WO2007013535A1 - 側面衝突検出センサを備えた車輌のボディー構造 - Google Patents
側面衝突検出センサを備えた車輌のボディー構造 Download PDFInfo
- Publication number
- WO2007013535A1 WO2007013535A1 PCT/JP2006/314818 JP2006314818W WO2007013535A1 WO 2007013535 A1 WO2007013535 A1 WO 2007013535A1 JP 2006314818 W JP2006314818 W JP 2006314818W WO 2007013535 A1 WO2007013535 A1 WO 2007013535A1
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- WO
- WIPO (PCT)
- Prior art keywords
- detection sensor
- collision detection
- side collision
- body structure
- sensor according
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0132—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
- B60R21/01332—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value by frequency or waveform analysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
-
- 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
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/042—Reinforcement elements
- B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
- B60J5/0423—Elongated type elements, e.g. beams, cables, belts or wires characterised by position in the lower door structure
- B60J5/0427—Elongated type elements, e.g. beams, cables, belts or wires characterised by position in the lower door structure the elements being arranged along the lower edge of door
-
- 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
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/042—Reinforcement elements
- B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
- B60J5/0438—Elongated type elements, e.g. beams, cables, belts or wires characterised by the type of elongated elements
- B60J5/0443—Beams
- B60J5/0444—Beams characterised by a special cross section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/04—External Ornamental or guard strips; Ornamental inscriptive devices thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/157—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body for side impacts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
- B62D25/025—Side sills thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/04—External Ornamental or guard strips; Ornamental inscriptive devices thereon
- B60R2013/046—Foot boards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R2021/0002—Type of accident
- B60R2021/0006—Lateral collision
Definitions
- the present invention relates to a vehicle body structure suitable for detecting a side collision at a position shifted from a pillar using a side collision detection sensor provided on a pillar side.
- a head protection airbag device that deploys an airbag in the form of a curtain below a roof side rail at the time of a side collision has been incorporated into a side bag side portion of a head protection airbag device.
- Side airbag devices that deploy bags between the passenger's chest and side doors have come to be installed.
- a side collision detection sensor for detecting a side collision state.
- This sensor is generally a center pillar ( It is arranged on the inside lower side of the B pillar.
- Japanese Patent No. 3 4 8 4 9 2 5 discloses a body structure for shortening the detection time by a side collision detection sensor disposed inside this type of center pillar.
- a reinforcing member having an L-shaped cross section is set in the lower part of the front side door.
- the reinforcing member has a predetermined dimension in the front-rear direction of the door, and transmits an acceleration from the lower part of the front side door to the reinforcing member at the time of a side collision (oblique collision) with the front side door.
- a side collision oblique collision
- Japanese Patent No. 3 4 8 4 9 2 5 in the case of a pole side collision to the side door, especially a pole side collision from an oblique direction, it is arranged in the center pillar. Since the acceleration transmitted to the installed side collision detection sensor is small, the collision detection time using the side collision detection sensor becomes longer. Therefore, on The body structure disclosed in Japanese Patent No. 3 4 8 4 9 2 5 has room for improvement in this respect.
- the present invention includes a side collision detection sensor that can reliably detect a pole side collision to a side door, particularly a side collision detection sensor provided on the pillar side from an oblique direction.
- the purpose is to obtain a body structure.
- a first aspect of the present invention includes a side door that opens and closes a door opening on a vehicle body side, a mouth force disposed along a vehicle front-rear direction on a lower edge side of the door opening, and a longitudinal direction of the mouth force.
- a side collision detection sensor configured to include a pillar mounted with a side collision detection sensor that detects a side collision state from acceleration at a predetermined position on the lower side while rising from a predetermined position in the direction.
- Vehicle width in at least one of the vehicle width direction outside of the portion corresponding to the side portion of the seated occupant in the longitudinal direction of the locking force and the inside of the exterior member covering the outside portion of the locking force. It is characterized by the provision of an impact transmission member that protrudes a predetermined length in the direction and transmits the impact at the time of a side collision to the side collision detection sensor.
