CN107399221A - Thermal management system of electric automobile - Google Patents
Thermal management system of electric automobile Download PDFInfo
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- CN107399221A CN107399221A CN201710613903.0A CN201710613903A CN107399221A CN 107399221 A CN107399221 A CN 107399221A CN 201710613903 A CN201710613903 A CN 201710613903A CN 107399221 A CN107399221 A CN 107399221A
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- heating
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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
- B60H1/00007—Combined heating, ventilating, or cooling devices
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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
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of thermal management system of electric automobile, including compressor, expansion valve, car external heat exchanger, HVAC assemblies and the in-car evaporator being arranged in HVAC assemblies and in-car condenser, the compressor, expansion valve, car external heat exchanger, in-car evaporator and in-car condenser collectively form in-car refrigerating circuit, in-car heating loop, in-car defrosting/demisting loop and car external heat exchanger defrost loop.Using thermal management system of electric automobile provided by the invention, structure is novel, compact, it is easily achieved, solves the problems, such as the heating under worst cold case, improves the course continuation mileage of electric automobile air conditioner Energy Efficiency Ratio and electric automobile, in-car heating loop can be quickly switched into car external heat exchanger defrost loop, car external heat exchanger is produced heat, quickly realize the defrost to car external heat exchanger, and the heat that high-power electric appliance distributes can be utilized to heat in-car, both heating capacity is improved, has saved the energy again.
Description
Technical field
The invention belongs to electric vehicle engineering field, and in particular to a kind of thermal management system of electric automobile.
Background technology
Electric automobile refers to, using vehicle power as power, be travelled with power wheel, meets road traffic, security legislation
The vehicle of requirements.It is progressively strict with the requirement of energy-saving and emission-reduction because the relatively conventional automobile of influence to environment is smaller, electricity
The development prospect of electrical automobile is had an optimistic view of extensively.Because traditional fuel-engined vehicle heating is using the heating of water tank residual heat type
System, this heating service system are based on automobile engine, and therefore, electric automobile air conditioner must re-start design.
Air-conditioning system in existing thermal management system of electric automobile typically uses heat pump air conditioner, still, current heat pump
Air-conditioning not yet realizes heating problem of the refrigerant under worst cold case (more than -20 DEG C), causes electric automobile air conditioner Energy Efficiency Ratio low,
Influence the course continuation mileage of electric automobile.Also, the easy frosting of car external heat exchanger, is difficult to defrost under heating condition.Moreover, mesh
The heat that high-power electric appliance distributes is not used for preceding thermal management system of electric automobile.Solving problem above turns into when business
It is anxious.
The content of the invention
To solve above technical problem, the present invention provides a kind of thermal management system of electric automobile, and its is compact-sized, can either
Solve the problems, such as the heating under worst cold case (more than -20 DEG C), Energy Efficiency Ratio height, additionally it is possible to heated back under heating condition from in-car
Road can be quickly switched into car external heat exchanger defrost loop, and quick defrost is carried out to car external heat exchanger.
To achieve the above object, technical solution of the present invention is as follows：
A kind of thermal management system of electric automobile, including compressor, expansion valve, car external heat exchanger, HVAC assemblies and setting
In-car evaporator and in-car condenser in HVAC assemblies, it is characterized by：The compressor, expansion valve, car external heat exchanger,
In-car evaporator and in-car condenser collectively form in-car refrigerating circuit, in-car heating loop, in-car defrosting/demisting loop and car
External heat exchanger defrost loop；The in-car refrigerating circuit and car external heat exchanger defrost loop are by compressor, the car being sequentially communicated
External heat exchanger, expansion valve and in-car evaporator composition；The in-car heating loop and in-car defrosting/demisting loop by connecting successively
Logical compressor, in-car condenser, expansion valve and car external heat exchanger composition；It is provided with the HVAC assemblies and is used to aid in in-car
Heat the PTC electric heater of loop and in-car defrosting/demisting loop heating.
Using above structure, the present invention is not only able to fast-refrigerating, and under worst cold case (more than -20 DEG C)
Can quickly it heat, also, PTC electric heater can either aid in being heated when heat pump just brings into operation, and and can is enough extremely cold
Auxiliary is heated under weather condition, further increases heating effect；In addition, in-car heating loop can be quickly switched into car
External heat exchanger defrost loop, car external heat exchanger is produced heat, quickly realize the defrost to car external heat exchanger, compared to traditional heat
Pump air-conditioning, it is not necessary to which additionally increase car external condenser releases heat defrosting to car external heat exchanger 3 again, makes overall structure smaller
Ingeniously, it is compact, pipeline structure is simplified, improves refrigeration and heating efficiency；The present invention it is compact-sized, it is ingenious in design, can compared with
Normal work under adverse weather condition, realize in-car refrigeration, in-car heating, in-car defrosting/demisting and car external heat exchanger defrost
Function, the comfortableness and security of electric automobile are improved, also, Energy Efficiency Ratio is low, in the continuation of the journey for substantially increasing electric automobile
Journey.
