CN208855418U - Utilize the heat management system of the electric car of vehicle waste heat - Google Patents
Utilize the heat management system of the electric car of vehicle waste heat Download PDFInfo
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- CN208855418U CN208855418U CN201821340998.XU CN201821340998U CN208855418U CN 208855418 U CN208855418 U CN 208855418U CN 201821340998 U CN201821340998 U CN 201821340998U CN 208855418 U CN208855418 U CN 208855418U
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- 239000002918 waste heat Substances 0.000 title claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 106
- 238000010438 heat treatment Methods 0.000 claims abstract description 70
- 238000004378 air conditioning Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims description 177
- 238000005057 refrigeration Methods 0.000 claims description 43
- 239000000498 cooling water Substances 0.000 claims description 42
- 239000002243 precursor Substances 0.000 claims description 25
- 238000010792 warming Methods 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 17
- 239000008236 heating water Substances 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 239000002826 coolant Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000000306 component Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000008358 core component 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
- 238000005516 engineering process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses a kind of heat management systems of electric car using vehicle waste heat comprising power motor cooling system, power battery thermal management system and air-conditioning system.Power motor cooling system and power battery cooling system are carried out Integrated design by the heat management system of the electric car using vehicle waste heat of the utility model, power motor cooling system is coupled with battery thermal management system, it is radiated with a radiator, it realizes that power battery is realized by electromotor cooling system to cool down, it solves the problems, such as that air conditioner refrigerating battery can not be used under low temperature environment, simultaneously, driver's cabin heating is heated and realized to power battery using power motor waste heat, improve capacity usage ratio and the power battery service life of vehicle, reduce energy consumption, improve cruising ability.
Description
Technical field
The utility model belongs to technical field of new energy, is related to a kind of heat pipe of electric car using vehicle waste heat
Reason system.
Background technique
Currently, electric car enters the rapid development stage, user is to the service life of electric car, the refrigerated medium of crew module
Thermal comfort, vehicle course continuation mileage requirement it is higher and higher.In order to improve the service life of vehicle, power motor and power electric
Core component of the pond as electric car, operating temperature section need in reasonable range, and whole-vehicle air-conditioner system will meet and multiply
Member's cabin comfort level requirement, a whole set of heat management system realize efficient operation by control, improve vehicle course continuation mileage.
Current existing pure electric automobile heat management system, the heating that heat pump system is unsatisfactory for power battery under low temperature need
It asks；In low temperature environment traveling, when power battery and driver's cabin have the demand of heating, at present only by way of starting PTC
It realizes heating, does not make full use of the waste heat of power electronic system waste heat and electrokinetic cell system, energy consumption is higher, does not reach heat
Manage the peak use rate of resource.
Utility model content
The utility model aim is to provide a kind of heat management system of electric car using vehicle waste heat, by power motor
Cooling system, power battery thermal management system, air-conditioning system intercouple, and meet power battery subsystem and operating temperature is maintained to protect
It holds in zone of reasonableness, realizes vehicle rank thermal management.
