CN106956586B - Hybrid vehicle coupling mechanism cooling and lubricating device and its control method - Google Patents
Hybrid vehicle coupling mechanism cooling and lubricating device and its control method Download PDFInfo
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- CN106956586B CN106956586B CN201610015470.4A CN201610015470A CN106956586B CN 106956586 B CN106956586 B CN 106956586B CN 201610015470 A CN201610015470 A CN 201610015470A CN 106956586 B CN106956586 B CN 106956586B
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R17/00—Arrangements or adaptations of lubricating systems or devices
- B60R17/02—Systems, e.g. central lubrication systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/08—Electric propulsion units
- B60W2510/081—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The present invention relates to automotive field, a kind of hybrid vehicle coupling mechanism cooling and lubricating device and its control method are disclosed, the control method is the following steps are included: receive the operating mode of coupling mechanism；When coupling mechanism is in electric-only mode, electronic air pump inoperative, driving motor drives mechanical pump operating to carry out cooling and lubricating to driving motor；When coupling mechanism, which is in, increases journey mode or hybrid mode, electrodynamic pump operating carries out cooling and lubricating to generator and clutch, while driving motor driving mechanical pump operating is to carry out cooling and lubricating to driving motor.The present invention integrates the cooling and lubrication of coupling mechanism, the bulk of system can be reduced and mitigate the weight of system unit, the system power source cooling as oil lubrication using mechanical pump and electrodynamic pump, it can be switched over according to the operating mode of coupling mechanism, save development cost, reduce control difficulty.
Description
Technical field
The present invention relates to automotive field, more particularly to a kind of hybrid vehicle coupling mechanism cooling and lubricating device and its
Control method.
Background technique
With the raising of the shortage and people's environmental consciousness of petroleum resources, and the legislations of environmental protection that is increasingly stringenter
It is required that there is an urgent need to can save the environmentally protective automobile product of the energy and low emission even zero-emission.For this purpose, countries in the world political affairs
Mansion and major automobile manufacture commercial city are going into overdrive to develop various types of new-energy automobile.With traditional combustion engine phase
Than hybrid vehicle refers to the vehicle using two or more energy sources.
Cooling and lubricating device is one of major technique of whole system as one of auxiliary system, while being also entire system
The key of system stable operation.From the point of view of the mature hybrid electric vehicle launched on existing market, the Prius of Japanese Toyota Company
The double-motor parallel-serial drive system of use, the system will comprehensively consider power transmission performance index, also realize structure and function
On it is integrated, accomplish miniaturization, lightweight, intelligence and modularization, using oil lubrication correlation zero inside the system casing
Cooling jacket is set on component and shell, progress whole system cooling is recycled by cooling water.What the BYD F3DM of China was used
It is also dual-motor drive system, the system configuration is relatively simple compared with Prius system, while using similar Prius lubrication
Method is lubricated and cools down to whole system.The shell of this lubricating and cooling system needs increasingly complex technique and manufacture to want
It asks, production efficiency is caused to reduce, increase cost, while also increasing the size of whole system, therefore, it is necessary to be further improved.
Coupling mechanism has there are two types of operating mode, first is that electric-only mode, second is that increasing journey mode or hybrid mode, no
The oil liquid and flow of cooling oil required by same operating mode are different, and the cooling and lubricating device having at present uses electrodynamic pump or machine
Tool pump is used as power source, regardless of which kind of operating mode coupling mechanism is in, is all carried out using same power source to coupling mechanism
Cooling and lubricating, thereby results in that system control difficulty is big, higher cost.
Summary of the invention
The object of the present invention is to provide a kind of hybrid power vapour that can switch power source according to the operating mode of coupling mechanism
Vehicle coupling mechanism cooling and lubricating device and its control method, to reduce existing hybrid vehicle coupling mechanism cooling and lubricating device
Control difficulty with regard to cost.
To achieve the goals above, the present invention provides a kind of hybrid vehicle coupling mechanism cooling and lubricating device, described
Coupling mechanism includes generator, driving motor and coupling mechanism controller, and the input shaft of the generator and engine coaxially connects
Connect, be equipped with clutch between the generator and engine, the output shaft of the driving motor by transmission device and it is described from
Clutch connection, the coupling mechanism controller are connect with the generator, driving motor and clutch, the cooling and lubricating device
Include:
Electrodynamic pump, the electrodynamic pump individually control operating；
The output axis connection of mechanical pump, the mechanical pump and driving motor, and as driving motor operates；
First cooling oil channel, connect with the electrodynamic pump, for cooling oil to be delivered to generator and clutch simultaneously
Cooling and lubricating is carried out to generator and clutch；
Second cooling oil channel, connect with the mechanical pump, for cooling oil to be delivered to driving motor and to driving
Motor carries out cooling and lubricating.
Preferably, the internal cooling and lubricating device further includes hydraulic module, first cooling oil channel and
Second cooling oil channel is integrated in the hydraulic module, and the hydraulic module is according to the operating mode and coupling machine of coupling mechanism
Temperature inside structure controls the trend of cooling oil and the size of flow.
