CN108189801A - Motor vehicle air bag formula seat belt apparatus and its control method - Google Patents
Motor vehicle air bag formula seat belt apparatus and its control method Download PDFInfo
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- CN108189801A CN108189801A CN201711462530.8A CN201711462530A CN108189801A CN 108189801 A CN108189801 A CN 108189801A CN 201711462530 A CN201711462530 A CN 201711462530A CN 108189801 A CN108189801 A CN 108189801A
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- air sac
- air
- waist
- control valve
- shoulder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/28—Safety belts or body harnesses in vehicles incorporating energy-absorbing devices
-
- 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
-
- 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
- B60R21/015—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 the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
- B60R21/01516—Passenger detection systems using force or pressure sensing means
-
- 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
- B60R2021/01204—Actuation parameters of safety arrangents
- B60R2021/01252—Devices other than bags
- B60R2021/01265—Seat belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/28—Safety belts or body harnesses in vehicles incorporating energy-absorbing devices
- B60R2022/282—Safety belts or body harnesses in vehicles incorporating energy-absorbing devices using fluids or vico-elastic materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention discloses motor vehicle air bag formula seat belt apparatus and its control method, including inflatable discouraged air bag type safety belt system and fixing device；Inflatable discouraged air bag type safety belt system is fixed on by fixing device on automobile seat；Shoulder air sac bag body and waist air sac bag body in inflatable discouraged air bag type safety belt system are able to automatic inflating and lose heart automatically；Speed is acquired using vehicle speed sensor, when speed is more than threshold value, two air sac bag bodies are realized under ECU controls by air inlet pipeline, intake valve and feeder inflate respectively；In emergency braking or head-on crash, two air sac bag bodies lose heart, and two air sac bag bodies discharge the gas in air sac bag body to air under ECU controls respectively by pipeline, the gas bleeder valve of losing heart at this time；Accurate control of the occupant to the pressure realization aeration quantity of seat is acquired according to pressure sensor in gas replenishment process, accurate control air leakage amount is realized according to the value of gas pressure sensor in bleeding process.
Description
Technical field
The invention belongs to field of automobile safety more particularly to a kind of motor vehicle air bag formula seat belt apparatus and its controlling parties
Method.
Background technology
Automobile safety belt system is the important component of passenger protection.Conventional security band system is mainly by flat long and narrow
The compositions such as shoulder belt, flat long and narrow waistband, buckle, buckle lock.When emergency braking or head-on crash occur for motor vehicle, occupant
It under the action of inertia force, bumps forward, shoulder belt applies occupant's shoulder, chest restraining force backward at this time, and waistband is to occupant
Waist applies restraining force backward, common that occupant is inhibited to travel forward, and avoids occupant and interior inside gadget (such as steering wheel, instrument
Dial plate, front-row seats etc.) it collides or mitigates occupant and the impact strength of interior inside gadget, so as to reduce occupant injury.
However, in place of conventional security band system Shortcomings：1) shoulder belt, waistband can only solely apply backward occupant
Restraining force inhibits travelling forward for occupant, fails to absorb the energy that occupant bumps forward, leads to the positions such as occupant's head, chest
It, still can be by different degrees of injury because of huge inertia force；2) long and narrow shoulder belt and occupant's shoulder, chest contact area compared with
Small, while restraining force is applied to shoulder, chest, itself can generate larger extruding to shoulder, chest, cause shoulder,
Chest injures；3) contact area of long and narrow waistband and occupant's waist is smaller, while restraining force is applied to waist, itself
Larger extruding can be generated to waist, waist is caused to injure.
Invention content
For the above situation, the present invention provides a kind of motor vehicle air bag formula seat belt apparatus and its control method, motor-driven
When emergency braking or head-on crash occur for vehicle, it can increase and the contact area of occupant's shoulder, chest and waist, effectively absorption
The energy that occupant bumps forward protects occupant safety.
The present invention is achieved through the following technical solutions above-mentioned technical purpose.
Motor vehicle air bag formula seat belt apparatus includes air bag type safety belt system, headrest, headrest guide rod, backrest, cushion, control
Device processed (referred to as " ECU "), the master switch, vehicle speed sensor, the pressure sensor that are connected respectively with ECU.The air bag type safety belt
System include shoulder air sac bag body, waist air sac bag body, ribbon A, ribbon B, coiler A, coiler B, buckle A, buckle lock A,
Buckle B, buckle lock B, gas pressure sensor A, gas pressure sensor B, air intake control valve A, the control valve A of losing heart, into gas control
Valve B processed, the control valve B that loses heart, air inlet pipeline AA, air inlet pipeline AB, the pipeline AC that loses heart, lose heart pipeline AD, air inlet pipeline BA, air inlet
Pipeline BB, the pipeline BC that loses heart, lose heart pipeline BD, feeder A, feeder B.
The vehicle speed sensor is mounted on vehicle body, the travel speed of the real-time collection vehicle of vehicle speed sensor energy.The pressure
Force snesor is installed in cushion, for measuring pressure of the occupant to cushion.
It is topmost headrest, headrest lower section is headrest guide rod, and headrest is fixedly connected with headrest guide rod, and headrest guide rod insertion is leaned on
In the back of the body, for adjusting height of headrest, cushion is connected in front of backrest bottom end.
The coiler A is installed on the backrest upper right corner；The coiler B is installed on the rear on the right side of cushion, and turns forward
Tiltedly；The buckle lock A, buckle lock B are installed on the rear on the left of cushion, and all turn forward, and buckle lock B is located at buckle lock A's
Front.
The shoulder air sac bag body, waist air sac bag body are all in flat, and are all hollow structure, internal initial gas
Experiment measures when body pressure value is by dispatching from the factory, if shoulder air sac bag body, the test value of waist air sac bag body are respectively S1, S2, and S1,
S2 is fixed value.When occupant wear air bag type safety belt system when, shoulder air sac bag body be from top to bottom inclined cross successively occupant's shoulder,
Chest, and only shoulder air sac bag body is in contact with occupant's shoulder, chest, waist air sac bag body only has across occupant's waist
Waist air sac bag body is in contact with occupant's waist.Gas is charged inside shoulder air sac bag body, waist air sac bag body, and is inflated
After, shoulder air sac bag body can be expanded to shoulder strip shaped air sac, and waist air sac bag body can be expanded to waist strip shaped air sac.Shoulder
One end of air sac bag body is connected with ribbon A, and the other end is connected with buckle A, and the width of shoulder air sac bag body is more than ribbon A's
Width；One end of waist air sac bag body is connected with ribbon B, and the other end is connected with buckle B, and the width of waist air sac bag body is big
In the width of ribbon B.
