CN110281763A - The heat management system and hybrid vehicle of hybrid vehicle - Google Patents
The heat management system and hybrid vehicle of hybrid vehicle Download PDFInfo
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- CN110281763A CN110281763A CN201910620397.7A CN201910620397A CN110281763A CN 110281763 A CN110281763 A CN 110281763A CN 201910620397 A CN201910620397 A CN 201910620397A CN 110281763 A CN110281763 A CN 110281763A
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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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- 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
- 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
-
- 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
- B60K2001/008—Arrangement or mounting of electrical propulsion units with means for heating the electrical propulsion units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention provides a kind of heat management system of hybrid vehicle and hybrid vehicle, heat management system includes: the engine water circulatory system, the heat that the engine for absorbing vehicle generates；Motor transmission module oil cooling cyclic system is connected to the engine water circulatory system, with the oil liquid in the motor transmission module oil cooling cyclic system as described in the engine water circulation system；Motor cooling recirculation system is connected to the motor transmission module oil cooling cyclic system, and the motor cooling recirculation system is used to control the height of the temperature of the oil liquid in the motor transmission module oil cooling cyclic system.The heat management system of hybrid vehicle of the invention, the oil liquid in motor transmission module oil cooling cyclic system is heated by the engine water circulatory system, oil liquid temperature is increased, reduces the viscosity of oil liquid, the frictional work for reducing motor transmission module oil cooling cyclic system, to reduce complete-vehicle oil consumption.
Description
Technical field
The present invention relates to technical field of vehicle, heat management system more particularly to a kind of hybrid vehicle and have should
The hybrid vehicle of heat management system.
Background technique
Currently, using generator, driving motor and speed change mould group integrated for relying on extended-range hybrid vehicle
REDS (motor transmission module) assembly for changing design constitutes distance increasing unit module in conjunction with engine, and REDS system uses
The integrated cold design of carburetion, high degree improve power density, are conducive to the reduction of the arrangement and cost of distance increasing unit.
But under cryogenic using the REDS system of the cold design of integrated carburetion, since oil temperature is low, lead to REDS
System friction function is high, to increase complete-vehicle oil consumption.
Summary of the invention
It is an object of the present invention to solve in the prior art using the REDS system of the integrated cold design of carburetion in low temperature
Under the conditions of, since oil temperature is low, cause REDS system friction function high, thus the problem of increasing complete-vehicle oil consumption.
Particularly, the present invention provides a kind of heat management systems of hybrid vehicle, comprising:
The engine water circulatory system, the heat that the engine for absorbing vehicle generates；
Motor transmission module oil cooling cyclic system is connected to, by the engine with the engine water circulatory system
Water circulation system heats the oil liquid in the motor transmission module oil cooling cyclic system；
Motor cooling recirculation system is connected to the motor transmission module oil cooling cyclic system, and the motor cooling follows
Loop system is used to control the height of the temperature of the oil liquid in the motor transmission module oil cooling cyclic system.
Further, the engine water circulatory system further include:
First temperature sensor is located at the engine water outlet of the engine, to detect the engine water circulation
Water temperature in system；
Heat cycles control valve is connected with the water outlet of the engine；
Heat exchange module, comprising: the first water inlet and the first water outlet, first water inlet and the heat cycles control
Valve connection, first water outlet are connected to the engine water inlet of the engine, the engine, the heat cycles control
Valve processed and the heat exchange module form engine water circulation loop.
Further, the heat exchange module further include: oil inlet and oil outlet, the motor transmission module oil SAPMAC method
System includes:
Motor transmission module, one end are connected to the oil inlet, and the other end is connected to the oil outlet, and the motor becomes
Oil circulation circuit, the water circulation are formed between fast device module and the oil inlet and the oil outlet of the heat exchange module
Circuit transfers heat to the oil circulation circuit in the heat exchange module；
Second temperature sensor is located at the oil outlet to detect the temperature of oil circulation circuit inner fluid, institute
It states second temperature sensor to be electrically connected with the heat cycles control valve, the heat cycles control valve is passed in the second temperature
The temperature value that sensor measures is measured lower than the first setting value of the heat cycles control valve and first temperature sensor
When temperature value, the heat cycles control valve is opened so that the engine water circulation loop is connected, and is followed by motor cooling
Loop system controls the temperature of the oil liquid in the oil circulation circuit；The heat cycles control valve is sensed in the second temperature
The temperature that the temperature value that device measures is lower than the second setting value and measures higher than first setting value and first temperature sensor
When angle value, the heat cycles control valve is closed to be closed the engine water circulation loop.