- a body structure including the side collision detection sensor according to the first aspect, wherein the side door includes a beam-shaped strength member extending over a substantially entire length along a front-rear direction of the door.
- the collision transmission member is configured to collide with a colliding body through the side door until the end of the input, which is a da limit.
- the input to the side collision detection sensor when only the catching member is provided without providing the impact transmission member, the input to the side collision detection sensor.
- Waveform of acceleration and the impact without providing the reinforcing member The reinforcing member so that the peak value of the combined wave obtained by combining the waveform of acceleration input to the side collision detection sensor when only the transmission member is provided appears earlier than the end of the input. Further, the relative relationship of the impact transmission member is set.
- the impact transmission member has a substantially U-shaped or substantially hat-shaped cross section.
- the protruding portion is fixed to the outer surface in the vehicle width direction of the mouth force so that the protruding portion faces the outer side in the vehicle width direction.
- the impact transmission member has a substantially U-shaped or substantially hat-shaped cross-section.
- the protruding portion is provided on the inner surface of the exterior member so as to face the inner side in the vehicle width direction.
- the exterior member is made of resin, and the impact transmission member is the exterior member. It is a rib-like protrusion part formed integrally with the above.
- a collision body such as a pole collides with the side door and It collides with an impact transmission member provided on the outside in the width direction, on the inside of the exterior member of the locking force, or both. Since the impact transmission member protrudes a predetermined length in the vehicle width direction, the colliding body quickly collides with the impact transmission member via the side door and transmits the impact to the lock force. That is, when the collision body collides with the impact transmission member via the side door, a sudden acceleration is generated, and this sudden acceleration (sensor G) is attached to a predetermined position on the lower side of the pillar via the rocker.
- the side collision state is detected by the side collision detection sensor.
- a side collision in which the colliding body does not directly collide with the pillar for example, a side collision at a position shifted back and forth with respect to the pillar, or a side collision from an oblique direction.
- the beam-shaped reinforcing member is suspended in the side door over substantially the entire length along the door front-rear direction.
- the side collision detection by the side collision detection sensor is completed between the start of input and the end of input, which is the sensor limit for properly operating the occupant protection device.
- the acceleration waveform input to the side collision detection sensor when only the reinforcing member that collides first through the collision body and the side door is set. Then, when only the impact transmission member that collides with the collision object is set, and the acceleration waveform input to the side collision detection sensor is combined, the peak value of the combined wave is obtained.
- This peak value is roughly the peak value of acceleration due to the provision of the reinforcing member (although there is a minute time lag) and the acceleration due to the provision of the impact transmission member (that is, the colliding body It shows a high value because it is added to the peak value of the sudden acceleration (sensor G)) that occurs when it collides with the impact transmission member via the sensor, and helps detection (sensing) by the side collision detection sensor. .
- the relative relationship between the reinforcing member and the impact transmission member is set so that the peak value of the composite wave appears for a predetermined time before the end of input, side collision detection is performed.
- the detection of the side collision state by the sensor is completed at a relatively early time from the start of input.
- the impact transmission member whose cross-sectional shape is substantially U-shaped or substantially hat-shaped is fixed to the outer surface in the vehicle width direction of the strength member called mouthpiece. Therefore, the acceleration generated when the colliding body collides with the impact transmission member is stabilized. Moreover, since the impact transmission member is arranged so that the protruding portion faces outward in the vehicle width direction, the impact transmission member The collision detection direction is also stable. In other words, it is possible to remove the cause of error such as the collision detection direction deviating when the collision object collides.
- the impact transmission member having a substantially U-shaped or substantially hat-shaped cross section is provided on the inner surface of the exterior member so that the protruding portion faces inward in the vehicle width direction. Therefore, the collision body first collides with the exterior member, and then the impact transmission member provided on the inner surface of the exterior member abuts against the locking force to transmit the acceleration to the side collision detection sensor. Become.
