CN106763722A - Double-clutch automatic gearbox hydraulic system - Google Patents
Double-clutch automatic gearbox hydraulic system Download PDFInfo
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- CN106763722A CN106763722A CN201710126552.0A CN201710126552A CN106763722A CN 106763722 A CN106763722 A CN 106763722A CN 201710126552 A CN201710126552 A CN 201710126552A CN 106763722 A CN106763722 A CN 106763722A
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- valve
- clutch control
- odd number
- number shelves
- powered
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
- F16H61/0265—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
- F16H61/0265—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals
- F16H61/0267—Layout of hydraulic control circuits, e.g. arrangement of valves
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
- F16H61/0276—Elements specially adapted for hydraulic control units, e.g. valves
- F16H2061/0279—Details of hydraulic valves, e.g. lands, ports, spools or springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The present invention relates to a kind of double-clutch automatic gearbox（DCT）Hydraulic system, including working connection, cooling oil path, lubricant passage way, clutch control oil circuit, synchronizer manipulates oil circuit, and what is taken is the symmetrical form of series-parallel connection, i.e. two clutch control oil circuits are in parallel, and manipulating oil circuit with synchronizer per road clutch control oil circuit connects, and gearshift oil circuit is in parallel.The control valve and auxiliary element of hydraulic system, including check valve, two-position two-way solenoid valve, two-position three way three-way electromagnetic valve, for controlling the flow direction of fluid in whole hydraulic circuit；Including electro liquid proportion pressure valve, hydraulic jack, accumulator, sensor, filter, for controlling the separation of double clutch and combining.This hydraulic system arrangement form is based on a kind of new double-clutch automatic gearbox（DCT）Driveline arrangement form, i.e., a pair of travelling gears, according to odd number shelves or the different bonding states of even gear clutch, are capable of achieving two gears.Therefore, this hydraulic system has simple structure, easy to control, saves the characteristic of manufacturing cost.
Description
Technical field
The present invention relates to double-clutch automatic gearbox（DCT）Hydraulic system, belongs to the automatic transmission hydraulic pressure of automobile industry
Control field.
Background technology
Double-clutch automatic gearbox（DCT）It is that current market is got on the car and uses more popular speed changer.It is in gearshift
During, power interruption is there's almost no, so there is no obvious decelerating effect during gearshift.Simultaneously, the time of gearshift is big
Big to reduce, the process of a gearshift probably only needs to 200ms, so as to substantially improve the dynamic property of automobile.Additionally, by right
The deciphering of DCT internal structures, for traditional speed changer, the economy of fuel oil is also significantly improved.
For the requirement of such speed changer, key technology is the separation and combination of clutch in shift process,
The motion state of synchronizer.Therefore, it is higher for automotive control system requirement.The control system of DCT includes electronic control system
And hydraulic control system.Electronic control system is essentially consisted in the collection of data and makes logical operation, sends control instruction.
Hydraulic control system essentially consists in the instruction of response electronic control system, directly performs gearshift program.
The content of the invention
It is an object of the invention to be based on the analysis to existing popular DCT hydraulic circuits, there is provided a kind of easily controllable
Double-clutch automatic gearbox（DCT）Hydraulic system.
