JP2001262939A - Automatic slide door control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent stoppage of a slide door at a position in the vicinity of full open condition caused by mistake of an operator. SOLUTION: Based on operation of a slide door opening switch 62, a slide door 4 is openly operated at a fixed speed (S1), and then it is determined whether the door 4 has reached an area just before a full open condition by the fact that there is a specified number of pulses or more in a first pulse output or a second pulse output and the width of pulse exceeds a specified value (S2). In the case that the door has reached the area just before the full open condition 92, movement of step is made to a divided step (S5), not to a step that determines operation of the switch 62 (S3), so as to prevent operation of a step (S4) that proceeds stoppage of the door 4, based on the determination result.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an automatic sliding door control device for controlling opening and closing of a sliding door.

[0002]

2. Description of the Related Art A conventional automatic sliding door control device includes:
During the automatic opening operation, when the sliding door reaches the fully open position,
The motor is stopped and the clutch is disengaged (clutch is turned off) to reduce the operating force of the slide door, facilitating the subsequent manual closing operation. At this time, the full open position is held by the fully open checker.

On the other hand, if the user releases the automatic opening operation switch during half-opening during the automatic opening operation, the slide door is stopped at that position, and the drive motor of the slide door is electrically braked for a predetermined time. An automatic slide control device that releases the brake after a lapse of time has been known (see Japanese Utility Model Laid-Open No. 4-62883). Thereby, even when the slide door is stopped at the half-open position, the manual closing operation is facilitated.

[0004]

However, in this automatic sliding door control device, when the sliding door reaches the position near the full opening, the operator mistakenly recognizes that the sliding door has reached the full opening position and stops the operation of the switch. Immediately after the manual operation becomes difficult. Further, when the vehicle is stopped on a steep slope, the slide door may move by its own weight after the brake is released. In this case, the operator who mistakenly recognizes that the slide door has moved to the fully open position feels strange.

In order to solve this problem, when the hand is released from the automatic opening operation switch, the slide door is stopped and the clutch is held in the connected state to prevent the slide door from moving on its own weight on a slope. Is known,
In this case as well, if the slide door is stopped by misidentification in the position near the fully opened position, the door operation becomes heavy, and the subsequent manual opening and closing operation becomes difficult, even though the slide door is moved to the fully opened position. Receive. If the user notices that the slide door has not reached the fully open position, the user must operate the switch again to move the slide door to the fully open position, which is inconvenient.

The present invention has been made in view of such a conventional problem, and provides an automatic sliding door control device capable of preventing a sliding door from being stopped near a fully opened position due to an erroneous recognition by an operator. The purpose is to do so.

[0007]

According to the present invention, there is provided an automatic sliding door control device for opening a sliding door in accordance with an operation state of a switch. When the slide door arrives in the area before the full opening from the position near the full opening set to the closing side than the full opening position to the full opening position,
There is provided an avoiding means for avoiding the stop processing of the slide door based on the change of the operation state.

That is, when the sliding door opened by the switch operation reaches the fully open area from the position near the full opening to the fully opening position, the operation of the sliding door based on the change in the operating state due to the stop of the switch operation is stopped. The stop process is avoided by the avoidance means, and the sliding door is
Drive is continued to the fully open position where the clutch is disconnected. This prevents the slide door from being stopped in the area before the full opening, so that the slide door is stopped while the clutch is in the engaged state in the area before the full opening where the switch operator easily mistakes it as the fully open position. This eliminates the problem that the manual operation of closing the slide door cannot be performed due to the heavy operation force of the slide door.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a view showing a vehicle 1 equipped with an automatic sliding door control device according to the present embodiment. The vehicle 1 is provided with an entrance / exit opening 2 and a step 3 on a side portion thereof. A slide door 4 that opens and closes the opening / closing opening 2 is provided.

The upper end of the slide door 4 on the front side of the vehicle 1 is supported by an upper roller 11 that moves along the upper edge of the entry / exit opening 2, and the lower end extends along the side surface 12 of the step 3. Supported by the lower roller 13 that moves. A central portion on the rear side of the vehicle is supported by a rear roller 14 that moves in the vehicle front-rear direction, and is configured to be able to move from the fully open position where the entrance / exit opening 2 is fully opened to the fully closed position where the entrance / exit opening 2 is fully closed. Have been.

