CN108657097A - A kind of Liftable type front bumper arrangement and its automobile - Google Patents
A kind of Liftable type front bumper arrangement and its automobile Download PDFInfo
- Publication number
- CN108657097A CN108657097A CN201810378039.5A CN201810378039A CN108657097A CN 108657097 A CN108657097 A CN 108657097A CN 201810378039 A CN201810378039 A CN 201810378039A CN 108657097 A CN108657097 A CN 108657097A
- Authority
- CN
- China
- Prior art keywords
- front bumper
- pedestrian
- execution unit
- vehicle
- liftable type
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- 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
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/38—Arrangements for mounting bumpers on vehicles adjustably or movably mounted, e.g. horizontally displaceable for securing a space between parked vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
Abstract
The present invention provides a kind of Liftable type front bumper arrangement and its automobile, Liftable type front bumper arrangement includes vehicle chassis, front bumper and control unit and execution unit；The front bumper is arranged on the vehicle chassis in which can rise and fall；Described control unit sends out instruction before vehicle will collide pedestrian for setting pedestrian automatically to the execution unit, and lifts or fall the front bumper by the execution unit.Present inventive concept is ingenious, automatically reduces bumper with before pedestrian collision in automobile, and then prevents bumper from directly hitting the lower limb of pedestrian, the knee joint position for directly hitting pedestrian is especially avoided, to farthest reduce the personal injury for being hit pedestrian.
Description
Technical field
The present invention relates to field of automobile, more particularly, to a kind of Liftable type front bumper arrangement and its vapour
Vehicle.
Background technology
The front bumper of normal domestic use passenger car is all fixed position at present, but due to being limited to wanting for passability
It asks, there is the height of 300mm or so on general front bumper citing ground, and for SUV then highers, this is collided in actual passenger car
In the accident of pedestrian, for front bumper to being hit the lower limb of pedestrian, especially kneed injury is very big, in low speed collision,
There are many case where ligament injury and focile are fractured.
Support device is all that support member is directly fixedly installed to front bumper lower part under the front bumper of the prior art.
Such as：Support device under a kind of bumper is disclosed in the patent of invention application No. is CN201410720687.6, it should
Support device includes adjustable for height supporting rod under bumper, and the lower section of supporting rod is arranged stand bar seat, is put in vertical direction
It is placed on ground, the tapered pin hole with bumper of middle part of supporting rod coordinates, the front end edge placement setting of supporting rod
For " V " shape suspension hook, " V " shape suspension hook is connect with bumper lower end, and the rear end of supporting rod is provided with cylinder positioning column, positioning
The shaft core of column is arranged along vertical direction, and locking hole is provided in the stand bar seat, and setting multiple tracks is reinforced on the middle and lower part of supporting rod
Muscle, reinforcing rib connect bumper beam by locking hole.The bumper of the patent is provided with support member, simple in structure,
Bumper is connected with underbody, achievees the purpose that protect pedestrian body safety, convenient for disassembly and assembly, the stabilizer blade of supporting rod bottom end can
The reliability for ensureing support, need to be jacked up vehicle using jack, the apparatus structure is simple, not limited by the field.
It is for another example disclosed in the patent application application No. is CN201320869793.1 a kind of applied to bumper
Support member under the bumper of technical field；The hardware body of support member is plate structure, portion under the bumper
Part ontology includes member forward end portion, and the edge placement of component middle part, the member forward end portion is set as arcuate structure, component
Front end is connect with bumper lower end, and the component middle part is connect with water tank bottom end rail, the bumper in patent
Lower support member is connect by hardware body with bumper and underbody, respectively in pedestrian and automobile front beam portion
When position collides, pedestrian's knee destructive damage (ligament, knee joint) can be reduced, the risk of fracture of tibia can be also reduced,
To really reduce pedestrian lower leg collision damage, achieve the purpose that protect pedestrian body safety.
