CN109268467A - A kind of automatic transmission - Google Patents
A kind of automatic transmission Download PDFInfo
- Publication number
- CN109268467A CN109268467A CN201811180576.5A CN201811180576A CN109268467A CN 109268467 A CN109268467 A CN 109268467A CN 201811180576 A CN201811180576 A CN 201811180576A CN 109268467 A CN109268467 A CN 109268467A
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- Prior art keywords
- spool
- valve
- solenoid valve
- pressure
- clutch
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 28
- 230000001050 lubricating effect Effects 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 238000005461 lubrication Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000446 fuel Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 11
- 230000005611 electricity Effects 0.000 description 5
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- F16H—GEARING
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- 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
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
-
- 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
- F16H2306/00—Shifting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The present invention provides a kind of automatic transmission, belong to car transmissions technical field, the present invention relates to a kind of automatic transmission, it include: voltage control system, shifting control system, hydraulic torque converter lockout and cooling and lubricating system, wherein, voltage control system is connected with shifting control system, and shifting control system is connected with hydraulic torque converter lockout and cooling and lubricating system, and voltage control system controls the principal pressure of the automatic transmission;Shifting control system controls the automatic transmission and switches between different gears;Hydraulic torque converter lockout and cooling and lubricating system control the cooling and lubricating of the locking of fluid torque-converter TC and unlock and the automatic transmission in the system, solves a technical issues of failure gear causes engine speed to go beyond the limit of, there are two the technical effects for the shelves that fail when reaching realization power-off failure situation.
Description
Technical field
The present invention relates to car transmissions technical fields, in particular to a kind of automatic transmission.
Background technique
Nowadays, electronic control technology is more and more mature, but still will appear the problem of electric-control system fails.Currently, certain domestic amount
8 gear transmissions are produced, design is a failure shelves.When running on expressway of the vehicle in not speed limit, vehicle is in
High-speed cruising state powers off the design of the latter failure shelves suddenly, will lead to engine speed and go beyond the limit of revolving speed.If walked lamely
Gear setting is excessively high, and will lead to vehicle can not start to walk;The setting of limping gear is too low, and engine speed is easy to cause to go beyond the limit of,
Damage vehicle.According to manufacture level of processing domestic at present, for complicated hydraulic circuit, processing cost is high, thin-walled on valve plate
More and deep, mechanical spool quantity is more, and overall cost is high.
Summary of the invention
For above-mentioned problems of the prior art, the present invention provides a kind of automatic transmission, solve a mistake
Effect gear causes engine speed to go beyond the limit of caused safety problem.
In a first aspect, the embodiment of the invention provides a kind of automatic transmission, wherein include: voltage control system, shift
Control system, hydraulic torque converter lockout and cooling and lubricating system, wherein voltage control system is connected with shifting control system, changes
Gear control system is connected with hydraulic torque converter lockout and cooling and lubricating system;
Voltage control system controls the principal pressure of the automatic transmission;
Shifting control system controls the automatic transmission and switches between different gears;
Hydraulic torque converter lockout and cooling and lubricating system control in the system locking of fluid torque-converter TC and unlock and
The cooling and lubricating of the automatic transmission.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein institute
Voltage control system is stated to be controlled by oil feed pump, system pressure valve (6), the first pressure reducing valve (8), the second pressure reducing valve (9), system pressure
Solenoid valve (N93) composition, wherein
The entrance of system pressure valve (6), the first pressure reducing valve (8) and the second pressure reducing valve (9) is connect with oil feed pump respectively, the
The outlet of one pressure reducing valve (8) is connect with the entrance of system pressure control solenoid valve (N93), and system pressure controls solenoid valve (N93)
Outlet connect with the second end of system pressure valve (6).
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides second of first aspect
Possible embodiment, wherein the shifting control system, including the control of first control unit, the second control unit, third are single
Member, the 4th control unit and the 5th control unit, wherein
First control unit is by the first spool (4), the second spool (5), the 7th spool (11), the 8th spool (12), the 4th
Spool (7), second solenoid valve (N89) composition, the entrance of the first spool (4) connect with oil feed pump, the outlet of the first spool (4) and
The entrance of second spool (5) connects, and the outlet of the second spool (5) is connect with the entrance of the 7th spool (11), the 7th spool (11)
Outlet connect with the entrance of the 8th spool (12), the outlet of the 8th spool (12) is connect with second brake (B2), the 8th valve
5th end of core (12) is connect with the outlet of second solenoid valve (N89), the 4th end and the 7th spool (11) of the 4th spool (7)
Entrance connection;
Second control unit is by logic shift valve (10), the 9th spool (13), the tenth spool (14), the 6th solenoid valve
(N282), the first solenoid valve (N88) form, the 9th spool (13), the tenth spool (14) entrance and the first spool (4) outlet
Connection, the outlet of the 9th spool (13) and the tenth spool (14) are connect with second clutch (C2), and the first solenoid valve (N88) goes out
Mouth is connect with the second end of logic shift valve (10), and the outlet of the entrance of logic shift valve (10) and the 6th solenoid valve (N282) connects
It connecing, the outlet of logic shift valve (10) is connect with the third end of the second end of the 9th spool (13) and the tenth spool (14), and the 6th
The entrance of solenoid valve (N282) and the first solenoid valve (N88) is connect with the outlet of the second pressure reducing valve (9);
Third control unit is by the 11st spool (15), the 12nd spool (16), the 13rd spool (17), the 4th solenoid valve
(N92) it forming, wherein the entrance of the 11st spool (15) is connect with the outlet of the first spool (4), and the of the 11st spool (15)
Two ends are connect with oil feed pump, the entrance company of the outlet of the 11st spool (15) and the 12nd spool (16) and the 13rd spool (17)
It connecing, the outlet of the 4th solenoid valve (N92) is connect with the third end of the second end of the 12nd spool (16) and the 13rd spool (17),
The outlet of 12nd spool (16) and the 13rd spool (17) is connect with first clutch (C1), and the 4th solenoid valve (N92's) enters
Mouth is connect with the outlet of the first pressure reducing valve (8);
4th control unit is made of third solenoid valve (N90), the 15th spool (19), the 16th spool (20), and the tenth
Five spools (19), the 16th spool (20) entrance connect with oil feed pump, the 15th spool (19) and the 16th spool (20)
Outlet is connect with third clutch (C3), the second end and the tenth of the outlet of third solenoid valve (N90) and the 15th spool (19)
The third end of six spools (20) connects, and third solenoid valve (N90) is connect with the outlet of the second pressure reducing valve (9);
5th control unit is by the 7th solenoid valve (N283), the 14th spool (18), the 17th spool (21), the 18th valve
Core (22) composition, the entrance of the 17th spool (21) and the 18th spool (22) are connect with oil feed pump, the 17th spool (21) and
The outlet of 18th spool (22) is connect with the first brake (B1), the entrance and the 7th solenoid valve of the 14th spool (18)
(N283) outlet connection, the second end of the 14th spool (18) are connect with the outlet of third solenoid valve (N90), the 14th spool
(18) outlet is connect with the third end of the second end of the 17th spool (21) and the 18th spool (22), the 7th solenoid valve
(N283) it is connect with the outlet of the second pressure reducing valve (9).
