CN109435658A - The heat management system and its control method and vehicle of vehicle - Google Patents
The heat management system and its control method and vehicle of vehicle Download PDFInfo
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- CN109435658A CN109435658A CN201811103083.1A CN201811103083A CN109435658A CN 109435658 A CN109435658 A CN 109435658A CN 201811103083 A CN201811103083 A CN 201811103083A CN 109435658 A CN109435658 A CN 109435658A
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- motor
- battery
- regulating valve
- temperature
- management system
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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
- B60K1/00—Arrangement or mounting of electrical propulsion units
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
-
- 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
- B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Hybrid Electric Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of heat management system of vehicle and its control method and vehicles, heat management system includes: engine, radiator, first flow regulating valve, battery, second flow regulating valve, electric machine controller, third flow control valve and the motor of series connection, motor is connected again to form circulation with engine, wherein, first flow regulating valve is also connected with the first pipeline between second flow regulating valve, it is connected with the second pipeline between second flow regulating valve and third flow control valve, third pipeline is connected between third flow control valve and engine.Thus, the coolant rate for flowing to battery, electric machine controller and motor can effectively be controlled, so as to reach coolant rate Precise control, battery, electric machine controller and motor can be made to maintain in respective operating temperature section, and then optimum Working can be kept, the service life of all parts can be extended.
Description
Technical field
The present invention relates to technical field of vehicle, heat management system and its control method and vehicle more particularly, to a kind of vehicle
?.
Background technique
With the fast development of auto industry, the energy-saving and emission-reduction of automobile are put forward higher requirements, hybrid power system is simultaneous
Caring for dynamic property and economy becomes the focus of main industry research, become the development of new energy dynamical system mainstream branch it
One, there is very big development space.
The cooling system of hybrid power system generally uses module to distinguish control mode at present, and the otherness of product is to being
System is integrated to be put forward higher requirements.
The efficiency for charge-discharge of battery be affected by temperature it is larger, it is when the temperature is too low, pure to electrically activate difficulty, given by electric heating
Battery heating expends electric energy, consumes a large amount of electric energy.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention
It is to propose that a kind of heat management system of vehicle, the heat management system can manage battery, electric machine controller and motor simultaneously
Temperature can promote working efficiency, and can drop so that all parts work in respective operating temperature section
The energy consumption of low battery.
The present invention further proposes a kind of control method of heat management system.
The present invention further also proposed a kind of vehicle.
The heat management system of vehicle according to the invention, comprising: engine, radiator, the first flow tune of series connection
Section valve, battery, second flow regulating valve, electric machine controller, third flow control valve and motor, the motor start with described again
Machine is connected to form circulation, wherein the first flow regulating valve is also connected with the between the second flow regulating valve
One pipeline, so that the first flow adjusts the coolant rate that valve regulation flows to the battery and first pipeline, it is described
It is connected with the second pipeline between second flow regulating valve and the third flow control valve, so that the second flow regulating valve tune
The coolant rate to throttle to the electric machine controller and second pipeline, the third flow control valve and the engine
Between be connected with third pipeline so that the second flow adjusts valve regulation and flows to the cooling of the motor and the third pipeline
Flow quantity.
First flow regulating valve, second flow regulating valve and third flow control valve are used as a result, can effectively control stream
To the coolant rate of battery, electric machine controller and motor, so as to reach coolant rate Precise control, can make
Battery, electric machine controller and motor maintain in respective operating temperature section, and then can keep optimum Working, can be with
Extend the service life of all parts, and the heat management system can be made while controlling multiple components, control is simple, consumption
The energy is few.
In some examples of the invention, the first flow regulating valve include two first outlets, two described first
Outlet is separately connected the battery and first pipeline；The second flow regulating valve includes two second outlets, two institutes
It states second outlet and is separately connected the electric machine controller and second pipeline；The third flow control valve includes two thirds
Outlet, two third outlets are separately connected the motor and the third pipeline.