As shown in FIG. 2, a roller 81 of the upper roller 11 or the rear roller 14 is movably supported in a rail 82 provided on the vehicle body. 4, a fully open position 84 is defined. The rail 8
2, a full-open checker 85 is provided at a position on the open side of the full-open position 84 so as to be able to protrude and retract into the rail 82 by a resilient force of a leaf spring or the like, in a state protruding inward. When the roller 81 passes over the full-open checker 85, the roller 81 is held closer to the full-open position 84 than the full-open checker 85, so that the slide door 4 can be prevented from moving in the closing direction.

As shown in FIG. 1, a closure unit 15 is provided in the slide door 4, and a power supply to the closure unit 15 is provided at a front edge of the slide door 4. Receiving terminal 16 for receiving
Is provided. The pillar 17 that forms the front edge of the entrance 2 for the vehicle is provided with the receiving terminal 1.
A pair of supply terminals 18 is provided, and when the slide door 4 is moved to the fully closed position, the supply terminals 18 are connected to the reception terminals 16 so that power can be supplied to the closure unit 15. ing. The sliding door 4 has an upper portion of the lower roller 13 fixed to a pulling member 19 extending from the side surface 12 of the step 3, so that the sliding door 4 is pulled by the pulling member 19 and moved in the vehicle longitudinal direction. Is configured.

The moving mechanism 2 for moving the slide door 4 via the traction member 19 as shown by a broken line in FIG.
1 is provided. The moving mechanism 21 includes a support member 22 that supports an end of the traction member 19,
, A first and a second pulleys 24 and 25 for movably supporting the belt 23 along the side surface 12 of the step 3, and a belt 23 provided at the corner 26 of the step 3. The driving pulley 27 moves the belt 23.

The driving pulley 27 is axially connected to a final reduction gear 29d.
9d is meshed with the drive pulley side transmission gear 29c. Further, the moving mechanism 21 is provided with a drive motor 31, which transmits the drive force to the motor side transmission gear 29b via the worm gear reducer 30 and the intermediate gear 29a. The motor-side transmission gear 2
9b and the drive pulley-side transmission gear 29c are provided above and below the electromagnetic clutch 28.
Is intermittent between the motor side transmission gear 29b and the drive pulley side transmission gear 29c. An installation place of the slide door rotation sensor 53 is set near the drive pulley 27, and is driven by the electromagnetic clutch 28 so that the slide door position and the moving speed can be detected even when the slide door 4 is manually opened and closed. It is provided on the pulley 27 side.
The slide door rotation sensor 53 uses a known contact type two-phase encoder, but may be an optical sensor capable of detecting normal rotation and reverse rotation.

Accordingly, when the electromagnetic clutch 28 is controlled to be turned on, a joined state is formed in which the drive motor 31 and the drive pulley 27 are joined, and the driving force of the drive motor 31 is reduced. When the driving motor 31 is stopped, the sliding door 4 is stopped when the vehicle stops on a steep slope due to the resistance of the driving motor 31, the worm gear reducer 30, the intermediate gear 29b, and the motor-side transmission gear 29b.
Is prevented from moving due to its own weight. On the other hand, when the off control is performed, a cut state is formed in which the drive motor 31 side and the drive pulley 27 side are separated, and the slide door 4 can be manually opened and closed. Then, the drive motor 31 and the electromagnetic clutch 28
Is connected to an automatic sliding door unit 32 installed in the vehicle 1 as shown in FIG.

The automatic sliding door unit 32
It is mainly composed of a microcomputer M (microcomputer) as control means having a built-in ROM and RAM,
Through a circuit breaker 41, it is connected to a battery 42 as a drive power supply for driving the drive motor 31 described above, and is connected to an electric power supply 43 for driving a microcomputer in which voltage is stabilized. An ignition switch 44 is connected to the automatic sliding door unit 32, and a select lever is provided between the automatic slide door unit 32 and the ignition switch 44.
A shift P switch 45 that is turned on when the range is selected and a stop lamp switch 46 that is turned on when the foot brake is operated are connected. Further, a main switch 47 is connected to the automatic sliding door unit 32.
Is operated, the slide door 4 can be driven.

