CN106958645A - Hybrid vehicle coupling mechanism cooling and lubricating system and its control method - Google Patents
Hybrid vehicle coupling mechanism cooling and lubricating system and its control method Download PDFInfo
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- CN106958645A CN106958645A CN201610014826.2A CN201610014826A CN106958645A CN 106958645 A CN106958645 A CN 106958645A CN 201610014826 A CN201610014826 A CN 201610014826A CN 106958645 A CN106958645 A CN 106958645A
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- cooling
- coupling mechanism
- pipeline
- oil
- mechanical pump
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
- F16H57/0436—Pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
- F16H57/0436—Pumps
- F16H57/0439—Pumps using multiple pumps with different power sources or a single pump with different power sources, e.g. one and the same pump may selectively be driven by either the engine or an electric motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2700/00—Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2210/00—Applications
- F16N2210/04—Vehicles
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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
Abstract
The present invention relates to automotive field, a kind of hybrid vehicle coupling mechanism cooling and lubricating system and its control method are disclosed, the system includes the internal cooling lubricating system inside coupling mechanism；The internal cooling lubricating system includes：First mechanical pump, the second mechanical pump, the first cooling oil passage and the second cooling oil passage, the first mechanical pump are operated with engine；Second mechanical pump is operated with motor；First cooling oil passage is connected with the first mechanical pump, for carrying out cooling and lubricating to generator and clutch；Second cooling oil passage is connected with the second mechanical pump, for carrying out cooling and lubricating to motor.The cooling of present invention collection and lubrication one, its integrated level is high, can reduce the bulk of system and mitigate the weight of system unit, and the system is using power source of two mechanical pumps as cooling oil lubrication, two mechanical pumps need not be controlled individually, saved development cost and reduced control difficulty.
Description
Technical field
The present invention relates to automotive field, more particularly to a kind of hybrid vehicle coupling mechanism is cold
But lubricating system and its control method.
Background technology
With the raising of the shortage and people's environmental consciousness of petroleum resources, and it is increasingly stricter
The requirement of legislations of environmental protection, in the urgent need to the energy and low emission even zero-emission can be saved
Environmental protection automobile product.Therefore, countries in the world government and major automobile making commercial cities are adding
Great dynamicses develop various types of new-energy automobile.Compared with traditional combustion engine, mixing is dynamic
Power automobile refers to the vehicle originated using two or more energy.
Cooling and lubricating system, as one of accessory system, is one of major technique of whole system,
It is also the key of whole system stable operation simultaneously.The ripe mixing delivered from existing market
From the point of view of power vehicle, the double-motor parallel-serial drive system of the Prius uses of Japanese Toyota Company should
System will consider power transmission performance index, also realize structurally and functionally integrated,
Accomplish miniaturization, lightweight, intellectuality and modularization, lubricating oil is used inside the system casing
Setting cooling jacket is entirely by cooling water circulation in lubrication related components and housing
System cooling.What the BYD F3DM of China was used is also dual-motor drive system, the system structure
Type is relatively simple compared with Prius systems, while using the method for similar Prius lubrications to whole system
System is lubricated and cooled down.The housing of this lubricating and cooling system need increasingly complex technique and
Manufacture is required, causes production efficiency to reduce, and increases cost, while also increasing whole system
Size, accordingly, it would be desirable to further improve.
The cooling and lubricating system having at present uses electrodynamic pump as power source, from the fuel-displaced of oil sump
Mouth oil suction is simultaneously cooled down the enclosure interior of cooling oil input power coupling mechanism by oil pipe
Lubrication.Using electrodynamic pump as power source, its cost is higher, and control difficulty is larger.
The content of the invention
The technical problem to be solved in the present invention is how to reduce existing hybrid vehicle coupling machine
The cost and control difficulty of structure cooling and lubricating system.
In order to solve the above-mentioned technical problem, the present invention provides a kind of hybrid vehicle coupling mechanism
Cooling and lubricating system, the coupling mechanism includes generator, motor and coupling mechanism control
Device, the input shaft of the generator and engine is coaxially connected, the generator and engine it
Between be provided with clutch, the output shaft of the motor passes through transmission device and connected with the clutch
Connect, the coupling mechanism is connected with the clutch, generator and motor；The cooling
Lubricating system includes the internal cooling lubricating system inside the coupling mechanism；
The internal cooling lubricating system includes：
First mechanical pump, the input shaft connection of first mechanical pump and engine, and with hair
Motivation is operated；
Second mechanical pump, the output shaft connection of second mechanical pump and motor, and with
Motor is operated；
First cooling oil passage, it is connected with first mechanical pump, for cooling oil to be conveyed
Cooling and lubricating is carried out to generator and clutch and to generator and clutch；
Second cooling oil passage, it is connected with second mechanical pump, for cooling oil to be conveyed
Cooling and lubricating is carried out to motor and to motor.