Further, the heat exchange module includes:
Heating heat exchanger, first water inlet, first water outlet and the oil inlet are located at the heating heat exchange
On device, first water inlet and described first of the engine, the heat cycles control valve and the heating heat exchanger
Engine water circulation loop is formed between water outlet；
Cooling heat exchanger, the oil outlet are located on the cooling heat exchanger, and the cooling heat exchanger is changed with the heating
Hot device is connected by oil diverting port, the motor transmission module and oil inlet, the oil diverting port and fuel-displaced on the heat exchange module
The oil circulation circuit is formed between mouthful.
Further, the motor cooling recirculation system includes:
Cooling cycle control valve, comprising: valve inlet and valve export, the cooling heat exchanger further include: the second water inlet
Mouth and the second water outlet, the valve inlet are connected with second water outlet；
Water pump, one end are connected with the valve export；
Third temperature sensor is located at the other end of water pump to detect the water temperature in the motor cooling recirculation system；
Electric machine controller, one end are connect with the third temperature sensor, and the other end is connected to second water inlet, institute
Electric machine controller is stated for receiving the water temperature of the third temperature sensor detection, and is controlled according to the size of the water temperature value of detection
The size of the aperture of the valve export；It is the cooling cycle control valve, the water pump, the third temperature sensor, described
Cooling cycle is formed between electric machine controller and second water inlet and second water outlet of the cooling heat exchanger to return
Road, with the oil liquid in the cooling oil circulation circuit.
Further, the valve export includes: the first opening and the second opening, first opening and the water pump phase
Connection, the motor cooling recirculation system further include: motor radiator, one end and second open communication, the other end and institute
Water pump connection is stated, the electric machine controller is used to control the switching of first opening and second opening.
Further, the cooling circuit includes:
First circulation circuit, the first opening of the cooling cycle control valve, the water pump, the third temperature sensing
Described in being formed between device, the electric machine controller and second water inlet and second water outlet of the cooling heat exchanger
First circulation circuit；
Second circulation circuit, the second opening of the cooling cycle control valve, the motor radiator, the water pump, institute
Second water inlet and described second for stating third temperature sensor, the electric machine controller and the cooling heat exchanger are discharged
The second circulation circuit is formed between mouthful.
Further, the aperture of first opening is less than the aperture of second opening.
The present invention also provides a kind of hybrid vehicle, the heat pipe including hybrid vehicle described in above-described embodiment
Reason system.
The heat management system of hybrid vehicle of the invention is mainly by the engine water circulatory system, motor transmission module
Oil cooling cyclic system and motor cooling recirculation system composition.Wherein, the engine water circulatory system can be absorbed the engine and produce
Raw heat.Water temperature rises to heat in motor transmission module oil cooling cyclic system after the engine water circulatory system absorbs heat
Oil liquid, increase the oil liquid temperature in motor transmission module oil cooling cyclic system, reduce the viscosity of oil liquid, reduce motor and become
The frictional work of fast device module oil cooling cyclic system improves the cycle efficieny of motor transmission module oil cooling cyclic system inner fluid,
To reduce complete-vehicle oil consumption.Motor cooling recirculation system is connected to motor transmission module oil cooling cyclic system, and motor cooling follows
Loop system is used to control the temperature of the oil liquid in motor transmission module oil cooling cyclic system, and it is cold to meet motor transmission module oil
The cooling effect of the circulatory system prevents the oil liquid temperature in motor transmission module oil cooling cyclic system excessively high.It is of the invention as a result,
Hybrid vehicle heat management system, it is at low temperatures, high using engine calorific value, in the engine water circulatory system
Water temperature increases fast feature, is added by the engine water circulatory system to the oil liquid in motor transmission module oil cooling cyclic system
Heat increases the oil liquid temperature in motor transmission module oil cooling cyclic system, reduces the viscosity of oil liquid, reduces motor transmission
The frictional work of module oil cooling cyclic system improves the cycle efficieny of motor transmission module oil cooling cyclic system inner fluid, thus
Reduce complete-vehicle oil consumption.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the structural schematic diagram of the heat management system of hybrid vehicle according to an embodiment of the present invention；
Fig. 2 is the stream of the engine water circulation loop of the heat management system of hybrid vehicle according to an embodiment of the present invention
To schematic diagram；
Fig. 3 is that the flow direction in the oil circulation circuit of the heat management system of hybrid vehicle according to an embodiment of the present invention is shown
It is intended to；
Fig. 4 is that the flow direction of the cooling circuit of the heat management system of hybrid vehicle according to an embodiment of the present invention is shown
It is intended to.