The utility model solves the heat that technical problem adopts the following technical scheme that a kind of electric car using vehicle waste heat
Management system comprising power motor cooling system, power battery thermal management system and air-conditioning system；
The electromotor cooling system includes the first expansion tank, precursor motor, rear-guard motor, rear-guard electric machine controller, preceding
Drive electric machine controller, DC/DC, Vehicular charger, the first three-way magnetic valve, motor cooling water pump, onboard wireless charger, motor
Cooling radiator and first liang of three-way electromagnetic valve；
First expansion tank is connect with the liquid inlet of motor cooling water pump；The liquid outlet of the cooling radiator of the motor
It is connect with the liquid inlet of the cooling line of onboard wireless charger, the liquid outlet warp of the cooling line of the onboard wireless charger
It crosses motor cooling water pump to connect with the liquid inlet of the first three-way magnetic valve, the liquid outlet connection of first three-way magnetic valve
The liquid inlet of the cooling line of the Vehicular charger, the liquid outlet of the cooling line of the Vehicular charger are connected to described
The liquid inlet of the cooling line of DC/DC, the liquid outlet of the cooling line of the DC/DC are connected to the cooling of precursor motor controller
The liquid inlet of pipeline；What the liquid outlet of the precursor motor controller cooling line was connected to precursor motor cooling line enters liquid
Mouthful；The liquid outlet of the precursor motor cooling line is connected to the liquid inlet of motor cooling water pump by first liang of three-way electromagnetic valve,
And it is connected to the liquid inlet of the cooling radiator of motor；The liquid outlet of the cooling line of the DC/DC is also attached to rear-guard motor
The liquid inlet of the cooling line of controller；It is cooling that the liquid outlet of the rear-guard electric machine controller cooling line is connected to rear-guard motor
The liquid inlet of pipeline；The liquid outlet of the rear-guard motor cooling line is connected to motor cooling water pump by first liang of three-way electromagnetic valve
Liquid inlet, and be connected to the liquid inlet of the cooling radiator of motor；
The power battery thermal management system includes the second expansion tank, power battery cooling water pump, the second threeway electromagnetism
Valve, power battery, third three-way magnetic valve and refrigeration heat converter；
Second expansion tank is connected to the liquid inlet of the power battery cooling water pump, first three-way magnetic valve
Another liquid outlet the liquid inlet of second three-way magnetic valve is connected to by power battery cold water water pump；Described 2nd 3
One liquid outlet of three-way electromagnetic valve is connected to the liquid inlet of the cooling line of power battery, the cooling line of the power battery
Liquid outlet is connected to the liquid inlet of third three-way magnetic valve, and a liquid outlet of the third three-way magnetic valve is connected to the system
First liquid inlet of cool-heat-exchanger, the first liquid outlet of the refrigeration heat converter are connected to the power battery cooling water pump
Liquid inlet, the first liquid inlet of the refrigeration heat converter and the first liquid outlet of refrigeration heat converter are in refrigeration heat converter
Inside pass through pipeline connection；
Another liquid outlet of the third three-way magnetic valve is also attached to the liquid inlet of the cooling line of Vehicular charger；
The air-conditioning system includes the 4th three-way magnetic valve, the second throttle pipe, indoor evaporator, liquid storage drying chamber, electronic
Compressor, heating heat exchanger, first segment flow tube, two three-way electromagnetic valve of third, outdoor condenser, heating water pump, water-warming heater,
Air conditioning warm air spool, second liang of three-way electromagnetic valve and electromagnetic expanding valve；
Another liquid outlet of second three-way magnetic valve is connected to the liquid inlet of water-warming heater by heating water pump,
The liquid outlet of the water-warming heater is connected to the first liquid inlet of heating heat exchanger, the heating by air conditioning warm air spool
First liquid outlet of heat exchanger is connected to the liquid inlet of heating water pump, the heating heat exchanger by second liang of three-way electromagnetic valve
The first liquid inlet and the first liquid outlet of heating heat exchanger pass through pipeline connection in the inside of heating heat exchanger；It is described to adopt
First liquid outlet of warm heat exchanger is also attached to the first liquid inlet of the refrigeration heat converter；
The outlet of the motor compressor is connected to the second entrance of heating heat exchanger, and the of the heating heat exchanger
Two outlets are connected to the entrance of outdoor condenser by first segment flow tube, wherein the second entrance of the heating heat exchanger with
The second outlet of heating heat exchanger is connected to inside heating heat exchanger；The outlet of the outdoor condenser passes through the 4th threeway
The entrance of solenoid valve is connected to, and the one outlet of the 4th three-way magnetic valve passes through concatenated second throttle pipe and indoor evaporator
It is connected to the entrance of liquid storage drying chamber；And the outlet of the 4th three-way magnetic valve also passes through electromagnetic expanding valve and is connected to institute
The second entrance of refrigeration heat converter is stated, the second outlet of the refrigeration heat converter is connected to entering for the liquid storage drying chamber
Mouthful, wherein the second entrance of the refrigeration heat converter and the second outlet of refrigeration heat converter connect inside refrigeration exchanger
Logical, another outlet of the 4th three-way magnetic valve is also connected to the entrance of the liquid storage drying chamber；
The outlet of the motor compressor is also connected to the entrance of the outdoor condenser by two three-way electromagnetic valve of third；Institute
The outlet for stating liquid storage drying chamber is connected to the entrance of motor compressor.