A kind of bumper buffer unit is disclosed in the patent application application No. is CN201720093510.7 and is had
Its vehicle；Wherein bumper buffer unit includes：Lower supporting beam and lower supporting beam connecting bracket, lower supporting beam are arranged in preceding guarantor
The lower section of dangerous thick stick, and lower supporting beam is bonded with the inner surface of front bumper；And lower supporting beam by lower supporting beam connecting bracket with
Engine room frame is fixedly connected.The bumper buffer unit of patent document can when automobile front beam position bumps against pedestrian lower leg,
Effective protection pedestrian lower leg preserves from, while the apparatus structure is simple, easy to install and use.
Invention content
The purpose of the present invention is to provide a kind of Liftable type front bumper arrangement, front bumper bottom end rail can in the structure
Lifting setting, automatically reduces bumper with before pedestrian collision in vehicle, and then prevent bumper from directly hitting pedestrian's
Lower limb especially avoid the knee joint position for directly hitting pedestrian, to farthest reduce the personal injury for being hit pedestrian.
Another object of the present invention is to provide a kind of automobile with above-mentioned Liftable type front bumper arrangement, the automobiles
Front bumper bottom end rail liftable setting, bumper is reduced automatically with before pedestrian collision in automobile, and then prevent from protecting
Dangerous thick stick directly hits the lower limb of pedestrian, the knee joint position for directly hitting pedestrian is especially avoided, to farthest reduce
Hit the personal injury of pedestrian.
To achieve the above object, a kind of Liftable type front bumper arrangement provided by the invention, including：It is vehicle chassis, preceding
Bumper and control unit and execution unit；
The front bumper is arranged on the vehicle chassis in which can rise and fall；
Described control unit sets pedestrian for automatic, and is sent out to the execution unit before vehicle will collide pedestrian
Go out instruction, and lifts or fall the front bumper by the execution unit.
Present inventive concept is ingenious, automatically reduces bumper with before pedestrian collision in automobile, and then prevent bumper
The lower limb for directly hitting pedestrian especially avoid the knee joint position for directly hitting pedestrian, are hit to farthest reduce
The personal injury of pedestrian.
Further, further include bottom end rail, the bottom end rail is liftable or is arranged on the vehicle chassis with falling,
The front bumper is arranged on the bottom end rail.
Further, the front bumper is removably disposed on the bottom end rail.
Further, further include connecting rod, described connecting rod one end is articulated on the vehicle chassis, and the other end is to vehicle
Front is stretched out to be connect with the bottom end rail, and connecting rod pitch angle is adjustable.
Further, the execution unit is motor, cylinder or hydraulic cylinder etc..
Wherein it is preferred to which the executable unit is motor, the motor is connected by deceleration transmission component and the connecting rod
It connects, the pitch angle for adjusting connecting rod, and then falls or lift the front bumper.
Further, described control unit includes：Controller, camera and image processing unit, the camera setting
It is used to capture the image information of vehicle front in the vehicle front side；
Described image processing unit identifies that the body of pedestrian is special for receiving described image information from image information
Sign；
Described image processing unit is connect by controller with the execution unit, and the controller executes list for controlling
The startup or closing of member.
When execution unit is motor, controller is then electric machine controller.
Further, described control unit further includes the distance measuring sensor on the setting front bumper, for monitoring row
People is at a distance from the front bumper.
Wherein, the prior art may be used in image processing unit and distance measuring sensor, and the two is used in combination, can effectively know
Do not go out the pedestrian information that will be collided, including pedestrian between vehicle at a distance from.As vehicle front pedestrian and the vehicle in traveling
Distance it is close enough when, control unit sends out signal to the execution unit, and execution unit is according to signal automatically by front bumper
Ideal height is dropped to, the injury to pedestrian lower leg is reduced.
Further, for vehicle with before pedestrian collision, described control unit sends out signal to the execution unit, executes
The front bumper is dropped to ideal height by unit automatically according to signal, and the ideal height is pedestrian's knee with down toward ankle
Above height and position.
