CN105501171B - A kind of automotive front pedestrian protection for having dual air bags and dual fail-safe thick stick - Google Patents
A kind of automotive front pedestrian protection for having dual air bags and dual fail-safe thick stick Download PDFInfo
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- CN105501171B CN105501171B CN201610065292.6A CN201610065292A CN105501171B CN 105501171 B CN105501171 B CN 105501171B CN 201610065292 A CN201610065292 A CN 201610065292A CN 105501171 B CN105501171 B CN 105501171B
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- bumper
- air
- air bag
- bonnet
- guard plate
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- 230000009977 dual effect Effects 0.000 title claims abstract description 27
- 230000004224 protection Effects 0.000 title claims abstract description 23
- 230000003139 buffering effect Effects 0.000 claims abstract description 22
- 210000004712 air sac Anatomy 0.000 claims abstract description 14
- 230000008961 swelling Effects 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 10
- 239000002775 capsule Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 208000027418 Wounds and injury Diseases 0.000 abstract description 6
- 208000014674 injury Diseases 0.000 abstract description 6
- 230000001133 acceleration Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 210000005239 tubule Anatomy 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
-
- 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
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R19/20—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly gas or liquid, e.g. inflatable
- B60R19/205—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly gas or liquid, e.g. inflatable inflatable in the direction of an obstacle upon impending impact, e.g. using air bags
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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
- B60R2021/343—Protecting non-occupants of a vehicle, e.g. pedestrians using deformable body panel, bodywork or components
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
- Superstructure Of Vehicle (AREA)
- Body Structure For Vehicles (AREA)
Abstract
A kind of automotive front pedestrian protection for having dual air bags and dual fail-safe thick stick.A kind of automotive front pedestrian protection; the air-bag module of its upper strata bumper is arranged on web beam; the ultrasonic range finder of distance between the accelerometer of acceleration magnitude during controller connecting detection automobile brake and detection bumper and pedestrian; when controller detects acceleration magnitude and distance value while reaches limit value; gas generator will start to airbag inflated, open airbag cushion.Uniform 4 piezoelectric transducers on the buffering energy-absorbing block of lower floor's bumper; there is certain cushioning effect when pedestrian impact is to buffering energy-absorbing block; the sensor receives collision alarm simultaneously; another air bag system is installed on bonnet; piezoelectric transducer transmits a signal to bonnet safety air sac controller; air bag is swelling therewith, both effectively protects pedestrian's trunk, while avoids the injury of pedestrian head.The present invention both can effectively protect pedestrains safety, can play preferable protective effect with occupant safety in itself to automobile again, have good practical value.
Description
Technical field
The present invention relates to automobile accessories apparatus field, more particularly to a kind of automobile for having dual air bags and dual fail-safe thick stick
Anterior pedestrian protection.
Background technology
Automotive crash safety problem has had been to be concerned by more and more people in today's society, and in automobile collision procedure,
Occurrence probability highest is the collision of automotive front, first relates to the collision of front bumper, next be related to bonnet or
Injury of the front windshield to pedestrian head.Therefore, study the collision characteristic of automotive front, and in collision process to pedestrian,
The protective effect of occupant and automobile in itself, it is significant for improving automotive SBC.
At present common bumper typically by plastic bumper backplate, web beam and two energy-absorption brackets in left and right and
Other installations are formed with part.In recent years, due to the development of shape-designing and the needs of pedestrian protecting, the preceding guarantor of most of cars
Dangerous thick stick is using bumper and grid unitary design.The bumper of some high-grade cars have also contemplated that efficient kinetic energy absorption, disperse
Debacle possible type structure design, and pedestrian protecting component.Bumper is with web beam as the vehicle body for absorbing mitigation foreign impacts power
Component, in low speed collision accident, protection vehicle body and body accessories can be played a role.But bumper can be provided anti-
Shield ability, the especially protection to pedestrian are still fairly limited, and lack the safeguard measure to pedestrian head, and with car owning amount
Increase year by year, ascendant trend is also presented in pedestrian impact accident rate.Therefore, it is a kind of to have dual air bags and dual fail-safe thick stick
Automotive front pedestrian protection both can effectively protect pedestrains safety, also play preferable protection with occupant safety in itself to automobile
Effect.
