JP7239884B2 - Vehicle door opening and closing device - Google Patents

Description

The present invention relates to a vehicle door opening/closing device.

2. Description of the Related Art Conventionally, there has been known a door opening/closing device that is provided so as to be able to open and close an opening communicating between the inside and outside of a vehicle (see, for example, Patent Document 1). In the opening/closing device for a vehicle opening/closing member disclosed in Patent Document 1, a door supported to be vertically openable/closable with respect to a vehicle body is opened/closed by a drive means. The driving device includes braking means for stopping and holding the door at an arbitrary intermediate position between the fully open position and the fully closed position, an operation switch that can be operated multiple times, and based on the number of operations of the operation switch, A control device is provided for discriminating operation contents and controlling to selectively operate the driving means and the braking means. According to the above opening/closing device, the door can be opened/closed and stopped at the intermediate position simply by operating the operation switch.

JP-A-2001-132326

By the way, as described above, in the device described in Patent Document 1, for example, when the door is opened, the door can be stopped at an intermediate position by operating the operation switch. However, in a situation where there are obstacles such as people and walls around the door outside the vehicle, if the user forgets to operate the operation switch to stop the door at an intermediate position, the door will open. The door may collide with an obstacle. Therefore, there is still room for improvement in putting the above device into practical use.

SUMMARY OF THE INVENTION An object of the present invention is to provide a vehicle door opening/closing device capable of suppressing collision of an opening/closing door with an obstacle.

A vehicle door opening/closing device for achieving the above object comprises a hinge-type door capable of opening and closing an opening communicating between the inside and outside of a vehicle, a driving unit for opening and closing the door, and a command signal for opening and closing the door. a control unit that controls the driving unit based on an input; and a detection unit that detects an obstacle within a predetermined area including the trajectory of the door between the fully closed position and the fully open position of the door, The control section prohibits the drive section from driving the door when the obstacle is detected by the detection section.

According to this configuration, when an obstacle exists within a predetermined area including the trajectory of the door between the fully closed position and the fully opened position of the door, this is detected by the detection section, and the opening and closing of the door is performed by the control section. It is forbidden. Therefore, it is possible to prevent the door that opens and closes from colliding with an obstacle.

In the vehicle door opening/closing device described above, it is preferable that the door is a back door capable of opening and closing the opening provided on the rear surface of the vehicle.
It is difficult for an occupant sitting in the front seat of the vehicle to check the surroundings of the back door.

In this respect, according to the above configuration, even the passengers in the vehicle can safely open and close the back door.
In the vehicle door opening/closing device described above, it is preferable that an operation switch for outputting the command signal to the control unit by being touch-operated is provided on a rear side surface of the vehicle.

According to this configuration, the operation switch is arranged in a portion of the outer surface of the vehicle where the user does not enter the predetermined area and in a portion near the back door. As a result, the user can operate the operation switch while visually confirming the situation around the back door.

In the vehicle door opening/closing device described above, it is preferable that the control unit stops driving the door by the driving unit when the operation switch is operated during the opening/closing operation of the door.

According to this configuration, the door is stopped at an intermediate position between the fully closed position and the fully open position by operating the operation switch during the opening and closing operation of the door. Thereby, the user can adjust the opening degree of the door to a desired opening degree by operating the operation switch at a desired timing.

In the vehicle door opening/closing device, the operation switch includes an open switch that outputs a command signal for opening the door, and a close switch that is provided separately from the open switch and outputs a command signal for closing the door. and preferably include

According to this configuration, since the open switch and the close switch are provided separately, the door can be easily opened and closed.
In the vehicle door opening/closing device described above, it is preferable that the open switch is provided closer to the opening direction of the door than the close switch.

According to this configuration, the user can intuitively grasp the function of the operation switch to be operated based on the relationship between the open switch, the close switch, and the opening/closing direction of the door. Therefore, the operability of the operation switch can be improved.

In the vehicle door opening/closing device described above, the open switch may have a shape oriented in the opening direction of the door, and the close switch may have a shape oriented in the closing direction of the door. preferable.

According to this configuration, the user intuitively grasps the function of the operation switch that he/she intends to operate based on the corresponding relationship between the orientation directions of the open switch and the close switch and the opening direction and closing direction of the door. can. Therefore, the operability of the operation switch can be improved.