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the third of first aspect
Possible embodiment, wherein the hydraulic torque converter lockout and cooling and lubricating system, including pressure-control valve (3), the first tune
Pressure valve (1), the second pressure regulator valve (2), TC solenoid valve (23) and lubrication kinetic pressure balancing (24), pressure-control valve (3) control TC
The fuel feeding of solenoid valve (23), TC solenoid valve (23) by the first pressure regulator valve (1), the second pressure regulator valve (2) control TC locking (25) and
TC unlocks (26), wherein
Pressure-control valve (3), the first pressure regulator valve (1), the second pressure regulator valve (2) entrance and system pressure valve (6) outlet,
The connection of lubrication kinetic pressure balancing, the outlet of pressure-control valve (3) are connect with the 7th end of the second pressure regulator valve (2), the first pressure regulation
The outlet of valve (1) is connect with the entrance of the second pressure regulator valve (2), the 5th end of the second pressure regulator valve (2) and lubrication kinetic pressure balancing
Connection, the 5th end of the first pressure regulator valve (1), the second end of the second pressure regulator valve (2) are connect with the outlet of TC solenoid valve.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein institute
State third solenoid valve (N90), the 4th solenoid valve (N92), the 5th solenoid valve (N93), the 6th solenoid valve (N282) and the 7th electricity
Magnet valve (N283) is the normal high pressure valve of the maximum control pressure of output after power-off, first solenoid valve (N88) and the second electromagnetism
Output is 0 after valve (N89) power-off;
The logic shift valve (10) is two-position valve;
In the case where the power-off of all solenoid valves, the logic shift valve (10) is in right position, cuts off the 6th solenoid valve
(N282) access of entrance and outlet controls the 9th spool (13) and the shutdown of the tenth spool (14);
When the entrance of the first solenoid valve (N88) is connected with the control oil circuit of outlet, the logic shift valve (10) is controlled
In left position, and then the 9th spool (13) and the conducting of the tenth spool (14) are controlled, second clutch (C2) combines, in the second clutch
After device (C2) combines, the logic shift valve (10) maintains left position.
The 4th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 5th kind of first aspect
Possible embodiment, wherein in first gear, the entrance of the 4th solenoid valve (N92) and outlet are connected, the 12nd spool
(16) it is combined with the conducting of the 13rd spool (17), first clutch (C1);
After power-off, the logic shift valve (10) is in right position, and the first solenoid valve (N88) output is 0, second clutch
(C2) control oil circuit is cut off by the logic shift valve (10), and second clutch (C2) disconnects;
The maximum control pressure of 4th solenoid valve (N92) output, controls the 12nd spool (16) and the 13rd spool
(17) it is connected, first clutch (C1) is maintained to combine;
The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then controls the 18th
Spool (22) and the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1) are cut off, and, third electromagnetism
The maximum control pressure of valve (N90) output, controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch (C3)
In conjunction with the first brake (B1) and third clutch (C3) are interlocking;
14th spool (18) is two-position three-way valve, output maximum control when the third solenoid valve (N90) powers off
Pressure controls the 14th spool (18) and cuts off the control oil circuit of the 7th solenoid valve (N283) in left position, and then controls
18th spool (22) and the shutdown of the 17th spool (21), first brake (B1) disconnect;The third solenoid valve (N90)
Pressure output control, control the 14th spool (18) do not control the 7th solenoid valve in right position when restoring electricity
(N283) control oil circuit conducting.
The 4th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 6th kind of first aspect
Possible embodiment, wherein in second gear, first clutch (C1) and the first brake (B1) are combined;
After power-off, the logic shift valve (10) is in right position, and the first solenoid valve (N88) output is 0, second clutch
(C2) control oil circuit is cut off by the logic shift valve (10), and second clutch (C2) disconnects;
The maximum control pressure of 4th solenoid valve (N92) output, controls the 12nd spool (16) and the 13rd spool
(17) it is connected, first clutch (C1) is maintained to combine;
The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then controls the 18th
Spool (22) and the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1) are cut off, and, third electromagnetism
The maximum control pressure of valve (N90) output, controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch (C3)
In conjunction with.
The 4th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 7th kind of first aspect
Possible embodiment, wherein in third gear, first clutch (C1) and third clutch (C3) are combined;
After power-off, the logic shift valve (10) is in right position, and the first solenoid valve (N88) output is 0, second clutch
(C2) control oil circuit is cut off by the logic shift valve (10), and second clutch (C2) disconnects;
The maximum control pressure of 4th solenoid valve (N92) output, controls the 12nd spool (16) and the 13rd spool
(17) it is connected, first clutch (C1) is maintained to combine;
The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then controls the 18th
Spool (22) and the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1) are cut off, and, third electromagnetism
The maximum control pressure of valve (N90) output, controls the 15th spool (19) and the conducting of the 16th spool (20), maintains third clutch
(C3) it combines.