The ribbon A, ribbon B are furled respectively in coiler A, coiler B.Under normal circumstances, occupant can by ribbon A,
Ribbon B is arbitrarily pulled out from coiler A, coiler B respectively, and coiler A, coiler B can also automatically retract ribbon A, ribbon
B；When emergency braking occurs for motor vehicle or during head-on crash, coiler A locking ribbon A, coiler B locking ribbon B, make ribbon A,
Ribbon B cannot be drawn out.
When occupant wears air bag type safety belt system, ribbon A is pulled out from coiler A first, by ribbon B from retracting
It pulls out in device B, secondly buckle A is inserted into buckle lock A, buckle B is inserted into buckle lock B, you can；When occupant takes off gasbag-type
During restraint system, buckle A is detached from buckle lock A, buckle B is detached from buckle lock B, you can, coiler A withdraws ribbon A at this time,
Coiler B withdraws ribbon B.
The gas pressure sensor A is for the gas pressure inside acquisition shoulder air sac bag body in real time, shoulder strip shaped air sac
Power, gas pressure sensor B is for the gas pressure inside acquisition waist air sac bag body in real time, waist strip shaped air sac, gas pressure
Force snesor A, gas pressure sensor B are connected with ECU.
By being connected inside air inlet pipeline AA and shoulder air sac bag body, the other end leads to for one end of the air intake control valve A
It crosses air inlet pipeline AB with feeder A to be connected, air intake control valve A is used for shoulder air sac bag body inner inflatable.It is described to lose heart
One end of control valve A inside lose heart pipeline AC and shoulder strip shaped air sac by being connected, and the other end is by discouraged pipeline AD and greatly
Gas phase connects, and the control valve A that loses heart is used to discharge the gas inside shoulder strip shaped air sac.Air intake control valve A, lose heart control valve A with
ECU is connected, and the aperture for the control valve A that loses heart can be adjusted in real time.Under normal conditions, air intake control valve A and discouraged control valve A locate
In closed state.
By being connected inside air inlet pipeline BA and waist air sac bag body, the other end leads to for one end of the air intake control valve B
It crosses air inlet pipeline BB with feeder B to be connected, air intake control valve B is used for waist air sac bag body inner inflatable.It is described to lose heart
One end of control valve B inside lose heart pipeline BC and waist strip shaped air sac by being connected, and the other end is by discouraged pipeline BD and greatly
Gas phase connects, and the control valve B that loses heart is used to discharge the gas inside waist strip shaped air sac.Air intake control valve B, lose heart control valve B with
ECU is connected, and the aperture for the control valve B that loses heart can be adjusted in real time.Under normal conditions, air intake control valve B and discouraged control valve B locate
In closed state.
The air inlet pipeline AA is passed through inside buckle lock A, buckle A successively, until reaching inside shoulder air sac bag body；Institute
It states discouraged pipeline AC to pass through inside buckle lock A, buckle A successively, until reaching inside shoulder strip shaped air sac.The air inlet pipeline
BA is passed through inside buckle lock B, buckle B successively, until reaching inside waist air sac bag body；The discouraged pipeline BC is successively from band
It is passed through inside padlock B, buckle B, until reaching inside waist strip shaped air sac.
Preferably, described gas pressure sensor A one end is fixedly mounted in buckle A, and the other end is inserted into shoulder gasbag
Internal portion, described gas pressure sensor B one end are fixedly mounted in buckle B, and the other end is inserted into inside waist air sac bag body；Institute
Air intake control valve A, the control valve A that loses heart, air intake control valve B, the control valve B that loses heart is stated all to be fixedly installed in cushion；The gas supply
Device A, feeder B are the device for providing compressed air, such as air compressor, feeder A, feeder B and ECU phases
Even, it is generally the case that feeder A, feeder B are closed.
The control method of motor vehicle air bag formula seat belt apparatus, which is characterized in that include the following steps：
(1) before motor vehicle starts running, driver opens master switch；
(2) after motor vehicle starts running, the travel speed of the real-time collection vehicle of vehicle speed sensor, and be transmitted to ECU with
The threshold values of setting is compared.When speed is more than the threshold values of setting, ECU determines that motor vehicle air bag formula seat belt apparatus starts work
Make；
(3) pressure sensor measures pressure of the occupant on cushion to cushion, and is transmitted to ECU, and ECU is according to the pressure measured
Force value converses the weight of occupant；
(4) ECU controls air intake control valve A, air intake control valve B, feeder A, feeder B to open, while according to multiplying
The weight of member and shoulder air sac bag body during manufacture, initial gas pressure value S1, S2 inside waist air sac bag body, ECU controls supply
The air demand of device of air A, feeder B, feeder A pass sequentially through air inlet pipeline AB, air intake control valve A, air inlet pipeline AA
Gas is filled with to the inside of shoulder air sac bag body, feeder B passes sequentially through air inlet pipeline BB, air intake control valve B, air inlet pipeline BA
Gas is filled with to the inside of waist air sac bag body, after inflation, shoulder air sac bag body is expanded to shoulder strip shaped air sac, waist gas
Pouch body is expanded to waist strip shaped air sac, and ECU closes air intake control valve A, air intake control valve B, feeder A, feeder B,
At this point, compared to traditional ribbon, shoulder strip shaped air sac and the contact area of occupant's shoulder, chest significantly increase, waist bar shaped gas
The contact area of capsule and occupant's waist significantly increases, so when emergency braking or head-on crash occur for motor vehicle, in shoulder item
During shape air bag applies restraining force to occupant's shoulder, chest, the extruding to shoulder, chest can be effectively reduced, so as to subtract
Gently or shoulder, chest injury are avoided, during waist strip shaped air sac applies restraining force to occupant's waist, can effectively reduced
Extruding to waist, so as to which waist injury be alleviated or avoided；
(5) when the Vehicle Speed that ECU is acquired in real time according to vehicle speed sensor, judgement motor vehicle occur emergency braking or
During head-on crash, ECU first calculates deceleration when emergency braking or head-on crash occur for motor vehicle, while coiler A, volume
Device B difference locking ribbons A, ribbon B are received, shoulder strip shaped air sac constrains occupant's shoulder, chest, and waist strip shaped air sac is to multiplying