ADVANTAGE OF THE INVENTION According to this invention, it can suppress that the door which opens and closes collides with an obstacle.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a vehicle door opening/closing device from a diagonal rear side of a vehicle provided with the same opening/closing device. The front view which expands and shows the operation switch of the same embodiment. FIG. 4A is a side view of the vehicle, and FIG. 4B is a plan view of the vehicle, showing the trajectory between the fully closed position and the fully opened position of the back door of the same embodiment; FIG. 2 is a block diagram showing an electrical configuration centered on a control unit of the same embodiment; 4 is a flowchart showing the processing procedure of opening control executed by the control unit of the embodiment; FIG. 11 is a side view for explaining the action when the operation switch is operated during the opening/closing operation of the back door of the same embodiment;

An embodiment will be described below with reference to FIGS. 1 to 6. FIG. In this embodiment, the present invention is embodied as an opening/closing device for a back door of a vehicle.
First, the basic configuration of the vehicle 10 will be described with reference to FIGS. 1 to 3. FIG.

As shown in FIGS. 1 and 2, the back surface 10a of the vehicle 10 is provided with an opening 11 that communicates between the inside and outside of the vehicle 10. As shown in FIG. The vehicle 10 of the present embodiment is a so-called minivan, and the opening 11 is provided on substantially the entire rear surface 10a. The vehicle 10 is provided with a hinged back door 20 capable of opening and closing the opening 11 .

As shown in FIGS. 3A and 3B, the back door 20 is pivotably connected via a hinge (not shown) provided at the upper edge of the opening 11 . The back door 20 swings between a fully closed position C along the back surface 10 a of the vehicle 10 and a fully open position O along the roof of the vehicle 10 .

A rear window glass 12 is provided above the back door 20 . A garnish 13 that protrudes rearward is provided on the upper end of the rear window glass 12 . The garnish 13 is provided with a camera 30 that captures the space behind the vehicle 10 . The camera 30 can photograph a predetermined area A including the trajectory of the back door 20 between the fully closed position C and the fully open position O. When an obstacle exists within the predetermined area A, The obstacle can be detected. In addition, in this embodiment, the camera 30 corresponds to the detection unit according to the present invention.

As shown in FIGS. 1 and 2 , an operation switch 60 for operating the back door 20 is provided on the rear side surface 10 b of the vehicle 10 . In this embodiment, the operation switches 60 are provided on the left and right rear side surfaces 10b of the vehicle 10, but the operation switches 60 may be provided only on one of the rear side surfaces 10b. The operation switch 60 includes an open switch 61 that outputs a command signal to open the back door 20 , a lock switch 63 that outputs a command signal to close and lock the back door 20 , and a command signal to close the back door 20 . It includes an output closed switch 62 . An open switch 61, a lock switch 63, and a close switch 62 are arranged in this order from the rear side to the front side in the longitudinal direction of the vehicle. The open switch 61, the lock switch 63, and the close switch 62 of this embodiment are, for example, push-button switches.

The open switch 61 has a shape oriented in the opening direction of the back door 20 . The open switch 61 is, for example, an isosceles triangle when viewed from the front, and is arranged so that its vertex 61a points backward.

The close switch 62 has a shape directed toward the closing direction of the back door 20 . The close switch 62 is, for example, an isosceles triangle when viewed from the front, and is arranged so that its vertex 62a points forward.

The lock switch 63 has a square shape when viewed from the front.
As shown in FIG. 4 , the vehicle 10 is provided with a drive unit 40 that drives the back door 20 to open and close.

Further, the vehicle 10 is provided with a control section 50 that controls the driving section 40 based on the input of various command signals.
The drive unit 40 is configured by a motor (not shown) and the like, and is electrically connected to the control unit 50 .

The control unit 50 is electrically connected to the camera 30, the operation switch 60, the courtesy switch 70 for detecting the open/close state of the back door 20, and the like.
When the open switch 61 is pressed for a long time while the back door 20 is in the fully closed position C, that is, when a command signal is input from the open switch 61 for a predetermined time (for example, several seconds) or longer, the controller 50 The drive unit 40 is controlled to open the back door 20 . At this time, if the back door 20 is locked, the control unit 50 drives the lock motor (not shown) of the back door 20 to unlock the back door 20, and then opens the back door 20. The drive unit 40 is controlled accordingly.

When the close switch 62 is pressed for a long time while the back door 20 is in the fully open position O, that is, when a command signal is input from the close switch 62 for a predetermined period of time (for example, several seconds) or longer, the controller 50 opens the back door. The drive unit 40 is controlled to close the door 20 .