Preferably, the cooling and lubricating device further includes the oil supply mechanism set on the coupling mechanism bottom, institute
Stating oil supply mechanism includes oil sump and suction filter, and the suction filter is set to the oil outlet of the oil sump, the suction filter with
The electrodynamic pump, mechanical pump connection.
Preferably, the cooling and lubricating device further includes the oil cooling system outside the coupling mechanism,
The oil cooling system is for cooling down cooling oil and cooling oil after cooling being delivered to first cooling oil channel and second
Cooling oil channel；
The oil cooling system includes oil cooler and first switch；The oil cooler passes through the first pipeline and the electricity
Dynamic pump, mechanical pump connection, the oil cooler are connected by the second pipeline and first cooling oil channel, the second cooling oil channel
It connects；
The first switch is set on first pipeline and the second pipeline, for detecting the temperature of cooling oil, and according to
The temperature of cooling oil come realize the first pipeline and the second pipeline on-off control.
Preferably, the cooling and lubricating device further includes third pipeline, the 4th pipeline and the 5th pipeline；
It connects after 4th pipeline and the 5th pipeline are in parallel with the third pipeline, the first pipeline, the third pipeline
The other end be oil inlet, the other end of first pipeline connect with the oil cooler；
The electrodynamic pump and the 4th piping connection, the mechanical pump and the 5th piping connection.
Preferably, the cooling and lubricating device further includes the 6th pipeline, one end of the 6th pipeline with it is described
The oil outlet connection of 4th pipeline, the 5th pipeline, the other end of the 6th pipeline is connect with the clutch, for being described
The movement of the piston of clutch provides oil pressure；
6th pipeline is equipped with second switch, and the second switch is used to control the on-off and trend of the 6th pipeline.
Preferably, first pipeline is switched equipped with third, and the third switch is for controlling the first pipeline
Oil pressure size；The third switch is connected with the oil return pipe of extra cold oil return.
Preferably, the mechanical pump passes through the output axis connection of second gear pair and the driving motor.
Preferably, the coupling mechanism further includes differential mechanism, and the output shaft of the driving motor passes through the biography
Dynamic device is connect with the differential mechanism, and the transmission device includes jackshaft, third gear pair and the 4th gear pair, the driving
The output shaft of motor passes through the 4th gear pair and the differential by third gear pair and the intermediate axis connection, the jackshaft
Device connection；
The mechanical pump passes through second gear pair and the intermediate axis connection.
In order to realize identical purpose, it is cooling based on above-mentioned hybrid vehicle coupling mechanism that the present invention also provides a kind of
The control method of lubricating arrangement comprising following steps:
Receive the work order for the coupling mechanism that coupling mechanism controller issues；
When coupling mechanism is in electric-only mode, electronic air pump inoperative controls clutch by coupling mechanism controller
Separation, engine and generator stop working, and driving motor drives mechanical pump operating to carry out cooling and lubricating to driving motor；
When coupling mechanism, which is in, increases journey mode, clutch separation, electrodynamic pump operating are controlled by coupling mechanism controller
Cooling and lubricating is carried out to generator, while driving motor driving mechanical pump operating is to carry out cooling and lubricating to the driving motor；
When coupling mechanism is in hybrid mode, clutch engagement, electrodynamic pump are controlled by coupling mechanism controller
Operating carries out cooling and lubricating to generator and clutch, at the same driving motor driving mechanical pump operating with to the driving motor into
Row cooling and lubricating.
Preferably, it further comprises the steps of:
Judge the oil pressure size of cooling oil；
When the oil pressure of cooling oil is higher than preset value, control second switch is opened, by extra cold oil return to confession
Oil system；
When the oil pressure of cooling oil is lower than preset value, control second switch is closed, and cooling oil is delivered to coupling mechanism
It is internal.
Preferably, it further comprises the steps of:
When coupling mechanism, which is in, increases journey mode or hybrid mode, cooling oil is obtained by coupling mechanism controller
Temperature and the current speed of automobile, and the motor speed of electrodynamic pump is adjusted according to the variation of the temperature and speed of cooling oil
Section.
A kind of hybrid vehicle coupling mechanism cooling and lubricating device provided by the present invention and its control method, collection coupling
The cooling of mechanism and lubrication are integrated, and integrated level is high, can be reduced the bulk of system and be mitigated the weight of system unit, be
System uses the power source of mechanical pump and electrodynamic pump as oil liquid cooling and lubricating, can be cut according to the operating mode of coupling mechanism
It changes, saves development cost, reduces control difficulty；The cooling and lubricating that mechanical pump can satisfy driving motor under electric-only mode is wanted
It asks, the running speed of mechanical pump is adjusted according to the running speed of driving motor, does not need individually to control mechanical pump, can
Exploitation is saved at and under extended-range or hybrid mode, enough hydraulic and flow, which can be improved, in electrodynamic pump comes to power generation
Machine and clutch carry out cooling and lubricating；Further, it is also possible to which the cooling profit of different operating conditions can be met by the revolving speed for adjusting electrodynamic pump
Sliding demand.