Appended drawing reference:
Heat management system 100；
Engine 11；Engine water inlet 111；Engine water outlet 112；First temperature sensor 12；Heat cycles control
Valve 13 processed；Heat exchange module 14；Heating heat exchanger 141；First water inlet 1411；First water outlet 1412；Oil inlet 1413；It is cooling
Heat exchanger 142；Oil outlet 1421；Oil diverting port 1422；Second water inlet 1423；Second water outlet 1424；
Motor transmission module 21；Second temperature sensor 22；
Cooling cycle control valve 31；First opening 311；Second opening 312；Water pump 32；Third temperature sensor 33；Motor
Controller 34；Motor radiator 35.
Specific embodiment
Referring to Fig. 1, the heat management system 100 of hybrid vehicle of the invention is mainly by the engine water circulatory system, electricity
Machine transmission module oil cooling cyclic system and motor cooling recirculation system composition.Wherein, it is equipped in the engine water circulatory system
Engine 11, the engine water circulatory system are used to absorb the heat of the generation of engine 11, and the engine water circulatory system, which utilizes, starts
11 calorific value of machine is high, makes the water temperature rapid increase in the engine water circulatory system.Motor transmission module oil cooling cyclic system with
The connection of the engine water circulatory system, water temperature rises to heat motor transmission module oil after the engine water circulatory system absorbs heat
Oil liquid in SAPMAC method system increases the oil liquid temperature in motor transmission module oil cooling cyclic system, reduces the glutinous of oil liquid
Degree reduces the frictional work of motor transmission module oil cooling cyclic system, improves oil in motor transmission module oil cooling cyclic system
The cycle efficieny of liquid, to reduce complete-vehicle oil consumption.Motor cooling recirculation system and motor transmission module oil cooling cyclic system connect
Logical, motor cooling recirculation system is used to control the height of the temperature of the oil liquid in motor transmission module oil cooling cyclic system, full
The cooling effect of sufficient motor transmission module oil cooling cyclic system prevents the oil liquid in motor transmission module oil cooling cyclic system
Temperature is excessively high.
The heat management system 100 of hybrid vehicle of the invention as a result, is sent out using engine 11 at low temperatures
Heat is high, and water temperature increases fast feature in the engine water circulatory system, by the engine water circulatory system to motor transmission mould
Oil liquid heating in block oil cooling cyclic system, increases the oil liquid temperature in motor transmission module oil cooling cyclic system, reduces
The viscosity of oil liquid reduces the frictional work of motor transmission module oil cooling cyclic system, improves motor transmission module oil SAPMAC method
The cycle efficieny of system inner fluid, to reduce complete-vehicle oil consumption.
According to one embodiment of present invention, referring to Fig. 1 and Fig. 2, the engine water circulatory system further includes that the first temperature passes
Sensor 12, heat cycles control valve 13 and heat exchange module 14.Wherein, the first temperature sensor 12 is mounted on starting for engine 11
At machine water outlet 112, the first temperature sensor 12 can detect the water temperature in the engine water circulatory system.Heat cycles control valve
13 are connected with engine water outlet 112, and heat cycles control valve 13 can control being turned on and off for engine system.
Heat exchange module 14 includes: the first water inlet 1411 and the first water outlet 1412.Wherein, the first water inlet 1411 and heat cycles control
Valve 13 processed is connected to, and the first water outlet 1412 is connected to the engine water inlet 111 of engine 11, engine 11, heat cycles control
Valve 13 and heat exchange module 14 processed form engine water circulation loop (as shown in arrow direction in Fig. 2).Engine water circulation loop
The heat generated using engine 11, makes the water temperature rapid increase in the engine water circulatory system.And it is recycled in engine water
Motor transmission module oil cooling cyclic system is transferred heat to using heat exchange module 14 in circuit, to motor transmission module oil
Oil liquid heating in SAPMAC method system, reduces the viscosity of oil liquid, reduces the frictional work of motor transmission module oil cooling cyclic system,
The cycle efficieny for improving motor transmission module oil cooling cyclic system inner fluid, to reduce complete-vehicle oil consumption.
