CN201395060Y - Clutch automatic control system - Google Patents

Clutch automatic control system Download PDF

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Publication number
CN201395060Y
CN201395060Y CN2009201408309U CN200920140830U CN201395060Y CN 201395060 Y CN201395060 Y CN 201395060Y CN 2009201408309 U CN2009201408309 U CN 2009201408309U CN 200920140830 U CN200920140830 U CN 200920140830U CN 201395060 Y CN201395060 Y CN 201395060Y
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CN
China
Prior art keywords
clutch
control
control system
pneumatic
master cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009201408309U
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Chinese (zh)
Inventor
冯静
周兴利
梁锋
余锦海
陈建勇
冒晓建
卓欢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Yuchai Machinery Co Ltd
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Guangxi Yuchai Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN2009201408309U priority Critical patent/CN201395060Y/en
Application granted granted Critical
Publication of CN201395060Y publication Critical patent/CN201395060Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

The utility model discloses a clutch automatic control system which directly acts on a clutch master cylinder and comprises an execution device and a control device, wherein the execution device comprises a push bar mechanism assembly which is connected with the clutch master cylinder and a pneumatic thrust pump which provides power for the push bar mechanism assembly, the control device comprisesan atmospheric control valve and an electric control unit, the atmospheric control valve is connected with an inlet of the pneumatic thrust pump via an air pipe, and the electric control unit is usedfor controlling the opening or closing of the atmospheric control valve. The clutch automatic control system is independent of a mechanical control system which acts on the clutch master cylinder, and the clutch automatic control system is also connected with the mechanical control system in parallel. The clutch automatic control system of the utility model can lead two operations of automatic control and mechanical operation to switch simply, thereby indirectly enhancing the use reliability of vehicles.