As preferred：Also include waste heat recovery heater cores, car outer radiator, water pump and heat-generating units, wherein, it is described remaining
Recuperation of heat heater cores are located in HVAC assemblies, and the waste heat recovery heater cores, car outer radiator, water pump and heat-generating units are total to
With composition high-power electric appliance cooling circuit and heat recovery loop；The high-power electric appliance cooling circuit is by being sequentially communicated
The outer radiator of car, water pump, heat-generating units and waste heat recovery heater cores composition；The heat recovery loop is by being sequentially communicated
Waste heat recovery heater cores, water pump and heat-generating units composition.Using above structure, in-car evaporation is installed in HVAC assemblies
Device, in-car condenser, PTC electric heater and waste heat recovery heater cores, by waste heat recovery heater cores can when needed,
The heat that high-power electric appliance distributes is used, not only makes that hot blast can be sent out while starting of air conditioner heating mode, is realized
Quick heating, and the heating capacity of electric automobile is further increased, the energy is also a saving, reduces energy consumption.
As preferred：The high-power electric appliance cooling circuit includes the radiator water influent pipeline and radiator of the outer radiator of car
Drain pipe road, the water pump water influent pipeline of water pump and water pump drain pipe road, the heating water influent pipeline of heat-generating units and heating drain pipe
The waste heat core water influent pipeline and waste heat core drain pipe road of road and waste heat recovery heater cores；The radiator drain pipe Lu Yushui
Pump water influent pipeline connects, and the water pump drain pipe road connects with heating water influent pipeline, and the heating drain pipe road is entered with waste heat core
Liquid pipeline connects, and the waste heat core drain pipe road connects with radiator water influent pipeline.It is compact-sized using above structure, simply
Reliably, the cooling to high-power electric appliance has been implemented.
As preferred：The heat recovery loop pumps out liquid including pipeline seven, the water pump water influent pipeline of water pump and water
The heating water influent pipeline and the waste heat core water influent pipeline of heating drain pipe road and waste heat recovery heater cores of pipeline, heat-generating units
With waste heat core drain pipe road；The pipeline seven connects with waste heat core drain pipe road and water pump water influent pipeline respectively, and the water pumps out
Liquid pipeline connects with heating water influent pipeline, and the heating drain pipe road connects with waste heat core water influent pipeline.Using above structure, knot
Structure is compact, and reliability is high, has implemented heat recovery, while improving the heating capacity of electric automobile, saves
The energy, reduce energy consumption.
As preferred：The in-car refrigerating circuit and car external heat exchanger defrost loop include pipeline one, pipeline two, pipeline
3rd, the air inlet pipeline and drain pipe road of the first pipeline of car external heat exchanger and the second pipeline and compressor；The pipeline one divides
Do not connected respectively with the second pipeline and in-car evaporator with drain pipe road and the first pipeline connection, the pipeline two, the pipeline
Three connect with air inlet pipeline and in-car evaporator respectively.Using above structure, implemented heat pump air conditioner in-car refrigeration and
The function of car external heat exchanger defrost, it is not only able to freeze to in-car using above loop, and can be quick to car external heat exchanger
Defrosting, compact overall structure, reliability are high.
As preferred：The in-car heating loop and in-car defrosting/demisting loop include pipeline four, pipeline five, pipeline six,
The first pipeline and the second pipeline of car external heat exchanger and air inlet pipeline and the drain pipe road of compressor；The pipeline four respectively with
Drain pipe road connects with in-car condenser, the pipeline five respectively with in-car condenser and the second pipeline connection, the pipeline six
Respectively with air inlet pipeline and the first pipeline connection.Using above structure, in-car heating and the in-car of heat pump air conditioner have been implemented
The function of defrosting/demisting, in-car heating and defrosting to vehicle glass, demisting can be quickly realized using above loop, is improved
The comfortableness and security of electric automobile.