A kind of double-clutch automatic gearbox hydraulic system proposed by the present invention, including working connection, cooling oil path, lubricating oil
Road, clutch control oil circuit and synchronizer manipulate oil circuit, and clutch control oil circuit is including even gear clutch control oil circuit and very
Several grades of clutch control oil circuits, working connection is divided into three tunnels, and respectively cooling oil path, lubricant passage way and synchronizer manipulates oil circuit, together
Step device manipulates oil circuit and is connected with even gear clutch control oil circuit and odd number shelves clutch control oil circuit respectively, even gear clutch
Manipulate oil circuit and odd number shelves clutch control oil circuit is in parallel, and be symmetrically distributed in synchronizer pilot oil on both sides of the road；Wherein：
Even gear clutch control oil circuit is by even gear filter 6, even gear opening valve 4, the second check valve 5, even gear clutch
Device controls valve 7, and even gear clutch control oil cylinder 10, second sensor 8 is constituted with the second accumulator 9；4 points of even gear opening valve
It is not connected with the check valve 5 of even gear filter 6 and second, even gear filter 6 is connected with even gear clutch control valve 7, it is even
Several grades of clutch control valves 7 are connected with second sensor 8, and second sensor 8 is connected with the second accumulator 9, the second accumulator 9 with
Even gear clutch control oil cylinder 10 is connected, and even gear clutch control oil cylinder 10 is connected with even gear clutch, even gear
Clutch control oil cylinder 10 is used for the separation for controlling even number to keep off clutch and combination.Odd number shelves clutch control oil circuit is by odd number shelves
Filter 1, odd number shelves opening valve 2, the first check valve 3, odd number shelves clutch control valve 20, odd number shelves clutch control oil cylinder
17, first sensor 19 is constituted with the first accumulator 18；Odd number shelves opening valve 2 is unidirectional with odd number shelves filter 1 and first respectively
Valve 3 is connected, and odd number shelves filter 1 is connected with odd number shelves clutch control valve 20, and odd number shelves clutch control valve 20 and first is passed
Sensor 19 is connected, and first sensor 19 is connected with the first accumulator 18, the first accumulator 18 and odd number shelves clutch control oil cylinder
17 connections, odd number shelves clutch control oil cylinder 17 is connected with odd number shelves clutch, and odd number shelves clutch control oil cylinder 17 is used for
The separation and combination of control odd number gear clutch；
Synchronizer manipulate oil circuit on, the first check valve 3, the second check valve 5 respectively with the first two-position three way magnetic valve 11, second
Two-position three way magnetic valve 13, the 3rd two-position three way magnetic valve 14, the 4th two-position three way magnetic valve 16 are connected；
First two-position three way magnetic valve 11, the second two-position three way magnetic valve 13 manipulate oil cylinder 12 and are connected with the first synchronizer respectively,
First synchronizer manipulates oil cylinder 12 and is connected with one, two, five, six grades of synchronizers 24, one, two, five, six grades of synchronizers 24 respectively with
First, two grades of driven pulleys, 26 and five, six grades of driven pulleys 25 are connected；
3rd two-position three way magnetic valve 14, the 4th two-position three way magnetic valve 16 manipulate oil cylinder 15 and are connected with the second synchronizer respectively,
Second synchronizer manipulate oil cylinder 15 be connected with R1, R2, three, fourth gear synchronizer 21, R1, R2, three, fourth gear synchronizer 21 respectively with
R1, R2 grade of driven pulley 22 and three, fourth gear driven pulley 23 is connected.
In the present invention, because R1, R2, three, fourth gear synchronizer 21 are driven with R1, R2 grade of driven pulley 22 and three, fourth gear respectively
Wheel 23 is connected, and one, two, five, six grades of synchronizers 24 are connected with one, two grades of driven pulleys, 26 and five, six grades of driven pulleys 25 respectively, and
R1, R2, three, fourth gear synchronizer 21 manipulate oil cylinder 15 and control by the second synchronizer, and one, two, five, six grades of synchronizers 24 are same by first
Step device manipulates oil cylinder 12 and controls, and realizes that first is same by the first two-position three way magnetic valve 11, the second two-position three way magnetic valve 13
Step device manipulates oil cylinder 12 and moves left and right, by the first synchronizer manipulate oil cylinder 12 move left and right control speed changer one, two,
5th, six totally four conversion of gear；Second is realized by the 3rd two-position three way magnetic valve 14, the 4th two-position three way magnetic valve 16
Synchronizer manipulates oil cylinder 15 and moves left and right, by the second synchronizer manipulate oil cylinder 15 move left and right control speed changer R1,
Totally four conversion of gear of R2, three, four.