The 4th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 8th kind of first aspect
Possible embodiment, wherein in fourth gear, first clutch (C1) and second clutch (C2) are combined;
After power-off, the logic shift valve (10) maintains left position after second clutch (C2) combination, and then maintains second
Clutch (C2) combines;
The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then controls the 18th
Spool (22) and the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1) are cut off, and, third electromagnetism
The maximum control pressure of valve (N90) output, controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch (C3)
In conjunction with;
4th end of the 11st spool (15) is connected with second clutch (C2), the 5th end of the 11st spool (15) and the
Three clutches (C3) and the first brake (B1) are connected, the maximum control pressure of the 4th solenoid valve (N92) output to the tenth
The second end of one spool (15), the second clutch (C2) export feedback pressure, institute to the 4th end of the 11st spool (15)
It states third clutch (C3) and exports feedback pressure to the 5th end of the 11st spool (15), control the 12nd spool (16) and the tenth
Three spools (17) shutdown, and then control first clutch (C1) and disconnect.
The 4th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 9th kind of first aspect
Possible embodiment, wherein in fifth gear, second clutch (C2) and third clutch (C3) are combined;
After power-off, the logic shift valve (10) maintains left position after second clutch (C2) combination, and then maintains second
Clutch (C2) combines;
The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then controls the 18th
Spool (22) and the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1) are cut off, and, third electromagnetism
The maximum control pressure of valve (N90) output, controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch (C3)
In conjunction with.
The 4th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the tenth kind of first aspect
Possible embodiment, wherein in sixth gear, second clutch (C2) and the first brake (B1) are combined;
After power-off, the logic shift valve (10) maintains left position after second clutch (C2) combination, and then maintains second
Clutch (C2) combines;
The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then controls the 18th
Spool (22) and the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1) are cut off, and, third electromagnetism
The maximum control pressure of valve (N90) output, controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch (C3)
In conjunction with.
The 4th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 11st of first aspect the
The possible embodiment of kind, wherein when vehicle restarts engine, first clutch (C1) is combined;
The logic shift valve (10) is in right position, and the first solenoid valve (N88) output is 0, the control of second clutch (C2)
Liquefaction road is cut off by the logic shift valve (10), and second clutch (C2) disconnects;
The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then controls the 18th
Spool (22) and the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1) are cut off, and, third electromagnetism
The maximum control pressure of valve (N90) output, controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch (C3)
In conjunction with.
The 5th kind with reference to first aspect may be to the tenth kind of possible described in any item embodiments, wherein the second valve
The third end of core (5) is connected with second clutch (C2), the 4th end respectively with third clutch (C3) and the first brake
(B1) it is connected, in second gear to any gear between sixth gear, second clutch (C2), third clutch (C3) and the first system
The output pressure of dynamic device (B1) controls the second spool (5), and then controls the 7th spool (11) and the shutdown of the 8th spool (12), and second
Brake (B2) disconnects.
The embodiment of the present invention brings following the utility model has the advantages that a kind of automatic transmission provided in an embodiment of the present invention, comprising:
Voltage control system, shifting control system, hydraulic torque converter lockout and cooling and lubricating system, wherein voltage control system with change
It keeps off control system to be connected, shifting control system is connected with hydraulic torque converter lockout and cooling and lubricating system respectively;Pressure regulation control first
System processed controls the principal pressure of the automatic transmission;Secondly shifting control system control described automatic transmission difference gear it
Between switch over;And hydraulic torque converter lockout and cooling and lubricating system control the locking reconciliation of fluid torque-converter TC in the system
The cooling and lubricating of lock and the automatic transmission.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural block diagram of automatic transmission provided by one embodiment of the invention;
Fig. 2 is the structural block diagram of voltage control system provided by one embodiment of the invention;
Fig. 3 is the structural block diagram of shifting control system provided by one embodiment of the invention;
Fig. 4 is the structural block diagram of hydraulic torque converter lockout provided by one embodiment of the invention and cooling and lubricating system.
Fig. 5 is novel hydraulic system schematic diagram provided by one embodiment of the invention;
Icon: 101- voltage control system;201- shifting control system;301- hydraulic torque converter lockout and cooling and lubricating system
System;110- oil feed pump;210- first control unit;The second control unit of 220-;230- third control unit;240- the 4th is controlled
Unit;The 5th control unit of 250-;The first pressure regulator valve of 1-;The second pressure regulator valve of 2-;3- pressure-control valve;The first spool of 4-;5-
Two spools;6- system pressure valve;The 4th spool of 7-;The first pressure reducing valve of 8-;The second pressure reducing valve of 9-;10- logic shift valve;11-
Seven spools;The 8th spool of 12-;The 9th spool of 13-;The tenth spool of 14-;The 11st spool of 15-;The 12nd spool of 16-;17-
13 spools;The 14th spool of 18-;The 15th spool of 19-;The 16th spool of 20-;The 17th spool of 21-;The 18th valve of 22-
Core;23-TC solenoid valve;24- lubrication kinetic pressure balancing;25-TC locking;26-TC unlock;The first solenoid valve of N88-;N89-
Two solenoid valves;N90- third solenoid valve;The 4th solenoid valve of N92-;N93- system pressure controls solenoid valve;The 6th electromagnetism of N282-
Valve;The 7th solenoid valve of N283-;The first brake of B1-;B2- second brake;C1- first clutch;C2- second clutch;
C3- third clutch.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.The component of embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings can be matched with a variety of different
It sets to arrange and design.Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work, belongs to the present invention
The range of protection.
Safety problem caused by causing engine speed to go beyond the limit of for existing failure gear and hydraulic circuit are complicated,
The more and deep problem of thin-walled on processing cost height and valve plate.The embodiment of the invention provides a kind of automatic transmission, below first
It describes in detail to the structural block diagram of automatic transmission of the invention.
Embodiment one
This embodiment offers a kind of structural block diagrams of automatic transmission, and shown referring to Fig.1, the embodiment of the present application is provided
A kind of automatic transmission, comprising: voltage control system 101, shifting control system 201, hydraulic torque converter lockout and cooling profit
Sliding system 301, wherein voltage control system 101 is connected with shifting control system 201, shifting control system 201 and hydraulic moment changeable
Device locking and cooling and lubricating system 301 are connected.
Specifically, above-mentioned voltage control system 101 controls the principal pressure of the automatic transmission;Above-mentioned shifting control system
The 201 above-mentioned automatic transmission of control switch between different gears;Above-mentioned hydraulic torque converter lockout and cooling and lubricating system
301 control the cooling and lubricating of the locking of fluid torque-converter TC and unlock and above-mentioned automatic transmission in the system.
