CN104565129B - A kind of car electric control clutch piece-rate system and its control method - Google Patents
A kind of car electric control clutch piece-rate system and its control method Download PDFInfo
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- CN104565129B CN104565129B CN201510010952.6A CN201510010952A CN104565129B CN 104565129 B CN104565129 B CN 104565129B CN 201510010952 A CN201510010952 A CN 201510010952A CN 104565129 B CN104565129 B CN 104565129B
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Abstract
The present invention relates to a kind of car electric control clutch piece-rate system and its control method, including electric control clutch pedal, magnetic valve, separation cylinder and separating mechanism.Magnetic valve, its control end is connected with ECU output ends, and its inlet end source of the gas is connected, and its outlet side is connected with separating the air inlet of cylinder.Separating cylinder includes cylinder body, piston, push rod and return spring.Cylinder body is divided into the first air cavity and the second air cavity by piston.Offered on first air cavity and offer porting on air inlet, the second air cavity.Push rod one end is arranged in cylinder body, and is fixedly linked with piston, and the other end is located at outside cylinder body, and is connected with separating mechanism.Return spring is located in the first air cavity, and its two ends is fixedly linked with inboard wall of cylinder block, piston respectively.The output end of separating mechanism is connected with clutch.The present invention clutch separation is realized by automatically controlled mode, with pilot control it is light, not by southern and northern ambient temperature effect, simple in construction, the low feature of later stage cost of upkeep.
Description
Technical field
The present invention relates to Bus Technology field, and in particular to a kind of car electric control clutch piece-rate system and its control method.
Background technology
At present, the mode that passenger car clutch steerable system controls gas frequently with oil realizes clutch separation.Due to oil control gas
Mode needs to produce certain oil pressure, therefore, and in stepping on clutch pedal, driver can feel there is certain resistance, especially public transport
Car, driver needs repeatedly stepping on clutch pedal to be shifted gears, and can often feel fatigue.Other oil control gas clutch release system
In clutch oil can be affected by temperature, especially passenger train often can transprovincially be run, Temperature Difference Ratio is larger, and oil is by very big shadow
Ring.And structure is more complicated in clutch slave cylinder in the system, later stage cost of upkeep is high.
The content of the invention
It is an object of the invention to provide a kind of car electric control clutch piece-rate system and its control method, the system and its control
Method processed realizes clutch separation by automatically controlled mode, with pilot control it is light, not by southern and northern ambient temperature effect, knot
Structure is simple, the low feature of later stage cost of upkeep.
To achieve the above object, present invention employs following technical scheme：
A kind of car electric control clutch piece-rate system, including electric control clutch pedal, magnetic valve, for driving separating mechanism to move
Separation cylinder and for driving clutch separate separating mechanism.
Described magnetic valve, its control end is connected with car ECU output end, and its inlet end passes through tracheae and source of the gas phase
Even, its outlet side is connected with separating the air inlet of cylinder.
Described separation cylinder includes cylinder body, piston, push rod and return spring.Described piston is located in cylinder body, and by cylinder
Body is divided into the first air cavity and the second air cavity.Offer and offered on air inlet, the second described air cavity on the first described air cavity
Porting.Described push rod one end is installed through in cylinder body, and is fixedly linked with piston, and the other end is located at outside cylinder body, and
It is connected with the input of separating mechanism.Described return spring be located at the first air cavity in, and its two ends respectively with inboard wall of cylinder block, work
Plug is fixedly linked.
The output end of described separating mechanism contacts connection with clutch.
Further, described electric control clutch pedal includes pedal, bottom plate and roller.
Described bottom plate is fixedly mounted on vehicle frame.Described pedal is tiltedly mounted on above bottom plate, and is rotated with bottom plate
Connection；Described roller is movably arranged on below pedal.
Angular transducer is provided with below described pedal, described angular transducer passes through angular transducer wire harness and car
ECU input is connected.
Back-moving spring is provided between described pedal and bottom plate.
Further, described separating mechanism includes separation swing arm, separation axle, disengaging yoke and release bearing.
