CN106553606A - Side face collision safety protection system and its method, automobile safety system - Google Patents
Side face collision safety protection system and its method, automobile safety system Download PDFInfo
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- CN106553606A CN106553606A CN201510621049.3A CN201510621049A CN106553606A CN 106553606 A CN106553606 A CN 106553606A CN 201510621049 A CN201510621049 A CN 201510621049A CN 106553606 A CN106553606 A CN 106553606A
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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
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0132—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
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Abstract
The invention provides a kind of side face collision safety protection system and its method, automobile safety system, are related to field of automobile safety, to solve the problems, such as that automobile side impact protection system protects poor to passenger's shoulder.The side face collision safety protection system includes radar sensor, pre- protection gas-bag system and electronic control unit；Relative acceleration α and relative distance L of radar sensor collection collision front door and car lateral surface barrier; electronic control unit judges car crass probability according to relative acceleration α and relative distance L; and by term restriction make it is pre- protection gas-bag system when collision has not occurred; started according to the quick-fried instruction of pre-protection point that electronic control unit sends; the air bag that promotes of ejection is made to promote passenger to the side shifting away from the car door; increase car door and the distance of passenger; when avoiding side collision from occurring, the problem of passenger's shoulder injuries.Side face collision safety protection system of the present invention is used for field of automobile safety.
Description
Technical field
The present invention relates to technical field of vehicle safety, more particularly to side face collision safety protection system and its method,
Automobile safety system.
Background technology
Automobile is a kind of walking-replacing tool very common in daily life, and the trip that it gives people brings huge
Convenience, but there is also certain potential safety hazard, the personal safety to driver causes certain harm.
In order to ensure driving safety, before automobile dispatches from the factory, typically safety evaluation can be carried out to automobile, to judge automobile
Whether safety requirements is met.In order that automotive safety evaluation criterion, phase has all been put into effect in many countries and regions
The new car safety evaluation code answered；Wherein, the European new car safety evaluation code (That in January, 2015 implements
European New Car Assessment Programme, abbreviation E-NCAP) European new car peace to old edition
Full assessment routine is improved, and makes the test condition of 50km/h side collision operating modes become more severe；And
Evaluation to dummy's injury proposes more strict requirements, also add shoulder masterpiece for point penalty item.
And existing automobile side impact protection system starts after side collision generation, it is impossible to which passenger is entered
Row is pre- to be protected.When automobile occurs side collision to be occurred, by putting on the quick-fried and closest vehicle seat of car door
Installing side airbag protection system so as to eject protection air bag, is deformed to passenger's with buffering car door during side collision
Extruding.But, as the space between the minimum vehicle seat of car door and its distance is less, especially sit in passenger
After on vehicle seat, shoulder is less with the distance of car door, the air bag volume ejected by such side impact protection system
Smaller, air bag is difficult to buffer the extruding that car door deformation causes the shoulder of passenger；Therefore, existing automobile side
Face collision protection system protects poor to passenger's shoulder, it is difficult to meet existing European new car safety evaluation code
Require.
The content of the invention
In view of this, it is contemplated that proposing side face collision safety protection system, to solve existing automobile side
Collision protection system protects poor problem to passenger's shoulder.
To reach above-mentioned purpose, the technical scheme is that what is be achieved in that：
A kind of side face collision safety protection system, including radar sensor, electronic control unit and pre- shielding gas
Bag system；Wherein,
The radar sensor is used for relative acceleration α for gathering car door and car lateral surface barrier before colliding
With relative distance L, to be sent to the electronic control unit；
The electronic control unit is connected with the radar sensor signal, for according to the relative acceleration
α and relative distance L, acquisition move to the phase of the car door from the current location of the car lateral surface barrier
Estimated time T needed for when adjusting the distance as zero；When the estimated time T≤preset time T0When, the electricity
Sub-control unit sends the quick-fried instruction of pre-protection point to the pre- protection gas-bag system；
The pre- protection gas-bag system is connected with the electronic control unit signal, for according to the pre- protection
The quick-fried instruction of point starts, and makes the air bag that promotes of ejection promote passenger to the side shifting away from the car door.
