JP2007063893A - Control device for vehicle door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicle-door control device for preventing the door from breakage caused by a fact that, when opening the door, a door hinge is forced to be fully opened by a strong wind and damaged. <P>SOLUTION: The device is provided with a wind speed sensing means 5(5F, 5B, 5l, 5r and 5a) for detecting a wind speed around a vehicle 3, a door opening control part 7 for setting a maximum opening degree of the door 3L, 3R of the vehicle 3 according to the detecting result by the wind speed sensing means 5 and door control parts 9L, 9R each controlling opening/closing movements of the door 3L, 3R within the maximum opening degree set by the door opening control device 7. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a vehicle door control device that limits the opening degree of a door of a host vehicle according to the wind speed around the host vehicle.

  Conventionally, as a vehicle door control device for limiting the opening of a door of a vehicle such as an automobile, the distance to the obstacle around the door is measured using an obstacle sensor, and the door is controlled according to the measured distance. A device that limits the opening is known (Patent Document 1).

Japanese Patent Laid-Open No. 4-166579

  By the way, the cause of the door breakage of the vehicle when the door is opened is that the door is broken by colliding with an obstacle when the door is opened (the former), or the door hinge is broken by the strong wind when the door is opened and the door hinge is broken. There is damage (the latter).

  In the vehicle door control device described above, the door damage due to the former can be prevented, but the door damage due to the latter cannot be prevented.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a vehicle door control device that can prevent door breakage caused by a door hinge being forcibly fully opened by a strong wind when the door is opened and a door hinge is broken.

  In order to solve the above-mentioned problem, the invention according to claim 1 sets the maximum opening degree of the door of the own vehicle according to the detection result of the wind speed detecting means for detecting the wind speed around the own vehicle and the wind speed detecting means. And a door control means for restricting the opening operation of the door within the maximum opening set by the setting means.

  According to a second aspect of the present invention, when the maximum opening degree is set by the torque detecting means for detecting the torque applied to the door of the own vehicle and the setting means, the maximum torque is applied to the door of the own vehicle by the torque detecting means. And a notifying means for notifying that when it is detected that a torque to be opened beyond the opening is applied.

  According to a third aspect of the present invention, in the case where the mirror surface of the door mirror of the host vehicle is held by the holding member from the back side, the wind speed detecting means is disposed between the mirror surface and the holding member. The pressure sensor includes a pressure sensor that detects a wind pressure received by the mirror surface, and a calculation unit that calculates a wind speed of the wind received by the mirror surface from a detection value of the pressure sensor.

  According to a fourth aspect of the present invention, the wind speed detecting means is configured using a wind speed sensor disposed at a front portion and / or a rear portion of the host vehicle.

  According to the first aspect of the present invention, the maximum opening degree of the door of the own vehicle is set according to the wind speed around the own vehicle, and the opening operation of the door is restricted within the maximum opening degree. Sometimes it can be prevented that the door is forcibly fully opened by the strong wind, thereby preventing the door from being broken due to the door being fully opened by the strong wind and breaking the door hinge.

  According to the second aspect of the present invention, when it is detected that a torque to be opened beyond the maximum opening is applied to the door of the host vehicle, the fact is notified. It is possible to notify the occupant beforehand when an attempt is made to open the vehicle beyond.

  According to the third aspect of the invention, the wind pressure received by the mirror surface is detected by the pressure sensor, and the wind speed of the wind received by the mirror surface is calculated from the wind pressure by the calculation means. Thus, the wind speed of the wind flowing on the side surface of the host vehicle can be detected appropriately.

  According to the fourth aspect of the present invention, since the wind speed is detected using the wind speed sensor disposed at the front part and / or the rear part of the host vehicle, the wind speed of the wind from the front or / and the rear of the host vehicle. Can be detected appropriately.

  As shown in FIG. 1, the vehicle door control device 1 according to this embodiment includes a wind speed detecting means 5 (5F, 5B, 5l, 5r, 5a) for detecting the wind speed around the host vehicle 3 and a wind speed detecting means 5. The door opening control unit (setting means) 7 that sets the maximum opening degree of the doors 3L and 3R of the host vehicle 3 according to the detection result of the vehicle 3 and the doors 3L and 3R within the maximum opening degree set by the door opening control unit 7 In the case where the maximum opening is set by the door control unit (door control unit, torque detection unit) 9L, 9R that detects the torque applied to the doors 3L, 3R and the door open control unit 7, When it is detected by the door control units 9L and 9R that the doors 3L and 3R have been applied with a torque that attempts to open beyond the maximum opening, an alert unit (notification unit) 11 that notifies the fact by a warning sound, for example. And be prepared That.

