CN107448598B - A kind of clutch control of gearbox - Google Patents
A kind of clutch control of gearbox Download PDFInfo
- Publication number
- CN107448598B CN107448598B CN201710640243.5A CN201710640243A CN107448598B CN 107448598 B CN107448598 B CN 107448598B CN 201710640243 A CN201710640243 A CN 201710640243A CN 107448598 B CN107448598 B CN 107448598B
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- Prior art keywords
- slide valve
- mechanical slide
- oil
- control
- valve
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Classifications
-
- 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
- F16H61/0021—Generation or control of line pressure
- F16H61/0025—Supply of control fluid; Pumps therefore
-
- 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
- F16D48/02—Control by fluid pressure
- F16D48/0206—Control by fluid pressure in a system with a plurality of fluid-actuated clutches
-
- 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
- F16D48/02—Control by fluid pressure
- F16D2048/0203—Control by fluid pressure with an accumulator; Details thereof
-
- 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
- F16D48/02—Control by fluid pressure
- F16D2048/0257—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof
- F16D2048/0266—Actively controlled valves between pressure source and actuation cylinder
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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
- F16D48/02—Control by fluid pressure
- F16D2048/0257—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof
- F16D2048/0287—Hydraulic circuits combining clutch actuation and other hydraulic systems
- F16D2048/029—Hydraulic circuits combining clutch actuation with clutch lubrication or cooling
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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
- F16H61/0021—Generation or control of line pressure
- F16H2061/0034—Accumulators for fluid pressure supply; Control thereof
-
- 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
- F16H61/0021—Generation or control of line pressure
- F16H2061/0037—Generation or control of line pressure characterised by controlled fluid supply to lubrication circuits of the gearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a kind of clutch controls of gearbox, it include: oil sump, filter, lubricating oil pump, the first control solenoid valve, the second control solenoid valve, the first mechanical slide valve, the second mechanical slide valve, first clutch and second clutch, utilize the form of solenoid valve control mechanical slide valve, i.e. by the conducting of first control the first mechanical slide valve of solenoid valve control oil circuit and the conducting of second control the second mechanical slide valve of solenoid valve control oil circuit, so that the oil in each oil circuit reaches corresponding clutch；The aperture adjusting range of mechanical slide valve is larger, and is controlled by solenoid valve, meanwhile, the oil inlet of mechanical slide valve is directly connected to the supply oil circuit of lubricating oil pump, so as to realize the through-current capability of big flow, enables clutch is timely and effective to fill；By the way that spare controlling brancher is arranged, even if the first control solenoid valve and the second control solenoid valve failure, oil can reach two clutches by spare controlling brancher, guarantee the normal work of clutch.
Description
Technical field
The present invention relates to vehicle gear box field more particularly to a kind of clutch controls of gearbox.
Background technique
As Chinese market is got on the car being continuously increased of sales volume, for being matched with automatic gear-box vehicle on domestic market
Demand is also being continuously increased simultaneously, and domestic majority main engine plants have also carried out the research and development of dual-clutch transmission.For hydraulic
The control of system clutch device and the design of lubricating system, are a highly important links.
In existing scheme, two clutches are connected respectively two solenoid valves, are connected by solenoid valve and oil circuit
It connects.
For clutch during filling, the flow of the oil of demand is larger, and still, due to solenoid valve, this body structure leads to it
Opening degree is smaller, directly controls clutch flow using solenoid valve, cause by oil flow it is too small, and then lead to clutch
It timely and effective cannot fill.
Summary of the invention
The object of the present invention is to provide a kind of clutch controls of gearbox, to solve the problems of the prior art,
Suitable flow is provided to clutch, guarantees the timely and effective filling of clutch.
The present invention provides a kind of clutch control of gearbox, and the clutch control includes: oil sump, filtering
Device, lubricating oil pump, the first control solenoid valve, the second control solenoid valve, the first mechanical slide valve, the second mechanical slide valve, first clutch
With second clutch, the oil sump, filter, lubricating oil pump are sequentially connected with, and the oil outlet of the lubricating oil pump is respectively with described first
Control oil inlet, the second control oil inlet of solenoid valve, the oil inlet of the first mechanical slide valve, the second mechanical slide valve of solenoid valve
Oil inlet connection, the oil outlet of the first mechanical slide valve, the second mechanical slide valve oil outlet respectively with first clutch, the second clutch
Device connection, and the oil outlet of the oil outlet of the first control solenoid valve, the second control solenoid valve respectively with the first mechanical slide valve the
One control terminal, the connection of the first control terminal of the second mechanical slide valve.
