JP7010686B2 - Vehicle door control device - Google Patents

Description

The present invention relates to a vehicle door control device.

There is known a door opening / closing device that can automatically open and close a door without the user touching the door handle. In the door opening / closing device disclosed in Patent Document 1, the movement of the user for driving the opening / closing of the door is detected by the capacitance sensor arranged below the back door of the vehicle body.

Japanese Unexamined Patent Publication No. 2015-21238

In the door opening / closing device of Patent Document 1, the user needs to bring the remaining foot into contact with the capacitance sensor in an unstable one-leg standing posture when driving the door, so that the user's stability and operation I have a bad sex.

An object of the present invention is to provide a vehicle door control device capable of improving the stability and operability of a user when driving a door.

One aspect of the present invention is determined by the detected object by a detection unit that detects an object to be detected located within a predetermined detection range around the door and a change in the distance obtained from the detection result of the detection unit. When the movement is detected, a control unit for controlling the electric device of the door is provided, and the detection unit is spaced from the door so as to form a detection range extending horizontally from the detection unit. Two or more operation sections are set in the detection range according to the distance from the detection unit, and the predetermined movement detected by the control unit is described in the above 2 Provided is a vehicle door control device including movement between the above operating sections.
In addition, another aspect of the present invention is a detection unit that detects an object to be detected located within a predetermined detection range around the door , and a change in the distance obtained from the detection result of the detection unit. When the movement determined by the above is detected, the door is provided with a control unit for controlling the electric device of the door, the door is a side door arranged on the side surface of the vehicle body, and the detection unit is horizontal from the detection unit. The side doors are arranged at the bottom of the vehicle body at intervals in the vehicle width direction with respect to the side doors so as to form the detection range extending along the direction, and the side doors face the vehicle width direction of the vehicle body. The detection unit includes a first side door arranged on one side of the pair of side surfaces and a second side door arranged on the other side, and the detection unit is arranged on the other side of the pair of side surfaces. A vehicle including a first detection unit that detects the object to be detected around the first side door and a second detection unit that is arranged on one side and detects the object to be detected around the second side door. A door control device is provided.

In the vehicle door control device of the present invention, since the detection units are arranged at intervals with respect to the door, the distance required for detection can be secured even when the space around the door is small. Further, since the control unit detects the movement determined by the user by the change in the distance obtained from the detection result of the detection unit, the user does not need to be in an unstable one-legged posture. Therefore, the stability and operability of the user when driving the door can be improved.

The rear view of the vehicle which used the vehicle door control device which concerns on 1st Embodiment of this invention. The schematic bottom view of the vehicle of FIG. The side view of the vehicle of FIG. The block diagram which shows the structure of the vehicle door control device of 1st Embodiment. The perspective view which shows the structure of the detection part. The flowchart which shows the door control of 1st Embodiment by a control part. FIG. 6A is a continuation of the flowchart. The rear view of the vehicle using the vehicle door control device which concerns on 2nd Embodiment. The schematic bottom view of the vehicle of FIG. The block diagram which shows the structure of the vehicle door control device of 2nd Embodiment. The perspective view which shows the structure of the detection part. The flowchart which shows the door control of 2nd Embodiment by a control part. FIG. 11A is a continuation of the flowchart. Schematic bottom view showing a modified example of the arrangement of the vehicle door control device on the vehicle.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(First Embodiment)
1 to 4 show a vehicle door control device 10 according to a first embodiment of the present invention mounted on a vehicle 1. As shown in FIGS. 1 to 3, the door control device 10 detects a movement determined by the user outside the side door (hereinafter, simply abbreviated as a door) 5 of the vehicle 1 to detect the door. It controls the door drive unit 21 which is the electric device of 5. In the following description, the vehicle length direction of the vehicle 1 is referred to as the X direction, the vehicle width direction of the vehicle 1 is referred to as the Y direction, and the vehicle height direction of the vehicle 1 is referred to as the Z direction.

(Overview of door control device)
As shown in FIG. 4, the door control device 10 includes a detection sensor (detection unit) 12, a door drive unit 21, an LED (display unit) 22, a collation means 25, and a control unit 27. However, in FIG. 4, the portion surrounded by the alternate long and short dash line is the configuration added this time, and the existing parts mounted on the vehicle 1 are used for the door drive unit 21 and the collation means 25.