Preferably, also including acceleration transducer and installing side airbag protection system；
The acceleration transducer is connected with the electronic control unit signal, for gathering vehicle body side collision
Acceleration alpha ', to be sent to the electronic control unit；
The electronic control unit is connected with the installing side airbag protection system signal, in the body side
Face collision accelerates α ' >=default side crash acceleration α0When, collision is sent to the installing side airbag protection system
The quick-fried instruction of point；
The installing side airbag protection system for according to the point of impingement it is quick-fried instruction start to eject protection air bag,
The protection air bag is made to be located between the car door and the promotion air bag.
Preferably, it is described it is pre- protection gas-bag system and the installing side airbag protection system include folding up air bag with
And the gas generator being connected with folding up air bag；Wherein,
The gas generator for according to the pre-protection point it is quick-fried instruct to the folding up air bag inflate to obtain
The promotion air bag；
The gas generator for according to the point of impingement it is quick-fried instruct to the folding up air bag inflate to obtain
State protection air bag.
Preferably, the pre- protection gas-bag system and the installing side airbag protection system are each provided at and the car door
On the backrest of closest vehicle seat, the one side of the backrest and the back contact of the driver be provided with for
Eject first tear line for promoting air bag and eject the second tear line of the protection air bag；Wherein,
Second tear line is located between first tear line and the car door；Second tear line sets
At the vehicle seat position closest with the car door.
Preferably, also including for fixing the pre- protection gas-bag system and the installing side airbag protection system
Mounting rod, the mounting rod are located at the rear side of the backrest.
Relative to prior art, side face collision safety protection system of the present invention has the advantage that：
In the side face collision safety protection system that the present invention is provided, by radar sensor and Electronic Control list
Unit is engaged, and makes relative acceleration α of car door and car lateral surface barrier before radar sensor collection collision
With relative distance L, estimated out from the current location of car lateral surface barrier using electronic control unit computing and moved
Estimated time T needed for when moving the relative distance of car door for zero, then judges whether estimated time T is little
In equal to preset time T0, to judge whether automobile has the risk that side collision occurs；If there is side
The risk of face collision, then put quick-fried pre- protection gas-bag system, make the promotion air bag of ejection push passenger away from car to
The distance increase of the side of door, i.e. passenger's car door closest with which；And passenger's car closest with which
The distance of door is bigger, and in collision scenario, occupant is also less with the relative acceleration of car door, car door
Also lower with the contact force of passenger, car door is corresponding with the time of contact of passenger also shorter, therefore, this
When the side face collision safety protection system that invention is provided can reduce collision, car door deformation is made to passenger's shoulder
Into damage.And, by whether estimated time T is less than or equal to preset time T0Contrasted, can be with
Precise control protects gas-bag system to eject the time for promoting air bag in advance, prevents from causing because promoting air bag to eject too early
It is dangerous or promote air bag to eject too late so that the problem of pre- protection cannot be carried out to passenger.
Another object of the present invention is to a kind of side face collision safety guard method is proposed, to solve existing automobile
Side impact protection system protects poor problem to passenger's shoulder.To reach above-mentioned purpose, the skill of the present invention
Art scheme is realized in：
A kind of side face collision safety guard method, is protected using the side face collision safety described in above-mentioned technical proposal
System, including：
Relative acceleration α of car door and car lateral surface barrier before radar sensor collection collision and it is relative away from
From L, electronic control unit is sent to；
The electronic control unit is obtained from outside the car according to relative acceleration α and relative distance L
Estimated time T needed for when the current location of flanking obstacle moves to the relative distance of the car door for zero,
By the estimated time T and preset time T0Contrasted；Wherein,
When the estimated time T≤preset time T0When, the electronic control unit is to pre- protection gas-bag system
Send the quick-fried instruction of pre-protection point；The pre- protection gas-bag system starts according to the quick-fried instruction of the pre-protection point, makes
The air bag that promotes of ejection promotes passenger to the side shifting away from the car door；
As the estimated time T>Preset time T0When, by the preset time T0With estimate described in next group
Time, T was contrasted.