Preferably, the clutch control further includes that pressure adjusts mechanical slide valve, the pressure adjusts mechanical sliding
Valve setting is between lubricating oil pump and the first control solenoid valve, between lubricating oil pump and the second control solenoid valve, the oil outlet of lubricating oil pump
The oil inlet of the control terminal, pressure adjusting mechanical slide valve that adjust mechanical slide valve with pressure respectively is connect, and pressure adjusts mechanical slide
The oil outlet of valve is connect with the oil inlet of the oil inlet of the first control solenoid valve, the second control solenoid valve respectively.
Preferably, the clutch control of the gearbox further includes spare controlling brancher, the spare control branch
Road one end is connect with the oil outlet that pressure adjusts mechanical slide valve, and the other end connects with the first mechanical slide valve, the second mechanical slide valve respectively
It connects.
Preferably, the spare controlling brancher includes the first secure mechanical slide valve, the second secure mechanical slide valve and safety
Solenoid valve, pressure adjust oil inlet of the oil outlet of mechanical slide valve also with the oil inlet of security solenoid valve, the first secure mechanical slide valve
Mouth is separately connected, and the oil outlet of the first secure mechanical slide valve is pacified with the first oil inlet of the second secure mechanical slide valve, second respectively
The second oil inlet connection of full mechanical slide valve, and the first oil outlet of the second secure mechanical slide valve, the second secure mechanical slide valve
Second oil outlet is connect with the second control terminal of the first mechanical slide valve, the second control terminal of the second mechanical slide valve respectively, the second peace
The first control terminal, the second control terminal of the second secure mechanical slide valve of full mechanical slide valve are fuel-displaced with the first mechanical slide valve respectively
The oil outlet connection of mouth, the second mechanical slide valve, the oil outlet of security solenoid valve are connect with the control terminal of the first secure mechanical slide valve.
Preferably, the clutch control further includes cooling branch, described cooling branch one end and lubricating oil pump
Oil outlet connection, the other end are connect with first clutch, second clutch respectively.
Preferably, the cooling branch includes the first cooling mechanical slide valve, the second cooling mechanical slide valve, cooler and the
Three cool down mechanical slide valves, and the oil outlet of lubricating oil pump also cools down mechanical slide valve with the oil inlet of the first cooling mechanical slide valve, first
First control terminal is separately connected, the oil outlet of the first cooling mechanical slide valve respectively with the oil inlet of the second cooling mechanical slide valve, the
The oil inlet connection of the control terminal, cooler of two cooling mechanical slide valves, the oil outlet of the second cooling mechanical slide valve and filter
The oil outlet of oil outlet connection, cooler is connect with the oil inlet of the cooling mechanical slide valve of third, and the cooling mechanical slide valve of third goes out
Hydraulic fluid port is connect with first clutch, second clutch respectively, the first control terminal and security solenoid valve of the cooling mechanical slide valve of third
Oil outlet connection.
Preferably, second control terminal of the oil outlet of the first secure mechanical slide valve also with the first cooling mechanical slide valve connects
It connects.
Preferably, second control terminal of the oil outlet of the cooling mechanical slide valve of third also with the cooling mechanical slide valve of third connects
It connects.
Preferably, the cooling branch further includes check valve, the check valve is arranged in parallel with the cooler, described
Check valve one end is connect with the oil outlet of the first cooling mechanical slide valve, and the oil inlet of the other end and the cooling mechanical slide valve of third connects
It connects.
Preferably, the clutch control further includes accumulator, the oil outlet of the first control solenoid valve, second
The oil outlet of the oil outlet and security solenoid valve that control solenoid valve is provided with the accumulator.