The content of the invention
In order to solve above-mentioned problem, the present invention provides a kind of automotive front for having dual air bags and dual fail-safe thick stick
Pedestrian protection, the device both can effectively protect pedestrains safety, also play preferable protection with occupant safety in itself to automobile
Effect, to provide a kind of automotive front pedestrian protections for having dual air bags and dual fail-safe thick stick of up to this purpose, the present invention,
Including bumper guard plate, upper and lower two layers of bumper system, bumper air bag system and bonnet air bag system：
Bumper system of the present invention is divided into two layers up and down, and upper strata bumper includes upper bumper web beam and bumper is pacified
Full air bag component, the bumper air-bag module includes bumper air bag support, bumper air bag gas are sent out
Raw device, bumper air bag and bumper air bag retainer, the bumper air-cushion inflator are cased with outside
Bumper air bag retainer, the bumper air bag are wrapped in outside bumper air-cushion inflator, on
The bumper air-bag module of layer bumper is arranged on upper strata bumper by corresponding bumper air bag support and strengthens horizontal stroke
In the front bumper air-bag module installation place of beam, the upper strata bumper web beam is consolidated by stud and nut
In-car is scheduled on, lower floor's bumper includes lower bumper buffering energy-absorbing block and lower bumper web beam, the lower bumper buffering
Energy absorbent block passes through upper and lower bumper connecting bracket on front side of lower bumper web beam between upper strata bumper and lower floor's bumper
It is connected；
Bumper air bag system of the present invention includes accelerometer, bumper safety air sac controller and ultrasonic wave
Rangefinder, in the car on the left of instrument board, the accelerometer is arranged on vehicle top for the bumper safety air sac controller installation
Lid side, the ultrasonic range finder are arranged on the inside of front windshield, and the bumper safety air sac controller passes through circuit
Connection connection bumper air-bag module, bumper air-cushion inflator, accelerometer and ultrasonic range finder；
Car engine of the present invention has covered bonnet air bag system, and the bonnet air bag system includes engine
Lid air-bag module, 4 piezoelectric transducers, central processing unit and radar detedtor, the bonnet air-bag module
Including bonnet air bag and bonnet air-cushion inflator, the bonnet air bag and bonnet substitute
Capsule gas generator is arranged in the bonnet air-bag module storage room of automobile engine cover, and 4 piezoelectric transducers are uniform
On lower floor's bumper buffer stopper, in the car on the left of instrument board, the radar detedtor is arranged on for the central processing unit installation
In automobile above front windshield, 4 piezoelectric transducers and radar detedtor are connected by connecting line with central processing unit.
Further improvement of the present invention, pedestrian protection also include bumper guard plate, and the bumper guard plate is located at car
Head front end surrounds two layers of bumper system up and down, and the bumper guard plate passes through corresponding with bumper guard plate support frame connecting rod
Longeron is connected, and two hooks are fixed at two angles of bumper guard plate inside front end, and two hooks are hung in bumper guard plate branch
The both ends of crossbeam are supportted, the bar portion of hook fixes the bumper guard plate support component of two groups of cylinders, bumper guard plate support respectively
Component one and bumper guard plate support component two form by two different pipe fittings of thickness and spring, and the both ends of spring are solid respectively
It is scheduled on hook bar portion and bumper guard plate support frame, when spring is in the state that is stretched, two pipes assembling total length is equal to independent
Two length of tube sums, it is described hook suspension at structure it is thin, the bar portion structure of hook is thick, when bumper air bag is swelling, two
Hook can be torn, and the present invention relies on the strength of airbag cushion, and two Plastic hangers will be pulled apart at suspension by moment, be insured
Thick stick backplate is also pushed open by moment, but bumper guard plate support component is connected with bumper guard plate, and now, the pulling force of spring will be released
Put, the bumper guard plate branch coordinated due to bumper guard plate support component and the effect of contraction of bumper guard plate support frame, gap
Tubule in support component will enter extra heavy pipe, and total length shortens, and bumper guard plate, will be along buffering energy-absorbing under said structure constraint
Block moves down, and hangs and be attached to automotive front end.
Further improvement of the present invention, the upper bumper web beam shape are in side U-shaped, and web beam of the present invention is both
The skeleton of upper strata bumper, it is air-bag module installation part again, therefore can is in side U-shaped, air-bag module, which is arranged on, is added
The front portion of deck transverse, is made of high-strength steel sheet, to meet intensity requirement.
