CN106882035A - Electric automobile Intelligent heat management system and control method - Google Patents
Electric automobile Intelligent heat management system and control method Download PDFInfo
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- CN106882035A CN106882035A CN201710183233.3A CN201710183233A CN106882035A CN 106882035 A CN106882035 A CN 106882035A CN 201710183233 A CN201710183233 A CN 201710183233A CN 106882035 A CN106882035 A CN 106882035A
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- Prior art keywords
- circulation line
- vehicle body
- heat management
- temperature
- body circulation
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
A kind of electric automobile Intelligent heat management system of disclosure and control method, by increasing between power assembly heat management loop and vehicle body circulation line, automatically controlled choke valve is set, and switch by the automatically controlled choke valve of vehicle control unit controls or control pass through the change of the fluid flow of automatically controlled choke valve, by from the heat of the absorption in power assembly heat management loop, it is transferred in vehicle body circulation line, so as to be heated to interior, it is transferred in vehicle body circulation line by by heat unnecessary in power assembly heat management loop, realize the transfer and utilization of heat, under flow and temperature rise demand that guarantee power assembly heat management loop needs, improve the heat utilization ratio in vehicle, reduce the waste of heat.
Description
Technical field
The present invention relates to thermal management technology field, more particularly to a kind of electric automobile Intelligent heat management system and controlling party
Method.
Background technology
The characteristics of electric automobile is due to energy-conserving and environment-protective, the direction as development of automobile from now on.
With the development of automobile, the comfort level in compartment is increasingly valued by people, traditional internal combustion engine type automobile,
Compartment can be heated using the heat of the waste heat of internal combustion engine and engine exhaust, the recirculated water of diesel locomotive is in the normal row of vehicle
Temperature in the state of sailing is generally higher than 80 degree, can substantially meet compartment it is various in the case of heating requirement, it is and electric
The power of electrical automobile mostlys come from motor, and the temperature of the cooling circulating water of electric automobile only has 50 degree, lacked engine thermal
The utilization of amount, requires so as to be extremely difficult to heating；On the other hand, multiple heat generating components, such as motor are provided with electric automobile
Frequency converter, battery etc., it is necessary to cooled down using corresponding heat abstractor, to ensure that said elements can be in the temperature model for allowing
Enclose interior work.
Therefore, the reasonability and the cooling effect of heat generating components of the heat generating components Btu utilization of electric automobile how are improved,
The comfort level in the compartment of electric automobile is improved simultaneously, the comprehensive management of the hot systems of electric automobile is realized, just turns into this area
The current technical issues that need to address of technical staff.
The content of the invention
In view of this, the present invention provides a kind of electric automobile Intelligent heat management system and control method, to solve existing skill
In art electric automobile heat generating components need cooling and compartment temperature need lifting when, the heat utilization ratio of heat generating components is low, causes
The problem of energy dissipation.
To achieve the above object, the present invention provides following technical scheme：
A kind of electric automobile Intelligent heat management system, including：
Power assembly heat management loop, automatically controlled choke valve, vehicle body circulation line and entire car controller；
Wherein, automatically controlled choke valve connection the power assembly heat management loop and the vehicle body circulation line, described
Entire car controller is used to obtaining the temperature and flow in the power assembly heat management loop, and the vehicle body circulation line temperature
Degree, is calculated the heat to be compensated of the vehicle body circulation line, and controls the automatically controlled choke valve, makes the power assembly heat
The heat of management loop is transferred to the vehicle body circulation line by the automatically controlled choke valve.
Preferably, the power assembly heat management loop includes the circulating box, cooling pump, the motor control that are sequentially connected
Device circulation line, motor circulation line.
Preferably, also include：Motor temperature sensor, the drive motor controller being connected with the entire car controller
Temperature sensor and vehicle body circulation line temperature sensor.
Preferably, also include：Cooling pump inlet temperature sensor, the circulating box feed liquor being connected with the entire car controller
Mouth temperature sensor, cooling pump liquid outlet flow sensor.
Preferably, the entire car controller is connected by cooling down pump motor with the cooling pump, by controlling the cooling
Pump motor controls the moment of torsion and rotating speed of cooling pump.