According to one embodiment of present invention, referring to Fig. 1 and Fig. 3, heat exchange module 14 further include: oil inlet 1413 and fuel-displaced
Mouth 1421, motor transmission module oil cooling cyclic system is mainly by motor transmission module 21 (REDS), second temperature sensor
22 and heat exchange module 14 form.Wherein, 21 one end of motor transmission module is connected to the oil inlet 1413 of heat exchange module 14, another
End is connected to oil outlet 1421, shape between the oil inlet 1413 and oil outlet 1421 of motor transmission module 21 and heat exchange module 14
At oil circulation circuit (as shown in arrow direction in Fig. 3), oil circulation circuit and engine water circulation loop share heat exchange mould
Block 14.Engine water circulation loop transfers heat to oil circulation circuit in heat exchange module 14, in oil circulation circuit
Oil liquid heating, reduce the viscosity of oil liquid, reduce the frictional work of motor transmission module oil cooling cyclic system, improve electrical motor gearshift
The cycle efficieny of device module oil cooling cyclic system inner fluid, to reduce complete-vehicle oil consumption.
Second temperature sensor 22 is mounted at the oil outlet 1421 of heat exchange module 14, and second temperature sensor 22 is for visiting
Survey the temperature of oil circulation circuit inner fluid.Second temperature sensor 22 is electrically connected with heat cycles control valve 13, heat cycles
Control valve 13 is lower than the first setting value and first of heat cycles control valve 13 in the temperature value that second temperature sensor 22 measures
When the temperature value that temperature sensor 12 measures, heat cycles control valve 13 is opened, and engine water circulation loop is connected, follows to oil liquid
Oil liquid heating in loop back path.The oil liquid temperature in order to prevent in oil circulation circuit increases excessively high simultaneously, cooling by motor
The circulatory system controls the temperature of the oil liquid in oil circulation circuit, meets the cooling effect in oil circulation circuit.Work as heat cycles
Control valve 13 is lower than the second setting value and warm higher than the first setting value and first in the temperature value that second temperature sensor 22 measures
When the temperature value that degree sensor 12 measures, indicate that the oil liquid temperature in oil circulation circuit is excessively high, at this point, heat cycles control valve
13 close, and are closed engine water circulation loop, only by motor cooling recirculation system to motor transmission module oil SAPMAC method
System carries out cooling heat, and guarantees that the oil liquid temperature in motor transmission module oil cooling cyclic system maintains reasonable temperature model
In enclosing.
In certain specific embodiments of the invention, referring to Fig. 1, heat exchange module 14 is mainly by 141 He of heating heat exchanger
Cooling heat exchanger 142 forms.Wherein, the first water inlet 1411, the first water outlet 1412 and the processing of oil inlet 1413 are changed in heating
On hot device 141, engine 11, the first water inlet 1411 of heat cycles control valve 13 and heating heat exchanger 141 and the first water outlet
Engine water circulation loop is formed between mouth 1412.Oil outlet 1421 processes the cooling heat exchanger 142 on cooling heat exchanger 142
It is connected with heating heat exchanger 141 by oil diverting port 1422, the oil inlet in motor transmission module 21 and heat exchange module 14
1413, oil circulation circuit is formed between oil diverting port 1422 and oil outlet 1421.Recirculated water in engine water circulation loop is logical
The importing of engine water inlet 111 is crossed, exports from engine water outlet 112 to heat cycles control valve 13, is then followed by heating
Ring control valve 13 is exported to the first water inlet 1411, is imported engine water inlet 111 finally by the second water inlet 1423, is formed
One engine water circulation loop.Similarly, the oil liquid in motor transmission module oil cooling cyclic system, from motor transmission module
21 export to the oil inlet 1413 of heating heat exchanger 141, then import cooling heat exchanger 142 by oil diverting port 1422, finally from
The oil outlet 1421 of cooling heat exchanger 142 imports motor transmission module 21, forms an oil circulation circuit.In the present invention
In, heating heat exchanger 141 is used to give the heat transfer in engine water circulation loop to oil liquid circulation loop, returns to oil circulation
Oil liquid heating in road, reduces the viscosity of oil liquid, reduces the frictional work of motor transmission module oil cooling cyclic system, improve motor
The cycle efficieny of transmission module oil cooling cyclic system inner fluid, to reduce complete-vehicle oil consumption and discharge.Motor cooling cycle system
System cools down the oil liquid in oil circulation circuit by cooling heat exchanger 142, prevents the oil liquid temperature in oil circulation circuit
Spend height.