Description

A kind of clutch automatic control system
Technical field
The utility model relates to a kind of clutch control, particularly possesses the clutch control of conventional manual operation and two kinds of mode of operations of automatic guidance.
Background technology
Automobile industry is the important backbone industry of national economy, and industry chain length, degree of association height, employment is wide, the consumption pulling is big, is bringing into play important effect in national economy and social development.At present, China's automotive market is in the rise period, and state key is supported high-power diesel engine and high pressure fuel injection electric-control system, after-treatment system and the research and development of commercial vehicle/comm..vehicle self shifter mechanical transmission gordian techniquies such as (AMT).Break through the integrated gordian technique of heavy type commercial chassis, improve the car load driver comfort and control stability.
Control to power-transfer clutch during vehicle start has proposed very high requirement.In traditional mechanical type gearshift, require chaufeur according to different road environment conditions during starting, various factors such as load are accurately judged the position at power-transfer clutch half junction, to guarantee the gentle start of vehicle; Simultaneously, also require accurate, the coordination of cooperation of the control action of pedal of clutch, Das Gaspedal.The power-transfer clutch complicated operations requires to be easy to cause clutch operating improper, causes impact in the vehicle start process and wearing and tearing etc.At these shortcoming and defect, the meaning of researching and developing the traditional manual control clutch system of a kind of automatic guidance clutch system replacement is great.
At present, though had how tame unit to develop multi-form electric clutch control system both at home and abroad, what mostly adopt is the scheme integrated with AMT, is not system independently, is unfavorable for applying.And when electric clutch control system in the past uses on car load, because structural limitations, can not realize automatically and manual operation and depositing, and separate control, therefore cancelled traditional clutch operating mechanism, can't continue to travel in case the result is an electric clutch control system inefficacy vehicle, increase the risk of car load operation.
The utility model content
At the deficiencies in the prior art, the utility model provides a kind of clutch automatic control system, and is separate with the mechanical control system of routine, can effectively improve the reliability that vehicle uses.
Clutch automatic control system of the present utility model directly acts on clutch master cylinder, comprise executive device and control setup, wherein executive device comprises and clutch master cylinder bonded assembly transfer bar mechanism assembly and pneumatic thrust pump that power is provided for the transfer bar mechanism assembly; Control setup comprises pneumatic control valve and ECU (Electrical Control Unit), and pneumatic control valve links to each other with the pneumatic thrust pump inlet by tracheae, and ECU (Electrical Control Unit) is used to control the switching of pneumatic control valve.
In the technique scheme, autonomous cruise speed system is independent of the Machinery Control System that acts on clutch master cylinder, and in parallel with Machinery Control System.
In the technique scheme, pneumatic control valve comprises first control cock and second control cock, and wherein first control cock is used for the suction quantity control of pneumatic thrust pump, and second control cock is used for the free air capacity control of pneumatic thrust pump.
In the technique scheme, but the transfer bar mechanism assembly comprises the first rotation sliding sleeve and the second rotation sliding sleeve of independent rotation, comprise that also the left side as the pedal of clutch rotating mechanism lacks the scarce piece bayonet socket of piece bayonet socket and right side, it is suitable that the first rotation sliding sleeve and right side lack the piece bayonet socket, it is suitable that second rotation sliding sleeve and the left side lacks the piece bayonet socket, and two kinds of formation power-transfer clutch automatic guidance and mechanical controies be steer mode independently.
In the technique scheme, this system also comprises clutch switch, and clutch switch is installed on the gear position operation bar, and links to each other with control setup, pushing clutch switch can import shift signal into control setup, realizes the synchro control of disengaging of clutch-combination and chaufeur gearshift procedure.
Owing to adopt above-mentioned technical scheme, the utlity model has following beneficial effect:
1, system architecture is simple, and low technological requirement is easy to process, is easy to Industry Promotion;
2, can realize the variable Rate control of power-transfer clutch by ECU (Electrical Control Unit) flexibly, reduce the impact of initial starting shift process, improve the driving and the traveling comfort of vehicle;
3, system adopts integrated design, and compact conformation is saved the car load arrangement space, and supporting comformability is good;
