engine do not work.
Preferably, the warm wind heating circulating path under the engine SAPMAC method heat heating operating mode 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 entrance.
Preferably, the warm wind heating circulating path under the electric heat-producing machine heating operating mode includes interconnected described
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, which passes through auxiliary heat dissipation
Device radiates to interior electric device, and the electric device includes LE, driving 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 driving motor,
The DCDC, electric air-conditioning connection.
Preferably, the system also includes air conditioner refrigerating circulating path, which includes cold wind cycle
Branch and battery pack cooling cycle branch, the cold wind circulation branch road include that the interconnected electric air-conditioning refrigerant goes out
Mouth, one-way valve one, cold wind heat exchanger, circulating pump three, the electric air-conditioning refrigerant inlet；The battery pack cooling cycle branch
Heat exchanger including the interconnected electric air-conditioning refrigerant outlet, one-way valve two and battery pack system pipeline connection
One, 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 is connected to the cold wind heat exchanger and the heat exchanger one respectively.
Preferably, the battery pack system pipeline includes interconnected battery pack pipeline, circulating pump four, charger pipe
Road, the battery pack pipeline, the circulating pump four, the charger pipeline, the connection of the heat exchanger one constitute the battery
Packet system intercooling cycle path.
Preferably, the system also includes battery packs to heat circulating path, and it includes mutual which, which heats circulating path,
Cycle of engine branch way outlet, one-way valve three, circulating pump five, heat exchanger two, the cycle of engine branch entrance of connection, it is described
Heat exchanger two and the battery pack system pipeline connection.
Preferably, the system also includes control device, which heats with including the main radiator, the electricity
All thermal cycle electric devices electrical connection including device, the circulating pump one, the two-way valve one, the control device is for controlling
The flow direction and flow of hot circulating medium in whole system pipeline.
Preferably, the system also includes compensator equipment, 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 pack heating circulating path connection, the compensator equipment is for carrying out system
The automatic compensating operation of the hot circulating medium of interior all pipelines or part pipeline and bleeding.
The advantageous effect brought of technical solution that the utility model embodiment provides is：
1, the heat management system has the characteristics that Transmission Engine driving and electric drive according to plug-in hybrid electric vehicle,
The main SAPMAC method path of the driving devices such as engine will be connected to the heating path of electric heat-producing machine, forms the warm wind in this system
Path is heated, can be realized when engine SAPMAC method heat heating operating mode and engine when engine work do not work
Electric heat-producing machine heats operating mode, can either meet the warm wind requirement of vehicle, and takes full advantage of the useless of engine radiating generation
Heat so that the energy in vehicle is rationally recycled and utilized, and vehicle energy consumption is reduced；
2, increase auxiliary heat dissipation circulating path, radiated to interior electric device by additional cooler, ensure driving
The performance when low temperature of motor/LE/DCDC/ electric air-conditionings；
3, the air conditioner refrigerating circulating path being arranged in system is cooled down electric using the electric air-conditioning refrigerant for providing interior cold wind
Chi Bao and charger ensure that battery pack system is in safe handling temperature model always in vehicle operation and parking charging process
It encloses；
4, the battery pack heating circulating path being arranged in system allows engine coolant to take away useless using engine work
Heat goes heating battery pack, battery low temperature electric load is improved, and without consumption vehicle energy, when effectively reducing the charging of low temperature battery packet
Between；
5, the cooling and heating in battery pack system intercooling cycle path use changeable flow regulation technology scheme, ensure electricity
The cooling of Chi Bao and heating needs accurately control；In addition compensator equipment is arranged in entire heat management system, ensures each circuit cooling
The automatic compensation and tonifying Qi operation of liquid, to realize equilibrium, the smooth circulation of circulating cooling liquid.