Embodiment two
This embodiment offers the structural block diagrams of voltage control system, referring to shown in Fig. 2, provided by the embodiment of the present application
Voltage control system 101 controls electricity by oil feed pump 110, system pressure valve 6, the first pressure reducing valve 8, the second pressure reducing valve 9, system pressure
Magnet valve N93 composition, wherein the entrance of system pressure valve 6, the first pressure reducing valve 8 and the second pressure reducing valve 9 respectively with oil feed pump 110
The outlet of connection, the first pressure reducing valve 8 is connect with the entrance of system pressure control solenoid valve N93, and system pressure controls solenoid valve N93
Outlet connect with the second end of system pressure valve 6.
The system controls solenoid valve N93 control system pressure valve 6 by system pressure, to realize that system principal pressure exists
Proportion adjustment is carried out between 0.4~1.6Mpa.
Embodiment three
This embodiment offers the structural block diagrams of shifting control system, referring to shown in Fig. 3, provided by the embodiment of the present application
Shifting control system 201, including the control of first control unit 210, the second control unit 220, third control unit the 230, the 4th
Unit 240 and the 5th control unit 250, wherein
First control unit 210 is by the first spool (4), the second spool (5), the 7th spool (11), the 8th spool (12),
Four spools (7), second solenoid valve (N89) composition, the entrance of the first spool (4) are connect with oil feed pump 110, the first spool (4)
Outlet is connect with the entrance of the second spool (5), and the outlet of the second spool (5) is connect with the entrance of the 7th spool (11), the 7th valve
The outlet of core (11) is connect with the entrance of the 8th spool (12), and the outlet of the 8th spool (12) is connect with second brake (B2),
5th end of the 8th spool (12) is connect with the outlet of second solenoid valve (N89), the 4th end of the 4th spool (7) and the 7th spool
(11) entrance connection.
Specifically, second solenoid valve (N89) open when, principal pressure oil successively pass through the first spool (4), the second spool (5),
7th spool (11), the 8th spool (12) enter second brake (B2) afterwards, meanwhile, the control of export of second solenoid valve (N89)
Pressure acts on the 4th spool (7), is at left position, realizes the function of reduction system principal pressure.Due to the second spool (5)
Third end is connected with second clutch (C2), the 4th end of the second spool (5) and third clutch (C3) and the first brake
(B1) it is connected, after these three clutches or brake combination, the second spool (5) is closed.Therefore only at first grade, first
When clutch (C1) combines, second brake (B2) could pass through second solenoid valve (N89) control and obtain pressure.
Second control unit 220 is by logic shift valve (10), the 9th spool (13), the tenth spool (14), the 6th solenoid valve
(N282), the first solenoid valve (N88) form, the 9th spool (13), the tenth spool (14) entrance and the first spool (4) outlet
Connection, the outlet of the 9th spool (13) and the tenth spool (14) are connect with second clutch (C2), and the first solenoid valve (N88) goes out
Mouth is connect with the second end of logic shift valve (10), and the outlet of the entrance of logic shift valve (10) and the 6th solenoid valve (N282) connects
It connecing, the outlet of logic shift valve (10) is connect with the third end of the second end of the 9th spool (13) and the tenth spool (14), and the 6th
The entrance of solenoid valve (N282) and the first solenoid valve (N88) is connect with the outlet of the second pressure reducing valve (9).
Specifically, working as the first solenoid valve (N88) in the open state, the entrance of control logic shift valve (10) is to connect
Logical state, the 6th solenoid valve (N282) pressure output control control the 9th spool (13) second end and the tenth spool (14) the
Three ends, so that after main oil pressure power first passes through the 9th spool (13), into second clutch (C2), when the 6th solenoid valve (N282) is defeated
Out when maximum pressure, the tenth spool (14) commutation, system pressure enters second clutch (C2) by the tenth spool (14), realizes
Two-stage pressure-regulating.
Third control unit 230 is by the 11st spool (15), the 12nd spool (16), the 13rd spool (17), the 4th electricity
Magnet valve (N92) composition, wherein the entrance of the 11st spool (15) is connect with the outlet of the first spool (4), the 11st spool (15)
Second end connect with oil feed pump 110, the outlet of the 11st spool (15) and the 12nd spool (16) and the 13rd spool (17)
Entrance connection, the of the second end of the outlet of the 4th solenoid valve (N92) and the 12nd spool (16) and the 13rd spool (17)
The connection of three ends, the outlet of the 12nd spool (16) and the 13rd spool (17) are connect with first clutch (C1), the 4th solenoid valve
(N92) entrance is connect with the outlet of the first pressure reducing valve (8).
Specifically, main oil pressure power is passed through from the 11st spool (15) when the 4th solenoid valve (N92) pressure output control
Afterwards, first clutch (C1) is entered by the 12nd spool (16), when the 4th solenoid valve (N92) exports maximum control pressure,
13rd spool (17) commutates, and main oil pressure power is directly entered first clutch (C1), realizes two-stage pressure-regulating.
4th control unit 240 is made of third solenoid valve (N90), the 15th spool (19), the 16th spool (20), the
15 spools (19), the 16th spool (20) entrance connect with oil feed pump 110, the 15th spool (19) and the 16th spool
(20) outlet is connect with third clutch (C3), the second end of the outlet of third solenoid valve (N90) and the 15th spool (19)
It is connected with the third end of the 16th spool (20), third solenoid valve (N90) is connect with the outlet of the second pressure reducing valve (9).
Specifically, main oil pressure power first enters through the 15th spool (19) when third solenoid valve (N90) pressure output control
Third clutch (C3), when third solenoid valve (N90) exports maximum pressure, the 16th spool (20) commutates, main oil pressure
Power is directly entered third clutch (C3), realizes two-stage pressure-regulating.
