WO2022054389A1 - Structure de montage de capteur de pare-chocs de véhicule - Google Patents

Structure de montage de capteur de pare-chocs de véhicule Download PDF

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Publication number
WO2022054389A1
WO2022054389A1 PCT/JP2021/025962 JP2021025962W WO2022054389A1 WO 2022054389 A1 WO2022054389 A1 WO 2022054389A1 JP 2021025962 W JP2021025962 W JP 2021025962W WO 2022054389 A1 WO2022054389 A1 WO 2022054389A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor
support bracket
vehicle
mounting structure
wall portion
Prior art date
Application number
PCT/JP2021/025962
Other languages
English (en)
Japanese (ja)
Inventor
晃彦 高見
雄高 藤原
晋吾 島田
尭大 佐々木
Original Assignee
三菱自動車工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱自動車工業株式会社 filed Critical 三菱自動車工業株式会社
Priority to JP2022547415A priority Critical patent/JP7435805B2/ja
Publication of WO2022054389A1 publication Critical patent/WO2022054389A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/10—Doors arranged at the vehicle rear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/48—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects

Definitions

  • This disclosure relates to the sensor mounting structure of a vehicle bumper.
  • Patent Document 1 a sensor mounting structure for a vehicle bumper that mounts a kick sensor on a bumper at the rear of the vehicle is known (see, for example, Patent Document 1).
  • the kick sensor of Patent Document 1 detects that the toes of a user of a vehicle pass under the kick sensor.
  • the vehicle's tailgate opens automatically. By automatically opening the tailgate in this way, the user of the vehicle does not have to use his or her hands, and the convenience of the vehicle is improved.
  • the sensor mounting structure of the vehicle bumper of Patent Document 1 includes a rear bumper cover and an undercover.
  • the undercover is provided on the lower side in the vertical direction of the vehicle with respect to the floor panel of the vehicle and on the front side of the vehicle with respect to the rear bumper cover.
  • the kick sensor is located inside a closed cross-section space surrounded by the rear bumper cover and undercover connections. In the sensor mounting structure of the vehicle bumper of Patent Document 1, such an arrangement suppresses foreign matter from entering the arrangement area of the kick sensor.
  • An object of the present disclosure is to provide a sensor mounting structure for a vehicle bumper that can protect a sensor detection unit by a simple structure.
  • the sensor mounting structure of the vehicle bumper is a sensor mounting structure of the vehicle bumper provided with a sensor for detecting an object.
  • the sensor mounting structure of the vehicle bumper includes a support bracket that is fixed to the back surface of the bumper cover to support the sensor.
  • a holding portion for holding the detection portion of the sensor is formed on the facing surface facing the back surface of the bumper cover.
  • the sensor detection unit is arranged between the support bracket and the bumper cover while being held by the holding unit.
  • the support bracket, the detection unit, and the bumper cover are arranged in this order from above.
  • the support bracket receives the scattered objects scattered toward the support bracket as the vehicle travels.
  • the sensor detection unit can be protected by the support bracket. Therefore, the sensor detection unit can be protected by a simple structure.
  • the holding portion may be recessed on the facing surface in a direction away from the bumper cover, and may include a housing recess for accommodating the detection unit of the sensor and a holding claw for holding the detection unit in the accommodation recess.
  • the vehicle bumper may be the rear bumper at the rear of the vehicle.
  • the sensor may be a kick sensor that detects an object passing under the lower wall portion of the bumper cover.
  • the support bracket may be provided so as to face the back surface of the lower wall portion, and may be formed of a plate-shaped member that covers the back surface of the lower wall portion from above.
  • the detection unit of the sensor may be extended in the vehicle width direction between the support bracket and the lower wall portion.
  • the detection part of the kick sensor can be protected by the support bracket.
  • the lower wall portion of the bumper cover may be formed so as to be inclined downward from the rear to the front.
  • the detection unit of the sensor may be held by the support bracket with a space open from the lower wall portion.
  • the lower wall portion of the bumper cover is arranged so as to be inclined downward from the rear to the front.
  • the water flows from the rear to the front.
  • the detection unit since there is a space between the detection unit and the lower wall portion of the bumper cover, even when the bumper cover is covered with water, the water can be drained while suppressing the water coverage of the detection unit. As a result, it is easy to maintain the performance of the detection unit.
  • the support bracket may have a groove portion that is recessed upward on the facing surface and extends in the front-rear direction.
  • the ceiling portion of the groove portion may be arranged below the upper end of the detection portion of the sensor.
  • the sensor ECU may be provided on the surface of the support bracket opposite to the facing surface.