Detailed description of the invention
Fig. 1 is the hydraulic scheme of one hybrid vehicle coupling mechanism cooling and lubricating device of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the coupling mechanism of the embodiment of the present invention one；
Fig. 3 is the hydraulic scheme of two hybrid vehicle coupling mechanism cooling and lubricating device of the embodiment of the present invention；
Fig. 4 is the work flow diagram of the control method of hybrid power coupling mechanism cooling and lubricating device of the present invention.
Wherein: 1, engine；2, the input shaft of engine；3, electrodynamic pump driving gear；4, electrodynamic pump driven gear；5, electric
The input shaft of dynamic pump；6, electrodynamic pump；7, clutch；8, first gear；9, generator；10, second gear；11, jackshaft；12,
Third gear；13, driving motor；14, the output shaft of driving motor；15, mechanical pump driving gear；16, mechanical pump driven gear；
17, the input shaft of mechanical pump；18, mechanical pump；19, the 4th gear；20, the 5th gear；21, differential mechanism；22, the first driving half
Axis；23, the second jack shaft；24, oil sump；25, suction filter；26, third pipeline；27, the 4th pipeline；28, the 5th pipeline；
29, the 6th pipeline；30, cooler；31, the first pipeline；32, the second pipeline；33, first switch；35, second switch；34, third
Switch；36, the oil pocket of clutch；37, oil return pipe；38, hydraulic module；39, the first branch in the first cooling oil channel；40,
The second branch in one cooling oil channel；41, the second cooling oil channel；42, generator spray bar；43, clutch spray bar；44,
Driving motor spray bar.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
One embodiment of hybrid vehicle coupling mechanism cooling and lubricating device
As depicted in figs. 1 and 2, a kind of hybrid vehicle coupling mechanism cooling and lubricating dress provided by the embodiment of the present invention
Set, wherein coupling mechanism includes generator 9, driving motor 13, differential mechanism 21 and coupling mechanism controller, generator 9 with start
The input shaft 2 of machine is coaxially connected, between engine 1 and generator 9 be equipped with clutch 7, driving motor 13 by transmission device with
Clutch 7 and differential mechanism 21 connect, and generator 9, driving motor 13, differential mechanism 21 and clutch 7 are controlled with coupling mechanism
Device connection, and controlled by coupling mechanism controller；Clutch 7 can realize driving motor 13 and the engagement of engine 1 or separate；
When engaging clutch 7, driving motor 13, engine 1 and generator 9 are worked at the same time, and coupling mechanism is in hybrid mode
Or increase journey mode；When separating clutch 7, engine 1 and generator 9 do not work, and only driving motor 13 works, and are in pure electricity
Dynamic model formula.
Transmission device include first gear 8, second gear 10, third gear 12, the 4th gear 19, the 5th gear 20 and in
Between axis 11, wherein first gear 8 be set to engine 1 output shaft on, first gear 8 is meshed with second gear 10, third tooth
Wheel 12 is set on the output shaft 14 of driving motor, and third gear 12 is meshed with second gear 10, second gear 10 and the 4th tooth
Wheel 19 is respectively arranged on the both ends of jackshaft 11, and the 4th gear 19 is meshed with the 5th gear 20, the 5th gear 20 and differential mechanism 21
Connection, differential mechanism 21 are connect with the first jack shaft 22, and the 5th gear 20 is set on the second jack shaft 23, wherein the second tooth
Wheel 10 and third gear 12 are set as second gear pair, and the 4th gear 19 and the 5th gear 20 are set as third gear pair.
Cooling and lubricating device includes electrodynamic pump 6, mechanical pump 18, the first cooling oil channel and the second cooling oil channel 41,
In, electrodynamic pump 6 is set to the outside of coupling mechanism, and mechanical pump 18, the first cooling oil channel and the second cooling oil channel 41 are set to coupling
Close the inside of mechanism.Individually control operating, mechanical pump 18 are connect electrodynamic pump 6 with the output shaft 14 of driving motor, and with driving
Motor 13 operates；First cooling oil channel is connect with electrodynamic pump 6, which includes the first branch and second
Road, wherein the first branch 39 in the first cooling oil channel is used to cooling oil being delivered to generator 9 to moisten generator 9
Sliding, the second branch 40 in the first cooling oil channel is used to for cooling oil being delivered to clutch 7 and carries out cooling profit to clutch 7
Sliding, the second cooling oil channel 41 is mainly to portions such as generator unit stator, generator bearing, clutch friction plate and clutch bearings
Part carries out cooling and lubricating；Second cooling oil channel 41 is connect with mechanical pump 18, for cooling oil to be delivered to driving motor 13 simultaneously
Cooling and lubricating is carried out to driving motor 13, mainly to driving motor stator, driving motor gear pair and driving motor output shaft
The components such as bearing carry out cooling and lubricating.Wherein, the first cooling oil channel and the second cooling oil channel 41 to generator, clutch and
The cooling and lubricating mode of driving motor can be used oil spout, base oil or get rid of the mode of oil to carry out.