5th control unit 250 is by the 7th solenoid valve (N283), the 14th spool (18), the 17th spool (21), the tenth
The entrance of eight spools (22) composition, the 17th spool (21) and the 18th spool (22) is connect with oil feed pump 110, the 17th spool
(21) it is connect with the outlet of the 18th spool (22) with the first brake (B1), the entrance and the 7th electromagnetism of the 14th spool (18)
The outlet of valve (N283) connects, and the second end of the 14th spool (18) is connect with the outlet of third solenoid valve (N90), the 14th valve
The outlet of core (18) is connect with the third end of the second end of the 17th spool (21) and the 18th spool (22), the 7th solenoid valve
(N283) it is connect with the outlet of the second pressure reducing valve (9).
Specifically, third solenoid valve (N90) is in close state when the 7th solenoid valve (N283) pressure output control,
The control pressure of 7th solenoid valve (N283) enters the second end and the tenth of the 17th spool (21) by the 14th spool (18)
The third end of eight spools (22), main oil pressure power first enters the first brake (B1) through the 17th spool (21), when the 7th solenoid valve
(N283) when exporting maximum pressure, the 18th spool (22) commutates, and main oil pressure power is directly entered the first brake (B1), real
Existing two-stage pressure-regulating.
Example IV
This embodiment offers the structural block diagrams of hydraulic torque converter lockout and cooling and lubricating system, referring to shown in Fig. 4, this Shen
Please hydraulic torque converter lockout and cooling and lubricating system 301 provided by embodiment, including pressure-control valve 3, the first pressure regulator valve 1,
Second pressure regulator valve 2, TC solenoid valve 23 and lubrication kinetic pressure balancing 24, pressure-control valve 3 control the fuel feeding of TC solenoid valve 23, TC
Solenoid valve 23 controls TC locking and TC unlock by the first pressure regulator valve 1, the second pressure regulator valve 2, wherein
Pressure-control valve 3, the first pressure regulator valve 1, the entrance of the second pressure regulator valve 2 and the outlet of system pressure valve 6, lubrication
Kinetic pressure balancing 24 connects, and the outlet of pressure-control valve 3 connect with the 7th end of the second pressure regulator valve 2, the outlet of the first pressure regulator valve 1 and
The entrance of second pressure regulator valve 2 connects, and the 5th end of the second pressure regulator valve 2 is connect with lubrication kinetic pressure balancing 24, the first pressure regulator valve 1
The 5th end, the second pressure regulator valve 2 second end connect with the outlet of TC solenoid valve 23.
Specifically, pressure-control valve 3 controls the fuel feeding of TC solenoid valve 23, TC solenoid valve 23 passes through the first pressure regulator valve 1, second
Pressure regulator valve 2 controls locking and the unlock of TC, and extra flow provides the cooling of speed changer and lubrication by the adjusting of throttle orifice and needs
It asks, wherein pressure-control valve 3 is overflow valve, is controlled inlet pressure (0.3~1.2Mpa of pressure control range), when TC solenoid valve
23 pressure output controls, the pressure oil to come from working connection is by the adjusting of pressure-control valve 3, by the first pressure regulator valve 1 and the
Two pressure regulator valves 2 enter TC solenoid valve 23, to control locking and the unlock of TC.
Embodiment five
This embodiment offers novel hydraulic system schematic diagrams, referring to Figure 5, third provided by the embodiment of the present application
Solenoid valve (N90), the 4th solenoid valve (N92), the 5th solenoid valve (N93), the 6th solenoid valve (N282) and the 7th solenoid valve
It (N283) is the normal high pressure valve that maximum control pressure is exported after power-off, above-mentioned first solenoid valve (N88) and second solenoid valve
(N89) output is 0 after powering off;
Above-mentioned logic shift valve (10) is two-position valve;In the case where the power-off of all solenoid valves, above-mentioned logic shift valve
(10) it is in right position, cuts off the entrance of the 6th solenoid valve (N282) and the access of outlet, controls the 9th spool (13) and the tenth valve
Core (14) shutdown;When the entrance of the first solenoid valve (N88) is connected with the control oil circuit of outlet, the logic shift valve is controlled
(10) it is in left position, and then controls the 9th spool (13) and the conducting of the tenth spool (14), second clutch (C2) combines, second
After clutch (C2) combines, the logic shift valve (10) maintains left position.
In first gear, the entrance of above-mentioned 4th solenoid valve (N92) and outlet are connected, the 12nd spool (16) and the 13rd
Spool (17) conducting, first clutch (C1) combine;After power-off, above-mentioned logic shift valve (10) is in right position, the first solenoid valve
(N88) output is 0, and the control oil circuit of second clutch (C2) is cut off by above-mentioned logic shift valve (10), second clutch (C2)
It disconnects;The above-mentioned maximum control pressure of 4th solenoid valve (N92) output, controls the 12nd spool (16) and the 13rd spool (17) is led
It is logical, maintain first clutch (C1) to combine;The maximum control pressure of third solenoid valve (N90) output, controls the 14th spool (18)
It closes, and then controls the 18th spool (22) and the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1)
It is cut off, and, the maximum control pressure of third solenoid valve (N90) output controls the 15th spool (19) and the 16th spool
(20) it is connected, third clutch (C3) combines, and the first brake (B1) and third clutch (C3) are interlocking;Above-mentioned 14th valve
Core (18) is two-position three-way valve, and the maximum control pressure of output, controls the 14th valve when above-mentioned third solenoid valve (N90) powers off
Core (18) cuts off the control oil circuit of the 7th solenoid valve (N283) in left position, and then controls the 18th spool (22) and the tenth
Seven spools (21) shutdown, above-mentioned first brake (B1) disconnect;Above-mentioned third solenoid valve (N90) does not export control when restoring electricity
Pressure controls above-mentioned 14th spool (18) in right position, controls the control oil circuit conducting of above-mentioned 7th solenoid valve (N283).
In second gear, first clutch (C1) and the first brake (B1) are combined;After power-off, above-mentioned logic shift valve
(10) it is in right position, the first solenoid valve (N88) output is 0, and the control oil circuit of second clutch (C2) is by the logic shift valve
(10) it cuts off, second clutch (C2) disconnects;The above-mentioned maximum control pressure of 4th solenoid valve (N92) output, controls the 12nd valve
Core (16) and the conducting of the 13rd spool (17), maintain first clutch (C1) to combine;The maximum control of third solenoid valve (N90) output
Pressure, the 14th spool (18) of control are closed, and then control the 18th spool (22) and the shutdown of the 17th spool (21), the first system
The pilot control oil circuit of dynamic device (B1) is cut off, and, the maximum control pressure of third solenoid valve (N90) output, control the 15th
Spool (19) and the conducting of the 16th spool (20), third clutch (C3) combine.
