CN209683391U - Electrombile thermal management system and electric vehicle - Google Patents
Electrombile thermal management system and electric vehicle Download PDFInfo
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- CN209683391U CN209683391U CN201920289418.7U CN201920289418U CN209683391U CN 209683391 U CN209683391 U CN 209683391U CN 201920289418 U CN201920289418 U CN 201920289418U CN 209683391 U CN209683391 U CN 209683391U
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- heat exchanger
- source side
- management system
- thermal management
- heater
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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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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model embodiment discloses a kind of electrombile thermal management system and electric vehicle comprising: external heat exchanger, first throttle valve, gas-liquid separator, compressor, Intermediate Heat Exchanger, the first water pump and heater cores；Intermediate Heat Exchanger has heat source side and cold source side, and heat source side carries out heat with cold source side and exchanges；Coolant liquid in cold source side is evacuated to heater cores through the first water pump, and the coolant liquid in heater cores is discharged into cold source side；First inlet of external heat exchanger and the second leakage fluid dram of heat source side connect, first leakage fluid dram of external heat exchanger and the third inlet of gas-liquid separator connect, second inlet of heat source side is connected by the third leakage fluid dram of compressor and gas-liquid separator, and first throttle valve is arranged on the connecting line of first inlet and the second leakage fluid dram.It can be improved heat supply efficiency using the utility model embodiment, reduce energy consumption when heating, reduce electric vehicle power consumption, reduce the attenuation amplitude of course continuation mileage, improve course continuation mileage.
Description
Technical field
The utility model relates to vehicle technology fields, and in particular to a kind of electrombile thermal management system and electric vehicle.
Background technique
With gradually popularizing for electric vehicle in recent years, pure electric vehicle course continuation mileage is also increasingly longer, simultaneously for electric vehicle
The requirement of heat management is also higher and higher.
Currently, most of electric vehicle heating all uses high pressure electric heater, since its efficiency is lower, lead to electric quantity consumption
Greatly, cause course continuation mileage attenuation amplitude big, user experience is poor.
Utility model content
In view of this, the utility model embodiment proposes a kind of electrombile thermal management system and electric vehicle, it is above-mentioned to solve
Technical problem.
The utility model embodiment proposes a kind of electrombile thermal management system comprising: external heat exchanger, first throttle
Valve, gas-liquid separator, compressor, Intermediate Heat Exchanger, the first water pump and the heater cores to passenger compartment heat supply；The intermediate heat exchange
Device has heat source side and cold source side, and the heat source side carries out heat with cold source side and exchanges；Coolant liquid in the cold source side is through
One water pump is evacuated to heater cores, and the coolant liquid in heater cores is discharged into the cold source side；The first of the external heat exchanger into
Liquid mouth and the second leakage fluid dram of heat source side connect, the first leakage fluid dram of the external heat exchanger and the third feed liquor of gas-liquid separator
Second inlet of mouth connection, the heat source side is connect by compressor with the third leakage fluid dram of the gas-liquid separator, described
First throttle valve is arranged on the connecting line of first inlet and the second leakage fluid dram, and the refrigerant in external heat exchanger passes through
Intermediate Heat Exchanger transfers heat to the coolant liquid in heater cores, achievees the purpose that heating, and heat supply efficiency can be improved, and reduces and supplies
Energy consumption when warm reduces electric vehicle power consumption, reduces the attenuation amplitude of course continuation mileage, improves course continuation mileage, and structure
Simply, production cost is low.
Optionally, further includes: electric heater, the electric heater are arranged in the Intermediate Heat Exchanger and first water pump
Connecting line on, can need to carry out coolant liquid auxiliary heating according to the difference of environment temperature and user, improve in passenger compartment
Temperature.
Optionally, further includes: evaporator and second throttle for cooling down to passenger compartment, the external heat exchanger, institute
Evaporator, the gas-liquid separator are stated by three-way diverter valve connection, the liquid feeding end of evaporator is arranged in the second throttle
On the connecting line of three-way diverter valve, the outlet end of the evaporator is connect with the third inlet of the gas-liquid separator.