Further, described control unit includes：Controller；The AEB active safety systems of the controller and vehicle connect
It connects, the controller is connect with the execution unit；
When emergency brake of vehicle, controller controls the execution unit action according to brake signal and falls the front bumper
Under.
AEB active safety systems include control module, range finder module and brake module；The range finder module includes microwave thunder
It reaches, camera and face identification unit, for providing the real-time image of road ahead and traffic information.
In vehicle travel process, pedestrian's automatic emergency brake system (AEB automobile active safety systems) of automobile identifies
When being likely to collide pedestrian to vehicle, AEB automobile active safety systems can send out control instruction to automobile bus, at this time (electricity
Machine) controller can also be connected to the instruction, and it then controls the rotation of the execution units such as motor and bumper bottom end rail is driven to drop to ideal
Highly.
Using above-mentioned technical proposal, the present invention has the advantages that：
A kind of Liftable type front bumper arrangement provided by the invention, present inventive concept is ingenious, occurs in automobile and pedestrian
Bumper is reduced automatically before collision, and then prevents bumper from directly hitting the lower limb of pedestrian, especially avoids directly hitting row
The knee joint position of people especially reduces passenger car and is touched with pedestrian to farthest reduce the personal injury for being hit pedestrian
Middle pedestrian's knee destructive damage i.e. fracture of tibia risk is hit, reduces Pedestrian Lower Leg Injury to greatest extent.
In addition, the invention also discloses a kind of automobiles with above-mentioned Liftable type front bumper arrangement.
Description of the drawings
It below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the Liftable type front bumper arrangement that the embodiment of the present invention 1 provides；
Fig. 2 is the first of control unit and execution unit embodiment circuit diagram in the embodiment of the present invention 1；
Fig. 3 is second of embodiment circuit diagram of control unit and execution unit in the embodiment of the present invention 1；
Fig. 4 is control unit and execution unit annexation figure in the embodiment of the present invention 2.
Reference numeral：
10- front bumpers；11- bottom end rails；12- connecting rods；20- vehicle chassis；30- motors.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
With reference to specific embodiment the present invention will be further explained explanation.
Embodiment 1
As shown in Figure 1, a kind of Liftable type front bumper arrangement provided in this embodiment, including：Vehicle chassis 20, preceding guarantor
Dangerous thick stick 10 and control unit and execution unit.
The front bumper 10 is arranged on the vehicle chassis 20 in which can rise and fall；Described control unit is used for certainly
It is dynamic to set pedestrian, and instruction is sent out to the execution unit before vehicle will collide pedestrian, and pass through the execution unit
Lift or fall the front bumper 10.
Present inventive concept is ingenious, automatically reduces bumper with before pedestrian collision in automobile, and then prevent bumper
The lower limb for directly hitting pedestrian especially avoid the knee joint position for directly hitting pedestrian, are hit to farthest reduce
The personal injury of pedestrian.
The present embodiment further includes bottom end rail 11 and connecting rod 12, and the bottom end rail 11 is liftable or is arranged with falling in institute
It states on vehicle chassis 20, the front bumper 10 is arranged on the bottom end rail 11.
The front bumper 10 is removably disposed on the bottom end rail 11.12 one end of connecting rod is articulated in the vehicle
On chassis 20, the other end is stretched out to vehicle front to be connect with the bottom end rail 11, and 12 pitch angle of connecting rod is adjustable.
Wherein it is preferred to which the executable unit is motor 30, the motor 30 passes through deceleration transmission component and the connection
Bar 12 connects, the pitch angle for adjusting connecting rod 12, and then falls or lift the front bumper 10.
Wherein, described control unit can be with independently arranged system, as shown in Figure 2 comprising：Controller, camera and
The image information for being used to capture vehicle front in the vehicle front side is arranged in image processing unit, the camera.
Described image processing unit identifies that the body of pedestrian is special for receiving described image information from image information
Sign.