The clutch control of gearbox provided by the invention, using the shape using solenoid valve control mechanical slide valve
Formula passes through the conducting of first control the first mechanical slide valve of solenoid valve control oil circuit and the second control solenoid valve control second
The conducting of mechanical slide valve oil circuit, so that the oil in each oil circuit reaches corresponding clutch；The aperture of mechanical slide valve adjusts model
It encloses larger, and is controlled by solenoid valve, meanwhile, the oil inlet of mechanical slide valve is directly connected to the supply oil circuit of lubricating oil pump,
So as to realize the through-current capability of big flow, enable clutch is timely and effective to fill；In addition, the present invention is standby by being arranged
With controlling brancher, even if the first control solenoid valve and the second control solenoid valve are in the case of a fault, the oil in oil circuit can pass through
Spare controlling brancher reaches two clutches, guarantees the normal work of clutch.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the clutch control of gearbox provided in an embodiment of the present invention；
Fig. 2 is the enlarged diagram of Fig. 1 left-half；
Fig. 3 is the enlarged diagram of Fig. 1 right half part.
1- oil sump, 2- filter, 3- lubricating oil pump, 4- pressure adjust mechanical slide valve, the cooling mechanical slide valve of 5- first, 6- second
Cooling mechanical slide valve, 7- check valve, 8- cooler, the cooling mechanical slide valve of 9- third, 10- the first secure mechanical slide valve, 11- safety
Solenoid valve, 12- the second secure mechanical slide valve, 13- first clutch, 14- second clutch, 15- first pressure sensor, 16-
Second pressure sensor, the first mechanical slide valve of 17-, the second mechanical slide valve of 18-, 19- first control solenoid valve, and 20- second is controlled
Solenoid valve, 21- accumulator.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
As shown in Figure 1-Figure 3, the embodiment of the present invention provides a kind of clutch control of gearbox, the clutch control
System processed includes: oil sump 1, filter 2, the control control of solenoid valve 19, second the 20, the first mechanical cunning of solenoid valve of lubricating oil pump 3, first
Valve 17, the second mechanical slide valve 18, first clutch 13 and second clutch 14, the oil sump 1, filter 2, lubricating oil pump 3 are sequentially
Connection, the oil outlet of the lubricating oil pump 3 control solenoid valve with the oil inlet 19P of the first control solenoid valve 19, second respectively
The oil inlet 18P connection of 20 oil inlet 20P, the oil inlet 17P of the first mechanical slide valve 17, the second mechanical slide valve 18, the first machine
The oil outlet 17B of tool slide valve 17, the second mechanical slide valve 18 oil outlet 18B respectively with first clutch 13, second clutch 14
Connection, and the oil outlet 20B of the oil outlet 19B of the first control solenoid valve 19, the second control solenoid valve 20 are mechanical with first respectively
The first control terminal 18A1 connection of the first control terminal 17A1, the second mechanical slide valve 18 of slide valve 17.
The clutch control of gearbox provided by the invention, using the shape using solenoid valve control mechanical slide valve
Formula controls the conducting of 17 oil circuit of the first mechanical slide valve by the first control solenoid valve 19 and the second control solenoid valve 20 is controlled
The conducting of 18 oil circuit of the second mechanical slide valve is made, so that the oil in each oil circuit reaches corresponding clutch；Mechanical slide valve is opened
It is larger to spend adjusting range, and is controlled by solenoid valve, meanwhile, the oil inlet of mechanical slide valve is directly connected to lubricating oil pump 3
It supplies oil circuit and enables clutch is timely and effective to fill so as to realize the through-current capability of big flow.
As shown in Figure 1-Figure 3, described preferably, the clutch control further includes that pressure adjusts mechanical slide valve 4
Pressure adjusting mechanical slide valve 4 setting is between lubricating oil pump 3 and the first control solenoid valve 19, lubricating oil pump 3 and second controls solenoid valve
Between 20, the oil outlet of lubricating oil pump 3 adjusts the control terminal 4A of mechanical slide valve 4 with pressure respectively, pressure adjust mechanical slide valve 4 into
Hydraulic fluid port 4P connection, and pressure adjust the oil outlet 4B of mechanical slide valve 4 respectively with the oil inlet 19P of the first control solenoid valve 19, the
The oil inlet 20P connection of two control solenoid valves 20.Pressure adjusts the effect that mechanical slide valve 4 realizes flow control.
