CN101716922B - Device for protecting pedestrians in vehicle - Google Patents
Device for protecting pedestrians in vehicle Download PDFInfo
- Publication number
- CN101716922B CN101716922B CN 200910312466 CN200910312466A CN101716922B CN 101716922 B CN101716922 B CN 101716922B CN 200910312466 CN200910312466 CN 200910312466 CN 200910312466 A CN200910312466 A CN 200910312466A CN 101716922 B CN101716922 B CN 101716922B
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- Prior art keywords
- air bag
- safety air
- sensor
- vehicle
- gas generator
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 12
- 230000006698 induction Effects 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 210000000689 upper leg Anatomy 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
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Abstract
The invention provides a device for protecting pedestrians in a vehicle, belonging to the technical field of automobile spare parts and solving the problems that the traditional automobile hurts the pedestrians and a sensor has unreasonable arrangement and has a sense blind area. The device for protecting the pedestrians in the vehicle comprises a safety airbag, a gas generator, a sensor and a central processor, wherein the safety airbag is connected with the gas generator; both the gas generator and the sensor are connected with the central processor; the sensor is arranged at the front end of the vehicle and has a sense range corresponding to the width of the vehicle; the safety airbag is arranged in an engine hood; the safety airbag covers an area above a cross beam of a water tank outside the engine hood after unfolded and the shape of the safety airbag corresponds to the front part of the engine hood. The invention can effectively protect the pedestrians, and the safety airbag cannot influence the visual filed of drivers and has no sense blind area.
Description
Technical field
The invention belongs to the auto-parts technical field, relate to ear protector, especially relate to a kind of pedestrian protection of vehicle.
Background technology
Automobile is more and more universal as a kind of transport facility, but the increasing traffic accident of the thing followed has also caused a lot of pedestrians' injures and deaths.The injury that pedestrian's collision is brought in order to solve automobile, people have carried out long-term exploration, have proposed various solutions.
For example; Chinese patent literature discloses a kind of pedestrian protection airbag device for automobiles [application number: 200820303290.7]; being installed in machinery space covers; comprise sensor; central process unit; gas generator; safety air bag and radar detector; described installation of sensors is in the car front bumper; radar detector is installed in Windshield top in the vapour; the sensor target surveyed area is front 1/4th zones of engine compartment cover; be provided with the air bag supply chamber behind engine compartment cover in the zone of sixth, safety air bag and gas generator are arranged in the air bag supply chamber.The somebody has invented a kind of pedestrian protection [application number: 200810029262.5] and has comprised: be arranged on the inductor of automotive front, for detection of collision and generation detection signal; Control unit be used for to receive the detection signal of inductor, and judge vehicle whether with pedestrian impact, when control unit judgement vehicle and pedestrian impact, send the protection control signal; Be arranged on the front hatch cover lift unit of front hatch cover below, receive the protection control signal of control unit when the front hatch cover lift unit after, promote front hatch cover; Starting switch after starting switch detects chaufeur startup automobile, starts control unit; The air bag and the air bag that are arranged in the front hatch cover are ignited the unit, after air bag ignition unit receives the protection control signal of control unit, and firing air bag.
Although such scheme has been realized protection to the pedestrian to a certain extent; but Shortcomings part still: 1, since the position of safety air bag select reasonable not; can't cover the zone higher to human injury's value; and after airbag inflated, can affect the visual field of chaufeur; causing in collision rear chaufeur occuring can't rationally control vehicle, has increased potential safety hazard.2, sensor arrange rationally not, have sense blind area.
Summary of the invention
The objective of the invention is for the problems referred to above, provide a kind of and can effectively implement protection to the pedestrian, safety air bag can not affect driver's seat, and does not have the pedestrian protection of the vehicle of sense blind area.
For achieving the above object; the present invention has adopted following technical proposal: the pedestrian protection of this vehicle; comprise safety air bag; gas generator; sensor and central process unit; described safety air bag and gas generator link; described gas generator and sensor all link with central process unit; it is characterized in that; described sensor setting adapts at vehicle front and its induction range and vehicle width; described safety air bag is arranged on the car bonnet, and safety air bag adapts corresponding to the zone of water tank upper beam top and shape and the car bonnet front portion of safety air bag outside covering car bonnet behind air-bag deployment.
When pedestrian and vehicle collision, at first produce collision alarm by the sensor that is arranged on vehicle front, central process unit produces the signal of control gas generator work when receiving collision alarm.Gas generator is inflated safety air bag after receiving signal, safety air bag is ejected, thereby the pedestrian is implemented protection.Usually, pedestrian's shank is contact pickup at first, and the pedestrian rolls up because collision produces stress reaction at this moment, so easy especially and car bonnet front portion, and the hazardous locations such as water tank upper beam bump; And the collision probability of car bonnet Background Region is all the better little.Safety air bag of the present invention can be effectively implemented protection to positions such as pedestrian's thigh and heads.Because safety air bag covers the car bonnet front portion, therefore when ejecting, it can not affect the sight line of chaufeur, so that chaufeur proper operation when bumping reduces being hit pedestrian's injury.On the other hand, because induction range and the vehicle width of sensor adapt, so any position of pedestrian and vehicle front bumps safety air bag is in time ejected.