Further improvement of the present invention, length and the width and lower bumper web beam of the bumper buffering energy-absorbing block
Match, the front portion of the lower bumper web beam, bumper buffering energy-absorbing block of the present invention are arranged on by row's fixture
It can use and be installed with upper type.
Further improvement of the present invention, the bonnet air-bag module storage room 1/3 after automobile engine cover at, hold up
Lid air-bag module is typically mounted in the bonnet air-bag module storage room at 1/3 after automobile engine cover.
A kind of automotive front pedestrian protection for having dual air bags and dual fail-safe thick stick of the present invention, when controller detects
When pickup reaches limit value simultaneously with the distance of automobile and pedestrian, gas generator will start to airbag inflated,
Air bag instantaneous expansion, now air bag effectively will protect pedestrian's trunk and leg；By the power of airbag cushion
Amount, two Plastic hangers will be pulled apart at suspension by moment, and bumper guard plate is also pushed open by moment, but bumper guard plate support component
Still it is connected with bumper guard plate, now, the pulling force of spring will discharge, due to bumper guard plate support component and bumper guard plate
The effect of contraction of support frame, extra heavy pipe will be entered for the tubule in the bumper guard plate support component of gap cooperation, total length shortens, and protects
Dangerous thick stick backplate will move down under the constraint of said structure along buffering energy-absorbing block, and hang and be attached to automotive front end.
When pedestrian lower leg touches the moment of buffering energy-absorbing block, that is, the piezoelectric transducer on buffering energy-absorbing block is triggered, is passed
Sensor receives collision alarm, is handled by controller and starts gas generator, and the air bag moment on bonnet is inflated
It is swelling, effectively avoid or mitigate the suffered injury of pedestrian head.Bumper buffering energy-absorbing block can slow down the collision to pedestrian simultaneously
Power, and can effectively prevent pedestrian from being knocked down under underbody.
The present invention gathers vapour by using ultrasonic range finder detection the distance between automobile and pedestrian value by accelerometer
Acceleration magnitude during car emergency brake, when controller detects acceleration magnitude and distance value while reaches limit value, described in startup
Gas generator performs charge operation to the bumper air bag, opens the bumper airbag cushion, with this
To slow down shock dynamics of the automobile to pedestrian, so as to realize the purpose of bumper protection pedestrains safety.
Meanwhile 4 piezoelectric transducer Receiving collision signals by being distributed on bumper buffer stopper, pass through controller
Processing by piezoelectric transducer transmission Lai signal, and inflator is electrically activated according to the order of severity of predetermined collision, on bonnet
Air bag be inflated, can effectively avoid or mitigate pedestrian head coming to harm.
Brief description of the drawings
Fig. 1 bumper system assembling schematic diagrams；
Fig. 2 bumper air-bag module exploded views；
Fig. 3 bumper air-bag module assembling schematic diagrams；
Fig. 4 bonnet air bag schematic diagrames；
Fig. 5 dual air bags control devices installation position schematic diagram
Component in figure is：
1st, bumper guard plate；2nd, upper bumper web beam；
3rd, bumper air-bag module installation place；4th, bumper guard plate support beam；
5th, link up with；6th, bumper guard plate support component one；
7th, lower bumper buffering energy-absorbing block；8th, lower bumper web beam；
9th, bumper guard plate support component two；10th, bumper guard plate support frame；
11st, upper and lower bumper connecting bracket；12nd, longeron；
13rd, longeron and bumper guard plate support frame connecting rod；14th, bumper air bag support；
15th, bumper air-bag module；16th, bumper air-cushion inflator；
17th, bumper air bag；18th, bumper air bag retainer；
19th, stud；20th, nut；
21st, bumper system；22nd, piezoelectric transducer；
23rd, bonnet；24th, bonnet air-bag module storage room；
25th, bonnet air bag；26th, bonnet air-cushion inflator；
27th, central processing unit；28th, radar detedtor；
29th, accelerometer；30th, bumper safety air sac controller；
31st, ultrasonic range finder.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings：
The present invention provides a kind of automotive front pedestrian protection for having dual air bags and dual fail-safe thick stick, and the device both may be used
Effectively protection pedestrains safety, also plays preferable protective effect with occupant safety in itself to automobile.
