JP6957325B2 - Vehicle opening / closing body control device - Google Patents

Description

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

Patent Document 1 discloses a power slide door control device that opens a power slide door when a user's kick operation is detected by a kick sensor (electrostatic sensor).

Japanese Unexamined Patent Publication No. 2014-125750

According to the power slide door control device, the user can open the power slide door without using his / her hands when both hands are occupied. However, when the kick sensor is used to control the opening operation of the power slide door, a kick operation such as moving the foot toward the kick sensor is required, and the operating posture of the user may become unstable. ..

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a vehicle opening / closing body control device capable of opening and operating a power slide door in a stable operating posture without using hands. To provide.

One aspect of the present invention is a vehicle opening / closing body control device for opening / closing an opening / closing body provided in a vehicle, and an image is taken of a detection area provided in the vehicle body of the vehicle and set in the vicinity of the opening / closing body. The image pickup device that outputs the captured image, the determination unit that determines from the captured image whether or not both feet of the user are aligned in the detection area, and the determination unit that determines that both feet of the user are aligned. In this case, the vehicle opening / closing body control device is provided with a drive control unit for operating the opening / closing body in the opening direction.

One aspect of the present invention is the above-mentioned vehicle opening / closing body control device, and when the relative positions of both feet in the detection area are within a predetermined range, the determination unit aligns both feet of the user. It is determined that it is.

One aspect of the present invention is the above-mentioned vehicle opening / closing body control device, and when the relative position of the toes of both feet in the detection area is within the first range, the determination unit is said to be the user. Judge that both feet are aligned.

One aspect of the present invention is the above-mentioned vehicle opening / closing body control device, in which the determination unit is short of both feet when the relative positions of the toes of both feet in the detection area are within the first range. It is further determined whether or not the length in the hand direction is within the second range, and if the length in the short hand direction of both feet is within the second range, it is determined that both feet of the user are aligned. judge.

One aspect of the present invention is the above-mentioned opening / closing body control device for a vehicle, in which the determination unit determines that the length of both feet in the detection area in the lateral direction is within the second range. It is determined whether or not the length of the gap in the short direction between the feet is within the third range, and if the length of the gap in the short direction between the two feet is within the third range, the above It is determined that both feet of the user are aligned.

One aspect of the present invention is the above-mentioned vehicle opening / closing body control device, in which the drive control unit is in a state where both feet of the user, as determined by the determination unit, are aligned for a predetermined time. The opening / closing body is operated in the opening direction or the closing direction.

As described above, according to the present invention, the user can open the power slide door in a stable operating posture without using a hand.

It is a figure which shows an example of the schematic structure of the vehicle opening / closing system A provided with the vehicle opening / closing body control device which concerns on one Embodiment of this invention. It is a figure which represented typically the predetermined area E which the image pickup apparatus 2 which concerns on one Embodiment of this invention image | image. It is a figure which shows an example of the structure of the opening / closing body control device 3 for a vehicle which concerns on one Embodiment of this invention. It is a figure explaining the determination method in the determination unit 32 which concerns on one Embodiment of this invention. It is a figure which shows the flow of operation of the opening / closing body control device 3 for a vehicle which concerns on one Embodiment of this invention.

Hereinafter, the present invention will be described through embodiments of the invention, but the following embodiments do not limit the inventions that fall within the scope of the claims. Also, not all combinations of features described in the embodiments are essential to the means of solving the invention. In the drawings, the same or similar parts may be designated by the same reference numerals to omit duplicate explanations. In addition, the shape and size of elements in the drawings may be exaggerated for a clearer explanation.

Hereinafter, a vehicle opening / closing body control device according to an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a diagram showing an example of a schematic configuration of a vehicle opening / closing system A provided with a vehicle opening / closing body control device according to an embodiment of the present invention. The vehicle opening / closing system A is a system for opening / closing the opening / closing body provided in the vehicle C.