The automatic sliding door unit 3
2 includes a speed sensor 51 for detecting a vehicle speed and a buzzer 5.
2 and the slide door rotation sensor 53 are connected. The slide door rotation sensor 5
3 comprises the aforementioned encoder, which comprises a first pulse output 54 and a second pulse output 55. The pulse signals output from the two pulse outputs 54 and 55 are configured such that the period becomes shorter as the moving speed of the sliding door 4 increases, and the pulse signals have phases corresponding to the moving direction of the sliding door 4. Is configured to be output. The sliding door rotation sensor 53 detects the speed, position, and the like of the sliding door 4 from the rotation speed of the encoder, and detects an inversion detection output 56 of the sliding door 4 and a ground that matches a voltage with the microcomputer M. A GND line 57 is provided and connected to the automatic sliding door unit 32.

The automatic sliding door unit 32 has a parking switch 61 which is turned on when a parking brake is operated and a slide door open switch 62 which is operated when the sliding door 4 is opened.
And a slide door close switch 63 that is operated when the slide door 4 is closed, and a slide door switch 64 that is turned off when the slide door 4 is fully closed are connected. The first and second supply outputs 65 and 66 for supply are connected to the supply terminal 1.
8 is connected.

The control unit 71 of the closure unit 15, which receives power supply from these supply terminals 18, drives a latch (not shown) on the slide door 4 side locked by a striker provided on the vehicle body to lock (not shown). A latch release actuator 72 for releasing the state, a half switch 73 that operates by detecting a half lock state immediately before the latch is locked by the striker, and a neutral switch 74 that detects and operates a neutral state of the latch, A full lock switch 75 that operates by detecting a state in which the latch is locked by the striker is connected. The closure unit 15 also has a sliding door closure motor 7 that pulls the sliding door 4 in the half-lock state to the full-lock state.
6 are connected.

In the present embodiment having the above-described configuration, the operation when the slide door open switch 62 is operated and the slide door 4 is opened will be described with reference to the flowchart shown in FIG.

That is, when the slide door open switch 62 is operated, the duty ratio of the duty output to the drive motor 31 is controlled to open the slide door 4 at a constant speed (S1), and the slide door is rotated. Sensor 53
From the total number of pulses from the first or second pulse outputs 54 and 55, the sliding door 4 is fully opened as shown in FIG. 2 (the position of the sliding door 4 is shown by the position of the roller 81). Fully-open proximity position 9 set on the closed side from position 84
It is determined whether or not the vehicle has reached the area 92 before the full opening from 1 to the full opening position 84 (S2). At this time, if the slide door 4 has not reached the area 92 before the full opening, it is determined whether or not the operation of the slide door open switch 62 is continued (S3). Returns to the step S1 to continue the opening operation. If the opening operation is not continued, the drive motor 31 is stopped and the electromagnetic clutch 28 is maintained in the connected state to perform the stop processing of the slide door 4 (S4). . This allows
Since the sliding door 4 is kept in the half-open position and stopped in the connected state of the electromagnetic clutch 28, it is possible to prevent the sliding door 4 from moving by its own weight when the vehicle stops on a steep slope.

If it is determined in step S2 that the slide door 4 has reached the area 92 before the full opening, the process branches to step S5. Accordingly, the operation of the slide door open switch 62 is determined (S
The transition to 3) is prevented, and the stop processing of the slide door 4 based on the determination result is avoided.

In step S5, when the number of pulses from the first or second pulse output 54, 55 of the slide door rotation sensor 53 exceeds a predetermined value and the pulse width exceeds a predetermined value, the slide door 4 is fully opened. It is determined whether or not the position 84 has been reached.
The process branches to step S1 to continue the opening operation. If the full-open position 84 has been reached, the drive motor 31 is stopped (S6), and the roller 81 is fully opened.
5, the driving motor 31 has a low output that is reduced to a level that does not exceed 5 and has a low output with a duty ratio of 40%.
Is driven (S7) to perform a low output closing operation of moving the opened sliding door 4 in the closing direction at a low output and at a low speed (see FIGS. 6A to 6B). After the low output closing operation of the slide door 4 is started, the roller 81 is closed.
It is determined whether or not a predetermined time that is expected to approach the full-open checker 85 has passed (S8), and the first or second pulse output 54, 55
It is determined whether a predetermined number of pulses expected to approach the full-open checker 85 has been input (S9). If the predetermined time has not elapsed and the predetermined number of pulses has not been input, the process proceeds to step S1. Branch to continue the low output closing operation. On the other hand, when the predetermined time has elapsed or the predetermined number of pulses have been input, the drive motor 31 is stopped and the electromagnetic clutch 28 is disconnected, and the process ends. At this time, the roller 81 is fully opened checker 8
The slide door 4 is prevented from inadvertently moving in the closing direction by being held in contact with or close to the fully open checker 85 from the position 5 to the fully open position 84 side.