In the pedestrian protection of above-mentioned vehicle, described sensor setting is on the front bumper bump rubber of vehicle, and described front bumper bump rubber is fixed on the vehicle front bumper.
In the pedestrian protection of above-mentioned vehicle; have the bar hole of horizontally set on the described car bonnet; below bar hole, be provided with the air bag supply chamber; described safety air bag is arranged in the air bag supply chamber, is fixed with the bar shaped capping that adapts with its shape and can be ejected by safety air bag bar hole during when airbag inflated at described bar hole.
In the pedestrian protection of above-mentioned vehicle, described bar hole be positioned at car bonnet first three/zone, and can covering engine after airbag inflated cover first three/zone and extend to the car bonnet front edge.
In the pedestrian protection of above-mentioned vehicle, its top is not higher than the lower end of Windshield after the described airbag inflated.Therefore, the safety air bag can not cause the realization of chaufeur and block.
In the pedestrian protection of above-mentioned vehicle, described sensor is pressure sensor.
In the pedestrian protection of above-mentioned vehicle, described sensor is bar shaped and its length equates with vehicle width.
In the pedestrian protection of above-mentioned vehicle, described sensor comprises some transversely arranged sensing units, and the spacing between two adjacent sensing units is less than the width of human body shank.
In the pedestrian protection of above-mentioned vehicle, described bar shaped capping is made by plastics or metallic material.
Compared with prior art, the advantage of the pedestrian protection of this vehicle is: 1, safety air bag layout position is reasonable, can be effectively the important areas such as pedestrian's shank and head be implemented protection.2, after safety air bag ejected, safety air bag can not impact the sight line of chaufeur, further improved the safety of using.3, integral structure is simple, and is easy to implement, and good operating stability, do not have the collision blind area.
Description of drawings
Fig. 1 is structural representation provided by the invention.
Fig. 2 is the structural representation of safety air bag provided by the invention when opening.
Among the figure, safety air bag 1, gas generator 2, sensor 3, central process unit 4, car bonnet 5, bar hole 51, air bag supply chamber 52, bar shaped capping 53, front bumper bump rubber 6.
The specific embodiment
As illustrated in fig. 1 and 2, the pedestrian protection of this vehicle is arranged on the vehicle, comprises safety air bag 1, gas generator 2, sensor 3 and central process unit 4.Safety air bag 1 links with gas generator 2, and gas generator 2 and sensor 3 all link with central process unit 4.
In the present embodiment, safety air bag 1 is arranged on the car bonnet 5, specifically, safety air bag 1 be arranged on car bonnet 5 first three/zone in.Car bonnet 5 first three/have the bar hole 51 of horizontally set in the zone, below bar hole 51, be provided with air bag supply chamber 52.Safety air bag 1 is arranged in the air bag supply chamber 52, is fixed with the bar shaped capping 53 that adapts with its shape and can be ejected bar hole 51 by safety air bag 1 during when safety air bag 1 inflation at bar hole 51.The bar shaped capping 53 is here made by plastics or metallic material; Safety air bag 1 adopts polyamide material system.
Safety air bag 1 covers car bonnet 5 outsides and adapts corresponding to the zone above the water tank upper beam and shape and car bonnet 5 front portions of safety air bag 1 after safety air bag 1 launches.More particularly, first three that can covering engine cover 5 after safety air bag 1 inflation/zone also extends to car bonnet 5 front edges.Its top is not higher than the lower end of Windshield after safety air bag 1 inflation.