Preferably, the side face collision safety protection system also includes that acceleration transducer and installing side airbag are protected
System；The acceleration transducer is connected with the electronic control unit signal, the installing side airbag protection system
System is connected with the electronic control unit signal；
The acceleration transducer gathers vehicle body side crash acceleration α ', is sent to the electronic control unit；
The electronic control unit is by vehicle body side crash acceleration α ' with default side crash acceleration α0
Contrasted；
When vehicle body side crash acceleration α ' >=default side crash acceleration α0When, the Electronic Control
Unit sends the quick-fried instruction of the point of impingement to installing side airbag protection system；The installing side airbag protection system is according to described
The quick-fried instruction of the point of impingement starts, and the protection air bag of ejection is located between the car door and the promotion air bag；
When vehicle body crash acceleration α '<Default crash acceleration α0When, by the default crash acceleration
α0With vehicle body crash acceleration α described in next group ' contrasted.
Preferably, the pre- protection gas-bag system and the installing side airbag protection system are each provided at and the car door
On the backrest of closest vehicle seat, the backrest and the one side of the back contact of the driver are provided with use
In the second tear line for ejecting first tear line for promoting air bag and the ejection protection air bag；Wherein,
Second tear line is located between first tear line and the car door；Second tear line sets
At the vehicle seat position closest with the car door；
The pre- protection gas-bag system starts according to the quick-fried instruction of the pre-protection point, and the promotion air bag is from described
First tear line is ejected, and the shoulder, waist and chest with the passenger is contacted；
The installing side airbag protection system starts according to the quick-fried instruction of the point of impingement, and the protection air bag is from described
Second tear line is ejected.
Preferably, it is described it is pre- protection gas-bag system and the installing side airbag protection system include folding up air bag with
And the gas generator being connected with folding up air bag；
The gas generator is inflated according to quick-fried the instruction to the folding up air bag of the pre-protection point, obtains described
Promote air bag；
The gas generator is inflated according to quick-fried the instruction to the folding up air bag of the point of impingement, obtains the guarantor
Shield air bag.
Relative to prior art, side face collision safety guard method of the present invention has the advantage that：
The side face collision safety guard method is with above-mentioned side face collision safety protection system relative to prior art
It is had the advantage that identical, will not be described here.
Another object of the present invention is to a kind of automobile safety system is proposed, to solve existing automobile side
Collision protection system protects poor problem to passenger's shoulder.To reach above-mentioned purpose, the technical side of the present invention
What case was realized in：
A kind of automobile safety system, the automobile safety system are provided with described in above-mentioned technical proposal
Side face collision safety protection system.
Relative to prior art, automobile safety system of the present invention has the advantage that：
The automobile safety system is had relative to prior art with above-mentioned side face collision safety protection system
Some Dominant Facies are same, will not be described here.
Description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, and the present invention's shows
Meaning property embodiment and its illustrated for explaining the present invention, does not constitute inappropriate limitation of the present invention.In accompanying drawing
In：
Fig. 1 is the workflow diagram of the side face collision safety protection system described in the embodiment of the present invention；
Description of reference numerals：
1- radar sensors, 2- electronic control units；
3- protects gas-bag system, 4- acceleration transducers in advance；
5- installing side airbag protection systems.
