KR100633126B1 - Electronic control type clutch apparatus and method therefor - Google Patents

Abstract

The present invention relates to a clutch device for intermittent power transmission of a vehicle, and in particular, a sensor for detecting rotation of a clutch pedal is installed, and a motor is driven to rotate the release fork according to a signal transmitted from the sensor. The present invention relates to an electronically controlled clutch device and a method of controlling the same, which are capable of preventing damage to the clutch device and starting off caused by an erroneous operation of a driver.

Electronically controlled clutch device according to the present invention, the sensor unit for detecting the operation of the clutch pedal and the driving state of the vehicle and transmits it, and the operation of the vehicle and the operation state of the clutch pedal detected by the sensor unit A driving means provided between the clutch pedal and the release fork so as to rotate the release fork, and the rotation direction of the release fork according to whether the clutch pedal is operated and the driving state of the vehicle is determined by the data received from the sensor unit. It characterized in that it comprises a control unit for transmitting a signal of forward rotation or reverse rotation to the drive means.

Clutch, clutch pedal, release fork, clutch disc, potentiometer

Description

Electronic control clutch device and its control method {ELECTRONIC CONTROL TYPE CLUTCH APPARATUS AND METHOD THEREFOR}             

1 is a block diagram showing a clutch device according to the prior art,

2 is a block diagram showing an electronically controlled clutch device according to the present invention;

3 is a partially enlarged view showing a driving means of the electronically controlled clutch device according to the present invention;

4 is a block diagram showing a sensor unit and a driving means of the electronically controlled clutch device according to the present invention;

5 is a flowchart illustrating a control method of an electronically controlled clutch device according to the present invention.

<Explanation of symbols on main parts of the drawings>

50: clutch pedal 60: sensor

62: clutch pedal sensor 64: vehicle speed sensor

66: wheel speed sensor 68: brake pedal sensor

70: driving means 72: motor

74: Pinion 76: Lek

80: control unit 90: release fork

92: release bearing 94: clutch disc

96: engine 98: transmission

The present invention relates to a clutch device for intermittent transmission of power of a vehicle, and in particular, a sensor unit for detecting rotation of a clutch pedal is installed, and a motor is driven according to a signal transmitted from the sensor unit to rotate the release fork, and to the control unit. The present invention relates to an electronically controlled clutch device and a method of controlling the same, by efficiently controlling the driving of a motor, thereby preventing the clutch device from being damaged and starting off due to a misoperation of a driver.

In general, the clutch is a device mounted between the engine and the transmission in order to transmit or control the power of the engine to the driving wheel, the configuration thereof with reference to FIG.

The piston pedal 21 of the master cylinder 20 is fastened to the clutch pedal 10 having the first return spring 11. The master cylinder 20 is connected to the release cylinder 30 provided with the push rod 31 via the flexible hose 23 and the pipe 24.

One side of the release fork 41 is fixed to the clutch housing 40 to act to push the clutch release bearing by the lever action. One end of the push rod 31 is installed to contact the release fork 41 to push the release fork 41 according to the operation of the clutch pedal 10.

A second return spring 32 is provided between the release fork 41 and the release cylinder 30 so that the release fork 41 and the push rod 31 are always in contact when the push rod 31 is linearly operated. Will be maintained.

The operation of the conventional clutch device configured as described above is as follows.

When the driver steps on the clutch pedal 10, the piston rod 21 pushes the piston in the master cylinder 20, and the oil in the reservoir tank 22 is caused by the oil generated by the hydraulic hose 23. It is delivered to the release cylinder 30 along the pipe 24.

The piston pushes the push rod 31 by the hydraulic pressure transmitted to the release cylinder 30, and the release fork 41 in contact with the push rod 31 pushes the release bearing so that the pressure plate and the clutch disc are spaced apart from the engine. It is to control the transmission of power to the drive wheels.

When the driver releases the clutch pedal 10, the clutch pedal 10 is returned to its original position by the first return spring 11, and the pressure plate and the clutch disk are in close contact with each other when the driver presses the clutch pedal. As a result, the power of the engine is transmitted to the driving wheel.

In the conventional clutch device configured and operated as described above, the hydraulic pressure is pushed along the flexible hose and the pipe according to the stepping force acting on the clutch pedal. Therefore, as the number of operation of the clutch pedal increases, leakage may occur due to a decrease in the seal portion of the hydraulic line system or the endurance limit of the pipe main body, resulting in an accident.