Preferably, the internal cooling lubricating system also includes hydraulic module, described the
One cooling oil passage and the second cooling oil passage are integrated in the hydraulic module, the fluid die
Root tuber controls cooling oil according to the temperature inside the mode of operation and coupling mechanism of coupling mechanism
The size of trend and flow.
Preferably, the internal cooling lubricating system also includes being located at the coupling mechanism
The oil supply mechanism of bottom, the oil supply mechanism includes oil sump and suction filter, and the suction filter is set
At the oil-out of the oil sump, the suction filter and first mechanical pump, the second machinery
Pump is connected.
Preferably, the cooling and lubricating system also includes outside the coupling mechanism
Outside cooling system, the outside cooling system is used to cooling down cooling oil and will be cold after cooling
But oil is delivered to the first cooling oil passage and the second cooling oil passage.
Preferably, the outside cooling system includes oil cooler and first switch；Institute
Oil cooler is stated to be connected with first mechanical pump, the second mechanical pump by the first pipeline, it is described
Oil cooler is connected by the second pipeline with the first cooling oil passage, the second cooling oil passage；
The first switch is on first pipeline and the second pipeline, for detecting cooling oil
Temperature, and realize that the break-make of the first pipeline and the second pipeline is controlled according to the temperature of cooling oil.
Preferably, the internal cooling lubricating system also includes the 3rd pipeline, the 4th pipe
Road and the 5th pipeline；
Connected after 4th pipeline and the 5th pipeline are in parallel with the 3rd pipeline, the first pipeline,
The other end of 3rd pipeline is oil inlet, the other end and the oil cooling of first pipeline
But device is connected；
First mechanical pump is connected with the 4th pipeline, second mechanical pump and described the
Five pipelines are connected.
Preferably, the internal cooling lubricating system also includes the 6th pipeline, described the
One end of six pipelines is connected with the oil-out of the 4th pipeline, the 5th pipeline, the 6th pipe
The other end on road is connected with the clutch, and the motion for the piston for the clutch is provided
Oil pressure；
6th pipeline is provided with second switch, and the second switch is used to control the 6th pipeline
Break-make and trend.
Preferably, first pipeline is provided with the 3rd switch, and the 3rd switch is used
In the size for the oil pressure for controlling the first pipeline；3rd switch, which is connected with, returns unnecessary cooling oil
The oil return pipe of stream.
Preferably, first mechanical pump is secondary and the engine by first gear
Input shaft is connected.
Preferably, second mechanical pump is secondary with the motor by second gear
Output shaft connection.
Preferably, the coupling mechanism also include differential mechanism, the motor it is defeated
Shaft is connected by the transmission device with the differential mechanism, the transmission device include jackshaft,
3rd gear pair and the 4th gear pair, the output shaft of the motor by the 3rd gear pair with
The jackshaft connection, the jackshaft is connected by the 4th gear pair with the differential mechanism；
Second mechanical pump is connected by the way that second gear is secondary with the jackshaft.
In order to solve identical technical problem, the present invention also provides a kind of dynamic based on above-mentioned mixing
The control method of power automobile coupling mechanism cooling and lubricating system, it comprises the following steps：
Receive the work order for the coupling mechanism that coupling mechanism controller is sent；
When coupling mechanism is in electric-only mode, clutch is controlled by coupling mechanism controller
Separation, engine and generator are stopped, so that the first mechanical air pump inoperative, driving
Motor drives the operating of the second mechanical pump to carry out cooling and lubricating to motor；
Increase journey pattern when coupling mechanism is in, clutch separation controlled by coupling mechanism controller,
Engine and the operating of the mechanical pump of generator drive first to generator to carry out cooling and lubricating, simultaneously
Motor drives the operating of the second mechanical pump to carry out cooling and lubricating to the motor；
When coupling mechanism is in hybrid mode, clutch is controlled by coupling mechanism controller
Device is engaged, and the operating of the mechanical pump of engine driving first is with to generator and clutch progress cooling profit
It is sliding, while motor drives the operating of the second mechanical pump to carry out cooling profit to the motor
It is sliding.
A kind of cooling and lubricating system collection coupling mechanism provided by the present invention and its control method, collection
Cooling and lubrication one, its integrated level are high, can reduce the bulk of system and mitigate Account Dept
The weight of part, and the system is using power source of the mechanical pump as cooling oil lubrication, two
Mechanical pump need not be controlled individually, and the first mechanical pump is driven by engine, the first mechanical pump
Running speed is adjusted according to the running speed of engine, and the second mechanical pump is driven by motor
Dynamic, the running speed of the second mechanical pump is adjusted according to the running speed of motor, thus may be used
Avoid being used as power source using electric oil pump, saved development cost and reduced control difficulty.