As shown in Figure 1-Figure 3, preferably, the clutch control of the gearbox further includes spare controlling brancher,
The oil outlet that described spare controlling brancher one end and pressure adjust mechanical slide valve 4 is connect, the other end respectively with the first mechanical slide valve
17, the second mechanical slide valve 18 connects.Preferably, the spare controlling brancher is pacified including the first secure mechanical slide valve 10, second
Full mechanical slide valve 12 and security solenoid valve 11, pressure adjust oil inlet of the oil outlet 4B of mechanical slide valve 4 also with security solenoid valve 11
Mouthful 11P, the first secure mechanical slide valve 10 oil inlet 10P be separately connected, the oil outlet 10B difference of the first secure mechanical slide valve 10
It is connect with the second oil inlet 12P1 of the first oil inlet 12P2 of the second secure mechanical slide valve 12, the second secure mechanical slide valve 12,
And the second oil outlet 12B1 of the second first oil outlet 12B2 of secure mechanical slide valve 12, the second secure mechanical slide valve 12 respectively with
The second control terminal 18A2 connection of the second control terminal 17A2, the second mechanical slide valve 18 of first mechanical slide valve 17, the second safe machine
First control terminal 12A2 of tool slide valve 12, the second secure mechanical slide valve 12 the second control terminal 12A1 respectively with the first mechanical slide valve
The oil outlet 18B connection of 17 oil outlet 17B, the second mechanical slide valve 18, the safety of the oil outlet 11B of security solenoid valve 11 and first
The control terminal 10A1 connection of mechanical slide valve 10.
The present invention is by being arranged spare controlling brancher, even if the first control solenoid valve 19 and the second control solenoid valve 20 are in event
In the case where barrier, the oil in oil circuit can reach two clutches by spare controlling brancher, guarantee the normal work of clutch.
As shown in Figure 1-Figure 3, preferably, the clutch control further includes cooling branch, the cooling branch
One end is connect with the oil outlet of lubricating oil pump 3, and the other end is connect with first clutch 13, second clutch 14 respectively.Preferably,
The cooling branch includes the first cooling cooling of mechanical slide valve 5, second mechanical slide valve 6, cooler 8 and the cooling mechanical slide valve of third
9, first control of the oil outlet of lubricating oil pump 3 also with the oil inlet 5P of the first cooling mechanical slide valve 5, the first cooling mechanical slide valve 5
End 5A1 is separately connected, the oil outlet 5B of the first cooling mechanical slide valve 5 respectively with the oil inlet 6P of the second cooling mechanical slide valve 6, the
The oil inlet connection of the control terminal 6A, cooler 8 of two cooling mechanical slide valves 6, the oil outlet 6B and mistake of the second cooling mechanical slide valve 6
The oil outlet of filter 2 connects, and the oil outlet of cooler 8 is connect with the oil inlet 9P of the cooling mechanical slide valve 9 of third, third cooler
The oil outlet 9B of tool slide valve 9 is connect with first clutch 13, second clutch 14 respectively, and the first of the cooling mechanical slide valve 9 of third
Control terminal 9A2 is connect with the oil outlet 11B of security solenoid valve 11.Preferably, the oil outlet 10B of the first secure mechanical slide valve 10
Also it is connect with the second control terminal 5A2 of the first cooling mechanical slide valve 5.Preferably, the oil outlet 9B of the cooling mechanical slide valve 9 of third
Also it is connect with the second control terminal 9A1 of the cooling mechanical slide valve 9 of third.Preferably, the cooling branch further includes check valve 7,
The check valve 7 is arranged in parallel with the cooler 8, the oil outlet 5B of described 7 one end of check valve and the first cooling mechanical slide valve 5
Connection, the other end are connect with the oil inlet 9P of the cooling mechanical slide valve 9 of third.
Preferably, the clutch control further includes accumulator 21, the oil outlet 19B of the first control solenoid valve 19
Place, second, which control, is provided with the accumulator at the oil outlet 11B of security solenoid valve 11 at the oil outlet 20B of solenoid valve 20
21.At first clutch 13, at second clutch 14, first pressure sensor 15, second pressure sensor 16 is respectively set,
For monitoring corresponding pressure everywhere.