As an embodiment of the present invention, the present invention provides a kind of automotive front pedestrian protection as shown in Figure 1, bag
Include bumper guard plate, upper and lower layer bumper, bumper air bag system, bonnet air bag system etc..
Upper strata bumper of the present invention is made up of upper bumper web beam 2, bumper air-bag module 15 etc., on
The shape of bumper web beam 2 is in side U-shaped.The upper bumper web beam 2 is both the skeleton of upper strata bumper, is to protect again
The dangerous installation of thick stick air-bag module 15 part, in side U-shaped, bumper air-bag module 15 is arranged on the front portion of web beam,
Be made of high-strength steel sheet, to meet intensity requirement, and make its reduce as far as possible deformation with fully by collision energy distribute to
Front longitudinal transmits to body tail is scattered.
Bumper air bag system of the present invention mainly includes bumper air-bag module 15, bumper substitute
Capsule controller 30, accelerometer 29, ultrasonic range finder 31.Bumper air-bag module 15 mainly includes bumper substitute
Capsule 17, bumper air-cushion inflator 16, bumper air bag retainer 14.
Before bumper air-bag module 15 of the present invention is arranged on upper bumper web beam 2 as shown in Figure 2-5
Portion, bumper air bag 17 is enclosed in the front portion of bumper air-bag module 15, together with bumper air bag support 14
It is fixed on upper bumper web beam 2.The bumper safety air sac controller 30 is installed on the left of instrument board in the car, is accelerated
Degree meter 29 is arranged on automobile top cover side, and ultrasonic range finder 31 is arranged on the inside of front windshield.
Bumper air-bag module 15 of the present invention passes through connection bumper air-cushion inflator 16
With bumper safety air sac controller 30, adding when the bumper safety air sac controller 30 connects detection automobile brake in real time
The accelerometer 29 of velocity amplitude, and the ultrasonic range finder 31 of distance value between bumper and pedestrian, the insurance are detected in real time
When thick stick safety air sac controller 30 detects acceleration magnitude and distance value while reaches limit value, bumper air bag gas hair
Raw device 16 will start to be inflated to bumper air bag 17, opens the expansion of bumper air bag 17.
Lower floor's bumper of the present invention is made up of lower bumper web beam 8 and lower bumper buffering energy-absorbing block 7, lower guarantor
The length of dangerous thick stick buffering energy-absorbing block 7 matches with width and lower bumper web beam 8, by multiple bolts be arranged on it is described under
The front portion of bumper web beam 8, when pedestrian impact is to lower floor's bumper, it can effectively absorb impact energy by buffering energy-absorbing block
Amount, plays certain cushioning effect, reduces the injury to caused by pedestrian, and vehicle can effectively subtract when by head-on crash
The gently secondary injury to occupant and the infringement to vehicle in itself.
Another air bag system is installed, on automobile engine cover 23 of the present invention on lower floor's bumper buffer stopper
4 piezoelectric transducers 22 of cloth, the piezoelectric transducer 22 receive collision alarm, pass through bumper safety air sac controller
The signal that 30 processing are transmitted by piezoelectric transducer 22, and bonnet air bag gas are electrically activated according to predetermined impact severity
Generator 26, the bonnet air bag 25 on the bonnet are inflated, can effectively avoid or mitigate what pedestrian head was subject to
Injury.
Bonnet air bag system of the present invention includes air-bag module, 4 piezoelectric transducers 22, centres
Device 27, radar detedtor 28 etc. are managed, 4 piezoelectric transducers 22 are uniformly arranged on lower bumper buffer stopper 7, central processing unit
In the car on the left of instrument board, central processing unit 27 is SCM system, piezoelectric transducer 22 and central processing unit 27 for 27 installations
It is connected, radar detedtor 28 is arranged in automobile above front windshield.
Bonnet 23 of the present invention is made up of front and rear two parts, 1/3 after bonnet at be provided with bonnet substitute
Capsule component storage room 24, bonnet air bag 25 and bonnet air-cushion inflator 26 are arranged in storage room.Institute
State 4 piezoelectric transducers 22 with central processing unit 27 to be connected, piezoelectric transducer 22 is by detecting on collision rear bumper
The change of pressure, convert thereof into electric signal and be input on central processing unit 27, central processing unit 27 is connected with radar, supervises thunder
Up to work, and the signal fed back by radar is received, judging whether to signal starts bonnet air-cushion inflator
26, the object detection area of radar detedtor 28 is 1/3 region after bonnet（This is the region that pedestrian head typically touches）.