Brief description of the drawings
Fig. 1 is the liquid of the hybrid vehicle coupling mechanism cooling and lubricating system of the embodiment of the present invention one
Press system diagram；
Fig. 2 is the structural representation of the coupling mechanism of the embodiment of the present invention one；
Fig. 3 is the liquid of the hybrid vehicle coupling mechanism cooling and lubricating system of the embodiment of the present invention two
Press system diagram；
Fig. 4 is the work of the control method of hybrid power coupling mechanism cooling and lubricating system of the present invention
Flow chart.
Wherein：1st, engine；2nd, the input shaft of engine；3rd, the first mechanical pump driving tooth
Wheel；4th, the first mechanical pump driven gear；5th, the input shaft of the first mechanical pump；6th, the first machine
Tool pump；7th, clutch；8th, first gear；9th, generator；10th, second gear；11、
Jackshaft；12nd, the 3rd gear；13rd, motor；14th, the output shaft of motor；15、
Second mechanical pump driving gear；16th, the second mechanical pump driven gear；17th, second mechanical pump
Input shaft；18th, the second mechanical pump；19th, the 4th gear；20th, the 5th gear；21st, differential
Device；22nd, the first jack shaft；23rd, the second jack shaft；24th, oil sump；25th, suction strainer
Device；26th, the 3rd pipeline；27th, the 4th pipeline；28th, the 5th pipeline；29th, the 6th pipeline；
30th, oil cooler；31st, the first pipeline；32nd, the second pipeline；33rd, first switch；34、
Second switch；35th, the 3rd switch；36th, the oil pocket of clutch；37th, oil return pipe；38th, liquid
Die block；39th, the tie point of the first cooling oil passage；40th, the of the first cooling oil passage
Two branch roads；41st, the second cooling oil passage；42nd, generator spray bar；43rd, clutch oil spout
Pipe；44th, motor spray bar.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is made further in detail
Description.Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
One embodiment of hybrid vehicle coupling mechanism cooling and lubricating system
As depicted in figs. 1 and 2, a kind of hybrid vehicle coupling that the embodiment of the present invention is provided
Close mechanism cooling and lubricating system, wherein, coupling mechanism include generator 9, motor 13,
Differential mechanism 21 and coupling mechanism controller, the input shaft 2 of generator 9 and engine is coaxial to be connected
Connect, clutch 7 is provided between engine 1 and generator 9, motor 13 passes through transmission
Device is connected with clutch 7 and differential mechanism 21, clutch 7 can realize motor 13 with
The engagement or separation of engine 1, generator 9, motor 13, differential mechanism 21 and clutch
Device 7 is connected with coupling mechanism controller, and is controlled by coupling mechanism controller；When engagement from
During clutch 7, motor 13, engine 1 and generator 9 work simultaneously, coupling mechanism
In hybrid mode；When separating clutch 7, engine 1 and generator 9 do not work,
Only motor 13 works, and coupling mechanism is in electric-only mode or increases journey pattern.
Transmission device includes first gear 8, second gear 10, the 3rd gear 12, the 4th tooth
The 19, the 5th gear 20 and jackshaft 11 are taken turns, wherein, first gear 8 is located at engine 1
On output shaft, first gear 8 is meshed with second gear 10, and the 3rd gear 12 is located at driving
On the output shaft 14 of motor, the 3rd gear 12 is meshed with second gear 10, second gear
10 and the 4th gear 19 be respectively arranged on the two ends of jackshaft 11, the 4th gear 19 and the 5th tooth
Wheel 20 is meshed, and the 5th gear 20 is connected with differential mechanism 21, and differential mechanism 21 and first drives
Semiaxis 22 is connected, and the 5th gear 20 is located on the second jack shaft 23, wherein, the second tooth
The gear 12 of wheel 10 and the 3rd is set to the 3rd gear pair, and the 4th gear 19 and the 5th gear 20 are set
For the 4th gear pair.
Cooling and lubricating system includes the internal cooling lubricating system inside coupling mechanism；This is interior
Portion's cooling and lubricating system includes the first mechanical pump 6, the second mechanical pump 18, the first cooling oil passage
With the second cooling oil passage 41.Wherein, the input shaft 2 of the first mechanical pump 6 and engine connects
Connect, and as engine 1 is operated；The output shaft 14 of second mechanical pump 18 and motor connects
Connect, and as motor 13 is operated；First cooling oil passage is connected with the first mechanical pump 6,
The first cooling oil passage includes tie point and the second branch road, wherein, the first cooling oil passage
Tie point 39 be used for cooling oil is delivered to generator 9 to be lubricated to generator 9,
Second branch road 40 of the first cooling oil passage be used for by cooling oil be delivered to clutch 7 and to from
Clutch 7 carries out cooling and lubricating, and the second cooling oil passage 41 is mainly to generator unit stator, hair
The portion such as motor bearings, clutch friction plate and clutch bearing and the transmission mechanism of interconnection
Part carries out cooling and lubricating；Second cooling oil passage 41 is connected with the second mechanical pump 18, for inciting somebody to action
Cooling oil be delivered to motor 13 and to motor 13 carry out cooling and lubricating, mainly pair
The parts such as motor stator, motor gear pair and driving motor output shaft bearing carry out cold
But lubricate.Wherein, the first cooling oil passage and the second cooling oil passage 41 to generator, from
Clutch and the cooling and lubricating mode of motor using oil spout, base oil or can get rid of by the way of oil
OK.