The utility model has the following beneficial effects: the heat management of the electric car using vehicle waste heat of the utility model
Power motor cooling system and power battery cooling system are carried out Integrated design by system, by power motor cooling system and battery
Heat management system coupling, is radiated with a radiator, is realized that power battery is realized by electromotor cooling system and is cooled down, solves
The problem of air conditioner refrigerating battery can not be used under low temperature environment, meanwhile, using power motor waste heat power battery is added
Heat and realization driver's cabin heating, improve capacity usage ratio and the power battery service life of vehicle, reduce energy consumption, improve continuation of the journey
Ability.
Detailed description of the invention
Fig. 1 is a kind of heat management system schematic diagram of electric car using vehicle waste heat of the utility model；
Fig. 2 is motor cooling circuit figure described in the utility model；
Fig. 3 is battery natural cooling loop diagram described in the utility model；
Fig. 4 is that battery described in the utility model forces cooling circuit figure；
Fig. 5 is battery heating circuit figure described in the utility model；
Fig. 6 is the first driver's cabin heating mode loop figure described in the utility model；
Fig. 7 is the second driver's cabin heating mode loop figure described in the utility model；
Fig. 8 is driver's cabin described in the utility model refrigeration figure；
The mark in the figure shows: the first expansion tank of 1-；2- precursor motor；3- rear-guard motor；4- rear-guard electric machine controller；
5- precursor motor controller；6-DC/DC；7- Vehicular charger；The first three-way magnetic valve of 8-；9- motor cooling water pump；10- is vehicle-mounted
Wireless charger；11- motor cools down radiator；First liang of three-way electromagnetic valve of 12-；13- battery cooling water pump；14- the two or three is powered
Magnet valve；15- power battery；16- third three-way magnetic valve；17- heating water pump；18- water-warming heater；19- heating heat exchanger；
20- air conditioning warm air spool；Second liang of three-way electromagnetic valve of 21-；22- first segment flow tube；Two three-way electromagnetic valve of 23- third；It is condensed outside the room 24-
Device；The 4th three-way magnetic valve of 25-；26- liquid storage drying chamber；27- motor compressor；28- indoor evaporator；The second throttle pipe of 29-；
30- electromagnetic expanding valve；31- refrigeration heat converter；The second expansion tank of 32-.
Specific embodiment
The technical solution of the utility model is further elaborated below with reference to examples and drawings.
Embodiment 1
Present embodiments provide a kind of heat management system of electric car using vehicle waste heat, including power motor cooling
System, power battery thermal management system and air-conditioning system.
The electromotor cooling system includes the first expansion tank 1, precursor motor 2, rear-guard motor 3, rear-guard electric machine controller
4, precursor motor controller 5, DC/DC6, Vehicular charger 7, the first three-way magnetic valve 8, motor cooling water pump 9, onboard wireless fill
The cooling radiator 11 of electric appliance 10, motor and first liang of three-way electromagnetic valve 12.
First expansion tank 1 is connect with the liquid inlet of motor cooling water pump 9；The cooling radiator 11 of the motor goes out
Liquid mouth is connect with the liquid inlet of the cooling line of onboard wireless charger 10, the cooling line of the onboard wireless charger 10
Liquid outlet is connect by motor cooling water pump 9 with the liquid inlet of the first three-way magnetic valve 8, and the one of first three-way magnetic valve 8
A liquid outlet connects the liquid inlet of the cooling line of the Vehicular charger, the liquid outlet of the cooling line of the Vehicular charger
It is connected to the liquid inlet of the cooling line of the DC/DC, the liquid outlet of the cooling line of the DC/DC is connected to precursor motor control
The liquid inlet of the cooling line of device processed；The liquid outlet of the precursor motor controller cooling line is connected to precursor motor cooling tube
The liquid inlet on road；The liquid outlet of the precursor motor cooling line is connected to motor cooling water pump by first liang of three-way electromagnetic valve 12
9 liquid inlet, and it is connected to the liquid inlet of the cooling radiator 11 of motor.