The cooling and lubricating device of the present embodiment integrates the cooling and lubrication of coupling mechanism, and integrated level is high, can reduce
The bulk of system and the weight for mitigating system unit, system are cooling as oil lubrication using mechanical pump 18 and electrodynamic pump 6
Power source, can be switched over according to the operating mode of coupling mechanism, save development cost, reduce control difficulty；Mechanical pump
18 can satisfy the cooling and lubricating requirement of driving motor under electric-only mode, and the running speed of mechanical pump 18 is according to driving motor
13 running speed is adjusted, and does not need individually to control mechanical pump 18, can save exploitation at and in extended-range or mixing
Under dynamic mode, electrodynamic pump 6 can be improved enough hydraulic and flow to carry out cooling and lubricating to generator 9 and clutch 7, lead to
The revolving speed for overregulating electrodynamic pump 6 can meet the cooling and lubricating demand of different operating conditions.
In the present embodiment, electrodynamic pump 6 is mounted on the outside of coupling mechanism, and mechanical pump 18 passes through first gear pair and driving
The output shaft 14 of motor connects.Wherein, first gear pair includes that intermeshing mechanical pump driving gear 15 and mechanical pump are driven
Gear 16, mechanical pump driving gear 15 are set on the output shaft 14 of driving motor, and mechanical pump driven gear 16 is set to mechanical pump
On input shaft 17, thus mechanical pump 18 can be transmitted to drive mechanical pump by the driving force of first gear adjutant driving motor 13
18 operatings.
It can be the internal lubricating system fuel feeding of the present embodiment by external oil supply mechanism, internal fuel feeding can also be passed through
Mechanism fuel feeding, it is preferable that in order to which the cooling oil of realization is recycled, the cooling and lubricating device of the present embodiment further includes being set to coupling
The oil supply mechanism of actuator base, the oil supply mechanism are used to be cooling and lubricating device fuel feeding.The oil supply mechanism of the present embodiment can be to appoint
Meaning structure, can be fuel tank, tank structure, it is preferable that the oil supply mechanism of the present embodiment includes oil sump 24 and suction filter 25, is inhaled
Filter 25 is set to the oil outlet of oil sump 24, and suction filter 25 is connect with electrodynamic pump 6, mechanical pump 18.
The cooling and lubricating effect of coupling mechanism is influenced in order to avoid the temperature of cooling oil is excessively high, it is preferable that the present embodiment
Cooling and lubricating device further include external cooling system outside the coupling mechanism, the outside cooling system is for cooling down
Cooling oil after cooling is simultaneously delivered to the first cooling oil channel and the second cooling oil channel 41 and provides cooling oil by oil, to driving
Motor 13, generator 9 and clutch 7 carry out cooling and lubricating, the cooling profit that setting oil cooling system can be convenient as coupling mechanism
It is sliding that cooling oil is provided.
Oil cooling system includes oil supply mechanism, cooler 30 and first switch 33；Oil cooler 30 passes through the first pipeline 31
It is connect with electrodynamic pump 6, mechanical pump 18, cooler 30 is cooling by cooling oil, and cooler 30 is cold by the second pipeline 32 and first
It is cold by the second pipeline 32 to be delivered to first by oily channel and the connection of the second cooling oil channel 41 for cooling oil after cooling
Oily channel and the second cooling oil channel 41；First switch 33 is set on the first pipeline 31 and the second pipeline 32, cold for detecting
Oily temperature, and realize that the on-off of the first pipeline 31 and the second pipeline 32 controls according to the temperature of cooling oil.First switch
33 judge whether cooling oil needs to carry out external cooling, and when the temperature of cooling oil is higher than threshold value, first switch 33 makes opening
The first pipeline 31 and the second pipeline 32 be in channel status, cooling oil first pass through the first pipeline 31 inflow cooler 30 carry out it is cold
But the first cooling oil channel and the second cooling oil channel 41, and by the second pipeline 32 are flowed into, into the inside of coupling mechanism into
Row cooling and lubricating；When the temperature of cooling oil is lower than threshold value, cooling oil is in internal cooling and lubricating device and coupling mechanism
Portion is recycled, when cooling oil is total to the cooling of the structure inside coupling mechanism through the first cooling oil channel and the second cooling oil channel 41
After lubrication, the oil sump 24 that cooling oil flows into coupling mechanism bottom is recycled again.
In order to facilitate control, first switch 33 can be thermostat by-passing valve.The purpose of the present embodiment setting first switch 33
Be: if operating condition is complicated, the power of motor is higher, then it is very big that the motor feels hot, and only cooling is not achieved in the circulation of coolant liquid close to the inner portion
Effect.It is necessary to increase a thermostat by-passing valve thus, as soon as a threshold values is arranged, needs outside cold when oil temperature is higher than threshold values
But coolant liquid is flow back into oil duct again after, cooling related components.Specifically, for example speed is operated with 120KM/h, originally coupling
25 degrees Celsius of mechanism oil temperature of conjunction, and 120 degree of motor temperature, by recycling several times, oil liquid temperature also reaches 100 degrees Celsius, and electric
Machine temperature or 120, then 100 degrees Celsius of coolant liquid cannot well cool down related components.It at this moment just will be cold
But liquid flows out to outside and is cooled to 25 degrees Celsius, then flow back into coupling mechanism, can thus cool down related components.