As preferred：Also include three-way solenoid valve one, magnetic valve one, magnetic valve two, wherein, the three-way solenoid valve one
Between compressor, car external heat exchanger and in-car condenser, the magnetic valve one is between compressor and car external heat exchanger, institute
Magnetic valve two is stated between car external heat exchanger and in-car evaporator；When magnetic valve one disconnects compressor and car external heat exchanger,
Magnetic valve two makes car external heat exchanger be connected with in-car evaporator, three-way solenoid valve one makes compressor be connected with car external heat exchanger, with
When in-car condenser disconnects, the in-car refrigerating circuit or car external heat exchanger defrost loop are formed；When magnetic valve one makes compressor
Connected with car external heat exchanger, magnetic valve two disconnects car external heat exchanger and in-car evaporator, three-way solenoid valve one make compressor with
When in-car condenser connection and car external heat exchanger disconnect, the in-car heating loop or in-car defrosting/demisting loop are formed.Adopt
With above structure, it can realize that in-car refrigerating circuit, car external heat exchanger defrost loop, in-car heating loop and in-car defrost/removed
Being switched fast between mist loop, especially in-car heating loop can be rapidly switched to car external heat exchanger defrost loop, with
The frost condensed on car external heat exchanger can be rapidly removed, substantially increases defrosting efficiency, shortens defrosting time, ensure that in-car multiplies
The comfortableness that member's air-conditioning uses.
As preferred：Also include three-way solenoid valve two, the three-way solenoid valve two is located at car outer radiator, water pump and waste heat and returned
Between receipts heater cores；When three-way solenoid valve two makes waste heat recovery heater cores be connected with radiator outside car, disconnected with water pump,
Form the high-power electric appliance cooling circuit；Three-way solenoid valve two makes waste heat recovery heater cores be connected with water pump, with being dissipated outside car
When hot device disconnects, the heat recovery loop is formed.Using above structure, can realize high-power electric appliance cooling circuit and
Being switched fast between heat recovery loop.
As preferred：Also include throttle orifice pipe and flash vessel, wherein, the flash vessel respectively with expansion valve, compressor and
Throttle orifice pipe connects, and the one end of the throttle orifice pipe away from flash vessel connects with car external heat exchanger.Using above structure, pass through sudden strain of a muscle
The design of steaming device, the twin-stage Gas-supplying enthalpy-increasing to compressor is realized, improve refrigeration and the efficiency of heating.
As preferred：There is preceding heat exchange chamber and rear heat exchange chamber, the preceding heat exchange chamber is changed with after in the HVAC assemblies
It is provided between hot chamber and slides air door, the in-car evaporator and in-car condenser is arranged in preceding heat exchange chamber, the waste heat
Reclaim heater cores and PTC electric heater is arranged in rear heat exchange chamber.Using above structure, effectively solve the interior of HVAC assemblies
Portion's flow field problems, the flow resistance of air is reduced, ensure that the speed of air, improve the uniformity of temperature.
Compared with prior art, the beneficial effects of the invention are as follows：
Using thermal management system of electric automobile provided by the invention, structure is novel, compact, it is easy to accomplish, solve low
Heating problem under warm operating mode (more than -20 DEG C), the course continuation mileage of electric automobile air conditioner Energy Efficiency Ratio and electric automobile is improved, no
Can only quickly defrosting be carried out to car external heat exchanger, additionally it is possible to in-car is heated using the heat that high-power electric appliance distributes, both carried
High heating capacity, has saved the energy again.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the schematic diagram in in-car refrigerating circuit and car external heat exchanger defrost loop；
Fig. 3 is the schematic diagram in in-car heating loop and in-car defrosting/demisting loop；
Fig. 4 is the schematic diagram of high-power electric appliance cooling circuit；
Fig. 5 is the schematic diagram in heat recovery loop；
Fig. 6 is the structural representation of HVAC assemblies.
Embodiment
The invention will be further described with accompanying drawing with reference to embodiments.
As shown in figure 1, a kind of thermal management system of electric automobile, including compressor 1, expansion valve 2, car external heat exchanger 3, HVAC
Assembly 4, car outer radiator 9, water pump 10 and heat-generating units 11 and the waste heat recovery heater cores 8 being arranged in HVAC assemblies 4,
In-car evaporator 5 and in-car condenser 6.The compressor 1, expansion valve 2, car external heat exchanger 3, in-car evaporator 5 and in-car are cold
Condenser 6 collectively forms in-car refrigerating circuit, in-car heating loop, in-car defrosting/demisting loop and car external heat exchanger defrost loop,
The waste heat recovery heater cores 8, car outer radiator 9, water pump 10 and heat-generating units 11 collectively form high-power electric appliance and cooled back
Road and heat recovery loop.Fast-refrigerating and heating are realized, and solves the heating under worst cold case (more than -20 DEG C)
Problem, the course continuation mileage of electric automobile air conditioner Energy Efficiency Ratio and electric automobile is improved, car external heat exchanger 3 can not only be carried out soon
Speed defrosting, additionally it is possible to heated using the heat that heat-generating units 11 distribute to in-car, both improve heating capacity, saved energy again
Source.Wherein, compressor 1 is Gas-supplying enthalpy-increasing compressor, and expansion valve 2 is electric expansion valve, and water pump 10 is electronic water pump, to improve system
Cold and heating ability.