Generally speaking, the plug-in hybrid electric vehicle heat management system that the utility model embodiment provides is passed due to inheriting
System car engine and cooling system for speed changing box, are easy to except the implementation of plug-in hybrid electric vehicle heat management, are connected in system
Multiple thermal cycle paths can in effective guarantee vehicle in the heat management of each section and vehicle resource reasonable utilization,
Meet such as plug-in hybrid electric vehicle vehicle and each main parts size mixed dynamic model formula, electric-only mode, charge-sustaining mode,
Real-time heating under a variety of applying working conditions such as parking charge mode and cooling requirement.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the plug-in hybrid electric vehicle heat management system structure schematic diagram that the utility model embodiment provides；
Fig. 2 is the warm wind heating cycle in the plug-in hybrid electric vehicle heat management system that the utility model embodiment provides
The work flow diagram in path；
Fig. 3 is the plug-in hybrid electric vehicle heat management system structure schematic diagram that the utility model embodiment provides；
Fig. 4 is the plug-in hybrid electric vehicle heat management system structure partial schematic diagram that the utility model embodiment provides；
Fig. 5 is the air conditioner refrigerating cycle in the plug-in hybrid electric vehicle heat management system that the utility model embodiment provides
Path work flow diagram；
Fig. 6 is the air conditioner refrigerating cycle in the plug-in hybrid electric vehicle heat management system that the utility model embodiment provides
Path work flow diagram；
Fig. 7 is the plug-in hybrid electric vehicle heat management system structure partial schematic diagram that the utility model embodiment provides；
Fig. 8 is that the battery pack heating in the plug-in hybrid electric vehicle heat management system that the utility model embodiment provides follows
Endless path work flow diagram；
Fig. 9 is the plug-in hybrid electric vehicle heat management system structure schematic diagram that the utility model embodiment provides；
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 the plug-in hybrid electric vehicle heat management system structure schematic diagram that the utility model embodiment provides.
Reference sign：
One-P1 of circulating pump, 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
Valve 2, two-P2 of circulating pump, one-one-way valve of one-way valve 1, two-one-way valve of one-way valve 2, three-P3 of circulating pump, four-P4 of circulating pump, heat
One-heat exchanger of exchanger 1, three-one-way valve of one-way valve 3, five-P5 of circulating pump, two-heat exchanger of heat exchanger 2.
Specific implementation mode
To keep the purpose of this utility model, technical solution and advantage clearer, implement below in conjunction with the utility model
Attached drawing in example, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described reality
It is only the utility model a part of the embodiment to apply example, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this reality
With novel protected range.
It should be noted that term " component one ", " component two " are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic." component one ", " component two " are defined as a result,
Feature can explicitly or implicitly include one or more this feature.In the description of the present invention, " multiple "
It is meant that two or more, unless otherwise specifically defined.
The plug-in hybrid electric vehicle heat management system that the utility model embodiment provides, according to plug-in hybrid electric vehicle
Have the characteristics that Transmission Engine driving and electric drive, the main SAPMAC method path of the driving devices such as engine and electricity will be heated
The heating path of device is connected to, and the warm wind formed in this system heats path, can be realized that engine when engine work is cold and be followed
Electric heat-producing machine heating operating mode when ring heat heating operating mode and engine do not work, can either meet the warm wind of vehicle
It is required that and take full advantage of the waste heat that engine radiating generates so that the energy in vehicle is rationally recycled and is utilized, to
Achieve the effect that energy saving.
Below in conjunction with specific embodiment and its attached drawing, the plug-in hybrid electric vehicle that the utility model embodiment is provided
Heat management system is described further.
Fig. 1 is the plug-in hybrid electric vehicle heat management system structure schematic diagram that the utility model embodiment provides.Such as Fig. 1
Shown, the plug-in hybrid electric vehicle heat management system that the utility model embodiment provides remains the SAPMAC method of traditional vehicle, i.e.,
Main SAPMAC method path in this system, radiates to engine coolant by main radiator, then complete coupled engines, change
Cooling when fast case work generally has two kinds of cycle and outer circulation in engine coolant, is controlled and switched by TOT, carried by P-1
For circulation power；Gearbox cooling provides circulation power by P-2 and pushes coolant liquid, is cooled down to gear box hydraulic oil by ATR,
Internal flow cools down to gearbox to hydraulic oil again.