In the door control device 10, when the door 5 is opened and closed with respect to the vehicle body 2, the user performs a predetermined movement in front of the door 5, for example, as follows. As shown in FIGS. 1 and 2, the user moves inward in the Y direction so as to approach the door 5 of the vehicle 1 (first operation M1), and then moves outward in the Y direction so as to move away from the door 5. Move (second operation M2). The control unit 27 detects the movement determined by the user by the change in the distance obtained from the detection result of the detection sensor 12, and the door 5 is closed by the door drive unit 21 when the door 5 is closed. Is opened, and if the door 5 is open, the door 5 is closed. As a result, the user can automatically open and close the door 5 without using his / her hands.

As shown in FIGS. 1 and 2, the detection sensor 12 detects an object to be detected located within a predetermined detection range 17 around the door 5. The objects to be detected include a user who possesses a key (portable device), a third party other than the user, an obstacle, and the ground G. Obstacles include structures (walls and pillars) around the vehicle, vehicles parked next to the vehicle, and the like.

As shown in FIG. 4, the detection sensor 12 is communicably connected to the control unit 27 by a communication cable. However, the detection sensor 12 may be communicably connected to the ECU (Electronic Control Unit) of the vehicle 1, and the detection result of the detection sensor 12 may be received by the control unit 27 from the ECU. The detection sensor 12 and the control unit 27 or the ECU may be wirelessly connected.

As the detection sensor 12, an ultrasonic sensor including a transmitter 13 and a receiver 14 is used. Referring to FIGS. 1 and 2, the ultrasonic waves emitted from the transmitter 13 form a detection range 17 that extends in a substantially conical shape along a predetermined direction. The reflected wave of the ultrasonic wave transmitted from the transmitter 13 is received by the receiver 14. This detection result is used for determining the presence or absence of the detected object within the detection range 17 and calculating the distance from the detection sensor 12 to the detected object. The arrangement of the detection sensor 12 will be described in detail later.

The door drive unit 21 drives the door 5 to open and close with respect to the vehicle body 2. Although not shown, the door drive unit 21 includes a motor, a gear mechanism, and the like that move the door 5 backward in the X direction, which is the direction in which the door 5 is opened, and forward in the X direction, which is the direction in which the door 5 is closed. There is. The door drive unit 21 is communicably connected to the control unit 27 by a communication cable. However, the door drive unit 21 may be electrically connected to the ECU, the control unit 27 may transmit the drive signal of the door drive unit 21 by the control unit 27 to the ECU, and the ECU may transmit the drive signal to the door drive unit 21.

The LED 22 provides an optical display that guides the user. Referring to FIG. 3, the LED 22 is arranged on the vehicle body 2 so as to be located below the door 5 to be controlled. Although not shown in detail, the LED 22 is mounted on a substrate inside the casing. This board is communicably connected to the control unit 27 by a communication cable. The light of the LED 22 is configured to be able to irradiate the vehicle 1 with an illuminance that can be visually recognized by the user not only when the surroundings of the vehicle 1 are dark but also when the surroundings of the vehicle 1 are bright.

The collating means 25 includes a transceiver having an out-of-vehicle LF transmission / reception antenna that communicates with the key using an LF (Low Frequency) signal and authenticates the out-of-vehicle key. The transceiver is communicably connected to the control unit 27 by a communication cable, but may be communicably connected to the ECU. The transceiver is activated in response to a command from the ECU and communicates regarding the key authentication process. In the key authentication process, the verification means 25 requests the key to send an authentication code, compares the authentication code received from the key with the registered regular code, and if they match (establish), the user is the user. Judge.

The control unit 27 controls the door drive unit 21 based on the result of key authentication by the collating means 25 and the detection result of the detection sensor 12. The control unit 27 includes a storage unit 28, a measurement unit 29, a determination unit 30, and a display drive unit 31, and is communicably connected to the ECU. The control unit 27 is composed of a single computer or a plurality of microcomputers, and other electronic devices.

The storage unit 28 stores a control program, setting data such as a threshold value and a determination value D used in the control program, and a data table for calculating a distance from the detection result of the detection sensor 12. Further, the storage unit 28 is configured to store the detection result of the detection sensor 12 for a set number of times (for example, 10 times).