Bumper guard plate 1 of the present invention is located at headstock front end, surrounds whole bumper system 21 up and down, bumper shield
Two hooks 5 are fixed at two angles of plate inside front end, and two hooks 5 are hung in the both ends of bumper guard plate support beam 4, hook 5
Structure is thinner at suspension, and the bar portion structure of hook is thicker, plastic material.When bumper air bag 17 is swelling, two hooks 5 will
It can be torn.
Two hooks bar portion of the present invention fixes two groups of cylindrical fuse thick stick baseboard support components, cylindrical fuse respectively
Thick stick baseboard support component is made up of two different pipe fittings of thickness and spring, and the both ends of spring are separately fixed at hook bar portion and guarantor
On dangerous thick stick guard-board carriage, two pipe fitting thicknesses are different, coordinate for gap, and under normal circumstances, spring is in the state that is stretched, and two
Pipe assembling total length is equal to independent two length of tube sum.
When bumper safety air sac controller 30 detects the distance of pickup and automobile and pedestrian while reaches limit
During definite value, bumper air-cushion inflator 16 will start to be inflated to bumper air bag 17, bumper air bag
17 moments were inflated, and now bumper air bag 17 effectively will protect pedestrian's trunk and leg；By bumper substitute
The strength that capsule 17 expands, two Plastic hangers 5 will be pulled apart at suspension by moment, and bumper guard plate 1 is also pushed open by moment, but be insured
Thick stick baseboard support component 6 is connected with bumper guard plate 1, and now, the pulling force of spring will discharge, due to bumper guard plate support component
6 and the effect of contraction of bumper guard plate support frame 10, the tubule in the bumper guard plate support component 6 that gap coordinates will enter thick
Pipe, total length shorten, and bumper guard plate 1 will move down, and hang patch under said structure constraint along buffering energy-absorbing block 7
It is attached to automotive front end.
Meanwhile when pedestrian lower leg touches the moment of buffering energy-absorbing block, that is, trigger the piezoelectric type sensing on buffering energy-absorbing block
Device 22, piezoelectric transducer 22 receive collision alarm, are handled by bumper safety air sac controller 30 and start bonnet peace
Full air bag gas generator 26, the moment of bonnet air bag 25 on bonnet are inflated swelling, effectively avoid or mitigate row
Head part is suffered to be injured.It can slow down the impact force to pedestrian with bumper buffering energy-absorbing block 7 at present, and can effectively prevent pedestrian
Knocked down under underbody.
The above described is only a preferred embodiment of the present invention, it is not the limit for making any other form to the present invention
System, and any modification made according to technical spirit of the invention or equivalent variations, still fall within present invention model claimed
Enclose.
Claims (4)
1. a kind of automotive front pedestrian protection for having dual air bags and dual fail-safe thick stick, including bumper guard plate（1）, up and down
Two layers of bumper system, bumper air bag system and bonnet air bag system, it is characterised in that：
Bumper system（21）It is divided into two layers up and down, upper strata bumper includes upper bumper web beam（2）With bumper safety
Air bag component（15）, the bumper air-bag module（15）Including bumper air bag support（14）, bumper safety
Air bag gas generator（16）, bumper air bag（17）With bumper air bag retainer（18）, the bumper peace
Full air bag gas generator（16）It is cased with bumper air bag retainer outside（18）, the bumper air bag（17）Parcel
In bumper air-cushion inflator（16）Outside, the bumper air-bag module of upper strata bumper（15）Pass through correspondingly
Bumper air bag support（14）Installed in upper strata bumper web beam（2）Front bumper air-bag module installation
Place（3）It is interior, the upper strata bumper web beam（2）Pass through stud（19）And nut（20）Fix in the car, lower floor is protected
Dangerous thick stick includes lower bumper buffering energy-absorbing block（7）With lower bumper web beam（8）, the lower bumper buffering energy-absorbing block（7）
In lower bumper web beam（8）Front side, pass through upper and lower bumper connecting bracket between upper strata bumper and lower floor's bumper
（11）It is connected；
The bumper air bag system includes accelerometer (29), bumper safety air sac controller（30）And ultrasound