Member's waist is constrained；Secondly ECU is according to vehicle deceleration and occupant weight, and the discouraged control valve A of control in real time, lose heart control valve
The aperture of B makes the gas inside shoulder strip shaped air sac pass sequentially through discouraged pipeline AC, the control valve A that loses heart, the pipeline AD that loses heart and is discharged into
In air, the gas inside waist strip shaped air sac is made to pass sequentially through discouraged pipeline BC, the control valve B that loses heart, the pipeline BD that loses heart and is discharged into
In air, i.e., shoulder strip shaped air sac, waist strip shaped air sac lose heart, so as to absorb the energy that occupant bumps forward, farthest
The injury that occupant is subject to is alleviated or avoided；
(6) in shoulder strip shaped air sac, waist strip shaped air sac bleeding process, gas pressure sensor A, gas pressure sensing
Gas pressure inside the real-time acquisition shoulder strip shaped air sac of device B difference, waist strip shaped air sac, and gas pressure information is transmitted to
ECU, the gas pressure value inside shoulder strip shaped air sac, waist strip shaped air sac become shoulder air sac bag body, waist air bag respectively
Initial gas pressure value S1, S2 in the internal portion of bag, i.e. shoulder strip shaped air sac, waist strip shaped air sac revert to flat shoulder again
When portion's air sac bag body, waist air sac bag body, ECU closes the control valve A that loses heart, discouraged control valve B；
(7) when the Vehicle Speed that ECU is acquired in real time according to vehicle speed sensor, judge motor vehicle emergency braking or front
At the end of collision, ECU first determines whether shoulder strip shaped air sac, the gas pressure value inside waist strip shaped air sac become respectively
S1, S2,1) if the gas pressure value inside shoulder strip shaped air sac, waist strip shaped air sac has been respectively S1, S2, i.e. shoulder bar shaped gas
When capsule, waist strip shaped air sac revert to flat shoulder air sac bag body, waist air sac bag body again respectively, ECU determines motor-driven
Vehicle air bag type safety belt device terminates work；2) if the gas pressure value inside shoulder strip shaped air sac is not S1, and waist bar shaped
When the gas pressure value of inside air bag is not S2, the discouraged control valve A of ECU controls, the control valve B that loses heart are in maximum opening state,
Shoulder strip shaped air sac, waist strip shaped air sac is made to lose heart, later when gas pressure value becomes S1, S2 respectively, i.e., shoulder strip shaped air sac,
When waist strip shaped air sac reverts to flat shoulder air sac bag body, waist air sac bag body again respectively, ECU closes control of losing heart
Valve A, lose heart control valve B, and determines that motor vehicle air bag formula seat belt apparatus terminates work；If 3) the gas inside shoulder strip shaped air sac
Body pressure value is for S1, and when the gas pressure value inside waist strip shaped air sac is S2, the ECU controls control valve A that loses heart is in most
Big aperture state, makes shoulder strip shaped air sac lose heart, later when gas pressure value becomes S1, i.e. shoulder strip shaped air sac reverts to again
During flat shoulder air sac bag body, ECU closes the control valve A that loses heart, and determines that motor vehicle air bag formula seat belt apparatus terminates work
Make；4) if the gas pressure value inside waist strip shaped air sac is not S2, and the gas pressure value inside shoulder strip shaped air sac is S1
When, the discouraged control valve B of ECU controls is in maximum opening state, waist strip shaped air sac is made to lose heart, later when gas pressure value becomes
When S2, i.e. waist strip shaped air sac revert to flat waist air sac bag body again, ECU closes the control valve B that loses heart, and determines machine
Motor-car air bag type safety belt device terminates work.Hereafter when the speed of operation of motor vehicle is more than the threshold values of setting, ECU determines machine
Motor-car air bag type safety belt device restarts work；
(8) when motor vehicle arrives at, driver closes master switch, and hereafter ECU judges motor vehicle air bag formula safety
Whether band device is in running order, if motor vehicle air bag formula seat belt apparatus is closed, you can；If motor vehicle air bag
Formula seat belt apparatus is in running order, then ECU first determines whether shoulder strip shaped air sac, the gas pressure inside waist strip shaped air sac
Whether value becomes S1, S2 respectively, and 1) if the gas pressure value inside shoulder strip shaped air sac, waist strip shaped air sac is respectively S1, S2,
When i.e. shoulder strip shaped air sac, waist strip shaped air sac have reverted to flat shoulder air sac bag body, waist air sac bag body respectively,
ECU determines that motor vehicle air bag formula seat belt apparatus terminates work；If 2) gas pressure value inside shoulder strip shaped air sac is not S1,
And the gas pressure value inside waist strip shaped air sac is when being S2, lose heart control valve A, the control valve B that loses heart of ECU controls is in maximum
Aperture state makes shoulder strip shaped air sac, waist strip shaped air sac lose heart, while ensures air intake control valve A, air intake control valve B, gas supply
Device A, feeder B are closed, later when gas pressure value becomes S1, S2, i.e. shoulder strip shaped air sac, waist respectively
When strip shaped air sac reverts to flat shoulder air sac bag body, waist air sac bag body respectively, ECU closes the control valve A that loses heart, loses heart
Control valve B, and determine that motor vehicle air bag formula seat belt apparatus terminates work；If 3) the gas pressure value inside shoulder strip shaped air sac
For S1, and when the gas pressure value inside waist strip shaped air sac is S2, the ECU controls control valve A that loses heart is in maximum opening shape
State makes shoulder strip shaped air sac lose heart, at the same ensure air intake control valve A, air intake control valve B, the control valve B of losing heart, feeder A,
Feeder B is closed, and later when gas pressure value becomes S1, i.e. shoulder strip shaped air sac reverts to flat shoulder
During air sac bag body, ECU closes the control valve A that loses heart, and determines that motor vehicle air bag formula seat belt apparatus terminates work；If 4) waist item
The gas pressure value of shape inside air bag for S2, and when the gas pressure value inside shoulder strip shaped air sac is S1, lose heart by ECU controls
Control valve B is in maximum opening state, and waist strip shaped air sac is made to lose heart, while ensures air intake control valve A, air intake control valve B, lets out
Gas control valve A, feeder A, feeder B are closed, later when gas pressure value becomes S2, i.e. waist bar shaped gas
When capsule reverts to flat waist air sac bag body, ECU closes the control valve B that loses heart, and determines that motor vehicle air bag formula safety belt fills
Put termination work.