Preferably, the cooling pump motor is high-voltage AC motor；
The electric automobile Intelligent heat management system also includes：Electrokinetic cell and DC-AC converter；
The electrokinetic cell is by the DC-AC converter for the high-voltage AC motor provides energy.
Preferably, also including expansion tank, the expansion tank is connected with the circulating box, for eliminating power assembly heat management
Bubble in loop.
The present invention also provides a kind of electric automobile intelligent thermal management control method, including：
Obtain the temperature and flow in power assembly heat management loop, and vehicle body circulation line temperature；
Calculate the heat to be compensated of the vehicle body circulation line；
Automatically controlled choke valve is controlled, the heat in the power assembly heat management loop is transferred to by the automatically controlled choke valve
The vehicle body circulation line.
Preferably, the temperature of the temperature and flow for obtaining power assembly heat management loop, and vehicle body circulation line
Including：
Obtain motor temperature, drive motor controller temperature, vehicle body circulation line temperature and cooling pump liquid outlet stream
Amount.
Preferably, the heat to be compensated for calculating the vehicle body circulation line includes：
The actual temperature of vehicle body circulation line and the design temperature of the vehicle body circulation line are obtained, relatively more described actual temperature
Degree and the design temperature, are calculated heat to be compensated.
Understood via above-mentioned technical scheme, electric automobile Intelligent heat management system and control method that the present invention is provided
In, by increasing between power assembly heat management loop and vehicle body circulation line, automatically controlled choke valve is set, and by vehicle control
Device processed controls the change that the switch of automatically controlled choke valve or control pass through automatically controlled choke valve fluid flow, will be from power assembly heat management
The heat of the absorption in loop, is transferred in vehicle body circulation line, so as to be heated to interior, i.e., by the way that power is total
Unnecessary heat is transferred in vehicle body circulation line into heat management loop, realizes the transfer and utilization of heat, it is ensured that power
Under flow and temperature rise demand that assembly heat management loop needs, the heat utilization ratio in vehicle is improve, reduce the wave of heat
Take.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of electric automobile Intelligent heat management system structural representation provided in an embodiment of the present invention；
Fig. 2 is another electric automobile Intelligent heat management system structural representation provided in an embodiment of the present invention；
Fig. 3 is entire car controller input signal provided in an embodiment of the present invention and output signal schematic diagram；
Fig. 4 is a kind of electric automobile intelligent thermal management control method flow chart provided in an embodiment of the present invention.
Specific embodiment
In the prior art, it is existing in order to the temperature in the compartment for realizing electric automobile is maintained at the comfortable temperature of human body sensory
Have in technology and employ various ways and heated in compartment：First, using independent thermal source, i.e., using PTC (Positive
Temperature Coefficient, thermistor) heating；2nd, ensure that the temperature in compartment is remained using fuel heating
Within the scope of comfortable temperature；On the other hand, worked within the scope of normal temperature to ensure heat generating components, in the prior art
It is general to coordinate water circulation to realize the cooling to said elements using air-cooled radiator.
However, in above-mentioned various mode of heatings, according to independent thermal source, such as：PTC is heated, then need consumption compared with
The energy of many batteries, and then the distance travelled of automobile can be reduced；According to fuel heating, not only the efficiency of heating surface is relatively low, but also
Pollution can be produced to environment, while the load of automobile can be increased, on the other hand, the heat generating components in power assembly also needs to use
Independent radiator is radiated, in the case that not only heat is not utilized preferably, and environment temperature is higher, to hair
The cooling effect of thermal part is also poor, it is impossible to control heat generating components to be worked at optimal temperature.
Inventor find power assembly of electric automobile heat management loop and vehicle body circulation line between be it is separate,
And power assembly heat management loop and vehicle body circulation line between flow and pressure it is different, it is impossible to be joined directly together, cause
The heat of power assembly circulation line cannot be supplied to vehicle body circulation line, cause heat waste.