Described image processing unit is connect by electric machine controller with the motor in the execution unit, the motor control
Device is used for the startup or closing of the motor in control execution unit.And then the lifting of front bumper and bottom end rail can be controlled.
In addition as shown in figure 3, described control unit more preferably includes the ranging sensing being arranged on the front bumper 10
Device (such as range radar), for monitoring pedestrian at a distance from the front bumper 10.
Distance measuring sensor is connect with processor simultaneously with described image processing unit, processor summarize figure information and away from
From information, and judge according to the two information the degree of danger of pedestrian, when risk of collision will occur, processor is controlled to motor
Device sends out control signal, and bottom end rail and bumper are dropped to ideal height, reduced to row by electric machine controller control motor operating
The injury of people leg.
Wherein, for vehicle with before pedestrian collision, described control unit sends out signal, execution unit to the execution unit
The front bumper is dropped into ideal height automatically according to signal, the ideal height is pedestrian's knee with more than ankle
Height and position, specifically, landing after bottom end rail height be 8-40mm.
There is the chassis of a kind of high-grade car that can lift at present, it can be according to speed and surface conditions adjust automatically bottom
Disk height, but the main purpose of the technology is to promote the stability of vehicle itself and reduce windage, and control strategy is not
It is set to protect pedestrian, therefore the security performance for not having this patent promotes effect.
A kind of Liftable type front bumper arrangement provided by the invention, present inventive concept is ingenious, occurs in automobile and pedestrian
Bumper is reduced automatically before collision, and then prevents bumper from directly hitting the lower limb of pedestrian, especially avoids directly hitting row
The knee joint position of people especially reduces passenger car and is touched with pedestrian to farthest reduce the personal injury for being hit pedestrian
Middle pedestrian's knee destructive damage i.e. fracture of tibia risk is hit, reduces Pedestrian Lower Leg Injury to greatest extent.
Embodiment 2
The present embodiment and 1 structure of embodiment are essentially identical, the difference is that：
The prior art of AEB active safety systems can be used in control unit.
As shown in figure 4, control unit includes electric machine controller；The AEB active safety systems of controller and vehicle connect, institute
Electric machine controller is stated to connect with the motor in the execution unit；When emergency brake of vehicle, electric machine controller is according to brake signal
The motor action controlled in the execution unit falls the front bumper.
AEB active safety systems include control module, range finder module and brake module；The range finder module includes microwave thunder
It reaches, camera and face identification unit, for providing the real-time image of road ahead and traffic information.
In vehicle travel process, pedestrian's automatic emergency brake system (AEB automobile active safety systems) of automobile identifies
When being likely to collide pedestrian to vehicle, AEB automobile active safety systems can send out control instruction to automobile bus, at this time (electricity
Machine 30) controller can also be connected to the instruction, and it then controls the equal execution units rotation of motor 30 and bumper bottom end rail 11 is driven to decline
To ideal height.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of Liftable type front bumper arrangement, which is characterized in that including：Vehicle chassis, front bumper and control unit
And execution unit；
The front bumper is arranged on the vehicle chassis in which can rise and fall；
Described control unit sends out finger before vehicle will collide pedestrian for setting pedestrian automatically to the execution unit
It enables, and lifts or fall the front bumper by the execution unit.
2. Liftable type front bumper arrangement according to claim 1, which is characterized in that further include bottom end rail, under described
Crossbeam is liftable or is arranged on the vehicle chassis with falling, and the front bumper is arranged on the bottom end rail.
3. Liftable type front bumper arrangement according to claim 2, which is characterized in that the front bumper is removably
It is arranged on the bottom end rail.
4. Liftable type front bumper arrangement according to claim 3, which is characterized in that further include connecting rod, the company
Extension bar one end is articulated on the vehicle chassis, and the other end is stretched out to vehicle front to be connect with the bottom end rail, connecting rod pitching
Adjustable angle.
5. Liftable type front bumper arrangement according to claim 1, which is characterized in that the execution unit be motor,
Cylinder or hydraulic cylinder.