In the present invention, speed changer is when different gears are exported, and the control logic of magnetic valve is as follows：
When choosing for one grade：Odd number shelves opening valve 2 is powered, and the second two-position three way magnetic valve 13 is powered, odd number shelves clutch control
Valve 20 is powered；
When rising two grades for one grade：Odd number shelves clutch control valve 20 is powered off, and even gear opening valve 4 is powered, and odd number shelves opening valve 2 is broken
Electricity, even gear clutch control valve 7 is powered；
When third gear is risen for two grades：Even gear clutch control valve 7 is powered off, and the second two-position three way magnetic valve 13 is powered off, and even gear is opened
Open valve 4 to power off, odd number shelves opening valve 2 is powered, and the 4th two-position three way magnetic valve 16 is powered, odd number shelves clutch control valve 20 leads to
Electricity；
When third gear rises fourth gear：Odd number shelves clutch control valve 20 is powered off, and even gear opening valve 4 is powered, and odd number shelves opening valve 2 is broken
Electricity, even gear clutch control valve 7 is powered；
When fourth gear rises five grades：Even gear clutch control valve 7 is powered off, and the 4th two-position three way magnetic valve 16 is powered off, and even gear is opened
Open valve 4 to power off, odd number shelves opening valve 2 is powered, and the first two-position three way magnetic valve 11 is powered, odd number shelves clutch control valve 20 leads to
Electricity；
When rising six grades for five grades：Odd number shelves clutch control valve 20 is powered off, and even gear opening valve 4 is powered, and odd number shelves opening valve 2 is broken
Electricity, even gear clutch control valve 7 is powered；
In R1, R2 grades of selection：3rd two-position three way magnetic valve 14 is powered；Now, the selection of R1, R2 gear depends on opening strange
The energization situation of several grades of opening valves 2 and even gear opening valve 4；It it is R1 grades, if even gear is opened if odd number shelves opening valve 2 is powered
Open valve 4 to be powered, be then R2 grades.
The technical proposal of the invention is realized in this way：On the whole, including working connection, cooling oil path, lubricant passage way, clutch
Device manipulates oil circuit, and synchronizer manipulates oil circuit, and what is taken is the symmetrical form of series-parallel connection, i.e., two clutch control oil circuits are in parallel,
Oil circuit is manipulated per road clutch control oil circuit with synchronizer to connect, gearshift oil circuit is in parallel.The control valve of hydraulic system and auxiliary unit
Part, including check valve, two-position two-way solenoid valve, two-position three way three-way electromagnetic valve, for controlling the stream of fluid in whole hydraulic circuit
Dynamic direction；Including electro liquid proportion pressure valve, hydraulic jack, accumulator, sensor, filter, for controlling dividing for double clutch
From with combination.This hydraulic system arrangement form is based on a kind of new double-clutch automatic gearbox（DCT）Driveline arrangement
Form, i.e., a pair of travelling gears, according to odd number shelves or the different bonding states of even gear clutch, are capable of achieving two gears.
It is an advantage of the invention that：In the case where identical gearshift quantity is realized, the number of magnetic valve is reduced, that is, reduce change
The possibility that fast device breaks down, is more beneficial for the operation of electronic control system.Reduce the physical dimension of whole application valve body, profit
In the structure arrangement and circuit arrangement of whole speed changer, it is easy to automotive light weight technology.
Brief description of the drawings
Fig. 1 is arrangement form hydraulic schematic diagram of the invention；
Label in figure：1st, odd number shelves filter；2nd, odd number shelves opening valve；3rd, the first check valve；4th, even gear opening valve；5th, second
Check valve；6th, even gear filter；7th, even gear clutch control valve；8th, second sensor；9th, the second accumulator；10th, even number
Shelves clutch control oil cylinder；11st, the first two-position three way magnetic valve；12nd, the first synchronizer manipulates oil cylinder；13rd, the second two-position three way
Magnetic valve；14th, the 3rd two-position three way magnetic valve；15th, the second synchronizer manipulates oil cylinder；16th, the 4th two-position three way magnetic valve；17、
Odd number shelves clutch control oil cylinder；18th, the first accumulator；19th, first sensor；20th, odd number shelves clutch control valve；21、R1、
R2, three, fourth gear synchronizer；22nd, R1, R2 grade of driven pulley；23rd, three, fourth gear driven pulley；24th, one, two, five, six grades of synchronizers；25、
5th, six grades of driven pulleys；26th, one, two grades of driven pulleys.
Specific embodiment
The present invention is further illustrated below by embodiment combination accompanying drawing.