The two ends of described separation swing arm respectively with push rod, separate axle be connected.Described separation axle two ends are respectively with separating
Swing arm, disengaging yoke are connected；Described disengaging yoke two ends are connected with separating axle, release bearing respectively.Described release bearing
Connection is contacted with clutch.
Further, described bottom plate includes the fixed part and sliding part that bending is connected；Described sliding part is tilted and set
Put in the top of fixed part, and be 100 ° ~ 150 ° with the angle of fixed part.
The invention further relates to a kind of control method of car electric control clutch piece-rate system, this method comprises the following steps：
（1）The angular rate signal of electric control clutch pedal is gathered in real time；
（2）Car ECU carries out analysis judgement to the angular rate signal of electric control clutch pedal；If the angle of electric control clutch pedal
Degree is gradually reduced, then car ECU sends control signal to magnetic valve by the control end of magnetic valve, by the air inlet of magnetic valve
End and outlet side are opened, and exhaust end is closed, and the number of degrees reduced according to the angle in unit interval of electric control clutch pedal, in real time
Control the inlet end of magnetic valve and the opening angle of outlet side；
If the angle of electric control clutch pedal gradually increases, car ECU is sent by the control end of magnetic valve and controlled
Signal is opened the exhaust end of magnetic valve and outlet side, inlet end is closed to magnetic valve, and according to the unit of electric control clutch pedal
The number of degrees of angle increase in time, control the exhaust end of magnetic valve and the opening angle of outlet side in real time；
（3）When the inlet end of magnetic valve and outlet side are opened, exhaust end is closed, according to the inlet end and outlet of magnetic valve
The opening angle size at end, the push rod of separation cylinder drives separating mechanism motion, the separation of separating mechanism driving clutch；
When the exhaust end of magnetic valve and outlet side are opened, inlet end is closed, according to the exhaust end of magnetic valve and outlet side
Opening angle, separate the push rod of the cylinder return in the presence of return spring, clutch gradually ties in the presence of itself spring
Close, to the last clutch compressing disc and clutch plate run-in synchronism.
From above technical scheme, the present invention realizes clutch separation by automatically controlled gas mode, can grasp driver
It is vertical light, it is to avoid driver tired driving.In addition, being compared with existing oily prosecutor formula, the present invention is not by southern and northern environment temperature
Influence, with simple in construction, the low feature of later stage cost of upkeep.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of electric control clutch pedal；
Fig. 3 is the structural representation of magnetic valve；
Fig. 4 is the structural representation for separating cylinder；
Fig. 5 is the structural representation of separating mechanism；
Fig. 6 is Fig. 5 A direction views.
Wherein：
1st, electric control clutch pedal, 2, car ECU, 3, magnetic valve, 4, source of the gas, 5, separation cylinder, 6, separating mechanism, 7, clutch
Device, 11, pedal, 12, roller, 13, bottom plate, 14, angular transducer, 15, angular transducer wire harness, the 51, first air cavity, 52,
Two air cavitys, 53, piston, 54, push rod, 55, return spring, 56, air inlet, 57, porting, 61, separation swing arm, 62, separation
Axle, 63, disengaging yoke, 64, release bearing, a, control end, b, inlet end, c, exhaust end, d, outlet side.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
A kind of car electric control clutch piece-rate system as shown in figs 1 to 6, including electric control clutch pedal, magnetic valve, be used for
The separating mechanism for driving the separation cylinder of separating mechanism motion and being separated for driving clutch.
As shown in Fig. 2 described electric control clutch pedal 1 includes pedal 11, bottom plate 13 and roller 12.Described bottom plate 13 is consolidated
Dingan County is on vehicle frame.Described bottom plate 13 includes the fixed part and sliding part that bending is connected；Described sliding part is obliquely installed
It it is 100 ° ~ 150 ° in the top of fixed part, and with the angle of fixed part.Described pedal 11 is tiltedly mounted on the top of bottom plate 13,
And be connected with the rotation of bottom plate 13；Described roller 12 is movably arranged on the lower section of pedal 11.The described lower section of pedal 11 is provided with angle
Sensor 14, described angular transducer 14 is connected by angular transducer wire harness 15 with car ECU2 input.Described
Back-moving spring is provided between pedal 11 and bottom plate 13.