Specific embodiment
It should be noted that the embodiment and the feature in embodiment in the case where not conflicting, in the present invention
Can be mutually combined.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
Refer to Fig. 1, a kind of side face collision safety protection system provided in an embodiment of the present invention, including radar
Sensor 1, electronic control unit 2 and pre- protection gas-bag system 3；Wherein,
Radar sensor 1 be used for gather collision before car door and car lateral surface barrier relative acceleration α and
Relative distance L, to be sent to electronic control unit 2；
Electronic control unit 2 is connected with 1 signal of radar sensor, for according to relative acceleration α and relative
Apart from L, needed for when acquisition moves to the relative distance of car door for zero from the current location of car lateral surface barrier
Estimated time T；When estimated time T≤preset time T0When, electronic control unit 2 is to pre- protection air bag
System 3 sends the quick-fried instruction of pre-protection point；
Pre- protection gas-bag system 3 is connected with 2 signal of electronic control unit, for according to the quick-fried instruction of pre-protection point
Start, make the air bag that promotes of ejection passenger be promoted to the side shifting away from car door.
In vehicle traveling process, the phase of car door and car lateral surface barrier before the collection collision of radar sensor 1
To acceleration alpha and relative distance L, electronic control unit 2 is passed to, electronic control unit 2 is according to relative
The relative distance that acceleration and relative distance obtain moving to car door from the current location of car lateral surface barrier is
Estimated time T required when zero, then by estimated time T and preset time T0Contrasted, when estimating
Between T≤preset time T0When, electronic control unit 2 sends the quick-fried finger of pre-protection point to pre- protection gas-bag system 3
Order, pre- protection gas-bag system 3 are ejected and promote air bag to push far the passenger on the vehicle seat closest with car door to
From the side of the vehicle seat.In addition, radar sensor 1 gathers car door and car lateral surface barrier before collision
When relative acceleration α and relative distance L, it can be Real-time Collection, or setting certain intervals time
Collection.
The course of work of the side face collision safety protection system that above-described embodiment is provided in vehicle traveling process can
Know, be engaged by radar sensor 1 and electronic control unit 2, make radar sensor 1 gather collision
Relative acceleration α and relative distance L of front door and car lateral surface barrier, using electronic control unit 2
Computing is estimated out needed for when moving to the relative distance of car door for zero from the current location of car lateral surface barrier
Whether estimated time T, then judge estimated time T less than or equal to preset time T0, to judge that automobile is
The no risk with generation side collision；If the risk that side collision occurs, then quick-fried pre- protection air bag is put
The distance increase of system 3, the i.e. passenger car door closest with which, and passenger's car door closest with which
Distance it is bigger, in collision scenario, occupant is also less with the relative acceleration of car door, car door with
The contact force of passenger is also lower, and car door is corresponding with the time of contact of passenger also shorter, therefore, this
When the side face collision safety protection system of bright offer can reduce collision, car door deforms to caused by passenger's shoulder
Damage.And, by whether estimated time T is less than or equal to preset time T0Contrasted, can be with essence
Really the pre- protection gas-bag system 3 of control ejects the time for promoting air bag, prevent because promote air bag eject too late so that
The problem of pre- protection cannot be carried out to passenger.
It should be noted that due to promoting air bag to need to eject before collision occurs, but promotion gas can not be made
The ejection time of capsule affects passenger to ride too early；Therefore, to be collided according to vehicle, adult volume and a line
Test data etc. carries out comprehensive examination and evaluation, obtains preset time T0；It is additionally, since preset time T0It is according to car
The various integrated condition settings such as type, car body size and a line crash tests experimental data, it is impossible to Yi Gaier
By.
Please continue to refer to Fig. 1, the side face collision safety protection system that above-described embodiment is provided also includes acceleration
Sensor 4 and installing side airbag protection system 5；Acceleration transducer 4 is connected with 2 signal of electronic control unit,
Accelerate α ' for gathering vehicle body side collision, to be sent to electronic control unit 2；Electronic control unit 2 with
5 signal of installing side airbag protection system connects, for accelerating α ' >=default side collision to add in vehicle body side collision
Speed alpha0When, the quick-fried instruction of the point of impingement is sent to installing side airbag protection system 5；Installing side airbag protection system 5 is used
According to the point of impingement it is quick-fried instruction start so that eject protection air bag, and protect air bag be located at car door and promote gas
Between capsule.In addition, can be Real-time Collection during the collection vehicle body side collision acceleration α ' of acceleration transducer 4,
It can also be the collection of setting certain intervals time.