The cooling and lubricating system of the present embodiment integrates cooling and the lubrication of coupling mechanism, and it collects
It is high into degree, the bulk of system can be reduced and mitigate the weight of system unit, and the system is adopted
With power source of the mechanical pump as cooling oil lubrication, two mechanical pumps need not be controlled individually,
First mechanical pump 6 is driven by engine 1, and the running speed of the first mechanical pump 6 is according to starting
The running speed of machine 1 is adjusted, and the second mechanical pump 18 driven by motor 13, and second
The running speed of mechanical pump 18 is adjusted according to the running speed of motor 13, thus can be kept away
Exempt to be used as power source using electric oil pump, saved development cost, reduced development difficulty.
In the present embodiment, the first mechanical pump 6 passes through the secondary input shaft with engine of first gear
2 connections, the second mechanical pump 18 is connected by second gear pair with the output shaft 14 of motor.
Wherein, first gear pair includes the intermeshing machinery of first mechanical pump driving gear 3 and first
Pump driven gear 4, the first mechanical pump driving gear 3 is located on the input shaft 2 of engine, the
Thus one mechanical pump driven gear 4 can pass through first on the input shaft 5 of the first mechanical pump
The driving force of engine 1 is delivered to the first mechanical pump 6 to drive the first mechanical pump 6 by gear pair
Operating；Second gear pair includes intermeshing second mechanical pump driving gear 15 and the second machine
Tool pump driven gear 16, the second mechanical pump driving gear 15 is located at the output shaft 14 of motor
On, thus the second mechanical pump driven gear 16 may be used on the input shaft 17 of the second mechanical pump
It is delivered to the second mechanical pump 18 to drive by the driving force of second gear adjutant motor 13
Second mechanical pump 18 is operated.
Can be by the internal lubricating system fuel feeding that outside oil supply mechanism is the present embodiment, can also
Pass through internal oil supply mechanism fuel feeding, it is preferable that for the internal cooling lubricating system of realization
Cooling oil is recycled, and the internal cooling lubricating system of the present embodiment also includes being located at coupling mechanism
The oil supply mechanism of bottom, the oil supply mechanism is used to be internal cooling lubricating system fuel feeding.This implementation
The oil supply mechanism of example can be arbitrary structures, can be fuel tank, tank structure, it is preferable that this reality
Applying the oil supply mechanism of example includes oil sump 24 and suction filter 25, and suction filter 25 is located at oil sump
At 24 oil-out, suction filter 25 is connected with the first mechanical pump 6, the second mechanical pump 18.
The cooling and lubricating effect of coupling mechanism is influenceed in order to avoid the temperature of cooling oil is too high, it is excellent
Selection of land, the cooling and lubricating system of the present embodiment also includes the outside cooling outside coupling mechanism
System, the outside cooling system is used to cool down cooling oil and the cooling oil after cooling is delivered into the
One cooling oil passage and the second cooling oil passage 41 provide cooling oil, with to motor 13,
Generator 9 and clutch 7 carry out cooling and lubricating, set outside cooling system will to cool down oil cooling
But to the temperature needed for coupling mechanism cooling and lubricating, to ensure cooling and lubricating effect.
Outside cooling system includes oil cooler 30 and first switch 33；Oil cooler 30 leads to
Cross the first pipeline 31 to be connected with the first mechanical pump 6, the second mechanical pump 18, oil cooler 30
Cooling oil is cooled down, and oil cooler 30 by the second pipeline 32 and the first cooling oil passage with
And second cooling oil passage 41 connect, can be defeated by the cooling oil after cooling by the second pipeline 32
Deliver to the first cooling oil passage and the second cooling oil passage 41；First switch 33 is located at the first pipe
On the pipeline 32 of road 31 and second, the temperature for detecting cooling oil, and according to the temperature of cooling oil
The break-make for spending to realize the first pipeline 31 and the second pipeline 32 is controlled.First switch 33 judges
Whether cooling oil needs to carry out outside cooling, and when the temperature of cooling oil is higher than threshold value, first opens
Close 33 and will open and make it that the first pipeline 31 and the second pipeline 32 are in channel status, cooling oil
First pass through the first pipeline 31 inflow oil cooler 30 to be cooled down, and pass through the second pipeline 32
The first cooling oil passage and the second cooling oil passage 41 are flowed into, the inside into coupling mechanism is entered
Row cooling and lubricating；When the temperature of cooling oil is less than threshold value, first switch 33 is closed, cooling
The inside of oily internally cooling and lubricating system and coupling mechanism is circulated.
