CN108019442A - Clutch fluid pressure control system and hybrid power system - Google Patents
Clutch fluid pressure control system and hybrid power system Download PDFInfo
- Publication number
- CN108019442A CN108019442A CN201711499583.7A CN201711499583A CN108019442A CN 108019442 A CN108019442 A CN 108019442A CN 201711499583 A CN201711499583 A CN 201711499583A CN 108019442 A CN108019442 A CN 108019442A
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- China
- Prior art keywords
- clutch
- interface
- clutches
- spool
- fluid pressure
- Prior art date
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- Granted
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 71
- 238000001816 cooling Methods 0.000 claims description 16
- 239000002828 fuel tank Substances 0.000 claims description 12
- 230000001050 lubricating effect Effects 0.000 claims description 12
- 230000008450 motivation Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
-
- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
- B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/104—Clutch
- F16D2500/10406—Clutch position
- F16D2500/10412—Transmission line of a vehicle
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/106—Engine
- F16D2500/1066—Hybrid
Abstract
The present invention relates to technical field of transmission equipment, more particularly, to a kind of clutch fluid pressure control system and hybrid power system.The clutch fluid pressure control system, including：Oil feed pump, clutch spool, C0 clutches and the control device for controlling clutch spool to open and close；Oil feed pump input terminal is connected with oil sump, and the output terminal of oil feed pump is connected with the input terminal of clutch spool, and the output terminal of clutch spool is connected with the input terminal of C0 clutches, and the output terminal of C0 clutches is connected with oil sump；When control device control clutch spool is opened, the input terminal of clutch spool is communicated with its output terminal, and C0 clutches are in bonding state；When control device control clutch spool is closed, the input terminal of clutch spool is disconnected with its output terminal, and C0 clutches are in discrete state.The clutch fluid pressure control system solves fluid torque-converter and takes the big technical problem in gearbox space.
Description
Technical field
The present invention relates to technical field of transmission equipment, more particularly, to a kind of clutch fluid pressure control system and hybrid power
System.
Background technology
At present, common automatic gear-box is generally divided into hydraulic automatic gearbox, electric-controlled mechanical automatic gear-box in the world
And mechanical stepless automatic gear-box, wherein, the automatic parameter case of power is to develop automatic gear-box the most ripe, fluid power so far
Automatic gear-box includes in series by fluid torque-converter and speed changer.Wherein, fluid torque-converter, which rises, transmits torque, bending moment, change
Speed and the effect of clutch.
But the volume of fluid torque-converter is big, gearbox space is taken.
The content of the invention
It is an object of the invention to provide clutch fluid pressure control system, and gearbox space is taken to solve fluid torque-converter
Big technical problem.
Clutch fluid pressure control system provided by the invention, including：Oil feed pump, clutch spool, C0 clutches and it is used for
The control device for controlling the clutch spool to open and close；
The oil feed pump input terminal is connected with oil sump, the input of the output terminal of the oil feed pump and the clutch spool
End is connected, and the output terminal of the clutch spool is connected with the input terminal of the C0 clutches, the C0 clutches it is defeated
Outlet is connected with the oil sump；
When the control device controls the clutch spool unlatching, the input terminal of the clutch spool and its output terminal
Communicate, the C0 clutches are in bonding state；When the control device controls the clutch spool closing, the clutch
The input terminal of spool is disconnected with its output terminal, and the C0 clutches are in discrete state.
Further, the clutch spool is 3-position-3-way spool；
The clutch spool includes first interface, second interface and the 3rd interface, the first interface and the C0 from
Clutch connects, and the second interface is connected with the oil feed pump, and the 3rd interface is connected with the first fuel tank；
When control device control clutch spool is opened, the first interface connects with second interface, and fluid is from institute
State oil feed pump and flow to the C0 clutches, the C0 clutches are in bonding state；The control device controls clutch spool
Close, the first interface and second interface disconnect, the first interface and the 3rd orifice, the fluid of the C0 clutches
First fuel tank is flowed to, the C0 clutches are in discrete state.
Further, the control device is clutch control solenoid valve；
The clutch control solenoid valve includes the 4th interface and the 5th interface；4th interface connects with the oil feed pump
Logical, one end of the clutch spool is provided with guide end, and the 5th interface is connected with the guide end of the clutch spool；
After the clutch control solenoid valve is powered, the 4th interface and the 5th orifice.