- the rib-like protrusion as the impact transmission member is provided by integral molding on the resin exterior member, the set number, plate thickness, shape, hardness, etc. are arbitrarily tuned. be able to.
- the impact that protrudes by a predetermined length in the vehicle width direction on at least one of the outer side of the exterior force member that covers the outside of the mouth force in the vehicle width direction and the outside of the mouth force Since the transmission member is provided, sudden acceleration occurs when the colliding body collides with the impact transmission member, and this can be transmitted to the side collision detection sensor via the rocker and pillar. Therefore, it is possible to obtain an excellent effect that the side collision detection sensor provided on the pillar side can reliably detect the side collision of the pole to the side door, particularly the side collision of the pole from an oblique direction. .
- the shock transmission member collides with the collision body between the start of input of acceleration by the reinforcing member provided in the side door and the end of input which is the sensor limit. Even in the case of a side collision that is difficult to detect, such as a pole side collision from an oblique direction, an excellent effect can be obtained that it can be detected quickly and reliably by the side collision detection sensor provided on one side of the leaflet.
- the pole side from the oblique direction is set. An excellent effect is obtained that a side collision detection sensor provided on the pillar side can detect a side collision that is difficult to detect, such as a bump, more quickly.
- the impact transmission member having a substantially U-shaped or substantially hat-shaped cross section is provided on the outer side in the vehicle width direction of the mouth force so that the protruding portion faces outward in the vehicle width direction. Since fixed to the surface, in the fifth aspect of the superior ⁇ present invention the effect is obtained that it is possible to increase the acceleration input to the side impact detection sensor via impact transmission member reliability (detection precision) Since the impact transmission member is provided on the inner surface of the exterior member, productivity and assembly can be improved compared to the case where the impact transmission member is set on the mouthpiece side which is a strength member. An effect is obtained.
- the exterior member is made of resin, and the rib-like protruding portion as the impact transmission member is provided by integral molding, an excellent effect that load control is easy is achieved. can get.
- FIG. 1 is a cross-sectional view taken along line 11 of FIG. 2 showing an enlarged main part of the first embodiment.
- FIG. 2 is a schematic perspective view of the body structure around the front side door according to the first embodiment.
- Fig. 3 is a plan view showing the location of the bracket shown in Fig. 1 in relation to the passenger.
- FIG. 4 is a GS diagram when the body structure including the side collision detection sensor according to the first embodiment is used. .
- FIG. 5 is a longitudinal sectional view corresponding to FIG. 1 showing an example in which an impact transmission member is set on the mouth cap mall side according to the second embodiment.
- FIG. 6 is a longitudinal sectional view corresponding to FIG. 1 showing an example in which impact transmission members are set on both the mouth counter panel side and the rocker molding side according to the second embodiment.
- FIG. 7 is a longitudinal sectional view corresponding to FIG. 1 showing an example in which a rocker beam is set on the mouth counter panel side according to the second embodiment.
- FIG. 8 is a longitudinal sectional view corresponding to FIG. 1 showing an example in which a rocker beam is set on the rocker molding side according to the second embodiment.
- FIG. 9 is a longitudinal cross-sectional view corresponding to FIG. 1 showing an example in which the mouth cover beam is set on both the mouth counter panel side and the mouth cover molding side according to the second embodiment.
- FIG. 10 is a longitudinal sectional view corresponding to FIG. 1 showing an example in which a rib integrally formed with a mouth force mall is set on the side of the lock force mall according to the second embodiment.
- FIGS. 1-10 A first embodiment of a vehicle body structure provided with a side collision detection sensor according to the present invention will be described below with reference to FIGS.
- the arrow FR appropriately shown indicates the vehicle front side
- the arrow UP indicates the vehicle upper side
- the arrow IN indicates the vehicle width direction inner side
- the arrow OUT indicates the vehicle width direction. The outside is shown.