Preferably, in the step (4), aeration quantitys of the feeder A to the inside of shoulder air sac bag body is according to the body of occupant
Weight and the initial gas pressure value S1 (initial gas pressure value S1 is fixed value) inside shoulder air sac bag body during manufacture are common certainly
It is fixed so that the gas content inside shoulder strip shaped air sac after inflation is optimal value, and feeder B is to waist air sac bag body
Internal aeration quantity is according to the initial gas pressure value S2 (initial gas inside waist air sac bag body when weight and the manufacture of occupant
Pressure value S2 is fixed value) it codetermines so that the gas content inside waist strip shaped air sac after inflation is optimal value,
Specific correspondence between aeration quantity and weight, initial gas pressure value S1, S2 is measured according to experiment or emulation；The step
(5) in, shoulder strip shaped air sac, waist strip shaped air sac real-time air leakage amount emergency braking is occurred or during head-on crash by motor vehicle
Deceleration and the weight of occupant codetermine, and the specific correspondence between real-time air leakage amount and deceleration, weight is according to experiment
Or emulation measures；Feeder A, the aeration quantity of feeder B and shoulder strip shaped air sac, the real-time of waist strip shaped air sac is controlled to let out
The final purpose of tolerance is that the injury that occupant is subject to farthest is alleviated or avoided.
Preferably, when emergency braking or head-on crash do not occur for motor vehicle, when arriving at, no step (5), step
(6), step (7)；After motor vehicle air bag formula seat belt apparatus is closed, according to circumstances needs, can restart
Work is recycled with realizing.
Preferably, in step (6), (7), (8), in shoulder strip shaped air sac bleeding process, if its internal gas pressure
Value becomes S1, that is, thinks that shoulder strip shaped air sac reverts to flat shoulder air sac bag body again；Lose heart in waist strip shaped air sac
In the process, if its internal gas pressure value becomes S2, that is, think that waist strip shaped air sac reverts to flat waist gas again
Pouch body.
Preferably, in step (6), (7), (8), ECU determines that motor vehicle air bag formula seat belt apparatus terminates the premise of work
It is when shoulder strip shaped air sac, the gas pressure value inside waist strip shaped air sac become S1, S2, i.e. shoulder strip shaped air sac again respectively
Flat shoulder air sac bag body is reverted to, and when waist strip shaped air sac reverts to flat waist air sac bag body again, such as
This reason of is：After 1. motor vehicle air bag formula seat belt apparatus terminates work, if shoulder strip shaped air sac, waist strip shaped air sac are distinguished
Again flat shoulder air sac bag body, waist air sac bag body are reverted to, when occupant takes off air bag type safety belt system, can be incited somebody to action
Shoulder air sac bag body, waist air sac bag body stored collapsed to save parking space, and play beauty function；2. work as motor vehicle air bag
After formula seat belt apparatus restarts work, weight of the ECU according to occupant and the initial gas pressure inside shoulder air sac bag body
The aeration quantity of value S1 (initial gas pressure value S1 is fixed value) control feeder A, makes the shoulder bar shaped gas after inflation
The gas content in intracapsular portion is optimal value, while the weight according to occupant and the initial gas pressure value inside waist air sac bag body
The aeration quantity of S2 (initial gas pressure value S2 is fixed value) control feeder B, makes the waist strip shaped air sac after inflation
Internal gas content is optimal value, to realize the injury that occupant is farthest alleviated or avoided and is subject to, if before inflation, shoulder
Strip shaped air sac, waist strip shaped air sac do not revert to flat shoulder air sac bag body, waist air sac bag body again, can cause to inflate
After shoulder strip shaped air sac, the gas content inside waist strip shaped air sac be not optimal value, it is difficult to realize accurate control, from
And it cannot achieve the purpose that occupant injury is farthest alleviated or avoided.
The ECU is used to determine whether motor vehicle air bag formula seat belt apparatus works；Judge motor vehicle air bag formula safety belt
Whether device is in running order；Control feeder A, feeder B respectively into shoulder air sac bag body, waist air sac bag body
The aeration quantity in portion；Open or close air intake control valve A, air intake control valve B, feeder A, feeder B；Control is lost heart in real time
The aperture of control valve A, the control valve B that loses heart close the control valve A that loses heart, discouraged control valve B；Receiving comes from vehicle speed sensor
Speed information, the pressure information for coming from pressure sensor, the gas for coming from gas pressure sensor A, gas pressure sensor B
Body pressure information.
The compression that the shoulder air sac bag body, waist air sac bag body are utilized respectively feeder A, feeder B offer is empty
Gas, is expanded to shoulder strip shaped air sac, waist strip shaped air sac, and shoulder air sac bag body, waist air sac bag body select the elasticity of damage resistant
Material is made, reusable；The ribbon A, the width of ribbon B, material therefor and the conventional use of safety belt of common in-vehicle are knitted
Band is consistent；The buckle A, buckle lock A, buckle B, buckle lock B material therefors and the conventional use of belt buckle of common in-vehicle, band
Padlock is consistent.It is pollution-free since the gas in shoulder strip shaped air sac, waist strip shaped air sac is compressed air, therefore shoulder bar shaped
Gas in air bag can pass sequentially through discouraged pipeline AC, the control valve A that loses heart, the pipeline AD that loses heart and be immediately discharged in air, waist item
Gas in shape air bag can pass sequentially through discouraged pipeline BC, the control valve B that loses heart, the pipeline BD that loses heart and be immediately discharged in air.
Beneficial effects of the present invention：
In motor vehicle emergency braking or head-on crash can occur for motor vehicle air bag formula seat belt apparatus of the present invention
When, occupant injury is effectively alleviated or avoided.Compared with conventional security band system, air bag type safety belt system increases and occupant's shoulder
Restraint system can be alleviated or avoided in itself to occupant's shoulder, chest and waist in the contact area in portion, chest and waist
Injury；And it can absorb the energy that occupant bumps forward by inflation, bleeding process, be farthest alleviated or avoided
The injury that the positions such as occupant's head, chest are subject to.