Before automobile occurs side collision, the promotion air bag that pre- protection gas-bag system 3 is ejected will be with car door distance
Passenger on nearest vehicle seat pushes the side away from the vehicle seat to, while 4 Real-time Collection car of acceleration transducer
Body side collision accelerates α ', is sent to electronic control unit 2；When vehicle body side collision accelerates α ' >=default side
Face crash acceleration α0When, i.e., electron control unit 2 judges that automobile occurs side collision, electron control
Unit processed 2 sends the quick-fried instruction of the point of impingement to installing side airbag protection system 5, and installing side airbag protection system 5 is with bullet
Go out to protect air bag, protection air bag is located at car door and is promoted between air bag.Before side collision occurs, make
Pre- protection gas-bag system 3 is ejected and promotes air bag to promote passenger to occur to the side shifting away from car door, and automobile
After side collision, the protection air bag that installing side airbag protection system 5 is ejected can will promote air bag to isolate with car door
Open, to increase the distance of passenger and car door, reduce acceleration when passenger is deformed with car door and passenger with
Time of contact after car door deformation；So as to further protect the shoulder of passenger from the wound caused by car door deformation
Evil.
It should be noted that the default side crash acceleration α in above-described embodiment0With preset time T0Equally,
And it is relevant with vehicle, car body size and a line impact test data, those skilled in the art adopt ability
Domain routine techniquess means can obtain the default side crash acceleration α0。
And, protection gas-bag system 3 and installing side airbag protection system 5 are each provided at closest with car door in advance
On the backrest of vehicle seat, backrest is provided with the one side of the back contact of driver and promotes the first of air bag for ejecting
Second tear line of tear line and ejection protection air bag；Wherein, the second tear line is located at the first tear line and car
Between door；Second tear line is located at vehicle seat and the closest position of car door.Due to pre- protection gas-bag system 3
It is for ejecting correspondence air bag with installing side airbag protection system 5 and takes advantage of side to be made from car door deformation to protect
Into injury；Therefore, by pre- protection gas-bag system 3 and installing side airbag protection system 5 be located in the car door away from
On the backrest of nearest vehicle seat, even if correspondence air bag can be ejected when needed, to protect passenger safety.
And pass through the position restriction of the first tear line and the second tear line, pre- protection gas-bag system 3 can be ejected
The position for protecting air bag that air bag and installing side airbag protection system 5 are ejected is promoted to be defined, to guarantee
Respective function is realized enough.
It should be noted that the position that the second tear line is arranged in above-described embodiment is conventional installing side airbag protection
System ejects the position of air bag, and the first tear line is preferably adjacent with the second tear line, and the second tear line
Between the first tear line and car door, so that protection gas-bag system 3 ejects promotion gas from the second tear line in advance
Capsule promotes passenger to the side shifting away from car door, and after automobile occurs side collision, installing side airbag protection system
System 5 can will promote air bag to keep apart with car door from the protection air bag that the first tear line is ejected, to increase passenger
With the distance of car door.
It should be noted that in order that protection gas-bag system 3 and installing side airbag protection system 5 can be more preferable in advance
Be fixed on backrest, be also provided with rear side of backrest for fixed pre- protection gas-bag system 3 and side gas
The mounting rod of capsule protection system 5.