Control for convenience, first switch 33 can be thermostat by-passing valve.The present embodiment is set
The purpose of first switch 33 is：If operating mode is complicated, the power of motor is higher, then motor is sent out
Heat is very big, and only the circulation of coolant does not reach cooling effect close to the inner portion.Increase is necessary to for this
One thermostat by-passing valve, sets a threshold values, when oil temperature higher than threshold values is accomplished by outside cooling
Coolant is flow back into oil duct again afterwards, related components are cooled down.Specifically, such as speed with
120KM/h is operated, originally 25 degrees Celsius of coupling mechanism oil temperature, and 120 degree of motor temperature,
By circulating several times, oil liquid temperature also reaches 100 degrees Celsius, and motor temperature or 120,
Then 100 degrees Celsius of coolant cannot be cooled down to related components well.At this moment
Coolant is flowed out into outside and is cooled to 25 degrees Celsius, then flow back into coupling mechanism, thus
Related components can be cooled down.
The internal cooling lubricating system of the present embodiment also includes the 3rd pipeline 26, the 4th pipeline 27
With the 5th pipeline 28；After 4th pipeline 27 and the parallel connection of the 5th pipeline 28 with the 3rd pipeline 26,
First pipeline 31 is connected, and the other end of the 3rd pipeline 26 and the suction filter 25 of oil supply mechanism connect
Connect, the other end of the first pipeline 31 is oil inlet, and it connects oil cooler 30；First machinery
Pump 6 is connected with the 4th pipeline 27, and when starting engine 1, the first mechanical pump 6 is driven,
And cooling oil is delivered to by the first pipeline 31 by the 4th pipeline 27；Second mechanical pump 18 with
5th pipeline 28 is connected, and when starting motor 13, the second mechanical pump 18 is driven,
And cooling oil is delivered to by the first pipeline 31 by the 5th pipeline 28.
Further, internal cooling lubricating system also includes the 6th pipeline 29, the 6th pipeline
29 one end is connected with the first pipeline 31, the other end of the 6th pipeline 29 and clutch
Oil pocket 36 is connected, and the motion for the piston for clutch provides oil pressure；On 6th pipeline 29
Provided with second switch 34, second switch 34 is used for the break-make and trend for controlling the 6th pipeline 29,
When needing clutch 7 to engage, second switch 34 controls the 6th pipeline 29 to connect, cooling oil
Oil pressure is provided by the 6th pipeline 29, control clutch 7 is engaged；When clutch need not be engaged
During device 7, second switch 34 control the 6th pipeline 29 disconnect, then cooling oil can not be input to from
Among the oil pocket 36 of clutch, it thus can control clutch 7 and separate.
First pipeline 31 is used to control first provided with the 3rd switch 35, the 3rd switch 35
The size of the oil pressure of pipeline 31.In addition, the 3rd switch 35 passes through oil return pipe 37 and fuel feeding machine
The oil sump 24 of structure is connected, when oil pressure is excessive, can be by oil return pipe 37 by unnecessary cooling
Oil is back in the oil sump 24 of oil supply mechanism.
Internal cooling lubricating arrangement also includes hydraulic module 38, and hydraulic module 38 is according to coupling machine
The mode of operation and coupling mechanism internal temperature situation of structure controls the trend and flow of cooling oil
Size.Specifically, it is above-described second switch the 34, the 3rd switch 35, first is cold
Oily passage, the second cooling oil passage 41 and the 6th pipeline 29 are integrated in hydraulic module 38,
The hydraulic module 38 can be controlled by coupling mechanism controller, according to whole cooling and lubricating
Temperature conditions inside the operating mode of device, coupling mechanism, to control second switch 34 and the 3rd
Switch 35, and then control the trend and uninterrupted of cooling oil.Wherein, the He of second switch 34
3rd switch 35 can be magnetic valve.
Further, internal cooling lubricating system also includes generator spray bar 42, clutch
Spray bar 43 and motor spray bar 44, the cooling oil of generator spray bar 42 and first are led to
The tie point 39 in road, for carrying out Oil injection cooling lubrication, clutch oil spout to generator 9
Pipe 43 is connected with the second branch road 40 of the first cooling oil passage, cold for being carried out to clutch 7
But lubricate, motor spray bar 44 is connected with the second cooling oil passage 41, for driving
Motor carries out Oil injection cooling lubrication.
