CN107914661A - A kind of vehicle device for protecting legs of passersby, system and automobile - Google Patents
A kind of vehicle device for protecting legs of passersby, system and automobile Download PDFInfo
- Publication number
- CN107914661A CN107914661A CN201711296622.3A CN201711296622A CN107914661A CN 107914661 A CN107914661 A CN 107914661A CN 201711296622 A CN201711296622 A CN 201711296622A CN 107914661 A CN107914661 A CN 107914661A
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- China
- Prior art keywords
- pedestrian
- vehicle
- support beam
- passersby
- rack
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- 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.)
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Classifications
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- 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
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
Abstract
A kind of vehicle device for protecting legs of passersby, system and automobile, device include mounting bracket, support beam, driving mechanism and rack, and support beam is installed on vehicle body front structure by mounting bracket;Driving mechanism is connected with support beam, and driving mechanism coordinates driving crossbeam to move up and down with rack activity.System includes radar, camera, processor and aforementioned means.Radar is used for the relative velocity for measuring pedestrian and vehicle;Camera is used to taking pictures to vehicle front pedestrian and obtaining pedestrian image information;Controller is used to analyze pedestrian level by pedestrian image, and when the relative velocity that above-mentioned radar surveying goes out reaches a certain limit value, control driving motor drive support beam reaches the height and position of pedestrian's knee top of thigh.The present invention can be moved up and down according to the highly automated of pedestrian, accurate to support pedestrian's knee top of thigh, effectively reduced and injured in collision process caused by pedestrian lower leg knee ligament tension amount is excessive.
Description
Technical field
The present invention relates to pedestrian protecting technical field, and in particular to vehicle pedestrian lower leg protection technique.
Background technology
The important class in Automobile Design is become with the development of auto industry, automotive safety protection with advances in technology
Topic.Automotive safety not only considers the safety of passenger, it is also contemplated that the safety of goers outside vehicle, many countries have also put into effect correlation
Laws and regulations, pedestrains safety protection can not be ignored.
When head-on crash occurs for vehicle and pedestrian, pedestrian lower leg is to contact vehicle and the most frequent portion that is hurt at first
Position, therefore, requires vehicle more and more compacter in Hyundai Motor General Layout Design, on the premise of energy-absorbing space is less and less, design
Automobile front structure more rationally with safety becomes to be even more important to reduce injury of the automobile to pedestrian lower leg in collision.At present
The scheme for the pedestrian lower leg protection that some automobile vendors use is to install energy-absorbing foam and preceding guarantor between preceding guarantor and anti-collision beam
Lower support is installed in top and the bottom respectively, and energy-absorbing foam is used as absorbing collision energy;Support is used separately as support pedestrian's knee up and down
Top of thigh and pedestrian shank lower part, so that reduce pedestrian's knee bends injury caused by collision.But this scheme
Versatility is not strong, it is difficult to be protected to the pedestrian lower leg of different height.
The content of the invention
It is an object of the invention to provide a kind of vehicle device for protecting legs of passersby, system and automobile, vehicle uses pedestrian
Leg protection is the support device of protection pedestrian lower leg moving up and down, is installed on body forward structure, front bumper covering
Rear portion, when vehicle and pedestrian's generation head-on crash, system detects the situation of pedestrian, and control vehicle is protected with pedestrian lower leg and filled
The support beam put reaches the height and position of pedestrian's knee top of thigh, and pedestrian is protected.
Technical scheme is as follows:
The present invention provides a kind of vehicle device for protecting legs of passersby, including mounting bracket, support beam, driving mechanism and tooth
Bar.Support beam is installed on by mounting bracket on the vehicle body front structure after Abdeckung Stossfaenger;The driving mechanism and support
Crossbeam connects, and rack is fixed in mounting bracket, and driving mechanism coordinates with rack activity, and driving support beam moves up and down.Should
Device can be moved up and down according to the highly automated of pedestrian, accurate to support pedestrian's knee top of thigh, and effective reduction exists
Injured in collision process caused by pedestrian lower leg knee ligament tension amount is excessive.