Embodiment 1：With reference to Fig. 1, the double-clutch speed changer of present invention arrangement（DCT）Hydraulic system structure is as follows：Working connection,
Cooling oil path, lubricant passage way, clutch control oil circuit, synchronizer manipulates oil circuit.Odd number shelves are disposed with clutch control oil circuit
Filter 1, even gear filter 6, even gear clutch control valve 7, odd number shelves clutch control valve 20, first sensor 19,
Second sensor 8, the first accumulator 18, the second accumulator 9, even gear clutch control oil cylinder 10, odd number shelves clutch control
Oil cylinder 17；Synchronizer to be manipulated and be disposed with the first check valve 3, the second check valve 5 on oil circuit, the first two-position three way magnetic valve 11, the
Two two-position three way magnetic valves 13, the 3rd two-position three way magnetic valve 14, the 4th two-position three way magnetic valve 16；Whole gearshift oil circuit is by idol
Whether several grades of opening valves 2 and odd number shelves opening valve 4 determine break-make.
In even gear clutch control oil circuit, even gear opening valve 4 respectively with the check valve of even gear filter 6 and second
5 connections, even gear filter 6 is connected with even gear clutch control valve 7, even gear clutch control valve 7 and second sensor
19 connections, second sensor 19 is connected with the second accumulator 18, and the second accumulator 18 connects with even gear clutch control oil cylinder 10
Connect, even gear clutch control oil cylinder 10 is connected with even gear clutch, even gear clutch control oil cylinder 10 is used for controlling
The separation and combination of even number gear clutch.
In odd number shelves clutch control oil circuit, odd number shelves opening valve 2 connects with the odd number shelves check valve 3 of filter 1 and first respectively
Connect, odd number shelves filter 1 and odd number shelves clutch control valve 20 is connected, odd number shelves clutch control valve 20 and first sensor 19
Connection, first sensor 19 is connected with the first accumulator 18, and the first accumulator 18 is connected with odd number shelves clutch control oil cylinder 17,
Odd number shelves clutch control oil cylinder 17 is connected with odd number shelves clutch, and odd number shelves clutch control oil cylinder 17 is used for controlling odd number
Keep off the separation of clutch and combine.
Synchronizer manipulate oil circuit on, the first check valve 3, the second check valve 5 respectively with the first two-position three way magnetic valve 11,
Second two-position three way magnetic valve 13, the 3rd two-position three way magnetic valve 14, the 4th two-position three way magnetic valve 16 are connected.
First two-position three way magnetic valve 11, the second two-position three way magnetic valve 13 manipulate oil cylinder 12 and connect with the first synchronizer respectively
Connect, the first synchronizer manipulates oil cylinder 12 and is connected with one, two, five, six grades of synchronizers 24, and one, two, five, six grades of synchronizers 24 are distinguished
It is connected with one, two grades of driven pulleys, 26 and five, six grades of driven pulleys 25.
3rd two-position three way magnetic valve 14, the 4th two-position three way magnetic valve 16 manipulate oil cylinder 15 with the second synchronizer respectively
Connection, the second synchronizer manipulates oil cylinder 15 and is connected with R1, R2, three, fourth gear synchronizer 21, R1, R2, three, 21 points of fourth gear synchronizer
It is not connected with R1, R2 grade of driven pulley 22 and three, fourth gear driven pulley 23.
Speed changer is when different gears are exported, and the control logic of magnetic valve is as described in Table 1.
Table 1
When choosing for one grade：Odd number shelves opening valve 2 is powered, and the second two-position three way magnetic valve 13 is powered, odd number shelves clutch control
Valve 20 is powered.
When rising two grades for one grade：Odd number shelves clutch control valve 20 is powered off, and even gear opening valve 4 is powered, and odd number shelves are opened
Valve 2 is powered off, and even gear clutch control valve 7 is powered.
When third gear is risen for two grades：Even gear clutch control valve 7 is powered off, and the second two-position three way magnetic valve 13 is powered off, even number
Shelves opening valve 4 is powered off, and odd number shelves opening valve 2 is powered, and the 4th two-position three way magnetic valve 16 is powered, odd number shelves clutch control valve 20
It is powered.
When third gear rises fourth gear：Odd number shelves clutch control valve 20 is powered off, and even gear opening valve 4 is powered, and odd number shelves are opened
Valve 2 is powered off, and even gear clutch control valve 7 is powered.
When fourth gear rises five grades：Even gear clutch control valve 7 is powered off, and the 4th two-position three way magnetic valve 16 is powered off, even number
Shelves opening valve 4 is powered off, and odd number shelves opening valve 2 is powered, and the first two-position three way magnetic valve 11 is powered, odd number shelves clutch control valve 20
It is powered.