Description of the drawings
Fig. 1 is buckle lock A in the present invention, buckle lock B, air intake control valve A, the control valve A that loses heart, air intake control valve B, is lost heart
Control valve B, it air inlet pipeline AA, air inlet pipeline AB, the pipeline AC that loses heart, the pipeline AD that loses heart, air inlet pipeline BA, air inlet pipeline BB, lets out
Air pipe BC, the pipeline BD of losing heart, feeder A, feeder B, headrest, headrest guide rod, backrest, controller (referred to as " ECU "),
The structure diagram of master switch, vehicle speed sensor and pressure sensor；
Fig. 2 is the structure diagram of headrest in the present invention, headrest guide rod, backrest, cushion and coiler A；
Fig. 3 is the structure diagram of headrest in the present invention, headrest guide rod, backrest, cushion and coiler B；
Fig. 4 is shoulder air sac bag body, ribbon A, coiler A, buckle A, buckle lock A, gas pressure sensor in the present invention
A, the structure diagram of air inlet pipeline AA, the pipeline AC that loses heart, controller (referred to as " ECU ") and master switch；
Fig. 5 is waist air sac bag body, ribbon B, coiler B, buckle B, buckle lock B, gas pressure sensor in the present invention
B, the structure diagram of air inlet pipeline BA, the pipeline BC that loses heart, controller (referred to as " ECU ") and master switch；
Fig. 6 for the present invention in ribbon A, coiler A, buckle A, buckle lock A, gas pressure sensor A, air inlet pipeline AA,
Lose heart the structure diagram of pipeline AC, controller (referred to as " ECU "), master switch and shoulder strip shaped air sac；
Fig. 7 for the present invention in ribbon B, coiler B, buckle B, buckle lock B, gas pressure sensor B, air inlet pipeline BA,
Lose heart the structure diagram of pipeline BC, controller (referred to as " ECU "), master switch and waist strip shaped air sac；
Fig. 8 is the structure diagram of shoulder air sac bag body, ribbon A and buckle A in the present invention；
Fig. 9 is the structure diagram of waist air sac bag body, ribbon B and buckle B in the present invention；
Figure 10 is the schematic diagram that occupant wears shoulder air sac bag body, waist air sac bag body；
Figure label is entitled：1st, shoulder air sac bag body；2nd, waist air sac bag body；3rd, ribbon A；4th, ribbon B；5th, coiler
A；6th, coiler B；7th, buckle A；8th, buckle lock A；9th, buckle B；10th, buckle lock B；11st, gas pressure sensor A；12nd, gas pressure
Force snesor B；13rd, air intake control valve A；14th, lose heart control valve A；15th, air intake control valve B；16th, lose heart control valve B；17th, air inlet
Pipeline AA；18th, air inlet pipeline AB；19th, lose heart pipeline AC；20th, lose heart pipeline AD；21st, air inlet pipeline BA；22nd, air inlet pipeline BB；
23rd, lose heart pipeline BC；24th, lose heart pipeline BD；25th, feeder A；26th, feeder B；27th, it rests the head on；28th, headrest guide rod；29、
Backrest；30th, cushion；31st, controller (referred to as " ECU ")；32nd, master switch；33rd, vehicle speed sensor；34th, pressure sensor；35th, shoulder
Portion's strip shaped air sac；36th, waist strip shaped air sac.
Specific embodiment
The present invention is described in further detail, but protection scope of the present invention below in conjunction with the drawings and specific embodiments
It is not limited to this.
As shown in Fig. 1 to 10, a kind of motor vehicle air bag formula seat belt apparatus, by air bag type safety belt system, headrest 27, head
Rest the head on guide rod 28, backrest 29, cushion 30, controller (referred to as " ECU ") 31, master switch 32, vehicle speed sensor 33 and pressure sensing
Device 34 forms.Air bag type safety belt system includes shoulder air sac bag body 1, waist air sac bag body 2, ribbon A3, ribbon B4, coiler
A5, coiler B6, buckle A7, buckle lock A8, buckle B9, buckle lock B10, gas pressure sensor A11, gas pressure sensor
B12, air intake control valve A13, the control valve A14 that loses heart, air intake control valve B15, lose heart control valve B16, air inlet pipeline AA17, air inlet
Pipeline AB18, it the pipeline AC19 that loses heart, the pipeline AD20 that loses heart, air inlet pipeline BA21, air inlet pipeline BB22, the pipeline BC23 that loses heart, lets out
Air pipe BD24, feeder A25, feeder B26.
Gas is charged inside shoulder air sac bag body 1, waist air sac bag body 2, and after inflation, shoulder air sac bag body
1st, waist air sac bag body 2 can be expanded to shoulder strip shaped air sac 35, waist strip shaped air sac 36 respectively.
ECU31 connects gas pressure sensor A11, gas pressure sensor B12, air intake control valve with different port respectively
A13, the control valve A14 that loses heart, air intake control valve B15, lose heart control valve B16, feeder A25, feeder B26, master switch
32nd, vehicle speed sensor 33 and pressure sensor 34.
It is topmost headrest 27,27 lower section of headrest is headrest guide rod 28, and headrest 27 is fixedly connected with headrest guide rod 28, rests the head on
Guide rod 28 is inserted into backrest 29, and for adjusting the height of headrest 27, cushion 30 is connected in front of 29 bottom end of backrest.Coiler A5 pacifies
The upper right corner loaded on backrest 29；Coiler B6 is installed on the rear on 30 right side of cushion, and turns forward；Buckle lock A8, buckle lock
B10 is installed on the rear in 30 left side of cushion, and all turns forward, and buckle lock B10 is located at the front of buckle lock A8.
In flat, inside is hollow structure for shoulder air sac bag body 1, waist air sac bag body 2, the one of shoulder air sac bag body 1
End is connected with ribbon A3, and the other end is connected with buckle A7, and the width of shoulder air sac bag body 1 is more than the width of ribbon A3；Waist
One end of portion's air sac bag body 2 is connected with ribbon B4, and the other end is connected with buckle B9, and the width of waist air sac bag body 2 is more than
The width of ribbon B4.Experiment measures when initial gas pressure value inside shoulder air sac bag body 1, waist air sac bag body 2 is by dispatching from the factory,
If initial gas pressure value is respectively S1, S2, and S1, S2 are fixed value.When occupant wears air bag type safety belt system, shoulder
Air sac bag body 1 is from top to bottom inclined cross occupant's shoulder, chest successively, and only shoulder air sac bag body 1 connects with occupant's shoulder, chest
It touches, waist air sac bag body 2 is across occupant's waist, and only waist air sac bag body 2 is in contact with occupant's waist.
Ribbon A3, ribbon B4 are furled respectively in coiler A5, coiler B6.Under normal circumstances, occupant can by ribbon A3,
Ribbon B4 is arbitrarily pulled out from coiler A5, coiler B6 respectively, and coiler A5, coiler B6 can also automatically retract ribbon
A3, ribbon B4；When emergency braking or head-on crash occur for motor vehicle, coiler A5 locking ribbon A3, coiler B6 lockings are knitted
Band B4, prevents ribbon A3, ribbon B4 from being drawn out.After emergency braking or head-on crash, B6 points of coiler A5, coiler
Not Xie Suo ribbon A3, ribbon B4, ribbon A3, ribbon B4 is made to be again able to arbitrarily be pulled out.When occupant wears air bag type safety belt
During system, ribbon A3, ribbon B4 from coiler A5, coiler B6 are pulled out respectively first, secondly divide buckle A7, buckle B9
It Cha Ru not be in buckle lock A8, buckle lock B9, you can；When occupant takes off air bag type safety belt system, buckle A7, buckle B9 are divided
It Tuo Li buckle lock A8, buckle lock B9, you can, coiler A5, coiler B6 withdraw ribbon A3, ribbon B4 respectively at this time.