Fig. 1 is referred to, the embodiment of the present invention additionally provides a kind of side face collision safety guard method, using upper
The side face collision safety protection system of technical scheme is stated, including：
Relative acceleration α of car door and car lateral surface barrier before the collection collision of radar sensor 1 and relative
Apart from L, electronic control unit 2 is sent to；
Electronic control unit 2 is obtained from car lateral surface and is hindered according to relative acceleration α and relative distance L
Estimated time T needed for when hindering the current location of thing to move to the relative distance of car door for zero, by the estimated time
T and preset time T0Contrasted；Wherein,
When estimated time T≤preset time T0When, electronic control unit 2 is sent to pre- protection gas-bag system 3
The quick-fried instruction of pre-protection point；Pre- protection gas-bag system 3 starts according to the quick-fried instruction of pre-protection point, makes the promotion of ejection
Air bag promotes passenger to the side shifting away from the car door；As estimated time T>Preset time T0When, will
Preset time T0Contrasted with next group of estimated time T.
Relative to prior art, the side face collision safety guard method of the embodiment of the present invention has the advantage that：
The side face collision safety guard method that the present embodiment is provided is relative with above-mentioned side face collision safety protection system
It is had the advantage that identical in prior art, will not be described here.
Please continue to refer to Fig. 1, and in order to passenger, above-mentioned reality are further protected when side collision occurs
The side face collision safety protection system that used of side face collision safety guard method for applying example offer also includes accelerating
Degree sensor 4 and installing side airbag protection system 5；Acceleration transducer 4 is connected with 2 signal of electronic control unit
Connect, installing side airbag protection system 5 is connected with 2 signal of electronic control unit；4 collecting vehicle of acceleration transducer
Body side crash acceleration α ', is sent to electronic control unit 2；Vehicle body side is touched by electronic control unit 2
Hit acceleration alpha ' with default side crash acceleration α0Contrasted；When vehicle body side crash acceleration α ' >=pre-
If side crash acceleration α0When, it is quick-fried that electronic control unit 2 sends the point of impingement to installing side airbag protection system 5
Instruction；Installing side airbag protection system 5 starts according to the quick-fried instruction of the point of impingement, makes the protection air bag of ejection be located at car
Between door and promotion air bag；When vehicle body crash acceleration α '<Default crash acceleration α0When, by default collision
Acceleration alpha0With next group of vehicle body crash acceleration α ' contrasted.The embodiment passes through existing side collision
4 Real-time Collection vehicle body side crash acceleration α of acceleration transducer in protection system ', send out in side collision
Installing side airbag protection system 5 is started by electronic control unit 2 after life, with 5 bullet of installing side airbag protection system
The protection air bag for going out is located at car door and promotes between air bag, increases the distance between passenger and car door, to enter one
Step protects passengers from the shoulder infringement problem caused by car door deformation.
In addition, it is closest with car door to protect gas-bag system 3 and installing side airbag protection system 5 to be each provided in advance
On the backrest of vehicle seat, the one side of backrest and the back contact of the driver is provided with for ejecting promotion air bag
The first tear line and eject protection air bag the second tear line；Wherein, the second tear line is positioned at the first tear
Between line and car door；Second tear line is located at vehicle seat and the closest position of car door；Pre- protection gas-bag system
3 start according to the quick-fried instruction of pre-protection point, promote air bag to eject from the first tear line, the shoulder, waist with passenger
Portion and chest contact；Installing side airbag protection system 5 according to the point of impingement it is quick-fried instruction start, protection air bag from
Second tear line is ejected.The present embodiment by pre- protection gas-bag system 3 and installing side airbag protection system 5 be located at
On the backrest of the closest vehicle seat of car door, while limiting the phase of the first tear line and the second tear line on backrest
To position relationship, to realize protecting the promotion air bag and installing side airbag protection system 5 of the ejection of gas-bag system 3 in advance
The function of the protection air bag of ejection.
Need explanation when, pre- protection gas-bag system 3 and installing side airbag protection system 5 include folding up air bag
And the gas generator being connected with folding up air bag；Gas generator is instructed to the folding according to pre-protection point is quick-fried
Folded air bag inflator, obtains and promotes air bag；Gas generator is filled according to quick-fried the instruction to the folding up air bag of the point of impingement
Gas, obtains protection air bag.