The measuring unit 29 is detected by the detection sensor 12 based on the time (detection result) from the time when the transmitter 13 transmits (radiates) ultrasonic waves to the time when the receiver 14 receives the reflected waves (detection result). Measure the distance to an object. That is, the measuring unit 29 and the detection sensor 12 constitute a distance measuring sensor that measures the distance from the detection sensor 12 to the object to be detected. The measurement result is stored in the storage unit 28 as distance information. When the number of times the storage unit 28 can be stored exceeds the set number of times, the measurement results are erased in order from the oldest one.

The determination unit 30 determines the movement of the object to be detected based on the change in the distance, which is the measurement result (position of the object to be detected) of the measurement unit 29. That is, the determination unit 30 determines whether the object to be detected has moved or stopped based on the difference (change amount) between the current measurement result and the previous measurement result. If the amount of change is large, the moving distance is large, and conversely, if it is small, the moving distance is small. The determination unit 30 determines that the object to be detected has moved if the amount of change exceeds the preset determination value D, and determines that the object to be detected has stopped if the amount of change exceeds the determination value D.

The display drive unit 31 switches the LED 22 into a lighting state, a blinking state, and an extinguishing state. For example, if the determination unit 30 determines that the user has entered the detection range 17 and the key authentication by the collation means 25 is established, the display drive unit 31 switches the LED 22 from the off state to the on state. Further, when the determination unit 30 determines that the user has made a predetermined movement, the display drive unit 31 blinks the LED 22. Then, when the opening drive or the closing drive of the door 5 by the door drive unit 21 is completed, the display drive unit 31 turns off the LED 22. In this way, the detection state by the detection sensor 12 can be grasped by the user, and the operability by the user is improved. Instead of visually recognizing the lighting state of the LED 22, a circular mark 23 (see FIGS. 8 and 10) is displayed on the ground G as in the second embodiment described later, and the detection position of the detection sensor 12 is set. You may make it visible.

(Arrangement of detection sensor)
As most clearly shown in FIG. 1, the detection sensor 12 is fixed to the bottom 3 of the vehicle body 2. The detection sensor 12 is arranged on the side surface 4 side opposite to the door 5 in the Y direction so as to be located at a distance determined in the Y direction with respect to the door 5 to be controlled. This distance is a distance required for detecting the movement of the user by the detection sensor 12, and is preferably set to 60 cm or more. Further, the detection sensor 12 is arranged so as to form a detection range 17 extending from the detection sensor 12 along the horizontal direction (horizontal line H) toward the door 5 to be controlled.

Referring to FIG. 5, the detection sensor 12 is arranged in the casing 15 so that the output portion of the transmitter 13 and the input portion of the receiver 14 are located on the same surface of the casing 15. A horn 16 for increasing the directivity of the ultrasonic wave transmitted by the transmitter 13 is arranged on one surface of the casing 15 where the output unit and the input unit are located. The horn 16 is formed in a conical cylinder shape having a first opening 16a surrounding the output portion of the transmitter 13 and the input portion of the receiver 14, and a second opening 16b having a diameter larger than that of the first opening 16a. There is.

(Setting of detection range)
The radiation angles R1 and R2, the maximum length L, and the inclination angle i of the detection range 17 are as follows in order to suppress erroneous detection other than the user while reliably detecting the user by the detection sensor 12. Is set to.

As shown in FIGS. 1 and 2, the detection range 17 of the detection sensor 12 is wider in the X-direction dimension in the bottom view (XY plane) than in the Z-direction dimension in the rear view (YZ plane). It is set to be fan-shaped. That is, the detection range 17 is set so that the radiation angle R1 in the rear view shown in FIG. 1 is smaller than the radiation angle R2 in the bottom view shown in FIG.

If the radiation angle R1 in the rear view is excessively narrow, it becomes difficult for the detection sensor 12 to detect the user, and if it is excessively wide, the detection sensor 12 detects the bottom 3 and the ground G of the vehicle body 2, which is not preferable. In order to prevent these inconveniences, it is preferable to set the radiation angle R1 as large as possible within a range in which the bottom 3 of the vehicle body 2 and the ground G are not detected. If the radiation angle R2 in the bottom view is excessively narrow, it becomes difficult for the detection sensor 12 to detect the user, and if it is excessively wide, the detection sensor 12 increases the possibility of erroneously detecting the tire of a third party or the vehicle 1. Therefore, it is not preferable. In order to prevent these inconveniences, it is preferable that the radiation angle R2 is set so that the width of the tip 17a in the X direction is substantially the same as the width of the door 5 in the X direction.