Vehicle speed sensor 33 is fixedly mounted on vehicle body, and vehicle speed sensor 33 is used for the travel speed of real-time collection vehicle,
And collected velocity information is sent to ECU31；Pressure sensor 34 is fixedly installed in cushion 30, for measuring occupant couple
The pressure of cushion 30, and collected pressure information is sent to ECU31；Gas pressure sensor A11 is for acquisition shoulder in real time
Gas pressure inside portion's air sac bag body 1, shoulder strip shaped air sac 35, and collected gas pressure information is sent to ECU31；
Gas pressure sensor B12 incites somebody to action for the gas pressure inside acquisition waist air sac bag body 2 in real time, waist strip shaped air sac 36
Collected gas pressure information is sent to ECU31.
By being connected inside air inlet pipeline AA17 and shoulder air sac bag body 1, the other end leads to for one end of air intake control valve A13
It crosses air inlet pipeline AB18 with feeder A25 to be connected, air intake control valve A13 is used for 1 inner inflatable of shoulder air sac bag body.It lets out
By being connected inside lose heart pipeline AC19 and shoulder strip shaped air sac 35, the other end passes through gas outlet for one end of gas control valve A14
Road AD20 is connected with air, and the control valve A14 that loses heart is used to drain into the gas inside shoulder strip shaped air sac 35 in air,
ECU31 can control the aperture of discouraged control valve A14 in real time.Under normal conditions or when not in use, air intake control valve A13 and control of losing heart
Valve A14 processed is all in closed state.
By being connected inside air inlet pipeline BA21 and waist air sac bag body 2, the other end leads to for one end of air intake control valve B15
It crosses air inlet pipeline BB22 with feeder B26 to be connected, air intake control valve B15 is used for 2 inner inflatable of waist air sac bag body.It lets out
By being connected inside lose heart pipeline BC23 and waist strip shaped air sac 36, the other end passes through gas outlet for one end of gas control valve B16
Road BD24 is connected with air, and the control valve B16 that loses heart is used to drain into the gas inside waist strip shaped air sac 36 in air,
ECU31 can control the aperture of discouraged control valve B16 in real time.Under normal conditions or when not in use, air intake control valve B15 and control of losing heart
Valve B16 processed is all in closed state.
Air inlet pipeline AA17 is passed through inside buckle lock A8, buckle A7 successively, until reaching inside shoulder air sac bag body 1；
The pipeline AC19 that loses heart is passed through inside buckle lock A8, buckle A7 successively, until reaching inside shoulder strip shaped air sac 35.Air inlet pipeline
BA21 is passed through inside buckle lock B10, buckle B9 successively, until reaching inside waist air sac bag body 2；Pipeline BC23 lose heart successively
It is passed through inside from buckle lock B10, buckle B9, until reaching inside waist strip shaped air sac 36.
Specifically, gas pressure sensor A11 one end is fixedly mounted in buckle A7, the other end is inserted into shoulder air sac bag body
Inside 1, gas pressure sensor B12 one end is fixedly mounted in buckle B9, and the other end is inserted into inside waist air sac bag body 2；Into
Gas control valve A13, the control valve A14 that loses heart, air intake control valve B15, the control valve B16 that loses heart are fixedly installed in cushion 30；For
Device of air A25, feeder B26 are the device for providing compressed air, such as air compressor；Feeder A25 is ECU31's
It works under control, air inlet pipeline AB18, air intake control valve A13, air inlet pipeline AA17 can be passed sequentially through to shoulder gasbag
Compressed air is filled with inside body 1；Feeder B26 works under the control of ECU31, can pass sequentially through air inlet pipeline
BB22, air intake control valve B15, air inlet pipeline BA21 are filled with compressed air to the inside of waist air sac bag body 2；Under normal conditions or not
In use, feeder 25, feeder 26 are closed.
Specifically, shoulder air sac bag body 1, waist air sac bag body 2 are utilized respectively feeder A25, feeder B26 offer
Compressed air, be expanded to shoulder strip shaped air sac 35, waist strip shaped air sac 36, shoulder air sac bag body 1, waist air sac bag body 2 select
It is made of the elastic material of damage resistant, it is reusable；Since the gas in shoulder strip shaped air sac 35, waist strip shaped air sac 36 is
Compressed air, it is pollution-free, therefore the gas in shoulder strip shaped air sac 35 can pass sequentially through discouraged pipeline AC19, lose heart control valve
A14, lose heart pipeline AD20 be immediately discharged in air, the gas in waist strip shaped air sac 36 can pass sequentially through discouraged pipeline BC23,
Discouraged control valve B16, the pipeline BD24 that loses heart are immediately discharged in air；Ribbon A3, the width of ribbon B4, material therefor and common in-vehicle
Conventional use of belt-strap is consistent；Buckle A7, buckle lock A8, buckle B9, buckle lock B10 material therefors and common in-vehicle are conventional
Belt buckle, the buckle lock used is consistent.
ECU31 is the control core of whole device, be may be integrally incorporated in the central controller of vehicle.ECU31 is according to speed
Whether collected Vehicle Speed, decision motor vehicle air bag formula seat belt apparatus work sensor 33 in real time；ECU31 according to
34 collected pressure information of pressure sensor converses the weight of occupant, and then feeder A25 is controlled to be filled with shoulder air bag
Aeration quantity inside bag body 1, feeder B26 are filled with the aeration quantity inside waist air sac bag body 2；ECU31 is sensed according to speed
The real-time collected Vehicle Speed of device 33, judges whether motor vehicle occurs emergency braking or head-on crash and urgent system
Whether dynamic or head-on crash terminates；When emergency braking or head-on crash occur for motor vehicle, ECU31 is according to vehicle deceleration with multiplying
Member's weight controls the control valve A14 that loses heart, the aperture for the control valve B16 that loses heart, so as to pass through shoulder strip shaped air sac 35, waist in real time
Strip shaped air sac 36 loses heart, and farthest protects occupant safety；ECU31 is collected in real time according to gas pressure sensor A11
Gas pressure information inside shoulder strip shaped air sac 35 decides whether to close discouraged control valve A14；ECU31 is according to gas pressure
Sensor B12 gas pressure informations inside collected waist strip shaped air sac 36 in real time, decide whether to close discouraged control valve
B16；After motor vehicle emergency braking or head-on crash, ECU31 determines that motor vehicle air bag formula seat belt apparatus terminates work.