The inside cooling and lubricating device of the present embodiment further includes third pipeline 26, the 4th pipeline 27 and the 5th pipeline 28；The
It connects after four pipelines 27 and 28 parallel connection of the 5th pipeline with third pipeline 26, the first pipeline 31, the other end of third pipeline 26 and confession
The suction filter 25 of oil machine structure connects, and the other end of the first pipeline 31 is oil inlet, connects cooler 30；Electrodynamic pump 6 and the 4th
Pipeline 27 connects, and cooling oil can be delivered to the first pipeline 31 by the 4th pipeline 27 by driving electrodynamic pump 6；Mechanical pump 18 and the 5th
Pipeline 28 connects, and when starting driving motor 13, mechanical pump 18 is driven, and cooling oil is delivered to the by the 5th pipeline 28
One pipeline 31.
Further, cooling and lubricating device further includes the 6th pipeline 29, one end of the 6th pipeline 29 and the 4th pipeline 27
It is connected with the oil outlet of the 5th pipeline 28, the other end of the 6th pipeline 29 and the oil pocket 36 of clutch connect, for being clutch
The movement of the piston of device provides oil pressure；6th pipeline 29 is equipped with second switch 35, and second switch 35 is for controlling the 6th pipeline
29 on-off and trend, when needing clutch 7 to engage, second switch 35 controls the 6th pipeline 29 and connects, and cooling oil passes through the
Six pipelines 29 provide oil pressure, and control clutch 7 engages；When not needing engagement clutch 7, second switch 35 controls the 6th pipeline
29 disconnect, then cooling oil cannot be introduced into the oil pocket 36 of clutch.
First pipeline 31 is equipped with third switch 34, which is used to control the big of the oil pressure of the first pipeline 31
It is small.In addition, third switch 34 is connect by oil return pipe 37 with the oil sump 24 of oil supply mechanism, it, can be by returning when oil pressure is excessive
Oil pipe 37 will be in the oil sump 24 of extra cold oil return to oil supply mechanism.
Internal cooling and lubricating device further includes hydraulic module 38, the hydraulic module 38 according to the operating mode of coupling mechanism and
Coupling mechanism internal temperature situation controls the trend of cooling oil and the size of flow.Specifically, above-described second is opened
It closes 35, third switch 34, the first cooling oil channel and the second cooling oil channel 41 to be integrated in hydraulic module 38, the hydraulic module
38 can be controlled by coupling mechanism controller, according to the temperature inside the operating condition of entire cooling and lubricating device, coupling mechanism
Situation is spent, to control second switch 35 and third switch 34, and then controls the trend and uninterrupted of cooling oil.Wherein, second
Switch 35 and third switch 34 can be solenoid valve.
Further, internal cooling and lubricating device further includes generator spray bar 42, clutch spray bar 43 and driving electricity
Machine spray bar 44, generator spray bar 42 are connect with the first branch 39 in the first cooling oil channel, for spraying to generator 9
Oily cooling and lubricating；Clutch spray bar 43 is connect with the second branch 40 in the first cooling oil channel, cold for carrying out to clutch 7
But it lubricates, driving motor spray bar 44 is connect with the second cooling oil channel 41, for carrying out Oil injection cooling lubrication to driving motor.
The present embodiment distributes the flow and flow velocity of cooling oil by hydraulic module 38, then passes through spray bar oil spout and gear
Oil or other means is stirred to cool down to the related components of coupling mechanism, does not need to be arranged very on the shell of coupling mechanism
More complicated pipelines, reduce the difficulty of processing of shell；If not using hydraulic module 38 and spray bar, shell increase can be made very
Thus multi-oil-passage will increase processing cost so that structure becomes very complicated.
Second embodiment of hybrid vehicle coupling mechanism cooling and lubricating device
As shown in figure 3, hybrid vehicle coupling mechanism cooling and lubricating device provided by the present embodiment, with embodiment
One difference is only that, wherein electrodynamic pump 6 is also provided at the outside of coupling mechanism, and the mechanical pump 18 of the present embodiment passes through the
One gear pair is connect with jackshaft 11, and specifically, first gear pair includes intermeshing mechanical pump driving gear 15 and machinery
Driven gear 16 is pumped, one end that jackshaft 11 is connect with second gear 10 is extended a distance into the direction of mechanical pump 18 and and machine
Tool pumps driven gear 16 and connects, and mechanical pump driving gear 15 is set on the input shaft 17 of mechanical pump, thus also may be implemented to lead to
The function that the operating of motor 13 of overdriving drives mechanical pump 18 to operate.The other structures of the present embodiment are the same as example 1.
The present invention also provides a kind of control methods of hybrid vehicle coupling mechanism cooling and lubricating device, are used for cold
But the operating mode of lubricating arrangement switches over, wherein cooling and lubricating device includes two kinds of operating modes.