Fig. 1 and Fig. 2 are referred to, the in-car refrigerating circuit and car external heat exchanger defrost loop are by the compression being sequentially communicated
Machine 1, car external heat exchanger 3, expansion valve 2 and in-car evaporator 5 form.Specifically, exchanged heat outside the in-car refrigerating circuit and car
Device defrost loop includes pipeline 1, pipeline 2 13, pipeline 3 14, the first pipeline 3a and the second pipeline of car external heat exchanger 3
3b and compressor 1 air inlet pipeline 1a and drain pipe road 1b.The pipeline 1 respectively with drain pipe road 1b and the first pipeline
3a is connected, and the pipeline 2 13 connects with the second pipeline 3b and in-car evaporator 5 respectively, the pipeline 3 14 respectively with air inlet pipe
Road 1a connects with in-car evaporator 5.When in refrigeration mode, the wind that the air blower 25 in HVAC assemblies 4 is blown out steams through in-car
The hair heat absorption of device 5 becomes cold wind, is then blown out from each air outlet.When in car external heat exchanger defrost pattern, car external heat exchanger 3
Heating, the frost that fast melt is condensed on its housing, compared to conventional heat pump air-conditioning, it is not necessary to additionally increase car external condenser again
Heat defrosting is released to car external heat exchanger 3, makes overall structure compacter, simplifies pipeline structure, refrigeration and heating efficiency are more
It is high.
Fig. 1 and Fig. 3 are referred to, the in-car heating loop and in-car defrosting/demisting loop are by the compression being sequentially communicated
Machine 1, in-car condenser 6, expansion valve 2 and car external heat exchanger 3 form.The in-car heating loop and in-car defrosting/demisting loop
Including pipeline 4 15, pipeline 5 16, pipeline 6 17, car external heat exchanger 3 the first pipeline 3a and the second pipeline 3b and compressor 1
Air inlet pipeline 1a and drain pipe road 1b.The pipeline 4 15 connects with drain pipe road 1b and in-car condenser 6 respectively, the pipe
Road 5 16 is connected with the in-car pipeline 3b of condenser 6 and second respectively, and the pipeline 6 17 is managed with air inlet pipeline 1a and first respectively
Road 3a is connected.When in heating mode, the wind that the air blower 25 in HVAC assemblies 4 is blown out becomes through the heating of in-car condenser 6
Hot blast, then blown out from each air outlet.When in in-car defrosting/demisting, the difference of itself and heating mode is air outlet
Conversion.
It is important to note that be provided with the HVAC assemblies 4 be used to aiding in in-car heating loop and in-car defrosting/
The PTC electric heater 7 of demisting loop heating, PTC electric heater 7 can either aid in being heated when heat pump just brings into operation,
And can is enough to be heated in cold district auxiliary, further increases heating capacity, heating capacity and heating speed.
Refer to Fig. 1 and Fig. 4, the high-power electric appliance cooling circuit by radiator 9 outside the car that is sequentially communicated, water pump 10,
Heat-generating units 11 and waste heat recovery heater cores 8 form；The high-power electric appliance cooling circuit includes the radiating of the outer radiator 9 of car
Device water influent pipeline 9a and radiator drain pipe road 9b, the water pump water influent pipeline 10a of water pump 10 and water pump drain pipe road 10b, heating
The heating water influent pipeline 11a and the waste heat core water influent pipeline of heating drain pipe road 11b and waste heat recovery heater cores 8 of unit 11
8a and waste heat core drain pipe road 8b.The radiator drain pipe road 9b connects with water pump water influent pipeline 10a, the water pump drain pipe
Road 10b connects with heating water influent pipeline 11a, and the heating drain pipe road 11b connects with waste heat core water influent pipeline 8a, the waste heat
Core drain pipe road 8b connects with radiator water influent pipeline 9a.Wherein, the outer radiator 9 of car is located at the rear of car external heat exchanger 3, and
And car external heat exchanger 3 and the outer radiator 9 of car share same electronic fan 26, the electronic fan 26 can be to car external heat exchanger 3
Radiated with radiator outside car 9.When cooling down operating mode in high-power electric appliance, waste heat core water influent pipeline 8a and waste heat core drain pipe road
8b is connected, and still, waste heat core water influent pipeline 8a and waste heat core drain pipe road 8b will not be with the home loops of waste heat recovery heater cores 8
Connection, is that waste heat recovery heater cores 8 will not radiate.