The vehicle C is a one-box type passenger car, and a sliding door D which is an opening / closing body is provided on a side portion of the vehicle body. The sliding door D is guided by a guide rail (guide member) R fixed to the side of the vehicle body, and can be opened and closed between the fully closed position shown by the solid line and the fully open position shown by the alternate long and short dash line in FIG. be. In the present embodiment, the case where the opening / closing body is the sliding door of the vehicle C will be described, but the present invention is not limited to this, and for example, a tailgate may be used.

The vehicle opening / closing system A includes a keyless entry device 1, an image pickup device 2, and a vehicle opening / closing body control device 3.

The keyless entry device 1 is a device that can remotely lock (lock) / unlock (unlock) the slide door D wirelessly. The keyless entry device 1 acquires a lock signal or an unlock signal from a mobile terminal carried by the user. The lock signal is a signal instructing the sliding door D to be locked. The unlocking signal is a signal instructing the sliding door D to be unlocked.

The lock signal and the unlock signal include identification information that distinguishes the vehicle C from other vehicles. When the keyless entry device 1 acquires a lock signal or an unlock signal from the mobile terminal, the keyless entry device 1 includes identification information included in the acquired signal and unique identification information of the vehicle C registered in advance in the own device. To match. Then, when the identification information included in the lock signal or the unlock signal and the identification information registered in the keyless entry device 1 match as a result of the collation, the keyless entry device 1 slides the door according to the signal. Lock or unlock D.

Specifically, when the keyless entry device 1 wirelessly acquires the lock signal, if the identification information included in the lock signal and the identification information registered in the keyless entry device 1 match, the vehicle The door lock device provided in C is instructed to lock the slide door D. As a result, the door lock device locks the sliding door D.
On the other hand, when the keyless entry device 1 wirelessly acquires the unlock signal, if the identification information included in the unlock signal and the identification information registered in the keyless entry device 1 match, the vehicle C Instruct the door lock device provided in the above to unlock the sliding door D. As a result, the door lock device unlocks the sliding door D.

Further, when the unlocking signal is wirelessly acquired, the keyless entry device 1 transmits an unlocking instruction signal indicating that the unlocking of the slide door D is instructed to the vehicle opening / closing body control device 3.

The image pickup device 2 is a side portion of the vehicle body of the vehicle C and is provided on the slide door D side. The image pickup device 2 may be provided on either the front side or the rear side of the vehicle, but preferably the rear side of the vehicle, which makes it easy to secure an arrangement space. When the image pickup device 2 acquires the drive signal from the vehicle opening / closing body control device 3, the image pickup device 2 uses the electric power from the battery of the vehicle C as an operating power source to take an image of a predetermined area E in the vicinity of the slide door D. On the other hand, when the image pickup device 2 acquires the drive stop signal from the vehicle opening / closing body control device 3, the image pickup device 2 stops the image pickup in the predetermined area E.

FIG. 2 is a diagram schematically showing a predetermined area E imaged by the image pickup apparatus 2 according to the embodiment of the present invention. The image pickup device 2 images the feet (hereinafter, simply referred to as "feet") of a user standing in a predetermined area E. The act of the user standing in the predetermined area E means that the sliding door D is operated in the opening direction to open the sliding door D.
The image pickup device 2 outputs the captured image in the predetermined area E captured to the vehicle opening / closing body control device 3. The captured image of the image pickup device 2 may be a still image or a moving image.

Next, the configuration of the vehicle opening / closing body control device 3 according to the embodiment of the present invention will be described. FIG. 3 is a diagram showing an example of the configuration of the vehicle opening / closing body control device 3 according to the embodiment of the present invention.

As shown in FIG. 3, the vehicle opening / closing body control device 3 includes a detection unit 31, a determination unit 32, a drive control unit 33, and a power supply control unit 34.

The detection unit 31 acquires the captured image of the imaging device 2. Then, the detection unit 31 transmits the acquired captured image to the determination unit 32.