  The wind speed detection means 5 includes a front wind speed sensor 5F that detects the wind speed of the wind from the front of the host vehicle 3, a rear wind speed sensor 5B that detects the wind speed of the wind from the rear of the host vehicle 3, and the left and right sides of the host vehicle 3 from the rear. Side surface wind speed sensors 5l, 5r, and 5a for detecting the wind speed of the wind flowing through each side surface are provided.

  The front wind speed sensor 5 </ b> F is configured by means for directly detecting the wind speed, such as a windmill, and is installed at the front portion of the host vehicle 3. The rear wind speed sensor 5 </ b> B is configured by means for directly detecting the wind speed, such as a windmill, and is installed at the rear part of the host vehicle 3. The side wind speed sensors 5l, 5r and 5a are disposed on the left door mirror 3l of the host vehicle 3 and are disposed on the right door mirror 3r of the host vehicle 3 and the right sensor 3l which detects the wind pressure received by the mirror surface of the left door mirror 3l. The pressure sensor 5r that detects the wind pressure received by the mirror surface of the door mirror 3r, and the wind speed received by the mirror surface of the left door mirror 3l and the wind speed received by the mirror surface of the right door mirror 3r are calculated from the detection values of the pressure sensors 51 and 5r. And a wind speed detection unit (calculation means) 5a. Here, the mirror surfaces (not shown) of the door mirrors 3l and 3r are respectively held on the door mirrors 3l and 3r by holding members (not shown) from the back side, and the pressure sensors 5l and 5r are Each of the door mirrors 3l and 3r is interposed between the mirror surface and the holding member.

  The door open control unit 7 combines the detection results of the wind speed detection means 5 (5F, 5B, 5l, 5r, 5a) to determine the wind speed and the wind direction around the host vehicle 3. And the maximum opening of each door 3L, 3R of the host vehicle 3 is set based on the determination result. For example, when the door opening control unit 7 determines that the wind is blowing only from the front of the host vehicle 3 in total or when it is determined that the wind is not blowing around the host vehicle 3, the doors 3L and 3R The maximum opening is not set (ie, the opening is not limited on the doors 3L and 3R), and on the other hand, wind flows from the rear to the side of the host vehicle 3 and the wind speed is relatively weak (relatively strong). Sets the maximum opening of each door 3L, 3R to be relatively large (relatively small).

  Although the door control unit 9L (9R) is omitted in the drawing, a limit mechanism that limits the opening degree of the door 3L (3R) (here, the limit mechanism includes, for example, the door 3L (3R), the vehicle body of the host vehicle 3, and the like. And a mechanism control unit that controls the restriction mechanism based on the maximum opening degree set by the door open control unit 7. With.

  The mechanism control unit of the door control unit 9L (9R) detects the opening degree of the door 3L (3R) based on the expansion / contraction state of the hydraulic cylinder, and the door open control unit 7 opens the door 3L (3R) to the maximum. When the degree is not set, the hydraulic cylinder is controlled so as to freely extend and retract so that the door 3L (3R) can be freely opened and closed manually without restriction. On the other hand, the door open control unit 7 controls the door 3L ( When the maximum opening of 3R) is set, the hydraulic cylinder is controlled so that the door 3L (3R) does not open beyond the maximum opening.

  Further, the mechanism control unit of the door control unit 9L (9R) detects, for example, an external force in the expansion / contraction direction applied to the hydraulic cylinder, detects a torque applied to the door 3L (3R) through the detection, and opens the door. When the maximum opening degree of the door 3L (3R) is set by the control unit 7, when it is detected that a torque is applied to the door 3L (3R) to open beyond the maximum opening degree, an alert is issued. To that effect, the fact that the torque to open the door 3L (3R) beyond its maximum opening has been applied is notified through the section 11.

  In the vehicle door control device 1 configured as described above, the wind is blown only from the front of the host vehicle 3 based on the detection result of the wind speed detection means 5 (5F, 5B, 5l, 5r, 5a) by the door open control unit 7. If it is determined that the wind is not blowing around the host vehicle 3 (that is, when the doors 3L and 3R are blown by the wind when the door is opened, there is no risk of being forced to open fully) The maximum opening is not set for each door 3L, 3R by the door open control unit 7 (that is, the opening of each door 3L, 3R is not limited), and therefore the doors 3L, 3R are controlled by the door control unit 9L, 9R. Is not restricted (that is, the doors 3L and 3R can be freely opened without restriction). In this case, when opening the doors 3L and 3R, the occupant can open the doors 3L and 3R without any restriction on the opening degree of the doors 3L and 3R.

