CN103967970A - Control mechanism for clutch and control method of control mechanism - Google Patents
Control mechanism for clutch and control method of control mechanism Download PDFInfo
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- CN103967970A CN103967970A CN201410209058.7A CN201410209058A CN103967970A CN 103967970 A CN103967970 A CN 103967970A CN 201410209058 A CN201410209058 A CN 201410209058A CN 103967970 A CN103967970 A CN 103967970A
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- clutch
- signal
- pedal
- gearbox
- speed
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- Mechanical Operated Clutches (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a control mechanism for a clutch. The control mechanism comprises a clutch pedal and a pedal rod connected with the clutch pedal. The pedal rod is hinged to a pedal rod fixing support. A lever mechanism is formed, a first lever arm of the lever mechanism is hinged to a separation shifting fork, a second lever arm of the lever mechanism is hinged to one end of a controllable variable damper, and the other end of the controllable variable damper is hinged to a damper fixing support. The controllable variable damper is controlled by an electronic control module. According to the control mechanism for the clutch, an original structure of the clutch is not greatly changed, the design cost and the improvement cost are saved, the control requirement of a driver for the clutch is reduced, and the operation strength of the driver is reduced. When an existing clutch is designed, a free stroke is reserved, and the driver does not easily control the clutch due to the existence of the free stroke. However, the control process of actively controlling the control mechanism is not affected by the free stroke of the pedal.
Description
Technical field
The present invention relates to a kind of operating mechanism of Vehicular friction plate formula clutch.
Background technique
Have now fluid torque converter, stepless chain transmission and the stepless power transmission system with forms such as transmissions, but mechanical power transmission system is large with its transmitting torque, transmission efficiency is high and the advantage such as good reliability is still used widely in the middle of vehicle.
Clutch is one of important mechanical part of vehicle mechanical formula power transmission system, and it has mainly born the function of transmission of power and cut-out between motor and gearbox.The in the situation that of normal vehicle operation, clutch is in jointing state, the effect that starting force is transmitted.When vehicle needs gear shift, just need to cut off the power between motor and gearbox, now clutch is in separated state.
The separation of clutch and cohesive process all can produce larger impact to the state of clutch itself and whole power system.In general, it is rapid, thorough that the separation of clutch is wanted, in order to avoid produce unnecessary wearing and tearing and mechanical vibration.And the process relative complex of combination some, such as vehicle by state of rest to starting this process:
If 1 in conjunction with too fast, may cause vehicle vibration, or even motor because increasing suddenly, load causes rotating speed to decline and even shut down rapidly, and " suppressing " of namely often saying stopped working.In running process, when switching gear, because separation and the gear switch of clutch causes the rotating speed of speed of a motor vehicle gear-box axle and the rotating speed of motor to produce speed discrepancy, therefore in conjunction with the too fast vehicle body that can cause because of the existence of speed discrepancy, tremble, namely usually said front and back " jump ", cause driving comfort poor.
If 2 cohesive process are too slow, cause again vehicle power loss, car speed declines excessive, and gear shift smoothness is bad.
Therefore, in operated clutch, often need according to the separated and combination of solenoidoperated cluthes artificially of the state of the state of motor and vehicle, and the process relative complex of control combination.When controlling combination, often need pin to control, cause pin in tension for a long time, and long-term the groping and accumulating experience of this process need driver.A lot of people often " jump " because the cohesive process of clutch is controlled bad and flame-out or vehicle body when driving manual vehicle.Therefore, it is exactly to be difficult to control that the power transmission system of this mechanical type manual shelves is often given people's sensation, and clutch operating is very tired by ankle frequently, allows a lot of people produce " the psychology of fear ".
Summary of the invention
Given this, the object of the invention is to provide a kind of special mechanism of being convenient to controlled clutch, driver when using clutch without the speed taking pushes pedals into account and releasing the pedal.This operating mechanism has been realized the ACTIVE CONTROL to clutch, plays protection clutch, the operation labor intensity that alleviates driver and the effect of operation easier.
For solving above technical problem, technological scheme provided by the invention is, a kind of operating mechanism of clutch is provided, comprise clutch pedal and the pedal-rod being connected with clutch pedal, pedal-rod and pedal-rod fixed support are hinged, and form a leverage, and its first lever arm is hinged with separated fork, one end of the second lever arm and controlled change damper is hinged, and the other end of controlled change damper is articulated with damper fixed support; Described controlled change damper is connected with electronic control module signal by analog-to-digital conversion module, and electronic control module is connected with engine rotation speed sensor, vehicle speed sensor and gearbox-gear sensor signal by D/A converter module again.
Further, described electronic control module is ECM electronic control module.