When rising six grades for five grades：Odd number shelves clutch control valve 20 is powered off, and even gear opening valve 4 is powered, and odd number shelves are opened
Valve 2 is powered off, and even gear clutch control valve 7 is powered.
In R1, R2 grades of selection：3rd two-position three way magnetic valve 14 is powered.Now, the selection of R1, R2 gear depends on opening
Open valve 2,4, the energization situation of clutch control valve 7,20, as described in Table 1.
During neutral gear：First two-position three way magnetic valve 11, the second two-position three way magnetic valve 13, the 3rd two-position three way magnetic valve
14, the 4th two-position three way magnetic valve 16 is powered off, and now two synchronizers are in centre position.
In theory, the shifting up operation of speed changer should in sequence be completed.Trip stop is allowed during downshift, during downshift
The energization situation of magnetic valve is similar with shifting up operation, repeats no more here.
Although herein in relation to multiple explanations of the invention, invention has been described, however, it is to be understood that this area
Technical staff can be designed that a lot of other arrangements, these arrangements will fall in spirit disclosed in the present application and
Within spirit.
Claims (3)
1. a kind of double-clutch automatic gearbox hydraulic system, including working connection, cooling oil path, lubricant passage way, clutch control oil
Road and synchronizer manipulate oil circuit, it is characterised in that：Clutch control oil circuit includes even gear clutch control oil circuit and odd number shelves
Clutch control oil circuit, working connection is divided into three tunnels, and respectively cooling oil path, lubricant passage way and synchronizer manipulates oil circuit, synchronizer
Manipulate oil circuit to be connected with even gear clutch control oil circuit and odd number shelves clutch control oil circuit respectively, even gear clutch control
Oil circuit and odd number shelves clutch control oil circuit are in parallel, and are symmetrically distributed in synchronizer pilot oil on both sides of the road；Wherein：
Even gear clutch control oil circuit is by even gear filter (6), even gear opening valve (4), the second check valve (5), even number
Shelves clutch control valve (7), even gear clutch control oil cylinder（10）, second sensor（8）With the second accumulator（9）Composition；
Even gear opening valve (4) is connected with even gear filter (6) and the second check valve (5) respectively, even gear filter (6) and even number
Shelves clutch control valve (7) connection, even gear clutch control valve (7) and second sensor（8）Connection, second sensor（8）
With the second accumulator（9）Connection, the second accumulator（9）With even gear clutch control oil cylinder（10）Connection, even gear clutch
Control cylinder（10）It is connected with even gear clutch, even gear clutch control oil cylinder（10）For controlling even number to keep off clutch
Separation with combine；Odd number shelves clutch control oil circuit is by odd number shelves filter (1), odd number shelves opening valve (2), the first check valve
(3), odd number shelves clutch control valve (20), odd number shelves clutch control oil cylinder（17）, first sensor（19）With the first accumulation of energy
Device（18）Composition；Odd number shelves opening valve (2) is connected with odd number shelves filter (1) and the first check valve (3) respectively, odd number shelves filtering
Device (1) and odd number shelves clutch control valve (20) be connecteds, odd number grade clutch control valve (20) and first sensor（19）Connection,
First sensor（19）With the first accumulator（18）Connection, the first accumulator（18）With odd number shelves clutch control oil cylinder（17）Even
Connect, odd number shelves clutch control oil cylinder（17）It is connected with odd number shelves clutch, odd number shelves clutch control oil cylinder（17）It is used for
The separation and combination of control odd number gear clutch；
Synchronizer manipulate oil circuit on, the first check valve (3), the second check valve (5) respectively with the first two-position three way magnetic valve
(11), the second two-position three way magnetic valve (13), the 3rd two-position three way magnetic valve (14), the 4th two-position three way magnetic valve (16) connect
Connect；
First two-position three way magnetic valve (11), the second two-position three way magnetic valve (13) manipulate oil cylinder with the first synchronizer respectively（12）
Connection, the first synchronizer manipulates oil cylinder（12）With one, two, five, six grades of synchronizers（24）Connection, one, two, five, six grades of synchronizers
（24）Respectively with one, two grades of driven pulleys（26）With five, six grades of driven pulleys（25）Connection；
3rd two-position three way magnetic valve (14), the 4th two-position three way magnetic valve (16) manipulate oil cylinder with the second synchronizer respectively
（15）Connection, the second synchronizer manipulates oil cylinder（15）With R1, R2, three, fourth gear synchronizer（21）Connection, R1, R2, three, fourth gear it is same
Step device（21）Respectively with R1, R2 grade of driven pulley（22）With three, fourth gear driven pulley（23）Connection.