The embodiment of the present invention additionally provides a kind of automobile safety system, and automobile safety system color also has
The side face collision safety protection system that above-mentioned technical proposal is mentioned.
Relative to prior art, automobile safety system of the present invention has the advantage that：
The automobile safety system is had relative to prior art with above-mentioned side face collision safety protection system
Some Dominant Facies are same, will not be described here.
The automobile safety system is had relative to prior art with above-mentioned side face collision safety protection system
Dominant Facies it is same, will not be described here.
Presently preferred embodiments of the present invention is the foregoing is only, it is not to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in this
Within bright protection domain.
Claims (10)
1. side face collision safety protection system, it is characterised in that including radar sensor (1), Electronic Control
Unit (2) and pre- protection gas-bag system (3)；Wherein,
Relative acceleration of the radar sensor (1) for car door and car lateral surface barrier before collection collision
Degree α and relative distance L, to be sent to the electronic control unit (2)；
The electronic control unit (2) is connected with the radar sensor (1) signal, for according to described
Relative acceleration α and relative distance L, acquisition move to institute from the current location of the car lateral surface barrier
Estimated time T needed for when stating the relative distance of car door for zero；When the estimated time T≤preset time T0
When, the electronic control unit (2) sends the quick-fried instruction of pre-protection point to pre- protection gas-bag system (3)；
Pre- protection gas-bag system (3) is connected with the electronic control unit (2) signal, for basis
The quick-fried instruction of the pre-protection point starts, and makes the air bag that promotes of ejection promote passenger to the side away from the car door
It is mobile.
2. side face collision safety protection system according to claim 1, it is characterised in that also including plus
Velocity sensor (4) and installing side airbag protection system (5)；
The acceleration transducer (4) is connected with the electronic control unit (2) signal, for collecting vehicle
Body side crash acceleration α ', to be sent to the electronic control unit (2)；
The electronic control unit (2) is connected with installing side airbag protection system (5) signal, for
The vehicle body side collision accelerates α ' >=default side crash acceleration α0When, to installing side airbag protection it is
System (5) sends the quick-fried instruction of the point of impingement；
The installing side airbag protection system (5) is for starting according to the quick-fried instruction of the point of impingement ejecting shielding gas
Capsule, makes the protection air bag be located between the car door and the promotion air bag.
3. side face collision safety protection system according to claim 2, it is characterised in that the pre- guarantor
Shield gas-bag system (3) and the installing side airbag protection system (5) include folding up air bag and with folding gas
The gas generator that bag is connected；Wherein,
The gas generator for according to the pre-protection point it is quick-fried instruct to the folding up air bag inflate to obtain
The promotion air bag；
The gas generator for according to the point of impingement it is quick-fried instruct to the folding up air bag inflate to obtain
State protection air bag.
4. side face collision safety protection system according to claim 2, it is characterised in that the pre- guarantor
Shield gas-bag system (3) and the installing side airbag protection system (5) are each provided at closest with the car door
On the backrest of vehicle seat, the backrest is provided with for ejecting described pushing away with the one side of the back contact of the driver
Take offence capsule the first tear line and eject it is described protection air bag the second tear line；Wherein,
Second tear line is located between first tear line and the car door；Second tear line sets
At the vehicle seat position closest with the car door.
5. the side face collision safety protection system according to any one of claim 2-4, it is characterised in that
Also include for fixing the pre- peace for protecting gas-bag system (3) and the installing side airbag protection system (5)
Dress bar, the mounting rod are located at the rear side of the backrest.
