CN209688024U - A kind of automatic transmission - Google Patents
A kind of automatic transmission Download PDFInfo
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- CN209688024U CN209688024U CN201821643378.3U CN201821643378U CN209688024U CN 209688024 U CN209688024 U CN 209688024U CN 201821643378 U CN201821643378 U CN 201821643378U CN 209688024 U CN209688024 U CN 209688024U
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- spool
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- solenoid valve
- clutch
- pressure
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Abstract
The utility model provides a kind of automatic transmission, belong to car transmissions technical field, the utility model 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, shifting control system is connected with hydraulic torque converter lockout and cooling and lubricating 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 utility model 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.
Utility model content
For above-mentioned problems of the prior art, the utility model provides a kind of automatic transmission, solves one
A failure gear causes engine speed to go beyond the limit of caused safety problem.
In a first aspect, the utility model embodiment provides a kind of automatic transmission, wherein include: voltage control system,
Shifting control system, hydraulic torque converter lockout and cooling and lubricating system, wherein voltage control system and shifting control system phase
Even, shifting control system is connected with hydraulic torque converter lockout and cooling and lubricating system；
The voltage control system by oil feed pump, system pressure valve (6), the first pressure reducing valve (8), the second pressure reducing valve (9), be
System electromagnetic pressure control 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 utility model embodiment provide the of first aspect
A kind of possible embodiment, wherein the shifting control system, including first control unit, the second control unit, third control
Unit, the 4th control unit and the 5th control unit processed, 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) forms, the 9th spool (13), the entrance of the tenth spool (14) and the first spool (4) out
Mouth connection, the outlet of the 9th spool (13) and the tenth spool (14) are connect with second clutch (C2), the first solenoid valve (N88)
Outlet connect with the second end of logic shift valve (10), the entrance of logic shift valve (10) and the 6th solenoid valve (N282)
The third end of outlet connection, the second end and the tenth spool (14) of the outlet of logic shift valve (10) and the 9th spool (13) connects
It connects, the entrance of the 6th 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 forms, wherein the entrance of the 11st spool (15) is connect with the outlet of the first spool (4), the 11st spool (15)
Second end is connect with oil feed pump, and the outlet of the 11st spool (15) and the 12nd spool (16) and the 13rd spool (17) enter
Mouth connection, the outlet and the second end of the 12nd spool (16) and the third end of the 13rd spool (17) of the 4th solenoid valve (N92)
Connection, 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)；
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
The entrance of spool (22) composition, the 17th spool (21) and the 18th spool (22) is connect with oil feed pump, the 17th spool (21)
Outlet with the 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 with reference to first aspect the first, the utility model embodiment provide the of first aspect
Two kinds of possible embodiments, wherein the hydraulic torque converter lockout and cooling and lubricating system, including pressure-control valve (3),
One pressure regulator valve (1), the 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) processed, TC solenoid valve (23) control TC locking by the first pressure regulator valve (1), the second pressure regulator valve (2)
(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.
The possible embodiment of second with reference to first aspect, the utility model embodiment provide the of first aspect
Three kinds of possible embodiments, wherein the third solenoid valve (N90), the 4th solenoid valve (N92), system pressure control electromagnetism
Valve (N93), the 6th solenoid valve (N282) and the 7th solenoid valve (N283) are the normal high pressure of the maximum control pressure of output after power-off
Output is 0 after power valve, 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) 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 third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Four kinds of possible embodiments, wherein in first gear, the entrance of the 4th solenoid valve (N92) and outlet are connected, and the tenth
Two spools (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) 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 electricity
The maximum control pressure of magnet valve (N90) output, controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch
(C3) it combines, 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 third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Five kinds of possible embodiments, 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 electricity
The maximum control pressure of magnet valve (N90) output, controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch
(C3) it combines.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Six kinds of possible embodiments, 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 electricity
The maximum control pressure of magnet valve (N90) output, controls the 15th spool (19) and the conducting of the 16th spool (20), maintains third clutch
Device (C3) combines.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Seven kinds of possible embodiments, 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 electricity
The maximum control pressure of magnet valve (N90) output, controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch
(C3) it combines；
4th end of the 11st spool (15) is connected with second clutch (C2), the 5th end of the 11st spool (15) with
Third clutch (C3) and the first brake (B1) are connected, the maximum control pressure of the 4th solenoid valve (N92) output to the
The second end of 11 spools (15), the second clutch (C2) export feedback pressure to the 4th end of the 11st spool (15),
The third clutch (C3) to the 5th end of the 11st spool (15) export feedback pressure, control the 12nd spool (16) and
The shutdown of 13rd spool (17), and then control first clutch (C1) and disconnect.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Eight kinds of possible embodiments, 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 electricity
The maximum control pressure of magnet valve (N90) output, controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch
(C3) it combines.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Nine kinds of possible embodiments, 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 electricity
The maximum control pressure of magnet valve (N90) output, controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch
(C3) it combines.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Ten kinds of possible embodiments, 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 electricity
The maximum control pressure of magnet valve (N90) output, controls the 15th spool (19) and the conducting of the 16th spool (20), third clutch
(C3) it combines.