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 stir oil or other manner to carry out the related components of coupling mechanism
Cooling, it is not necessary to many complicated pipelines are set on the housing of coupling mechanism, housing is reduced
Difficulty of processing；If not using hydraulic module 38 and spray bar, housing increase can be made a lot
Oil duct so that structure becomes very complicated, thus can increase processing cost.
Second embodiment of hybrid vehicle coupling mechanism cooling and lubricating system
As shown in figure 3, the hybrid vehicle coupling mechanism cooling and lubricating that the present embodiment is provided
System, it is differed only in embodiment one, wherein, the first mechanical pump 6 still passes through
The input shaft 2 of one gear pair and engine is connected, and second mechanical pump 18 of the present embodiment is logical
Cross second gear pair to be connected with jackshaft 11, specifically, second gear pair includes intermeshing
The second mechanical pump driving gear 15 and the second mechanical pump driven gear 16, jackshaft 11 with
One end that second gear 10 is connected is extended a distance into the direction of the second mechanical pump 18 and with the
Two mechanical pump driven gears 16 are connected, and the second mechanical pump driving gear 15 is located at the second machinery
On the input shaft 17 of pump, thus can also realize drive second by the operating of motor 13
The function that mechanical pump 18 is operated.The other structures of the present embodiment are identical with embodiment one.
The present invention also provides a kind of control of hybrid vehicle coupling mechanism cooling and lubricating system
Method, it is used to switch over the mode of operation of cooling and lubricating system, wherein, cooling and lubricating
System includes two kinds of mode of operations.
Two kinds of mode of operation contrast tables of the cooling and lubricating system of table one
As shown in figure 4, the control method of the present embodiment comprises the following steps：
S1, the work order for receiving the coupling mechanism that entire car controller is sent；
S2, when coupling mechanism be in electric-only mode when, coupling mechanism controller control clutch
7 separation, engine 1 and generator 9 be stopped, so that the first mechanical pump 6 not work
Make, motor 13 drives the second mechanical pump 18 to operate to cool down motor 13
Lubrication；
S3, when coupling mechanism be in increase journey pattern, coupling mechanism controller control 7 points of clutch
From engine and the first mechanical pump of generator drive 6 operate to carry out cooling profit to generator 9
It is sliding, while motor 13 drives the second mechanical pump 18 to operate to cool down motor
Lubrication；
S4, when coupling mechanism is in increase journey pattern or during hybrid mode, coupling mechanism control
Device control clutch 7 is engaged, and engine 1 drives the first mechanical pump 6 to operate with to generator 9
Cooling and lubricating is carried out with clutch 7, while motor 13 drives the second mechanical pump 18 to operate
To carry out cooling and lubricating to motor 13.
Because hydraulic module 38 is controlled by coupling mechanism controller, and second opens
Close the 34, the 3rd and switch the 35, first cooling oil passage, the second cooling oil passage 41 and the 6th pipe
Road 29 is integrated in hydraulic module 38, therefore, in the control method of the present embodiment, and second
The switch 35 of switch 34 and the 3rd is controlled by coupling mechanism controller.
Specifically, as shown in above-mentioned table one, below it should be noted that Second Threshold is more than the
One threshold value, when automobile battery power is more than Second Threshold, coupling mechanism controller control the 3rd
Switch 35 is opened so that the 5th pipeline 28 is disconnected, and clutch 7 is separated, now coupling mechanism
For electric-only mode, engine 1 does not work with generator 9, generator 9 and clutch 7
Cooling and lubricating is not needed, and the first mechanical pump 6 does not need work, the only work of motor 13
Make, it is only necessary to cool down motor 13, motor 13 drives the second mechanical pump 18 to operate
And cooling and lubricating is carried out to motor 13 by the second cooling oil passage 41.
When automobile battery power is less than first threshold and Second Threshold, coupling mechanism controller coupling
Close the switch 35 of mechanics controller control the 3rd to open so that the 5th pipeline 28 disconnects, clutch
7 separation, now coupling mechanism, which is in, increases journey pattern, and engine 1, which starts, drives generator 9 to send out
Electricity but be not involved in driving, engine 1 drive the first mechanical pump 6 work and by the first cooling oil
The tie point 39 of passage carries out cooling and lubricating to generator 9, while motor 13 drives
Mechanical pump 18 operates to carry out cooling and lubricating to motor 13.
When automobile battery power is more than first threshold and is less than Second Threshold, pass through coupling mechanism
The switch 35 of controller control the 3rd is closed, and connects the 5th pipeline 28 so that clutch 7 is engaged,
Now coupling mechanism is in hybrid mode, and engine 1, generator 9 participate in driving, hair
Motivation 1 drives the first mechanical pump 6 to work and by the tie point 39 of the first cooling oil passage
The second branch road 40 with the first cooling oil passage is to generator 9 and the progress cooling profit of clutch 7
It is sliding, meanwhile, motor 13 drives the second mechanical pump 18 to work with to the motor
13 carry out cooling and lubricating.