Two kinds of operating mode contrast tables of one cooling and lubricating device of table
The control method of the present embodiment the following steps are included:
S1, the work order for receiving the coupling mechanism that coupling mechanism controller issues；
S2, when coupling mechanism is in electric-only mode, electrodynamic pump 6 does not work, by coupling mechanism controller control from
Clutch separation, engine 1 and generator 9 stop working, driving motor 13 drive the operating of mechanical pump 18 with to driving motor 13 into
Row cooling and lubricating；
S3, when coupling mechanism be in increase journey mode when, pass through coupling mechanism controller control clutch separation, electrodynamic pump fortune
Turn to carry out generator cooling and lubricating, while driving motor driving mechanical pump operating is to carry out cooling and lubricating to driving motor；
S4, when coupling mechanism is in hybrid mode, by coupling mechanism controller control clutch engagement, it is electronic
6 operating of pump carries out cooling and lubricating to generator 9 and clutch 7, while driving motor 13 drives the operating of mechanical pump 18 to driving
Motor carries out cooling and lubricating.
Due to hydraulic module 38 be controlled by coupling mechanism controller, and second switch 35, third switch 34,
First cooling oil channel, the second cooling oil channel 41 and the 6th pipeline 29 are integrated in hydraulic module 38, therefore, in the present embodiment
Control method in, the control of second switch 35 and third switch 34 by coupling mechanism controller.
Specifically, as shown in above-mentioned table one, below it should be noted that second threshold is greater than first threshold, when automobile electricity
When pond electricity is greater than second threshold, coupling mechanism controller controls third switch 34 and opens, so that the 5th pipeline 28 disconnects, clutch
Device 7 separates, and coupling mechanism does not work for electric-only mode, engine 1 with generator 9 at this time, and generator 9 and clutch 7 are equal
Cooling and lubricating is not needed, electrodynamic pump 6 does not need work, and only driving motor 13 works, it is only necessary to cooling driving motor 13, driving
Motor 13 drives mechanical pump 18 to operate and carries out cooling and lubricating to driving motor 13 by the second cooling oil channel 41.
When automobile battery power is less than first threshold and second threshold, coupling mechanism controller coupling mechanism controller control
Third switch 34 processed is opened, so that the 5th pipeline 28 disconnects, clutch 7 is separated, and coupling mechanism, which is in, at this time increases journey mode, is started
The starting of machine 1 drives generator 9 to generate electricity and is not involved in driving, and electrodynamic pump 6 operates and passes through the first branch in the first cooling oil channel
39 pairs of generators 9 carry out cooling and lubricating, while driving motor 13 drives mechanical pump 18 to operate and passes through the second cooling oil channel 41
Cooling and lubricating is carried out to driving motor 13.
When automobile battery power is greater than first threshold and is less than second threshold, third is controlled by coupling mechanism controller
Switch 34 is closed, and the 5th pipeline 28 is connected, so that clutch 7 engages, engine 1 and generator 9 participate in driving, at this time coupling machine
Structure is in hybrid mode, and driving motor 13 drives the work of mechanical pump 18 to carry out cooling and lubricating to driving motor 13, mechanical
Pump 18 is smaller for the hydraulic and flow that the 5th pipeline 28 can be provided, and is not enough to control clutch, starts electrodynamic pump 6 at this time and participates in
Work controls clutch 2 to guarantee enough hydraulic and flow, to meet the hydraulic demand of clutch 7, at this point, generator 9
It works with clutch 7, pass through the first branch 39 in the first cooling oil channel and the first cooling oil channel second of electrodynamic pump 6
Road 40 carries out cooling and lubricating to generator 9 and clutch 7.It is electronic due to being cooled the influence of the temperature and vehicle speed of oil
Pump 6 generate it is hydraulic can generate fluctuation therewith, it is enough and stable hydraulic in order to obtain, it is necessary to according to the temperature of cooling oil and
The motor speed (i.e. power output) of electrodynamic pump 6 is adjusted in the variation of speed, to meet design requirement.
In order to meet the cooling and lubricating demand under coupling mechanism difference operating condition, the control method of the present embodiment further includes step
It is rapid: when coupling mechanism, which is in, increases journey mode or hybrid mode, to obtain the temperature of cooling oil and the speed that automobile is current, lead to
The motor speed of electrodynamic pump 6 is overregulated to meet the cooling and lubricating demand of different operating conditions.Coupling mechanism be in increase journey mode or
Under hybrid mode, when the temperature of cooling oil is higher, and speed is very fast, the motor speed of Ying Tigao electrodynamic pump 6, to be cold
But lubricating arrangement provides enough hydraulic and flow；When the temperature of cooling oil is lower and/or speed is lower, electrodynamic pump 6 is controlled
Motor speed can meet in lesser range cooling and lubricating device hydraulic and flow requirement, thus can reduce into
This.