In addition, the clutch device according to the prior art operates the clutch pedal in an inexperienced manner, and the start is frequently turned off due to immature operation of the clutch pedal, and in order to prevent such starting and shutting off, the clutch device is operated with only a certain amount of stepping on the clutch pedal. In order to prevent the start-up, novice drivers often use this half-clutch state even during normal driving, causing a wear of the clutch disc, which shortens the life of the clutch device.

The present invention has been made to solve the above problems of the prior art, a sensor for detecting the operation of the clutch pedal and a sensor for detecting the normal driving of the vehicle, a sensor for detecting the operation of the brake pedal is installed, Drive means for determining whether the release fork is properly rotated in accordance with the driving state of the vehicle sensed by these sensors is provided, thereby preventing the wear of the clutch disc caused by the erroneous operation of the driver, and in the uphill lane An object of the present invention is to provide an electronically controlled clutch device and a control method thereof, which can prevent a vehicle from being pushed back differently from the driver's intention.

In the electronically controlled clutch device according to the present invention for solving the above problems, the clutch pedal is rotated by the driver's stepping and the clutch pedal is operated by the operating force of the clutch pedal, so that the release bearing is driven to connect the clutch disk and the flywheel. In the clutch device including a release fork for determining the operation, the sensor unit for detecting the operation of the clutch pedal and the driving state of the vehicle and transmits it, the operation of the clutch pedal detected by the sensor unit and the operation of the vehicle Driving means provided between the clutch pedal and the release fork to rotate the release fork corresponding to the state, and rotation of the release fork according to the operation state of the vehicle and the operation of the vehicle according to whether the clutch pedal is operated by the data received from the sensor unit. Determining the direction and transmitting a signal of forward rotation or reverse rotation to the drive means; The sensor unit is connected to the clutch pedal to detect the operation of the clutch pedal to detect the operation of the clutch pedal, and the vehicle speed detecting sensor to determine whether the vehicle running by detecting the speed of the vehicle and Is installed on one side of the wheel of the vehicle wheel speed sensor for judging whether the vehicle running, forward, and backward, and the brake pedal detection sensor for detecting whether the driver operates the brake pedal, the clutch pedal The sensor is installed in the hydraulic line connected to the clutch pedal to determine whether the operation of the clutch pedal has started, and the operation of the clutch pedal after the operation of the clutch pedal is judged to proceed more than the set amount Potentiometer for detecting the displacement is included.

In addition, the control method of the clutch device of the electronic control method according to the present invention is a clutch pedal that is rotated when the driver presses, and the clutch pedal is rotated by the operating force of the clutch pedal, so that the release bearing is driven to connect the clutch disc and the flywheel. A clutch device including a release fork for determining, comprising: a clutch pedal detecting step of determining whether the clutch pedal is operated by a user, and detecting whether the vehicle is operating normally when the clutch pedal is operated in the clutch pedal detecting step. The normal driving detection step, the brake pedal detection step of detecting whether the brake pedal is operated when the vehicle is determined to be abnormal driving in the normal driving detection step, and the brake pedal detection step is determined that the brake pedal is not operated. The motor is driven to the set value It characterized by containing the motor driving method comprising: to achieve a half-clutch state.

Hereinafter, an embodiment of an electronic control clutch device and a control method thereof according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a block diagram showing an electronically controlled clutch device according to the present invention.

Electronically controlled clutch device according to the present invention, the sensor unit 60 and the sensor unit to be installed on the clutch pedal 50 and the vehicle, the wheel to detect whether the operation of the clutch pedal 50 and the driving state of the vehicle, According to the data transmitted by 60, it is determined whether the release of the release fork 90 suitable for the operation of the clutch pedal 50 and the driving state of the vehicle is rotated, and whether the release of the determined release fork 90 is turned into an electrical signal. The control unit 80 to transmit and rotate the release fork 90 in the forward or reverse direction in accordance with the data received from the control unit 80, the drive to enable the interruption or transmission of the driving force of the engine 96 can be made Means 70 are included.

Here, the sensor unit 60 is connected to the clutch pedal 50, the clutch pedal sensor 62 to detect the operation of the clutch pedal 50 and the vehicle speed by detecting the speed of the vehicle running or not A vehicle speed sensor 64 for determining a vehicle speed, a wheel speed sensor 66 installed at one side of a wheel of the vehicle to determine whether the vehicle is driven, moving forward and backward, and whether the driver operates the brake pedal. A brake pedal sensor 68 for sensing is included.