According to one embodiment of present invention, referring to Fig. 1 and Fig. 4, motor cooling recirculation system is mainly by cooling cycle control
Valve 31, water pump 32, third temperature sensor 33, cooling heat exchanger 142 and electric machine controller 34 processed form.Wherein, cooling cycle
Control valve 31 includes: valve inlet and valve export, cooling heat exchanger 142 further include: the second water inlet 1423 and the second water outlet
Mouth 1424, valve inlet is connected with the second water outlet 1424.One end of water pump 32 is connected with valve export.Third temperature passes
Sensor 33 is mounted on the other end of water pump 32, and third temperature sensor 33 is used to detect the water temperature in motor cooling recirculation system.
One end of electric machine controller 34 is connect with third temperature sensor 33, the other end of electric machine controller 34 and the second water inlet 1423
Connection, electric machine controller 34 are used to receive the water temperature of the detection of third temperature sensor 33, and electric machine controller 34 can be according to detection
Water temperature value size control valve outlet aperture size.Cooling cycle control valve 31, water pump 32, third temperature sensor
33, cooling is formed between electric machine controller 34 and the second water inlet 1423 and the second water outlet 1424 of cooling heat exchanger 142 to follow
Loop back path (as shown in arrow direction in Fig. 4) prevents the oil in oil circulation circuit with the oil liquid in cooling oil circulation loop
Liquid temperature is excessively high.
According to one embodiment of present invention, referring to Fig. 1, valve export includes: the first opening 311 and the second opening 312.
Wherein, the first opening 311 is connected with water pump 32, motor cooling recirculation system further include: motor radiator 35.Motor radiator
35 one end is connected to the second opening 312, and the other end of motor radiator 35 is connected to water pump 32, and electric machine controller 34 is for controlling
The switching of system the first opening 311 and the second opening 312.When the water temperature in the cooling circuit that electric machine controller 34 detects is higher than
When setting value, electric machine controller 34 controls 312 switching of the first opening 311 and the second opening in cooling cycle control valve 31, makes electricity
Machine radiator 35 works, and increases the heat dissipation effect of motor cooling recirculation system.
According to a preferred embodiment of the present invention, referring to fig. 4, cooling circuit includes first circulation circuit and second
Circulation loop.Wherein, the first opening 311, water pump 32, third temperature sensor 33, motor control of cooling cycle control valve 31
First circulation circuit is formed between device 34 and the second water inlet 1423 and the second water outlet 1424 of cooling heat exchanger 142.It is cooling
Circulation control valve 31 second opening 312, motor radiator 35, water pump 32, third temperature sensor 33, electric machine controller 34 with
Second circulation circuit is formed between the second water inlet 1423 and the second water outlet 1424 of cooling heat exchanger 142.Preferably, first
Aperture of the aperture of opening 311 less than the second opening 312, that is to say, that the flow in first circulation circuit is returned less than second circulation
The flow on road, when the third temperature sensor 33 in motor cooling recirculation system detects water temperature setting higher than electric machine controller 34
When definite value, electric machine controller 34 controls cooling cycle control valve 31 and switches to the second opening 312 by the first opening 311, makes to cool down
First circulation circuit closed in circulation loop, second circulation circuit conducting, enhances the cooling effect of motor cooling recirculation system,
Prevent the oil liquid temperature in oil circulation circuit excessively high.