Based on this, the present invention provides a kind of electric automobile Intelligent heat management system, including：
Power assembly heat management loop, automatically controlled choke valve, vehicle body circulation line and entire car controller；
Wherein, automatically controlled choke valve connection the power assembly heat management loop and the vehicle body circulation line, described
Entire car controller is used to obtaining the temperature and flow in the power assembly heat management loop, and the vehicle body circulation line temperature
Degree, is calculated the heat to be compensated of the vehicle body circulation line, and controls the automatically controlled choke valve, makes the power assembly heat
The heat of management loop is transferred to the vehicle body circulation line by the automatically controlled choke valve.
The present invention also provides a kind of electric automobile intelligent thermal management control method, including：
Obtain the temperature and flow in power assembly heat management loop, and vehicle body circulation line temperature；
Calculate the heat to be compensated of the vehicle body circulation line；
Automatically controlled choke valve is controlled, the heat in the power assembly heat management loop is transferred to by the automatically controlled choke valve
The vehicle body circulation line.
In electric automobile Intelligent heat management system and control method that the present invention is provided, returned by power assembly heat management
Increase between road and vehicle body circulation line and automatically controlled choke valve be set, and switch by the automatically controlled choke valve of vehicle control unit controls or
The change by the fluid flow of automatically controlled choke valve is controlled, by from the heat of the absorption in power assembly heat management loop, transmission
Into vehicle body circulation line, so as to being heated to interior, i.e., by by heat unnecessary in power assembly heat management loop
Amount is transferred in vehicle body circulation line, realizes the transfer and utilization of heat, it is ensured that the stream that power assembly heat management loop needs
Under amount and temperature rise demand, the heat utilization ratio in vehicle is improve, reduce the waste of heat.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to, Fig. 1 is a kind of electric automobile Intelligent heat management system structural representation provided in an embodiment of the present invention
Figure；Wherein, the connecting line of solid line double-head arrow represents the transmission of communication signal, and single arrow dotted lines represent the liquid in heat management system
Flow direction.Wherein, electric automobile Intelligent heat management system, including：Power assembly heat management loop 1, automatically controlled choke valve 2, car
Body circulation line 3 and entire car controller (VCU) 4；Wherein, the connection power assembly heat management of automatically controlled choke valve 2 loop 1 and vehicle body are followed
Endless tube road 3, entire car controller 4 is used to obtain the temperature and flow in power assembly heat management loop 1, and vehicle body circulation line 3
Temperature, be calculated the heat to be compensated of vehicle body circulation line 3, and control automatically controlled choke valve 2, return power assembly heat management
The heat on road 1 is transferred to vehicle body circulation line 3 by automatically controlled choke valve 2.
As shown in figure 1, power assembly heat management loop includes the circulating box 11, the cooling that are sequentially connected in the embodiment of the present invention
Pump 12, the circulation line of drive motor controller 13 and the circulation line of motor 14, it is necessary to explanation, in accompanying drawing of the present invention 1
Replace the circulation line of drive motor controller using drive motor controller 13；Motor is represented using motor 14
Circulation line, but well known to a person skilled in the art being provided with cooling in drive motor controller 13 and motor 14 and follow
Endless tube road, for the heat produced in drive motor controller 13 and the course of work of motor 14 to be taken away, to cool down drive
Dynamic electric machine controller 13 and motor 14.Wherein, circulating box 11 is the main memory space of coolant, by bending water pipe additional
Area of dissipation is added.
Electric automobile Intelligent heat management system in the embodiment of the present invention also includes：The driving being connected with entire car controller 4
Motor temperature sensor, drive motor controller temperature sensor and vehicle body circulation line temperature sensor.With entire car controller 4
Connected cooling pump inlet temperature sensor, circulating box inlet temperature sensor, cooling pump liquid outlet flow sensor, on
All temperature sensors are stated for obtaining the temperature of temperature sensor position, and temperature signal is transmitted to entire car controller
4, cooling pump liquid outlet flow sensor is used to obtain by the flow information of cooling pump liquid outlet, and the flow signal is passed
Entire car controller 4 is transported to, it is necessary to illustrate, the sensor is not shown in figure.
Electric automobile Intelligent heat management system in the embodiment of the present invention also includes：Cooling pump motor 5, entire car controller 4
It is connected with cooling pump 12 by cooling down pump motor 5, the moment of torsion and rotating speed of cooling pump 12 is controlled by controlling cooling pump motor 5.