Moreover, the liquid outlet of the cooling line of the DC/DC is also attached to entering for the cooling line of rear-guard electric machine controller
Liquid mouth；The liquid outlet of the rear-guard electric machine controller cooling line is connected to the liquid inlet of rear-guard motor cooling line；After described
The liquid outlet for driving motor cooling line is connected to the liquid inlet of motor cooling water pump 9, Yi Jilian by first liang of three-way electromagnetic valve 12
It is connected to the liquid inlet of the cooling radiator 11 of motor.
Such as Fig. 2, the electromotor cooling system forms power motor cooling circuit, when component is cooled down, according to
The part temperatures and coolant temperature of acquisition calculate radiating requirements, later the revolving speed of the flow to motor cooling water pump 9 and fan
It is precisely controlled, guarantees that the component in circuit works within the scope of suitable temperature, improve the working efficiency of component.Coolant liquid
Flow through sequence: liquid outlet → 9 → the first threeway of onboard wireless 10 → motor of charger cooling water pump of the cooling radiator 11 of motor
8 → Vehicular charger of solenoid valve, 7 → DC/DC6 → rear-guard electric machine controller 4 (precursor motor controller) → 3 (forerunner of rear-guard motor
Motor 2) the cooling radiator 11 of → motor liquid inlet.When needing cooling under driving cycle, Vehicular charger and wireless charging
Device does not work, and when needing cooling under the operating condition that charges, power motor does not work.
The power battery thermal management system includes the second expansion tank 32, power battery cooling water pump 13, the second threeway
Solenoid valve 14, power battery 15, third three-way magnetic valve 16 and refrigeration heat converter 31；
Second expansion tank 32 is connected to the liquid inlet of the power battery cooling water pump 13, and the described 1st is powered
Another liquid outlet of magnet valve 8 is connected to the liquid inlet of second three-way magnetic valve 14 by power battery cold water water pump 13；
One liquid outlet of second three-way magnetic valve 14 is connected to the liquid inlet of the cooling line of power battery 15, the power electric
The liquid outlet of the cooling line in pond 15 is connected to the liquid inlet of third three-way magnetic valve 16, and the one of the third three-way magnetic valve 16
A liquid outlet is connected to the first liquid inlet of the refrigeration heat converter 31, and the first liquid outlet of the refrigeration heat converter 31 connects
It is connected to the liquid inlet of the power battery cooling water pump 13, at this point, the first liquid inlet and refrigeration of the refrigeration heat converter 31
First liquid outlet of heat exchanger 31 passes through pipeline connection in refrigeration heat converter 31.
Moreover, another liquid outlet of the third three-way magnetic valve is also attached to the cooling line of Vehicular charger 7
Liquid inlet.
It is raw that the heat management system of the electric car using vehicle waste heat collects battery cell temperature, electrokinetic cell system
Thermal power is transmitted to entire car controller, and control three-way magnetic valve realizes the switching of different circuit.When battery cell temperature is at 5 DEG C
(can demarcate) hereinafter, when the electrokinetic cell system heat power is not 0, using heating circuit；When battery cell temperature is more than
High-temperature cooling limit value, when the electrokinetic cell system heat power is no more than 1kW (can demarcate), using natural cooling circuit；Electricity
Pond monomer is more than High-temperature cooling limit value, when the battery system heat power is more than 1kW (can demarcate), is cooled back using pressure
Road.
Such as Fig. 3, power battery natural cooling circuit, in traveling or charging process, crew module needs vehicle without refrigeration
It asks, power battery needs to freeze, and according to temperature of powered cell and coolant temperature, radiating requirements is calculated, by being precisely controlled electricity
Machine cooling water pump 9 and 13 flow of power battery cooling water pump and rotation speed of the fan, the first three-way magnetic valve 8, the second three-way magnetic valve
14 and third three-way magnetic valve 16 on-off, realize and freezed using the cooling radiator 11 of motor to power battery 15.It is cooling
Liquid stream is through sequence: liquid outlet → onboard wireless 10 → motor of charger cooling water pump the 9 → the 1st of the cooling radiator 11 of motor
8 → power battery of three-way electromagnetic valve cooling water pump, 13 → the second three-way magnetic valve 14 → power battery, 15 → third three-way magnetic valve 16
7 → DC/DC6 of → Vehicular charger → rear-guard electric machine controller 4 (precursor motor controller) → rear-guard motor 3 (precursor motor 2)
→ motor cools down 11 liquid inlet of radiator.