The present invention also provides the controlling method of above-mentioned operating mechanism, the gearbox-gear signal that the vehicle speed signal that the engine rotational speed signal that engine rotation speed sensor provides, vehicle speed sensor provide and gearbox-gear sensor provide passes to electronic control module signal respectively after analog-to-digital conversion module, the input shaft rotating speed that goes out gearbox by vehicle speed signal and gearbox-gear calculated signals, gearbox input shaft rotating speed and engine speed relatively calculate both speed discrepancies; Electronic control module provides control signal according to the rotating speed extent that calculates, and control signal passes to controlled change damper signal after by D/A converter module, realizes thus the control to damping value size.
Compared with prior art, a technological scheme tool in technique scheme has the following advantages:
1, clutch original structure is not carried out to large change, save design improvement expense.
2, reduce the control requirement of driver to clutch, reduced the manipulation strength of driver.
3,, by the ACTIVE CONTROL of automatic control clutch, improve gear shift smoothness.
4, by ACTIVE CONTROL, optimize the combination time of clutch, save shift time, improve gear shift efficiency, improve vehicle economy.
5, clutch all leaves free travel in design, and people often controls bad clutch because of the existence of free travel when controlling, and the control procedure of ACTIVE CONTROL operating mechanism of the present invention is not subject to the impact of free pedal travel.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of a preferred embodiment of the present invention.
Fig. 2 is the control system schematic diagram of a preferred embodiment of the present invention.
Fig. 3 is the schematic diagram that is related to of the damping constant of controlled change damper and speed difference.
Accompanying drawing explanation: 1 flywheel, 2 driven discs, 3 platens, 4 clutch covers, 5 diaphragm springs, 6 diaphragm springs support, 7 return springs, 8 release bearings, 9 output shafts, 10 electronic control modules, 11 data lines, 12 damper fixed supports, 13 controlled change dampers, 14 pedal fixed supports, 15 clutch pedals, 16 disengaging yokes.
Embodiment
Below in conjunction with accompanying drawing and a specific embodiment, describe.
Referring to Fig. 1.Clutch cover 4 is fixed on the flywheel 1 of motor.One end of diaphragm spring 5 and clutch compressing disc 3 are fixing, and the other end of diaphragm spring 5 contacts with release bearing 8, and diaphragm spring 5 middle parts are supported 6 by diaphragm spring and fixed and form lever with clutch cover 4.Return spring 7 two ends be separately fixed on driven disc 2 and clutch cover 4 on.Driven disc 2 is fixing with output shaft 9.Platen 3 and release bearing 8 can endwisely slip on output shaft 9.
Clutch pedal 15 is connected with pedal-rod, pedal-rod and pedal-rod fixed support 14 are hinged, and form a leverage, its first lever arm is hinged with separated fork 16, one end of the second lever arm and controlled change damper 13 is hinged, and the other end of controlled change damper 13 is articulated with damper fixed support 12.Damper fixed support 12 is fixedly installed, and whenever can not move.
Controlled change damper 13 is connected with electronic control module 10 by data line 11, realizes the control to controlled change damper 13.Specifically, controlled change damper 13 is connected with electronic control module signal by analog-to-digital conversion module, and electronic control module 10 is connected with engine rotation speed sensor, vehicle speed sensor and gearbox-gear sensor signal by D/A converter module again.Electronic control module 10 is ECM electronic control module, and as mode of execution more specifically, electron process module 10 is chip used is MPC5634 chip.
The controlling method of above-mentioned operating mechanism is as follows: the gearbox-gear signal that the vehicle speed signal that the engine rotational speed signal that engine rotation speed sensor provides, vehicle speed sensor provide and gearbox-gear sensor provide passes to electronic control module signal respectively after analog-to-digital conversion module, the input shaft rotating speed that goes out gearbox by vehicle speed signal and gearbox-gear calculated signals, gearbox input shaft rotating speed and engine speed relatively calculate both speed discrepancies; Electronic control module provides control signal according to the rotating speed extent that calculates, and control signal passes to controlled change damper signal after by D/A converter module, realizes thus the control to damping value size.The control system of this controlling method as shown in Figure 2.
Clutch compressing disc can produce axial motion under the operation of clutch pedal, compresses with separated real transmission of power and disconnection with the driven disc of solenoidoperated cluthes.
When clutch pedal is during in initial position, in the raw, controlled change damper is also in elongation state for spring, clutch compressing disc compresses driven disc, the power of motor is directly passed to gearbox, and the rotating speed of motor is synchronizeed with the input shaft of gearbox, and both speed discrepancies are 0.
When let slip the clutch, axial motion occurs clutch compressing disc under the effect of pedal makes driven disc separated with motor, between motor and gearbox input shaft, the not transmission of moving force and motion, produces speed discrepancy between engine speed and gearbox input shaft.Compressed at this process medi-spring, controlled change damper is also compressed.In the process of let slip the clutch, the suffered resistance of clutch compressing disc is spring force, and now controlled change damper does not produce resistance.Said spring is the general name of diaphragm spring and return spring herein.