The control method of the present embodiment further comprises the steps of: the temperature of detection cooling oil；When the temperature of cooling oil is higher than threshold value
When, control first switch is opened, and it is logical to flow into the first cooling oil again after the oil cooling system outside the coupled mechanism of cooling oil is cooling
Road and the second cooling oil channel are with the internal structure progress cooling and lubricating to coupling mechanism；When the temperature of cooling oil is lower than threshold value
When, control first switch is closed, and cooling oil is recycled in the inside of coupling mechanism.Specifically, judged by first switch 33 cold
Oily temperature, when the temperature of cooling oil is higher than threshold value, first switch 33 will be opened so that the first pipeline 31 and the second pipeline
32 are in channel status, and cooling oil flows into cooler 30 by the first pipeline 31 and cooled down, and is flowed by the second pipeline 32
First cooling oil channel and the second cooling oil channel 41, and the inside for entering coupling mechanism carries out cooling and lubricating；When cooling oil
When temperature is lower than threshold value, first switch 33 is closed, and cooling oil is recycled in the inside of coupling mechanism.
The control method of the present embodiment further comprises the steps of:
Judge the oil pressure size of cooling oil；
When the oil pressure of cooling oil is higher than preset value, control second switch is opened, will be extra cold in the first pipeline 31
But oil is back to oil supply system by oil return pipe 37；
When the oil pressure of cooling oil is lower than preset value, control second switch is opened, and it is cooling that cooling oil is all passed through to first
Oily channel and the second cooling oil channel 41 are delivered to the inside of coupling mechanism and carry out cooling follow with the internal structure to coupling mechanism
Ring does not need the reflux of cooling oil.
To sum up, a kind of hybrid vehicle coupling mechanism cooling and lubricating device provided by the present invention and its control method,
It has the advantage that
1, integrate the cooling and lubrication of coupling mechanism, integrated level is high, can reduce the bulk and mitigation of system
The weight of system unit, the system power source cooling as oil lubrication using mechanical pump 18 and electrodynamic pump 6, can save exploitation
Cost reduces control difficulty；
2, in electric-only mode, mechanical pump 18 can satisfy the cooling and lubricating requirement of driving motor, the fortune of mechanical pump 18
Rotary speed is adjusted according to the running speed of driving motor 13, is not needed individually to control mechanical pump 18, can be saved exploitation
At；
3, under extended-range or hybrid mode, enough hydraulic and flow, which can be improved, in electrodynamic pump 6 comes to engine
1, generator 9 and clutch 7 carry out cooling and lubricating, and the revolving speed by adjusting electrodynamic pump 6 can meet the cooling and lubricating of different operating conditions
Demand；
4, this cooling and lubricating device mainly passes through the flow and flow velocity of the distribution cooling oil of hydraulic module 38, then comes to correlation zero
Component is cooled down, and is not needed that many complicated pipelines are arranged on the shell of coupling mechanism, is reduced the difficulty of processing of shell.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (12)
1. a kind of hybrid vehicle coupling mechanism cooling and lubricating device, the coupling mechanism include generator, driving motor and
The input shaft of coupling mechanism controller, the generator and engine is coaxially connected, is equipped between the generator and engine
Clutch, the output shaft of the driving motor are connect by transmission device with the clutch, the coupling mechanism controller and
The generator, driving motor are connected with clutch, which is characterized in that the cooling and lubricating device includes:
Electrodynamic pump, the electrodynamic pump individually control operating；
The output axis connection of mechanical pump, the mechanical pump and driving motor, and as driving motor operates；
First cooling oil channel, connect with the electrodynamic pump, for cooling oil to be delivered to generator and clutch and to hair
Motor and clutch carry out cooling and lubricating；
Second cooling oil channel, connect with the mechanical pump, for cooling oil to be delivered to driving motor and to driving motor
Carry out cooling and lubricating.
2. hybrid vehicle coupling mechanism cooling and lubricating device as described in claim 1, which is characterized in that the cooling profit
Sliding device further includes hydraulic module, and first cooling oil channel and the second cooling oil channel are integrated in the hydraulic module,
The hydraulic module controls the trend and stream of cooling oil according to the temperature inside the operating mode of coupling mechanism and coupling mechanism
The size of amount.
3. hybrid vehicle coupling mechanism cooling and lubricating device as described in claim 1, which is characterized in that the cooling profit
Sliding device further includes the oil supply mechanism set on the coupling mechanism bottom, and the oil supply mechanism includes oil sump and suction filter, institute
The oil outlet that suction filter is set to the oil sump is stated, the suction filter is connect with the electrodynamic pump, mechanical pump.
4. hybrid vehicle coupling mechanism cooling and lubricating device as described in any one of claims 1-3, which is characterized in that institute
Stating cooling and lubricating device further includes the oil cooling system outside the coupling mechanism, and the oil cooling system is cold for cooling down
But oil and cooling oil after cooling is delivered to first cooling oil channel and the second cooling oil channel；
The oil cooling system includes oil cooler and first switch；The oil cooler by the first pipeline with it is described electronic
Pump, mechanical pump connection, the oil cooler are connected by the second pipeline and first cooling oil channel, the second cooling oil channel
It connects；
The first switch is set on first pipeline and the second pipeline, for detecting the temperature of cooling oil, and according to cooling
Oil temperature come realize the first pipeline and the second pipeline on-off control.