Refer to Fig. 1 and Fig. 5, the heat recovery loop is by the waste heat recovery heater cores 8, the water pump that are sequentially communicated
10 and heat-generating units 11 form.The heat recovery loop include pipeline 7 18, water pump 10 water pump water influent pipeline 10a and
Water pump drain pipe road 10b, heat-generating units 11 heating water influent pipeline 11a and heating drain pipe road 11b and waste heat recovery warm wind
The waste heat core water influent pipeline 8a and waste heat core drain pipe road 8b of core body 8.The pipeline 7 18 respectively with waste heat core drain pipe road 8b
Connected with water pump water influent pipeline 10a, the water pump drain pipe road 10b connects with heating water influent pipeline 11a, the heating drain pipe
Road 11b connects with waste heat core water influent pipeline 8a.When heat recovery circuit communication, waste heat recovery heater cores 8 can be right
Its air heating is flowed through in HVAC assemblies 4.
Fig. 4 and Fig. 5 are referred to, the heat-generating units 11 include dc-dc 11c, the electronic control module 11d being sequentially communicated
With power motor 11e, wherein, the dc-dc 11c connects with water pump 10.Wherein, electronic control module 11d turns positioned at DC-DC
Between parallel operation 11c and power motor 11e, dc-dc 11c connects with heating water influent pipeline 11a, power motor 11e and hair
Hot drain pipe road 11b connections.Because dc-dc 11c, electronic control module 11d and power motor 11e caloric value gradually increase
Greatly, above design is more reasonable, effectively realizes the radiating to dc-dc 11c, electronic control module 11d and power motor 11e.
Fig. 1~Fig. 3 is referred to, thermal management system of electric automobile also includes three-way solenoid valve 1, magnetic valve 1, electromagnetism
Valve 2 21, wherein, the three-way solenoid valve 1 is located between compressor 1, car external heat exchanger 3 and in-car condenser 6, the electricity
For magnet valve 1 between compressor 1 and car external heat exchanger 3, the magnetic valve 2 21 is located at car external heat exchanger 3 and in-car evaporation
Between device 5；When magnetic valve 1 disconnects compressor 1 and car external heat exchanger 3, magnetic valve 2 21 makes car external heat exchanger 3 and in-car
Evaporator 5 connects, and when three-way solenoid valve 1 makes compressor 1 be connected with car external heat exchanger 3, disconnected with in-car condenser 6, is formed
The in-car refrigerating circuit or car external heat exchanger defrost loop；When magnetic valve 1 makes compressor 1 be connected with car external heat exchanger 3,
Magnetic valve 2 21 disconnects car external heat exchanger 3 and in-car evaporator 5, and three-way solenoid valve 1 makes compressor 1 and in-car condenser 6
When connection and car external heat exchanger 3 disconnect, the in-car heating loop or in-car defrosting/demisting loop are formed.Set more than
Meter, can realize in-car refrigerating circuit, car external heat exchanger defrost loop, in-car heating loop and in-car defrosting/demisting loop it
Between be switched fast.
Fig. 1, Fig. 4 and Fig. 5 are referred to, thermal management system of electric automobile also includes three-way solenoid valve 2 22, the electromagnetic three-way
Valve 2 22 is located at outside car between radiator 9, water pump 10 and waste heat recovery heater cores 8.When three-way solenoid valve 2 22 returns waste heat
When receipts heater cores 8 are connected with the outer radiator 9 of car, disconnected with water pump 10, the high-power electric appliance cooling circuit is formed；Electromagnetism three
When port valve 2 22 makes waste heat recovery heater cores 8 be connected with water pump 10, disconnected with the outer radiator 9 of car, the waste heat recovery is formed
Utilize loop.Design, can realize quick between high-power electric appliance cooling circuit and heat recovery loop more than
Switching.