If the maximum length L of the detection range 17 from the detection sensor 12 to the tip 17a is excessively short, it becomes difficult for the detection sensor 12 to detect the user, and if it is excessively long, the detection sensor 12 causes the vehicle parked next to the vehicle to be detected. This is not preferable because it increases the possibility of false detection. In order to prevent these inconveniences, the maximum length L of the detection range 17 is set to a dimension that protrudes outward from the side surface 4 of the vehicle body when viewed from the bottom, but is shorter than the assumed distance to the adjacent vehicle. Has been done.

As shown in FIG. 1, the tilt angle i in the rear view is defined as the angle formed by the horizontal line H extending in the Y direction through the detection sensor 12 and the output center C of the detection range 17. The upper edge 17b of the detection range 17 is located on the bottom 3 side of the vehicle body 2, and the lower edge 17c of the detection range 17 is located on the ground G side. If the inclination angle i is excessively narrow, the bottom 3 of the vehicle body 2 falls within the detection range 17, and if it is excessively wide, the ground G falls within the detection range 17, which is not preferable. In order to prevent these inconveniences, the inclination angle i is set to be half the inclination of the radiation angle R1.

The inclination angle i of the detection range 17 of the present embodiment is set so that the output center C passes through substantially the center between the bottom 3 of the vehicle body 2 and the ground G on the side surface 4 where the door 5 to be controlled is arranged. ing. Further, the radiation angle R1 of the detection range 17 is set to a size in which the upper edge 17b coincides with the horizon H. The maximum length L of the detection range 17 is set to be shorter than the dimension at which the lower edge 17c intersects the ground G.

As shown in FIG. 2, the output center C of the detection range 17 in bottom view is configured to coincide with the Y direction in the present embodiment. However, the output center C of the detection range 17 may be inclined at a predetermined angle with respect to the horizontal line H extending in the Y direction through the detection sensor 12.

The detection range 17 set in this way passes between the bottom 3 of the vehicle body 2 and the ground G along the horizontal direction (horizontal line H), and extends from the inside (bottom) side of the vehicle body 2 to the outside in the bottom view. It is extended. Further, the detection range 17 is tilted downward at an inclination angle i that does not detect the bottom 3 of the vehicle body 2 and the ground G.

Since the detection sensor 12 is arranged at the bottom 3 of the vehicle body 2, mounting the door control device 10 does not affect the design of the vehicle 1. Further, since the detection sensors 12 are arranged at intervals in the Y direction with respect to the door 5, the distance required for detection can be secured even on the side surface 4 of the vehicle 1 having a small space around it.

Since the detection range 17 has a flat shape in which the dimension in the bottom view (XY plane) is larger than the dimension in the rear view (YZ plane), the detection sensor 12 suppresses erroneous detection of the bottom 3 of the vehicle body 2 and the ground G. can. Further, the detection range 17 of the detection sensor 12 is effectively narrowed down by the arrangement of the horn 16. Moreover, the maximum length L of the detection range 17 can be easily set so that the detection sensor 12 does not erroneously detect the adjacent vehicle. Therefore, it is possible to suppress malfunction of the door 5 due to erroneous detection by the detection sensor 12.

(Control by control unit)
The automatic opening / closing control of the door 5 by the control unit 27 is started when the vehicle 1 is parked and the engine is stopped. When the control unit 27 determines that the key authentication by the collation means 25 is established and the user has performed a predetermined movement within the detection range 17, the door drive unit 21 opens or closes the door 5.

The detection range 17 of the detection sensor 12 is divided into a trigger section 18 and a start section 19 according to the difference in distance from the detection sensor 12. The trigger section 18 is separated from the detection sensor 12 from the first set distance located at the lower part of the vehicle body 2 to the second set position located near the door 5 farther from the detection sensor 12 than the first set position. In the meantime, it is set. The start section 19 is set between the second set distance and the third set distance located at a distance from the door 5 to the outside, away from the detection sensor 12 from the second set position.

The movement of the user determined by the determination unit 30 includes movement between the trigger section 18 and the start section 19. That is, the first operation M1 that moves from the start section 19 to the trigger section 18 so as to approach the door 5 and the second action M2 that moves from the trigger section 18 to the start section 19 so as to move away from the door 5 are included. ing. The movement for controlling the door 5 is not limited to this, and an operation of stopping for a predetermined time may be added between the operations M1 and M2, and the movement can be changed as necessary.