By setting evaporator and second throttle, it can cool down to passenger compartment, achieve the effect that refrigeration.
It optionally, further include by-passing valve, the first throttle valve is in parallel with by-passing valve, and refrigerant can lead in cooling mode
By-passing valve circulation is crossed, and is throttled without first throttle valve, guarantees the constant of flow rate of liquid and flow in pipeline, preferably adjusts
Temperature in cabin by bus.
Optionally, further includes: the second water pump, the battery cooler for cooling down to battery pack are used to heat to battery pack
Battery pack heater and third throttle valve, after the third throttle valve is connected with battery cooler, then with it is described second throttling
Valve and evaporator are in parallel, and the liquid feeding end of the battery cooler is connect with the outlet end of battery pack heater, and the battery is cooling
The outlet end of device is by the connection of the liquid feeding end of the second water pump and cell heater, it can be achieved that the cooling to battery pack, keeps battery
Packet is in comfortable temperature range, to ensure efficiency for charge-discharge.
Optionally, further includes: four-way reversing valve, connecting line between the battery cooler and battery pack heater with
Connecting line between heater cores and Intermediate Heat Exchanger is connected by four-way reversing valve.It, can be real by the way that four-way reversing valve is arranged
The refrigeration of existing battery pack and the conversion of heating mode, further keep battery pack to be in comfortable temperature range, preferably
Guarantee the efficiency for charge-discharge of battery pack.Moreover, electric heater can not only realize the heating to temperature in passenger compartment, electricity can be also heated
Chi Bao realizes that electric heater divided working status is public, not only simplifies the heat management system circuit of electric vehicle, reduce the component of system
Quantity reduces cost, also each component can be made to give full play to different effects under different operating conditions.
The utility model embodiment also provides a kind of electric vehicle comprising electrombile thermal management system as described above, outside
Refrigerant in portion's heat exchanger transfers heat to the coolant liquid in heater cores by Intermediate Heat Exchanger, achievees the purpose that heating,
Heat supply efficiency can be improved, reduce energy consumption when heating, reduce electric vehicle power consumption, reduce the attenuation amplitude of course continuation mileage,
Course continuation mileage is improved, and structure is simple, production cost is low.
Electrombile thermal management system provided by the embodiment of the utility model and electric vehicle pass through setting external heat exchanger, gas-liquid
Separator, compressor, Intermediate Heat Exchanger, the first water pump and heater cores, the refrigerant in external heat exchanger pass through Intermediate Heat Exchanger
The coolant liquid in heater cores is transferred heat to, achievees the purpose that heating, heat supply efficiency can be improved, reduces energy when heating
Consumption reduces electric vehicle power consumption, reduces the attenuation amplitude of course continuation mileage, improves course continuation mileage, and structure is simple, is produced into
This is low.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the electrombile thermal management system of the utility model embodiment.
Fig. 2 is the operation schematic diagram of the passenger compartment heating of the electrombile thermal management system of the utility model embodiment.
Fig. 3 is the operation schematic diagram of the passenger compartment refrigeration of the electrombile thermal management system of the utility model embodiment.
Fig. 4 is the passenger compartment of the electrombile thermal management system of the utility model embodiment and the work signal of battery pack refrigeration
Figure.
Fig. 5 is the operation schematic diagram of the first dehumidification mode of the electrombile thermal management system of the utility model embodiment.
Fig. 6 is the operation schematic diagram of second of dehumidification mode of the electrombile thermal management system of the utility model embodiment.
Fig. 7 is the passenger compartment of the electrombile thermal management system of the utility model embodiment and the work signal of battery pack heating
Figure.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, the technical solution of the utility model is described in detail.Wherein phase
Same components are presented with like reference characters.It should be noted that word "front", "rear" used in the following description,
"left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from specific
The direction at component geometry center.