Fig. 1 is referred to, thermal management system of electric automobile also includes throttle orifice pipe 23 and flash vessel 24, wherein, the flash distillation
Device 24 connects with expansion valve 2, compressor 1 and throttle orifice pipe 23 respectively, the one end of the throttle orifice pipe 23 away from flash vessel 24 with
Car external heat exchanger 3 connects, also, is provided with tonifying Qi magnetic valve 28 on the pipeline between flash vessel 24 and compressor 1, with control
Break-make between flash vessel 24 and compressor 1.By the design of flash vessel 24, the twin-stage Gas-supplying enthalpy-increasing to compressor 1 is realized, is carried
The high efficiency of refrigeration and heating.Also, side of the expansion valve 2 away from flash vessel 24 is provided with filter 27, with to pipeline
In refrigerant filtered.Throttle orifice pipe 23, flash vessel 24, expansion valve 2 and filter 27 are respectively positioned on the of car external heat exchanger 3
On two pipeline 3b.
Fig. 6 is referred to, there is preceding heat exchange chamber 4a and rear heat exchange chamber 4b, the preceding heat exchange chamber in the HVAC assemblies 4
It is provided between 4a and rear heat exchange chamber 4b and slides air door 4c, the in-car evaporator 5 and in-car condenser 6 is arranged on preceding heat exchanging chamber
In the 4a of room, the waste heat recovery heater cores 8 and PTC electric heater 7 are arranged in rear heat exchange chamber 4b.Wherein, in-car evaporation
Device 5 is located at the front portion of in-car condenser 6, and PTC electric heater 7 is located at the front portion of waste heat recovery heater cores 8, waste heat recovery warm wind
Core body 8 is using similar traditional heater cores structure.
Also, preceding heat exchange chamber 4a size is more than rear heat exchange chamber 4b size, rear heat exchange chamber 4b exchanges heat positioned at preceding
The middle and lower part at chamber 4a rears, moreover, rear heat exchange chamber 4b bottom level is less than preceding heat exchange chamber 4a bottom level, with
Under the premise of meeting compact design requirement, more spaces are reserved to go out flow channel 4d.Installed in preceding heat exchange chamber 4a rear end
There are the slip air door 4c that can be slided along rear heat exchange chamber 4b, slip air door 4c to be used for heat exchange chamber 4a before cutting off or turning on, it is real
The switching of existing refrigeration mode and heating mode.Preceding heat exchange chamber 4a size is more than rear heat exchange chamber 4b size, will be in-car cold
Heat exchange chamber 4a, can install bigger in-car condenser 6 before condenser 6 is installed to, and then be added significantly to heat exchange area, improve
Heating capacity and heat efficiency；Traditional fan-shaped air door is substituted with air door 4c is slided, is not only able to more precisely control opening
Size, accurate control air output is realized, and can further save space, make the structure of HVAC assemblies 4 compacter, body
Product is more compact, and wind-dryness during work is maintained at relatively low level.
Specifically, when needing refrigeration, air door 4c slide downwards are slided on earth, preceding heat exchange chamber 4a and rear heat exchange chamber
4b is not connected, and wind is directly entered out flow channel 4d from preceding heat exchange chamber 4a, is then blown out from each air outlet, after entrance
Heat exchange chamber 4b；When needing heating, slide air door 4c and slide up to top, preceding heat exchange chamber 4a and rear heat exchange chamber 4b connect
Logical, wind is introduced into rear heat exchange chamber 4b from preceding heat exchange chamber 4a, enters back into out flow channel 4d, is finally blown out from each air outlet.
Finally it should be noted that foregoing description is only the preferred embodiments of the present invention, the ordinary skill people of this area
Member on the premise of without prejudice to present inventive concept and claim, can make table as multiple types under the enlightenment of the present invention
Show, such conversion is each fallen within protection scope of the present invention.
Claims (10)
1. a kind of thermal management system of electric automobile, including compressor (1), expansion valve (2), car external heat exchanger (3), HVAC assemblies
And the in-car evaporator (5) and in-car condenser (6) that are arranged in HVAC assemblies (4) (4), it is characterised in that：The compression
Machine (1), expansion valve (2), car external heat exchanger (3), in-car evaporator (5) and in-car condenser (6) collectively form in-car freeze back
Road, in-car heating loop, in-car defrosting/demisting loop and car external heat exchanger defrost loop；
The in-car refrigerating circuit and car external heat exchanger defrost loop are by compressor (1), the car external heat exchanger being sequentially communicated
(3), expansion valve (2) and in-car evaporator (5) composition；
The in-car heating loop and in-car defrosting/demisting loop by be sequentially communicated compressor (1), in-car condenser (6),
Expansion valve (2) and car external heat exchanger (3) composition；
The PTC electricity for being used for aiding in in-car heating loop and in-car defrosting/demisting loop heating is provided with the HVAC assemblies (4)
Heater (7).
