CN203670743U - Dual-clutch automatic transmission hydraulic control system and corresponding transmission and automobile - Google Patents

Dual-clutch automatic transmission hydraulic control system and corresponding transmission and automobile Download PDF

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Publication number
CN203670743U
CN203670743U CN201320767137.0U CN201320767137U CN203670743U CN 203670743 U CN203670743 U CN 203670743U CN 201320767137 U CN201320767137 U CN 201320767137U CN 203670743 U CN203670743 U CN 203670743U
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China
Prior art keywords
control system
hydraulic control
clutch
selector valve
valve
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Active
Application number
CN201320767137.0U
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Chinese (zh)
Inventor
王成立
王建华
郑立朋
赵运珠
唐广清
高建成
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Beehive transmission technology Hebei Co., Ltd
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Great Wall Motor Co Ltd
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Priority to CN201320767137.0U priority Critical patent/CN203670743U/en
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Abstract

The utility model discloses a dual-clutch automatic transmission hydraulic control system and a corresponding transmission and automobile. The hydraulic control system comprises a main oil channel, an odd-number gear clutch, an even-number gear clutch, an odd-number gear hydraulic control system and an even-number gear hydraulic control system. A first pressure control valve and a second pressure control valve are arranged on oil channels of the odd-number gear clutch and the even-number gear clutch respectively. Two ends of corresponding reversing valves of the odd-number gear hydraulic control system and the even-number gear hydraulic control system are connected with the main oil channel and corresponding pressure control valves through corresponding subsidiary oil channels respectively. According to the dual-clutch automatic transmission hydraulic control system, the reversing valves of the gear hydraulic control systems are connected with the clutch control oil channels to associate motions during gear shifting with on-off of the clutch control oil channels, and accordingly, execution elements in the hydraulic control system are reduced, the cost is reduced, and the hydraulic control system is applicable to various dual-clutch automatic transmissions, further, the corresponding dual-clutch automatic transmission can be applied to various automobiles.