In addition, the clutch pedal detection sensor 62 is installed on a hydraulic line connected to the clutch pedal 50 so as to determine whether operation of the clutch pedal 50 is started, and the clutch After the operation of the pedal 50 is started, a potentiometer (not shown) for detecting the displacement is included so as to determine whether the operation of the clutch pedal 50 has progressed more than a set amount.

Thus, when the driver operates the clutch pedal 50, it is detected that the operation of the clutch pedal is started by the pressure sensor, and when the clutch pedal 50 detects that the clutch pedal 50 has been operated by the potentiometer or more, the driving means. The release fork 90 is rotated by 70 so that the driving force of the engine 96 is interrupted, and the driver can operate the transmission 98 at this time.

In addition, when the potentiometer detects that the clutch pedal 50 has not been operated by a predetermined amount or more, the vehicle speed sensor 64 and the wheel speed sensor 66 move the vehicle forward and backward and backward. It is detected whether the clutch disk 94 is driven in a state in which the friction disk 94 is rubbed on the flywheel while the vehicle is being driven to prevent the clutch disk 94 from being worn and to prevent the vehicle from being pushed backwards from the uphill lane. .

Of course, the clutch pedal detection sensor 62, even if any one of the displacement sensor, such as a pressure sensor or a potentiometer can be installed to detect the operation of the clutch pedal and the displacement, and any known sensor may be applied. Do.

3 is a configuration diagram showing the driving means of the electronically controlled clutch device according to the present invention, Figure 4 is a configuration diagram showing the sensor unit and the driving means of the electronically controlled clutch device according to the present invention.

The driving means 70 may include a motor 72 driven according to an electrical signal input from the controller 80, a pinion 74 meshed with a rotation shaft of the motor 72, and the pinion 74. And a gear 76 which is connected to the lower end of the release fork 90 and converts the rotational movement of the pinion 74 into a linear motion to rotate the release fork 90.

Of course, the pinion 74 and the rack 76 may be any structure known in the art as long as it can convert the rotational motion of the motor 72 into the rotational motion of the release fork 90. When the rack is directly driven by a gear and the release fork is restored to its original state, the rack may be restored by the return spring without driving the motor.

Looking at the control method of the electronic control clutch device according to the present invention configured as described above are as follows.

5 is a flowchart illustrating a control method of an electronically controlled clutch device according to the present invention.

The control method of the electronically controlled clutch device according to the present invention includes a clutch pedal detecting step of determining whether the clutch pedal 50 has been operated by a user, and a clutch pedal 50 being operated in the clutch pedal detecting step. Normal driving detection step for detecting whether the normal driving, the normal driving detection step, if the vehicle is determined to be abnormal driving brake pedal detection step for detecting whether the brake pedal has been operated, and brake pedal detection step in the brake pedal detection step If it is determined that the state has not been operated, the motor 72 is driven to a set value is configured to include a motor driving step to achieve a half-clutch state.

Here, in the normal driving detection step, the vehicle is stopped for a predetermined time or defined as a normal driving state while driving for a predetermined time or more while maintaining a predetermined speed to determine whether the vehicle is running normally, In the normal driving detection step, if it is determined that the vehicle is in a normal driving state, the anti-clutch detection step of detecting whether the clutch pedal 50 has been operated above a set amount is further performed.

In addition, in the anti-clutch detection step, when the clutch pedal 50 is operated at a predetermined amount or more, the motor 72 is driven in the motor driving step so that the driving force of the engine 96 is interrupted to operate the transmission 98. When the clutch pedal 50 is operated at a predetermined amount or less, the motor 72 is not driven in the motor driving step so that the driving force of the engine 96 is transmitted.

In the brake pedal detecting step, when it is determined that the brake pedal is operated, the motor is driven in the motor driving step so that the driving force of the engine is interrupted.

Thus, even when the driver is inexperienced in the operation of the clutch pedal 50 while the vehicle is in an abnormal driving state, for example, in a road situation in which it is necessary to repeat the stop and start while driving in an uphill road, It is possible to prevent the ignition from turning off and to prevent the vehicle from moving differently from the driver's intention.