Further, the driving mechanism includes driving motor, gear, drives motor connection gear, and gear and rack coordinate,
Driving motor is fixed in support beam, and support beam is moved up and down by driving motor, gear and rack to realize.Using driving
Motor, gear and rack and similar mechanism are as driving mechanism, and simple in structure, reliable operation, does not increase protective device excessively
Structure complexity.
Further, the driving motor is to realize to fix by electric machine support and support beam, and electric machine support is sleeved on rack
On, for gear in electric machine support, can so ensure support beam stablizes installation and flexibly movement.
Further, the mounting bracket respectively installs one up and down at the both ends of vehicle body front structure, and totally four, rack is two
Longitudinal direction is each between the mounting bracket at end installs one, and the driving motor and gear with support beam both ends coordinate respectively.Using four
Point installation, centre connection rack, structure are just more compact, succinct.
Further, the drive signal of the driving motor derives from the controller of vehicle.
The present invention further provides a kind of vehicle with pedestrian lower leg protect system, including be installed on car radar, shooting
Head, processor and foregoing vehicle device for protecting legs of passersby.Radar is used for the relative velocity for measuring pedestrian and vehicle;Institute
Camera is stated to be used to taking pictures to vehicle front pedestrian and obtaining pedestrian image information;The controller is used to scheme by pedestrian
As analysis pedestrian level, and when the relative velocity that above-mentioned radar surveying goes out reaches a certain limit value, to vehicle pedestrian lower leg
Protective device sends control signal, and control driving motor drives the height and position of support beam arrival pedestrian's knee top of thigh.
The present invention also provides a kind of automobile, it is provided with above-mentioned vehicle and protects system with pedestrian lower leg.
Device and system using the present invention, vehicle, can be according to the leg height of pedestrian, by upper when colliding
The height up and down adjustment that driving mechanism drives support beam is stated, can partly play optimal support above knee to pedestrian lower leg
Effect, reduces the knee ligament tension amount caused by pedestrian's thigh, shank misplace up and down, avoids knee laceration of ligament, from
And the injury in attenuating accident suffered by pedestrian.
Brief description of the drawings
Fig. 1 is the vehicle device for protecting legs of passersby structure diagram in the present invention
Fig. 2 is the vehicle device for protecting legs of passersby schematic view of the mounting position in the present invention
Fig. 3 is the vehicle device for protecting legs of passersby top view in the present invention
Fig. 4 is the vehicle device for protecting legs of passersby top view partial enlarged view in the present invention
Fig. 5 is the vehicle device for protecting legs of passersby rack pinion sectional view in the present invention
Fig. 6 is the vehicle device for protecting legs of passersby driving structure schematic diagram in the present invention
Fig. 7 is the vehicle device for protecting legs of passersby driving structure top view in the present invention
Fig. 8 is that the vehicle in the present invention protects system structure diagram with pedestrian lower leg
In figure, 1- mounting brackets, 2- stationary racks, 3- driving structures, 4- mounting brackets, 5- support beams, 6- mounting brackets, 7-
Stationary rack, 8- driving mechanisms, 9- mounting brackets, 10- drivings motor, 11- electric machine supports, 12- gears, 13- front bumpers cover
Skin.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Referring to Fig. 1, the present invention provides a kind of vehicle device for protecting legs of passersby, including mounting bracket 1,4,6,9, fixed
Rack 2,7, support beam 5, driving mechanism 3,8.
As shown in Figure 2, Figure 3 and Figure 4, four mounting brackets 1,4,6,9 and the vehicle body front structure after Abdeckung Stossfaenger(Figure
Not shown in)It is fixedly connected, 5 both ends of support beam are fixedly connected with driving mechanism 3 and driving mechanism 8 respectively, 3 He of driving mechanism
Driving mechanism 8 is connected by two stationary racks 2 and 7 with mounting bracket, 2 upper and lower ends of stationary rack respectively with mounting bracket 1
It is fixedly connected with mounting bracket 4,7 upper and lower ends of stationary rack are fixedly connected with mounting bracket 6 and mounting bracket 9 respectively, driving
Mechanism 3 and driving mechanism 8 are realized to support beam 5 by stationary rack 2 and stationary rack 7 with being flexibly connected for its gear respectively
Move up and down driving.