2. thermal management system of electric automobile according to claim 1, it is characterised in that：Also include waste heat recovery heater cores
(8), car outer radiator (9), water pump (10) and heat-generating units (11), wherein, the waste heat recovery heater cores (8) are located at HVAC
In assembly (4), the waste heat recovery heater cores (8), car outer radiator (9), water pump (10) and heat-generating units (11) common structure
Into high-power electric appliance cooling circuit and heat recovery loop；
The high-power electric appliance cooling circuit is by radiator (9) outside the car that is sequentially communicated, water pump (10), heat-generating units (11) and remaining
Recuperation of heat heater cores (8) form；
The heat recovery loop is by the waste heat recovery heater cores (8), water pump (10) and heat-generating units that are sequentially communicated
(11) form.
3. thermal management system of electric automobile according to claim 2, it is characterised in that：The high-power electric appliance cooling circuit
Radiator water influent pipeline (9a) and radiator drain pipe road (9b) including radiator outside car (9), the water pump feed liquor of water pump (10)
Pipeline (10a) and water pump drain pipe road (10b), the heating water influent pipeline (11a) of heat-generating units (11) and heating drain pipe road
The waste heat core water influent pipeline (8a) of (11b) and waste heat recovery heater cores (8) and waste heat core drain pipe road (8b)；
The radiator drain pipe road (9b) connects with water pump water influent pipeline (10a), the water pump drain pipe road (10b) and heating
Water influent pipeline (11a) connects, and heating drain pipe road (11b) connects with waste heat core water influent pipeline (8a), and the waste heat core goes out
Liquid pipeline (8b) connects with radiator water influent pipeline (9a).
4. thermal management system of electric automobile according to claim 2, it is characterised in that：The heat recovery loop bag
Include pipeline seven (18), the water pump water influent pipeline (10a) of water pump (10) and water pump drain pipe road (10b), the hair of heat-generating units (11)
Hot water influent pipeline (11a) and the waste heat core water influent pipeline (8a) of heating drain pipe road (11b) and waste heat recovery heater cores (8)
With waste heat core drain pipe road (8b)；
The pipeline seven (18) connects with waste heat core drain pipe road (8b) and water pump water influent pipeline (10a) respectively, and the water pumps out
Liquid pipeline (10b) connects with heating water influent pipeline (11a), heating drain pipe road (11b) and waste heat core water influent pipeline (8a)
Connection.
5. thermal management system of electric automobile according to claim 1, it is characterised in that：Outside the in-car refrigerating circuit and car
Heat exchanger defrosting loop includes pipeline one (12), pipeline two (13), pipeline three (14), the first pipeline of car external heat exchanger (3)
The air inlet pipeline (1a) and drain pipe road (1b) of (3a) and the second pipeline (3b) and compressor (1)；
The pipeline one (12) connects with drain pipe road (1b) and the first pipeline (3a) respectively, and the pipeline two (13) is respectively with
Two pipelines (3b) connect with in-car evaporator (5), the pipeline three (14) respectively with air inlet pipeline (1a) and in-car evaporator (5)
Connection.
6. thermal management system of electric automobile according to claim 1, it is characterised in that：The in-car heating loop and in-car
Defrosting/demisting loop includes pipeline four (15), pipeline five (16), pipeline six (17), the first pipeline (3a) of car external heat exchanger (3)
With the second pipeline (3b) and the air inlet pipeline (1a) and drain pipe road (1b) of compressor (1)；
The pipeline four (15) connects with drain pipe road (1b) and in-car condenser (6) respectively, the pipeline five (16) respectively with
In-car condenser (6) connects with the second pipeline (3b), the pipeline six (17) respectively with air inlet pipeline (1a) and the first pipeline
(3a) is connected.