The control method of the present embodiment also includes step：Obtain the temperature of cooling oil；Work as cooling oil
Temperature be higher than threshold value when, cooling oil through outside cooling system cool down after flow into coupling mechanism again
It is internal；When the temperature of cooling oil is less than threshold value, inner loop of the cooling oil in coupling mechanism.
Specifically, the temperature of cooling oil is judged by first switch 33, when the temperature of cooling oil is high
When threshold value, first switch 33, which will be opened, make it that the first pipeline 31 and the second pipeline 32 are in
Channel status, cooling oil flows into oil cooler 30 by the first pipeline 31 and cooled down, and leads to
Cross the second pipeline 32 and flow into the first cooling oil passage and the second cooling oil passage 41, and enter coupling
The inside for closing mechanism carries out cooling and lubricating；When the temperature of cooling oil is less than threshold value, first switch
33 are closed, and cooling oil is circulated in the inside of coupling mechanism.
The control method of the present embodiment also includes step：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 the first pipe
Unnecessary cooling oil is back to oil supply system by oil return pipe 37 in road 31；
When the oil pressure of cooling oil is less than preset value, control second switch is opened, and cooling oil is complete
Portion is delivered to the inside of coupling mechanism by the first cooling oil passage and the second cooling oil passage 41
To carry out cooling circulation to the internal structure of coupling mechanism, it is not necessary to the backflow of cooling oil.
To sum up, a kind of hybrid vehicle coupling mechanism cooling and lubricating system provided by the present invention
And control method, with advantages below：
1st, electrodynamic pump and oil pump controller are not needed, and mechanical pump is cheaper than electrodynamic pump, can be with
Save development capital；
2nd, whether is two working machine pumps, it is not necessary to individually control.When electric-only mode,
Second mechanical pump 18 can be operated with the output shaft 14 of motor, when coupling mechanism is combined drive
Dynamic model formula or when increasing journey pattern, two mechanical pumps can respectively with the output shaft 14 of motor with
And the input shaft operating of generator.
3rd, the rotating speed of two mechanical pumps need not be controlled individually, the running speed of mechanical pump according to
The running speed of motor 13 and the running speed of engine 1 are voluntarily adjusted.Work as driving
When motor 13 or the very fast running speed of engine 1, mechanical pump can also obtain faster rotating speed,
Also required larger cooling and lubricating flow can be met, conversely, when motor 13 or starting
When the running speed of machine 1 is slower, mechanical pump can also obtain slower rotating speed, needed for also meeting
Less cooling and lubricating flow.
The above is only the preferred embodiment of the present invention, it is noted that led for this technology
, can be with the premise of the technology of the present invention principle is not departed from for the those of ordinary skill in domain
Some improvement and replacement are made, these, which improve and replaced, also should be regarded as protection scope of the present invention.
Claims (12)
1. a kind of hybrid vehicle coupling mechanism cooling and lubricating system, the coupling mechanism bag
Include generator, motor and coupling mechanism controller, the input of the generator and engine
Axle is coaxially connected, and clutch is provided between the generator and engine, the motor
Output shaft is connected by transmission device with the clutch, the coupling mechanism and the clutch,
Generator and motor connection；Characterized in that, the cooling and lubricating system includes being located at institute
State the internal cooling lubricating system inside coupling mechanism；
The internal cooling lubricating system includes：
First mechanical pump, the input shaft connection of first mechanical pump and engine, and with hair
Motivation is operated；
Second mechanical pump, the output shaft connection of second mechanical pump and motor, and with
Motor is operated；
First cooling oil passage, it is connected with first mechanical pump, for cooling oil to be conveyed
Cooling and lubricating is carried out to generator and clutch and to generator and clutch；
Second cooling oil passage, it is connected with second mechanical pump, for cooling oil to be conveyed
Cooling and lubricating is carried out to motor and to motor.
2. hybrid vehicle coupling mechanism cooling and lubricating system as claimed in claim 1,
Characterized in that, the internal cooling lubricating system also includes hydraulic module, first cooling
Oily passage and the second cooling oil passage are integrated in the hydraulic module, the hydraulic module according to
Temperature inside the mode of operation and coupling mechanism of coupling mechanism come control cooling oil trend and
The size of flow.
3. hybrid vehicle coupling mechanism cooling and lubricating system as claimed in claim 1,
Characterized in that, the internal cooling lubricating system is also included located at the coupling mechanism bottom
Oil supply mechanism, the oil supply mechanism includes oil sump and suction filter, and the suction filter is located at described
At the oil-out of oil sump, the suction filter is connected with first mechanical pump, the second mechanical pump.