Automatically controlled choke valve 2 can control power assembly circulation loop 1 to flow to vehicle body circulation line 3 in the embodiment of the present invention
Flow, by the driving and control of entire car controller 4.PTC6 on vehicle body circulation line 3 (is not shown by consuming electrokinetic cell in figure
Go out) direct current, be converted into the heat consumption of resistance, the liquid in heating vehicle body circulation line 3 lifts environment inside car temperature,
The liquid for lifting vehicle interior temperature is stored in vehicle body circulation line 3.
The embodiment of the present invention sets temperature sensor and flow sensor in circulation loop diverse location, by vehicle body circulation pipe
Road 3 is connected with power assembly heat management loop 1 by automatically controlled choke valve 2, at low ambient temperatures, by power assembly heat management loop
Heat take vehicle body circulation line to, reduce the heat waste in power assembly heat management loop.Entire car controller is by collection
The temperature signal and flow signal of different circulation loops, control the rotating speed and flow of cooling pump, it is ensured that vehicle body circulation line needs
Flow and temperature rise demand, ensure the temperature rise of vehicle body circulation line so as to avoid heating PCT using electrokinetic cell, Jin Erti
The energy utilization efficiency of electrokinetic cell high, extends vehicle course continuation mileage.
Fig. 2 is referred to, Fig. 2 is another electric automobile Intelligent heat management system structural representation provided in an embodiment of the present invention
Figure；The electric automobile Intelligent heat management system also includes in addition to including structure described in above example：The He of electrokinetic cell 7
DC-AC converter (DCAC) 8；Electrokinetic cell 7 by DC-AC converter 8 be high-voltage AC motor (namely cooling pump electricity
Machine 5) energy is provided.Electrokinetic cell 7 as energy storage device, for electric automobile Intelligent heat management system provides energy and high voltage,
Voltage range is generally 48V-700V.DCAC8 changes the direct current of electrokinetic cell 7 by power electronics, exports three-phase alternation
Electric current, there is provided adjust cooling pump by changing the size and frequency of DCAC8 output currents to cooling pump motor 5, entire car controller
The moment of torsion and rotating speed of motor 5 so that the output pressure of cooling pump 12 and flow meet the demand of heat management system.
Cooling pump motor 5 is three phase alternating current motor, and phase voltage is high pressure, and scope can use permanent magnetism typically in 27V-380V
Synchronous motor or AC induction motor etc., output shaft are connected with the rotor of cooling pump 12.Cooling pump 12, by rotation, is heat management
System circulation loop provides required pressure and flow.Pump motor 5 is cooled down in the present embodiment and uses high-voltage AC motor, high pressure is handed over
Stream motor has small output current, high working efficiency, high reliability compared with low voltage DC motor.
Electric automobile Intelligent heat management system described in the present embodiment can also include expansion tank 9, expansion tank 9 and circulating box
11 connections, for storing part coolant, for the expansion of coolant provides space, eliminate the bubble in circulation loop.
The electric automobile Intelligent heat management system can also include radiator fan 10, by adjusting rotating speed, control radiating
The radiating rate of fan, the rotating speed control of radiator fan 10 is by entire car controller 4 by sending certain frequency, different duty
PWM (Pulse Width Modulation, pulse width modulation) waveform signal is controlled, and dutycycle is bigger, radiator fan motor
Driving current is bigger, and radiating fan rotation speed is faster, and heat radiation power is bigger.
Entire car controller VCU collections heat management circulation loop diverse location temperature sensor, flow sensor, with DCAC,
Electric machine controller and PTC etc. are communicated, the running status and demand of obtaining widget, and control cools down the moment of torsion of pump motor and turns
Speed, obtains the pressure and flow of heat management system demand.Drive motor controller is changed by power electronics, controls motor
Output torque and rotating speed, drive motor controller power cell such as IGBT etc. can produce heat, it is necessary to by temperature control one
Determine in scope.Motor stator winding produces the loss such as iron loss and copper loss by different frequency and the electric current of amplitude, can be with heat
Form comes out, and needs also exist for being cooled down, by temperature rise control in the reasonable scope.