In the embodiment of the present invention, specific connection type and working principle are as follows:
As shown in Fig. 1, also reference can be made to Fig. 2 and Fig. 3, filter 2 generally uses suction-type filter 2, and oil liquid is from oil sump 1
After middle output, suction-type filter 2, lubricating oil pump 3 are sequentially entered, after the output of 3 oil outlet of lubricating oil pump, is divided into three branches,
In first branch be cooling branch, be firstly connected to the oil inlet 5P and the first control terminal of the first cooling mechanical slide valve 5
5A1；Wherein Article 2 branch is connected to the oil inlet 4P and control terminal 4A that pressure adjusts mechanical slide valve 4；Wherein Article 3 branch
To be connected to the oil inlet 17P and the second mechanical slide valve of the first mechanical slide valve 17 to the main branch road of two clutch feeds
18 oil inlet 18P；
Wherein, first branch is cooling branch, and the oil liquid of first branch reaches the control of the first cooling mechanical slide valve 5
After holding 5A1, by control so that the oil inlet 5P and oil outlet 5B of the first cooling mechanical slide valve 5 are conducted, oil liquid can be from
The oil inlet 5P of first cooling mechanical slide valve 5 reaches oil outlet 5B, is then divided into three sub- branches, the connection of the first strip branch again
To the oil inlet 6P of the second cooling mechanical slide valve 6, the second strip branch is connected to the control terminal 6A of the second cooling mechanical slide valve 6,
Third strip branch is connected to the oil inlet side of cooler 8 and check valve 7；As the oil outlet 5B of the first cooling mechanical slide valve 5
Oil liquid when building up to pressure greater than certain value, under the action of control terminal 6A connect with oil outlet 5B, the second cooling machinery
Slide valve 6 is moved to the left unlatching, so that the oil inlet 6P and oil outlet 6B of the second cooling mechanical slide valve 6 are realized and be connected, oil liquid can be with
Realize that aerial drainage, the oil liquid released can return to the oil inlet (i.e. the oil outlet of filter 2) of lubricating oil pump 3 by oil circuit；By
The oil liquid of third strip branch is connected to the oil inlet 9P of the cooling mechanical slide valve 9 of third after subcooler 8, and third is cooling
Mechanical slide valve 9 is normally open, and oil liquid can flow to oil outlet 9B from its oil inlet 9P, oil outlet 9B be provided with feedback, i.e.,
Oil outlet 9B is connected to the left end control terminal 9A1 (the second control terminal) of the cooling mechanical slide valve 9 of third, so that the third cooler
Tool slide valve 9 is in the open state always.The oil liquid exported from oil outlet 9B flows in two clutches in next step, is double clutch
Realize cooling and lubricating；Inside the third strip branch, it is provided with check valve 7 in the branch in parallel with cooler 8, acts on
In when that at low temperature, may stop up when the pressure drop inside cooler 8 is excessive, at this point, the opening of check valve 7, can make
Oil liquid passes through, and cooling branch realizes connection.