When the lock switch 63 is pressed for a long time while the back door 20 is in the fully open position O, that is, when a command signal is input from the lock switch 63 for a predetermined time (for example, several seconds) or longer, the controller 50 opens the back door. The drive unit 40 is controlled to close the door 20, and the back door 20 is locked after the back door 20 is fully closed.

Next, description will be made with reference to FIG. When the open switch 61 or the close switch 62 is pressed for a short time while the back door 20 is being opened or closed, the control unit 50 controls the opening switch 61 or the close switch 62 for less than a predetermined time (for example, several seconds). When the command signal is input, the drive unit 40 is controlled to stop the back door 20 at the intermediate position M between the fully closed position C and the fully open position O.

When the back door 20 is in the intermediate position M and the open switch 61 is pressed for a long time, the control section 50 controls the drive section 40 to open the back door 20 .
Further, when the back door 20 is in the intermediate position M and the close switch 62 is pressed for a long time, the control section 50 controls the driving section 40 to close the back door 20 .

By the way, when the user forgets to operate the operation switch 60 for stopping the back door 20 at the intermediate position M in a situation where there are obstacles such as people and walls around the back door 20 outside the vehicle. For example, the opening back door 20 may collide with an obstacle.

In contrast, in the present embodiment, the camera 30 detects obstacles within a predetermined area A including the trajectory of the back door 20 between the fully closed position C and the fully open position O of the back door 20, and the camera When an obstacle is detected by the controller 30 , the driving of the back door 20 by the driving unit 40 is prohibited through the control unit 50 .

Next, with reference to FIG. 5, a processing procedure for controlling the opening of the back door 20 executed by the control unit 50 will be described. This series of processes is executed when the back door 20 is at the fully closed position C and the open switch 61 is pressed for a long time.

As shown in FIG. 5, the control unit 50 first determines whether or not there is an obstacle within a predetermined area A based on the image captured by the camera 30 through well-known image processing (step S1).

Here, when the control unit 50 determines that there is an obstacle in the area A (step S1: YES), the control unit 50 determines that the back door 20 may collide with the obstacle. is prohibited from opening (step S2). Then, this series of processing ends.

On the other hand, if the control unit 50 does not determine that there is an obstacle in the area A (step S1: NO), the control unit 50 assumes that the back door 20 will not collide with the obstacle, and opens the back door 20. Therefore, the back door 20 is driven by the drive unit 40 (step 3). Then, this series of processing ends. The driving of the back door 20 by the drive unit 40 continues until the back door 20 reaches the fully open position O unless the operation switch 60 is additionally operated.

Next, the effects of this embodiment will be described.
(1) The vehicle door opening/closing device includes a hinge-type back door 20 capable of opening and closing an opening 11 communicating between the inside and outside of the vehicle 10 . The vehicle door opening/closing device includes a drive unit 40 that drives the back door 20 to open and close, a control unit 50 that controls the drive unit 40 based on an input of a command signal for opening and closing the back door 20, and a back door 20 that is fully closed. A camera 30 for detecting obstacles within a predetermined area A including the trajectory of the back door 20 between the position C and the fully open position O is provided. The control unit 50 prohibits the drive unit 40 from driving the back door 20 when an obstacle is detected by the camera 30 .

According to such a configuration, when an obstacle exists within the predetermined area A including the trajectory of the back door 20 between the fully closed position C and the fully opened position O of the back door 20, the camera 30 detects this, and Opening and closing of the back door 20 is prohibited by the controller 50 . Therefore, it is possible to prevent the back door 20 that opens and closes from colliding with an obstacle.

Further, it is difficult for a passenger sitting in a front seat or the like in the vehicle to check the situation around the back door 20 . In this respect, according to the above configuration, even the passengers in the vehicle can open and close the back door 20 without anxiety.

(2) An operation switch 60 is provided on the rear side surface 10b of the vehicle 10 to output a command signal to the control unit 50 by being touch-operated.
According to such a configuration, the operation switch 60 is arranged in a portion of the outer surface of the vehicle 10 where the user does not enter the area A and near the back door 20 . Thereby, the user can operate the operation switch 60 while visually confirming the situation around the back door 20 .

(3) The control unit 50 stops driving the back door 20 by the driving unit 40 when the operation switch 60 is operated during the opening/closing operation of the back door 20 .
According to such a configuration, the operation switch 60 is operated to stop the back door 20 at the intermediate position M between the fully closed position C and the fully open position O during the opening/closing operation of the back door 20 . Accordingly, the user can adjust the opening degree of the back door 20 to a desired opening degree by operating the operation switch 60 at desired timing.