- FIG. 2 shows a schematic perspective view of the body structure around the front side door of the vehicle.
- the vehicle body side section 10 is formed with a door opening 14 that is opened and closed by a front side door 12 (see FIG. 1).
- a rocker 16 having a closed cross-sectional structure extending along the vehicle front-rear direction is disposed.
- a front pillar 18 having a closed cross-section structure is erected substantially along the vehicle vertical direction at the front side of the door opening 14, and a center pillar having a closed cross-section structure is provided behind the door opening 14.
- 20 is erected substantially along the vertical direction of the vehicle.
- the rocker 16, the front pillar 18 and the center pillar 20 are all vehicle frame members.
- a side collision detection sensor 22 for detecting a side collision state is attached to a predetermined position below the center pillar 20 described above via a mounting bracket (not shown).
- a mechanical acceleration sensor is used as the side collision detection sensor 22.
- FIG. 1 shows a longitudinal sectional view of the rocker 16 located at the door opening 14 described above.
- the rocker 16 is formed in a substantially hat-shaped cross section and arranged on the outside of the passenger compartment, and the rocker 16 is formed in a substantially hat-shaped cross section and disposed on the vehicle interior side.
- the main part is composed of a mouth-inner panel (not shown) and a scissor-shaped panel 26 having a bowl-like cross section fitted on the upper side of the mouth counter panel 2.4.
- the mouth counter panel 24 and the rocker inner panel form a closed cross-sectional structure, and in the cross-sectional position in FIG.
- the simu- ter panel 26 is intermediate in the height direction of the side wall 2 4 A of the mouth counter panel 24.
- the length of the part However, it extends to the lower end of the side wall 2 4 A of the mouth counter panel 24 at another cross-sectional position.
- a resin rocker molding 28 is attached to the outside of the mouth counter panel 24 described above with a clip 30.
- a clip 30 In the cross-sectional position shown in FIG. 1, only the inner end of the mouthpiece molding 28 is fixed with the clip 30. However, in the other sectional position, the inner end of the mouthpiece molding 28 and the vicinity of the upper end are provided. It is fixed with a clip in two places above and below the part.
- the front side door 12 is mainly composed of a door-outer panel 3 4 and a door inner panel 3 6, and a side wall portion 2 8 of the mouthpiece mall 2 8.
- A is rounded along the outer shape of the doorouter panel 34.
- an impact beam 38 as a reinforcing member is stretched along the longitudinal direction of the door.
- the impact beam 38 is a pipe-like member having a predetermined strength and rigidity, and both end portions in the longitudinal direction are fixed to the front end portion and the rear end portion of the door inner panel 36.
- the impact beam 38 is drawn at a position lower than the actual position using an ellipsis. Further, the rear end portion of the impact beam 38 overlaps the center pillar 20 in a side view of the vehicle, so that an impact force at the time of a side collision is transmitted.
- the impact beam 38 may be a pipe-shaped member, but may be a bar-shaped member, and the number of installed beams may be one or plural.
- bracket 40 is disposed outside the lower portion of the side wall portion 24 A of the mouth counter panel 24 of the rocker 16 and has a substantially hat shape. Is formed. That is, bracket 40 has a U-shaped cross section Body part 4 OA formed in a shape, upper end flange part 40 B bent from the upper end part of this body part 40 A to the upper side of the vehicle, and vehicle width direction as it is from the lower end part of body part 4 OA And a lower end flange portion 40 C extended inward.
- the upper end flange portion 40 B is sandwiched between the side wall portion 24 A of the mouth counter panel 24 and the lower end portion 26 A of the cycler panel 26 and is joined by spot welding in a three-ply state. ing.
- the lower end flange portion 40 C is joined to the lower wall 24 B of the mouth counter panel 24 by spot welding.