5. hybrid vehicle coupling mechanism cooling and lubricating device as claimed in claim 4, which is characterized in that the cooling profit
Sliding device further includes third pipeline, the 4th pipeline and the 5th pipeline；
Connect after 4th pipeline and the 5th pipeline are in parallel with the third pipeline, the first pipeline, the third pipeline it is another
One end is oil inlet, and the other end of first pipeline is connect with the oil cooler；
The electrodynamic pump and the 4th piping connection, the mechanical pump and the 5th piping connection.
6. hybrid vehicle coupling mechanism cooling and lubricating device as claimed in claim 5, which is characterized in that the cooling profit
Sliding device further includes the 6th pipeline, and one end of the 6th pipeline is connect with the oil outlet of the 4th pipeline, the 5th pipeline, institute
The other end for stating the 6th pipeline is connect with the clutch, and the movement for the piston for the clutch provides oil pressure；
6th pipeline is equipped with second switch, and the second switch is used to control the on-off and trend of the 6th pipeline.
7. hybrid vehicle coupling mechanism cooling and lubricating device as claimed in claim 4, which is characterized in that first pipe
Road is equipped with third and switchs, the size of oil pressure of the third switch for controlling the first pipeline；The third switch is connected with
By the oil return pipe of extra cold oil return.
8. hybrid vehicle coupling mechanism cooling and lubricating device as described in any one of claims 1-3, which is characterized in that institute
State the output axis connection that mechanical pump passes through second gear pair and the driving motor.
9. hybrid vehicle coupling mechanism cooling and lubricating device as described in any one of claims 1-3, which is characterized in that institute
Stating coupling mechanism further includes differential mechanism, and the output shaft of the driving motor is connect by the transmission device with the differential mechanism,
The transmission device includes jackshaft, third gear pair and the 4th gear pair, and the output shaft of the driving motor passes through third tooth
Wheel set and the intermediate axis connection, the jackshaft are connect by the 4th gear pair with the differential mechanism；
The mechanical pump passes through second gear pair and the intermediate axis connection.
10. a kind of control based on the described in any item hybrid vehicle coupling mechanism cooling and lubricating devices of claim 1-9
Method, which comprises the following steps:
Receive the work order for the coupling mechanism that coupling mechanism controller issues；
When coupling mechanism is in electric-only mode, electronic air pump inoperative controls clutch separation by coupling mechanism controller,
Engine and generator stop working, and driving motor drives mechanical pump operating to carry out cooling and lubricating to driving motor；
When coupling mechanism, which is in, increases journey mode, clutch separation is controlled by coupling mechanism controller, electrodynamic pump is operated to hair
Motor carries out cooling and lubricating, while driving motor driving mechanical pump operating is to carry out cooling and lubricating to the driving motor；
When coupling mechanism is in hybrid mode, clutch engagement, electrodynamic pump operating are controlled by coupling mechanism controller
Cooling and lubricating is carried out to generator and clutch, while driving motor driving mechanical pump operating is cold to carry out to the driving motor
But it lubricates.
11. the control method of hybrid vehicle coupling mechanism cooling and lubricating device as claimed in claim 10, feature exist
In further comprising the steps of:
Judge the oil pressure size of cooling oil；
When the oil pressure of cooling oil is higher than preset value, control second switch is opened, by extra cold oil return to fuel feeding system
System；
When the oil pressure of cooling oil is lower than preset value, control second switch is closed, and cooling oil is delivered to the inside of coupling mechanism.
12. the control method of hybrid vehicle coupling mechanism lubricating system as described in claim 10 or 11, feature exist
In further comprising the steps of:
When coupling mechanism, which is in, increases journey mode or hybrid mode, the temperature of cooling oil is obtained by coupling mechanism controller
The current speed with automobile, and the motor speed of electrodynamic pump is adjusted according to the variation of the temperature and speed of cooling oil.
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| DE102018202844B4 (en) * | 2018-02-26 | 2021-07-01 | Magna Pt B.V. & Co. Kg | Method for diagnosing a hydraulic system of a motor vehicle |
| CN111219319B (en) * | 2018-11-23 | 2021-04-27 | 广州汽车集团股份有限公司 | Method and apparatus for controlling rotation speed of electronic oil pump, and computer-readable storage medium |
| CN111216710B (en) * | 2018-11-23 | 2021-03-05 | 广州汽车集团股份有限公司 | Method, apparatus and computer-readable storage medium for controlling vehicle operating state |
| CN113090550B (en) * | 2020-01-08 | 2023-03-03 | 广汽埃安新能源汽车有限公司 | Electronic pump control method and device and computer readable storage medium |
| CN113757356B (en) * | 2020-06-02 | 2023-07-28 | 广州汽车集团股份有限公司 | Vehicle hydraulic control system and method |
| CN114056109A (en) * | 2020-07-31 | 2022-02-18 | 广州汽车集团股份有限公司 | Method for improving low-temperature transmission efficiency of automobile and automobile electric drive system |
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