Further, the other end of the clutch spool is provided with resetting spring, for making the clutch spool extensive
Multiple original state.
Further, the clutch control solenoid valve includes the 6th interface, the 6th interface and the second fuel tank connection；
After the clutch control solenoid valve power-off, the 4th interface and the 6th orifice, carry out draining.
Further, pressure reducing valve is equipped between the clutch control solenoid valve and the oil feed pump.
Further, the clutch fluid pressure control system further includes lubricating system, the input terminal of the lubricating system and
The output terminal connection of the C0 clutches, the output terminal of the lubricating system are connected with the oil sump.
Further, the lubricating system includes a plurality of cooling branch in parallel；
Every cooling branch includes the throttle orifice and cooling unit being sequentially communicated；Each throttle orifice is close to institute
State C0 clutches.
Further, it is communicated with filter in the input terminal of the oil feed pump；The filter connects with the oil sump
It is logical..
Compared with prior art, the device have the advantages that：
Clutch fluid pressure control system provided by the invention, substitutes fluid torque-converter, C0 clutches are accounted for by C0 clutches
Space with gearbox space is small, can reduce the overall volume of gearbox, make structure lighter；Pass through control device control
The input terminal of clutch spool processed is communicated with its output terminal, and oil feed pump provides power for oil circuit, the fluid of oil sump is led to successively
Oil feed pump, clutch spool arrival C0 clutches are crossed, C0 clutches is in bonding state, engine power is passed into speed change
Case, can make gearbox rotate；Control the input terminal of clutch spool and its output terminal to disconnect by control device, make C0
Clutch is in discrete state, and engine power stops supply gearbox dynamic, gearbox is stopped operating, such C0 clutches
To realizing connection and separation to engine and gearbox, the effect of fluid torque-converter is realized；Pass through the output of C0 clutches
End is connected with oil sump, fluid is returned to oil sump, the flowing of fluid is formed a circulation, can realize the circulation of fluid makes
With.
It is an object of the invention to provide hybrid power system, and the big skill in gearbox space is taken to solve fluid torque-converter
Art problem.
Hybrid power system provided in this embodiment, including：Motor, engine, gearbox and the clutch hydraulic pressure
Control system；
In the engine working mode, the C0 clutches of the clutch fluid pressure control system are in bonding state, institute
State engine to be connected with the gearbox, drive the gearbox to work；
Under electric-only mode, the motor drives the gearbox work, and the C0 clutches are in discrete state.
Compared with prior art, the device have the advantages that：
Hybrid power system provided by the invention, fluid power is substituted by the C0 clutches of the clutch fluid pressure control system
Torque-converters, makes the space in gearbox space small；When vehicle is in electric-only mode, engine does not work, and motor drives speed change
Case works, and ensures vehicle starting traveling under electric model；When vehicle is in engine working mode, C0 clutches are in knot
Conjunction state, makes engine be connected with gearbox, so that gearbox works；By being used in mixed way for motor and engine, make vapour
Car can be travelled effectively.Wherein, the structure of clutch fluid pressure control system and beneficial effect is above-mentioned has carried out detailed elaboration,
Which is not described herein again.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the schematic diagram of clutch fluid pressure control system provided in an embodiment of the present invention；
Fig. 2 is the partial enlarged view at the clutch fluid pressure control system A that Fig. 1 is provided；
Fig. 3 is the schematic diagram of clutch spool in clutch fluid pressure control system provided in an embodiment of the present invention；
The schematic diagram of lubricating system in Fig. 4 clutch fluid pressure control systems provided in an embodiment of the present invention.
Icon：10- oil feed pumps；20- clutch spools；30-C0 clutches；40- clutch control solenoid valves；50-
Pressure reducing valve；60- lubricating systems；70- oil sumps；80- working connections；11- filters；21- first interfaces；22- second connects
Mouthful；The 3rd interfaces of 23-；24- guide end；25- resetting springs；The first fuel tanks of 26-；The second fuel tanks of 41-；61- coolings are single
Member；62- throttle orifices；The first branches of 81- oil circuit；The second branches of 82- oil circuit.
Embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Easy to describe the present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Embodiment one
As depicted in figs. 1 and 2, clutch fluid pressure control system provided in this embodiment, including：Oil feed pump 10, clutch
Spool 20, C0 clutches 30 and the control device for controlling clutch spool 20 to open and close；10 input terminal of oil feed pump with
Oil sump 70 connects, and the output terminal of oil feed pump 10 is connected with the input terminal of clutch spool 20, the output of clutch spool 20
End is connected with the input terminal of C0 clutches 30, and the output terminal of C0 clutches 30 is connected with oil sump 70；When control device controls
Clutch spool 20 is opened, and the input terminal of clutch spool 20 is communicated with its output terminal, and C0 clutches 30 are in bonding state；When
Control device control clutch spool 20 is closed, and the input terminal of clutch spool 20 is disconnected with its output terminal, at C0 clutches 30
In discrete state.
Clutch fluid pressure control system provided in this embodiment, fluid torque-converter, C0 clutches are substituted by C0 clutches 30
The space that device 30 takes gearbox space is small, can reduce the overall volume of gearbox, make structure lighter；Pass through control
The input terminal of device control clutch spool 20 is communicated with its output terminal, and oil feed pump 10 provides power for oil circuit, makes oil sump 70
Fluid pass sequentially through oil feed pump 10, clutch spool 20 reaches C0 clutches 30, C0 clutches 30 be in bonding state, general
Engine power passes to gearbox, gearbox can be made to rotate；The defeated of clutch spool 20 is controlled by control device
Enter end to disconnect with its output terminal, C0 clutches 30 is in discrete state, engine power stops supply gearbox dynamic, makes change
Fast case stops operating, and such C0 clutches 30 realize hydraulic moment changeable to realizing connection and separation to engine and gearbox
The effect of device；Connected by the output terminal of C0 clutches 30 with oil sump 70, fluid is returned to oil sump 70, make the flowing of fluid
A circulation is formed, can realize the recycling of fluid.
It should be noted that in the present embodiment, as shown in Figures 2 and 3, clutch spool 20 is 3-position-3-way spool；
Specifically, clutch spool 20 includes first interface 21,22 and the 3rd interface 23 of second interface, first interface 21 and C0 clutches
30 connections, second interface 22 are connected with oil feed pump 10, and the 3rd interface 23 is connected with the first fuel tank 26；When control device controls clutch
Device spool 20 is opened, and first interface 21 is connected with second interface 22, and fluid flows to C0 clutches 30, C0 clutches from oil feed pump 10
30 are in bonding state；Control device control clutch spool 20 is closed, and first interface 21 and second interface 22 disconnect, and first connects
Mouth 21 is connected with the 3rd interface 23, and the fluid of C0 clutches 30 flows to the first fuel tank 26, and C0 clutches 30 are in discrete state.
It is, when first interface 21 is connected with second interface 22, power is provided by oil feed pump 10, makes fluid from the
Two interfaces 22 flow to first interface 21, then flow to C0 clutches 30, C0 clutches 30 is in bonding state, engine and speed change
Case connects；When first interface 21 is connected with the 3rd interface 23, fluid stops flowing to C0 clutches 30, and C0 clutches 30 are in
Discrete state, meanwhile, the fluid in C0 clutches 30 flows to the 3rd interface 23 by first interface 21, realizes the purpose of draining.
In the present embodiment, as shown in Fig. 2, control device is clutch control solenoid valve 40；Clutch control solenoid valve 40
Including the 4th interface and the 5th interface；4th interface is connected with oil feed pump 10, and one end of clutch spool 20 is provided with guide end
24, the 5th interface is connected with the guide end 24 of clutch spool 20；After clutch control solenoid valve 40 is powered, the 4th interface and the
Five orifices.
It should be noted that clutch control solenoid valve 40 is to control to carry out electric current control by automatic gear-box control unit
System, when automatic gear-box control unit control clutch control solenoid valve 40 be powered, make oil feed pump 10 provide fluid flow to from
Clutch controls the 4th interface of solenoid valve 40, and then the 4th interface is communicated with the 5th interface, and the 5th interface and clutch spool
20 guide end 24 connects, so that clutch control solenoid valve 40 is the pressure oil pressure of clutch spool 20, makes clutch spool
20 first interface 21 is connected with second interface 22；When automatic gear-box control unit control clutch control solenoid valve 40 stops
During energization, 24 oil pressure of guide end for making clutch spool 20 is gradually 0V, and first interface 21 and second interface 22 disconnect, make C0 from
Clutch 30 is in discrete state.