- the bracket 40 when the bracket 40 is fixed to the lower portion of the side wall 2 4 A of the mouth counter panel 2 4, the main body of the bracket 40 starts from the outer end of the outer peripheral surface of the impact beam 3 8. 4 Assuming that the distance to OA is A, the protruding length of the bracket 40 from the side wall portion 24 A of the outer panel 34 to the vehicle width direction outside is set to B. The distance B needs to be long enough so that the doorouter panel 3 4 does not interfere with the side wall 2 8 A of the rocker molding 28. How should this distance B be set in relation to the distance A? Thus, it is possible to change the transmission performance of the collision load at the time of a side collision to the side collision detection sensor 22.
- the bracket 40 is a steel plate bracket formed by press forming.
- the present invention is not limited to this, and the impact transmission performance required for the bracket 40 is not limited to an aluminum alloy extruded product or a manufactured product. Can be applied as long as
- the bracket 40 described above starts from the start of input (point c in FIG. 4) when acceleration starts to be input from the impact beam 38 to the side collision detection sensor 22 through the center pillar 20 during a side collision.
- the bracket 40 described above starts from the start of input (point c in FIG. 4) when acceleration starts to be input from the impact beam 38 to the side collision detection sensor 22 through the center pillar 20 during a side collision.
- the end of the input which is a sensing limit (indicated by the alternate long and short dash line Z in Fig. 4) for operating the head protection airbag device and side airbag device, which are occupant protection devices, using the side collision detection sensor 22 Until the point (g point in FIG. 4), the main body 4 OA of the bracket 40 is set to collide with
- the side collision detection sensor 22 should detect the side collision state. Can do.
- the bracket 40 that protrudes outward in the vehicle width direction is installed at the outer lower portion of the mouth counter panel 24, so that the following effects can be obtained. .
- the colliding body 4 2 first collides with the door outer panel 3 4 of the front side door 1 2. (Point a in Fig. 4), after deforming it inward in the vehicle width direction, it collides with the impact beam 38 (point b in Fig. 4). From point a to point b, it is the time during which the colliding body 42 is idle.
- the broken line graph (1) in Fig. 4 shows G (sensor acceleration) when only the impact beam 3 8 is installed in the front side door 1 2 and no bracket 40 is installed.
- thin line graph (2) is a GS diagram when only bracket 40 is set to rocker 16 without providing impact beam 38, bold line
- the graph (3) is a GS diagram in the case of this embodiment provided with both the impact beam 38 and the bracket 40. In graph (2), only the characteristic part of the waveform is picked up and added separately at a position away from graph (1).
- the impact beam 3 8 begins to squeeze inward in the vehicle width direction. Impact beam 3 8 begins to bend. Acceleration input to the center pillar 20 and eventually the side collision detection sensor 2 2 is started via the cut beam 3 8. Then, at the point d in the graph (1), the amount of stagnation of the impact beam 38 is maximized and the sensor G is also maximized.
- the collision body 42 collides with the main body 4 OA of the bracket 40 at substantially the same time as the input to the center pillar 20 via the impact beam 38 is started (that is, substantially simultaneously with the point c). .
- the GS characteristics of the bracket 40 alone have a peak value (point e) comparable to that of the impact beam 38 as shown in the graph (2).
- point e peak value
- the graphs (1) and (2) which are both G-S characteristics, are based on the principle of overlapping.
- graph (3) of this embodiment is obtained. That is, the impact beam 38 is sufficiently swept and the bracket 40 is also sufficiently deformed, resulting in rapid deceleration, which is the peak value (d point) in the graph (1) and the peak in the graph (2).
- the peak value (point f) is obtained by adding the value (point e).
- the side collision detection sensor 22 can detect the side collision state from the peak value (point f).
- point c in FIG. 4 corresponds to “at the start of input” in the second embodiment of the present invention
- point g corresponds to “at the end of input”.