In some examples of the invention, the outlet tube of the battery connects on first pipeline, the motor control
The outlet tube of device connects on second pipeline, and the outlet tube of the motor connects on the third pipeline.
In some examples of the invention, the inlet tube and the electricity of the inlet tube of the battery, the electric machine controller
The inlet tube of machine is provided with the check valve unidirectionally flowed into.
In some examples of the invention, the first flow regulating valve, the second flow regulating valve and the third
Flow control valve is thermostat or the adjustable three-way electrovalve door of valve.
In some examples of the invention, the heat management system further include: fan, the fan are arranged in the heat dissipation
At device.
In some examples of the invention, the heat management system further include: entire car controller, the battery, the electricity
Machine controller, the motor, the first flow regulating valve, the second flow regulating valve, the third flow control valve and
The fan is connect with the entire car controller signal.
The control method of the heat management system of vehicle according to the invention, comprising the following steps: S1, know the battery,
The temperature of the electric machine controller and the motor, and temperature will be obtained and be compared with respective operating temperature section, judge
Current thermic load state；S2, the battery, the electric machine controller and the motor the temperature of any one not in work
When making temperature range, adjust in the first flow regulating valve, the second flow regulating valve and the third flow control valve
At least one, change cooling fluid supply amount so that temperature is back to operating temperature section.
In some examples of the invention, the heat management system includes: fan；In the step S1, described in judgement
Heat management system is heated condition；In the step S2, in the case where the temperature of the battery is lower than corresponding operating temperature section
Limit and at also less than 15 DEG C, the first flow regulating valve closes the fan towards the aperture regulation of the battery to maximum.
In some examples of the invention, further includes: S3, after the temperature of the battery is increased above 20 DEG C is adjusted
Described first flows to aperture of the regulating valve towards the battery, and opens the fan, and the temperature of the battery maintains work
In temperature range.
In some examples of the invention, the heat management system includes: fan；In the step S1, described in judgement
Heat management system is the state of cooling；In the step S2, when the temperature of the battery is higher than the operating temperature section upper limit, increase
The big first flow regulating valve is towards the aperture of the battery, and the temperature of the battery is not back to work yet in the given time
After making temperature range, increase the revolving speed of the fan, battery is made to be back to operating temperature section；In the temperature of the electric machine controller
When higher than the operating temperature section upper limit, increase aperture of the second flow regulating valve towards the electric machine controller, and pre-
Fix time the interior electric machine controller temperature be not back to operating temperature section yet after, increase the revolving speed of the fan, make motor
Controller is back to operating temperature section；When the temperature of the motor is higher than the operating temperature section upper limit, increase the third stream
Adjustable valve is towards the aperture of the motor, and the temperature of the motor is not back to operating temperature section yet in the given time
Afterwards, the revolving speed for increasing the fan makes motor be back to operating temperature section；It is lower than corresponding work temperature in the temperature of the battery
Spend interval limit when, reduce the revolving speed of the fan, if a temperature of the electric machine controller and the motor be higher than pair
When the operating temperature section upper limit answered, reduce aperture of the first flow regulating valve towards the motor；In the motor control
When the temperature of device processed is lower than corresponding operating temperature interval limit, the revolving speed of the fan is reduced, if the electric machine controller
When being higher than the corresponding operating temperature section upper limit with two temperature of the motor, reduce the second flow regulating valve towards institute
State the aperture of motor；When the temperature of the motor is lower than corresponding operating temperature interval limit, the revolving speed of the fan is reduced,
If three temperature of the electric machine controller and the motor are higher than the corresponding operating temperature section upper limit, reduce described the
Aperture of three flow control valves towards the motor.
Vehicle according to the invention, the heat management system including the vehicle.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the schematic diagram of the heat management system of vehicle according to an embodiment of the present invention.
Fig. 2 is the step schematic diagram of the control method of the heat management system of vehicle according to an embodiment of the present invention.