Such as Fig. 4, the power battery forces cooling circuit, and for vehicle in traveling or charging process, crew module has refrigeration to need
It asks, power battery needs to freeze, and according to the temperature of acquisition cabin temperature, temperature of powered cell and coolant liquid, calculates crew module
With the cooling requirement of power battery, by being precisely controlled motor compressor 27, electromagnetic expanding valve 30, refrigeration heat converter 31, dynamic
The working condition of power battery cooling water pump 13, the second three-way magnetic valve 14, third three-way magnetic valve 16, while realizing to power electric
The refrigeration in pond and crew module lowers heat management system energy consumption.Coolant liquid flows through sequence: power battery cooling water pump 13 → two or three
16 → refrigeration heat converter of three-way electromagnetic valve 14 → power battery, 15 → third three-way magnetic valve 31, wherein refrigeration heat converter 31
An other water route stream has air conditioner coolant, carries out heat with power battery cooling water channel and exchanges, and realizes power battery refrigeration.
Such as Fig. 5, the power battery heating circuit, when temperature of powered cell is lower, when being heated, according to power
Battery temperature and coolant temperature calculate demand for heat, cooling by being precisely controlled control motor cooling water pump 9 and power battery
13 flow of water pump and rotation speed of the fan, the first three-way magnetic valve 8, the second three-way magnetic valve 14 and third three-way magnetic valve 16 it is logical
It is disconnected, realize power battery heating.Coolant liquid flows through sequence: 9 → the first 8 → power battery of three-way magnetic valve of motor cooling water pump is cold
But 13 → the second 7 → DC/DC6 of three-way magnetic valve 14 → power battery, 15 → third, 16 → Vehicular charger of three-way magnetic valve of water pump
→ rear-guard electric machine controller 4 (precursor motor controller) → rear-guard motor 3 (precursor motor 2) → first liang three-way electromagnetic valve 12.Cause
The operating temperature of electric system is higher, when needing to heat power battery in driving process, makes full use of motor, motor control
The waste heat of the generation of device, DC/DC heats power battery, and coolant liquid is not passed through motor radiator, reduces heat management system
Energy consumption；It charges when under low-temperature condition, when needing to heat power battery, starts motor, control motor is stall mode, and motor is stifled
Work of changing a job generates heat and heats to power battery, and this mode is lower compared with heater heating method energy consumption.
The air-conditioning system includes the 4th three-way magnetic valve 25, the second throttle pipe 29, indoor evaporator 28, liquid storage drying chamber
26, motor compressor 27, heating heat exchanger 19, first segment flow tube 22, two three-way electromagnetic valve 23 of third, outdoor condenser 24, adopt
Warm water pump 17, water-warming heater 18,20, second liang of three-way electromagnetic valves 21 of air conditioning warm air spool and electromagnetic expanding valve 30.
Another liquid outlet of second three-way magnetic valve 14 is connected to entering for water-warming heater 18 by heating water pump
Liquid mouth, the liquid outlet of the water-warming heater 18 are connected to the first of heating heat exchanger 19 by air conditioning warm air spool 20 and enter liquid
Mouthful, the first liquid outlet of the heating heat exchanger 19 is connected to the liquid inlet of heating water pump by second liang of three-way electromagnetic valve 21,
First liquid inlet of the heating heat exchanger and the first liquid outlet of heating heat exchanger are logical in the inside of heating heat exchanger
Cross pipeline connection.
Moreover, the first liquid outlet of the heating heat exchanger be also attached to the refrigeration heat converter first enter liquid
Mouthful.