It should be noted that the 4th interface of clutch control solenoid valve 40 is connected with oil feed pump 10, make clutch control
Solenoid valve 40 is in parallel with clutch spool 20.
In order to enable clutch spool 20 to automatically restore to original state, on the basis of above-described embodiment, into one
Step, as shown in figure 3, the other end of clutch spool 20 is provided with resetting spring 25, for making clutch spool 20 recover just
Beginning state.When increasing oil pressure at the guide end 24 of clutch spool 20, make 25 compression of resetting spring；Work as clutch spool
Oil pressure at 20 guide end 24 is 0V, and resetting spring 25 recovers original state, so that clutch spool 20 recovers initial shape
State.
In addition, in the present embodiment, as shown in Fig. 2, clutch control solenoid valve 40 includes the 6th interface, the 6th interface and
Second fuel tank 41 connects；After clutch control solenoid valve 40 powers off, the 4th interface and the 6th orifice, carry out draining.When certainly
Dynamic gear box control unit control control clutch control solenoid valve 40 powers off, at this time, the 4th interface and the 6th orifice, energy
The fluid in clutch control solenoid valve 40 is flowed in the second fuel tank 41, realize the purpose of draining.
It should be noted that the oil pressure of the output terminal of oil feed pump 10 is generally higher, clutch control solenoid valve is likely larger than
The 40 oil pressure range values adapted to, therefore, in the present embodiment, as shown in Fig. 2, in clutch control solenoid valve 40 and oil feed pump 10
Between be equipped with pressure reducing valve 50.The oil pressure of 40 input end of clutch control solenoid valve can be reduced by pressure reducing valve 50, so that
Clutch control solenoid valve 40 can work normally.
It is, as depicted in figs. 1 and 2, the output terminal of oil feed pump 10 is connected with working connection 80, and working connection 80 is respectively communicated with
First branch's oil circuit 81 and second branch's oil circuit 82, first branch's oil circuit 81 are connected with clutch spool 20, C0 clutches in turn
30 and oil sump 70, realize the circulation of fluid；Second branch's oil circuit 82 is sequentially connected pressure reducing valve 50 and clutch control electromagnetism
Valve 40, realizing, which reduces clutch control solenoid valve 40, inputs oil pressure.
In addition, in the present embodiment, as shown in Figure 1, clutch fluid pressure control system further includes lubricating system 60, lube system
The input terminal of system 60 is connected with the output terminal of C0 clutches 30, and the output terminal of lubricating system 60 is connected with oil sump 70.Pass through profit
Sliding system 60 can be lubricated and cool down to clutch fluid pressure control system, can be extended each in clutch fluid pressure control system
The service life of part, enables hydraulic automatic gearbox to work long hours.
Specifically, as shown in figure 4, lubricating system 60 includes a plurality of cooling branch in parallel；Every cooling branch include according to
The throttle orifice 62 and cooling unit 61 of secondary connection；Each throttle orifice 62 is close to C0 clutches 30.Every cooling branch connection is not
Same cooling unit 61, cools down cooling structure different in gearbox with realizing, sets and throttles on each cooling branch
Hole 62, is controlled the oil pressure needed for different cooling units 61 by throttle orifice 62, meets the confession of different cooling units 61
Oil needs.
It should be noted that in the present embodiment, filter 11 is communicated with the input terminal of oil feed pump 10；Filter 11 and oil
Bottom case 70 connects.Filter 11 is communicated with the input terminal of oil feed pump 10, can be to the fluid of oil sump 70 by filter 11
Middle objectionable impurities is filtered out, with the part of clean fluid supply clutch fluid pressure control system.
Embodiment two
Hybrid power system provided in this embodiment, including：Motor, engine, gearbox and embodiment one provide from
Clutch hydraulic control system；In engine working mode, the C0 clutches 30 of clutch fluid pressure control system are in bonding state,
Engine is connected with gearbox, drives gearbox work；Under electric-only mode, motor drives gearbox work, C0 clutches
30 are in discrete state.