The determination unit 32 determines the presence or absence of an object in the detection area E based on the captured image acquired from the detection unit 3. Then, when the determination unit 32 determines that the existence of the object is present in the detection area E, the determination unit 32 determines whether or not the object is both feet and both feet are aligned. For example, when the relative positions of both feet in the detection area E are within a predetermined range, the determination unit 32 determines that both feet of the user are aligned.
On the other hand, if the determination unit 32 does not detect the existence of the object in the detection area E within a predetermined time (if it does not determine that the object exists), it is a signal indicating that the object does not exist. The undetected signal is output to the power supply control unit 34.

Hereinafter, the determination method in the determination unit 32 will be described with reference to FIG.

As shown in FIG. 4, the determination unit 32 executes each process from the determination process (1) to the determination process (4) in order, and in the image captured by the imaging device 2, the legs arranged in the detection area E ( Determine if both feet are aligned.

Determining unit 32, as a determination process (1), measures the longitudinal length L _A of the foot, the measured length L _A is a predetermined range (hereinafter, referred to as "longitudinal extent".) Is within Judge whether or not. Then, the determination unit 32, in the determination process (1), if the length L _A is determined to be within the longitudinal range, and meets the criteria of the length of the foot in the longitudinal direction.

Determining unit 32, as the determination process (2), measures the relative position L _D of the toe of each foot, the measured length L _D is a predetermined range (hereinafter, referred to as "relative position range".) Within the Determine if it exists. Then, the determination unit 32, in the determination process (2), if the length L _D is determined to be the relative position range (first range) meets the criteria of the relative position of the toe of the left and right feet Suppose you are.

Determining unit 32, as the determination process (3), measures the length L _C of the widthwise direction of the feet, the measured length L _C is a predetermined range (hereinafter, referred to as "lateral direction range".) In Is determined. Then, the determination unit 32, in the determination process (3), if the length L _C is determined to be in the lateral direction ranges (second range), the foot in the lateral direction length criteria Suppose it meets.

Determining unit 32, as the determination process (4), the length of the foot of the gap in the lateral direction at the time of arranging the left and right feet, i.e. clearance in the lateral direction between both feet length L _B is measured, the the length L _B is a predetermined range measured (hereinafter, referred to as. "gap range") determines whether it is within. Then, the determination unit 32, in the determination process (4), if the length L _B is determined to be within a gap range (third range) is the gap in the lateral direction between both feet length criteria Suppose that

In the above-mentioned determination processes (1) to (4), the determination unit 32 determines that both feet of the user are aligned in the detection area E when all the determination processes satisfy the criteria. Then, the determination unit 32 outputs a determination pass signal indicating the determination result to the drive control unit 33.

When the drive control unit 33 continues to acquire the determination pass signal from the determination unit 32 for a predetermined time T, the drive control unit 33 operates the slide door D in the opening direction. Specifically, the drive control unit 33 operates the slide door D in the opening direction by rotationally driving an electric motor (not shown) provided in the vehicle. As a result, the sliding door D is opened, and the user can get on the vehicle C.

The power supply control unit 34 controls the drive of the image pickup device 2. Here, controlling the drive of the image pickup device 2 means, for example, turning on or off the power supply of the image pickup device 2. For example, when the power supply control unit 34 acquires the unlocking instruction signal from the keyless entry device 1, the power supply control unit 34 turns on the power of the image pickup device 2 by transmitting a drive signal to the image pickup device 2. Further, the power supply control unit 34 provides, for example, an identification code signal transmitting means in the keyless entry device 1 or a mobile terminal owned by the user, and provides an identification code signal receiving means in the vehicle, and collates the identification code by communicating with each other. After that, the power of the image pickup apparatus 2 may be turned on. As a result, the image pickup apparatus 2 is driven to start imaging in a predetermined area E.

On the other hand, when the determination unit 32 does not detect the presence of an object in the detection area E from the image captured by the image pickup device 2 (acquisition of an undetected signal), the power supply control unit 34 receives the undetected signal in the detection area E by the determination unit 32. If it is not continuously determined that both feet of the user are aligned for a predetermined time T, the power of the image pickup device 2 is turned off by transmitting a drive stop signal to the image pickup device 2.