Appended drawing reference:
Heat management system 100；
Engine 1；Radiator 2；First flow regulating valve 3；Battery 4；Second flow regulating valve 5；Electric machine controller 6；The
Three flow control valves 7；Motor 8；First pipeline 9；Second pipeline 10；Third pipeline 11；Water pump 12；Water tank 13；Fan 14；Vehicle
Controller 15.
Specific embodiment
The heat management system 100 of vehicle according to an embodiment of the present invention is described below with reference to Fig. 1, the heat management system 100
It can be adapted for the hybrid power system of vehicle.
As shown in Figure 1, the heat management system 100 of vehicle according to an embodiment of the present invention includes: the engine of series connection
1, radiator 2, first flow regulating valve 3, battery 4, second flow regulating valve 5, electric machine controller 6,7 and of third flow control valve
Motor 8, motor 8 are connected again to form circulation with engine 1.Start that is, being back flowed back by the coolant liquid of motor 8
Machine 1, so as to form a circulation loop, when heat management system 100 works, coolant liquid is by recycling in all parts
Coolant liquid in circuit can constantly improve the operating temperature of engine 1, battery 4, electric machine controller 6 and motor 8.Wherein, it sends out
Motivation 1 can be gas engine 1.It should be noted that can be connected by pipeline between above-mentioned two adjacent component.Its
In, the position of first flow regulating valve 3, second flow regulating valve 5 and third flow control valve 7 can change, for example, second
Adjustable valve 5 and electric machine controller 6 can be located at the upstream of first flow regulating valve 3 and battery 4, and for another example, third flow is adjusted
Valve 7 and motor 8 can be located at the upstream of second flow regulating valve 5 and electric machine controller 6, in this regard, the change of position can't shadow
The change of regulatory function is rung, still keeps series connection between multiple components.
Wherein, first flow regulating valve 3 is also connected with the first pipeline 9 between second flow regulating valve 5, so that first-class
Adjustable valve 3, which is adjusted, flows to the coolant rate of battery 4 and the first pipeline 9, that is to say, that the not only court of first flow regulating valve 3
Coolant liquid is supplied to battery 4, coolant liquid can also be supplied towards the first pipeline 9, it is to be understood that feed the first pipeline 9
Coolant liquid is not involved in the heat exchange of battery 4, and such first flow regulating valve 3 can flow to the cooling liquid stream of battery 4 by adjusting
The coolant rate for measuring and flowing to the first pipeline 9 improves the operating temperature of battery 4, so that the operating temperature of battery 4
Within reasonable operating temperature section.There are cooling line, perhaps cooler pan cooling line or cooler pan can inside battery 4
To stick on the battery core surface of battery 4, heat exchange area can be increased in this way, heat exchange efficiency can be improved.First flow regulating valve 3
Minimum aperture be greater than 0, for example, can be total flow 20%.
The second pipeline 10 is connected between second flow regulating valve 5 and third flow control valve 7, so that second flow is adjusted
The coolant rate of valve 5 adjusting flow direction motor controller 6 and the second pipeline 10, that is to say, that the not only court of second flow regulating valve 5
Coolant liquid is supplied to electric machine controller 6, coolant liquid can also be supplied towards the second pipeline 10, it is to be understood that feed second
The coolant liquid of pipeline 10 is not involved in the heat exchange of electric machine controller 6, and such second flow regulating valve 5 can be by adjusting flow direction electricity
The coolant rate of machine controller 6 and the coolant rate for flowing to the second pipeline 10 improve the operating temperature of electric machine controller 6, from
And it can make the operating temperature of electric machine controller 6 within reasonable operating temperature section.There are cold inside electric machine controller 6
But pipeline or cooler pan.The minimum aperture of second flow regulating valve 5 is greater than 0, for example, can be the 20% of total flow.