The outlet of the motor compressor 27 is connected to the second entrance of heating heat exchanger 19, the heating heat exchanger
19 second outlet is connected to the entrance of outdoor condenser 24 by first segment flow tube 22, wherein the heating heat exchanger 19
Second entrance be connected to inside heating heat exchanger with the second outlet of heating heat exchanger 19, the outdoor condenser 24
Outlet is connected to by the entrance of the 4th three-way magnetic valve 25, and the one outlet of the 4th three-way magnetic valve 25 passes through concatenated the
Two throttle pipes 29 and indoor evaporator 28 are connected to the entrance of liquid storage drying chamber 26；And the 4th three-way magnetic valve 25 is somebody's turn to do
Outlet is also connected to the second entrance of the refrigeration heat converter 31 by electromagnetic expanding valve 30, and the of the refrigeration heat converter
Two outlets are connected to the entrance of the liquid storage drying chamber 26, wherein the second entrance and refrigeration heat of the refrigeration heat converter 31
The second outlet of exchanger 31 is connected to inside refrigeration exchanger 31, moreover, another outlet of the 4th three-way magnetic valve 25
Also it is connected to the entrance of the liquid storage drying chamber 26.
The outlet of the motor compressor 27 is also connected to the entrance of the outdoor condenser by two three-way electromagnetic valve of third；
The outlet of the liquid storage drying chamber 26 is connected to the entrance of motor compressor 27.
The air-conditioning system of the utility model includes the first driver's cabin heating mode loop, the second driver's cabin heating mode loop
With driver's cabin refrigerating circuit.
Such as Fig. 6, the first driver's cabin heating mode loop, the heating temperature by driving room temperature and setting is calculated
Heating demand, by be precisely controlled motor cooling water pump 9, battery cooling water pump 13, heating water pump 17, the first three-way magnetic valve 8,
Second three-way magnetic valve 14, the 4th three-way magnetic valve 25, first liang of three-way electromagnetic valve 12, first segment flow tube 22, motor compressor 27
With the working condition of water-warming heater 18, cab heating is realized.In order to reduce energy consumption, the priority of heating resource is:
Motor cooling water > air-conditioning system > water-warming heater, coolant liquid flow through sequence: 9 → the first three-way magnetic valve 8 of motor cooling water pump
13 → the second three-way magnetic valve 14 → heating water pump 17 → water-warming heater, 18 → air conditioning warm air valve of → power battery cooling water pump
7 → DC/DC6 of core 20 → heating heat exchanger, 19 → Vehicular charger → rear-guard electric machine controller 4 (precursor motor controller) →
Rear-guard motor 3 (precursor motor 2) → first liang three-way electromagnetic valve 12.Coolant liquid flows through air conditioning warm air spool 20, and air blower goes out wind
Air conditioning warm air spool is crossed, after gas and liquid realize heat exchange, warm wind enters driver's cabin.When the water temperature of electromotor cooling system is enough
When meeting heating demand, heating preferentially is carried out using electromotor cooling system water；When the water temperature of electromotor cooling system is insufficient for
When heating demand, for outdoor temperature at subzero 10 degrees Celsius or more, air-conditioning system efficiency is higher, and air-conditioning system participates in heating；Room
For outer temperature at subzero 10 degrees Celsius or less, air-conditioning system can not carry out heating, and the starting of water-warming heater 18 participates in driver's cabin and adopts
It is warm.
Such as Fig. 7, the second driver's cabin heating mode loop, the heating temperature by driving room temperature and setting is calculated
Heating demand, by being precisely controlled heating water pump 17, the 4th three-way magnetic valve 25, second liang of three-way electromagnetic valve 21, first segment flow tube
22, motor compressor 27, the working condition of water-warming heater 18 realizes cab heating.In order to reduce energy consumption, heating money
The priority in source is: air-conditioning system > water-warming heater, and coolant liquid flows through sequence: 17 → water-warming heater of heating water pump 18 → adopt
Warm heat exchanger 19 → air conditioning warm air spool → the second liang three-way electromagnetic valve 21.Coolant liquid flows through air conditioning warm air spool, and air blower will
Wind went out air conditioning warm air spool, and after gas and liquid realize heat exchange, warm wind enters driver's cabin.When outdoor temperature is taken the photograph subzero 10
When family name degree or more, air-conditioning system efficiency is higher, and air-conditioning system preferentially participates in heating；Outdoor temperature is at subzero 10 degrees Celsius or less
When, air-conditioning system can not carry out heating, and water-warming heater starting participates in driver's cabin heating.