- the impact beam 3 8 and the bracket 40 are set so that the peak value (point f) appears earlier than the end of input (point g) for a predetermined time.
- Relative relationships (distance between distance A and distance B, impact beam 38, plate thickness of bracket 40, material, strength, rigidity, etc.) are set.
- the “predetermined time” here means that the time from point c to point g is assumed to be s, and at least s X (1/1 0) faster than the sensor limit ( Z line). It is recommended that the value f appears. Preferably, the peak value f should appear earlier than s X (1/4) to s X (1/3).
- the values of s X (1/1 0) and s X (1/4) to s X (1/3) are based on the situation that the occupant protection device is appropriately operated at the time of a side collision.
- the effect can be expected if the peak value (f point) can be generated as early as (1/1 0) from the end of the input (g point), s X (1/4) to s X (1 / 3) This means that if the peak value (point f) can be generated early from the end of input (point g), the effect is clear.
- the bracket 40 that projects a predetermined length in the vehicle width direction is disposed outside the rocker 16 in the vehicle width direction. Therefore, when the colliding body 42 collides with the bracket 40, rapid deceleration occurs, and this can be transmitted to the side collision detection sensor 22 via the rocker 16 and the center pillar 2 °. Therefore, a pole side collision to the front side door 12, particularly a pole side collision from an oblique direction, can be reliably detected by the side collision detection sensor 22 provided on the center pillar 20 side.
- the bracket between the start of acceleration input (point c) through the impact beam 38 provided in the front side door 12 and the end of input (g point), which is the sensor limit (Z line). 40 is configured to collide with the colliding body 42, so even if it is difficult to detect a side collision such as a pole side collision from the tilting direction, the side collision detection sensor 22 provided on the center pillar 20 side can It can be reliably detected.
- the relative relationship between the impact beam 38 and the bracket 40 is set so that the peak value (point f) in the graph (3) appears a predetermined time earlier than the end of input (point g).
- Side collisions that are difficult to detect can be detected more quickly by the side collision detection sensor 22 provided on the center pillar 20 side.
- the metal bracket 40 whose cross-sectional shape is substantially hat-shaped is made strong so that the main body 4OA faces the outside in the vehicle width direction. It is fixed to the outer surface in the width direction of both sides Therefore, the acceleration input to the side collision detection sensor 22 via the bracket 40 is stabilized.
- the mounting state of the bracket 40 to the rocker 16 is stable, it is possible to eliminate an error generating factor such as a shift in the collision detection direction when the collision body 42 collides. As a result, the reliability (detection accuracy) of side collision detection by the side collision detection sensor 22 can be improved.
- the embodiment shown in FIG. 5 is characterized in that a bracket 50 having a hat-shaped cross section is attached to the inside of the side wall portion 28 A of the rocker molding 28 as an exterior member that covers the outside of the mouth counter panel 24.
- the bracket 50 is composed of a U-shaped main body 50 A, an upper end flange 50 0 B, and a lower end flange 50 C directed toward the side wall 24 A of the mouth counter panel 24. .
- the distance from the U-shaped main body 5 of the bracket 5 0 to the side wall 2 4 A of the mouth counter panel 24 4 corresponds to the distance A of the first embodiment described above, and from the outer end of the impact beam 38 to the main body
- the distance of the part 50 A to the top wall corresponds to the distance B of the first embodiment described above.
- the bracket 50 whose cross-sectional shape is substantially hat-shaped, the inner side of the side wall portion 28 A of the mouthpiece mall 28 so that the U-shaped main body 50 A faces the inner side in the vehicle width direction.
- the colliding body 4 2 first collides with the rocker molding 28, and then the bracket 50 collides with the side wall 2 4 A of the mouth counter panel 24 and accelerates through the center pillar 2 0. Is transmitted to the side collision detection sensor 22.