4, native system adopt can use separately also can with traditional clutch operating mechanism concurrent working, two kinds of operations can simply be switched, be independent of each other, indirect raising the vehicle operation reliability.
Description of drawings
Fig. 1 is that the utility model clutch automatic control system car load is arranged scheme drawing;
Fig. 2 is a transfer bar mechanism assembly structure scheme drawing in the utility model clutch automatic control system;
Fig. 3 is that left and right side lacks piece bayonet socket scheme drawing (wherein 3-A is that the left side lacks piece bayonet socket scheme drawing, and 3-B is that the right side lacks piece bayonet socket scheme drawing) among Fig. 2;
Fig. 4 the utility model clutch automatic control system principle of work scheme drawing.
Mark the following drawings mark in conjunction with the accompanying drawings:
The 1-clutch master cylinder; 2-hydraulic pressure oil tank; The 3-pedal of clutch; 4-transfer bar mechanism assembly; 5-pneumatic thrust pump; The 6-ECU (Electrical Control Unit); 7-first pneumatic control valve; 8-second pneumatic control valve; The 9-high-pressure air pipe; The 10-clutch driving disc; The 11-clutch booster; 12-high-pressure and hydraulic oil pipe;
The 402-nut; The 403-adjusting screw(rod); The 404-adapter plate; The 405-intermediate connection tube; The 406-trimming screw; 407-pressure arm pipe link; 408-first bearing pin; 409-second bearing pin; The 410-clutch pedal shaft; 411-clutch master cylinder push rod; 412-first sliding sleeve; The 413-right side lacks the piece bayonet socket; The 414-left side lacks the piece bayonet socket; 415-second sliding sleeve.
The specific embodiment
Further specify the structural principle and the function of the utility model clutch automatic control system below in conjunction with accompanying drawing.
The principle of work of the utility model clutch automatic control system is the control by 6 pairs first pneumatic control valves 7 of ECU (Electrical Control Unit) and second pneumatic control valve 8, make the piston of pneumatic thrust pump 5 produce motion, because the piston of pneumatic thrust pump links to each other with transfer bar mechanism assembly 4, the motion of pneumatic thrust pump piston will be converted into the crank motion of transfer bar mechanism so, this crank motion divides after pumping system (this system comprises hydraulic pressure oil tank 2 and high-pressure and hydraulic oil pipe 12) amplifies through clutch master cylinder and clutch hydraulic pressure power-assisted, just can control with separating the joint of power-transfer clutch.Because control setup can be controlled the unlatching of two pneumatic control valves flexibly, accurately, thereby accuracy control enters the high pressure tolerance in the pneumatic thrust pump chamber, make that the crank motion speed of piston and transfer bar mechanism is variable, finally realize the control requirement of power-transfer clutch in conjunction with speed.
Shown in Fig. 1-4, clutch automatic control system of the present utility model, directly act on clutch master cylinder, comprise executive device and control setup, wherein executive device comprises and clutch master cylinder 1 bonded assembly transfer bar mechanism assembly 4 and pneumatic thrust pump 5 that power is provided for transfer bar mechanism assembly 4.Control setup comprises pneumatic control valve (comprising first pneumatic control valve 7 and second pneumatic control valve 8) and ECU (Electrical Control Unit) 6, and pneumatic control valve links to each other with the import of pneumatic thrust pump 5 by high-pressure air pipe 9, and ECU (Electrical Control Unit) 6 is used to control the switching of above-mentioned pneumatic control valve.
As shown in Figure 1, two pneumatic control valves link to each other with high-pressure air pipe 9, wherein first pneumatic control valve 7 is used for the control of the suction quantity of pneumatic thrust pump 5, and second pneumatic control valve 8 is used to control the free air capacity control of pneumatic thrust pump 5, and the action of two valves is controlled according to demand by ECU (Electrical Control Unit) 6.The internal piston motion of pneumatic thrust pump 5 is controlled by the amount of high pressure gas, and the pneumatic thrust pump is connected with transfer bar mechanism, transmits the crank motion of internal piston.After this crank motion process clutch master cylinder 1 and clutch booster 11 amplify, just can engage and the control that separates power-transfer clutch.
As shown in Figure 1, 2, directly act on the clutch automatic control system of clutch master cylinder 1, can realize conventional manual control pattern and two kinds of mode of operation of automatic control mode simultaneously, promptly keep the mechanical manoeuvring system that acts on master cylinder in the existing conventional clutch equipment and (comprise pedal of clutch 3, clutch pedal shaft 410 and clutch master cylinder push rod 411), master cylinder (being both parallel connections) and then separation that operates the clutch and combination and autonomous cruise speed system that the utility model added and former mechanical actuation means can operate the clutch respectively independently.