  On the other hand, the wind is blowing from the rear side of the vehicle 3 based on the detection result of the wind speed detection means 5 (5F, 5B, 5l, 5r, 5a) by the door open control unit 7, and the wind speed is relatively strong (relatively weak). ) (That is, when there is a high (low) possibility that the doors 3L and 3R will be blown by the wind when the doors are opened and forcibly fully opened), the door open control unit 7 applies the maximum to each door 3L and 3R. The opening degree is set to be relatively small (relatively large), and the opening operation of the doors 3L and 3R is restricted within the maximum opening degree by the door control units 9L and 9R based on the setting. In this case, when opening the doors 3L and 3R, the occupant can open the doors 3L and 3R without any restriction on the opening of the doors 3L and 3R within the maximum opening, and the maximum opening If the doors 3L and 3R are to be opened beyond this limit, the doors 3L and 3R are restricted by the door control units 9L and 9R and cannot be opened any further.

  In this case, the torque applied to the doors 3L and 3R is detected by the door control units 9L and 9R, and if the occupant tries to open the doors 3L and 3R beyond the maximum opening, the doors 3L and 3R The applied torque is detected by the door control units 9L and 9R, and based on the detection result (the torque applied to open the doors 3L and 3R exceeding the maximum opening is applied to the doors 3L and 3R). The alert unit 11 alerts the occupant so that the doors 3L and 3R cannot be opened beyond the maximum opening.

  According to the vehicle door control device 1 configured as described above, the maximum opening of the doors 3L and 3R of the host vehicle 3 is set according to the wind speed around the host vehicle 3, and the door 3L is within the maximum opening. , 3R opening operation is restricted, so that it is possible to prevent the doors 3L, 3R from being fully opened by the strong wind at the time of opening, whereby the doors 3L, 3R are forcibly fully opened by the strong wind at the time of opening and the door hinge is broken. Can prevent the door from being damaged.

  Further, when it is detected that the door 3L, 3R of the host vehicle 3 has been applied with a torque that attempts to open beyond the maximum opening, this is notified, so that the door 3L, 3R exceeds the maximum opening. The passenger can be notified in advance when trying to open.

  Further, the wind pressure received by the mirror surfaces of the door mirrors 3l and 3r is detected by the pressure sensitive sensors 5l and 5r, and the wind speed received by the mirror surface is calculated from the wind pressure by the wind speed detection unit (calculation means) 5a. The wind speed of the wind received, that is, the wind speed of the wind flowing on the side surface of the host vehicle 3 from behind can be detected appropriately.

  Further, since the wind speed is detected using the wind speed sensors 5F and 5B disposed at the front and rear of the host vehicle 3, the wind speed from the front and rear of the host vehicle 3 can be detected appropriately.

  In this embodiment, the case where the wind speed sensors 5F and 5B are respectively installed at the front and rear portions of the host vehicle 3 has been described. However, the wind speed sensors 5F and 5B are installed only at either the front portion or the rear portion of the host vehicle 3. You may make it install.

1 is a schematic configuration diagram of a vehicle door control device according to an embodiment of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle door control apparatus 3 Own vehicle 3L, 3R Door 5 Wind speed detection means 5F Front wind speed sensor 5B Rear wind speed sensor 5l, 5r Pressure sensor 7 Door open control part 9L, 9R Door control part

Claims (4)

Wind speed detecting means for detecting the wind speed around the vehicle;
Setting means for setting the maximum opening of the door of the host vehicle according to the detection result of the wind speed detection means;
Door control means for restricting the opening operation of the door within the maximum opening set by the setting means;
A vehicle door control device comprising: Torque detecting means for detecting torque applied to the door of the host vehicle;
When the maximum opening is set by the setting means, when the torque detection means detects that the torque to be opened beyond the maximum opening is applied to the door of the host vehicle, the fact is notified. Notification means for
The vehicle door control device according to claim 1, further comprising: In the case where the mirror surface of the door mirror of the host vehicle is held by the holding member from the back side,
The wind speed detecting means is disposed between the mirror surface and the holding member and detects a wind pressure received by the mirror surface, and calculates a wind speed received by the mirror surface from a detection value of the pressure sensor. The vehicle door control device according to claim 1, wherein the vehicle door control device comprises:   The vehicle door control according to any one of claims 1 to 3, wherein the wind speed detecting means is configured by using a wind speed sensor disposed at a front portion and / or a rear portion of the host vehicle. apparatus.

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