Third pipeline 11 is connected between third flow control valve 7 and engine 1, so that second flow regulating valve 5 is adjusted
The coolant rate of flow direction motor 8 and third pipeline 11.That is, third flow control valve 7 supplied not only toward motor 8 it is cold
But liquid can also supply coolant liquid towards third pipeline 11, it is to be understood that the coolant liquid for feeding third pipeline 11 is not involved in
The heat exchange of motor 8, such third flow control valve 7 can be by adjusting the coolant rate of flow direction motor 8 and flowing to third
The coolant rate of pipeline 11 improves the operating temperature of motor 8, so that the operating temperature of motor 8 is reasonably working
Within temperature range.The minimum aperture of third flow control valve 7 is greater than 0, for example, can be the 20% of total flow.
First flow regulating valve 3, second flow regulating valve 5 and third flow control valve 7 are used as a result, can effectively be controlled
System flows to the coolant rate of battery 4, electric machine controller 6 and motor 8, so as to reach coolant rate Precise control,
Battery 4, electric machine controller 6 and motor 8 can be made to maintain in respective operating temperature section, and then best work can be kept
Make state, the service life of all parts can be extended, and the heat management system 100 can be made while controlling multiple portions
Part, control is simple, and the consumption energy is few.
Optionally, as shown in Figure 1, first flow regulating valve 3 includes two first outlets, two first outlets are separately connected
Battery 4 and the first pipeline 9.Wherein, two first outlets can be set at the different lateral of first flow regulating valve 3, for example,
First flow regulating valve 3 has first import, and first first outlet being oppositely arranged with the first import can be used for connecting
The first pipeline 9 is connect, another first outlet can be used for connecting battery 4.If such setting, it can to avoid the first pipeline
9 and battery 4 interfere with each other, 100 connection and reasonable arrangement of heat management system can be made orderly.
Second flow regulating valve 5 includes two second outlets, and two second outlets are separately connected electric machine controller 6 and second
Pipeline 10.Two second outlets can be set at the different lateral of second flow regulating valve 5, for example, second flow regulating valve 5
With second import, it can be used for connecting the second pipeline 10 with second second outlet that the second import is oppositely arranged, separately
One second outlet can be used for connecting electric machine controller 6.If such setting, it can to avoid the second pipeline 10 and motor
Controller 6 interferes with each other, and 100 connection and reasonable arrangement of heat management system can be made orderly.
Third flow control valve 7 includes two third outlets, and two third outlets are separately connected motor 8 and third pipeline
11.Two third outlets can be set at the different lateral of third flow control valve 7, for example, third flow control valve 7 has
Three third imports can be used for connecting third pipeline 11, the other three with the third third outlet that third import is oppositely arranged
Third outlet can be used for connecting motor 8.It if such setting, can that third pipeline 11 and motor 8 is avoided to interfere with each other,
100 connection and reasonable arrangement of heat management system can be made orderly.
The outlet tube of battery 4 connects on the first pipeline 9, and the liquid outlet of such first pipeline 9 is connected to second flow adjusting
Second entrance of valve 5 can make the pipeline connection and reasonable arrangement of heat management system 100 so as to omit an import.
The outlet tube of electric machine controller 6 connects on the second pipeline 10, and the outlet of such second pipeline 10 is connected to third stream
The third entrance of adjustable valve 7 can make the pipeline of heat management system 100 arrange and close so as to omit an import
Reason.
The outlet tube of motor 8 connects on third pipeline 11, and the outlet of such third pipeline 11 is connected to the import of engine 1
Place, so as to omit an import, can make the pipeline connection and reasonable arrangement of heat management system 100.
Wherein, as shown in Figure 1, the inlet tube of the inlet tube of battery 4, the inlet tube of electric machine controller 6 and motor 8 is respectively provided with
There is the check valve unidirectionally flowed into.The setting of check valve can be to avoid coolant liquid reverse flow, so as to promote coolant liquid along pre-
Determine direction flowing, and then can guarantee the functional reliability of heat management system 100.It should be noted that battery 4 and first flow
It is connected with inlet tube between regulating valve 3, is connected with outlet tube between battery 4 and the first pipeline 9；Electric machine controller 6 and second
It is connected with inlet tube between adjustable valve 5, is connected with outlet tube between electric machine controller 6 and the second pipeline 10；Motor 8 and third
It is connected with inlet tube between flow control valve 7, is connected with outlet tube between motor 8 and third pipeline 11.Above-mentioned inlet tube and
Outlet tube can be the identical tubing of structure, in addition, the first pipeline 9, the second pipeline 10 and third pipeline 11 can also use phase
Same tubing, can further reduce the complexity of heat management system 100 in this way.