7. according to thermal management system of electric automobile according to any one of claims 1 to 6, it is characterised in that：Also include electromagnetism
Triple valve one (19), magnetic valve one (20), magnetic valve two (21), wherein, the three-way solenoid valve one (19) is located at compressor
(1), between car external heat exchanger (3) and in-car condenser (6), the magnetic valve one (20), which is located at outside compressor (1) and car, to be exchanged heat
Between device (3), the magnetic valve two (21) is located between car external heat exchanger (3) and in-car evaporator (5)；
When magnetic valve one (20) disconnects compressor (1) and car external heat exchanger (3), magnetic valve two (21) makes car external heat exchanger (3)
Connected with in-car evaporator (5), three-way solenoid valve one (19) makes compressor (1) be connected with car external heat exchanger (3), condensed with in-car
When device (6) disconnects, the in-car refrigerating circuit or car external heat exchanger defrost loop are formed；
When magnetic valve one (20) makes compressor (1) be connected with car external heat exchanger (3), magnetic valve two (21) makes car external heat exchanger (3)
Disconnected with in-car evaporator (5), three-way solenoid valve one (19) makes compressor (1) be connected with in-car condenser (6), with being exchanged heat outside car
When device (3) disconnects, the in-car heating loop or in-car defrosting/demisting loop are formed.
8. the thermal management system of electric automobile according to any one of claim 2~4, it is characterised in that：Also include electromagnetism
Triple valve two (22), the three-way solenoid valve two (22) are located at car outer radiator (9), water pump (10) and waste heat recovery heater cores
(8) between；
When three-way solenoid valve two (22) makes waste heat recovery heater cores (8) connect with the outer radiator (9) of car, be disconnected with water pump (10)
When, form the high-power electric appliance cooling circuit；
Three-way solenoid valve two (22) makes waste heat recovery heater cores (8) be connected with water pump (10), disconnected with the outer radiator (9) of car
When, form the heat recovery loop.
9. thermal management system of electric automobile according to claim 1, it is characterised in that：Also include throttle orifice pipe (23) and dodge
Steaming device (24), wherein, the flash vessel (24) connects with expansion valve (2), compressor (1) and throttle orifice pipe (23) respectively, described
The one end of throttle orifice pipe (23) away from flash vessel (24) connects with car external heat exchanger (3).
10. the thermal management system of electric automobile according to any one of claim 2~4, it is characterised in that：The HVAC is total
Into having preceding heat exchange chamber (4a) and rear heat exchange chamber (4b) in (4), the preceding heat exchange chamber (4a) and rear heat exchange chamber (4b) it
Between be provided with and slide air door (4c), it is interior that the in-car evaporator (5) and in-car condenser (6) are arranged on preceding heat exchange chamber (4a), institute
State waste heat recovery heater cores (8) and PTC electric heater (7) is arranged in rear heat exchange chamber (4b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613903.0A CN107399221A (en) | 2017-07-25 | 2017-07-25 | Thermal management system of electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613903.0A CN107399221A (en) | 2017-07-25 | 2017-07-25 | Thermal management system of electric automobile |
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| CN107399221A true CN107399221A (en) | 2017-11-28 |
Family
ID=60401427
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710613903.0A Pending CN107399221A (en) | 2017-07-25 | 2017-07-25 | Thermal management system of electric automobile |
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| CN108859662A (en) * | 2018-07-25 | 2018-11-23 | 合肥市智信汽车科技有限公司 | A kind of air-conditioning system of electric transportation vehicle |
| CN108944353A (en) * | 2018-09-14 | 2018-12-07 | 郑州科林车用空调有限公司 | A kind of integral new-energy passenger integrated electric changes in temperature frost removal |
| CN109291763A (en) * | 2018-11-15 | 2019-02-01 | 珠海格力电器股份有限公司 | A kind of heat pump air conditioning system and its control method and automobile |
| CN109572356A (en) * | 2018-10-18 | 2019-04-05 | 珠海格力电器股份有限公司 | A kind of air conditioning system for electric car and the electric vehicle with it |
| CN109849619A (en) * | 2019-03-27 | 2019-06-07 | 东风汽车集团有限公司 | Thermal management system of electric automobile and its control method |
| CN110217072A (en) * | 2019-06-19 | 2019-09-10 | 奇瑞汽车股份有限公司 | Vehicle and its air-conditioning |
| CN110682781A (en) * | 2019-09-25 | 2020-01-14 | 东风汽车有限公司 | Whole car thermal management system of electric automobile |
| CN111038212A (en) * | 2019-12-20 | 2020-04-21 | 珠海格力电器股份有限公司 | Thermal management system and vehicle with same |
| CN111591100A (en) * | 2020-05-06 | 2020-08-28 | 珠海格力电器股份有限公司 | Vehicle, air conditioning system of vehicle and control method of air conditioning system |
| CN112248757A (en) * | 2020-11-13 | 2021-01-22 | 柳州易舟汽车空调有限公司 | New energy automobile electric heat pump air conditioner heat recovery and defrosting device |
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