As shown in Fig. 5, Fig. 6 and Fig. 7, driving mechanism 3 as 8 structures, be by driving motor 10, electric machine support 11,
Gear 12 forms, and drives motor 10 and gear 12 to be installed on electric machine support 11, and driving 10 output terminal of motor is connected with gear
12, the gear 12 can rotate under the driving of driving motor 10 in electric machine support 11, gear 12 and stationary rack 2 and 7
Coordinate.Electric machine support 11 is separately fixed at 5 both ends of support beam, and is respectively fitted on stationary rack 2 and 7.
By above-mentioned connection, the driving mechanism 3,8 can drive support beam 5 on stationary rack 2 and 7 on move down
It is dynamic.When vehicle and after pedestrian collision, since support beam 5 can be to the pedestrian of different height leg portion above knee
Supporting role, effectively reduces the relative motion of pedestrian's knee top and the bottom, that is, reduces the ligament tension amount of pedestrian's knee, avoid
Because of injury of the laceration of ligament to pedestrian lower leg.
It is that a kind of vehicle pedestrian lower leg provided by the invention protects system, including above-mentioned vehicle pedestrian's leg shown in Fig. 8
Portion's protective device and vehicle-mounted radar, camera and controller.Radar is used for the relative velocity for measuring pedestrian and vehicle;
Camera is used to taking pictures to vehicle front pedestrian and obtaining pedestrian image;Controller is used for the phase gone out when the radar surveying
When reaching a certain limit value to speed, pedestrian level information and velocity information are analyzed by pedestrian image, driving mechanism is assigned
Instruction, the height and position for controlling the driving mechanism 3 and 8 to drive support beam 5 to reach pedestrian's knee top of thigh.For example, youngster
The height of virgin and of short and small stature adult's thigh is relatively low, and controller will control driving mechanism to drive support beam to reach relatively
Low height and position, the thigh height of average adult is higher, and controller will control driving mechanism to drive support beam 5 to reach phase
To higher height and position.The specific height to be reached of support beam 5, the pedestrian shot by controller according to the camera scheme
The analysis result of picture determines.
Claims (7)
1. a kind of vehicle device for protecting legs of passersby, including mounting bracket and support beam, support beam pass through mounting bracket
It is installed on the vehicle body front structure after Abdeckung Stossfaenger;It is characterized in that, driving mechanism and rack are further included, the driving machine
Structure is connected with support beam, and rack is fixed in mounting bracket, and driving mechanism coordinates with rack activity, drives above and below support beam
It is mobile.
2. vehicle device for protecting legs of passersby according to claim 1, it is characterised in that the driving mechanism includes driving
Dynamic motor and gear, drive motor connection gear, and gear and rack coordinate, and driving motor is fixed in support beam.
3. vehicle device for protecting legs of passersby according to claim 2, it is characterised in that the driving motor passes through electricity
Machine support realizes and fixes that electric machine support is sleeved on rack with support beam, and gear is installed in electric machine support.
4. according to the vehicle device for protecting legs of passersby described in claim 1,2 or 3, it is characterised in that the mounting bracket
Respectively install one up and down at the both ends of vehicle body front structure, totally four, rack longitudinal direction between the mounting bracket at both ends is each to install
One, coordinate respectively with the driving motor and gear at support beam both ends.
5. vehicle device for protecting legs of passersby according to claim 4, it is characterised in that the driving of the driving motor
Signal derives from controller.
6. a kind of vehicle protects system with pedestrian lower leg, it is characterised in that including installing and the radar on car, camera, control
Device and the vehicle device for protecting legs of passersby described in claim 1-5;The radar is used to measure pedestrian and the phase of vehicle
To speed;The camera is used to taking pictures to vehicle front pedestrian and obtaining pedestrian image information;The controller is used for
Pedestrian level is analyzed by pedestrian image, and when the relative velocity that above-mentioned radar surveying goes out reaches a certain limit value, to vehicle
Control signal is sent with device for protecting legs of passersby, control driving motor drives support beam to reach pedestrian's knee top of thigh
Height and position.