As shown in Figure 2, transfer bar mechanism assembly 4 is actual be after the transformation of the way of former car clutch actuating mechanism part parts with the fabricate block of extra some new parts.Wherein, former parts comprise: nut 402, adjusting screw(rod) 403, adapter plate 404, intermediate connection tube 405, trimming screw 406, pressure arm pipe link 407, first bearing pin 408, second bearing pin 409, clutch pedal shaft 410, clutch master cylinder push rod 411.The utility model is divided into two former pedal of clutch rotating mechanism, promptly the rotation sliding sleeve of former pedal is divided into two, be divided into first sliding sleeve 412 and second sliding sleeve 415, in addition, a left side of changing system among Fig. 2 lacks piece bayonet socket 414 and the right parts that lack piece bayonet socket 413, it is suitable that the first rotation sliding sleeve and right side lack the piece bayonet socket, and it is suitable that the second rotation sliding sleeve and left side lack the piece bayonet socket.When chaufeur let slip the clutch 3, a left side lacks the right piece bayonet socket that lacks of piece bayonet socket drive rotates, and right scarce piece bayonet socket drives pressure arm and depresses clutch master cylinder, and intermediate connection tube 405 slides along adjusting screw(rod) 403, and cylinder is not had application force.When cylinder operation, intermediate connection tube promotes parts such as pressure arm pipe link, drives pressure arm and depresses clutch master cylinder, and the right piece bayonet socket that lacks rotates, and left and right sides bayonet socket separates, and it is motionless that a left side lacks the piece bayonet socket, and pedal of clutch is not had application force.Thereby form independently steer mode of two kinds of power-transfer clutch automatic guidance and mechanical controies.
In order to realize automatic guidance, control system of the present utility model also comprises the clutch switch (not shown), clutch switch is installed on the gear position operation bar, and link to each other with above-mentioned control setup, this clutch switch can import shift signal into control setup, realizes the synchro control of disengaging of clutch-combination and chaufeur gearshift procedure.
Control principle as can be known as shown in Figure 3, under the situation that power-transfer clutch need separate, ECU (Electrical Control Unit) 6 drives first pneumatic control valve 7 and opens fast, allow high pressure air enter fast in the cylinder of pneumatic thrust pump 5, driving second pneumatic control valve 8 simultaneously keeps closing, can make the pneumatic thrust pump can promote the piston operation like this, make power-transfer clutch to separate fast with the acceleration/accel of maximum with this with the power of maximum.When power-transfer clutch need engage, ECU (Electrical Control Unit) 6 will be obtained the velocity contrast that engages with the power-transfer clutch two sides by communication or physical signalling, and the speed that 8 exhausts come control clutch to engage according to special algorithm drives second pneumatic control valve.
The main operational mode of the utility model is as follows:
1, normal operation mode: each component function of electrically controlled clutch system is normal, no matter is starting, starting and gearshift procedure, and the joint of power-transfer clutch and separating action are by the ECU (Electrical Control Unit) automatic guidance, and chaufeur need not the stepping on clutch pedal.
2, system failure pattern: when some parts of electrically controlled clutch system because fault when causing system to carry out automatically controlled to clutch engagement and separation process, starting, starting and gearshift procedure are controlled by disengage the clutch by chaufeur, and this process and traditional mechanical clutch operating process are identical.
System of the present utility model has overcome similar electric clutch control system and change speed gear box is integrated, complex structure, field of application is narrow and shortcoming such as poor reliability; Have simple in structure, the modular design characteristics of Highgrade integration can be widely used on the vehicle of Manual transmission and AMT change speed gear box, owing to be integrated standalone module and parallel the installation, therefore can also carry out retrofit application to in-use vehicle, not influence the clutch operating mechanism of former car.By in ECU (Electrical Control Unit), writing advanced clutch control algorithm, the variable Rate that can realize power-transfer clutch engages and separates, significantly reduce the impact that power-transfer clutch when work produces vehicle, prolong the service life of clutch segment, improve operating characteristics such as the driving of vehicle and traveling comfort.
The utility model cooperates by control setup and executive device, makes controlling of power-transfer clutch realize that automatic guidance and traditional mechanical control combine.During normal the operation, the joint of power-transfer clutch and separating action are by the ECU (Electrical Control Unit) automatic guidance; When autonomous cruise speed system broke down, available traditional artificial mechanism mode was controlled power-transfer clutch.Control easyly, and can improve the vehicle operation reliability.
Above-mentioned concrete enforcement just embodies a preferred embodiment of technical solutions of the utility model; those skilled in the art to some part wherein some changes that may make embodied principle of the present utility model, all belong within the protection domain of the present utility model.