6. Liftable type front bumper arrangement according to claim 1, which is characterized in that described control unit includes：Control
The image for being used to capture vehicle front in the vehicle front side is arranged in device, camera and image processing unit processed, the camera
Information；
Described image processing unit identifies the physical trait of pedestrian for receiving described image information from image information；
Described image processing unit is connect by controller with the execution unit, and the controller is for control execution unit
Start or closes.
7. Liftable type front bumper arrangement according to claim 6, which is characterized in that described control unit further includes setting
The distance measuring sensor on the front bumper is set, for monitoring pedestrian at a distance from the front bumper.
8. Liftable type front bumper arrangement according to claim 7, which is characterized in that vehicle and pedestrian collision
Before, described control unit sends out signal to the execution unit, and execution unit automatically lands the front bumper according to signal
To ideal height, the ideal height is pedestrian's knee with the height and position more than ankle.
9. Liftable type front bumper arrangement according to claim 1, which is characterized in that described control unit includes：Control
Device processed；The AEB active safety systems of the controller and vehicle connect, and the controller is connect with the execution unit；
When emergency brake of vehicle, controller controls the execution unit action according to brake signal and falls the front bumper.
10. a kind of automobile with claim 1-9 any one of them Liftable type front bumper arrangements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378039.5A CN108657097A (en) | 2018-04-25 | 2018-04-25 | A kind of Liftable type front bumper arrangement and its automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378039.5A CN108657097A (en) | 2018-04-25 | 2018-04-25 | A kind of Liftable type front bumper arrangement and its automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108657097A true CN108657097A (en) | 2018-10-16 |
Family
ID=63780996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810378039.5A Pending CN108657097A (en) | 2018-04-25 | 2018-04-25 | A kind of Liftable type front bumper arrangement and its automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108657097A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112693413A (en) * | 2020-04-07 | 2021-04-23 | 西华大学 | Front bumper active protection device for rear-end collision of electric car |
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|---|---|---|---|---|
| CN201587382U (en) * | 2009-12-15 | 2010-09-22 | 浙江吉利汽车研究院有限公司 | Automobile front-end pedestrian protection device |
| CN204452311U (en) * | 2014-12-25 | 2015-07-08 | 徐丽红 | A kind of bumper/spoiler being provided with crash sensor |
| CN105292038A (en) * | 2014-07-29 | 2016-02-03 | 上海汽车集团股份有限公司 | Pedestrian leg protecting device, system and method for vehicle |
| CN106004775A (en) * | 2016-06-22 | 2016-10-12 | 浙江吉利控股集团有限公司 | Self-adaption front bumper system used for vehicle and control method |
| CN107444331A (en) * | 2017-07-31 | 2017-12-08 | 肇庆高新区凯盈顺汽车设计有限公司 | Electric automobile bumper system |
-
2018
- 2018-04-25 CN CN201810378039.5A patent/CN108657097A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201587382U (en) * | 2009-12-15 | 2010-09-22 | 浙江吉利汽车研究院有限公司 | Automobile front-end pedestrian protection device |
| CN105292038A (en) * | 2014-07-29 | 2016-02-03 | 上海汽车集团股份有限公司 | Pedestrian leg protecting device, system and method for vehicle |
| CN204452311U (en) * | 2014-12-25 | 2015-07-08 | 徐丽红 | A kind of bumper/spoiler being provided with crash sensor |
| CN106004775A (en) * | 2016-06-22 | 2016-10-12 | 浙江吉利控股集团有限公司 | Self-adaption front bumper system used for vehicle and control method |
| CN107444331A (en) * | 2017-07-31 | 2017-12-08 | 肇庆高新区凯盈顺汽车设计有限公司 | Electric automobile bumper system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112693413A (en) * | 2020-04-07 | 2021-04-23 | 西华大学 | Front bumper active protection device for rear-end collision of electric car |
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Application publication date: 20181016 |