The 4th kind with reference to first aspect may be to the 9th 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 utility model embodiment brings following the utility model has the advantages that a kind of fluid drive provided by the embodiment of the utility model
Device, comprising: voltage control system, shifting control system, hydraulic torque converter lockout and cooling and lubricating system, wherein Regulation Control
System is connected with shifting control system, and shifting control system is connected with hydraulic torque converter lockout and cooling and lubricating system；It adjusts first
Pressure control system controls the principal pressure of the automatic transmission；Secondly shifting control system controls the automatic transmission difference gear
It is switched between position；And hydraulic torque converter lockout and cooling and lubricating system control the lock of fluid torque-converter TC in the system
Only and unlock and the automatic transmission cooling and lubricating.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is achieved and obtained in book and attached drawing.
To enable the above objects, features, and advantages of the utility model 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 right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it 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 an embodiment of the present invention；
Fig. 2 is the structural block diagram of voltage control system provided by an embodiment of the present invention；
Fig. 3 is the structural block diagram of shifting control system provided by an embodiment of the present invention；
Fig. 4 is the structural frames of hydraulic torque converter lockout provided by an embodiment of the present invention and cooling and lubricating system
Figure.
Fig. 5 is novel hydraulic system schematic diagram provided by an embodiment of the present 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 processed；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-
Second spool；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-
7th spool；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-
13rd spool；The 14th spool of 18-；The 15th spool of 19-；The 16th spool of 20-；The 17th spool of 21-；22- the 18th
Spool；23-TC solenoid valve；24- lubrication kinetic pressure balancing；25-TC locking；26-TC unlock；The first solenoid valve of N88-；N89-
Second solenoid valve；N90- third solenoid valve；The 4th solenoid valve of N92-；N93- system pressure controls solenoid valve；The 6th electricity of N282-
Magnet 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
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model a part is real
Example is applied, instead of all the embodiments.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can
To arrange and design with a variety of different configurations.Therefore, below to the embodiments of the present invention provided in the accompanying drawings
Detailed description is not intended to limit the range of claimed invention, but is merely representative of the selected reality of the utility model
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
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 utility model embodiment provides a kind of automatic transmission, below
It describes in detail first to the structural block diagram of the automatic transmission of the utility model.
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 is controlled by oil feed pump 110, 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 respectively with oil feed pump
The outlet of 110 connections, the first pressure reducing valve 8 is connect with the entrance of system pressure control solenoid valve N93, and system pressure controls solenoid valve
The outlet of N93 is 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 valve
The entrance of core (11) connects.
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) forms, the 9th spool (13), the entrance of the tenth spool (14) and the first spool (4) out
Mouth connection, the outlet of the 9th spool (13) and the tenth spool (14) are connect with second clutch (C2), the first solenoid valve (N88)
Outlet connect with the second end of logic shift valve (10), the entrance of logic shift valve (10) and the 6th solenoid valve (N282)
The third end of outlet connection, the second end and the tenth spool (14) of the outlet of logic shift valve (10) and the 9th spool (13) connects
It connects, the entrance of the 6th 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
Connected state, the 6th solenoid valve (N282) pressure output control control the second end and the tenth spool (14) of the 9th spool (13)
Third end so that after main oil pressure power first passes through the 9th spool (13), into second clutch (C2), when the 6th solenoid valve
(N282) when exporting maximum pressure, the tenth spool (14) commutation, system pressure enters second clutch by the tenth spool (14)
(C2), two-stage pressure-regulating is realized.