For flow control valve type without limitation, for example, first flow regulating valve 3, second flow regulating valve 5 and
Three flow control valves 7 are thermostat or the adjustable three-way electrovalve door of valve.Reasonable valve is chosen, heat management can be made
System 100 controls accurately, reliable operation.
A specific embodiment according to the present invention, as shown in Figure 1, heat management system 100 further include: fan 14, fan
14 are arranged at radiator 2.Fan 14 can be electronic fan 14, and fan 14 can be by changing revolving speed, so as to be promoted
The heat dissipation performance of radiator 2, for example, it is desired to improve the revolving speed of fan 14 when radiating efficiency is high；For another example, radiating efficiency is needed slightly
When low, the revolving speed of fan 14 is reduced.
Wherein, heat management system 100 further include: entire car controller 15, it is battery 4, electric machine controller 6, motor 8, first-class
Adjustable valve 3, second flow regulating valve 5, third flow control valve 7 and fan 14 are connect with 15 signal of entire car controller.Its
In, entire car controller 15 can know the temperature at battery 4, electric machine controller 6 and motor 8, then adjust according to the actual situation
First flow regulating valve 3, second flow regulating valve 5, the aperture of third flow control valve 7, and the revolving speed of fan 14 is adjusted, from
And all parts can be made to be maintained at optimum working temperature.
As shown in Figure 1, heat management system 100 further include: water pump 12, water pump 12 provide power, water for the flowing of coolant liquid
Pump 12 can connect in the downstream of engine 1, i.e. position between engine 1 and radiator 2.In addition, heat management system 100 is also
It include: water tank 13, water tank 13 is used to supplement the coolant liquid in circulation.Water tank 13 is connected to the pipe between water pump 12 and radiator 2
On the road.
The control of the heat management system 100 of vehicle according to an embodiment of the present invention is described in detail below with reference to Fig. 2
Method.
Heat management system 100 according to an embodiment of the present invention is the following steps are included: S1, know battery 4, electric machine controller 6
It with the temperature of motor 8, and is compared temperature is obtained with respective operating temperature section, judges current thermic load state.
It should be noted that the operating temperature section of each component may be different, the temperature of each component and its operating temperature section into
Row compares, for example, the operating temperature section of the operating temperature section of battery 4 and electric machine controller 6 is different, the temperature of battery 4 with
The operating temperature section of battery 4 is compared.By comparing, the working condition for finally confirming heat management system 100 is to add
Heat, or it is cooling.
S2, battery 4, electric machine controller 6 and motor 8 the temperature of any one not at operating temperature section, adjust
At least one of first flow regulating valve 3, second flow regulating valve 5 and third flow control valve 7 change cooling fluid supply
Amount, so that temperature is back to operating temperature section.For example, battery 4 temperature not at its operating temperature section, thus it is possible to vary
One flow control valve 3, so as to change the temperature at battery 4, can make battery 4 by increasing or reducing its aperture
Temperature be quickly returning to operating temperature section.It for another example, can be in the temperature of electric machine controller 6 not at its operating temperature section
Changing second flow regulating valve 5, can so as to change the temperature at electric machine controller 6 by increasing or reducing its aperture
So that the temperature of electric machine controller 6 is quickly returning to operating temperature section.For another example, in the temperature of motor 8 not in its operating temperature
When section, thus it is possible to vary third flow control valve 7, by increasing or reducing its aperture, so as to change the temperature at motor 8
Degree, can make the temperature of motor 8 be quickly returning to operating temperature section.