As described above, when the slide door 4 opened by the switch operation reaches the area 92 before the full opening, it is possible to avoid the stop processing (S3, S4) of the slide door 4 based on the switch operation. Therefore, it is possible to prevent the slide door 4 from stopping in the area 92 before the full opening. Thus, the slide door 4 that has reached the fully open area 92 can be moved to the fully open position 84 where the fully open checker 85 prevents the closing movement.

Therefore, when the slide door 4 reaches the fully opened position 91, the slide door 4 is erroneously recognized as having reached the fully opened position 84.
Even if the switch operation is stopped, the electromagnetic clutch 2
The slide door 4 can be stopped at the fully open position 84 where the movement of the slide door 4 is not restricted by the connection state of the slide door 8. Accordingly, when it is detected that the closing operation by the manual operation after the stop and the closing movement of the slide door 4 by the predetermined amount based on the manual closing operation are performed, the subsequent closing movement is performed by the drive motor 3.
By the drive of 1, the assist closing operation for automatically closing the slide door 4 is facilitated, and the convenience is improved.

In this embodiment, the first or second pulse output 5 of the sliding door rotation sensor 53 is used.
When the pulse number exceeds a predetermined value and the pulse width exceeds a predetermined value, the slide door 4 is moved to the fully open position 8.
4 has been described by way of example, but the present invention is not limited to this. For example, the determination may be made based on an increase in the load on the drive motor 31. A switch for detecting the position may be newly provided.

[0027]

As described above, in the automatic sliding door control device according to the present invention, it is possible to prevent the sliding door from stopping in the area just before the full opening from the position near the full opening to the fully opening position. Thus, the slide door that has reached the fully open area can be moved to the fully open position where the closing movement is prevented by the fully open checker.

Therefore, when the slide door reaches the fully opened position when the slide door reaches the fully opened position and the switch is stopped, the slide door is moved by the connection of the motor brake or the clutch. Can be stopped at the fully open position where the is not restricted. Thereby, the manual closing operation after the stop and the assist closing operation based on the manual closing operation are facilitated, and the convenience is improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a movement position of a slide door according to the embodiment by a position of a roller.

FIG. 3 is a view shown by an arrow A in FIG. 1;

FIG. 4 is a block diagram according to the embodiment;

FIG. 5 is a flowchart showing an operation of the embodiment.

FIG. 6A is an explanatory diagram illustrating a position of a roller when a slide door reaches a fully open position, and FIG. 6B is an explanatory diagram illustrating a state in which the roller is moved to a closing side.

[Explanation of symbols]

 4 Sliding Door 28 Electromagnetic Clutch 31 Drive Motor 32 Auto Sliding Door Unit 84 Fully Open Position 91 Nearly Fully Opened Position 92 Fully Open Area M Microcomputer

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2E052 AA09 BA02 CA06 DA01 DA04 DA08 DB01 DB04 DB08 EA16 EB01 EC01 GA03 GA06 GA08 GA10 GB12 GB13 GB15 GC03 GC05 GC10 GD03 GD09 HA01 KA01 KA02 KA13 KA15 KA16 LA09

Claims (1)

[Claims] 1. An automatic sliding door control device for opening a sliding door in accordance with an operation state of a switch, wherein the sliding door is located before a fully open position from a position near a fully open position set to a close side from a fully open position to the fully open position. An automatic sliding door control device comprising an avoiding means for avoiding a stop process of the sliding door based on a change in the operation state when the vehicle arrives in the area.