In third gear, first clutch (C1) and third clutch (C3) are combined;After power-off, above-mentioned logic shift valve
(10) it is in right position, the first solenoid valve (N88) output is 0, and the control oil circuit of second clutch (C2) is by the logic shift valve
(10) it cuts off, second clutch (C2) disconnects;The above-mentioned maximum control pressure of 4th solenoid valve (N92) output, controls the 12nd valve
Core (16) and the conducting of the 13rd spool (17), maintain first clutch (C1) to combine;The maximum control of third solenoid valve (N90) output
Pressure, the 14th spool (18) of control are closed, and then control the 18th spool (22) and the shutdown of the 17th spool (21), the first system
The pilot control oil circuit of dynamic device (B1) is cut off, and, the maximum control pressure of third solenoid valve (N90) output, control the 15th
Spool (19) and the conducting of the 16th spool (20), maintain third clutch (C3) to combine.
In fourth gear, first clutch (C1) and second clutch (C2) are combined;After power-off, above-mentioned logic shift valve
(10) after second clutch (C2) combination, left position is maintained, and then second clutch (C2) is maintained to combine;Third solenoid valve
(N90) the maximum control pressure of output, the 14th spool (18) of control is closed, and then controls the 18th spool (22) and the 17th valve
The pilot control oil circuit of core (21) shutdown, the first brake (B1) is cut off, and, the maximum control of third solenoid valve (N90) output
Pressing pressure, controls the 15th spool (19) and the conducting of the 16th spool (20), and third clutch (C3) combines;11st spool
(15) the 4th end is connected with second clutch (C2), the 5th end of the 11st spool (15) and third clutch (C3) and the
One brake (B1) is connected, the second end of the above-mentioned maximum control pressure of 4th solenoid valve (N92) output to the 11st spool (15),
Above-mentioned second clutch (C2) exports feedback pressure to the 4th end of the 11st spool (15), and above-mentioned third clutch (C3) is to the
5th end of 11 spools (15) exports feedback pressure, controls the 12nd spool (16) and the shutdown of the 13rd spool (17), in turn
First clutch (C1) is controlled to disconnect.
In fifth gear, second clutch (C2) and third clutch (C3) are combined;After power-off, above-mentioned logic shift valve
(10) after second clutch (C2) combination, left position is maintained, and then second clutch (C2) is maintained to combine;Third solenoid valve
(N90) the maximum control pressure of output, the 14th spool (18) of control is closed, and then controls the 18th spool (22) and the 17th valve
The pilot control oil circuit of core (21) shutdown, the first brake (B1) is cut off, and, the maximum control of third solenoid valve (N90) output
Pressing pressure, controls the 15th spool (19) and the conducting of the 16th spool (20), and third clutch (C3) combines.
In sixth gear, second clutch (C2) and the first brake (B1) are combined;After power-off, above-mentioned logic shift valve
(10) after second clutch (C2) combination, left position is maintained, and then second clutch (C2) is maintained to combine;Third solenoid valve
(N90) the maximum control pressure of output, the 14th spool (18) of control is closed, and then controls the 18th spool (22) and the 17th valve
The pilot control oil circuit of core (21) shutdown, the first brake (B1) is cut off, and, the maximum control of third solenoid valve (N90) output
Pressing pressure, controls the 15th spool (19) and the conducting of the 16th spool (20), and third clutch (C3) combines.
When vehicle restarts engine, first clutch (C1) is combined;Above-mentioned logic shift valve (10) is in right position, the
One solenoid valve (N88) output be 0, the control oil circuit of second clutch (C2) is cut off by above-mentioned logic shift valve (10), second from
Clutch (C2) disconnects;The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then is controlled
18th spool (22) and the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1) are cut off, and, the
The maximum control pressure of three solenoid valves (N90) output, controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch
Device (C3) combines.
The third end of second spool (5) is connected with second clutch (C2), the 4th end respectively with third clutch (C3) with
And first brake (B1) be connected, in second gear to any gear between sixth gear, second clutch (C2), third clutch
(C3) and the output pressure of the first brake (B1) controls the second spool (5), and then controls the 7th spool (11) and the 8th valve
Core (12) shutdown, second brake (B2) disconnect.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features;And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (13)
1. a kind of automatic transmission characterized by comprising voltage control system, shifting control system, hydraulic torque converter lockout
And cooling and lubricating system, wherein voltage control system is connected with shifting control system, and shifting control system and fluid torque-converter are locked
Only and cooling and lubricating system is connected;
Voltage control system controls the principal pressure of the automatic transmission;
Shifting control system controls the automatic transmission and switches between different gears;
Hydraulic torque converter lockout and cooling and lubricating system control in the system locking of fluid torque-converter TC and unlock and described
The cooling and lubricating of automatic transmission.
2. automatic transmission as described in claim 1, which is characterized in that the voltage control system is by oil feed pump, system pressure
Power valve (6), the first pressure reducing valve (8), the second pressure reducing valve (9), system pressure control solenoid valve (N93) composition, wherein
The entrance of system pressure valve (6), the first pressure reducing valve (8) and the second pressure reducing valve (9) is connect with oil feed pump respectively, and first subtracts
The outlet of pressure valve (8) is connect with the entrance of system pressure control solenoid valve (N93), and system pressure controls going out for solenoid valve (N93)
Mouth is connect with the second end of system pressure valve (6).