Such as Fig. 8, driver's cabin refrigerating circuit described in the utility model passes through air-conditioning system when driver's cabin needs to freeze
It realizes, refrigerant flows through sequence: outdoor 24 → the 4th three-way magnetic valve of condenser, 25 → the second 29 → indoor evaporator of throttle pipe 28
27 → third of → liquid storage 26 → motor compressor of drying chamber, two three-way electromagnetic valve 23.Air blower will blow air over evaporator, gas and liquid
After body passes through heat exchange, cold wind enters driver's cabin.
The heat management system of the electric car using vehicle waste heat of the present embodiment is by power motor cooling system and power
Battery cooling system carries out Integrated design, power motor cooling system is coupled with battery thermal management system, with a radiator
It radiates, realizes that power battery is realized by electromotor cooling system and cool down, air-conditioning system can not be used by solving under low temperature environment
The problem of cold battery, meanwhile, driver's cabin heating is heated and realized to power battery using power motor waste heat, is improved whole
The capacity usage ratio of vehicle and power battery service life reduce energy consumption, improve cruising ability.
The sequencing of above embodiments is not only for ease of description, represent the advantages or disadvantages of the embodiments.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (1)
1. a kind of heat management system of the electric car using vehicle waste heat, which is characterized in that including power motor cooling system,
Power battery thermal management system and air-conditioning system；
The electromotor cooling system includes the first expansion tank, precursor motor, rear-guard motor, rear-guard electric machine controller, Qian Qu electricity
Machine controller, DC/DC, Vehicular charger, the first three-way magnetic valve, motor cooling water pump, onboard wireless charger, motor are cooling
Radiator and first liang of three-way electromagnetic valve；
First expansion tank is connect with the liquid inlet of motor cooling water pump；The liquid outlet and vehicle of the cooling radiator of the motor
The liquid inlet connection of the cooling line of wireless charger is carried, the liquid outlet of the cooling line of the onboard wireless charger is by electricity
Machine cooling water pump is connect with the liquid inlet of the first three-way magnetic valve, described in the liquid outlet connection of first three-way magnetic valve
The liquid inlet of the cooling line of Vehicular charger, the liquid outlet of the cooling line of the Vehicular charger are connected to the DC/DC
Cooling line liquid inlet, the liquid outlet of the cooling line of the DC/DC is connected to the cooling line of precursor motor controller
Liquid inlet；The liquid outlet of the precursor motor controller cooling line is connected to the liquid inlet of precursor motor cooling line；Institute
The liquid outlet for stating precursor motor cooling line is connected to the liquid inlet of motor cooling water pump, Yi Jilian by first liang of three-way electromagnetic valve
It is connected to the liquid inlet of the cooling radiator of motor；The liquid outlet of the cooling line of the DC/DC is also attached to rear-guard electric machine controller
Cooling line liquid inlet；The liquid outlet of the rear-guard electric machine controller cooling line is connected to rear-guard motor cooling line
Liquid inlet；The liquid outlet of the rear-guard motor cooling line enters liquid by what first liang of three-way electromagnetic valve was connected to motor cooling water pump
Mouthful, and it is connected to the liquid inlet of the cooling radiator of motor；
The power battery thermal management system includes the second expansion tank, power battery cooling water pump, the second three-way magnetic valve, moves
Power battery, third three-way magnetic valve and refrigeration heat converter；
Second expansion tank is connected to the liquid inlet of the power battery cooling water pump, first three-way magnetic valve it is another
One liquid outlet is connected to the liquid inlet of second three-way magnetic valve by power battery cold water water pump；Described 2nd 3 is powered
One liquid outlet of magnet valve is connected to the liquid inlet of the cooling line of power battery, and the cooling line of the power battery goes out liquid
Mouth is connected to the liquid inlet of third three-way magnetic valve, and a liquid outlet of the third three-way magnetic valve is connected to the refrigeration heat
First liquid outlet of the first liquid inlet of exchanger, the refrigeration heat converter is connected to entering for the power battery cooling water pump
Liquid mouth, the first liquid inlet of the refrigeration heat converter and the first liquid outlet of refrigeration heat converter lead in refrigeration heat converter