4. the hybrid vehicle coupling mechanism cooling profit as described in claim any one of 1-3
Sliding system, it is characterised in that the cooling and lubricating system also includes outside the coupling mechanism
The outside cooling system in portion, the outside cooling system is used to cool down cooling oil and by after cooling
Cooling oil is delivered to the first cooling oil passage and the second cooling oil passage.
5. hybrid vehicle coupling mechanism cooling and lubricating system as claimed in claim 4,
Characterized in that, the outside cooling system includes oil cooler and first switch；The oil cooling
But device is connected by the first pipeline with first mechanical pump, the second mechanical pump, and the oil cooling is but
Device is connected by the second pipeline with the first cooling oil passage, the second cooling oil passage；
The first switch is on first pipeline and the second pipeline, for detecting cooling oil
Temperature, and realize that the break-make of the first pipeline and the second pipeline is controlled according to the temperature of cooling oil.
6. hybrid vehicle coupling mechanism cooling and lubricating system as claimed in claim 5,
Characterized in that, the internal cooling lubricating system also includes the 3rd pipeline, the 4th pipeline and the
Five pipelines；
Connected after 4th pipeline and the 5th pipeline are in parallel with the 3rd pipeline, the first pipeline,
The other end of 3rd pipeline is oil inlet, the other end and the oil cooling of first pipeline
But device is connected；
First mechanical pump is connected with the 4th pipeline, second mechanical pump and described the
Five pipelines are connected.
7. hybrid vehicle coupling mechanism cooling and lubricating system as claimed in claim 6,
Characterized in that, the internal cooling lubricating system also includes the 6th pipeline, the 6th pipeline
One end be connected with the oil-out of the 4th pipeline, the 5th pipeline, the 6th pipeline it is another
One end is connected with the clutch, and the motion for the piston for the clutch provides oil pressure；
6th pipeline is provided with second switch, and the second switch is used to control the 6th pipeline
Break-make and trend.
8. hybrid vehicle coupling mechanism cooling and lubricating system as claimed in claim 5,
Characterized in that, first pipeline is switched for controlling provided with the 3rd switch, the described 3rd
The size of the oil pressure of first pipeline；3rd switch is connected with returning unnecessary cold oil return
Oil pipe.
9. the hybrid vehicle coupling mechanism cooling profit as described in claim any one of 1-3
Sliding system, it is characterised in that first mechanical pump is secondary with the engine by first gear
Input shaft connection.
10. the hybrid vehicle coupling mechanism cooling profit as described in claim any one of 1-3
Sliding system, it is characterised in that second mechanical pump is secondary electric with the driving by second gear
The output shaft connection of machine.
11. the hybrid vehicle coupling mechanism cooling profit as described in claim any one of 1-3
Sliding system, it is characterised in that the coupling mechanism also includes differential mechanism, the motor
Output shaft is connected by the transmission device with the differential mechanism, and the transmission device includes centre
Axle, the 3rd gear pair and the 4th gear pair, the output shaft of the motor pass through the 3rd gear
Secondary to be connected with the jackshaft, the jackshaft is connected by the 4th gear pair with the differential mechanism；
Second mechanical pump is connected by the way that second gear is secondary with the jackshaft.
12. a kind of hybrid vehicle coupling machine based on described in claim any one of 1-11
The control method of structure cooling and lubricating system, it is characterised in that comprise the following steps：
Receive the work order for the coupling mechanism that coupling mechanism controller is sent；
When coupling mechanism is in electric-only mode, clutch is controlled by coupling mechanism controller
Separation, engine and generator are stopped, so that the first mechanical air pump inoperative, driving
Motor drives the operating of the second mechanical pump to carry out cooling and lubricating to motor；
Increase journey pattern when coupling mechanism is in, clutch separation controlled by coupling mechanism controller,
Engine and the operating of the mechanical pump of generator drive first to generator to carry out cooling and lubricating, simultaneously
Motor drives the operating of the second mechanical pump to carry out cooling and lubricating to motor；
When coupling mechanism is in hybrid mode, clutch is controlled by coupling mechanism controller
Device is engaged, and the operating of the mechanical pump of engine driving first is with to generator and clutch progress cooling profit
It is sliding, while motor drives the operating of the second mechanical pump to carry out cooling and lubricating to motor.
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| CN201610014826.2A CN106958645B (en) | 2016-01-08 | 2016-01-08 | Cooling and lubricating system for coupling mechanism of hybrid electric vehicle and control method thereof |
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| CN201610014826.2A CN106958645B (en) | 2016-01-08 | 2016-01-08 | Cooling and lubricating system for coupling mechanism of hybrid electric vehicle and control method thereof |
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