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 valve
The outlet of core (21) and the 18th spool (22) is connect with the first brake (B1), the entrance of the 14th spool (18) and the 7th electricity
The outlet of magnet valve (N283) connects, and the second end of the 14th spool (18) is connect with the outlet of third solenoid valve (N90), and the tenth
The outlet of four spools (18) is connect with the third end of the second end of the 17th spool (21) and the 18th spool (22), the 7th electricity
Magnet valve (N283) 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
Apply for hydraulic torque converter lockout and cooling and lubricating system 301 provided by embodiment, including pressure-control valve 3, the first pressure regulator valve
1, the 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), system pressure control solenoid valve (N93), the 6th solenoid valve (N282) and the 7th
Solenoid valve (N283) is the normal high pressure valve of the maximum control pressure of output after power-off, above-mentioned first solenoid valve (N88) and the second electricity
Output is 0 after magnet valve (N89) power-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 tenth
Three spools (17) conducting, first clutch (C1) combine；After power-off, above-mentioned logic shift valve (10) is in right position, the first electromagnetism
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) it is connected, first clutch (C1) is maintained to combine；The maximum control pressure of third solenoid valve (N90) output, controls the 14th valve
Core (18) is closed, and then controls the 18th spool (22) and the shutdown of the 17th spool (21), guide's control of the first brake (B1)
Liquefaction road is cut off, and, the maximum control pressure of third solenoid valve (N90) output controls the 15th spool (19) and the 16th
Spool (20) conducting, third clutch (C3) combine, and the first brake (B1) and third clutch (C3) are interlocking；Above-mentioned
14 spools (18) are two-position three-way valve, output maximum control pressure when above-mentioned third solenoid valve (N90) powers off, described in control
14th spool (18) cuts off the control oil circuit of the 7th solenoid valve (N283) in left position, and then controls the 18th spool
(22) it is disconnected with the shutdown of the 17th spool (21), above-mentioned first brake (B1)；When above-mentioned third solenoid valve (N90) restores electricity
Not pressure output control controls above-mentioned 14th spool (18) in right position, controls the control oil of above-mentioned 7th solenoid valve (N283)
Road conducting.
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
Pressing 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
The pilot control oil circuit of one brake (B1) is cut off, and, the maximum control pressure of third solenoid valve (N90) output, control the
15 spools (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
Pressing 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
The pilot control oil circuit of one brake (B1) is cut off, and, the maximum control pressure of third solenoid valve (N90) output, control the
15 spools (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,
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) disconnects；The maximum control pressure of third solenoid valve (N90) output, the 14th spool (18) of control is closed, and then is controlled
The 18th spool (22) and the shutdown of the 17th spool (21) are made, the pilot control oil circuit of the first brake (B1) is cut off, with
And the maximum control pressure of third solenoid valve (N90) output, the 15th spool (19) and the conducting of the 16th spool (20) are controlled, the
Three clutches (C3) combine.
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 utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are 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 specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right
Subject to the protection scope asked.
Claims (12)
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；
The voltage control system is by oil feed pump, system pressure valve (6), the first pressure reducing valve (8), the second pressure reducing valve (9), system pressure
Power controls 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).
2. automatic transmission as described in claim 1, 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.
3. automatic transmission as claimed in claim 2, 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.
4. automatic transmission as claimed in claim 3, which is characterized in that the third solenoid valve (N90), the 4th solenoid valve
(N92), system pressure control solenoid valve (N93), the 6th solenoid valve (N282) and the 7th solenoid valve (N283) are defeated after powering off
Output is 0 after the normal high pressure valve of maximum control pressure out, 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.
5. automatic transmission as claimed in claim 4, 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.
6. automatic transmission as claimed in claim 4, 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.
7. automatic transmission as claimed in claim 4, 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.
8. automatic transmission as claimed in claim 4, 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.
9. automatic transmission as claimed in claim 4, 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.
10. automatic transmission as claimed in claim 4, 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.
11. automatic transmission as claimed in claim 4, 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.
12. such as the described in any item automatic transmission of claim 5 to 10, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821643378.3U CN209688024U (en) | 2018-10-10 | 2018-10-10 | A kind of automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821643378.3U CN209688024U (en) | 2018-10-10 | 2018-10-10 | A kind of automatic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209688024U true CN209688024U (en) | 2019-11-26 |
Family
ID=68594126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821643378.3U Active CN209688024U (en) | 2018-10-10 | 2018-10-10 | A kind of automatic transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268467A (en) * | 2018-10-10 | 2019-01-25 | 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268467A (en) * | 2018-10-10 | 2019-01-25 | 湖南金润电液控制系统有限公司 | A kind of automatic transmission |
| CN109268467B (en) * | 2018-10-10 | 2024-04-19 | 湖南金润电液控制系统有限公司 | Automatic transmission |
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