3. automatic transmission as claimed in claim 2, which is characterized in that the shifting control system, including the first control are single
Member, the second control unit, third control unit, the 4th control unit and the 5th control unit, wherein
First control unit is by the first spool (4), the second spool (5), the 7th spool (11), the 8th spool (12), the 4th spool
(7), second solenoid valve (N89) forms, and the entrance of the first spool (4) is connect with oil feed pump, the outlet and second of the first spool (4)
The entrance of spool (5) connects, and the outlet of the second spool (5) is connect with the entrance of the 7th spool (11), and the 7th spool (11) goes out
Mouth is connect with the entrance of the 8th spool (12), and the outlet of the 8th spool (12) is connect with second brake (B2), the 8th spool
(12) the 5th end is connect with the outlet of second solenoid valve (N89), the 4th the 4th end of spool (7) and entering for the 7th spool (11)
Mouth connection;
Second control unit by logic shift valve (10), the 9th spool (13), the tenth spool (14), the 6th solenoid valve (N282),
First solenoid valve (N88) composition, the 9th spool (13), the tenth spool (14) entrance connect with the outlet of the first spool (4), the
The outlet of nine spools (13) and the tenth spool (14) is connect with second clutch (C2), the outlet of the first solenoid valve (N88) with patrol
The second end connection of shift valve (10) is collected, the entrance of logic shift valve (10) connect with the outlet of the 6th solenoid valve (N282), patrols
The outlet for collecting shift valve (10) is connect with the third end of the second end of the 9th spool (13) and the tenth spool (14), the 6th solenoid valve
(N282) it is connect with the entrance of the first solenoid valve (N88) with the outlet of the second pressure reducing valve (9);
Third control unit is by the 11st spool (15), the 12nd spool (16), the 13rd spool (17), the 4th solenoid valve
(N92) it forming, wherein the entrance of the 11st spool (15) is connect with the outlet of the first spool (4), and the of the 11st spool (15)
Two ends are connect with oil feed pump, the entrance company of the outlet of the 11st spool (15) and the 12nd spool (16) and the 13rd spool (17)
It connecing, the outlet of the 4th solenoid valve (N92) is connect with the third end of the second end of the 12nd spool (16) and the 13rd spool (17),
The outlet of 12nd spool (16) and the 13rd spool (17) is connect with first clutch (C1), and the 4th solenoid valve (N92's) enters
Mouth is connect with the outlet of the first pressure reducing valve (8);
4th control unit is made of third solenoid valve (N90), the 15th spool (19), the 16th spool (20), the 15th valve
Core (19), the 16th spool (20) entrance connect with oil feed pump, the outlet of the 15th spool (19) and the 16th spool (20)
It is connect with third clutch (C3), the second end and the 16th valve of the outlet of third solenoid valve (N90) and the 15th spool (19)
The third end of core (20) connects, and third solenoid valve (N90) is connect with the outlet of the second pressure reducing valve (9);
5th control unit is by the 7th solenoid valve (N283), the 14th spool (18), the 17th spool (21), the 18th spool
(22) it forms, the entrance of the 17th spool (21) and the 18th spool (22) is connect with oil feed pump, the 17th spool (21) and the
The outlet of 18 spools (22) is connect with the first brake (B1), the entrance and the 7th solenoid valve (N283) of the 14th spool (18)
Outlet connection, the second end of the 14th spool (18) connect with the outlet of third solenoid valve (N90), the 14th spool (18)
Outlet is connect with the third end of the second end of the 17th spool (21) and the 18th spool (22), the 7th solenoid valve (N283) and the
The outlet of two pressure reducing valves (9) connects.
4. automatic transmission as claimed in claim 3, which is characterized in that the hydraulic torque converter lockout and cooling and lubricating system
System, including pressure-control valve (3), the first pressure regulator valve (1), the second pressure regulator valve (2), TC solenoid valve (23) and lubrication dynamic pressure are flat
It weighs (24), pressure-control valve (3) controls the fuel feeding of TC solenoid valve (23), and TC solenoid valve (23) passes through the first pressure regulator valve (1), second
Pressure regulator valve (2) controls TC locking (25) and TC unlock (26), wherein
Outlet, the lubrication of pressure-control valve (3), the first pressure regulator valve (1), the entrance of the second pressure regulator valve (2) and system pressure valve (6)
Cooling kinetic pressure balancing connection, the outlet of pressure-control valve (3) are connect with the 7th end of the second pressure regulator valve (2), the first pressure regulator valve (1)
Outlet connect with the entrance of the second pressure regulator valve (2), the 5th end of the second pressure regulator valve (2) is connect with lubrication kinetic pressure balancing,
5th end of the first pressure regulator valve (1), the second end of the second pressure regulator valve (2) are connect with the outlet of TC solenoid valve.
5. automatic transmission as described in claim 1, which is characterized in that the third solenoid valve (N90), the 4th solenoid valve
(N92), the 5th solenoid valve (N93), the 6th solenoid valve (N282) and the 7th solenoid valve (N283) are the maximum control of output after power-off
Output is 0 after the normal high pressure valve of pressing pressure, first solenoid valve (N88) and second solenoid valve (N89) power-off;
The logic shift valve (10) is two-position valve;
In the case where the power-off of all solenoid valves, the logic shift valve (10) is in right position, cuts off the 6th solenoid valve (N282)
Entrance and outlet access, control the 9th spool (13) and the tenth spool (14) turn off;
When the entrance of the first solenoid valve (N88) is connected with the control oil circuit of outlet, controls the logic shift valve (10) and be in
Left position, and then the 9th spool (13) and the conducting of the tenth spool (14) are controlled, second clutch (C2) combines, in second clutch
(C2) after combining, the logic shift valve (10) maintains left position.
6. automatic transmission as claimed in claim 5, which is characterized in that in first gear, the 4th solenoid valve (N92)
Entrance and outlet are connected, and the 12nd spool (16) and the conducting of the 13rd spool (17), first clutch (C1) combine;
After power-off, the logic shift valve (10) is in right position, and the first solenoid valve (N88) output is 0, second clutch (C2)
Control oil circuit is cut off by the logic shift valve (10), and second clutch (C2) disconnects;
The maximum control pressure of 4th solenoid valve (N92) output, controls the 12nd spool (16) and the 13rd spool (17) is led
It is logical, maintain first clutch (C1) to combine;
The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then controls the 18th spool
(22) it is cut off with the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1), and, third solenoid valve
(N90) the maximum control pressure of output controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch (C3) knot
It closes, the first brake (B1) and third clutch (C3) are interlocking;
14th spool (18) is two-position three-way valve, output maximum control pressure when the third solenoid valve (N90) powers off,
It controls the 14th spool (18) and cuts off the control oil circuit of the 7th solenoid valve (N283) in left position, and then control the tenth
Eight spools (22) and the shutdown of the 17th spool (21), first brake (B1) disconnect;The third solenoid valve (N90) is restored
Pressure output control, control the 14th spool (18) do not control the 7th solenoid valve (N283) in right position when power supply
Control oil circuit conducting.