In this way, by setting the movement by the user to the movement straddling between the two operation sections 18 and 19, the movement of the third party existing around the vehicle 1 matches the defined movement. You can reduce the possibility of doing so. Therefore, it is possible to reduce unintended malfunction of the door 5 due to erroneous detection of the detection sensor 12. Further, the user only needs to move toward and / or away from the door 5. That is, in order to drive the door 5 to open and close, the user does not need to be in an unstable one-legged posture, so that the stability and operability of the user during operation can be improved.

Next, the operation of the door control device 10 will be described according to the flowcharts shown in FIGS. 6A and 6B.

As shown in FIG. 6A, the control unit 27 first waits until a predetermined detection time elapses (step S1). When the detection time elapses, the control unit 27 sends an ultrasonic wave from the transmitter 13 and receives the reflected wave by the receiver 14 (step S2).

When the detection sensor 12 does not detect the object to be detected (step S3: No), the control unit 27 switches the LED 22 to the off state by the display drive unit 31 and clears the key authentication state (step S4).

When the detection sensor 12 detects the object to be detected (step S3: Yes), it reads whether or not the key authentication is established (step S5). Then, when the key authentication is not established (step S5: No), the control unit 27 requests the key authentication (step S6). In the authentication process, the verification means 25 requests the key to transmit the authentication code, compares the authentication code received from the key with the registered regular code, and if they match, it is determined that the user is the user.

When the key authentication is not established (step S7: No), the control unit 27 turns off the LED 22 and clears the key authentication state (step S4). When the key authentication is established (step S7: Yes), the control unit 27 switches the LED 22 to the lighting state by the display drive unit 31 as shown in FIG. 6B (step S8).

When the key authentication is established (steps S5 and S7: Yes), the control unit 27 determines the movement of the user based on the measurement result (step S9).

If the change in distance obtained by the detection result of the detection sensor 12 does not match the predetermined movement (step S10: No), the process waits until the next detection time.

When the change in distance obtained by the detection result of the detection sensor 12 matches the predetermined movement (step S10: Yes), the control unit 27 detects whether the door 5 is in the closed state or the open state. .. When the door 5 is in the closed state (step S11: Yes), the control unit 27 performs a door open output to open the door 5 by the door drive unit 21 (step S12). When the door 5 is in the open state (step S11: No), the control unit 27 performs a door closing output for closing the door 5 by the door driving unit 21 (step S13).

Subsequently, the control unit 27 switches the LED 22 to the blinking state (step S14), and waits until the open drive or the closed drive by the door drive unit 21 is completed (step S15). Then, when the driving of the door driving unit 21 is completed, the control unit 27 turns off the LED 22, clears the key authentication state (step S16), and waits until the next detection time.

As described above, in the door control device 10 of the present embodiment, since the detection sensors 12 are arranged at intervals with respect to the door 5, even the side surface 4 having a small space around it is necessary for detection. You can secure the distance. Further, since the control unit 27 detects the movement determined by the user by the change in the distance obtained from the detection result of the detection sensor 12, the stability and operability of the user when driving the door 5 is improved. can.

(Second Embodiment)
7 to 9 show a vehicle door control device 10 according to a second embodiment mounted on the vehicle 1. The door control device 10 is mounted on a vehicle 1 in which electric side doors 5A and 5B are arranged on a pair of side surfaces 4 formed so as to face each other in the Y direction of the vehicle body 2.

As shown in FIG. 9, the door control device 10 includes two detection sensors 12A and 12B, two door drive units 21A and 21B, two LEDs 22A and 22B, and a collation means 25 similar to that of the first embodiment. And a control unit 27.

As shown in FIGS. 7 and 8, the first detection sensor 12A detects an object to be detected around the left side door (first side door) 5A located on the upper side in FIG. 8, and is lower in FIG. It is arranged on the bottom 3 of the vehicle body 2 so as to be located on the right side door (second side door) 5B side located on the side. The second detection sensor 12B detects an object to be detected around the right side door 5B, and is arranged at the bottom 3 of the vehicle body 2 so as to be located on the left side door 5A side. As shown in FIG. 9, as the detection sensors 12A and 12B, ultrasonic sensors including a wave transmitter 13 and a receiver 14, respectively, are used as in the first embodiment, and are communicably connected to the control unit 27. ing.

The first door drive unit 21A opens and closes the left side door 5A with respect to the vehicle body 2, and the second door drive unit 21B opens and closes the right side door 5B with respect to the vehicle body 2. It is connected to the unit 27 so as to be communicable.

