JP2000282748A - Automatic opening and closing device of vehicle sliding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic opening and closing device of a vehicle sliding door incapable of being inverted by an overload invertible function even if the sliding door is forcedly opened when the body is subjected to an excessive shock. SOLUTION: An automatic opening and closing device of a vehicle sliding door includes a sliding door for opening, closing and moving along the side of the body 1, a sliding door driving device 7 for opening, closing and driving the sliding door based on driving force of a driving source 7f transmitted through a clutch device 7e, a moving signal generating device 10 for generating a signal according to a moving direction of the sliding door, a shock detector 9 for detecting the fact that the body gets an excessive shock and a sliding door controller 8 controlling the driving source 7f and the clutch device 7e to control driving force transmitted to the sliding door driving device 7, and when the shock detector 9 detects an excessive shock, the sliding door controller 8 releases an overload invertible function for inverting and moving the sliding door when operation resistance of the sliding door is increased.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic opening / closing device for a vehicle sliding door which opens and closes a sliding door mounted on a side surface of a vehicle body of an automobile or the like by a drive source such as a motor. This is related to the control in the case where it is performed.

[0002]

2. Description of the Related Art Conventionally, an automatic sliding door opening / closing apparatus for a vehicle has a sliding door mounted on a side surface of a body of an automobile or the like so as to be movable in a front-rear direction, and the sliding door is opened and closed by a driving source such as a motor. It has been known.

In this device, for example, by operating a slide door opening / closing operator provided near a driver's seat and a rear seat, a driving source is started by a control device installed in the vehicle, and an electromagnetic clutch is turned on ( In this state, the power of the drive source is transmitted to the slide door opening / closing mechanism in the connected state to open and close the slide door.

Further, this device is provided with a main switch for selectively switching between an automatic opening / closing mode in which the sliding door is opened and closed by the power of a driving source and a manual opening / closing mode in which a user manually operates the sliding door. If the main switch selects the manual opening / closing mode while moving in the opening / closing mode, the slide door is stopped halfway, the electromagnetic clutch is turned off (disconnected), and the mode is switched to the manual opening / closing mode.

In addition, this device controls the slide door to move in the opposite direction when it detects that the slide door has come into contact with some foreign matter while the slide door is moving in the opening or closing direction in the automatic opening / closing mode. Had gone.

That is, for example, a slide door that has been moving in the opening direction is reversed in the closing direction, returned to near the fully closed position, and then moved again in the opening direction. Similarly, when the sliding door is moving in the closing direction, the sliding door is turned in the opening direction, returned to the vicinity of the fully opened position, and then moved in the closing direction again.

For this reason, if the obstructive foreign matter is not removed, the slide door reciprocates repeatedly, which wastes the battery and damages the mechanism, so that it is detected that the slide door has reciprocated a certain number of times. Then, the slide door is stopped, the electromagnetic clutch is turned off, and the mode is switched to the manual opening / closing mode.

[0008]

As described above, the conventional automatic opening / closing device for a sliding door for a vehicle is capable of hitting any foreign matter when the sliding door is moving in the opening or closing direction in the automatic opening / closing mode. The overload reversal function of reversing the sliding door when the contact was detected was provided.

For this reason, if the vehicle body receives an excessive impact and deforms, for example, a rail-shaped upper track for guiding the sliding door, the operating resistance of the sliding door is increased. The controller recognizes the increase in the operating resistance of the slider as being trapped by a foreign object, and reversely moves the slider. As a result, in some cases, the sliding door cannot be turned upside down and opened.

SUMMARY OF THE INVENTION The present invention has been made to solve such a conventional problem, and an automatic opening / closing apparatus for a sliding door for a vehicle which does not reversely move halfway when the vehicle body receives an excessive impact. The purpose is to provide.

[0011]

The invention according to claim 1 of the present invention is based on a sliding door that opens and closes along a side surface of a vehicle body and a driving force of a driving source transmitted through a clutch means. A sliding door driving means for driving the opening and closing of the sliding door, a moving signal generating means for generating a signal corresponding to a moving direction of the sliding door, an impact detecting means for detecting that the vehicle body receives an excessive impact, a driving source, and Slide door control means for controlling the clutch means to control the driving force transmitted to the slide door drive means, wherein the slide door control means increases the operating resistance of the slide door when the shock detection means detects an excessive shock. In this case, the overload reversal function of reversing the slide door is released.

According to the present invention, when an excessive impact is detected by the impact detecting means, the overload reversing function is released to leave only the driving function. This has the effect that the door does not reverse.