The control method of heat management system 100 is described below with reference to concrete condition.
According to some embodiments of the present invention, in step sl, judge heat management system 100 for heated condition, i.e. heat pipe
Reason system 100 needs coolant liquid to heat corresponding component.
In step s 2, when the temperature of battery 4 is lower than corresponding operating temperature interval limit and also less than 15 DEG C, at this time
It has been confirmed that the temperature of battery 4 is too low, at this temperature, the discharge performance of battery 4 will receive influence, first flow regulating valve 3
Towards the aperture regulation of battery 4 to maximum, fan 14 is closed.Electricity when vehicle is run in low temperature environment, under pure power mode
Motor 8 starts relatively difficult at low temperatures in pond 4, and the discharging efficiency of battery 4 is relatively low, and engine 1 starts relatively easily.On
It states heat management system 100 and starts engine 1, increased by the coolant temperature of engine 1, first flow regulating valve 3 adjusts court
To the aperture of battery 4, increase 4 temperature of battery, it, in this way can be with effectively start electricity so as to promote the discharging efficiency of battery 4
Machine 8.In addition, in order to avoid fan 14 influences thermal losses, by the way of closing fan 14.
On this basis, further including step: S3, after the temperature of battery 4 is increased above 20 DEG C is adjusted first-class
To regulating valve towards the aperture of battery 4, adjust herein can to reduce towards first flow regulating valve 3 towards the aperture of battery 4,
And fan 14 is opened, the temperature of battery 4 maintains in operating temperature section.Fan 14 can play the work for improving radiating efficiency
With, such battery 4 will not generate thermal temperature rapid increase due to its work, and be maintained in its operating temperature section, from
And its discharging efficiency can be made high, 8 favorable working performance of motor.
Other embodiments according to the present invention judge that heat management system 100 for the state of cooling, i.e., should in step sl
Heat management system 100 needs the cooling corresponding component of coolant liquid.
In step s 2,
When the temperature of battery 4 is higher than the operating temperature section upper limit, for example, increasing when the temperature of battery 4 is higher than 45 DEG C
For first flow regulating valve 3 towards the aperture of battery 4, such coolant liquid can preferably take away the heat at battery 4, can be advantageous
In the temperature for reducing battery 4, in this adjustment process, until the aperture of first flow regulating valve 3 reaches maximum.And predetermined
After the temperature of battery 4 is not back to operating temperature section yet in time, increase the revolving speed of fan 14, radiator can be improved in fan 14
2 radiating efficiency can advantageously reduce the temperature of coolant liquid, battery 4 can be made to be back to operating temperature section in this way, for example,
30~40 DEG C.
When the temperature of electric machine controller 6 is higher than the operating temperature section upper limit, for example, the temperature in electric machine controller 6 is high
When 50 DEG C, increase aperture of the second flow regulating valve 5 towards electric machine controller 6, such coolant liquid can be preferably with the leakage of electricity
Heat at machine controller 6 can advantageously reduce the temperature of electric machine controller 6, in this adjustment process, until second flow
The aperture of regulating valve 5 reaches maximum.And the temperature of electric machine controller 6 is not back to operating temperature section yet in the given time
Afterwards, increase the revolving speed of fan 14, fan 14 can be improved the radiating efficiency of radiator 2, can advantageously reduce the temperature of coolant liquid
Degree, can make electric machine controller 6 be back to operating temperature section, for example, 30~50 DEG C in this way.
When the temperature of motor 8 is higher than the operating temperature section upper limit, for example, increasing the when 8 temperature of motor is higher than 60 DEG C
Towards the aperture of motor 8, such coolant liquid can preferably take away the heat at motor 8, can be conducive to three flow control valves 7
The temperature for reducing motor 8, in this adjustment process, until the aperture of third flow control valve 7 reaches maximum.And in pre- timing
After the temperature of interior motor 8 is not back to operating temperature section yet, increase the revolving speed of fan 14, radiator 2 can be improved in fan 14
Radiating efficiency, the temperature of coolant liquid can be advantageously reduced, motor 8 can be made to be back to operating temperature section in this way, for example, 30
~60 DEG C.