  • the support bracket may include a vertical wall portion erected upward in front of the ECU.
  • the vertical wall portion may be formed in a size that hides the ECU when viewed from the front.
  • the ECU can be arranged at a position close to the detection unit while protecting the ECU.
  • FIG. 2 is a sectional view taken along line IV-IV of FIG.
  • FIG. 2 is a sectional view taken along line VV of FIG.
  • the front-rear direction of the vehicle is referred to as Q in the drawing, and the front is referred to as F.
  • the vehicle width direction is indicated by P in the drawing, and the right side when viewed from the rear of the vehicle is indicated by R.
  • the vertical direction of the vehicle is marked as G in the drawing, and the upper direction is marked as U.
  • the sensor mounting structure 1 of the vehicle bumper is the sensor mounting structure 1 of the vehicle bumper of the vehicle C having the electric tailgate 2.
  • the sensor mounting structure 1 of the vehicle bumper includes a rear bumper cover (an example of a bumper cover) 4 provided at the rear of the vehicle, a kick sensor (an example of a sensor) 6, and a support bracket 8.
  • the tailgate 2 is supported by the body of vehicle C by hinges and dampers, and functions as a luggage compartment door.
  • the tailgate 2 can be opened and closed by an actuator (not shown).
  • an actuator for example, when the toes of the user of the vehicle C pass under the kick sensor 6 described later, the tailgate 2 is operated in the direction in which the actuator opens the tailgate 2.
  • the actuator is controlled by a control device (not shown).
  • the rear bumper cover 4 is arranged behind the vehicle C and below the tailgate 2.
  • the rear bumper cover 4 is a cover that covers a bumper that functions as a cushioning material that absorbs an impact from the rear of the vehicle C.
  • the rear bumper cover 4 has a lower wall portion 4a facing the ground Y and a rear wall portion 4b facing the rear of the vehicle C.
  • the lower wall portion 4a of the rear bumper cover 4 is arranged so as to face the ground Y and is inclined downward from the rear to the front of the vehicle C.
  • the rear wall portion 4b is connected to the lower wall portion 4a via four connection brackets 4c and extends to the vicinity of the tailgate 2.
  • the shape of the rear bumper cover 4 may be at least the lower wall portion 4a, and the shape of the rear wall portion 4b or the like may be any shape. Further, in the rear bumper cover 4, the lower wall portion 4a and the rear wall portion 4b may be integrated.
  • the kick sensor 6 has a linear first electrode (an example of a detection unit) 6a and a linear second electrode 6b (an example of a detection unit).
  • the first electrode 6a and the second electrode 6b are arranged side by side in the front-rear direction and extend in the vehicle width direction P.
  • the first electrode 6a and the second electrode 6b (hereinafter referred to as the respective electrodes 6a and 6b in the present specification) are electrically connected to the ECU (Electronic Control Unit) 6d.
  • the ECU 6d may be provided on a flat surface 8i (see FIG. 4) opposite to the facing surface 8e of the support bracket 8.
  • the facing surface 8e of the support bracket 8 is a surface facing the lower wall portion 4a of the rear bumper cover 4.
  • each of the electrodes 6a and 6b of the kick sensor 6 is formed by a linear harness in which a plurality of power lines are bundled, and an electric field is generated between the first electrode 6a and the second electrode 6b to change the electric field. Detects an object passing under the rear bumper cover 4. More specifically, as shown in FIG. 1, when the toes (not shown) of the user of the vehicle C pass further below the lower wall portion 4a of the rear bumper cover 4 extending below the kick sensor 6. The electric field between the first electrode 6a and the second electrode 6b changes. The kick sensor 6 detects that the toes have passed under the rear bumper cover 4 by detecting the change in the electric field.
  • the kick sensor 6 may be a capacitance type sensor that detects a change in capacitance between the electrodes 6a and 6b when the tip of the foot passes through.
  • the support bracket 8 is fixed to the back surface (upper surface in FIG. 1) of the lower wall portion 4a of the rear bumper cover 4 to support the kick sensor 6.
  • the support bracket 8 is provided so as to face the back surface of the lower wall portion 4a, and is formed of a plate-shaped member that covers the back surface of the lower wall portion 4a from above.
  • the support bracket 8 has a plurality of fixing portions 8a, two holding portions 8b, a plurality of groove portions 8d, and a vertical wall portion 8j.
  • the support bracket 8 is obtained by pressing a metal plate-shaped member into a substantially L-shape or a U-shape, and then pressing the fixing portion 8a, the holding portion 8b, the groove portion 8d, and the vertical wall portion 8j. Formed by doing.
  • the shape of the support bracket 8 may be formed according to the shape of the rear bumper cover 4.
  • the number of the fixing portions 8a and the groove portions 8d may be plural, and is not limited to the number described in the present embodiment.
  • the fixing portion 8a is provided to fix the support bracket 8 above the lower wall portion 4a of the rear bumper cover 4.
  • four fixing portions 8a are provided on the front side and four on the rear side of the support bracket 8.