Description

Hydraulic control system of dual-clutch automatic transmission and corresponding speed changer and automobile
Technical field
The utility model belongs to motor vehicle technology field, relates to transmission of vehicle, specifically a kind of hydraulic control system of dual-clutch automatic transmission, and there is speed changer and the automobile of this system.
Background technique
Along with the fast development of vehicle control system automation, automatic transmission is just presenting rapid growth momentum.Double-clutch speed changer (Dual Clutch Transmission) DCT is different from general Transmission System, it is based on manual transmission and be automatic transmission, except having the flexibility of manual transmission and the travelling comfort of automatic transmission, can also provide unremitting power output.Because DCT speed changer possesses the feature of high fuel economy, low emission, good comfort, also can inherit the resource that existing manual transmission is produced and technology drops into simultaneously, be subject to gradually the attention of domestic and international Ge great auto vendor, become the target of automotive transmission industry new-product development.
Double-clutch automatic gearbox of the prior art, for the oil sources of cut-off clutch in the situation that clutch breaks down, all be provided with Safety control valve at the front end of clutch control valve, this Safety control valve is what to separate with the oil circuit of gearshift hydraulic system, cause the hydraulic actuator of integrated hydraulic system more, and then increased the complexity of cost and system.
Model utility content
For solving the above deficiency existing in prior art, the utility model provides a kind of hydraulic control system of dual-clutch automatic transmission, utilize the selector valve in shifting position hydraulic control system to realize the control that clutch oil circuit is disconnected or connected, the quantity that has reduced executive component in whole hydraulic control system under the prerequisite of guaranteeing security of system, has reduced cost;
Another one object of the present utility model, is to provide the speed changer with above-mentioned hydraulic control system of dual-clutch automatic transmission;
The utility model also has an object, is to provide the automobile with above-mentioned speed changer.
For achieving the above object, the technological scheme that the utility model adopts is as follows:
A kind of hydraulic control system of dual-clutch automatic transmission, comprise working connection, odd number gear clutch, even number gear clutch, odd number gear hydraulic control system, even number gear hydraulic control system, the oil circuit of described odd number gear clutch is provided with the first pressure controlled valve, and the oil circuit of even number gear clutch is provided with the second pressure controlled valve;
Described odd number gear hydraulic control system comprises the first selector valve, and the two ends of described the first selector valve are connected with working connection, the first pressure controlled valve by the first seed oil road, the second seed oil road respectively;
Described even number gear hydraulic control system comprises the second selector valve, and the two ends of described the second selector valve are connected with working connection, the second pressure controlled valve by the 3rd seed oil road, the 4th seed oil road respectively.
As to restriction of the present utility model:
Described odd number gear hydraulic control system also comprises the first control valve, the 3rd selector valve, one or three gear shift forks, five or seven gear shift forks;
One end of described the first control valve connects working connection, and the other end connects one end of the first selector valve;
The other end of the first selector valve connects one end of the 3rd selector valve;
The other end of the 3rd selector valve connects one or three gear shift forks, five or seven gear shift forks.
As to further restriction of the present utility model:
Between described the first selector valve and working connection, be connected with the 3rd pressure controlled valve.
Between described the 3rd selector valve and working connection, be connected with the 3rd control valve.
As another kind of the present utility model is limited:
Described even number gear hydraulic control system also comprises the second control valve, the 4th selector valve, two or four gear shift forks, six back forks;
One end of described the second control valve connects working connection, and the other end connects one end of the second selector valve;
The other end of the second selector valve connects one end of the 4th selector valve;
The other end of the 4th selector valve connects two or four gear shift forks, six back forks.
As further restriction:
Between described the second selector valve and working connection, be connected with the 4th pressure controlled valve.
Between described the 4th selector valve and working connection, be connected with the 3rd control valve.
The utility model provides a kind of speed changer simultaneously, is double-clutch automatic gearbox, the hydraulic control system of dual-clutch automatic transmission that its hydraulic control system is said structure.
The utility model also provides a kind of automobile, the speed changer that its speed change gear is said structure.
Owing to having adopted technique scheme, compared with prior art, obtained technological progress is the utility model:
Hydraulic control system of dual-clutch automatic transmission of the present utility model, the two ends of the first selector valve are connected with working connection, the first pressure controlled valve by the first seed oil road, the second seed oil road respectively, utilize the first selector valve to realize the control to the first pressure controlled valve, when gearshift, the first selector valve can be controlled gear and hang into odd number and keep off, can cut off again the oil circuit of the first pressure controlled valve, make the odd number gear clutch can not combination in the situation that putting into gear in advance; In like manner, the second selector valve also can be controlled even number gear clutch, makes the even number gear clutch can not be in conjunction with when pre-hung even number gear; In addition, utilize the first selector valve, the second selector valve to replace respectively in prior art and be arranged on the Safety control valve on odd number gear clutch, even number gear clutch oil circuit, reduced the quantity of executive component in whole hydraulic control system, reduced cost.