Fig. 1 shows the structural schematic diagram of the electrombile thermal management system of the utility model embodiment, as shown in Figure 1, this
Utility model embodiment provide electrombile thermal management system, comprising: external heat exchanger 1, gas-liquid separator 15, compressor 16,
Intermediate Heat Exchanger 4, first throttle valve 3, the first water pump 6 and the heater cores 7 to passenger compartment heat supply.
The Intermediate Heat Exchanger 4 has heat source side and cold source side, and the heat source side carries out heat with cold source side and exchanges.
Coolant liquid in the cold source side is evacuated to heater cores 7 through the first water pump 6, and the coolant liquid in heater cores 7 is discharged into
In the cold source side.
First inlet of the external heat exchanger 1 and the second leakage fluid dram of heat source side connect, the external heat exchanger 1
First leakage fluid dram is connect with the third inlet of gas-liquid separator 15.
Second inlet of the heat source side is connect by compressor 16 with the third leakage fluid dram of the gas-liquid separator 15.
The first inlet of the external heat exchanger 1 and the second row of Intermediate Heat Exchanger 4 is arranged in the first throttle valve 3
On the connecting line of liquid mouth.
When electrombile thermal management system works, as shown in Fig. 2, the refrigerant in external heat exchanger 1 enters gas-liquid separator 15,
The heat source side of Intermediate Heat Exchanger 4 is fed through compressor 16, the heat of refrigerant is transmitted to cold source side, cold source by Intermediate Heat Exchanger 4
The coolant liquid of side is evacuated in heater cores 7 through the first water pump 6, is realized to heat supply in passenger compartment.
Coolant liquid after cooling is back to the cold source side of Intermediate Heat Exchanger 4.Refrigerant in Intermediate Heat Exchanger 4 enters first segment
Flow valve 3.
Refrigerant has the liquid of high temperature and pressure to be changed into the gas-liquid mixture of low-temp low-pressure under the action of first throttle valve 3,
It is then refluxed in external heat exchanger 1, absorbs ambient temperature and carry out heat temperature raising, then enter back into gas-liquid separator 15.
In a preferred embodiment of the utility model, refrigerant can be used R134a (HFA 134a) or
R1234yf (2,3,3,3- tetrafluoropropene), the mixed liquor of water and ethylene glycol can be used in coolant liquid.
Electrombile thermal management system provided by the embodiment of the utility model by setting external heat exchanger, gas-liquid separator,
Compressor, Intermediate Heat Exchanger, the first water pump and heater cores, the refrigerant in external heat exchanger are passed heat by Intermediate Heat Exchanger
The coolant liquid in heater cores is passed, achievees the purpose that heating, heat supply efficiency can be improved, energy consumption when heating is reduced, subtracts
Small electric vehicle power consumption reduces the attenuation amplitude of course continuation mileage, improves course continuation mileage, and structure is simple, production cost is low.
As shown in Fig. 2, electrombile thermal management system further include: electric heater 5, the electric heater 5 setting is in described
Between heat exchanger 4 and first water pump 6 connecting line on.
By the way that electric heater 5 is arranged, it can need to carry out coolant liquid auxiliary according to the difference and user of environment temperature and add
Heat improves the temperature in passenger compartment.
It, can be mainly by heat pump system when environment temperature is at -5 DEG C or more in a preferred embodiment of the utility model
System heat supply, the auxiliary heating of electric heater 5.
When environment temperature is at -5 DEG C or less, if heat pump system heat supply is insufficient, auxiliary heating ratio can be improved, mainly by
Electric heater 5 carries out auxiliary heating.
As shown in figure 3, electrombile thermal management system further include: evaporator 14 and the second throttling for cooling down to passenger compartment
Valve 12.
The external heat exchanger 1, the evaporator 14, the gas-liquid separator 15 are connected by three-way diverter valve 17.