The operation principle of electric control clutch pedal 1 is：
When vehicle needs clutch 7 to separate, driver can gently step on electric control clutch pedal 1, and now roller 12 can be the bottom of along
Plate 13 is moved obliquely.Angle between pedal 11 and bottom plate fixed part reduces, and angular transducer 14 is by the signal of angle change
Car ECU2 is passed to by angular transducer wire harness 15 to be analyzed.When vehicle needs clutch 7 to combine, driver can pine
Electric control clutch pedal 1 is opened, now roller 12 can obliquely be moved in the presence of back-moving spring along bottom plate 13, pedal 11 and bottom
Angle increase between plate fixed part, angular transducer 14 passes to the signal of angle change by angular transducer wire harness 15
Car ECU2 is analyzed.
As shown in figure 3, described magnetic valve includes control end a, inlet end b, exhaust end c and outlet side d, its control end a
It is connected with car ECU output end, its inlet end b is connected by tracheae with source of the gas 4, its outlet side d is by tracheae with separating cylinder 5
Air inlet 56 be connected.
The operation principle of magnetic valve 3 is：
When clutch 7 needs separation, driver steps on automatically controlled clutch pedal 1, the angle of pedal 11 and the angle of bottom plate 13
It is gradually reduced and signal is passed into car ECU2, car ECU2 carries out sending instruction control after analysis judgement according to the size of angle
Magnetic valve 3 processed.Now the inlet end b of magnetic valve is opened, and exhaust end c is closed, and inlet end b is connected with outlet side d, the source of the gas 4 come
Gas receiver in gas by the inlet end b of magnetic valve enter separation cylinder 5 the first air cavity 51 in.Because of electric control clutch pedal
The angle stepped on is different, so the control signal that car ECU2 is sent is different, magnetic valve inlet end b and outlet side d ventilation pressure
Power is also different, and with electric control clutch pedal angle reduction and throughput increases, the increase of outlet side d outlet pressure.
When clutch 7 will be combined, driver unclamps electric control clutch pedal 1, the return of electric control clutch pedal 1, pedal 11 with
The angle of the angle of bottom plate 13 gradually increases, and signal is passed into car ECU2, and car ECU2 is divided according to the size of angle
Analysis sends instruction control magnetic valve 3 after judging.Now the inlet end b of magnetic valve 3 is closed, and exhaust end c is opened, outlet side d and exhaust
C connections are held, the gas separated in the first air cavity 51 of cylinder 5 is discharged in air by the exhaust end c of magnetic valve.Because of electric control clutch
The angle that pedal 1 unclamps is different, so the control signal difference that car ECU2 is sent, magnetic valve outlet side d and exhaust end c's is logical
Atmospheric pressure is also different, and as the increase of pedal angle and exhaust end c exhaust velocity increase.
As shown in figure 4, described separation cylinder 5 includes cylinder body, piston 53, push rod 54 and return spring 55.Described piston
53 are located in cylinder body, and cylinder body is divided into the first air cavity 51 and the second air cavity 52.Air inlet is offered on the first described air cavity 51
Porting 57 is offered on mouth 56, the second described air cavity 52.Described one end of push rod 54 is installed through in cylinder body, and with
Piston 53 is fixedly linked, and the other end is located at outside cylinder body, and is connected with the input of separating mechanism 6.Described return spring 55
In in the first air cavity, and its two ends is fixedly linked with inboard wall of cylinder block, piston 53 respectively.