As shown in figure 3, Fig. 3 is entire car controller input signal and output signal block diagram.Input signal has motor temperature
Degree signal, drive motor controller temperature signal, cooling pump inlet temperature signal, circulating box inlet temperature signal, vehicle body
Circulation line temperature signal and cooling pump liquid outlet flow signal etc..Output signal has cooling pump Motor torque signal, cooling pump
Motor speed signal and automatically controlled throttle valve control signal etc..
The embodiment of the present invention replaces with high-voltage AC motor by pump motor is cooled down by low voltage DC motor, due to high-voltage alternating
Motor has small output current, high working efficiency, high reliability, relative to the reduction of low voltage DC motor fault rate, subtracts
Maintenance and maintenance cost are lacked.In addition, setting temperature sensor and flow sensor in circulation loop diverse location, vehicle body is followed
Endless tube road is connected with power assembly heat management loop by automatically controlled choke valve, at low ambient temperatures, power assembly heat management is returned
The heat on road is taken in vehicle body circulation line, it is ensured that under flow and temperature rise demand that power assembly heat management loop needs, is improved
Heat utilization ratio in vehicle, reduces the waste of heat.
The present invention also provides a kind of electric automobile intelligent thermal management control method, as shown in figure 4, being the control method
Flow chart, including：
Step S101：Obtain the temperature and flow in power assembly heat management loop, and vehicle body circulation line temperature；
The temperature and flow for obtaining power assembly heat management loop, and the temperature of vehicle body circulation line includes：Obtain
Take motor temperature, drive motor controller temperature, vehicle body circulation line temperature and cooling pump liquid outlet flow.
Step S102：Calculate the heat to be compensated of the vehicle body circulation line；
The heat to be compensated for calculating the vehicle body circulation line includes：Obtain vehicle body circulation line actual temperature and
The design temperature of the vehicle body circulation line, the relatively actual temperature and the design temperature, are calculated heat to be compensated.
Step S103：Automatically controlled choke valve is controlled, the heat in the power assembly heat management loop is passed through the automatically controlled section
Stream valve is transferred to the vehicle body circulation line.
Specifically, control method includes：
1) entire car controller is according to motor temperature signal, drive motor controller temperature signal equitemperature sensor
Temperature signal determines the temperature rise situation of driver part, calculates the flow and pressure of circulation loop demand.
2) entire car controller judges to follow by gathering cooling pump inlet temperature signal, circulating box inlet temperature signal etc.
The cooling capacity of ring case.If beyond the cooling capacity of circulating box, vehicle control unit controls radiator fan is transported according to certain rotating speed
Turn, lift the cooling capacity of circulating box；Otherwise, radiator fan is closed.
3) entire car controller obtains cooling pump liquid outlet flow signal and is contrasted with the circulation loop flow signal for calculating,
By adjusting torque and the rotating speed of cooling pump, closed-loop control is formed, improve flow control accuracy.
4) when driver opens warm wind, vehicle control unit controls PTC work.Entire car controller is by gathering vehicle body circulation pipe
Road temperature signal, judges the flow signal of power assembly heat management loop compensation vehicle body circulation line.Entire car controller is by control
Automatically controlled choke valve is made, the uninterrupted of power assembly heat management loop compensation vehicle body circulation line is controlled.By compensation, it is possible to decrease
To PTC power demands, reduce the energy ezpenditure to electrokinetic cell.
5) entire car controller sends cooling pump Motor torque and tach signal instruction by controlling DCAC, and DCAC is defeated for control
Go out the amplitude and frequency of electric current.
Entire car controller controls the rotating speed of cooling pump by gathering temperature signals and flow signal different on circulation loop
And flow, it is ensured that the flow and temperature rise demand in power assembly heat management loop, improve the energy utilization efficiency of electrokinetic cell, extension
Vehicle course continuation mileage.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (10)
1. a kind of electric automobile Intelligent heat management system, it is characterised in that including：
Power assembly heat management loop, automatically controlled choke valve, vehicle body circulation line and entire car controller；
Wherein, automatically controlled choke valve connection the power assembly heat management loop and the vehicle body circulation line, the vehicle
Controller is used to obtaining the temperature and flow in the power assembly heat management loop, and the vehicle body circulation line temperature,
The heat to be compensated of the vehicle body circulation line is calculated, and controls the automatically controlled choke valve, make the power assembly heat pipe
The heat for managing loop is transferred to the vehicle body circulation line by the automatically controlled choke valve.