According to a second aspect of the present invention, in the first aspect of the present invention, the slide door control means controls the slide door when the operating resistance increases while the slide door is moving in the opening direction. This is to release the overload reversal function of reversing movement.

According to the present invention, when an excessive impact is detected by the impact detecting means and the operating resistance increases while the sliding door is moving in the opening direction, the overload reversing function is released and only the driving function is left. Therefore, even if the operating resistance of the slide door increases, the slide door does not reversely move in the closing direction.

According to a third aspect of the present invention, a slide door that opens and closes along a side surface of a vehicle body and opens and closes the slide door based on the driving force of a drive source transmitted through a clutch means. Controlling a slide door driving means, a movement signal generating means for generating a signal corresponding to a moving direction of the slide door, an impact detecting means for detecting that an excessive impact is applied to the vehicle body, and a driving source and a clutch means And a slide door control means for controlling a driving force transmitted to the slide door drive means. When the impact detection means detects an excessive impact, the slide door control means stops the drive source and drives the drive source and the slide door by the clutch means. The connection with the means is released so that a manual opening / closing operation can be performed.

According to the present invention, when an excessive impact is detected by the impact detection means, the automatic opening / closing mode is released and switched to the manual opening / closing mode by manual operation. This has the effect that the sliding door does not reverse.

According to a fourth aspect of the present invention, in the third aspect of the present invention, an inclination detecting means for detecting an inclination of the vehicle body is provided, and the sliding door control means is provided when the impact detecting means is operated. When the inclination detecting means detects that the vehicle body has stopped in the downward direction on the slope, the clutch means is half-clutched and the slide door is temporarily held.

According to the present invention, when the automatic opening / closing mode is canceled and the mode is switched to the manual opening / closing mode by manual operation, the clutch means is brought into a half-clutch state, so that even if the vehicle body is stopped in the downward direction on the slope, the vehicle is stopped. This has the effect that the sliding door does not fall naturally in the closing direction.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an external view showing an example of an automobile to which an automatic sliding door opening / closing device for a vehicle according to the present invention is applied. It shows a state of being attached. In FIG. 1, each component of the automatic opening / closing device provided in the vehicle body 1 is indicated by a solid line.

In FIG. 1, a sliding door 2 is a rail-shaped upper track 4 provided on an upper edge of a door opening 3 of a vehicle body 1.
A and the lower truck 4B provided on the lower edge are linked to each other so as to be slidably suspended in the vehicle body 1 in the front-rear direction.

The sliding door 2 is guided by a connecting member 5 attached to the inner rear end thereof slidably engaged with a guide track 6 fixed near the rear waist of the vehicle body 1. From the fully closed position in which the door is closed, while projecting slightly outward from the outer surface of the outer panel of the vehicle body 1, moving rearward in parallel with the side surface of the exterior panel of the vehicle body 1, and moving to the fully open position where the door opening 3 is fully opened. It is attached to.

Also, behind the door opening 3 of the vehicle body 1,
A slide door driving device 7 and a slide door control device 8 are mounted between the outer panel that covers the vehicle body 1 and the inner panel on the indoor side in proximity to the guide track 6. The slide door driving device 7 is configured to move a cable member provided in the guide track 6 by a driving source such as a motor, thereby moving the slide door 2 connected to the cable member.

Further, an impact detection sensor 9 as impact detection means for detecting that the vehicle body 1 has received an excessive impact due to a collision or the like is attached to a predetermined portion of the vehicle body 1. As the impact detection sensor 9, for example, an impact detection sensor of an air bag can be used.

FIG. 2 is a block diagram showing an embodiment of an automatic opening / closing device for a sliding door for a vehicle according to the present invention. In the figure, a vehicle body 1 includes a slide door drive device 7 and a slide door control device 8 described above.

The slide door driving device 7 includes a drive pulley 7a and a reversing pulley 7b, between which a cable member 7c is wound and a moving member 7d is attached to the cable member 7c.
Is fixed, and the moving member 7d and the slide door 2 are connected via the hinge arm 21.

The drive pulley 7a is connected to an open / close motor 7f as a drive source via an electromagnetic clutch 7e. The electromagnetic clutch 7e is configured such that the transmission maintaining force is controlled by the slide door control device 8.

The opening / closing motor 7f is provided with a sliding door control device 8
Is rotated in the opening direction or the closing direction under the control of. When the electromagnetic clutch 7e is turned on, the drive pulley 7
“a” is driven to rotate in the same direction as the opening / closing motor 7f, and moves the cable member 7c in a straight line direction with the reversing pulley 7b. Thereby, the slide door 2 moves in the front-back direction.