Separation cylinder operation principle be：
When clutch 7 needs separation, driver can step on electric control clutch pedal 1, now magnetic valve inlet end b and outlet
Hold the gas in d connections, the gas receiver of source of the gas 4 to pass through magnetic valve 3, and enter separation cylinder 5 by separating the air inlet e of cylinder 5
In first air cavity 51, and the angle being operated with electric control clutch pedal 1 increases, into the air pressure increase in separation cylinder 5.With
Air pressure in first air cavity 51 gradually increases, and the pressure for overcoming return spring 55 is promoted piston to move right by air pressure, piston 53
Push rod 54 is driven to move right together, air pressure is bigger, and the translational speed of push rod 54 is also faster, push rod 54 can promote separating mechanism 6 will
Clutch 7 is separated.When clutch 7 needs to combine, driver can unclamp electric control clutch pedal 1, the air inlet b of magnetic valve 3
Close, exhaust end c is connected with outlet side d, the exhaust of magnetic valve 3 can be passed through by now separating the gas in the first air cavity 51 of cylinder 5
End c is discharged in air, and the air pressure in the first air cavity 51 is gradually reduced, and the piston 53 and push rod 54 in separation cylinder 5 are in return spring
Gradually it is moved to the left in the presence of 55, clutch 7 drives separating mechanism return in itself spring effect, clutch 7 is combined.
It is that the gas in the pressure in equilibrium separation cylinder 5, the second air cavity 52 can be by dividing when piston 53 moves right
It is discharged to from the porting 57 on cylinder 5 in air；When piston 53 is moved to the left, air is by by separating the intake and exhaust on cylinder 5
Mouth 57 enters in the second air cavity 52, so as to reach air pressure balance.Porting 57 also has waterproof and the function of anti-gray.
As shown in Figure 5 and Figure 6, described separating mechanism includes separation swing arm 61, separation axle 62, disengaging yoke 63 and separation
Bearing 64.The two ends of described separation swing arm 61 respectively with push rod 54, separate axle 62 be connected.The described two ends of separation axle 62 difference
It is connected with separating swing arm 61, disengaging yoke 63；The described two ends of disengaging yoke 63 are respectively with separating axle 62, the phase of release bearing 64
Even.Described release bearing 64 is connected with the clutch abutment of clutch 7.
When clutch 7 needs separation, the push rod 54 of separation cylinder 5 is moved right, and drives the separation swing arm in separating mechanism 6
61 rotate clockwise, and separation swing arm 61 drives separation axle 62 in separating mechanism to rotate, and separation axle 62 drives the up time of disengaging yoke 63
Pin rotates, and disengaging yoke 63 drives release bearing 64 to move right, the separation finger on the extruding clutch 7 of release bearing 64, so that
Separate clutch 7.
The present invention operation principle be：
Driver steps on electric control clutch pedal 1, and signal is passed into car ECU2, and car ECU2 is according to electric control clutch
The different angles that device pedal 1 is operated carry out analysis judgement, and export unlike signal control magnetic valve 3.The now gas of magnetic valve 3
Valve is opened, and inlet end b and outlet side d are communicated, and exhaust end c is closed, and the gas in the gas receiver of source of the gas 4 passes through air inlet by tracheae
Hold b to enter magnetic valve 3, and exported from outlet side d.The signal that magnetic valve 3 is exported according to car ECU2 is different, and its air valve is opened
Of different sizes, i.e. the gas pressure of outlet side d outputs is different.Gas is entered after the outlet side d outputs of magnetic valve 3 by tracheae
Enter to separate the air inlet of cylinder 5, and enter separation cylinder 5 by separating the air inlet of cylinder 5, pushing away for cylinder 5 is separated under the influence of air pressure
Bar 54 is pushed outwardly, and is moved so as to manipulate separating mechanism 6, and separating mechanism 6 promotes clutch 7 to be separated.Separated with entering
Gas pressure increase in cylinder 5, the release of push rod 54 length of separation cylinder 5 was once long, and clutch 7 is gradually disengaged, until being kept completely separate.