In order to achieve the purpose that motor vehicle air bag formula seat belt apparatus effective protection occupant safety, the present invention passes through following step
It is rapid to realize：
(1) before motor vehicle starts running, driver opens master switch 32；
(2) after motor vehicle starts running, the travel speed of 33 real-time collection vehicle of vehicle speed sensor, and will be collected
Real-time speed information is transmitted to ECU31, the more real-time speeds of ECU31 and the speed threshold values of setting, when real-time speed is more than setting
Threshold values when, ECU31 determines that motor vehicle air bag formula seat belt apparatus is started to work；
(3) pressure sensor 34 measures occupant on cushion 30 to the pressure of cushion 30, and by collected pressure information
ECU31 is transmitted to, ECU31 converses the weight of occupant according to the pressure value measured；
(4) ECU31 controls air intake control valve A13, air intake control valve B15, feeder A25, feeder B26 to open,
Simultaneously according to inside shoulder air sac bag body 1 when weight and the manufacture of occupant, waist air sac bag body 2 initial gas pressure value S1,
The air demand of S2, ECU31 control feeder A25, feeder B26, feeder A25 pass sequentially through air inlet pipeline AB18,
Air intake control valve A13, air inlet pipeline AA17 are filled with compressed air to the inside of shoulder air sac bag body 1, and feeder B26 is passed sequentially through
Air inlet pipeline BB22, air intake control valve B15, air inlet pipeline BA21 are filled with compressed air to the inside of waist air sac bag body 2；Work as inflation
After, shoulder air sac bag body 1 is expanded to shoulder strip shaped air sac 35, and waist air sac bag body 2 is expanded to waist strip shaped air sac 36,
ECU31 closes air intake control valve A13, air intake control valve B15, feeder A25, feeder B26；At this point, compared to tradition
Ribbon, shoulder strip shaped air sac 35 and the contact area of occupant's shoulder, chest significantly increase, waist strip shaped air sac 36 and occupant's waist
Contact area significantly increase, so when emergency braking occurs for motor vehicle or during head-on crash, in shoulder strip shaped air sac 35 to multiplying
During member's shoulder, chest apply restraining force, the extruding to shoulder, chest can be effectively reduced, so as to which shoulder be alleviated or avoided
Portion, chest injury, during waist strip shaped air sac 36 applies restraining force to occupant's waist, can effectively reduce to waist
It squeezes, so as to which waist injury be alleviated or avoided；
(5) when emergency braking or head-on crash occur for motor vehicle, multiplied by motor vehicle air bag formula seat belt apparatus protection
Member bumps forward, and coiler A5, coiler B6 distinguish locking ribbon A3, ribbon B4 at this time, and shoulder strip shaped air sac 35 is to occupant's shoulder
Portion, chest are constrained backward, and waist strip shaped air sac 36 constrains occupant's waist backward, and ECU31 is according to vehicle speed sensor
33 Vehicle Speeds acquired in real time calculate deceleration when emergency braking or head-on crash occur for motor vehicle, and are based on
Deceleration and occupant weight, the aperture of the change with time discouraged control valve A14 of control in real time, the control valve B16 that loses heart, make shoulder
Gas inside strip shaped air sac 35 passes sequentially through discouraged pipeline AC19, the control valve A14 that loses heart, the pipeline AD20 that loses heart and is discharged into air
In, passing sequentially through the gas inside waist strip shaped air sac 36, discouraged pipeline BC23, the control valve B16 that loses heart, lose heart pipeline BD24
It is discharged into air, i.e., shoulder strip shaped air sac 35, waist strip shaped air sac 36 lose heart, so as to absorb the energy that occupant bumps forward, most
The injury that occupant is subject to is alleviated or avoided to big degree；
(6) in shoulder strip shaped air sac 1,2 bleeding process of waist strip shaped air sac, gas pressure sensor A11, gas pressure
Sensor B12 acquisition shoulder strip shaped air sac 35, the gas pressure inside waist strip shaped air sac 36 in real time respectively, and by gas pressure
Information is transmitted to ECU31, the gas pressure value difference inside ECU31 judgement shoulders strip shaped air sac 35, waist strip shaped air sac 36
Become shoulder air sac bag body 1, initial gas pressure value S1, S2 inside waist air sac bag body 2, i.e. shoulder strip shaped air sac 35, waist
When portion's strip shaped air sac 36 reverts to flat shoulder air sac bag body 1, waist air sac bag body 2 again respectively, ECU31, which is closed, to lose heart
Control valve A14, lose heart control valve B16；
(7) after motor vehicle emergency braking or head-on crash, ECU31 is first according to gas pressure sensor A11, gas
The pressure information of pressure sensor B12 acquisitions judges shoulder strip shaped air sac 35, the gas pressure inside waist strip shaped air sac 36
Whether value becomes S1, S2 respectively, and 1) if the gas pressure value inside shoulder strip shaped air sac 35, waist strip shaped air sac 36 has been respectively
S1, S2, i.e. shoulder strip shaped air sac 35, waist strip shaped air sac 36 revert to flat shoulder air sac bag body 1, waist again respectively
During air sac bag body 2, ECU31 determines that motor vehicle air bag formula seat belt apparatus terminates work；If 2) inside shoulder strip shaped air sac 35
Gas pressure value is for S1, and when gas pressure value waist strip shaped air sac 36 inside is not S2, the discouraged control valve of ECU31 controls
A14, the control valve B16 that loses heart are in maximum opening state, and shoulder strip shaped air sac 35, waist strip shaped air sac 36 is made to lose heart, is worked as later
Gas pressure value becomes S1, S2 respectively, i.e. shoulder strip shaped air sac 35, waist strip shaped air sac 36 reverts to flat again respectively
When shoulder air sac bag body 1, waist air sac bag body 2, ECU31 closes the control valve A14 that loses heart, discouraged control valve B16, and determines motor-driven
Vehicle air bag type safety belt device terminates work；3) if the gas pressure value inside shoulder strip shaped air sac 35 is not S1, and waist item
When gas pressure value inside shape air bag 36 is S2, the discouraged control valve A14 of ECU31 controls is in maximum opening state, makes shoulder
Strip shaped air sac 35 loses heart, and later when gas pressure value becomes S1, i.e. shoulder strip shaped air sac 35 reverts to flat shoulder again
During air sac bag body 1, ECU31 closes the control valve A14 that loses heart, and determines that motor vehicle air bag formula seat belt apparatus terminates work；If 4)
Gas pressure value inside waist strip shaped air sac 36 is not S2, and when gas pressure value shoulder strip shaped air sac 35 inside is S1,
The discouraged control valve B16 of ECU31 controls is in maximum opening state, and waist strip shaped air sac 36 is made to lose heart, works as gas pressure value later