6. a kind of side face collision safety guard method, it is characterised in that usage right requires the side described in 1
Collision safety protection system, including：
Relative acceleration α and phase of car door and car lateral surface barrier before radar sensor (1) collection collision
Adjust the distance L, is sent to electronic control unit (2)；
The electronic control unit (2) is obtained from described according to relative acceleration α and relative distance L
Estimated time needed for when the current location of car lateral surface barrier moves to the relative distance of the car door for zero
T, by the estimated time T and preset time T0Contrasted；Wherein,
When the estimated time T≤preset time T0When, the electronic control unit (2) is to pre- protection air bag
System (3) sends the quick-fried instruction of pre-protection point；Pre- protection gas-bag system (3) is according to the pre-protection point
Quick-fried instruction starts, and makes the air bag that promotes of ejection promote passenger to the side shifting away from the car door；
As the estimated time T>Preset time T0When, by the preset time T0With estimate described in next group
Time, T was contrasted.
7. side face collision safety guard method according to claim 6, it is characterised in that the side
Collision safety protection system also includes acceleration transducer (4) and installing side airbag protection system (5)；It is described to add
Velocity sensor (4) is connected with the electronic control unit (2) signal, the installing side airbag protection system
(5) it is connected with the electronic control unit (2) signal；
The acceleration transducer (4) gathers vehicle body side crash acceleration α ', is sent to the electronics control
Unit (2) processed；
The electronic control unit (2) is by vehicle body side crash acceleration α ' add with default side collision
Speed alpha0Contrasted；
When vehicle body side crash acceleration α ' >=default side crash acceleration α0When, the Electronic Control
Unit (2) sends the quick-fried instruction of the point of impingement to installing side airbag protection system (5)；The installing side airbag protection system
System (5) starts according to the quick-fried instruction of the point of impingement, the protection air bag of ejection is located at the car door and described is pushed away
Take offence between capsule；
When vehicle body crash acceleration α '<Default crash acceleration α0When, by the default crash acceleration
α0With vehicle body crash acceleration α described in next group ' contrasted.
8. side face collision safety guard method according to claim 7, it is characterised in that the pre- guarantor
Shield gas-bag system (3) and the installing side airbag protection system (5) are each provided at closest with the car door
On the backrest of vehicle seat, the one side of the backrest and the back contact of the driver is provided with described for ejecting
The first tear line for promoting air bag and the second tear line for ejecting the protection air bag；Wherein,
Second tear line is located between first tear line and the car door；Second tear line sets
At the vehicle seat position closest with the car door；
It is described it is pre- protection gas-bag system (3) according to the pre-protection point it is quick-fried instruction start, it is described promotion air bag from
First tear line is ejected, and the shoulder, waist and chest with the passenger is contacted；
The installing side airbag protection system (5) according to the point of impingement it is quick-fried instruction start, it is described protection air bag from
Second tear line is ejected.
9. side face collision safety guard method according to claim 7, it is characterised in that the pre- guarantor
Shield gas-bag system (3) and the installing side airbag protection system (5) include folding up air bag and with folding gas
The gas generator that bag is connected；
The gas generator is inflated according to quick-fried the instruction to the folding up air bag of the pre-protection point, obtains described
Promote air bag；
The gas generator is inflated according to quick-fried the instruction to the folding up air bag of the point of impingement, obtains the guarantor
Shield air bag.
10. a kind of automobile safety system, it is characterised in that the automobile safety system is provided with power
Profit requires the side face collision safety protection system any one of 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510621049.3A CN106553606A (en) | 2015-09-25 | 2015-09-25 | Side face collision safety protection system and its method, automobile safety system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510621049.3A CN106553606A (en) | 2015-09-25 | 2015-09-25 | Side face collision safety protection system and its method, automobile safety system |
Publications (1)
| Publication Number | Publication Date |
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| CN106553606A true CN106553606A (en) | 2017-04-05 |
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ID=58414118
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| CN201510621049.3A Pending CN106553606A (en) | 2015-09-25 | 2015-09-25 | Side face collision safety protection system and its method, automobile safety system |
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