Distance meter (31), the bumper safety air sac controller（30）Install on the left of instrument board in the car, the accelerometer（29）Peace
Mounted in automobile top cover side, the ultrasonic range finder（31）On the inside of front windshield, the bumper air bag
Controller（30）Bumper air-bag module is connected by connection（15）, bumper air-cushion inflator
（16）, accelerometer (29) and ultrasonic range finder (31)；
Automobile engine cover（23）On have a bonnet air bag system, the bonnet air bag system includes bonnet safety
Air bag component, 4 piezoelectric transducers（22）, central processing unit（27）And radar detedtor（28）, the bonnet substitute
Capsule component includes bonnet air bag（25）With bonnet air-cushion inflator（26）, the bonnet air bag
（25）With bonnet air-cushion inflator（26）It is arranged on automobile engine cover（23）Bonnet air-bag module storage
Deposit room（24）It is interior, 4 piezoelectric transducers（22）It is distributed on lower floor's bumper buffer stopper（7）On, the central processing unit（27）
Install on the left of instrument board in the car, the radar detedtor（28）Above front windshield in automobile, 4 piezoelectric types pass
Sensor（22）And radar detedtor（28）Pass through connecting line and central processing unit（27）It is connected；
The pedestrian protection also includes bumper guard plate（1）, the bumper guard plate（1）Surrounded positioned at headstock front end
Lower two layers of bumper system, the bumper guard plate（1）With bumper guard plate support frame connecting rod（13）Pass through corresponding longeron
（12）It is connected, the bumper guard plate（1）Two hooks are fixed at two angles of inside front end（5）, two hooks（5）It is hung in insurance
Thick stick baseboard support crossbeam（4）Both ends, the hook（5）Structure is thin at suspension, and the bar portion structure of hook is thick, when bumper safety
Air bag（17）When swelling, two hooks（5）It can be torn, the hook（5）Bar portion fix respectively two groups cylinder bumpers
Baseboard support component, bumper guard plate support component one（6）With bumper guard plate support component two（9）By thickness it is different two
Individual pipe fitting and spring composition, the both ends of spring are separately fixed at hook（5）Bar portion and bumper guard plate support frame（10）On, work as bullet
Spring is in the state that is stretched, and two pipes assembling total length is equal to independent two length of tube sum.
2. a kind of automotive front pedestrian protection for having dual air bags and dual fail-safe thick stick according to claim 1, its
It is characterised by：The upper bumper web beam（2）Shape is in side U-shaped.
3. a kind of automotive front pedestrian protection for having dual air bags and dual fail-safe thick stick according to claim 1, its
It is characterised by：The bumper buffering energy-absorbing block（7）Length and width and lower bumper web beam（8）Match, pass through
One row's fixture is arranged on the lower bumper web beam（8）Front portion.
4. a kind of automotive front pedestrian protection for having dual air bags and dual fail-safe thick stick according to claim 1, its
It is characterised by：The bonnet air-bag module storage room（24）In automobile engine cover（23）Afterwards at 1/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065292.6A CN105501171B (en) | 2016-02-01 | 2016-02-01 | A kind of automotive front pedestrian protection for having dual air bags and dual fail-safe thick stick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065292.6A CN105501171B (en) | 2016-02-01 | 2016-02-01 | A kind of automotive front pedestrian protection for having dual air bags and dual fail-safe thick stick |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105501171A CN105501171A (en) | 2016-04-20 |
| CN105501171B true CN105501171B (en) | 2017-11-17 |
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ID=55709607
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610065292.6A Active CN105501171B (en) | 2016-02-01 | 2016-02-01 | A kind of automotive front pedestrian protection for having dual air bags and dual fail-safe thick stick |
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| CN (1) | CN105501171B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101694062B1 (en) * | 2015-10-01 | 2017-01-09 | 현대자동차주식회사 | Front structure of vehicle |
| CN109637075B (en) * | 2018-11-08 | 2021-03-19 | 广州特贝科技信息有限公司 | Air bag isolation protection device for construction machinery approaching high-voltage line alarm |
| 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 |
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| CN105501171A (en) | 2016-04-20 |
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