2. electric automobile Intelligent heat management system according to claim 1, it is characterised in that the power assembly heat management
Loop includes the circulating box, cooling pump, drive motor controller circulation line, the motor circulation line that are sequentially connected.
3. electric automobile Intelligent heat management system according to claim 2, it is characterised in that also include：With the vehicle
The connected motor temperature sensor of controller, drive motor controller temperature sensor and vehicle body circulation line TEMP
Device.
4. electric automobile Intelligent heat management system according to claim 3, it is characterised in that also include：With the vehicle
The connected cooling pump inlet temperature sensor of controller, circulating box inlet temperature sensor, cooling pump liquid outlet flow are passed
Sensor.
5. electric automobile Intelligent heat management system according to claim 2, it is characterised in that the entire car controller passes through
Cooling pump motor is connected with the cooling pump, by the moment of torsion and rotating speed that control cooling pump described in the cooling pump motor control.
6. electric automobile Intelligent heat management system according to claim 5, it is characterised in that the cooling pump motor is height
Pressure alternating current generator；
The electric automobile Intelligent heat management system also includes：Electrokinetic cell and DC-AC converter；
The electrokinetic cell is by the DC-AC converter for the high-voltage AC motor provides energy.
7. electric automobile Intelligent heat management system according to claim 5, it is characterised in that described also including expansion tank
Expansion tank is connected with the circulating box, for eliminating the bubble in the power assembly heat management loop.
8. a kind of electric automobile intelligent thermal management control method, it is characterised in that including：
Obtain the temperature and flow in power assembly heat management loop, and vehicle body circulation line temperature；
Calculate the heat to be compensated of the vehicle body circulation line；
Automatically controlled choke valve is controlled, the heat in the power assembly heat management loop is transferred to by the automatically controlled choke valve described
Vehicle body circulation line.
9. electric automobile intelligent thermal management control method according to claim 8, it is characterised in that the acquisition power is total
Include into the temperature and flow in heat management loop, and the temperature of vehicle body circulation line：
Obtain motor temperature, drive motor controller temperature, vehicle body circulation line temperature and cooling pump liquid outlet flow.
10. electric automobile intelligent thermal management control method according to claim 8, it is characterised in that described in the calculating
The heat to be compensated of vehicle body circulation line includes：
Obtain the actual temperature of vehicle body circulation line and the design temperature of the vehicle body circulation line, relatively the actual temperature and
The design temperature, is calculated heat to be compensated.
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| CN201710183233.3A CN106882035A (en) | 2017-03-24 | 2017-03-24 | Electric automobile Intelligent heat management system and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710183233.3A CN106882035A (en) | 2017-03-24 | 2017-03-24 | Electric automobile Intelligent heat management system and control method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081936A (en) * | 2017-12-21 | 2018-05-29 | 北京华田汽车科技有限公司 | A kind of electric automobile cooling system using radiator without fan |
| CN108394254A (en) * | 2018-04-27 | 2018-08-14 | 北京新能源汽车股份有限公司 | Electric automobile thermal management system and control method |
| CN108896922A (en) * | 2018-06-22 | 2018-11-27 | 江西江铃集团新能源汽车有限公司 | Electric car voltage platform determines method |
| CN109017209A (en) * | 2018-08-17 | 2018-12-18 | 安徽信息工程学院 | Pure electric automobile voice air conditioner control system |
| CN109591602A (en) * | 2018-12-24 | 2019-04-09 | 浙江合众新能源汽车有限公司 | A kind of driving motor rotation-clogging protection system and method for electric car |
| CN109895600A (en) * | 2017-12-11 | 2019-06-18 | 郑州宇通客车股份有限公司 | A kind of automobile-used heating system and vehicle |
| WO2021232261A1 (en) * | 2020-05-20 | 2021-11-25 | 深圳元戎启行科技有限公司 | Cooling system for vehicle, control system, and vehicle |
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