As shown in FIGS. 9 and 10, the first LED 22A is driven by the first detection sensor 12A detecting the user, and is arranged in the casing 15 of the second detection sensor 12B. The second LED 22B is driven by the second detection sensor 12B detecting the user, and is arranged in the casing 15 of the first detection sensor 12A. As described above, since the LEDs 22B and 22A are integrally attached to the casing 15 of the detection sensors 12A and 12B, the attachment workability to the vehicle 1 can be improved.

The LEDs 22A and 22B are communicably connected to the control unit 27, and when the detection sensors 12A and 12B detect a user, they irradiate the ground G within the detection range 17. In the present embodiment, the LEDs 22A and 22B are lit or blinking to display a circular mark 23 (see FIGS. 8 and 10) on the ground G, improving the visibility of the user. Further, the LEDs 22A and 22B may be used as a welcome light. In this case, when the doors 5A and 5B are unlocked after the key authentication is established, and / or while the doors 5A and 5B are being opened and closed, the doors 5A and 5B are turned on to indicate the position of the driven doors 5A and 5B. In this way, instead of the circular mark, characters and patterns may be displayed as needed.

The detection sensors 12A and 12B including the LEDs 22B and 22A are arranged on the bottom 3 of the vehicle body 2 so that the individual detection ranges 17 are set in the same manner as in the first embodiment.

The control unit 27 includes a first unit including a first detection sensor 12A, a first LED 22A, and a first door drive unit 21A, and a second unit including a second detection sensor 12B, a second LED 22B, and a second door drive unit 21B. Is different from the first embodiment in that it is selected and driven. Specifically, the control unit 27 drives both the two detection sensors 12A and 12B until the user who possesses the key is detected. When the user who possesses the key is detected, the control unit 27 drives only the unit including the one of the two detection sensors 12A and 12B that has detected the user.

Specifically, when the object to be detected is detected by the first detection sensor 12A and the authentication by the collation means 25 is established, the control unit 27 then receives the first detection sensor 12A, the first LED 22A, and the first door drive unit 21A. Drive only. That is, the control unit 27 does not drive the second door drive unit 21B, of course, detects by the second detection sensor 12B, and does not display by the second LED 22B. Further, when the second detection sensor 12B detects the object to be detected and the verification means 25 establishes the authentication, the control unit 27 drives only the second unit and does not drive the first unit.

Next, the operation of the door control device 10 of the second embodiment will be described according to the flowcharts shown in FIGS. 11A and 11B.

As shown in FIG. 11A, the control unit 27 waits until the predetermined detection time elapses (step S20), and when the detection time elapses, the ultrasonic wave is transmitted from the transmitter 13 to the receiver. 14 receives the reflected wave (step S21). At this time, of the two detection sensors 12A and 12B, only one of the two detection sensors 12A and 12B set in step S24 or S39, which will be described later, or one of the two detection sensors 12A and 12B is driven.

When the detection sensors 12A and 12B do not detect the object to be detected (step S22: No), the control unit 27 switches the LEDs 22A and 22B to the off state by the display drive unit 31 and clears the key authentication state (step S23). .. Further, the drive setting is changed so that the two detection sensors 12A and 12B are driven thereafter (step S24).

When the detection sensor 12A or 12B detects the object to be detected (step S22: Yes), it reads whether or not the key authentication is established (step S25). Then, when the key authentication is not established (step S25: No), the control unit 27 requests the key authentication (step S26).

When the key authentication is not established (step S27: No), the control unit 27 turns off the LEDs 22A and 22B and clears the key authentication state (step S23). Further, the drive setting is changed so that the two detection sensors 12A and 12B are driven thereafter (step S24).

When the key authentication is established (step S27: Yes), the control unit 27 changes the drive setting so that only the one of the two detection sensors 12A and 12B that detects the user is driven thereafter (step S28). ). Further, of the two LEDs 22A and 22B, only the one corresponding to the detection sensor 12A or 12B to be driven is changed to be driven (step S29). For example, when driving the detection sensor 12A, the LED 22A arranged on the detection sensor 12B side is set to be driven, and when driving the detection sensor 12B, the LED 22B arranged on the detection sensor 12A side is set to be driven. do. After that, as shown in FIG. 11B, the display drive unit 31 switches the LED 22A or 22B to be driven to the lighting state (step S30).

When the key authentication is established (steps S25 and S27: Yes), the control unit 27 determines the movement of the user based on the measurement result (step S31).