The plug-in hybrid electric vehicle heat management system that the utility model embodiment provides, in addition to above-mentioned main SAPMAC method road
Diameter further includes：Warm wind heats circulating path, by engine SAPMAC method branch way outlet, electric heat-producing machine, warm-air exchanger, P1, bilateral
Valve 1, the connection of engine SAPMAC method branch entrance are constituted.Warm wind heating circulating path includes at least to be started when engine works
Electric heat-producing machine heating operating mode when machine SAPMAC method heat heating operating mode and engine do not work, wherein P1 provide cooling
Liquid circulation power.In addition to this, can also include being carried out at the same time the heating of cycle of engine heat and electric heat-producing machine system as needed
The operating mode of heat, such as when one of which operating mode is not enough to provide the warm wind resource needed for vehicle, this may be used
Kind operating mode.
Preferably, the warm wind under engine SAPMAC method heat heating operating mode 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 entrance are sequentially communicated
It constitutes.Under this kind of operating mode, when engine works, engine coolant temperature increases, by the engine coolant drawn
Interior warm wind is provided by warm-air exchanger.
Preferably, circulating path is exported the warm wind heating under electric heat-producing machine heating operating mode 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 operating mode, the pure electricity of vehicle
Dynamic mode operation and when engine does not work, gives coolant liquid to heat, coolant liquid is provided by warm-air exchanger by electronic heat-producing machine
Interior warm wind.Due to plug-in hybrid electric vehicle heat management system to vehicle carry out warm wind heating cycle when, can be according to need
It is selected so that meet warm wind requirement of the vehicle in the case where different dynamic drives operating mode, and reached reasonable using whole
The purpose of interior resource.
Fig. 2 is the warm wind heating cycle in the plug-in hybrid electric vehicle heat management system that the utility model embodiment provides
The work flow diagram in path.As shown in Fig. 2, in the plug-in hybrid electric vehicle heat management system that the utility model embodiment provides
Warm wind heating circulating path the course of work it is as follows：
Start warm wind heating cycle in vehicle, P1 does not start at this time；
Judge whether car has warm wind demand, returns to previous step if not and recycled, if so, further judging engine
Whether have been turned on, if so, P1 starts, two-way valve 1 leads to engine SAPMAC method branch 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 electric heat-producing machine is run, until terminating.
Preferably, as shown in figure 3, the plug-in hybrid electric vehicle heat management system that the utility model embodiment provides also wraps
Auxiliary heat dissipation circulating path is included, which radiates to interior electric device by additional cooler, institute
It includes LE, driving motor, DCDC, electric air-conditioning to state electric device, auxiliary heat dissipation circulating path by additional cooler, two-way valve 2,
P2, LE, driving motor, DCDC, electric air-conditioning connection are constituted.Wherein, P2 is for providing low-temperature circulating power, 2 basis of two-way valve
Whether electric air-conditioning needs heat dissipation to adjust coolant flow paths.By additional cooler to the electronic dress of plug-in hybrid electric vehicle
Coolant liquid in setting radiates, the heat that coolant liquid is generated with electric device work, to ensure that electric device is located always
In the smaller low temperature range of difference variation, the performance of electric device is ensured.