Cross pipeline connection；
Another liquid outlet of the third three-way magnetic valve is also attached to the liquid inlet of the cooling line of Vehicular charger；
The air-conditioning system includes the 4th three-way magnetic valve, the second throttle pipe, indoor evaporator, liquid storage drying chamber, electric compressor
Machine, heating heat exchanger, first segment flow tube, two three-way electromagnetic valve of third, outdoor condenser, heating water pump, water-warming heater, air-conditioning
Warm wind spool, second liang of three-way electromagnetic valve and electromagnetic expanding valve；
Another liquid outlet of second three-way magnetic valve is connected to the liquid inlet of water-warming heater by heating water pump, described
The liquid outlet of water-warming heater is connected to the first liquid inlet of heating heat exchanger by air conditioning warm air spool, and the heating heat is handed over
First liquid outlet of parallel operation is connected to the liquid inlet of heating water pump by second liang of three-way electromagnetic valve, and the of the heating heat exchanger
First liquid outlet of one liquid inlet and heating heat exchanger passes through pipeline connection in the inside of heating heat exchanger；The heating heat
First liquid outlet of exchanger is also attached to the first liquid inlet of the refrigeration heat converter；
The outlet of the motor compressor is connected to the second entrance of heating heat exchanger, and the second of the heating heat exchanger goes out
Mouth is connected to the entrance of outdoor condenser by first segment flow tube, wherein the second entrance and heating of the heating heat exchanger
The second outlet of heat exchanger is connected to inside heating heat exchanger；The outlet of the outdoor condenser passes through the 4th threeway electromagnetism
The entrance of valve is connected to, and the one outlet of the 4th three-way magnetic valve is connected by concatenated second throttle pipe with indoor evaporator
In the entrance of liquid storage drying chamber；And the outlet of the 4th three-way magnetic valve also passes through electromagnetic expanding valve and is connected to the system
The second entrance of cool-heat-exchanger, the second outlet of the refrigeration heat converter are connected to the entrance of the liquid storage drying chamber,
In, the second entrance of the refrigeration heat converter is connected to inside refrigeration exchanger with the second outlet of refrigeration heat converter, institute
Another outlet for stating the 4th three-way magnetic valve is also connected to the entrance of the liquid storage drying chamber；
The outlet of the motor compressor is also connected to the entrance of the outdoor condenser by two three-way electromagnetic valve of third；The storage
The outlet of liquid drying chamber is connected to the entrance of motor compressor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821340998.XU CN208855418U (en) | 2018-08-20 | 2018-08-20 | Utilize the heat management system of the electric car of vehicle waste heat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821340998.XU CN208855418U (en) | 2018-08-20 | 2018-08-20 | Utilize the heat management system of the electric car of vehicle waste heat |
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| CN208855418U true CN208855418U (en) | 2019-05-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017272A (en) * | 2018-08-20 | 2018-12-18 | 中国第汽车股份有限公司 | Utilize the heat management system of the electric car of vehicle waste heat |
| CN112060865A (en) * | 2019-06-10 | 2020-12-11 | 宁德时代新能源科技股份有限公司 | Thermal management system of electric automobile |
| CN112277569A (en) * | 2020-12-04 | 2021-01-29 | 北京成功领行汽车技术有限责任公司 | Hydrogen fuel cell automobile heat management control system and control method thereof |
| US12040731B2 (en) | 2021-06-01 | 2024-07-16 | Huawei Digital Power Technologies Co., Ltd. | Method for controlling heating of motor and control method for multi-motor drive system |
-
2018
- 2018-08-20 CN CN201821340998.XU patent/CN208855418U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017272A (en) * | 2018-08-20 | 2018-12-18 | 中国第汽车股份有限公司 | Utilize the heat management system of the electric car of vehicle waste heat |
| CN109017272B (en) * | 2018-08-20 | 2024-03-19 | 中国第一汽车股份有限公司 | Electric automobile's heat management system utilizing whole car waste heat |
| CN112060865A (en) * | 2019-06-10 | 2020-12-11 | 宁德时代新能源科技股份有限公司 | Thermal management system of electric automobile |
| CN112277569A (en) * | 2020-12-04 | 2021-01-29 | 北京成功领行汽车技术有限责任公司 | Hydrogen fuel cell automobile heat management control system and control method thereof |
| US12040731B2 (en) | 2021-06-01 | 2024-07-16 | Huawei Digital Power Technologies Co., Ltd. | Method for controlling heating of motor and control method for multi-motor drive system |
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