During stepping on clutch pedal, the motion force analysis formula of clutch compressing disc is:
Wherein,
M is the quality of system motion part;
K is the stiffness system of spring;
T is time parameter;
F is the active force that clutch pedal imposes on platen;
Y
0pre compressed magnitude for spring;
Y is the displacement of clutch compressing disc.
When release the clutch pedal, axial motion occurs clutch compressing disc under the effect of spring force makes driven disc be combined with motor, the moving direction of clutch compressing disc is contrary during with let slip the clutch, produces the transmission of moving force and motion after driven disc contacts with motor.At this process medi-spring, extend, controlled change damper also extends, and the suffered power of clutch compressing disc is the making a concerted effort of resistance of spring force and controlled change damper, and the drag direction of spring force and controlled change damper is contrary.Finally, clutch compressing disc compresses driven disc under the effect of spring force, and the input shaft of motor and gearbox is synchronized with the movement, and both speed discrepancies become 0.
After release the clutch pedal, the motion force analysis formula of clutch compressing disc is:
Wherein,
M is the quality of system motion part;
C is the damping of controlled change damper;
K is the stiffness system of spring;
T is time parameter;
Y
0pre compressed magnitude for spring;
Y is the displacement of clutch compressing disc.
From formula, can find out, tri-parameters of platen quality m, damping c and device of spring stiffness coefficient k are the key parameters that affect the platen characteristics of motion.After platen is determined, its quality m is also definite, and device of spring stiffness coefficient also depends on spring itself, the two be all not easy reformed.Therefore by changing damping c, be only, also the characteristics of motion that can change platen.
Engine speed and the poor formula of gearbox input shaft rotating speed:
ΔV＝V
e-V
g
V
g＝V
c×i
Wherein:
△ V is that engine speed and gearbox input shaft rotating speed are poor;
V
efor engine speed;
V
gfor gearbox input shaft rotating speed;
V
cfor the speed of a motor vehicle;
I is the velocity ratio of respective notch.
The △ V calculating may be for=0, <0 and tri-kinds of situations of >0.
When equaling 0, both speed equate, platen combination and can not produce any impact rapidly.
When being greater than or less than 0, both speed is unequal, if combination rapidly can produce impact.Be less than at 0 o'clock and cause vehicle body to occur " braking effect ", be greater than 0 o'clock vehicle body and can " jump " forward.Therefore need to change combination time length by changing the damping value of controlled change damper.Meanwhile, because the rotary inertia of the parts except motor in motor itself and power transmission system is in different size, so the size of damping value need to control according to positive and negative the separating of its value with the size of the value of △ V, and control curved line relation as shown in Figure 3.
The process of release the clutch pedal be exactly the speed discrepancy of control engine rotating speed and gearbox input shaft rotating speed by not being that 0 to change back to be 0 process, the quality of this process control has influence on vehicle run stability.This process is carried out too soon, can cause the unstable or engine misses of Vehicle Driving Cycle; This process causes the speed of a motor vehicle to decline too much too slowly, and Vehicle Driving Cycle fuel economy is bad.
Above-mentioned control procedure is mainly the damping control procedure of gear shift, and the speed of a motor vehicle is not 0, and engine speed is not 0 gear shift control under normal circumstances yet.
Be the control procedure that several dampings are in particular cases controlled below, comprise:
The speed of a motor vehicle is 0, and motor is not 0: starting is controlled, and damping is now demarcated and determined according to the characteristic of motor and vehicle.
Vehicle is not 0, and engine speed is 0: the Starter of motor damages, and go-cart case of fire is controlled, and now damping value is relatively little, otherwise is difficult for making engine ignition.
In the middle of practical work process, electronic control module judges and calculates the state of vehicle according to the vehicle speed signal, engine rotational speed signal, the gearbox-gear signal that receive, according to the result of calculating, the damping constant of controlled change damper is controlled, thus the movement process of solenoidoperated cluthes platen.Realize thus the ACTIVE CONTROL to clutch.
Driver, when operated clutch pedal, is stepped on rapidly before gear shift, completes after gear switch, releases the pedal fast, no longer needs slowly to release the pedal, the operation labor intensity and the difficulty that alleviate.Below be only the preferred embodiment of the present invention, it should be pointed out that above-mentioned preferred implementation should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with claim limited range.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. the operating mechanism of a clutch, comprise clutch pedal (15) and the pedal-rod being connected with clutch pedal, it is characterized in that, pedal-rod and pedal-rod fixed support (14) are hinged, and form a leverage, its first lever arm is hinged with separated fork (16), and one end of the second lever arm and controlled change damper (13) is hinged, and the other end of controlled change damper (13) is articulated with damper fixed support (12); Described controlled change damper (13) is connected with electronic control module signal by analog-to-digital conversion module, and electronic control module is connected with engine rotation speed sensor, vehicle speed sensor and gearbox-gear sensor signal by D/A converter module again.