When collision, pedestrian's shank at first collides with front bumper bump rubber 6, thereby makes sensor 3 produce signals.Central process unit 4 produces the signal of control gas generator 2 work when receiving collision alarm.Gas generator 2 is inflated safety air bag 1 after receiving signal, safety air bag 1 is ejected, thereby the pedestrian is implemented protection.Because safety air bag 1 covers car bonnet 5 outsides and adapts with car bonnet 5 front portions corresponding to the shape of the zone of water tank upper beam top and safety air bag 1 and extend to car bonnet 5 front edges when ejecting, so safety air bag 1 can be implemented protect to pedestrian's thigh and head simultaneously.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used the terms such as safety air bag 1, gas generator 2, sensor 3, central process unit 4, car bonnet 5, bar hole 51, air bag supply chamber 52, bar shaped capping 53, front bumper bump rubber 6, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (2)
1. the pedestrian protection of a vehicle, comprise safety air bag (1), gas generator (2), sensor (3) and central process unit (4), described safety air bag (1) links with gas generator (2), described gas generator (2) and sensor (3) all link with central process unit (4), it is characterized in that, described sensor (3) is arranged on vehicle front and its induction range and vehicle width and adapts, described safety air bag (1) is arranged on the car bonnet (5), and safety air bag (1) adapts corresponding to the zone of water tank upper beam top and shape and car bonnet (5) front portion of safety air bag (1) outside covering car bonnet (5) after safety air bag (1) launches; Described sensor (3) is arranged on the front bumper bump rubber (6) of vehicle, and described front bumper bump rubber (6) is fixed on the vehicle front bumper; Described sensor (3) is pressure sensor; Described sensor (3) is bar shaped and its length equates with vehicle width; Described sensor (3) comprises some transversely arranged sensing units, and the spacing between two adjacent sensing units is less than the width of human body shank; Have the bar hole (51) of horizontally set on the described car bonnet (5), be provided with air bag supply chamber (52) in bar hole (51) below, described safety air bag (1) is arranged in the air bag supply chamber (52), be fixed with the bar shaped capping (53) that adapts and when safety air bag (1) is inflated, can be ejected by safety air bag (1) bar hole (51) with its shape at described bar hole (51), described bar hole (51) be positioned at car bonnet (5) first three/zone, and first three that can covering engine cover (5) after safety air bag (1) inflation/zone also extends to car bonnet (5) front edge, pedestrian's shank at first collides with described front bumper bump rubber (6), thereby make sensor (3) produce signal, described central process unit (4) produces the signal of control gas generator (2) work when receiving collision alarm, gas generator (2) is inflated safety air bag (1) after receiving signal, safety air bag (1) is ejected, and its top is not higher than the lower end of Windshield after described safety air bag (1) inflation.
2. the pedestrian protection of vehicle according to claim 1 is characterized in that, described bar shaped capping (53) is made by plastics or metallic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910312466 CN101716922B (en) | 2009-12-29 | 2009-12-29 | Device for protecting pedestrians in vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910312466 CN101716922B (en) | 2009-12-29 | 2009-12-29 | Device for protecting pedestrians in vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101716922A CN101716922A (en) | 2010-06-02 |
| CN101716922B true CN101716922B (en) | 2013-04-24 |
Family
ID=42431586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910312466 Expired - Fee Related CN101716922B (en) | 2009-12-29 | 2009-12-29 | Device for protecting pedestrians in vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101716922B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765366A (en) * | 2012-08-02 | 2012-11-07 | 北京汽车股份有限公司 | Pedestrian air bag system and automobile |
| CN105564364A (en) * | 2016-01-11 | 2016-05-11 | 淮阴工学院 | Passive protection device for vehicle collision |
| CN107380061B (en) * | 2017-08-23 | 2020-08-18 | 佛山市顺德区中山大学研究院 | Pedestrian collision sensor |
| CN108313002A (en) * | 2018-04-19 | 2018-07-24 | 厦门理工学院 | A kind of enging cabin convering system based on pedestrian protecting |
| CN109131179A (en) * | 2018-05-08 | 2019-01-04 | 北京北汽模塑科技有限公司 | A kind of lightweight multiple-protection high security bumper |
| CN110371075A (en) * | 2019-08-02 | 2019-10-25 | 上汽通用汽车有限公司 | Active device for protecting legs of passersby |
| CN113928260A (en) * | 2021-08-31 | 2022-01-14 | 云度新能源汽车有限公司 | Front hatch cover device integrating safety airbag function |
| CN113895390A (en) * | 2021-10-21 | 2022-01-07 | 宁波中骏森驰汽车零部件股份有限公司 | Protector after pedestrian collides in front of car |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2600291Y (en) * | 2003-01-24 | 2004-01-21 | 孙学年 | Buffer unit for vehicle tail collision |
| JP2009012587A (en) * | 2007-07-04 | 2009-01-22 | Toyoda Gosei Co Ltd | Airbag device for pedestrian |
| JP2009234319A (en) * | 2008-03-26 | 2009-10-15 | Honda Motor Co Ltd | Vehicle hood structure |
| CN201343010Y (en) * | 2008-12-09 | 2009-11-11 | 浙江吉利控股集团有限公司 | Pedestrian protection airbag device for automobiles |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4410138B2 (en) * | 2005-03-31 | 2010-02-03 | 株式会社デンソー | Vehicle collision object discrimination device |
-
2009
- 2009-12-29 CN CN 200910312466 patent/CN101716922B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2600291Y (en) * | 2003-01-24 | 2004-01-21 | 孙学年 | Buffer unit for vehicle tail collision |
| JP2009012587A (en) * | 2007-07-04 | 2009-01-22 | Toyoda Gosei Co Ltd | Airbag device for pedestrian |
| JP2009234319A (en) * | 2008-03-26 | 2009-10-15 | Honda Motor Co Ltd | Vehicle hood structure |
| CN201343010Y (en) * | 2008-12-09 | 2009-11-11 | 浙江吉利控股集团有限公司 | Pedestrian protection airbag device for automobiles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101716922A (en) | 2010-06-02 |
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Granted publication date: 20130424 |
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