  • the fixing portion 8a on the front side is formed by projecting the facing surface 8e of the support bracket 8 downward in a rectangular shape.
  • the rear fixing portion 8a is formed by projecting the wall surface 8f of the support bracket 8 in a rectangular shape toward the front.
  • a hole through which a stud bolt (not shown) fixed to the rear bumper cover 4 is inserted is provided in the central portion of the fixing portion 8a.
  • the support bracket 8 is fixed to the rear bumper cover 4 by inserting the support bracket 8 into a stud bolt (not shown) and tightening it with a bolt (not shown).
  • the cross-sectional view shown in FIG. 4 is an IV-IV cross-sectional view of the support bracket 8 and the kick sensor 6 in the fixed portion 8a of FIG.
  • the front fixing portion 8a projects downward, so that the support bracket 8 faces the lower wall portion 4a of the rear bumper cover 4.
  • a space X is provided between the surface 8e and the back surface of the lower wall portion 4a of the rear bumper cover 4.
  • the support bracket 8 is formed with a holding portion 8b for holding the electrodes 6a and 6b on the facing surface 8e facing the back surface of the lower wall portion 4a of the rear bumper cover 4.
  • the holding portion 8b is a state in which the electrodes 6a and 6b are held by the support bracket 8, and the electrodes 6a and 6b are arranged between the support bracket 8 and the lower wall portion 4a of the rear bumper cover 4. Holds 6a and 6b.
  • the holding portion 8b includes a housing recess 8c for accommodating the electrodes 6a and 6b of the kick sensor 6, and a holding claw 8h for holding the electrodes 6a and 6b.
  • seven holding claws 8h are provided to hold the first electrode 6a and seven to hold the second electrode 6b, for a total of 14 holding claws.
  • the holding claws 8h are formed by projecting plate-shaped holding claws 8h at two front and rear positions from the facing surface 8e of the support bracket 8 toward the lower side of each of the electrodes 6a and 6b.
  • the holding portion 8b holds the electrodes 6a and 6b from below by the holding claw 8h.
  • the two accommodating recesses 8c are arranged side by side in the front-rear direction Q and extend in the vehicle width direction P to accommodate the electrodes 6a and 6b.
  • the accommodating recess 8c is formed by recessing the facing surface 8e of the support bracket 8 in a semicircular shape in a direction away from the back surface of the rear bumper cover 4.
  • the first electrode 6a and the second electrode 6b are arranged side by side in the front-rear direction
  • the support bracket 8 and the lower wall portion 4a are arranged side by side.
  • the electrodes 6a and 6b are covered with the support bracket 8 so as to extend between the electrodes 6a and 6b in the vehicle width direction.
  • the groove portion 8d is recessed in a trapezoidal shape with the flat surface 8i on the opposite side of the facing surface 8e of the support bracket 8 facing upward and the wall surface 8f facing forward. It is formed.
  • the groove portion 8d extends in the front-rear direction Q of the vehicle.
  • two groove portions 8d are provided between the two central fixing portions 8a, and another groove portion 8d is provided on the left side thereof.
  • the number of groove portions 8d may be one or a plurality.
  • the cross-sectional view shown in FIG. 5 is a VV cross-sectional view of the support bracket 8 and the kick sensor 6 in the groove portion 8d of FIG. As shown in FIG. 5, the ceiling portion 8g of the groove portion 8d is arranged below the upper end 6c of the first electrode 6a of the kick sensor 6.
  • the vertical wall portion 8j is erected above the front F of the ECU 6d.
  • the vertical wall portion 8j is formed so as to hide the front surface of the ECU 6d when viewed from the front. By forming the vertical wall portion 8j in front F of the ECU 6d in this way, the ECU 6d can be protected from scattered objects.
  • the support bracket 8 is scattered with scattered objects such as stones. And protects each electrode 6a, 6b from scattered matter. Further, as shown in FIG. 4, the support bracket 8 is fixed by the fixing portion 8a by opening a space X between the fixing portion 8a and the lower wall portion 4a of the rear bumper cover 4.
  • a sensor mounting structure 1 for a vehicle bumper capable of protecting the electrodes 6a and 6b of the kick sensor 6 by a simple structure.
  • the kick sensor 6 attached to the rear bumper cover 4 provided at the rear of the vehicle has been described as an example, but the present disclosure is not limited to this.
  • the sensor mounting structure of the present disclosure may be used for the kick sensor for opening the sliding door of the vehicle C.
  • the electrodes 6a and 6b of the kick sensor 6 and the support bracket 8 may be extended in the front-rear direction Q.
  • Vehicle bumper sensor mounting structure 2 Tailgate 4: Rear bumper cover (bumper cover) 4a: Lower wall part 4b: Rear wall part 4c: Connection bracket 6: Kick sensor (sensor) 6a: First electrode (detection unit) 6b: Second electrode (detection unit) 6c: Upper end 6d: ECU 8: Support bracket 8a: Fixing part 8b: Holding part 8c: Accommodating recess 8d: Groove part 8e: Facing surface 8f: Wall surface 8g: Ceiling part 8h: Holding claw 8i: Flat surface 8j: Vertical wall part C: Vehicle P: Vehicle width direction Q: Direction X: Space Y: Ground