If the change in distance obtained by the detection result of the detection sensor 12A or 12B does not match the predetermined movement (step S32: No), the process waits until the next detection time.

When the change in distance obtained by the detection result of the detection sensor 12A or 12B matches the predetermined movement (step S32: Yes), the control unit 27 determines that the corresponding door 5A or 5B is closed or open. Is detected. When the door 5A or 5B is in the closed state (step S33: Yes), the control unit 27 performs a door open output to open the door 5A or 5B by the door drive unit 21A or 21B (step S34). When the door 5A or 5B is in the open state (step S33: No), the control unit 27 performs a door closing output for closing the door 5A or 5B by the door driving unit 21A or 21B (step S35).

Subsequently, the control unit 27 switches the LED 22A or 22B to the blinking state (step S36), and waits until the open drive or the closed drive by the door drive unit 21A or 21B is completed (step S37). When the driving of the door driving unit 21A or 21B is completed, the control unit 27 turns off the LED 22A or 22B and clears the key authentication state (step S38). Further, the drive setting is changed (step S39) so that the two detection sensors 12A and 12B are subsequently driven, and the device waits until the next detection time.

As described above, in the door control device 10 of the second embodiment, the first unit including the first detection sensor 12A, the first LED22A, and the first door drive unit 21A, the second detection sensor 12B, the second LED22B, and the second door control device 10. Since it is provided with a second unit including a two-door drive unit 21B, it can correspond to the vehicle 1 of the double-sided side doors 5A and 5B. Moreover, since only the one of the two detection sensors 12A and 12B that detects the user is driven, it is possible to suppress erroneous detection by a third party other than the user. Further, the LEDs 22A and 22B are arranged in the casing 15 of the detection sensors 12A and 12B, respectively, so that the other LED can be used when one of the detection sensors is driven, so that the detection sensor and the LED are not provided separately. The number of parts can be reduced.

Further, as in the first embodiment, even if the side portion of the vehicle 1 has a small space around it, the distance required for detection can be secured, so that the stability of the user when driving the doors 5A and 5B can be obtained. Operability can be improved.

The vehicle door control device 10 of the present invention is not limited to the configuration of the above embodiment, and various modifications can be made.

For example, as shown in FIG. 7, in a vehicle 1 equipped with a back sonar that monitors the rear while traveling, two or more (four in the figure) back sonar sensors (ultrasonic sensors) 33A to 33D are used. , The unit driven by the control unit 26 may be set. That is, the control unit 26 determines in which direction the user is moving, depending on the order in which the back sonar sensors 33A to 33D arranged at intervals in the Y direction of the vehicle body 2 detect the object to be detected. do. Then, the control unit 26 may drive the detection sensor 12A or 12B corresponding to the door 5A or 5B in the direction in which the user moves, and the LED 22A or 22B.

As shown in FIG. 12, the detection sensor 12 may be arranged at the center of the bottom 3 of the vehicle body 2 in the Y direction. Further, the detection sensor 12A for the left side door 5A and the detection sensor 12B for the right side door 5B may be arranged at the center of the bottom 3 of the vehicle body 2. In this case, it is preferable that the LEDs 22A and 22B are arranged below the side doors 5A and 5B of the vehicle body 2 as in the first embodiment.

The detection sensor 12 may be configured by an infrared sensor including a light emitting element and a light receiving element. When an infrared sensor is used as the detection sensor 12, the directivity of the detection range can be improved without using the horn 16 shown in FIG. Therefore, it is possible to effectively suppress the malfunction of the door 5 due to the erroneous detection of the detection sensor 12. Further, the sensor is not limited to an ultrasonic sensor or an infrared sensor, and any sensor that can detect an object to be detected and can determine the distance to the object to be detected based on the detection result can be changed as necessary.

The detection sensor 12 arranges the detection sensor 12 in the center between the bottom 3 of the vehicle body 2 and the ground G so that the inclination angle i is 0 degrees (horizontal), and the output center C and the horizontal line H of the detection range 17 are arranged. May match. The detection range 17 of the detection sensor 12 may be set only between the bottom 3 of the vehicle body 2 and the ground G so as not to protrude outward from the vehicle body 2 when viewed from the bottom.

The control unit 27 may divide the detection range 17 into three or more operation sections and detect a movement determined by the user. Further, the movement to be determined may be set by combining the change (movement) of the distance, the stop, the number of movements, and the number of stops as necessary. Further, the detection range 17 may be configured by a combination of approach and stop without dividing the detection range 17 into two or more operation sections.