Fig. 4 is the plug-in hybrid electric vehicle heat management system part-structure schematic diagram that the utility model embodiment provides,
As shown in figure 4, system further includes air conditioner refrigerating circulating path, which includes cold wind circulation branch road and battery
Packet cooling cycle branch, cold wind circulation branch road is by electric air-conditioning refrigerant outlet, one-way valve 1, cold wind heat exchanger, P3, electronic sky
Refrigerant inlet is adjusted to be sequentially communicated composition；Battery pack cooling cycle branch route electric air-conditioning refrigerant outlet, one-way valve 2 and electricity
Heat exchanger 1, P3, the electric air-conditioning refrigerant inlet of pond packet system pipeline connection are sequentially communicated composition.Setting in this way
It sets, there are two purposes for the refrigerant in electric air-conditioning, and one is for providing interior cold wind, another purposes is that refrigerant passes through
Heat exchanger 1 cools down to battery pack coolant liquid, and the coolant liquid after cooling is in battery pack pipeline-P4- chargers pipeline-heat exchange
The battery pack system intercooling cycle path that device 1 forms provides circulation power by P4, and cycle is got up to drop to battery pack and charger
Temperature.The selection of both purposes circulating paths of electric air-conditioning refrigerant can be controlled by one-way valve 1 and one-way valve 2, no
The cold wind requirement of vehicle is only met, while can also realize the cooling function to battery pack system, has advanced optimized entire heat
Heat management effect of management system.
Fig. 5-Fig. 6 is the air conditioner refrigerating in the plug-in hybrid electric vehicle heat management system that the utility model embodiment provides
Circulating path work flow diagram.As shown in figure 5, the cold wind circulation branch road course of work therein can proceed as follows：
Start refrigerant circulation in vehicle, P3 does not start at this time, and electric air-conditioning does not work, one-way valve 1 is not turned on；
Judge whether car has cold wind demand, returns to previous step if not and recycled, it is electronic if check valve 1 is connected
Air-conditioning work, P3 start, until terminating.
As shown in fig. 6, the battery pack cooling cycle branch course of work therein can proceed as follows：
Start refrigerant circulation in vehicle, P3 does not start at this time, and electric air-conditioning does not work, one-way valve 2 is not turned on；
Judge whether battery pack system has cooling demand, return to previous step if not and recycled, 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 three (not shown) of two-way valve, and the two of two-way valve three
A valve port is connected to cold wind heat exchanger and heat exchanger 1 respectively, and replacing non-two-way valve by two one-way valves makes to circulating path
Control it is more convenient, and reduce constituent system components quantity, simplify system structure, saved cost.
Fig. 7 is the plug-in hybrid electric vehicle heat management system structure partial schematic diagram that the utility model embodiment provides.
Additionally preferably, in order to realize the heating function to battery pack system, heat management system further includes battery pack heating
Circulating path, as shown in fig. 7, the battery pack 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 entrance are constituted, heat exchanger 2 and battery pack system pipeline connection.It is worked and is generated by engine
Waste heat heat up engine coolant, P5 provide circulation power, the higher engine coolant of temperature by heat exchanger 1 give by
Coolant liquid heating, P4 provide circulation power in the battery pack system intercooling cycle path of battery pack and charger composition, and can
The rate for cooling down or heating come regulating cell packet by P4 regulating cell packet coolant liquid low circulation flows, to battery pack and fill
Motor heats, and has not only realized the heating function to battery pack system, but also provide heat source without additional power so that in vehicle
Resource is more preferably utilized, and thermal cycle management in vehicle is optimized.
Fig. 8 is that the battery pack heating in the plug-in hybrid electric vehicle heat management system that the utility model embodiment provides follows
Endless path work flow diagram.As shown in figure 8, the battery pack heating circulating path course of work can proceed as follows：
Start battery heating cycle, P5 does not start at this time, and one-way valve 3 is not turned on；
Judge whether engine starts, is recycled if it is not, returning to previous step；If so, further judging battery pack system
Whether system has demand for heat, if it is not, returning to initial step, if so, one-way valve 3 is connected, P5 starts, until terminating.
Fig. 9 is the plug-in hybrid electric vehicle heat management system structure schematic diagram that the utility model embodiment provides,
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.
Preferably, the plug-in hybrid electric vehicle heat management system system that the utility model embodiment provides further includes control
Device, 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 dress
It sets and is connect with the thermal cycle electric device of all circulating paths in heat management system, followed for controlling heat in whole system pipeline
The flow direction and flow of ring medium.