Specifically, when the heat management system 100 of hybrid vehicle of the invention works, at low temperatures, work as hair
The first temperature sensor 12 in motivation water-flow circuit detects water temperature T e >=40 DEG C, and second temperature passes in oil circulation circuit
When sensor 22 detects oil liquid temperature Tm≤Te and Tm≤60 DEG C, heat cycles control valve 13 is opened, and engine water recycles and adds
Heat exchanger 141 works, and heats the oil liquid in motor transmission module oil cooling cyclic system.Simultaneously, motor cooling cycle
First opening of the control of cooling cycle control valve 31 311 in system is opened, first circulation loop works, when third temperature sensor
33 continue working when detecting 20 DEG C of water temperature T m >, and cooling cycle control valve 31 is gradually opened at water temperature T m >=40 DEG C, and
For cooling cycle control valve 31 at m=50 DEG C of water temperature T, cooling cycle control valve 31 switches to the second opening by the first opening 311
312, first circulation circuit is closed, the conducting of second circulation circuit.
Te or oil liquid temperature when oil liquid temperature Tm is greater than aqueous temperature in engine water circulation loop in oil circulation circuit
When spending Tm between 60 DEG C to 90 DEG C, heat cycles control valve 13 is disconnected, and motor transmission module 21 can use self-heating
So that oil temperature rises, at this point, engine 11 preferentially guarantees own temperature.
When oil liquid temperature Tm is at 90 DEG C to 110 DEG C in oil circulation circuit, the flow of water pump 32, which is in, designs maximum shape
State operating, guarantees the cooling effect of motor cooling recirculation system.
To sum up, the heat management system 100 of hybrid vehicle of the invention utilizes engine at low temperatures
11 calorific values are high, and water temperature increases fast feature in the engine water circulatory system, by the engine water circulatory system to electrical motor gearshift
Oil liquid heating in device module oil cooling cyclic system, increases the oil liquid temperature in motor transmission module oil cooling cyclic system,
The viscosity of oil liquid is reduced, the frictional work of motor transmission module oil cooling cyclic system is reduced, it is cold to improve motor transmission module oil
The cycle efficieny of circulatory system inner fluid, to reduce complete-vehicle oil consumption and discharge.Motor cooling recirculation system is for controlling simultaneously
The temperature of oil liquid in motor transmission module oil cooling cyclic system, meets the cooling of motor transmission module oil cooling cyclic system
Effect prevents the oil liquid temperature in motor transmission module oil cooling cyclic system excessively high.
Also a kind of hybrid vehicle of the present invention, the heat management system including the hybrid vehicle in above-described embodiment
100.Since the heat management system 100 of hybrid vehicle according to the present invention has above-mentioned technique effect, it is of the invention
Hybrid vehicle also has a corresponding technical effect, i.e., vehicle of the invention, by using above-mentioned heat management system 100,
High using 11 calorific value of engine under low temperature condition, water temperature increases fast feature in the engine water circulatory system, passes through engine
Water circulation system heats the oil liquid in motor transmission module oil cooling cyclic system, makes motor transmission module oil SAPMAC method system
Oil liquid temperature in system increases, and reduces the viscosity of oil liquid, reduces the frictional work of motor transmission module oil cooling cyclic system, improves
The cycle efficieny of motor transmission module oil cooling cyclic system inner fluid, to reduce complete-vehicle oil consumption and discharge.Motor is cold simultaneously
But the circulatory system is used to control the temperature of the oil liquid in motor transmission module oil cooling cyclic system, meets motor transmission module
The cooling effect of oil cooling cyclic system prevents the oil liquid temperature in motor transmission module oil cooling cyclic system excessively high.
The other structures of hybrid vehicle according to an embodiment of the present invention and operation are to those skilled in the art
All it is to be understood that and easy to accomplish, therefore is not described in detail.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (9)
1. a kind of heat management system of hybrid vehicle characterized by comprising
The engine water circulatory system, the heat that the engine for absorbing vehicle generates；
Motor transmission module oil cooling cyclic system is connected to the engine water circulatory system, to be followed by the engine water
Loop system heats the oil liquid in the motor transmission module oil cooling cyclic system；
Motor cooling recirculation system is connected to the motor transmission module oil cooling cyclic system, motor cooling cycle system
The height united for controlling the temperature of the oil liquid in the motor transmission module oil cooling cyclic system.