A rotary encoder 7g is linked to the rotation shaft of the drive pulley 7a. The output pulse is input to a pulse signal generator 10 as a movement signal generator, and is input to the slide door controller 8 as two-phase pulse signals φ1 and φ2.

The slide door control device 8 is configured to control the slide door drive device 7 having a drive source such as a motor by program control by a microcomputer, and to control opening and closing of the slide door 2.

The sliding door control device 8 is connected to the battery 31 to receive the DC voltage BV, is connected to the ignition switch 32, receives the ignition signal IG, is connected to the parking switch 33, receives the parking signal PK, and It is connected to a switch 34 and is configured to receive a main switch signal MA for selecting an automatic opening / closing mode.

The slide door controller 8 is connected to a door open switch 35 to receive a door open signal DO for instructing the slide door 2 to be opened, and is connected to a door close switch 36 to be a door for instructing the slide door 2 to close. Receiving the closing signal DC,
Connected to a buzzer 37 to generate an alarm sound when the sliding door 2 is automatically opened and closed, connected to an inclination sensor 38 to detect the inclination angle and the inclination direction of the vehicle body, and further connected to the above-described impact detection sensor 9. To receive the shock signal SH.

FIG. 3 is a schematic configuration diagram showing an example of the rotary encoder 7g, and FIG. 4 is an output waveform diagram thereof. The rotary encoder 7g includes a rotary disk RD attached to the rotary shaft of the drive pulley 7a, and a plurality of slits SL formed concentrically on the rotary disk RD.
And a light emitting element LD and a light receiving element PD disposed on both sides thereof. Two series of slits SL are formed concentrically to obtain two-phase pulse signals φ1 and φ2.

The waveform diagram of FIG. 4A shows two-phase pulse signals φ1 and φ2 obtained when the rotating disk RD is rotated clockwise, and the waveform diagram of FIG. These are two-phase pulse signals φ1 and φ2 obtained when rotating. In this example, when the rotating disk RD rotates clockwise, the slide door 2 is driven in the opening direction.

Accordingly, the slide door control device 8 determines the rotation direction of the rotary encoder 7g, that is, the movement direction of the slide door 2, from the phase relationship between the two signals.
For example, if the pulse signal φ2 is at a high level when the pulse signal φ1 rises, the direction is determined to be the open direction (FIG. A), and if the pulse signal φ2 is at the low level, the direction is determined to be the closed direction (FIG. B).

The slide door controller 8 measures the amount of movement of the cable member 7c from the number of pulses of the pulse signals φ1 and φ2 to determine the position of the slide door 2. That is, if the number of pulses up to the fully open position is counted using the fully closed position of the slide door 2 as an initial value, the counted value indicates the position of the moving member 7d, that is, the position of the slide door 2.

Returning to FIG. 2, in the slide door 2, a closure motor 22 for tightening the slide door 2 from immediately before the half latch to the full latch, a closure control unit 23 for controlling the same, and the slide door 2 reaches the half latch. A half switch 24 for detecting that the operation has been performed is provided.

Further, in the slide door 2, a release actuator (ACT) 26 which drives the door lock 25 to unlock from a striker 39 provided on the vehicle body 1 side, and unlocks the door lock 25 similarly to the release ACT 26. The door handle 27 is provided. The door lock 25 and the striker 39 constitute a door lock mechanism.

The electrical elements on the vehicle body 1 side and the electrical elements on the slide door 2 side are connected with the vehicle side connector provided in the door opening 3 when the slide door 2 is slightly opened from the fully closed state. This is performed by connecting the door 40 and the door-side connector 28 provided at the opening end of the slide door 2. The vehicle-side connector 40 and the door-side connector 28 constitute a power supply connector.

The closure controller 23 is connected to the battery 31 on the vehicle body 1 and the ground via both connectors 40 and 28. One end of the half switch 24 is grounded and the other end is the slide door controller 8 and the closure controller. 23, one end of the release ACT 26 is connected to the battery 31, and the other end is connected to the slide door control device 8.

Next, a door opening operation process for moving the slide door 2 to the fully open position will be described with reference to a flowchart shown in FIG.

First, when the impact detection sensor 9 does not detect an excessive impact (step S1), the slide door control device 8 determines whether or not conditions for operating the slide door 2 in the opening direction are satisfied (step S1). Step S2). That is, the parking signal PK detects that the vehicle body 1 is stopped, the main switch signal MA detects that the automatic opening / closing mode is set, and the door opening signal D
By detecting that the open command is selected by O and detecting that the current position of the slide door 2 is not the fully open position, it is determined that the conditions for operating the slide door 2 in the opening direction are satisfied.