7. automatic transmission as claimed in claim 5, which is characterized in that in second gear, first clutch (C1) and first
Brake (B1) combines;
After power-off, the logic shift valve (10) is in right position, and the first solenoid valve (N88) output is 0, second clutch (C2)
Control oil circuit is cut off by the logic shift valve (10), and second clutch (C2) disconnects;
The maximum control pressure of 4th solenoid valve (N92) output, controls the 12nd spool (16) and the 13rd spool (17) is led
It is logical, maintain first clutch (C1) to combine;
The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then controls the 18th spool
(22) it is cut off with the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1), and, third solenoid valve
(N90) the maximum control pressure of output controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch (C3) knot
It closes.
8. automatic transmission as claimed in claim 5, which is characterized in that in third gear, first clutch (C1) and third
Clutch (C3) combines;
After power-off, the logic shift valve (10) is in right position, and the first solenoid valve (N88) output is 0, second clutch (C2)
Control oil circuit is cut off by the logic shift valve (10), and second clutch (C2) disconnects;
The maximum control pressure of 4th solenoid valve (N92) output, controls the 12nd spool (16) and the 13rd spool (17) is led
It is logical, maintain first clutch (C1) to combine;
The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then controls the 18th spool
(22) it is cut off with the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1), and, third solenoid valve
(N90) the maximum control pressure of output controls the 15th spool (19) and the conducting of the 16th spool (20), maintains third clutch
(C3) it combines.
9. automatic transmission as claimed in claim 5, which is characterized in that in fourth gear, first clutch (C1) and second
Clutch (C2) combines;
After power-off, the logic shift valve (10) maintains left position after second clutch (C2) combination, and then maintains the second clutch
Device (C2) combines;
The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then controls the 18th spool
(22) it is cut off with the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1), and, third solenoid valve
(N90) the maximum control pressure of output controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch (C3) knot
It closes;
4th end of the 11st spool (15) is connected with second clutch (C2), the 5th end of the 11st spool (15) and third from
Clutch (C3) and the first brake (B1) are connected, the maximum control pressure of the 4th solenoid valve (N92) output to the 11st valve
The second end of core (15), the second clutch (C2) export feedback pressure to the 4th end of the 11st spool (15), and described the
Three clutches (C3) export feedback pressure to the 5th end of the 11st spool (15), control the 12nd spool (16) and the 13rd valve
Core (17) shutdown, and then control first clutch (C1) and disconnect.
10. automatic transmission as claimed in claim 5, which is characterized in that in fifth gear, second clutch (C2) and third
Clutch (C3) combines;
After power-off, the logic shift valve (10) maintains left position after second clutch (C2) combination, and then maintains the second clutch
Device (C2) combines;
The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then controls the 18th spool
(22) it is cut off with the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1), and, third solenoid valve
(N90) the maximum control pressure of output controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch (C3) knot
It closes.
11. automatic transmission as claimed in claim 5, which is characterized in that in sixth gear, second clutch (C2) and first
Brake (B1) combines;
After power-off, the logic shift valve (10) maintains left position after second clutch (C2) combination, and then maintains the second clutch
Device (C2) combines;
The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then controls the 18th spool
(22) it is cut off with the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1), and, third solenoid valve
(N90) the maximum control pressure of output controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch (C3) knot
It closes.
12. automatic transmission as claimed in claim 5, which is characterized in that when vehicle restarts engine, first clutch
(C1) it combines;
The logic shift valve (10) is in right position, and the first solenoid valve (N88) output is 0, the control oil of second clutch (C2)
Road is cut off by the logic shift valve (10), and second clutch (C2) disconnects;
The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then controls the 18th spool
(22) it is cut off with the shutdown of the 17th spool (21), the pilot control oil circuit of the first brake (B1), and, third solenoid valve
(N90) the maximum control pressure of output controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch (C3) knot
It closes.
13. such as the described in any item automatic transmission of claim 6 to 11, which is characterized in that the third end of the second spool (5) with
Second clutch (C2) is connected, and the 4th end is connected with third clutch (C3) and the first brake (B1) respectively, in second gear
To between sixth gear when any gear, the output pressure of second clutch (C2), third clutch (C3) and the first brake (B1)
Power controls the second spool (5), and then controls the 7th spool (11) and the shutdown of the 8th spool (12), and second brake (B2) disconnects.
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CN201811180576.5A CN109268467B (en) | 2018-10-10 | 2018-10-10 | Automatic transmission |
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CN201811180576.5A CN109268467B (en) | 2018-10-10 | 2018-10-10 | Automatic transmission |
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CN109268467B CN109268467B (en) | 2024-04-19 |
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US20150027570A1 (en) * | 2013-07-29 | 2015-01-29 | Hyundai Motor Company | Hydraulic pressure supply system of automatic transmission for vehicle |
CN107061723A (en) * | 2017-05-11 | 2017-08-18 | 陕西法士特齿轮有限责任公司 | A kind of hydraulic control system of automatic speed changer |
JP2018145854A (en) * | 2017-03-03 | 2018-09-20 | 日立オートモティブシステムズ株式会社 | Control device of internal combustion engine |
CN209688024U (en) * | 2018-10-10 | 2019-11-26 | 湖南金润电液控制系统有限公司 | A kind of automatic transmission |
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2018
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JPH11344098A (en) * | 1998-06-03 | 1999-12-14 | Nissan Motor Co Ltd | Hydraulic control device for automatic transmission for vehicle |
CN101292103A (en) * | 2005-10-21 | 2008-10-22 | Zf腓德烈斯哈芬股份公司 | Control valve assembly for controlling a starting clutch of an automatic transmission |
US20150027570A1 (en) * | 2013-07-29 | 2015-01-29 | Hyundai Motor Company | Hydraulic pressure supply system of automatic transmission for vehicle |
JP2018145854A (en) * | 2017-03-03 | 2018-09-20 | 日立オートモティブシステムズ株式会社 | Control device of internal combustion engine |
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