2. the heat management system of hybrid vehicle according to claim 1, which is characterized in that the engine water circulation
System further include:
First temperature sensor is located at the engine water outlet of the engine, to detect the engine water circulatory system
Interior water temperature；
Heat cycles control valve is connected with the water outlet of the engine；
Heat exchange module, comprising: the first water inlet and the first water outlet, first water inlet and the heat cycles control valve connect
Logical, first water outlet is connected to the engine water inlet of the engine, the engine, the heat cycles control valve
Engine water circulation loop is formed with the heat exchange module.
3. the heat management system of hybrid vehicle according to claim 2, which is characterized in that the heat exchange module also wraps
Include: oil inlet and oil outlet, the motor transmission module oil cooling cyclic system include:
Motor transmission module, one end are connected to the oil inlet, and the other end is connected to the oil outlet, the motor transmission
Oil circulation circuit, the water-flow circuit are formed between module and the oil inlet and the oil outlet of the heat exchange module
The oil circulation circuit is transferred heat in the heat exchange module；
Second temperature sensor, is located at the oil outlet to detect the temperature of oil circulation circuit inner fluid, and described
Two temperature sensors are electrically connected with the heat cycles control valve, and the heat cycles control valve is in the second temperature sensor
The temperature value measured is lower than the temperature that the first setting value of the heat cycles control valve and first temperature sensor measure
When value, the heat cycles control valve is opened so that the engine water circulation loop is connected, and by motor cooling cycle system
System controls the temperature of the oil liquid in the oil circulation circuit；The heat cycles control valve is surveyed in the second temperature sensor
The temperature value that the temperature value obtained is lower than the second setting value and measures higher than first setting value and first temperature sensor
When, the heat cycles control valve is closed to be closed the engine water circulation loop.
4. the heat management system of hybrid vehicle according to claim 3, which is characterized in that the heat exchange module packet
It includes:
Heating heat exchanger, first water inlet, first water outlet and the oil inlet are located on the heating heat exchanger,
First water inlet and first water outlet of the engine, the heat cycles control valve and the heating heat exchanger
Between formed engine water circulation loop；
Cooling heat exchanger, the oil outlet are located on the cooling heat exchanger, the cooling heat exchanger and the heating heat exchanger
Be connected by oil diverting port, oil inlet, oil diverting port and the oil outlet on the motor transmission module and the heat exchange module it
Between form the oil circulation circuit.
5. the heat management system of hybrid vehicle according to claim 2, which is characterized in that the motor cooling cycle
System includes:
Cooling cycle control valve, comprising: valve inlet and valve export, the cooling heat exchanger further include: the second water inlet and
Second water outlet, the valve inlet are connected with second water outlet；
Water pump, one end are connected with the valve export；
Third temperature sensor is located at the other end of water pump to detect the water temperature in the motor cooling recirculation system；
Electric machine controller, one end are connect with the third temperature sensor, and the other end is connected to second water inlet, the electricity
Machine controller is used to receive the water temperature of the third temperature sensor detection, and according to the control of the size of the water temperature value of detection
The size of the aperture of valve export；The cooling cycle control valve, the water pump, the third temperature sensor, the motor
Cooling circuit is formed between controller and second water inlet and second water outlet of the cooling heat exchanger, with
Oil liquid in the cooling oil circulation circuit.
6. the heat management system of hybrid vehicle according to claim 5, which is characterized in that
The valve export includes: the first opening and the second opening, and first opening is connected with the water pump, the motor
Cooling recirculation system further include: motor radiator, one end and second open communication, the other end are connected to the water pump, institute
Electric machine controller is stated for controlling the switching of first opening and second opening.
7. the heat management system of hybrid vehicle according to claim 6, which is characterized in that the cooling circuit
Include:
First circulation circuit, the first opening of the cooling cycle control valve, the water pump, the third temperature sensor, institute
It states and forms described first between electric machine controller and second water inlet and second water outlet of the cooling heat exchanger
Circulation loop；
Second circulation circuit, the second opening of the cooling cycle control valve, the motor radiator, the water pump, described
Three-temperature sensor, second water inlet of the electric machine controller and the cooling heat exchanger and second water outlet it
Between form the second circulation circuit.
8. the heat management system of hybrid vehicle according to claim 6, which is characterized in that
The aperture of first opening is less than the aperture of second opening.
9. a kind of hybrid vehicle, which is characterized in that including hybrid vehicle of any of claims 1-8
Heat management system.
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| CN110281763B (en) | 2020-11-13 |
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