As shown in Figure 10, the battery pack system changeable flow cooling heating course of work can proceed as follows：
Battery pack system changeable flow circulating path is opened, P3, P5 do not start at this time, and one-way valve 2,3 is not turned on, and P4 starts
Default low-power, coolant liquid low discharge cycle；
Judge whether battery pack system there are cooling heating needs, is recycled if it is not, returning to previous step, if so, into one
Step judges whether battery pack system has cooling demand, and a steps and b step are carried out according to judging result；
Wherein, when above-mentioned judging result is to be, a steps are carried out, specifically, one-way valve 2 starts, and P3 starts, and judges electricity
Whether Chi Bao exceeds high temperature limit value, if so, promoting P4 to default high power, carries out coolant liquid high flow capacity circulation temperature lowering, Zhi Daojie
Beam；If it is not, promoting P4 to default middle power, flow circulation temperature lowering in coolant liquid is carried out, until terminating.
When above-mentioned judging result is no, b step is carried out, specifically, one-way valve 3 starts, and P5 starts, and judges battery pack temperature
Whether degree is less than low temperature limit value, if so, promoting P4 to default high power, carries out the cycle heating of coolant liquid high flow capacity；If it is not, being promoted
P4 carries out flow in coolant liquid and recycles to default middle power.
Figure 11 is the plug-in hybrid electric vehicle heat management system structure schematic diagram that the utility model embodiment provides.
Preferably, as shown in figure 11, the plug-in hybrid electric vehicle heat management system system that the utility model embodiment provides
System further includes compensator equipment, and compensator equipment is dissipated with control device, main SAPMAC method path, warm wind heating circulating path, auxiliary
Thermal cycle path, air conditioner refrigerating circulating path, battery pack system intercooling cycle path, battery pack heating circulating path connection, put down
Weighing apparatus tank 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 solutions, may be used the alternative embodiment that any combination forms the utility model, herein
No longer repeat one by one.
According to above-described embodiment and practice it is found that the plug-in hybrid electric vehicle heat management that the utility model embodiment provides
System compared with prior art, achieves following technique effect：
1, the heat management system has the characteristics that Transmission Engine driving and electric drive according to plug-in hybrid electric vehicle,
The main SAPMAC method path of the driving devices such as engine will be connected to the heating path of electric heat-producing machine, forms the warm wind in this system
Path is heated, can be realized when engine SAPMAC method heat heating operating mode and engine when engine work do not work
Electric heat-producing machine heats operating mode, can either meet the warm wind requirement of vehicle, and takes full advantage of the useless of engine radiating generation
Heat so that the energy in vehicle is rationally recycled and utilized, and vehicle energy consumption is reduced；
2, increase auxiliary heat dissipation circulating path, radiated to interior electric device by additional cooler, ensure driving
The performance when low temperature of motor/LE/DCDC/ electric air-conditionings；
3, the air conditioner refrigerating circulating path being arranged in system is cooled down electric using the electric air-conditioning refrigerant for providing interior cold wind
Chi Bao and charger ensure that battery pack system is in safe handling temperature model always in vehicle operation and parking charging process
It encloses；
4, the battery pack heating circulating path being arranged in system allows engine coolant to take away useless using engine work
Heat goes heating battery pack, battery low temperature electric load is improved, and without consumption vehicle energy, when effectively reducing the charging of low temperature battery packet
Between；
5, the cooling and heating in battery pack system intercooling cycle path use changeable flow regulation technology scheme, ensure electricity
The cooling of Chi Bao and heating needs accurately control；In addition compensator equipment is arranged in entire heat management system, ensures each circuit cooling
The automatic compensation and tonifying Qi operation of liquid, to realize equilibrium, the smooth circulation of circulating cooling liquid.