Claims (5)

1. clutch automatic control system, directly act on clutch master cylinder, it is characterized in that, comprise executive device and control setup, wherein executive device comprises and clutch master cylinder bonded assembly transfer bar mechanism assembly and pneumatic thrust pump that power is provided for described transfer bar mechanism assembly; Control setup comprises pneumatic control valve and ECU (Electrical Control Unit), and described pneumatic control valve links to each other with the pneumatic thrust pump inlet by tracheae, and ECU (Electrical Control Unit) is used to control the switching of described pneumatic control valve.
2. clutch automatic control system according to claim 1 is characterized in that, is independent of the Machinery Control System that acts on clutch master cylinder, and in parallel with described Machinery Control System.
3. clutch automatic control system according to claim 1 and 2, it is characterized in that, described pneumatic control valve comprises first control cock and second control cock, wherein first control cock is used for the suction quantity control of described pneumatic thrust pump, and second control cock is used for the free air capacity control of described pneumatic thrust pump.
4. clutch automatic control system according to claim 2, it is characterized in that, but described transfer bar mechanism assembly comprises the first rotation sliding sleeve and the second rotation sliding sleeve of independent rotation, comprise that also the left side as the pedal of clutch rotating mechanism lacks the scarce piece bayonet socket of piece bayonet socket and right side, it is suitable that described first rotation sliding sleeve and right side lack the piece bayonet socket, the scarce piece bayonet socket in second rotation sliding sleeve and the left side is suitable, forms independently steer mode of two kinds of described power-transfer clutch automatic guidance and mechanical controies.
5. clutch automatic control system according to claim 4, it is characterized in that, also comprise clutch switch, described clutch switch is installed on the gear control lever, and link to each other with described control setup, pushing described clutch switch can import gear shifting signal into control setup, realize disengaging of clutch or in conjunction with the synchro control of chaufeur shift process.
CN2009201408309U 2009-05-08 2009-05-08 Clutch automatic control system Expired - Fee Related CN201395060Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201408309U CN201395060Y (en) 2009-05-08 2009-05-08 Clutch automatic control system

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Application Number Priority Date Filing Date Title
CN2009201408309U CN201395060Y (en) 2009-05-08 2009-05-08 Clutch automatic control system

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CN2009201408309U Expired - Fee Related CN201395060Y (en) 2009-05-08 2009-05-08 Clutch automatic control system

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102494119A (en) * 2011-12-24 2012-06-13 庄晓林 Semi-automatic gear shift operating system for automobile
CN102519688A (en) * 2011-12-31 2012-06-27 福建省福工动力技术股份公司 Production inspection table and inspection method for air passage control system assembly of clutch thruster
CN103192707A (en) * 2013-03-29 2013-07-10 杨勇 Air-pressure clutch pedal automatic separating and jointing device
CN103697082A (en) * 2014-01-03 2014-04-02 陈小伟 Automatic exhaust system of clutch and exhaust method implemented by automatic exhaust system
CN106678349A (en) * 2016-11-29 2017-05-17 慕彩霞 Auxiliary electric control clutch device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102494119A (en) * 2011-12-24 2012-06-13 庄晓林 Semi-automatic gear shift operating system for automobile
CN102519688A (en) * 2011-12-31 2012-06-27 福建省福工动力技术股份公司 Production inspection table and inspection method for air passage control system assembly of clutch thruster
CN103192707A (en) * 2013-03-29 2013-07-10 杨勇 Air-pressure clutch pedal automatic separating and jointing device
CN103192707B (en) * 2013-03-29 2015-11-18 杨勇 The automatic Detaching and Lapping device of pneumatically controlled clutch pedal of clutch
CN103697082A (en) * 2014-01-03 2014-04-02 陈小伟 Automatic exhaust system of clutch and exhaust method implemented by automatic exhaust system
CN103697082B (en) * 2014-01-03 2016-03-16 陈小伟 Clutch automatic exhaust system and method for exhausting thereof
CN106678349A (en) * 2016-11-29 2017-05-17 慕彩霞 Auxiliary electric control clutch device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100203

Termination date: 20180508