7. a kind of automobile, there is the vehicle described in claim 5 to protect system with pedestrian lower leg.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711296622.3A CN107914661A (en) | 2017-12-08 | 2017-12-08 | A kind of vehicle device for protecting legs of passersby, system and automobile |
Applications Claiming Priority (1)
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CN201711296622.3A CN107914661A (en) | 2017-12-08 | 2017-12-08 | A kind of vehicle device for protecting legs of passersby, system and automobile |
Publications (1)
Publication Number | Publication Date |
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CN107914661A true CN107914661A (en) | 2018-04-17 |
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CN201711296622.3A Pending CN107914661A (en) | 2017-12-08 | 2017-12-08 | A kind of vehicle device for protecting legs of passersby, system and automobile |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109733320A (en) * | 2019-02-27 | 2019-05-10 | 宁波吉利汽车研究开发有限公司 | Leg protection and automobile |
CN115214523A (en) * | 2021-03-31 | 2022-10-21 | 广州汽车集团股份有限公司 | Shank protection device, vehicle front end pedestrian protection device and vehicle |
Citations (10)
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JP2006044310A (en) * | 2004-07-30 | 2006-02-16 | Toyota Motor Corp | Simple type pedestrian protecting bumper |
CN203078455U (en) * | 2013-01-22 | 2013-07-24 | 北京汽车股份有限公司 | Pedestrian protecting device arranged at front end of vehicle and vehicle |
CN204020798U (en) * | 2014-07-29 | 2014-12-17 | 北汽福田汽车股份有限公司 | A kind of shank anticollision beam assembly and there is its vehicle |
CN104442640A (en) * | 2013-09-17 | 2015-03-25 | 通用汽车环球科技运作有限责任公司 | Front load distribution mechanism for a vehicle |
CN204432584U (en) * | 2013-11-11 | 2015-07-01 | 福特环球技术公司 | For the device of power actuated vehicle |
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 |
CN105620403A (en) * | 2014-11-19 | 2016-06-01 | 福特全球技术公司 | Movable vehicle bumper |
CN105793120A (en) * | 2013-11-29 | 2016-07-20 | Tk控股公司 | Active lower leg engagement system |
CN106608241A (en) * | 2015-10-22 | 2017-05-03 | 北汽福田汽车股份有限公司 | Vehicle pedestrian protection device and vehicle with same |
CN206155390U (en) * | 2016-11-08 | 2017-05-10 | 刘婷婷 | Car bumper's pedestrian protection device |
-
2017
- 2017-12-08 CN CN201711296622.3A patent/CN107914661A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006044310A (en) * | 2004-07-30 | 2006-02-16 | Toyota Motor Corp | Simple type pedestrian protecting bumper |
CN203078455U (en) * | 2013-01-22 | 2013-07-24 | 北京汽车股份有限公司 | Pedestrian protecting device arranged at front end of vehicle and vehicle |
CN104442640A (en) * | 2013-09-17 | 2015-03-25 | 通用汽车环球科技运作有限责任公司 | Front load distribution mechanism for a vehicle |
CN204432584U (en) * | 2013-11-11 | 2015-07-01 | 福特环球技术公司 | For the device of power actuated vehicle |
CN105793120A (en) * | 2013-11-29 | 2016-07-20 | Tk控股公司 | Active lower leg engagement system |
CN204020798U (en) * | 2014-07-29 | 2014-12-17 | 北汽福田汽车股份有限公司 | A kind of shank anticollision beam assembly and there is its vehicle |
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 |
CN105620403A (en) * | 2014-11-19 | 2016-06-01 | 福特全球技术公司 | Movable vehicle bumper |
CN106608241A (en) * | 2015-10-22 | 2017-05-03 | 北汽福田汽车股份有限公司 | Vehicle pedestrian protection device and vehicle with same |
CN206155390U (en) * | 2016-11-08 | 2017-05-10 | 刘婷婷 | Car bumper's pedestrian protection device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109733320A (en) * | 2019-02-27 | 2019-05-10 | 宁波吉利汽车研究开发有限公司 | Leg protection and automobile |
CN115214523A (en) * | 2021-03-31 | 2022-10-21 | 广州汽车集团股份有限公司 | Shank protection device, vehicle front end pedestrian protection device and vehicle |
CN115214523B (en) * | 2021-03-31 | 2023-11-10 | 广州汽车集团股份有限公司 | Shank protection device, vehicle front end pedestrian protection device and vehicle |
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Application publication date: 20180417 |