Generally speaking, the plug-in hybrid electric vehicle heat management system that the utility model embodiment provides is passed due to inheriting
System car engine and cooling system for speed changing box, are easy to except the implementation of plug-in hybrid electric vehicle heat management, are connected in system
Multiple thermal cycle paths can in effective guarantee vehicle in the heat management of each section and vehicle resource reasonable utilization,
Meet such as plug-in hybrid electric vehicle vehicle and each main parts size mixed dynamic model formula, electric-only mode, charge-sustaining mode,
Real-time heating under a variety of applying working conditions such as parking charge mode and cooling requirement.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of plug-in hybrid electric vehicle heat management system, including main SAPMAC method path, which is dissipated by main
Hot device radiates to engine, gearbox, which is characterized 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 entrance, the engine SAPMAC method heat that the warm wind heating circulating path includes at least when engine works heat work
Electric heat-producing machine when pattern and engine do not work heats operating mode.
2. system according to claim 1, which is characterized in that under the engine SAPMAC method heat heating operating mode
Warm wind heats the engine SAPMAC method branch way outlet that circulating path includes interconnected, 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 entrance.
3. system according to claim 1, which is characterized in that the warm wind heating under the electricity heat-producing machine heating operating mode
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, which is characterized in that the system also includes auxiliary heat dissipation circulating paths, this is auxiliary
Heat dissipation circulating path is helped to radiate to interior electric device by additional cooler, 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, follow
Ring pump two, the LE, the driving motor, the DCDC, electric air-conditioning connection.
5. system according to claim 1, which is characterized in that the system also includes air conditioner refrigerating circulating path, the skies
Modulation SAPMAC method path includes cold wind circulation branch road and battery pack cooling cycle branch, and the cold wind circulation branch road includes mutually interconnecting
Logical electric air-conditioning refrigerant outlet, one-way valve one, cold wind heat exchanger, circulating pump three, electric air-conditioning refrigerant inlet；The electricity
Pond packet cooling cycle branch include the interconnected electric air-conditioning refrigerant outlet, one-way valve two, with battery pack system pipe
Heat exchanger one, the circulating pump three, the electric air-conditioning refrigerant inlet of road connection.
6. system according to claim 5, which is characterized in that the one-way valve one, the one-way valve two replace with one
Two valve ports of two-way valve three, the two-way valve three are connected to the cold wind heat exchanger and the heat exchanger one respectively.
7. system according to claim 5, which is characterized in that the battery pack system pipeline includes interconnected battery
Assure road, circulating pump four, charger pipeline, the battery pack pipeline, the circulating pump four, the charger pipeline, the heat
The connection of exchanger one constitutes battery pack system intercooling cycle path.
8. system according to claim 5, which is characterized in that the system also includes battery packs to heat circulating path, should
Battery pack heats the cycle of engine branch way outlet that circulating path includes interconnected, one-way valve three, circulating pump five, heat exchanger
Two, cycle of engine branch entrance, the heat exchanger two and the battery pack system pipeline connection.
9. according to claim 1 to 8 any one of them system, which is characterized in that the system also includes control device, the controls
Device processed is followed with all heat including the main radiator, the electric heat-producing machine, the circulating pump one, the two-way valve one
Ring electric device is electrically connected, which is used to control the flow direction and flow of hot circulating medium in whole system pipeline.
10. system according to claim 9, which is characterized in that the system also includes compensator equipment, the compensator
Equipment is connected to the control device, the main SAPMAC method path, warm wind heating circulating path, and the compensator equipment is used
Automatic compensating operation in the hot circulating medium of all pipelines or part pipeline in carry out system and bleeding.
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| CN201721350885.3U CN207916512U (en) | 2017-10-19 | 2017-10-19 | A kind of plug-in hybrid electric vehicle heat management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650621A (en) * | 2017-10-19 | 2018-02-02 | 汽-大众汽车有限公司 | A kind of plug-in hybrid electric vehicle heat management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650621A (en) * | 2017-10-19 | 2018-02-02 | 汽-大众汽车有限公司 | A kind of plug-in hybrid electric vehicle heat management system |
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