 In the electronically controlled clutch device and the control method according to the present invention configured as described above, a sensor unit for detecting whether the clutch pedal is operated and a driving state of the vehicle is installed, and according to the data detected by the sensor unit, Drive means for determining the rotation of the release fork according to the driving state is provided, and the drive means is controlled by the control unit, so that the driver effectively prevents the clutch pedal from being inexperienced when the vehicle achieves irregular abnormal driving below a certain speed. Since the clutch can be maintained, it is possible to prevent starting of the vehicle or movement of the vehicle other than the driver's intention, thereby preventing a safety accident.

In addition, the electronically controlled clutch device and its control method according to the present invention detects when the driver makes an anti-clutch state by mis-operation when the vehicle is running normally at a predetermined speed or more, and the clutch disc is flywheeled. By making it completely connected to the, the wear of the clutch disc can be prevented and the life of the vehicle is extended.

Claims (9)

Claims [1] A clutch device including a clutch pedal that is rotated when a driver presses and a release fork that is rotated by an operating force of the clutch pedal and thus releases a bearing to determine whether a clutch disc and a flywheel are connected; A sensor unit for detecting whether the clutch pedal is operated and a driving state of the vehicle and transmitting the detected state; Drive means provided between the clutch pedal and the release fork to rotate the release fork corresponding to the operation state of the vehicle and the operation of the clutch pedal sensed by the sensor unit; A control unit configured to determine a rotation direction of the release fork according to whether the clutch pedal is operated and the driving state of the vehicle based on the data received from the sensor unit, and transmit a forward or reverse rotation signal to the driving means; The sensor unit is connected to the clutch pedal, the clutch pedal sensor for sensing the operation of the clutch pedal, the vehicle speed sensor for detecting the speed of the vehicle to determine whether the vehicle running, and one side of the wheel of the vehicle A wheel speed sensor configured to determine whether the vehicle is driven and whether the vehicle is driven forward or backward, and a brake pedal sensor configured to detect whether the driver has operated the brake pedal; The clutch pedal sensor includes a pressure sensor installed at a hydraulic line connected to the clutch pedal to determine whether the operation of the clutch pedal is started, and whether the operation of the clutch pedal has progressed more than a predetermined amount after the operation of the clutch pedal is started. Electronically controlled clutch device characterized in that it includes a potentiometer for detecting the displacement to determine. delete delete The method of claim 1, The driving means may include a motor which is rotated forward or reverse according to a driving signal input from the controller, a pinion geared with the rotating shaft of the motor, and a gear bite engaged with the pinion, and connected to a lower end of the release fork. An electronically controlled clutch device, comprising a rack for rotating the release fork by converting the rotational motion of the motor into a linear motion. Claims [1] A control method of a clutch device including a clutch pedal that is rotated when a driver presses and a release fork that is rotated by an operating force of the clutch pedal, so that a release bearing is driven to determine whether the clutch disc and the flywheel are connected; A clutch pedal detecting step of determining whether the clutch pedal has been operated by a user; A normal driving detecting step of detecting whether the vehicle is performing normal driving when the clutch pedal is operated in the clutch pedal detecting step; A brake pedal detection step of detecting whether the brake pedal is operated when the vehicle is determined to be abnormal driving in the normal driving detection step; And a motor driving step of driving the motor to a set value to achieve a half clutch state when it is determined that the brake pedal is not operated in the brake pedal detection step. The method of claim 5; The normal driving detection step, the control method of the electronically controlled clutch device, characterized in that the vehicle is stopped for a predetermined time or a predetermined driving state while maintaining a predetermined speed or more as a normal driving state. The method of claim 5 or 6; The normal driving detecting step may further include a half clutch detecting step of detecting whether the clutch pedal is operated at a predetermined amount or more when the vehicle is determined to be in a normal driving state, and the clutch pedal is above the setting amount in the half clutch detecting step. The control method of the electronically controlled clutch device, characterized in that the motor is driven in the motor driving step to control the driving force of the engine if the operation. The method of claim 7; In the anti-clutch detection step, if the clutch pedal is operated below the set amount, the control method of the electronically controlled clutch device, characterized in that the driving force of the engine is transmitted because the motor is not driven in the motor driving step. The method of claim 5; The brake pedal detection step, the control method of the electronically controlled clutch device, characterized in that if the brake pedal is determined to operate the motor is driven in the motor driving step to control the driving force of the engine.

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