The second throttle 12 is arranged on the liquid feeding end of evaporator 14 and the connecting line of three-way diverter valve 17, described
The outlet end of evaporator 14 is connect with the third inlet of the gas-liquid separator 15.
By setting evaporator 14 and second throttle 12, it can cool down to passenger compartment, achieve the effect that refrigeration.
Preferably, electrombile thermal management system further includes by-passing valve 2, the first throttle valve 3 is in parallel with by-passing valve 2.
By the way that by-passing valve 2 is arranged, refrigerant can be circulated by by-passing valve in cooling mode, and without first throttle valve
Throttling guarantees the constant of flow rate of liquid and flow in pipeline, preferably adjusts the temperature ridden in cabin.
Preferably, as shown in figure 4, electrombile thermal management system further include: third throttle valve 11, is used for second water pump 10
The battery cooler 13 to cool down to battery pack and the battery pack heater 9 for being heated to battery pack.
After the third throttle valve 11 is connected with battery cooler 13, then simultaneously with the second throttle 12 and evaporator 14
Connection.
Wherein, the third throttle valve 11 is arranged on the connecting line of battery cooler 13 and three-way diverter valve 17.
There are two liquid feeding end and two outlet ends for tool on battery cooler 13, wherein one of the battery cooler 13
Liquid feeding end is connect with third throttle valve 11, and an outlet end is connected on the pipeline between evaporator 14 and gas-liquid separator 15.
Another liquid feeding end of the battery cooler 13 is connect with the outlet end of battery pack heater 9.
Another outlet end of the battery cooler 13 is connected by the liquid feeding end of the second water pump 10 and battery pack heater 9
It connects.
By setting third throttle valve 11, the second water pump 10, battery cooler 13 and battery pack heater 9, it can be achieved that right
The cooling of battery pack keeps battery pack to be in comfortable temperature range, to ensure efficiency for charge-discharge.
Preferably, electrombile thermal management system further include: four-way reversing valve 8, the battery cooler 13 and battery pack add
The connecting line between connecting line and heater cores 7 and Intermediate Heat Exchanger 4 between hot device 9 is connected by four-way reversing valve 8.
By setting four-way reversing valve 8, it can be achieved that the refrigeration of battery pack and the conversion of heating mode, further keep electricity
Chi Bao is in comfortable temperature range, better ensures that the efficiency for charge-discharge of battery pack.
Moreover, electric heater 5 can not only realize the heating to temperature in passenger compartment, battery pack can be also heated, realizes that electricity adds
Hot 5 divided working status of device is public, not only simplifies the heat management system circuit of electric vehicle, reduces the number of components of system, reduce at
This, can also make each component give full play to different effects under different operating conditions.
As shown in Figure 1, by external heat exchanger 1, by-passing valve 2, first throttle valve 3, Intermediate Heat Exchanger 4, compressor 16, gas-liquid
Separator 15, evaporator 14, battery cooler 13, second throttle 12, third throttle valve 11 and three-way diverter valve 17 constitute heat
Pump refrigerant circulation circuit；
Heat pump heating is constituted by Intermediate Heat Exchanger 4, electric heater 5, the first water pump 6, heater cores 7 and four-way reversing valve 8
Water loop；
Battery pack heat management water is constituted by four-way reversing valve 8, battery pack heater 9, the second water pump 10, battery cooler 13
Circuit.
As shown in Fig. 2, in winter, for example, ambient temperature is -5 DEG C or more, by external heat exchanger 1, throttling of heat pump mechanism 3,
Intermediate Heat Exchanger 4, compressor 16, gas-liquid separator 15 and three-way diverter valve 17 constitute heat pump refrigerant circulation circuit, pass through centre
Heat exchanger 4 transfers heat to heat pump heating water loop, and provides heat by heater cores 7 for crew module.
When ambient temperature is -5 DEG C or less, auxiliary heating can be carried out by electric heater 5.