When the temperature of battery 4 is lower than corresponding operating temperature interval limit, for example, the temperature in battery 4 is lower than 30 DEG C
When, the revolving speed of fan 14 is reduced, the radiating efficiency of such radiator 2 is minimized, so as to control the coolant liquid at battery 4
Temperature reduces first-class if a temperature of electric machine controller 6 and motor 8 is higher than the corresponding operating temperature section upper limit
Adjustable valve 3 can make heat management system 100 combine electric machine controller 6 and motor 8 in this way towards the aperture of motor 8
The temperature at place can make the temperature of the two be kept at corresponding operating temperature section.
When the temperature of electric machine controller 6 is lower than corresponding operating temperature interval limit, for example, in electric machine controller 6
When temperature is lower than 30 DEG C, the revolving speed of fan 14 is reduced, the radiating efficiency of such radiator 2 is minimized, so as to control electricity
Coolant temperature at machine controller 6, if two temperature of electric machine controller 6 and motor 8 are higher than corresponding operating temperature area
Between the upper limit when, reduce aperture of the second flow regulating valve 5 towards motor 8, heat management system 100 can be made to combine in this way
Temperature at battery 4 and motor 8 can make the temperature of the two be kept at corresponding operating temperature section.
When the temperature of motor 8 is lower than corresponding operating temperature interval limit, for example, the temperature in motor 8 is lower than 30 DEG C
When, the revolving speed of fan 14 is reduced, the radiating efficiency of such radiator 2 is minimized, so as to control the coolant liquid at motor 8
Temperature reduces third stream if three temperature of electric machine controller 6 and motor 8 are higher than the corresponding operating temperature section upper limit
Adjustable valve 7 can make heat management system 100 combine battery 4 and electric machine controller 6 in this way towards the aperture of motor 8
The temperature at place can make the temperature of the two be kept at corresponding operating temperature section.
By above-mentioned integrated heat management system 100 and its corresponding control strategy, hybrid dynamic system can be saved
Cooling system cost maintains running temperature of the hybrid dynamic system under varying environment and operating condition, makes system stable operation.
Vehicle according to an embodiment of the present invention, the heat management system 100 of the vehicle including above-described embodiment.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (12)
1. a kind of heat management system of vehicle characterized by comprising engine, radiator, the first flow tune of series connection
Section valve, battery, second flow regulating valve, electric machine controller, third flow control valve and motor, the motor start with described again
Machine is connected to form circulation, wherein the first flow regulating valve is also connected with the between the second flow regulating valve
One pipeline, so that the first flow adjusts the coolant rate that valve regulation flows to the battery and first pipeline, it is described
It is connected with the second pipeline between second flow regulating valve and the third flow control valve, so that the second flow regulating valve tune
The coolant rate to throttle to the electric machine controller and second pipeline, the third flow control valve and the engine
Between be connected with third pipeline so that the second flow adjusts valve regulation and flows to the cooling of the motor and the third pipeline
Flow quantity.
2. the heat management system of vehicle according to claim 1, which is characterized in that the first flow regulating valve includes two
A first outlet, two first outlets are separately connected the battery and first pipeline；
The second flow regulating valve includes two second outlets, and two second outlets are separately connected the electric machine controller
With second pipeline；
The third flow control valve includes the outlet of two thirds, and two thirds outlets are separately connected the motor and described
Third pipeline.
3. the heat management system of vehicle according to claim 2, which is characterized in that the outlet tube of the battery connects described
On first pipeline, the outlet tube of the electric machine controller is connect on second pipeline, and the outlet tube of the motor connects described
On third pipeline.
4. the heat management system of vehicle according to claim 1, which is characterized in that the inlet tube of the battery, the electricity
The inlet tube of the inlet tube of machine controller and the motor is provided with the check valve unidirectionally flowed into.