The oil liquid of Article 2 branch is connected to the oil inlet 4P and control terminal 4A that pressure adjusts mechanical slide valve 4, control simultaneously
Effect unlatching so that pressure adjusting mechanical slide valve 4 moves right of end 4A, so that passing through the oil liquid reality that pressure adjusts mechanical slide valve 4
The effect of existing flow control is divided into four strip branches after oil liquid flows to the oil outlet 4B that pressure adjusts mechanical slide valve 4；
Wherein the first strip branch is connected to the oil inlet 20P of the second control solenoid valve 20, feelings of the solenoid valve in energization
Under condition, be connected so that oil inlet 20P and oil outlet 20B is realized, so that oil liquid flows to the second mechanical slide valve from oil outlet 20B
18 the first control terminal 18A1, so by the first control terminal 18A1 control so that the oil inlet 18P of the second mechanical slide valve 18 with
Oil outlet 18B realizes conducting；
Similarly, the second strip branch is connected to the oil inlet 19P of the first control solenoid valve 19, feelings of the solenoid valve in energization
Under condition, being connected so that oil inlet 19P and oil outlet 19B is realized, oil liquid flows to the control terminal 17A1 of the first mechanical slide valve 17, thus
So that the oil inlet 17P and oil outlet 17B of the first mechanical slide valve 17 realize conducting；
Third strip branch is connected to the oil inlet 11P of security solenoid valve 11, the solenoid valve in the case where energization so that
Oil inlet 11P and oil outlet 11B are conducted, and oil liquid passes through after security solenoid valve 11, while it is cooling mechanical sliding to be connected to third
First control terminal 9A2 of the valve 9 and control terminal 10A1 of the first secure mechanical slide valve 10 is connected to the cooling mechanical slide valve 9 of third
The oil liquid of control terminal 9A2 can make the cooling mechanical slide valve 9 of third under the effect of the pressure, unlatching is moved to the left, to adjust
The opening degree of the oil outlet 9B of the cooling mechanical slide valve 9 of third, to adjust the cooling flow into clutch；It is connected to the first peace
The oil liquid of the control terminal 10A1 of full mechanical slide valve 10, can make the oil inlet 10P and oil outlet of the first secure mechanical slide valve 10
10B is conducted；
The sub- branch of Article 4 is the main thoroughfare of spare controlling brancher, and oil liquid therein reaches oil outlet from oil inlet 10P
After 10B, at the same be connected to the first cooling mechanical slide valve 5 the second control terminal 5A2 and the second secure mechanical slide valve 12 first into
Hydraulic fluid port 12P2 and the second oil inlet 12P1.
Article 3 branch be to two clutch feeds main branch road, oil liquid from lubricating oil pump 3 come out after, be connected to simultaneously
The oil inlet 18P of the oil inlet 17P of first mechanical slide valve 17 and the second mechanical slide valve 18, the first control 19 energization situation of solenoid valve
Under, oil liquid can be made to enter the first control terminal 17A1 of the first mechanical slide valve 17 by the first control solenoid valve 19, to make
The oil inlet 17P and oil outlet 17B for obtaining the first mechanical slide valve 17 are communicated, so that oil liquid can reach oil outlet from oil inlet 17P
17B, subsequently into first clutch 13, so that first clutch 13 be pushed to realize engagement；As a same reason, the second control solenoid valve
In the case of 20 are powered, the second mechanical slide valve 18 oil inlet 18P and oil outlet 18B can be made to communicate, so that oil liquid is from oil inlet
18P reaches oil outlet 18B, subsequently into second clutch 14, so that second clutch 14 be pushed to realize engagement.
The left end control terminal 12A1 (the second control terminal) of second secure mechanical slide valve 12 is connected to the second mechanical slide valve 18
The right end control terminal 12A2 (the first control terminal) of oil outlet 18B, the second secure mechanical slide valve 12 are connected to the first mechanical slide valve 17
Oil outlet 17B, the oil outlet 12B1 of the second safe slide valve be connected to the second control terminal of the left end of the second mechanical slide valve 18
18A2, the oil outlet 12B2 of the second safe slide valve are connected to left end the second control terminal 17A2 of 1 first mechanical slide valve 17.
Security solenoid valve 11 oil outlet, first control solenoid valve 19 oil outlet, second control solenoid valve 20 go out
Hydraulic fluid port is respectively provided with accumulator 21 between the control terminal of next valve, can further drop the fluctuation of low controlling-pressure,
Guarantee is precisely controlled clutch.
Using the scheme of the embodiment of the present invention, the first control solenoid valve 19 or the second control solenoid valve 20 can be made in event
Under the mode of barrier, gearbox still is able to work (function that the first clutch 13 still realizes engagement with second clutch 14).