Driver unclamps electric control clutch pedal 1, and now signal will be passed to car ECU2, car ECU2 according to it is automatically controlled from
The different angles that clutch pedal is released carry out analysis judgement, and export unlike signal control magnetic valve 3, now magnetic valve air inlet
B is held to close, exhaust end c is opened, outlet side d is connected with exhaust end c, different according to signal, exhaust end c unlatching is of different sizes,
I.e. exhaust velocity is different.Gas in separation cylinder 5 is discharged from magnetic valve 3, and the air pressure in separation cylinder 5 is gradually reduced, and is now separated
The push rod 54 of cylinder 5 return in the presence of return spring 55, because the push rod 54 for separating cylinder 5 loses thrust, clutch 7 is in itself bullet
Gradually combined in the presence of spring, to the last clutch compressing disc and clutch plate run-in synchronism.
The invention further relates to a kind of control method of car electric control clutch piece-rate system, this method comprises the following steps：
（1）The angular rate signal of electric control clutch pedal is gathered in real time；
（2）Car ECU carries out analysis judgement to the angular rate signal of electric control clutch pedal；If the angle of electric control clutch pedal
Degree is gradually reduced, then car ECU sends control signal to magnetic valve by the control end of magnetic valve, by the air inlet of magnetic valve
End and outlet side are opened, and exhaust end is closed, and the number of degrees reduced according to the angle in unit interval of electric control clutch pedal, in real time
Control the inlet end of magnetic valve and the opening angle of outlet side；
If the angle of electric control clutch pedal gradually increases, car ECU is sent by the control end of magnetic valve and controlled
Signal is opened the exhaust end of magnetic valve and outlet side, inlet end is closed to magnetic valve, and according to the unit of electric control clutch pedal
The number of degrees of angle increase in time, control the exhaust end of magnetic valve and the opening angle of outlet side in real time；
（3）When the inlet end of magnetic valve and outlet side are opened, exhaust end is closed, according to the inlet end and outlet of magnetic valve
The opening angle size at end, the push rod of separation cylinder drives separating mechanism motion, the separation of separating mechanism driving clutch；
When the exhaust end of magnetic valve and outlet side are opened, inlet end is closed, according to the exhaust end of magnetic valve and outlet side
Opening angle, separate the push rod of the cylinder return in the presence of return spring, clutch gradually ties in the presence of itself spring
Close, to the last clutch compressing disc and clutch plate run-in synchronism.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
In various modifications and improvement that case is made, the protection domain that claims of the present invention determination all should be fallen into.
Claims (2)
1. a kind of car electric control clutch piece-rate system, it is characterised in that：Divide including electric control clutch pedal, magnetic valve, for driving
The separating mechanism separated from the separation cylinder of mechanism kinematic and for driving clutch；
Described magnetic valve, its control end is connected with car ECU output end, and its inlet end is connected by tracheae with source of the gas, its
Outlet side is connected with separating the air inlet of cylinder；
Described separation cylinder includes cylinder body, piston, push rod and return spring；Described piston is located in cylinder body, and cylinder body is divided
For the first air cavity and the second air cavity；Offer and offered on air inlet, the second described air cavity into row on the first described air cavity
Gas port；Described push rod one end is installed through in cylinder body, and is fixedly linked with piston, and the other end is located at outside cylinder body, and with dividing
Disembark structure input be connected；Described return spring is located in the first air cavity, and its two ends is solid with inboard wall of cylinder block, piston respectively
It is fixed to be connected；
The output end of described separating mechanism contacts connection with clutch；
Described electric control clutch pedal includes pedal, bottom plate and roller；
Described bottom plate is fixedly mounted on vehicle frame；Described pedal is tiltedly mounted on above bottom plate, and is connected with bottom plate rotation；
Described roller is movably arranged on below pedal；
Angular transducer is provided with below described pedal, described angular transducer passes through angular transducer wire harness and car ECU
Input be connected；
Back-moving spring is provided between described pedal and bottom plate；
Described separating mechanism includes separation swing arm, separation axle, disengaging yoke and release bearing；
The two ends of described separation swing arm respectively with push rod, separate axle be connected；Described separation axle two ends respectively with separate swing arm,
Disengaging yoke is connected；Described disengaging yoke two ends are connected with separating axle, release bearing respectively；Described release bearing and clutch
Device contact connection；
Described bottom plate includes the fixed part and sliding part that bending is connected；Described sliding part is inclined at the upper of fixed part
Side, and be 100 ° ~ 150 ° with the angle of fixed part.