Hydraulic control system of dual-clutch automatic transmission of the present utility model is suitable for the hydraulic control system of making various double-clutch automatic gearboxes, and further, corresponding double-clutch automatic gearbox can be applicable on various automobiles.
Accompanying drawing explanation
Below in conjunction with drawings and the specific embodiments, the utility model is done further to describe in detail.
Fig. 1 is the utility model embodiment 1 structural representation.
In figure: 1, working connection; 2, the first control valve; 3, the first seed oil road; 4, the 3rd pressure controlled valve; 5, the second control valve; 6, the 3rd seed oil road; 7, the 4th pressure controlled valve; 9, the 3rd control valve; 10, the second selector valve; 11, the 4th selector valve; 12, six back forks; 13, two or four gear shift forks; 14, the second pressure controlled valve; 15, the 4th seed oil road; 16, five or seven gear shift forks; 17, the 3rd selector valve; 18, the first selector valve; 19, the 15 seed oil road; 20, the 16 seed oil road; 21, one or three gear shift forks; 22, the first pressure controlled valve; 23, the second seed oil road; 24, the 5th seed oil road; 25, the 6th seed oil road; 26, the 7th seed oil road; 27, the 8th seed oil road; 28, the 9th seed oil road; 29, the tenth seed oil road; 30, the 11 seed oil road; 31, the 12 seed oil road; 32, the 13 seed oil road; 33, the 14 seed oil road.
Embodiment
embodiment 1
A kind of seven fast hydraulic control system of dual-clutch automatic transmissions, structure as shown in Figure 1, comprises working connection 1, odd number gear clutch, even number gear clutch, odd number gear hydraulic control system, even number gear hydraulic control system.
Odd number gear hydraulic control system comprises the first control valve 2, the first selector valve 18, the 3rd pressure controlled valve 4, the 3rd selector valve 17,1 gear shift forks 21 (i.e. selector fork between a gear and three gears), five or seven gear shift forks 16.
One end of the first control valve 2 connects working connection 1, and the other end connects the left port of the first selector valve 18.
A hydraulic fluid port of the first selector valve 18 lower ends connects working connection 1 by the first seed oil road 3, two hydraulic fluid ports that another hydraulic fluid port of lower end connects the 3rd pressure controlled valve 4, the first selector valve 18 upper ends by the 5th seed oil road 24 connect respectively two hydraulic fluid ports of the 3rd selector valve 17 lower ends by the 6th seed oil road 25, the 7th seed oil road 26.
Two hydraulic fluid ports of the 3rd selector valve 17 upper ends connect one or three gear shift fork 21,57 gear shift forks 16 by the 8th seed oil road 27, the 9th seed oil road 28 respectively.
Even number gear hydraulic control system comprises the second control valve 5, the second selector valve 10, the 4th pressure controlled valve 7, the 4th selector valve 11,24 gear shift forks 13, six back forks 12.
One end of the second control valve 5 connects working connection 1, and the other end connects the left port of the second selector valve 10.
A hydraulic fluid port of the second selector valve 10 lower ends connects working connection 1 by the 3rd seed oil road 6, and another hydraulic fluid port of lower end connects the 4th pressure controlled valve 7 by the tenth seed oil road 29.
Two hydraulic fluid ports of the second selector valve 10 upper ends connect respectively two hydraulic fluid ports of the 4th selector valve 11 lower ends by the 30, the 12 seed oil road 31, the 11 seed oil road.
Two hydraulic fluid ports of the 4th selector valve 11 upper ends connect two or four gear shift forks 13, six back forks 12 by the 32, the 14 seed oil road 33, the 13 seed oil road respectively.
First to fourth selector valve 18,10,17,11 is two position switching valves, and has respectively left position and right position.
Two hydraulic fluid ports of the first selector valve 18 are connected with two hydraulic fluid ports of the second selector valve 10 by the 19, the 16 seed oil road 20, the 15 seed oil road respectively.
Between the right output port of the 3rd selector valve 17, the right output port of the 4th selector valve 11 and working connection 1, be connected with the 3rd control valve 9.
The oil circuit of odd number gear clutch is provided with the first pressure controlled valve 22, and it is connected with a hydraulic fluid port of the first selector valve 18 upper ends by the second seed oil road 23.
The oil circuit of even number gear clutch is provided with the second pressure controlled valve 14, and it is connected with a hydraulic fluid port of the second selector valve 10 upper ends by the 4th seed oil road 15.
The solenoidoperated cluthes combination of the present embodiment or disconnection working procedureas follows:
Keep off as example to hang odd number, under normality, the first selector valve 18 is operated in right position, and working connection 1 is connected by the first seed oil road 3, the first selector valve 18 and the second seed oil road 23, the combination of odd number gear clutch;
When carrying out odd number gear while putting into gear in advance, the first control valve 2 is shifted the first selector valve 18 onto left position, the 3rd selector valve 17 is operated in left position, now the 6th seed oil road 25(or the 7th seed oil road 26), the 8th seed oil road 27(or the 9th seed oil road 28) connect, realizing odd number gear puts into gear in advance, the first seed oil road 3 and the second seed oil road 23 disconnect, and the oil circuit of odd number gear clutch is obstructed, and therefore odd number gear clutch can not combination in the situation that pre-hung odd number keeps off;
Gear is suspended to after odd number gear, and the first control valve 2 power-off make the first selector valve 18 get back to right position, and now the first seed oil road 3 and the second seed oil road 23 are connected, the combination of odd number gear clutch;
Same principle, the second selector valve 10 also can be controlled even number gear clutch, makes the even number gear clutch can not be in conjunction with when pre-hung even number gear.
embodiment 2
A kind of seven fast double-clutch automatic gearboxes, its difference with the prior art is only: the seven fast hydraulic control system of dual-clutch automatic transmissions that its hydraulic control system provides for embodiment 1.
The structure of these seven fast double-clutch automatic gearbox other parts is same as the prior art.
embodiment 3
A kind of automobile, this automobile difference with the prior art is only: the seven fast double-clutch automatic gearboxes that its speed change gear provides for embodiment 2.
The structure of this automobile other parts is same as the prior art.