Next, the operation flow of the vehicle opening / closing body control device 3 according to the embodiment of the present invention will be described with reference to FIG. FIG. 5 is a diagram showing an operation flow of the vehicle opening / closing body control device 3 according to the embodiment of the present invention.

When the vehicle opening / closing body control device 3 acquires the unlocking instruction signal (step S101), the vehicle opening / closing body control device 3 turns on the power of the image pickup device 2 (step S102). As a result, the power of the image pickup apparatus 2 is turned on, and the image pickup apparatus 2 starts imaging of a predetermined area E.

The vehicle opening / closing body control device 3 acquires a captured image of a predetermined area E from the imaging device 2 (step S103). The vehicle opening / closing body control device 3 determines from the image captured by the image pickup device 2 whether or not an object, that is, a user's foot is present in the detection area E (step S104).

When the vehicle opening / closing body control device 3 determines from the captured image that the user's foot does not exist in the detection area E, the vehicle opening / closing body control device 3 determines whether or not a predetermined time has elapsed since the image pickup device 2 was turned on. Step S105). Then, when the vehicle opening / closing body control device 3 determines that a predetermined time has elapsed since the image pickup device 2 was turned on, the power supply of the image pickup device 2 is turned off (step S106). That is, if a timer is provided in the vehicle opening / closing body control device 3 and the presence of the user's foot cannot be detected in the detection area E within a predetermined time after the image pickup device 2 is turned on, the power supply of the image pickup device 2 is turned off. Let me.

On the other hand, a closure for a vehicle control apparatus 3, when the user's foot is determined to be within the detection area E from the captured image, the longitudinal length L _A is the longitudinal extent of the user's foot Whether or not it is determined (step S107).

Opening and closing member control device 3 for a vehicle, if the length L _A is determined to be within the longitudinal range, a relative position L _D of the toe of each foot in the user determines whether the relative position range (Step S108). On the other hand, a closure for a vehicle control apparatus 3, when the length L _A is determined not within the longitudinal range, the process proceeds to step S105. When the length L _A within a predetermined time from the imaging device 2 is turned on it can not detect that it is in the longitudinal range, turns off the power of the imaging apparatus 2.

A closure for a vehicle control apparatus 3, when the relative position L _D is determined to be within the relative position range determines whether the lateral direction of the length L _C of the legs is in the lateral direction ranges (Step S109). On the other hand, a closure for a vehicle control apparatus 3, when the relative position L _D is determined not within the relative position range, the process proceeds to step S105. When the relative position L _D within a predetermined time from the imaging device 2 is turned on it can not detect that it is in the relative position range, turns off the power of the imaging apparatus 2.

Opening and closing member control device 3 for a vehicle, if the length L _C has been determined to be within the lateral direction range, the shorter the gap in the direction length L _B between both feet whether within the gap range Determine (step S110).

The opening and closing member control device 3 for a vehicle, if the length L _B is determined to be within a gap range, determines whether the current time counting (step S 111), if not timed, the timing Start (step 112). Then, when the time counting is started, the vehicle opening / closing body control device 3 returns to the process of step S104 again. On the other hand, a closure for a vehicle control device 3, if the length L _B is judged not in the gap range, the process proceeds to step S105. Then, when the imaging device 2 is turned on length within a predetermined time after L _B it can not detect that it is in the gap range, turns off the power of the imaging apparatus 2.

Further, when the vehicle opening / closing body control device 3 determines in step S111 that the time is being measured, the vehicle opening / closing body control device 3 determines whether or not the current time measurement time has passed the predetermined time T (step S113). When the vehicle opening / closing body control device 3 determines that the current time counting time has passed the predetermined time T, the vehicle opening / closing body control device 3 operates the slide door D in the opening direction (step S114). As a result, the sliding door D is opened, and the user can get on the vehicle C. On the other hand, when the vehicle opening / closing body control device 3 determines that the current timing time has not passed the predetermined time T, the vehicle opening / closing body control device 3 continues the timing and returns to the process of step S104.
The vehicle opening / closing body control device 3 turns off the power of the image pickup device 2 after operating the slide door D in the opening direction.