When this condition is satisfied, the opening / closing motor 7 is actuated by the electromagnetic clutch 7e of the sliding door driving device 7.
f and the drive pulley 7a are mechanically connected, and the opening / closing motor 7f is rotated and started in the door opening direction to move the sliding door 2 in the opening direction (step S3).

In the meantime, the slide door 2 is moved in the opening direction (step S5) while the overload detection is performed to determine whether or not any foreign matter for suppressing the movement of the slide door 2 has been caught (step S4). When it is detected that the rotation has been reached (step S6), the opening / closing motor 7f is stopped, the mechanical connection between the opening / closing motor 7f by the electromagnetic clutch 7e and the drive pulley 7a is released (step S7), and the process is terminated.

If the operating resistance of the slide door 2 is increased due to foreign matter being caught or the like and an overload is detected (step S4), the slide door control device 8 controls the slide door drive device 7 to move the opening / closing motor 7f in the closing direction. The slide door 2 is reversed in the closing direction by the reverse drive (step S8).

When it is detected that the slide door 2 has reached the fully closed position (step S9), the opening / closing motor 7f is stopped, and the mechanical connection between the opening / closing motor 7f by the electromagnetic clutch 7e and the drive pulley 7a is released (step S9). Step S
7), the process ends.

When the impact detection sensor 9 detects an excessive impact (step S1), it is determined whether or not the above-described conditions for operating the sliding door 2 in the opening direction are satisfied (step S11). If it is, the opening / closing motor 7f is operated by the electromagnetic clutch 7e of the sliding door driving device 7.
And the drive pulley 7a are mechanically connected, and the opening / closing motor 7f is rotationally activated in the door opening direction to move the sliding door 2 in the opening direction (steps S12, S13).

When it is detected that the full-open position has been reached (step S14), the opening / closing motor 7f is stopped, and the mechanical connection between the opening / closing motor 7f and the drive pulley 7a by the electromagnetic clutch 7e is released (step S7). finish.

As described above, in the present embodiment, when an excessive impact is detected by the impact detection sensor 9, the overload reversal function is released to leave only the drive function in the opening direction. Even if there is some deformation in the components of the automatic opening and closing device and the operating resistance of the sliding door 2 increases, the sliding door 2 can be prevented from reversing from the opening direction to the closing direction.

Next, another example of the door opening operation process for moving the slide door 2 to the fully open position will be described with reference to the flowchart shown in FIG. In the figure, the processing (steps S1 to S9) in the case where the impact detection sensor 9 has not detected an excessive impact is the same as the above-described processing, and a description thereof will be omitted.

When the impact detection sensor 9 detects an excessive impact (step S1), the slide door controller 8 uses the inclination sensor 38 to stop the vehicle body 1 on a flat ground or to stop on a sloped ground in a downward direction. Is determined (step S21).

When the vehicle body 1 is stopped on a flat ground, the open / close motor 7f is stopped, the mechanical connection between the open / close motor 7f by the electromagnetic clutch 7e and the drive pulley 7a is released, and the automatic open / close mode is released. To set a manual opening / closing mode in which manual opening / closing operation is possible (step S2
2), end the process.

When the vehicle body 1 is stopped in the downward direction on the slope, that is, when the front part of the vehicle body 1 is stopped lower than the rear part, the opening and closing motor 7f is stopped, and the opening and closing motor by the electromagnetic clutch 7e is stopped. The mechanical connection between the drive pulley 7f and the drive pulley 7a is half-clutched, the slide door 2 is temporarily held so as not to fall and close, and the automatic open / close mode is released to set a manual open / close mode in which manual open / close operation can be performed. The setting is made (step S23), and the process is terminated.

As described above, in the present embodiment, when an excessive impact is detected by the impact detection sensor 9, the automatic opening / closing mode is canceled and the mode is switched to the manual opening / closing mode in which manual operation is possible. Even if there is some deformation in the components of the automatic opening and closing device and the operating resistance of the sliding door 2 increases, the sliding door 2 can be prevented from reversing from the opening direction to the closing direction.

[0054]

According to the first aspect of the present invention, when an excessive impact is detected by the impact detection sensor, the overload reversal function is released, so that the operating resistance of the moving sliding door is reduced. Even when the number of the doors increases, an advantageous effect that the sliding door does not reversely move can be obtained.