For example, first clutch 13 is just in the process of work, the first control solenoid valve 19 breaks down, so that the first control solenoid valve
19 oil inlet 19P and oil outlet 19B cutting, at this moment will lead to, the oil inlet 17P and oil outlet 17B of the first mechanical slide valve 17
Cutting, so as to cause 13 power cut of first clutch.In the technical solution, it is provided with security solenoid valve 11 and the first safe machine
Tool slide valve 10 and the second secure mechanical slide valve 12, constitute the spare controlling brancher of clutch, the first mechanical slide valve 17 it is fuel-displaced
The first control terminal connection of the right end of mouth 17B and the second secure mechanical slide valve 12, passes through the original stored in the first mechanical slide valve 17
First control terminal of the right end for having pressure that oil liquid is made to reach the second secure mechanical slide valve 12, so that the second secure mechanical is sliding
The first oil inlet 12P2 and the first oil outlet 12B2 realization of valve 12 are connected to, when the first control solenoid valve 19 breaks down, peace
Full solenoid valve 11 works, and can still provide left end the second control terminal 17A2 that pressure oil liquid reaches the first mechanical slide valve 17, thus
So that the first mechanical slide valve 17 oil inlet 17P and oil outlet 17B realization be connected again so that pressure oil liquid arrive again
Up to first clutch 13, to guarantee that first clutch 13 realizes work again.Second clutch 14 just in the process of work,
Second control solenoid valve 20 breaks down, the spare controlling brancher of setting identical as above-mentioned principle, can still make second from
Clutch 14 still can work normally in the case where the second control 20 failure of solenoid valve.
Structure, feature and effect of the invention, the above institute are described in detail based on the embodiments shown in the drawings
Only presently preferred embodiments of the present invention is stated, but the present invention does not limit the scope of implementation as shown in the drawings, it is all according to structure of the invention
Think made change or equivalent example modified to equivalent change, when not going beyond the spirit of the description and the drawings,
It should all be within the scope of the present invention.
Claims (8)
1. a kind of clutch control of gearbox, which is characterized in that the clutch control includes: oil sump, filtering
Device, lubricating oil pump, the first control solenoid valve, the second control solenoid valve, the first mechanical slide valve, the second mechanical slide valve, first clutch
With second clutch, the oil sump, filter, lubricating oil pump are sequentially connected with, and the oil outlet of the lubricating oil pump is respectively with described first
Control oil inlet, the second control oil inlet of solenoid valve, the oil inlet of the first mechanical slide valve, the second mechanical slide valve of solenoid valve
Oil inlet connection, the oil outlet of the first mechanical slide valve, the second mechanical slide valve oil outlet respectively with first clutch, the second clutch
Device connection, and the oil outlet of the oil outlet of the first control solenoid valve, the second control solenoid valve respectively with the first mechanical slide valve the
One control terminal, the connection of the first control terminal of the second mechanical slide valve；
The clutch control further includes that pressure adjusts mechanical slide valve, and the pressure adjusts mechanical slide valve and is arranged in lubricating oil pump
Between the first control solenoid valve, between lubricating oil pump and the second control solenoid valve, the oil outlet of lubricating oil pump is adjusted with pressure respectively
Control terminal, the pressure of mechanical slide valve adjust the oil inlet connection of mechanical slide valve, and pressure adjusts the oil outlet difference of mechanical slide valve
It is connect with the oil inlet of the oil inlet of the first control solenoid valve, the second control solenoid valve；
The clutch control of the gearbox further includes spare controlling brancher, described spare controlling brancher one end and pressure tune
The oil outlet connection of mechanical slide valve is saved, the other end is connect with the first mechanical slide valve, the second mechanical slide valve respectively.
2. the clutch control of gearbox according to claim 1, which is characterized in that the spare controlling brancher packet
Include the first secure mechanical slide valve, the second secure mechanical slide valve and security solenoid valve, pressure adjust the oil outlet of mechanical slide valve also with
The oil inlet of security solenoid valve, the first secure mechanical slide valve oil inlet be separately connected, the oil outlet of the first secure mechanical slide valve
It is connect respectively with the second oil inlet of the first oil inlet of the second secure mechanical slide valve, the second secure mechanical slide valve, and the second peace
First oil outlet of full mechanical slide valve, the second oil outlet of the second secure mechanical slide valve are controlled with the second of the first mechanical slide valve respectively
The second control terminal connection at end, the second mechanical slide valve processed, the first control terminal, the second secure mechanical of the second secure mechanical slide valve are sliding
Second control terminal of valve is connect with the oil outlet of the oil outlet of the first mechanical slide valve, the second mechanical slide valve respectively, security solenoid valve
Oil outlet connect with the control terminal of the first secure mechanical slide valve.