In step S105, if the vehicle opening / closing body control device 3 determines that a predetermined time has not elapsed since the image pickup device 2 was turned on, whether or not the identification code collation by the keyless entry device 1 was successful. Is determined (step S115). When the identification code verification by the keyless entry device 1 is not successful (for example, when the identification code is not received from the mobile terminal owned by the user), the vehicle opening / closing body control device 3 is an imaging device. The power of 2 is turned off (step S106).

On the other hand, the vehicle opening / closing body control device 3 determines whether or not the sliding door D is in the open state when the identification code is successfully collated by the keyless entry device 1 (step S116). Then, when the vehicle opening / closing body control device 3 determines that the slide door D is in the open state, the vehicle opening / closing body control device 3 turns off the power of the image pickup device 2 (step S106). On the other hand, when the vehicle opening / closing body control device 3 determines that the sliding door D is not in the open state, the process proceeds to step S104. The determination in steps S105, 115, and 116 may be executed by the determination unit 32 or the power supply control unit 34.

Although the embodiments of the present invention have been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and includes designs and the like within a range that does not deviate from the gist of the present invention.

(Modification 1) In the above embodiment, the mounting position of the image pickup device 2 is not particularly limited as long as a predetermined area E in the vicinity of the slide door D can be imaged. For example, the image pickup device 2 may be the upper part of the side portion of the vehicle body in the slide door D, or may be the lower part.

(Modification 2) In the above embodiment, the predetermined area E is set at a position where the sliding door D does not hit the user even if it overhangs when the sliding door D operates in the opening direction. For example, the vehicle opening / closing body control device 3 includes an irradiation unit that irradiates the area E with light (for example, a laser beam) in order to inform the user of the predetermined area E. In this case, for example, the irradiation unit starts irradiating the predetermined area E with light at the same time as the imaging of the imaging device 2 is started. As a result, the user can surely grasp the standing place when opening the sliding door D.

(Modification 3) In the above embodiment, when the determination unit 32 determines that both feet of the user are aligned in the detection area E, the vehicle opening / closing body control device 3 notifies the user to that effect. A notification unit may be provided.

(Modification 4) In the above embodiment, the determination unit 32 may identify the user from the size of the foot, the relative position of both feet, and the like measured in the determination processes (1) to (4). For example, the vehicle opening / closing body control device 3 sets the slide door D by identifying the user of the vehicle C from the size of the feet measured in the determination processes (1) to (4), the relative positions of both feet, and the like. At the same time as unlocking, the sliding door D may be operated in the opening direction.

(Modification 5) In the above embodiment, the determination unit 32 executes each process from the determination process (1) to the determination process (4) in the order of the determination processes (1), (2), (3), and (4). However, the present invention is not limited to this. That is, the order in which the determination processes are performed from the determination processes (1) to the determination processes (4) is not particularly limited.

(Modification 6) In the above embodiment, when the determination unit 32 satisfies the criteria in all the determination processes (1) to (4), both feet of the user are in the detection area E. Although it is determined that they are aligned, the present invention is not limited to this. For example, if the determination unit 32 satisfies the criteria in at least one determination process from the determination process (2) to the determination process (4), the determination unit 32 determines that both feet of the user are aligned in the detection area E. May be good.

(Modification 7) In the above embodiment, the power supply control unit 34 controls the drive of the image pickup device 2 by controlling the power supply from the battery (not shown) provided in the vehicle C to the image pickup device 2. You may. For example, when the power supply control unit 34 acquires the unlock instruction signal from the keyless entry device 1, the power supply control unit 34 starts supplying electric power from the battery to the image pickup device 2. As a result, the image pickup apparatus 2 is driven to start imaging in a predetermined area E. On the other hand, when the determination unit 32 does not detect the presence of an object in the detection area E from the image captured by the image pickup device 2 (acquisition of an undetected signal), the power supply control unit 34 receives the undetected signal in the detection area E by the determination unit 32. If it is not continuously determined that both feet of the user are aligned for a predetermined time T, the power supply from the battery to the image pickup apparatus 2 is stopped.