As shown in figure 3, under cooling in summer operating condition, such as on 25 DEG C, by external heat exchanger 1, by-passing valve 2, Intermediate Heat Exchanger
4, compressor 16, gas-liquid separator 15, evaporator 14, second throttle 12 and three-way diverter valve 17 constitute refrigeration cycle.
Second throttle 12 is opened, is cooled down by evaporator 14 to crew module.
As shown in figure 4, opening third throttle valve 11 on the basis of Fig. 3 mode, refrigerant passes through 13 pairs of electricity of battery cooler
The coolant liquid of pond packet heat management water loop cools down.
At this point, four-way reversing valve 8 is switched to shunt circuit, by heat pump heating water loop and battery pack heat management water loop point
From.
The coolant liquid to be cooled down passes through battery cooler 13, the second water pump 10, battery pack heater 9 and four-way reversing valve 8
The water loop of battery pack heat management is constituted, and is cooled down to battery pack.
As shown in figure 5, when needing warm wind to mix wind, opening the second water pump 6 on the basis of Fig. 4 mode, making to be changed by centre
Hot device 4, electric heater 5, the first water pump 6, heater cores 7 and four-way reversing valve 8 constitute heat pump heating water loop.Pass through warm wind core
Body 7 provides hot wind to crew module, to adjust vehicle interior temperature.
Dehumidification mode in Fig. 5 is suitble in partially warm spring and autumn, for example, ambient temperature is 15-25 DEG C.
As shown in fig. 6, circuit is passed through into first throttle valve 3 by closing by-passing valve 2 on the basis of Fig. 4 mode, it will be outer
Portion's heat exchanger 1 is switched to heat pump heating by refrigeration.
Heat pump refrigerant circulation circuit transfers heat to heat pump heating water loop by Intermediate Heat Exchanger 4, and passes through warm wind
Core 7 provides heat for crew module.
Meanwhile dehumidification function is provided for crew module by evaporator 14, it is provided by battery cooler 13 for battery pack cold
Amount, cools down.
The dehumidification mode of Fig. 6 is suitble to colder season in spring and autumn, for example, ambient temperature is 5-15 DEG C.
As shown in fig. 7, on the basis of Fig. 2 mode, by switching four-way reversing valve 8 for heat pump heating water loop and battery
Heat management circuit becomes connecting.That is, intermediate switch 4 is connected to battery pack heater 9, battery cooler 13 and heater cores 7
Connection.
At this point, Intermediate Heat Exchanger 4, electric heater 5, the first water pump 6, heater cores 7, four-way reversing valve 8, battery pack heat
Device 9, the second water pump 10, battery cooler 13 constitute the battery management water loop of heating, and heat pump refrigerant circulation circuit passes through centre
Heat exchanger 4 gives the heat transfer of refrigerant to battery pack heat management water loop, passes through the coolant liquid in battery pack heat management water loop
Heat battery pack.
In a preferred embodiment of the utility model, external heat exchanger 1 can be used existing air-conditioner outdoor unit and realize
Refrigeration and heating function, when refrigeration, external heat exchanger 1 is equivalent to condenser, and when heating, external heat exchanger 1 is equivalent to evaporator.
Floating ball throttle valve can be used in first throttle valve 3, second throttle 12 and third throttle valve.
Electronic water pump can be used in first water pump 6 and the second water pump 10, and high pressure electric heater can be used in electric heater 5.Gas
There are two the effect tools of liquid/gas separator 15, and one is the separation for realizing gas and liquid, the other is storage refrigerant, to meet system
When cold and heating, to the difference of coolant quantity demand, guarantee the normal operation of electrombile thermal management system.
The utility model embodiment also provides a kind of electric vehicle comprising electrombile thermal management system as described above.