2. the operating mechanism of a kind of clutch according to claim 1, is characterized in that, described electronic control module is ECM electronic control module.
3. the controlling method of the operating mechanism of a kind of clutch described in a claim 1 or 2, it is characterized in that, the gearbox-gear signal that the vehicle speed signal that the engine rotational speed signal that engine rotation speed sensor provides, vehicle speed sensor provide and gearbox-gear sensor provide passes to electronic control module signal respectively after analog-to-digital conversion module, the input shaft rotating speed that goes out gearbox by vehicle speed signal and gearbox-gear calculated signals, gearbox input shaft rotating speed and engine speed relatively calculate both speed discrepancies; Electronic control module provides control signal according to the rotating speed extent that calculates, and control signal passes to controlled change damper signal after by D/A converter module, realizes thus the control to damping value size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410209058.7A CN103967970A (en) | 2014-05-16 | 2014-05-16 | Control mechanism for clutch and control method of control mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410209058.7A CN103967970A (en) | 2014-05-16 | 2014-05-16 | Control mechanism for clutch and control method of control mechanism |
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| CN103967970A true CN103967970A (en) | 2014-08-06 |
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| CN201410209058.7A Pending CN103967970A (en) | 2014-05-16 | 2014-05-16 | Control mechanism for clutch and control method of control mechanism |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626714A (en) * | 2016-02-25 | 2016-06-01 | 茹咪娜 | Flywheel clutch |
| CN106627126A (en) * | 2016-10-19 | 2017-05-10 | 包凯 | Electric vehicle gear shift control system and control method thereof |
| CN111186257A (en) * | 2020-01-19 | 2020-05-22 | 欧伟聪 | Convenient self-rescue escaping device without dismounting when automobile tire is trapped in pit |
| CN113007237A (en) * | 2019-12-20 | 2021-06-22 | 北京宝沃汽车股份有限公司 | Clutch control device of vehicle, method and device for controlling clutch and vehicle |
| CN115163691A (en) * | 2022-07-08 | 2022-10-11 | 北京理工大学 | Line control clutch system and control method thereof |
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| CN1978237A (en) * | 2005-12-06 | 2007-06-13 | 现代自动车株式会社 | Device for varying stroke of clutch pedal |
| CN102434595A (en) * | 2010-09-16 | 2012-05-02 | 优尼邦斯股份有限公司 | Clutch controlling device |
| CN102959265A (en) * | 2010-07-07 | 2013-03-06 | 株式会社艾科赛迪 | Clutch operation device |
| US20140110217A1 (en) * | 2012-10-20 | 2014-04-24 | Samuel E. Cichon, Jr. | Dampers for clutch linkages |
| CN203822905U (en) * | 2014-05-16 | 2014-09-10 | 西华大学 | Control mechanism of clutch |
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2014
- 2014-05-16 CN CN201410209058.7A patent/CN103967970A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1978237A (en) * | 2005-12-06 | 2007-06-13 | 现代自动车株式会社 | Device for varying stroke of clutch pedal |
| CN102959265A (en) * | 2010-07-07 | 2013-03-06 | 株式会社艾科赛迪 | Clutch operation device |
| CN102434595A (en) * | 2010-09-16 | 2012-05-02 | 优尼邦斯股份有限公司 | Clutch controlling device |
| US20140110217A1 (en) * | 2012-10-20 | 2014-04-24 | Samuel E. Cichon, Jr. | Dampers for clutch linkages |
| CN203822905U (en) * | 2014-05-16 | 2014-09-10 | 西华大学 | Control mechanism of clutch |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626714A (en) * | 2016-02-25 | 2016-06-01 | 茹咪娜 | Flywheel clutch |
| CN106627126A (en) * | 2016-10-19 | 2017-05-10 | 包凯 | Electric vehicle gear shift control system and control method thereof |
| CN113007237A (en) * | 2019-12-20 | 2021-06-22 | 北京宝沃汽车股份有限公司 | Clutch control device of vehicle, method and device for controlling clutch and vehicle |
| CN111186257A (en) * | 2020-01-19 | 2020-05-22 | 欧伟聪 | Convenient self-rescue escaping device without dismounting when automobile tire is trapped in pit |
| CN115163691A (en) * | 2022-07-08 | 2022-10-11 | 北京理工大学 | Line control clutch system and control method thereof |
| CN115163691B (en) * | 2022-07-08 | 2024-02-06 | 北京理工大学 | Drive-by-wire clutch system and control method thereof |
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Application publication date: 20140806 |