Claims (9)

1. a hydraulic control system of dual-clutch automatic transmission, comprises working connection (1), odd number gear clutch, even number gear clutch, odd number gear hydraulic control system, even number gear hydraulic control system, it is characterized in that:the oil circuit of described odd number gear clutch is provided with the first pressure controlled valve (22), and the oil circuit of even number gear clutch is provided with the second pressure controlled valve (14);
Described odd number gear hydraulic control system comprises the first selector valve (18), and the two ends of described the first selector valve (18) are connected with working connection (1), the first pressure controlled valve (22) by the first seed oil road (3), the second seed oil road (23) respectively;
Described even number gear hydraulic control system comprises the second selector valve (10), and the two ends of described the second selector valve (10) are connected with working connection (1), the second pressure controlled valve (14) by the 3rd seed oil road (6), the 4th seed oil road (15) respectively.
2. hydraulic control system of dual-clutch automatic transmission according to claim 1, it is characterized in that:
Described odd number gear hydraulic control system also comprises the first control valve (2), the 3rd selector valve (17), one or three gear shift forks (21), five or seven gear shift forks (16);
One end of described the first control valve (2) connects working connection (1), and the other end connects one end of the first selector valve (18);
The other end of the first selector valve (18) connects one end of the 3rd selector valve (17);
The other end of the 3rd selector valve (17) connects one or three gear shift forks (21), five or seven gear shift forks (16).
3. hydraulic control system of dual-clutch automatic transmission according to claim 2, it is characterized in that:between described the first selector valve (18) and working connection (1), be connected with the 3rd pressure controlled valve (4).
4. hydraulic control system of dual-clutch automatic transmission according to claim 2, it is characterized in that:between described the 3rd selector valve (17) and working connection (1), be connected with the 3rd control valve (9).
5. hydraulic control system of dual-clutch automatic transmission according to claim 1, it is characterized in that:described even number gear hydraulic control system also comprises the second control valve (5), the 4th selector valve (11), two or four gear shift fork (13), six back forks (12);
One end of described the second control valve (5) connects working connection (1), and the other end connects one end of the second selector valve (10);
The other end of the second selector valve (10) connects one end of the 4th selector valve (11);
The other end of the 4th selector valve (11) connects two or four gear shift fork (13), six back forks (12).
6. hydraulic control system of dual-clutch automatic transmission according to claim 5, it is characterized in that:between described the second selector valve (10) and working connection (1), be connected with the 4th pressure controlled valve (7).
7. hydraulic control system of dual-clutch automatic transmission according to claim 5, it is characterized in that:between described the 4th selector valve (11) and working connection (1), be connected with the 3rd control valve (9).
8. a speed changer, is double-clutch automatic gearbox, with hydraulic control system, it is characterized in that:described hydraulic control system is the hydraulic control system of dual-clutch automatic transmission described in any one in claim 1-7.
9. an automobile, comprises speed change gear, it is characterized in that:described speed change gear is speed changer claimed in claim 8.
CN201320767137.0U 2013-11-29 2013-11-29 Dual-clutch automatic transmission hydraulic control system and corresponding transmission and automobile Active CN203670743U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320767137.0U CN203670743U (en) 2013-11-29 2013-11-29 Dual-clutch automatic transmission hydraulic control system and corresponding transmission and automobile

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Application Number Priority Date Filing Date Title
CN201320767137.0U CN203670743U (en) 2013-11-29 2013-11-29 Dual-clutch automatic transmission hydraulic control system and corresponding transmission and automobile

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Publication Number Publication Date
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104329454A (en) * 2014-10-09 2015-02-04 重庆青山工业有限责任公司 Hydraulic system for shifting of dual-clutch transmission
CN104454685A (en) * 2014-09-28 2015-03-25 长城汽车股份有限公司 Hydraulic control system, double-clutch transmission and automobile
CN112879553A (en) * 2021-01-20 2021-06-01 杭州前进齿轮箱集团股份有限公司 Power shift transmission and control method thereof
CN112879554A (en) * 2021-01-20 2021-06-01 杭州前进齿轮箱集团股份有限公司 Starting gear shifting control method and system of single-steel-wheel road roller and storage medium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104454685A (en) * 2014-09-28 2015-03-25 长城汽车股份有限公司 Hydraulic control system, double-clutch transmission and automobile
CN104329454A (en) * 2014-10-09 2015-02-04 重庆青山工业有限责任公司 Hydraulic system for shifting of dual-clutch transmission
CN112879553A (en) * 2021-01-20 2021-06-01 杭州前进齿轮箱集团股份有限公司 Power shift transmission and control method thereof
CN112879554A (en) * 2021-01-20 2021-06-01 杭州前进齿轮箱集团股份有限公司 Starting gear shifting control method and system of single-steel-wheel road roller and storage medium

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20191113

Address after: 071000 No.75, Dongsheng Road, Lianchi District, Baoding City, Hebei Province

Patentee after: Beehive transmission technology Hebei Co., Ltd

Address before: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding

Patentee before: Changcheng Automobile Co., Ltd.