- the clip assembly 30 on which the bracket 50 is attached in advance at the vehicle assembly site can be fixed to the side wall of the mouth counter panel 28 with the clip 30. Since the mounting of the bracket 50 is also completed, assembly and productivity can be improved as compared with the case where the bracket is set on the rocker 16 side which is a strength member.
- brackets 40 and 50 are set on both sides.
- the embodiment shown in FIG. 7 is characterized in that a pipe-like rocker beam 52 corresponding to an impact beam is set on the mouth counter panel 24 side instead of a bracket having a cross-sectional shape.
- the rocker beam 52 is attached to the outer side in the vehicle width direction of the mouth counter panel 24 by a clamp-shaped bracket 40 '.
- the bracket 40 0 ′ has an arcuate cross section in which the shape of the main body 40 A ′ can be fitted on the rocker beam 52 as compared to the bracket 40 having a substantially hat shape in the first embodiment described above.
- the functions are different from each other, the function of each part is not different from that of bracket 40, so the part is marked with “'”.
- the embodiment shown in FIG. 8 is characterized in that the rocking beam 52 is disposed inside the side wall portion 28A of the rocker molding 28.
- a resin mounting base 54 is used in order to set the mouth beam 5 2 on the Rocker Mall 28 side. Therefore, the basic performance is the same as the configuration shown in FIG. 5, and the performance of using the rocker beam 52 is the same as that shown in FIG. Note that the dimensioning relationship between A and B is the same as in FIG.
- the basic performance is the same as the configuration shown in FIG. 6, and the performance of using the rocker beam 52 is the same as that shown in FIG.
- the dimensioning relationship between A and B is the same as in the case of FIG.
- the embodiment shown in FIG. 10 is the same as the case of FIG. 5 in that an impact transmission member is set on the inner side surface of the side wall portion 2 8 A of the mouthpiece molding 28, but in this embodiment, It is characterized in that a resin rib 56 as an impact transmission member is formed integrally with the mouth cap mol 28 using the fact that Rocca Mall 28 is made of resin.
- the cross-sectional shape of the rib 5 6 is substantially trapezoidal, but is not limited to this and may be other shapes.
- the ribs 56 may be erected independently from the inner surface of the side wall portion 28A at predetermined intervals in the vehicle longitudinal direction, or the adjacent ribs 56 may be connected in the vehicle longitudinal direction. Further, a single (continuous) rib may be set in the longitudinal direction of the vehicle. In that case, it may be hollow or solid.
- the resin ribs 5 6 are integrally formed on the resin rocker molding 28, the set number of ribs 56, plate thickness, shape, hardness, etc. are arbitrarily selected to some extent can do. Therefore, there is an advantage that the performance as an impact transmission member can be arbitrarily tuned.
- the present invention is applied to the front side door 12 side as an example.
- the present invention is not limited to this, and the present invention may be applied to the rear side door side.
- the present invention is not limited to this, and the impact beam is arranged in the side door.
- the present invention can also be applied to vehicles that are not used.
- the material, shape, dimensions, hardness, installation range, etc. of the impact transmission member may be selected so that the acceleration (sensor G) of the impact beam 38 is also expected (taken in) on the impact transmission member side.
- the present invention is applied to the configuration in which the side collision detection sensor 22 is disposed in the center pillar 20.
- the present invention is not limited to this, and the quarter pillar (C pillar) or the front You may apply this invention with respect to the structure which arrange
- the side collision detection sensor provided in the center pillar handles the side collision of the front half of the rear side door ( Detection)
- the side collision of the rear half of the rear side door may be dealt with (detected) by the side collision detection sensor installed in the quarter pillar. In this case, the same problem was placed in the quarter tower. Since it occurs in the relationship with the side collision detection sensor, it is very significant if the present invention is applied.