The electric device of the door 5 is not limited to the door driving unit 21 that drives the door 5 to open and close, and may be a door lock device that locks the door 5 to the vehicle body 2 so that the door 5 cannot be opened. Further, the door to be controlled is not limited to the side door, but may be a back door.

The detection range 17 of the detection sensor 12 may be the maximum length L including the vehicle parked next to it. In this case, the control unit 27 (determination unit 30) determines that the object to be detected whose distance (position) has not changed for a predetermined time or longer is an obstacle, and the measurement result is not used for detecting the movement of the user. It is preferable to have a configuration.

1 ... Vehicle 2 ... Body 3 ... Bottom 4 ... Side 5, 5A, 5B ... Door 10 ... Vehicle door control device 12, 12A, 12B ... Detection sensor (detection unit)
13 ... Transmitter 14 ... Receiver 15 ... Casing 16 ... Horn 16a ... First opening 16b ... Second opening 17 ... Detection range 17a ... Tip 17b ... Upper edge 17c ... Lower edge 18 ... Trigger section (operation section)
19 ... Start section (operation section)
21,21A, 21B ... Door drive unit (electric equipment)
22, 22A, 22B ... LED (display unit)
23 ... Mark 25 ... Collation means 27 ... Control unit 28 ... Storage unit 29 ... Measurement unit 30 ... Judgment unit 31 ... Display drive unit 33A to 33D ... Back sonar sensor G ... Ground H ... Horizontal line passing through the detection sensor C ... Output center R1 , R2 ... Radiation angle i ... Tilt angle with respect to the horizon

Claims (10)

A detection unit that detects an object to be detected located within the specified detection range around the door,
It is provided with a control unit that controls the electric device of the door when the movement determined by the object to be detected is detected by the change in the distance obtained from the detection result of the detection unit.
The detection unit is arranged at the bottom of the vehicle body at intervals from the door so as to form the detection range extending horizontally from the detection unit.
Two or more operation sections are set in the detection range depending on the distance from the detection unit.
A vehicle door control device, wherein the defined movement detected by the control unit includes movement between the two or more operation sections. The door is a side door arranged on the side surface of the vehicle body.
The vehicle door control device according to claim 1, wherein the detection unit is arranged at intervals in the vehicle width direction with respect to the side door. The vehicle door control device according to claim 2, wherein a display unit for optically displaying guidance to the detection range is provided on the side door side of the vehicle body. A detection unit that detects an object to be detected located within the specified detection range around the door ,
It is provided with a control unit that controls the electric device of the door when the movement determined by the object to be detected is detected by the change in the distance obtained from the detection result of the detection unit.
The door is a side door arranged on the side surface of the vehicle body.
The detection unit is arranged at the bottom of the vehicle body at intervals in the vehicle width direction with respect to the side door so as to form the detection range extending horizontally from the detection unit.
The side door includes a first side door arranged on one side and a second side door arranged on the other side of a pair of side surfaces facing in the vehicle width direction of the vehicle body.
The detection unit is a first detection unit arranged on the other side of the pair of side surfaces to detect the object to be detected around the first side door, and the second side side arranged on the one side. A vehicle door control device including a second detection unit that detects the object to be detected around the door. On the side door side of the vehicle body, a display unit for performing an optical display for guiding to the detection range is provided.
The display unit includes a first display unit for the first side door integrally provided with the second detection unit and a second display unit for the second side door integrally provided with the first detection unit. The vehicle door control device according to claim 4, which includes a unit. The vehicle according to claim 3 or 5, wherein the display unit is a welcome light that lights up or blinks when the detection unit detects the object to be detected or when the control unit controls the electric device. Door control device. The vehicle door control device according to any one of claims 1 to 6, wherein the electric device includes a door driving unit that drives the door to open and close with respect to the vehicle body. The detection unit is an ultrasonic sensor.
The vehicle door control device according to any one of claims 1 to 7, wherein the detection range of the detection unit is set so that the dimension of the bottom view is larger than the dimension of the rear view. .. The vehicle door control device according to claim 8, wherein a horn for enhancing the directivity of the transmitted ultrasonic wave is arranged in the ultrasonic sensor. The vehicle door control device according to any one of claims 1 to 7, wherein the detection unit is an infrared sensor.

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