3. the clutch control of gearbox according to claim 2, which is characterized in that the clutch control
Further include cooling branch, the connection of the oil outlet of described cooling branch one end and lubricating oil pump, the other end respectively with first clutch, the
The connection of two clutches.
4. the clutch control of gearbox according to claim 3, which is characterized in that the cooling branch includes the
One cooling mechanical slide valve, the second cooling mechanical slide valve, cooler and the cooling mechanical slide valve of third, the oil outlet of lubricating oil pump is also with the
One cools down the oil inlet of mechanical slide valve, the first control terminal of the first cooling mechanical slide valve is separately connected, the first cooling mechanical slide valve
The oil outlet oil inlet with the oil inlet of the second cooling mechanical slide valve, the control terminal, cooler of the second cooling mechanical slide valve respectively
Mouth connection, the oil outlet of the second cooling mechanical slide valve and the oil outlet of filter connect, oil outlet and the third cooling of cooler
The oil inlet of mechanical slide valve connects, and the oil outlet of the cooling mechanical slide valve of third is connect with first clutch, second clutch respectively,
First control terminal of the cooling mechanical slide valve of third and the oil outlet of security solenoid valve connect.
5. the clutch control of gearbox according to claim 4, which is characterized in that the first secure mechanical slide valve
Oil outlet is also connect with the second control terminal of the first cooling mechanical slide valve.
6. the clutch control of gearbox according to claim 4, which is characterized in that the cooling mechanical slide valve of third
Oil outlet is also connect with the second control terminal of the cooling mechanical slide valve of third.
7. the clutch control of gearbox according to claim 4, which is characterized in that the cooling branch further includes
Check valve, the check valve are arranged in parallel with the cooler, and described check valve one end is fuel-displaced with the first cooling mechanical slide valve
Mouth connection, the other end are connect with the oil inlet of the cooling mechanical slide valve of third.
8. according to the clutch control of the described in any item gearboxes of claim 2-7, which is characterized in that the clutch
Control system further includes accumulator, the oil outlet and safety of the oil outlet of the first control solenoid valve, the second control solenoid valve
The oil outlet of solenoid valve is provided with the accumulator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710640243.5A CN107448598B (en) | 2017-07-31 | 2017-07-31 | A kind of clutch control of gearbox |
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| CN201710640243.5A CN107448598B (en) | 2017-07-31 | 2017-07-31 | A kind of clutch control of gearbox |
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| CN107448598A CN107448598A (en) | 2017-12-08 |
| CN107448598B true CN107448598B (en) | 2019-04-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108980231B (en) * | 2018-08-28 | 2019-08-06 | 安徽江淮汽车集团股份有限公司 | A kind of hybrid electric vehicle power control system and hybrid electric vehicle |
| CN113606265B (en) * | 2021-08-13 | 2022-06-21 | 安徽江淮汽车集团股份有限公司 | Clutch control system of hybrid power transmission |
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| CN101163901A (en) * | 2005-04-25 | 2008-04-16 | 赫尔比格驱动技术有限公司 | Activation control device for the clutch packs of a hydraulic double clutch |
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| CN105042065A (en) * | 2015-07-16 | 2015-11-11 | 重庆青山工业有限责任公司 | Hydraulic gear shifting control system of double-clutch automatic transmission |
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| US6427550B1 (en) * | 2001-01-12 | 2002-08-06 | New Venture Gear, Inc. | Twin clutch automated transaxle |
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| KR20050068625A (en) * | 2003-12-30 | 2005-07-05 | 현대자동차주식회사 | Hydraulic control system for automatic transmission |
| CN101163901A (en) * | 2005-04-25 | 2008-04-16 | 赫尔比格驱动技术有限公司 | Activation control device for the clutch packs of a hydraulic double clutch |
| CN104047971A (en) * | 2013-03-11 | 2014-09-17 | 格特拉克·福特传动系统有限公司 | Coupling device with hydraulic system and method for operating the coupling device |
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