2. a kind of control method of car electric control clutch piece-rate system according to claim 1, it is characterised in that：This method
Comprise the following steps：
（1）The angular rate signal of electric control clutch pedal is gathered in real time；
（2）Car ECU carries out analysis judgement to the angular rate signal of electric control clutch pedal；If the angle of electric control clutch pedal is
Be gradually reduced, then car ECU sends control signal to magnetic valve by the control end of magnetic valve, by the inlet end of magnetic valve and
Outlet side is opened, and exhaust end is closed, and the number of degrees reduced according to the angle in unit interval of electric control clutch pedal, in real time control
The inlet end of magnetic valve and the opening angle of outlet side；
If the angle of electric control clutch pedal gradually increases, car ECU sends control signal by the control end of magnetic valve
To magnetic valve, the exhaust end of magnetic valve and outlet side are opened, inlet end is closed, and according to the unit interval of electric control clutch pedal
The number of degrees of interior angle increase, control the exhaust end of magnetic valve and the opening angle of outlet side in real time；
（3）When the inlet end of magnetic valve and outlet side are opened, exhaust end is closed, according to the inlet end of magnetic valve and outlet side
Opening angle size, the push rod of separation cylinder drives separating mechanism motion, the separation of separating mechanism driving clutch；
When the exhaust end of magnetic valve and outlet side are opened, inlet end is closed, according to opening for the exhaust end of magnetic valve and outlet side
Open angle, separate the push rod of the cylinder return in the presence of return spring, clutch is gradually combined in the presence of itself spring, directly
To last clutch compressing disc and clutch plate run-in synchronism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510010952.6A CN104565129B (en) | 2015-01-09 | 2015-01-09 | A kind of car electric control clutch piece-rate system and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510010952.6A CN104565129B (en) | 2015-01-09 | 2015-01-09 | A kind of car electric control clutch piece-rate system and its control method |
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| CN104565129A CN104565129A (en) | 2015-04-29 |
| CN104565129B true CN104565129B (en) | 2017-09-26 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224408A (en) * | 2016-09-22 | 2016-12-14 | 芜湖联合新能源重卡产业技术研究院有限公司 | A kind of heavy truck clutch operating device |
| CN107781321B (en) * | 2017-10-16 | 2019-05-28 | 潍柴动力股份有限公司 | A kind of clutch controller and control method |
| CN109139742A (en) * | 2018-10-11 | 2019-01-04 | 长春东离合器股份有限公司苏州研发中心 | vehicle clutch control system |
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| GB994529A (en) * | 1962-03-23 | 1965-06-10 | Fichtel & Sachs Ag | Improvements in or relating to clutches |
| US5042631A (en) * | 1988-12-20 | 1991-08-27 | Renault Vehicules Industriels | Electropneumatic clutch control device |
| CN2906199Y (en) * | 2006-05-31 | 2007-05-30 | 清华大学 | Automatic clutch for tandem type hybrid power assist power unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102006032915A1 (en) * | 2006-07-15 | 2008-01-24 | Zf Friedrichshafen Ag | Clutch actuator for the automatic actuation of a friction clutch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB994529A (en) * | 1962-03-23 | 1965-06-10 | Fichtel & Sachs Ag | Improvements in or relating to clutches |
| US5042631A (en) * | 1988-12-20 | 1991-08-27 | Renault Vehicules Industriels | Electropneumatic clutch control device |
| CN2906199Y (en) * | 2006-05-31 | 2007-05-30 | 清华大学 | Automatic clutch for tandem type hybrid power assist power unit |
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| CN102135143A (en) * | 2011-04-06 | 2011-07-27 | 重庆长安汽车股份有限公司 | Pure aerodynamic AMT clutch control system |
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