According to the second aspect of the present invention, when an excessive impact is detected by the impact detection sensor and the operating resistance increases while the sliding door is moving in the opening direction, the overload reversing function is released. Therefore, even when the operating resistance of the slide door increases, an advantageous effect that the slide door does not reversely move in the closing direction can be obtained.

According to the third aspect of the present invention, when an excessive impact is detected by the impact detection sensor, the automatic opening / closing mode is released and switched to the manual opening / closing mode by manual operation. Even when the operating resistance of the sliding door increases, an advantageous effect that the sliding door does not reversely move can be obtained.

According to the fourth aspect of the present invention, when an excessive impact is detected by the impact detection sensor and the automatic opening / closing mode is released and switched to the manual opening / closing mode, the clutch means is brought into a half-clutch state. Thus, the advantageous effect that the sliding door naturally falls and does not close even when the vehicle body stops on the sloped land in the downward direction can be obtained.

[Brief description of the drawings]

FIG. 1 is an external view showing an example of an automobile to which the present invention is applied.

FIG. 2 is a block diagram showing an embodiment of the present invention.

FIG. 3 is a schematic configuration diagram of a rotary encoder.

FIG. 4 is an explanatory diagram of an output of a rotary encoder.

FIG. 5 is a flowchart illustrating an operation example of the present invention.

FIG. 6 is a flowchart illustrating another operation example of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body 2 Slide door 3 Door opening 4A Upper track 4B Lower track 5 Connecting member 6 Guide track 7 Slide door drive 7a Drive pulley 7b Reverse pulley 7c Cable member 7d Moving member 7e Electromagnetic clutch 7f Open / close motor 7g Rotary encoder 8 Slide door Control device 9 Shock detection sensor 10 Pulse signal generation unit 21 Hinge arm 22 Closure motor 23 Closure control unit 24 Half switch 25 Door lock 26 Release ACT 27 Door handle 28 Door side connector 31 Battery 32 Ignition switch 33 Parking switch 34 Main switch 35 Door Open switch 36 Door close switch 37 Buzzer 38 Tilt sensor 39 Striker 40 Body side connector LD Light emitting element PD Optical device RD rotating disc SL slit

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2E052 AA09 BA02 CA06 DA01 DA03 DB01 EA15 EB01 EC01 GA00 GA08 GA10 GB00 GB06 GB12 GB18 GC02 GD02 GD09 HA01 KA01 KA06 KA13 KA15 KA16 KA27 LA09 5H571 AA03 CC02 EE02 LL04 LL03

Claims (4)

[Claims] 1. A slide door that opens and closes along a side surface of a vehicle body, a slide door drive unit that opens and closes the slide door based on a driving force of a drive source transmitted through a clutch unit, and the slide door. Moving signal generating means for generating a signal corresponding to the moving direction of the vehicle, shock detecting means for detecting that the vehicle body has received an excessive shock, and sliding door driving means for controlling the driving source and the clutch means Slide door control means for controlling the driving force transmitted to the slide door, wherein when the impact detection means detects an excessive impact, the slide door is inverted when the operation resistance of the slide door increases. An automatic opening / closing device for a sliding door for a vehicle, wherein an overload reversing function to be moved is released. 2. The overload reversing function according to claim 1, wherein the slide door control means reverses the slide door when the operation resistance increases while the slide door is moving in the opening direction. Automatic opening and closing device for a sliding door for a vehicle, wherein 3. A slide door that opens and closes along a side surface of a vehicle body, a slide door drive unit that opens and closes the slide door based on a driving force of a drive source transmitted through a clutch unit, and the slide door. Moving signal generating means for generating a signal corresponding to the moving direction of the vehicle, shock detecting means for detecting that the vehicle body has received an excessive shock, and sliding door driving means for controlling the driving source and the clutch means A sliding door control means for controlling a driving force to be transmitted to the sliding door control means. When the impact detecting means detects an excessive impact, the sliding door control means stops the driving source, and the driving source and the slide by the clutch means. An automatic opening / closing device for a sliding door for a vehicle, characterized in that a connection with a door driving means is released to enable a manual opening / closing operation. . 4. The invention according to claim 3, further comprising an inclination detecting means for detecting an inclination of the vehicle body, wherein the sliding door control means operates when the impact detecting means operates.
An automatic opening / closing apparatus for a sliding door for a vehicle, wherein when the inclination detecting means detects that the vehicle body is stopped on a slope in a downward direction, the clutch means is half-clutched and the sliding door is temporarily held. .