Electric vehicle provided by the embodiment of the utility model passes through setting external heat exchanger, gas-liquid separator, compressor, centre
Heat exchanger, the first water pump and heater cores, the refrigerant temperature in external heat exchanger pass to heater cores by Intermediate Heat Exchanger
Interior coolant liquid, achievees the purpose that heating, and heat supply efficiency can be improved, and reduces energy consumption when heating, reduces electric vehicle power consumption
Amount reduces the attenuation amplitude of course continuation mileage, improves course continuation mileage, and structure is simple, production cost is low.
More than, the technical solution of the utility model is described in detail in conjunction with specific embodiments, it is described specific
Embodiment is used to help understand the thought of the utility model.Those skilled in the art are on the basis of the utility model specific embodiment
On the derivation made and modification also belong within scope of protection of the utility model.
Claims (7)
1. a kind of electrombile thermal management system characterized by comprising external heat exchanger, first throttle valve, gas-liquid separator,
Compressor, Intermediate Heat Exchanger, the first water pump and the heater cores to passenger compartment heat supply；The Intermediate Heat Exchanger have heat source side and
Cold source side, the heat source side carry out heat with cold source side and exchange；Coolant liquid in the cold source side is evacuated to warm wind through the first water pump
Core, the coolant liquid in heater cores are discharged into the cold source side；First inlet of the external heat exchanger and heat source side
The connection of second leakage fluid dram, the first leakage fluid dram of the external heat exchanger and the third inlet of gas-liquid separator connect, the heat
Second inlet of source is connect by compressor with the third leakage fluid dram of the gas-liquid separator, the first throttle valve setting
On the connecting line of first inlet and the second leakage fluid dram.
2. electrombile thermal management system as described in claim 1, which is characterized in that further include: electric heater, the electric heating
Device is arranged on the connecting line of the Intermediate Heat Exchanger and first water pump.
3. electrombile thermal management system as claimed in claim 2, which is characterized in that further include: for what is cooled down to passenger compartment
Evaporator and second throttle, the external heat exchanger, the evaporator, the gas-liquid separator are connected by three-way diverter valve
It connects, the second throttle is arranged on the liquid feeding end of evaporator and the connecting line of three-way diverter valve, and the evaporator goes out
Liquid end is connect with the third inlet of the gas-liquid separator.
4. electrombile thermal management system as claimed in claim 3, which is characterized in that it further include by-passing valve, the first throttle
Valve is in parallel with by-passing valve.
5. electrombile thermal management system as described in claim 3 or 4, which is characterized in that further include: the second water pump, for giving
Battery cooler, the battery pack heater and third throttle valve for being heated to battery pack of battery pack cooling, the third section
After stream valve is connected with battery cooler, then, the liquid feeding end of the battery cooler in parallel with the second throttle and evaporator
Connect with the outlet end of battery pack heater, the outlet end of the battery cooler by the second water pump and cell heater into
The connection of liquid end.
6. electrombile thermal management system as claimed in claim 5, which is characterized in that further include: four-way reversing valve, the battery
The connecting line between connecting line and heater cores and Intermediate Heat Exchanger between cooler and battery pack heater passes through four
Logical reversal valve connection.
7. a kind of electric vehicle, which is characterized in that including the electrombile thermal management system as described in claim 1-6 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289418.7U CN209683391U (en) | 2019-03-07 | 2019-03-07 | Electrombile thermal management system and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289418.7U CN209683391U (en) | 2019-03-07 | 2019-03-07 | Electrombile thermal management system and electric vehicle |
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| Publication Number | Publication Date |
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| CN209683391U true CN209683391U (en) | 2019-11-26 |
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| CN201920289418.7U Active CN209683391U (en) | 2019-03-07 | 2019-03-07 | Electrombile thermal management system and electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774422A (en) * | 2019-03-07 | 2019-05-21 | 威马智慧出行科技（上海）有限公司 | Electrombile thermal management system and electric vehicle |
-
2019
- 2019-03-07 CN CN201920289418.7U patent/CN209683391U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774422A (en) * | 2019-03-07 | 2019-05-21 | 威马智慧出行科技（上海）有限公司 | Electrombile thermal management system and electric vehicle |
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