5. the heat management system of vehicle according to claim 1, which is characterized in that the first flow regulating valve, described
Second flow regulating valve and the third flow control valve are thermostat or the adjustable three-way electrovalve door of valve.
6. the heat management system of vehicle according to claim 1, which is characterized in that further include: fan, the fan setting
At the radiator.
7. the heat management system of vehicle according to claim 6, which is characterized in that further include: entire car controller, the electricity
Pond, the electric machine controller, the motor, the first flow regulating valve, the second flow regulating valve, the third flow
Regulating valve and the fan are connect with the entire car controller signal.
8. according to claim 1 in -7 the heat management system of vehicle described in Arbitrary Term control method, which is characterized in that including
Following steps:
S1, the temperature for knowing the battery, the electric machine controller and the motor, and temperature and respective work temperature will be obtained
Degree section is compared, and judges current thermic load state；
S2, the battery, the electric machine controller and the motor the temperature of any one not at operating temperature section,
At least one of the first flow regulating valve, the second flow regulating valve and described third flow control valve are adjusted, is changed
Become coolant liquid supply, so that temperature is back to operating temperature section.
9. the control method of the heat management system of vehicle according to claim 8, which is characterized in that the heat management system
It include: fan；
In the step S1, judge the heat management system for heated condition；
In the step S2, when the temperature of the battery is lower than corresponding operating temperature interval limit and also less than 15 DEG C,
The first flow regulating valve closes the fan towards the aperture regulation of the battery to maximum.
10. the control method of the heat management system of vehicle according to claim 9, which is characterized in that further include:
S3, after the temperature of the battery is increased above 20 DEG C, adjust and described first flow to regulating valve towards the battery
Aperture, and the fan is opened, the temperature of the battery maintains in operating temperature section.
11. the control method of the heat management system of vehicle according to claim 8, which is characterized in that the heat management system
System includes: fan；
In the step S1, judge the heat management system for the state of cooling；
In the step S2,
When the temperature of the battery is higher than the operating temperature section upper limit, increase the first flow regulating valve towards the battery
Aperture, and after the temperature of the battery is not back to operating temperature section yet in the given time, increase the revolving speed of the fan,
Battery is set to be back to operating temperature section；
When the temperature of the electric machine controller is higher than the operating temperature section upper limit, increase the second flow regulating valve towards institute
The aperture of electric machine controller is stated, and after the temperature of the electric machine controller is not back to operating temperature section yet in the given time,
The revolving speed for increasing the fan makes electric machine controller be back to operating temperature section；
When the temperature of the motor is higher than the operating temperature section upper limit, increase the third flow control valve towards the motor
Aperture, and after the temperature of the motor is not back to operating temperature section yet in the given time, increase the revolving speed of the fan,
Motor is set to be back to operating temperature section；
When the temperature of the battery is lower than corresponding operating temperature interval limit, the revolving speed of the fan is reduced, if described
When one temperature of electric machine controller and the motor is higher than the corresponding operating temperature section upper limit, reduce the first flow tune
Save aperture of the valve towards the motor；
When the temperature of the electric machine controller is lower than corresponding operating temperature interval limit, the revolving speed of the fan is reduced, such as
When two temperature of electric machine controller described in fruit and the motor are higher than the corresponding operating temperature section upper limit, reduce described second
Aperture of the flow control valve towards the motor；
When the temperature of the motor is lower than corresponding operating temperature interval limit, the revolving speed of the fan is reduced, if described
When three temperature of electric machine controller and the motor are higher than the corresponding operating temperature section upper limit, reduce the third flow tune
Save aperture of the valve towards the motor.
12. a kind of vehicle, which is characterized in that the heat management system including vehicle described in Arbitrary Term in claim 1-7.
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| CN113022283A (en) * | 2019-12-24 | 2021-06-25 | 北汽福田汽车股份有限公司 | Heat dissipation device, control method thereof, medium, equipment and vehicle |
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