- the term “appropriately” in the second aspect of the present invention means that, for example, if the occupant protection device is a head protection airbag device, the side of the occupant's head This means that the airbag can be deployed without delay. “Sensing limit” does not mean the latest time to activate the occupant protection device, but the latest time required to “operate” the occupant protection device. Industrial applicability
- a body structure including a side collision detection sensor that can reliably detect a pole side collision to the side door, particularly a side collision detection sensor provided on the pillar side from an oblique direction, can be obtained.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Air Bags (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006800273479A CN101233018B (zh) | 2005-07-27 | 2006-07-20 | 配备有侧面碰撞检测传感器的车辆的车身结构 |
CA2616791A CA2616791C (en) | 2005-07-27 | 2006-07-20 | Body structure of vehicle having side-collision detection sensor |
DE602006020144T DE602006020144D1 (de) | 2005-07-27 | 2006-07-20 | Karosseriestruktur eines fahrzeugs mit seitenkollisionserfassungssensor |
US11/989,419 US7884704B2 (en) | 2005-07-27 | 2006-07-20 | Body structure of vehicle having side-collision detection sensor |
AU2006273231A AU2006273231B2 (en) | 2005-07-27 | 2006-07-20 | Body structure of vehicle having side-collision detection sensor |
EP06781730A EP1908642B1 (en) | 2005-07-27 | 2006-07-20 | Body structure of vehicle having side-collision detection sensor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-218057 | 2005-07-27 | ||
JP2005218057A JP4186967B2 (ja) | 2005-07-27 | 2005-07-27 | 側面衝突検出センサを備えたボディー構造 |
Publications (1)
Publication Number | Publication Date |
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WO2007013535A1 true WO2007013535A1 (ja) | 2007-02-01 |
Family
ID=37683426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/314818 WO2007013535A1 (ja) | 2005-07-27 | 2006-07-20 | 側面衝突検出センサを備えた車輌のボディー構造 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7884704B2 (ja) |
EP (1) | EP1908642B1 (ja) |
JP (1) | JP4186967B2 (ja) |
KR (1) | KR100966946B1 (ja) |
CN (1) | CN101233018B (ja) |
AU (1) | AU2006273231B2 (ja) |
CA (1) | CA2616791C (ja) |
DE (1) | DE602006020144D1 (ja) |
TW (1) | TWI293930B (ja) |
WO (1) | WO2007013535A1 (ja) |
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JP5847306B2 (ja) * | 2012-05-22 | 2016-01-20 | 本田技研工業株式会社 | 車体側部構造 |
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JP5632443B2 (ja) * | 2012-11-27 | 2014-11-26 | 株式会社豊田自動織機 | 車両用外装部材の取付構造 |
RU2593177C1 (ru) * | 2012-11-30 | 2016-07-27 | Тойота Дзидося Кабусики Кайся | Конструкция нижней части кузова автотранспортного средства с датчиком бокового удара |
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US9758192B2 (en) | 2015-05-11 | 2017-09-12 | Ford Global Technologies, Llc | Underbody structure for absorbing energy to improve roof structure integrity during side impact |
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Also Published As
Publication number | Publication date |
---|---|
AU2006273231A1 (en) | 2007-02-01 |
KR20080006009A (ko) | 2008-01-15 |
CA2616791A1 (en) | 2007-02-01 |
EP1908642B1 (en) | 2011-02-16 |
TWI293930B (en) | 2008-03-01 |
KR100966946B1 (ko) | 2010-06-30 |
CN101233018A (zh) | 2008-07-30 |
CA2616791C (en) | 2011-02-08 |
JP4186967B2 (ja) | 2008-11-26 |
EP1908642A1 (en) | 2008-04-09 |
US7884704B2 (en) | 2011-02-08 |
JP2007030721A (ja) | 2007-02-08 |
EP1908642A4 (en) | 2009-11-11 |
TW200714501A (en) | 2007-04-16 |
US20090033476A1 (en) | 2009-02-05 |
DE602006020144D1 (de) | 2011-03-31 |
CN101233018B (zh) | 2011-05-11 |
AU2006273231B2 (en) | 2009-09-03 |
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