2. double-clutch automatic gearbox hydraulic system according to claim 1, it is characterised in that：Due to R1, R2, three, four
Shelves synchronizer（21）Respectively with R1, R2 grade of driven pulley（22）With three, fourth gear driven pulley（23）Connection, one, two, five, six grades of synchronizations
Device（24）Respectively with one, two grades of driven pulleys（26）With five, six grades of driven pulleys（25）Connection, and R1, R2, three, fourth gear synchronizer
（21）Oil cylinder is manipulated by the second synchronizer（15）Control, one, two, five, six grades of synchronizers（24）Oil cylinder is manipulated by the first synchronizer
（12）Control, realizes that the first synchronizer is grasped by the first two-position three way magnetic valve (11), the second two-position three way magnetic valve (13)
Vertical oil cylinder（12）Move left and right, by the first synchronizer manipulate oil cylinder（12）Move left and right control speed changer one, two,
5th, six totally four conversion of gear；Realized by the 3rd two-position three way magnetic valve (14), the 4th two-position three way magnetic valve (16)
Second synchronizer manipulates oil cylinder（15）Move left and right, by the second synchronizer manipulate oil cylinder（15）Move left and right control become
Fast device R1, R2, three, four totally four conversion of gear.
3. double-clutch automatic gearbox hydraulic system according to claim 1, it is characterised in that：Speed changer is different in output
During gear, the control logic of magnetic valve is as follows：
When choosing for one grade：Odd number shelves opening valve (2) is powered, and the second two-position three way magnetic valve (13) is powered, odd number shelves clutch
Control valve (20) is powered；
When rising two grades for one grade：Odd number shelves clutch control valve (20) power-off, even gear opening valve (4) is powered, and odd number shelves are opened
Valve (2) is powered off, and even gear clutch control valve (7) is powered；
When third gear is risen for two grades：Even gear clutch control valve (7) is powered off, the second two-position three way magnetic valve (13) power-off, even number
Shelves opening valve (4) power-off, odd number shelves opening valve (2) is powered, and the 4th two-position three way magnetic valve (16) is powered, odd number shelves clutch control
Valve (20) processed is powered；
When third gear rises fourth gear：Odd number shelves clutch control valve (20) power-off, even gear opening valve (4) is powered, and odd number shelves are opened
Valve (2) is powered off, and even gear clutch control valve (7) is powered；
When fourth gear rises five grades：Even gear clutch control valve (7) is powered off, the power-off of the 4th two-position three way magnetic valve (16), even number
Shelves opening valve (4) power-off, odd number shelves opening valve (2) is powered, and the first two-position three way magnetic valve (11) is powered, odd number shelves clutch control
Valve (20) processed is powered；
When rising six grades for five grades：Odd number shelves clutch control valve (20) power-off, even gear opening valve (4) is powered, and odd number shelves are opened
Valve (2) is powered off, and even gear clutch control valve (7) is powered；
In R1, R2 grades of selection：3rd two-position three way magnetic valve (14) is powered；Now, the selection of R1, R2 gear depends on opening
The energization situation of even gear opening valve (4) and odd number shelves opening valve (2)；It is R1 grades if odd number shelves opening valve (2) is powered, if
Even gear opening valve (4) is powered, then be R2 grades.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710126552.0A CN106763722A (en) | 2017-03-06 | 2017-03-06 | Double-clutch automatic gearbox hydraulic system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710126552.0A CN106763722A (en) | 2017-03-06 | 2017-03-06 | Double-clutch automatic gearbox hydraulic system |
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| CN201710126552.0A Pending CN106763722A (en) | 2017-03-06 | 2017-03-06 | Double-clutch automatic gearbox hydraulic system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387747A (en) * | 2017-09-06 | 2017-11-24 | 重庆青山工业有限责任公司 | The clutch fluid pressure control system of double-clutch automatic gearbox |
| CN112145667A (en) * | 2019-06-28 | 2020-12-29 | 长城汽车股份有限公司 | Hydraulic control system for dual clutch transmission |
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Application publication date: 20170531 |