Hybrid power system provided in this embodiment, is substituted by the C0 clutches 30 of the clutch fluid pressure control system
Fluid torque-converter, makes the space in gearbox space small；When vehicle is in electric-only mode, engine does not work, and motor drives
Gearbox works, and ensures vehicle starting traveling under electric model；When vehicle is in engine working mode, C0 clutches 30
In bonding state, engine is set to be connected with gearbox, so that gearbox works；Made by the mixing of motor and engine
With enabling automobile effectively to travel.Wherein, the structure of clutch fluid pressure control system and beneficial effect it is above-mentioned carried out in detail
Elaboration, which is not described herein again.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
- A kind of 1. clutch fluid pressure control system, it is characterised in that including：Oil feed pump, clutch spool, C0 clutches and it is used for The control device for controlling the clutch spool to open and close；The oil feed pump input terminal is connected with oil sump, the input terminal phase of the output terminal of the oil feed pump and the clutch spool Connection, the output terminal of the clutch spool are connected with the input terminal of the C0 clutches, the output terminal of the C0 clutches Connected with the oil sump；When the control device controls the clutch spool unlatching, the input terminal of the clutch spool and its output terminal phase Logical, the C0 clutches are in bonding state；When the control device controls the clutch spool closing, the clutch valve The input terminal of core is disconnected with its output terminal, and the C0 clutches are in discrete state.
- 2. clutch fluid pressure control system according to claim 1, it is characterised in that the clutch spool is three three Port valve core；The clutch spool includes first interface, second interface and the 3rd interface, the first interface and the C0 clutches Connection, the second interface are connected with the oil feed pump, and the 3rd interface is connected with the first fuel tank；When control device control clutch spool is opened, the first interface connects with second interface, and fluid is from the confession Oil pump flows to the C0 clutches, and the C0 clutches are in bonding state；The control device control clutch spool is closed, The first interface and second interface disconnect, the first interface and the 3rd orifice, the fluid flow direction of the C0 clutches First fuel tank, the C0 clutches are in discrete state.
- 3. clutch fluid pressure control system according to claim 2, it is characterised in that the control device is clutch control Solenoid valve processed；The clutch control solenoid valve includes the 4th interface and the 5th interface；4th interface is connected with the oil feed pump, One end of the clutch spool is provided with guide end, and the 5th interface is connected with the guide end of the clutch spool；Institute After stating clutch control solenoid valve energization, the 4th interface and the 5th orifice.
- 4. clutch fluid pressure control system according to claim 3, it is characterised in that the other end of the clutch spool Resetting spring is provided with, for making the clutch spool restPose.
- 5. clutch fluid pressure control system according to claim 3, it is characterised in that the clutch control solenoid valve bag Include the 6th interface, the 6th interface and the second fuel tank connection；After the clutch control solenoid valve power-off, the 4th interface and the 6th orifice, carry out draining.
- 6. clutch fluid pressure control system according to claim 3, it is characterised in that in the clutch control solenoid valve Pressure reducing valve is equipped between the oil feed pump.
- 7. according to claim 1-6 any one of them clutch fluid pressure control systems, it is characterised in that further include lube system System, the input terminal of the lubricating system connects with the output terminal of the C0 clutches, the output terminal of the lubricating system with it is described Oil sump connects.
- 8. clutch fluid pressure control system according to claim 7, it is characterised in that the lubricating system include it is a plurality of simultaneously The cooling branch of connection；Every cooling branch includes the throttle orifice and cooling unit being sequentially communicated；Each throttle orifice is close to the C0 Clutch.
- 9. according to claim 1-6 any one of them clutch fluid pressure control systems, it is characterised in that in the oil feed pump Input terminal be communicated with filter；The filter is connected with the oil sump.
- A kind of 10. hybrid power system, it is characterised in that including：Motor, engine, gearbox and claim 1-9 are any Clutch fluid pressure control system described in；In the engine working mode, the C0 clutches of the clutch fluid pressure control system are in bonding state, the hair Motivation is connected with the gearbox, drives the gearbox to work；Under electric-only mode, the motor drives the gearbox work, and the C0 clutches are in discrete state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711499583.7A CN108019442B (en) | 2017-12-30 | 2017-12-30 | Clutch hydraulic control system and hybrid power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711499583.7A CN108019442B (en) | 2017-12-30 | 2017-12-30 | Clutch hydraulic control system and hybrid power system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108019442A true CN108019442A (en) | 2018-05-11 |
| CN108019442B CN108019442B (en) | 2024-04-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792646A (en) * | 2019-11-26 | 2020-02-14 | 贵州凯星液力传动机械有限公司 | Clutch and oil cylinder integrated control hydraulic system |
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