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

La structure de montage de capteur d'un pare-chocs de véhicule est pourvue d'un capteur pour détecter un objet. La structure de montage de capteur d'un pare-chocs de véhicule comprend un support de soutien qui est fixé à une surface arrière d'un capot de pare-chocs pour soutenir le capteur. Dans le support de soutien, une partie de maintien destinée à maintenir une unité de détection du capteur est formée sur une surface opposée faisant face à la surface arrière du capot de pare-chocs. L'unité de détection du capteur est disposée entre le support de soutien et le capot de pare-chocs tout en étant maintenue par la partie de maintien.
PCT/JP2021/025962 2020-09-11 2021-07-09 Structure de montage de capteur de pare-chocs de véhicule WO2022054389A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022547415A JP7435805B2 (ja) 2020-09-11 2021-07-09 車両用バンパのセンサ取付構造

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-152648 2020-09-11
JP2020152648 2020-09-11

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Publication Number Publication Date
WO2022054389A1 true WO2022054389A1 (fr) 2022-03-17

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PCT/JP2021/025962 WO2022054389A1 (fr) 2020-09-11 2021-07-09 Structure de montage de capteur de pare-chocs de véhicule

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WO (1) WO2022054389A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7482074B2 (ja) 2021-03-29 2024-05-13 ミネベアアクセスソリューションズ株式会社 動作検出装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120123649A1 (en) * 2009-07-17 2012-05-17 Huf Hulsbeck & Furst Gmbh & Co. Kg Sensor device and modular unit therefor
JP2015021238A (ja) * 2013-07-17 2015-02-02 アイシン精機株式会社 車両ドア開閉装置及びその制御方法
JP2018105711A (ja) * 2016-12-26 2018-07-05 アイシン精機株式会社 静電センサ
JP2019127804A (ja) * 2018-01-26 2019-08-01 トヨタ自動車株式会社 車両下部構造

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019158790A (ja) 2018-03-16 2019-09-19 アイシン精機株式会社 センサブラケット

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120123649A1 (en) * 2009-07-17 2012-05-17 Huf Hulsbeck & Furst Gmbh & Co. Kg Sensor device and modular unit therefor
JP2015021238A (ja) * 2013-07-17 2015-02-02 アイシン精機株式会社 車両ドア開閉装置及びその制御方法
JP2018105711A (ja) * 2016-12-26 2018-07-05 アイシン精機株式会社 静電センサ
JP2019127804A (ja) * 2018-01-26 2019-08-01 トヨタ自動車株式会社 車両下部構造

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7482074B2 (ja) 2021-03-29 2024-05-13 ミネベアアクセスソリューションズ株式会社 動作検出装置

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Publication number Publication date
JP7435805B2 (ja) 2024-02-21
JPWO2022054389A1 (fr) 2022-03-17

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