(4) The operation switch 60 includes an open switch 61 that outputs a command signal for opening the back door 20, and a close switch 62 that is provided separately from the open switch 61 and outputs a command signal for closing the back door 20. include.

According to such a configuration, since the open switch 61 and the close switch 62 are separately provided, the back door 20 can be easily opened and closed.
(5) The open switch 61 is provided closer to the opening direction of the back door 20 than the close switch 62 is.

With such a configuration, the user can intuitively grasp the function of the operation switch 60 to be operated based on the relationship between the open switch 61 , the close switch 62 , and the opening/closing direction of the back door 20 . Therefore, the operability of the operation switch 60 can be improved.

(6) The open switch 61 has a shape directed to the opening direction of the back door 20 , and the close switch 62 has a shape directed to the closing direction of the back door 20 .
According to such a configuration, the user can select the function of the operation switch 60 that he/she intends to operate based on the correspondence relationship between the orientation directions of the open switch 61 and the close switch 62 and the opening direction and closing direction of the back door 20. can be grasped intuitively. Therefore, the operability of the operation switch 60 can be improved.

<Change example>
For example, the above-described embodiment can be modified and implemented as follows. This embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.

- Each switch 61, 62, 63 which comprises the operation switch 60 can also be made into square shape or circular shape, for example.
- The arrangement of the switches 61, 62, and 63 constituting the operation switch 60 can be changed. For example, the open switch 61 may be provided closer to the closing direction of the back door 20 than the close switch 62 , that is, closer to the front of the vehicle 10 .

- The operation switch 60 is not limited to having the lock switch 63 or the close switch 62, and may be any switch having at least the open switch 61.
The control unit 50 may be configured not to stop driving the back door 20 by the driving unit 40 while the back door 20 is being opened and closed.

- The operation switch 60 is not limited to a push button type switch. In short, any switch that is provided on the rear side of the vehicle 10 and that outputs a command signal to the control unit by being touch-operated can be used, and can also be embodied as a capacitive switch.

- In place of or in addition to the operation switch 60, an operation switch for outputting a command signal for opening and closing the back door 20 may be provided inside the vehicle. Also, such an operation switch can be provided on a remote control key.

- The present invention is not limited to being applied when the back door 20 is opened, but can be applied when the back door 20 is closed.
- The detection unit is not limited to the camera 30 that captures only the rear of the vehicle, and may be a PVM (Panoramic view monitor) capable of capturing the surroundings of the vehicle 10 . Other sensors such as millimeter wave radar and LiDAR (Laser Imaging Detection and Ranging) can also be used as the detector. At that time, even during the opening/closing operation of the door, the driving of the door may be appropriately stopped according to the detection result of the detection unit.

- The application target of the present invention is not limited to the opening/closing device of the back door 20 . In addition, the present invention can also be applied to, for example, a hinge-type side door opening/closing device.

DESCRIPTION OF SYMBOLS 10... Vehicle, 10a... Back surface, 10b... Rear side surface, 11... Opening, 12... Rear window glass, 13... Garnish, 20... Back door, 30... Camera (detection part), 40... Drive part, 50... Control part, 60... operation switch, 61... open switch, 62... close switch, 61a, 62a... vertex, 63... lock switch, 70... courtesy switch.

Claims (3)

a hinge- type back door that is provided on the rear surface of the vehicle and that can open and close an opening that communicates with the inside and outside of the vehicle;
a driving unit for opening and closing the back door;
a control unit that controls the driving unit based on an input of a command signal for opening and closing the back door;
a detection unit that detects an obstacle within a predetermined area including the trajectory of the back door between the fully closed position and the fully opened position of the back door;
The control unit prohibits the drive unit from driving the back door when the obstacle is detected by the detection unit,
An operation switch that outputs the command signal to the control unit by being touch-operated is provided on the rear side surface of the vehicle,
The operation switch includes an open switch that outputs a command signal for opening the back door, and a close switch that is provided separately from the open switch and outputs a command signal for closing the back door,
The open switch has an outer shape oriented in the opening direction of the back door,
The close switch has an outer shape oriented in the closing direction of the back door,
A vehicle door opening and closing device. The control unit stops driving the back door by the driving unit when the operation switch is operated during the opening and closing operation of the back door.
The vehicle door opening/closing device according to claim 1 . The open switch is provided on the opening direction side of the back door with respect to the close switch,
The vehicle door opening/closing device according to claim 1 or 2.

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