(Modification 8) In the above embodiment, when the identification code collation by the keyless entry device 1 is successful, the vehicle opening / closing body control device 3 may move to step S104 without moving to step S116. good.

(Modification 9) In the above embodiment, the determination unit 32 may include at least one of the following two determination processes in the determination process for determining whether or not both feet of the user are aligned. For example, the following determination process is included in step S109, and when all the criteria are satisfied, the process proceeds to step S110.
And determination unit 32, half the length L _C (L _{C / 2)} is equal to or within a predetermined range, when the half value is within a predetermined range, one foot in the lateral-direction length Suppose that the criteria are met. Therefore, when the half-value (L C _{/ 2)} is not within the predetermined range, as do not meet the criteria of the length of the leg in the lateral direction, the process proceeds to step S105.
The determination unit 32 reads the shape of the foot (shoe) from the captured image, and whether or not the shape of the read foot (shoe) matches the shape (registered shape) registered in advance in the vehicle opening / closing body control device 3. Is determined. Then, when the shape of the read foot (shoe) matches the registered shape, the determination unit 32 determines that the foot is the user's foot and satisfies the standard of the shape of the foot (shoe). Is determined. On the other hand, if the shape of the read foot (shoe) does not match the registered shape, the determination unit 32 determines that the foot is not the user's foot, and proceeds to the process of step S105.

As described above, the vehicle opening / closing body control device 3 according to the present embodiment determines from the captured image whether or not both feet of the user are aligned in the detection area set in the vicinity of the sliding door D, and the user. When it is determined that both feet are aligned, the sliding door D is operated in the opening direction. As a result, the user can open the slide door D simply by standing in front of the slide door D without kicking. Therefore, the user can open the slide door D in a stable operating posture without using his / her hands.

A Vehicle opening and closing system A
1 Keyless entry device 2 Imaging device 3 Vehicle opening / closing body control device 31 Detection unit 32 Judgment unit 33 Drive control unit 34 Power supply control unit

Claims (6)

It is a vehicle opening / closing body control device that opens / closes the opening / closing body provided in the vehicle.
An imaging device provided on the vehicle body of the vehicle and outputting an image captured by capturing a detection area set in the vicinity of the opening / closing body.
A determination unit that determines from the captured image whether or not both feet of the user are aligned in the detection area,
When it is determined by the determination unit that both feet of the user are aligned, a drive control unit that operates the opening / closing body in the opening direction and a drive control unit.
An opening / closing body control device for a vehicle, which comprises. The vehicle use according to claim 1, wherein the determination unit determines that the user's feet are aligned when the relative positions of both feet in the detection area are within a predetermined range. Opening and closing body control device. The determination unit
The vehicle opening / closing according to claim 2, wherein when the relative positions of the toes of both feet in the detection area are within the first range, it is determined that both feet of the user are aligned. Body control device. When the relative position of the toes of both feet in the detection area is within the first range, the determination unit further determines whether or not the length of both feet in the lateral direction is within the second range. The vehicle opening / closing body control according to claim 3, wherein when the length of both feet in the lateral direction is within the second range, it is determined that both feet of the user are aligned. Device. When the length of both feet in the short-hand direction in the detection area is within the second range, the determination unit determines whether the length of the gap between the two feet in the short-hand direction is within the third range. The claim is characterized in that it is determined whether or not, and when the length of the gap between the two feet in the lateral direction is within the third range, it is determined that both feet of the user are aligned. 4. The vehicle opening / closing body control device according to 4. The drive control unit is characterized in that the opening / closing body is operated in the opening direction or the closing direction when the state in which both feet of the user are aligned, which is determined by the determination unit, continues for a predetermined time. The vehicle opening / closing body control device according to any one of claims 1 to 5.

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