Become S2, i.e., when waist strip shaped air sac 36 reverts to flat waist air sac bag body 2 again, ECU31 closes the control valve that loses heart
B16, and determine that motor vehicle air bag formula seat belt apparatus terminates work.Hereafter when the speed of operation of motor vehicle is more than the threshold values of setting
When, ECU31 determines that motor vehicle air bag formula seat belt apparatus restarts work again；
(8) when motor vehicle arrives at, driver closes master switch, and hereafter ECU31 judges that motor vehicle air bag formula is pacified
Whether full band device is in running order, if motor vehicle air bag formula seat belt apparatus is closed, you can；If motor vehicle gas
Bellows seat belt apparatus is in running order, then ECU31 is first according to gas pressure sensor A11, gas pressure sensor B12
The pressure information of acquisition, judges whether shoulder strip shaped air sac 35, the gas pressure value inside waist strip shaped air sac 36 become respectively
S1, S2,1) if the gas pressure value inside shoulder strip shaped air sac 35, waist strip shaped air sac 36 is respectively S1, S2, i.e. shoulder bar shaped
When air bag 35, waist strip shaped air sac 36 have reverted to flat shoulder air sac bag body 1, waist air sac bag body 2 respectively, ECU31
Determine that motor vehicle air bag formula seat belt apparatus terminates work；If 2) gas pressure value inside shoulder strip shaped air sac 35 is not S1,
And the gas pressure value inside waist strip shaped air sac 36 is when being S2, ECU31 controls lose heart control valve A14, lose heart control valve B16
In maximum opening state, shoulder strip shaped air sac 35, waist strip shaped air sac 36 is made to lose heart, at the same ensure air intake control valve A13, into
Gas control valve B15, feeder A25, feeder B26 are closed, later when gas pressure value become respectively S1,
S2, i.e. shoulder strip shaped air sac 35, waist strip shaped air sac 36 revert to flat shoulder air sac bag body 1, waist gasbag respectively
During body 2, ECU31 closes the control valve A14 that loses heart, discouraged control valve B16, and determines that motor vehicle air bag formula seat belt apparatus terminates work
Make；3) if the gas pressure value inside shoulder strip shaped air sac 35 is not S1, and the gas pressure value inside waist strip shaped air sac 36
During for S2, the ECU31 controls control valve A14 that loses heart be in maximum opening state, makes shoulder strip shaped air sac 35 discouraged, at the same ensure into
Gas control valve A13, air intake control valve B15, lose heart control valve B16, feeder A25, feeder B26 are closed,
Later when gas pressure value becomes S1, i.e., when shoulder strip shaped air sac 35 reverts to flat shoulder air sac bag body 1, ECU31 is closed
Discouraged control valve A14 is closed, and determines that motor vehicle air bag formula seat belt apparatus terminates work；If 4) inside waist strip shaped air sac 36
Gas pressure value is for S2, and when gas pressure value shoulder strip shaped air sac 35 inside is S1, the discouraged control valve of ECU31 controls
B16 is in maximum opening state, make waist strip shaped air sac 36 lose heart, while ensure air intake control valve A13, air intake control valve B15,
Discouraged control valve A14, feeder A25, feeder B26 are closed, later when gas pressure value becomes S2, i.e. waist
When portion's strip shaped air sac 36 reverts to flat waist air sac bag body 2, ECU31 closes the control valve B16 that loses heart, and determines motor vehicle
Air bag type safety belt device terminates work.
Wherein, in step (4), feeder A25 to the aeration quantity inside shoulder air sac bag body 1 according to the weight of occupant with
Initial gas pressure value S1 (initial gas pressure value S1 is fixed value) during manufacture inside shoulder air sac bag body 1 is codetermined,
So that the gas content inside shoulder strip shaped air sac 35 after inflation is optimal value, feeder B26 is to waist gasbag
Aeration quantity inside body 2 is (initial according to initial gas pressure value S2 when weight and the manufacture of occupant inside waist air sac bag body 2
Gas pressure value S2 is fixed value) it codetermines so that the gas content inside waist strip shaped air sac 36 after inflation is
Specific correspondence between optimal value, aeration quantity and weight, initial gas pressure value S1, S2 is measured according to experiment or emulation；
In step (5), the real-time air leakage amount that shoulder strip shaped air sac 35, waist strip shaped air sac 36 change over time is occurred promptly by motor vehicle
The weight of deceleration and occupant when braking or head-on crash codetermines, the tool between real-time air leakage amount and deceleration, weight
Body correspondence is measured according to experiment or emulation；Control feeder A25, the aeration quantity of feeder B26 and shoulder bar shaped gas
Capsule 35, waist strip shaped air sac 36 the final purpose of real-time air leakage amount be that the wound that occupant is subject to farthest is alleviated or avoided
Evil.
Wherein, when emergency braking or head-on crash do not occur for motor vehicle, when arriving at, no step (5), step (6),
Step (7)；After motor vehicle air bag formula seat belt apparatus is closed, according to circumstances needs, work can be restarted,
It is recycled with realizing.
Wherein, in step (6), (7), (8), in 35 bleeding process of shoulder strip shaped air sac, if its internal gas pressure
Value becomes S1, that is, thinks that shoulder strip shaped air sac 35 reverts to flat shoulder air sac bag body 1 again；In waist strip shaped air sac 36
In bleeding process, if its internal gas pressure value becomes S2, that is, it is flat to think that waist strip shaped air sac 36 reverts to again
Waist air sac bag body 2.
Wherein, in step (6), (7), (8), ECU31 determines that motor vehicle air bag formula seat belt apparatus terminates the premise of work
It is when shoulder strip shaped air sac 35, the gas pressure value inside waist strip shaped air sac 36 become S1, S2, i.e. shoulder strip shaped air sac respectively
35 revert to flat shoulder air sac bag body 1, and waist strip shaped air sac 36 reverts to flat waist air bag again again
Bag body 2 when, so the reason is that：After 1. motor vehicle air bag formula seat belt apparatus terminates work, if shoulder strip shaped air sac 35, waist
Strip shaped air sac 36 reverts to flat shoulder air sac bag body 1, waist air sac bag body 2 again respectively, when occupant takes off gasbag-type
During restraint system, shoulder air sac bag body 1,2 stored collapsed of waist air sac bag body to save parking space, and can be played beauty
Effect；2. after motor vehicle air bag formula seat belt apparatus restarts work, ECU31 is according to the weight of occupant and shoulder gasbag
The aeration quantity of initial gas pressure value S1 (initial gas pressure value S1 is fixed value) control feeder A25 inside body 1, makes
The gas content inside shoulder strip shaped air sac 35 after inflation is optimal value, while according to the weight of occupant and waist air bag
The aeration quantity of initial gas pressure value S2 (initial gas pressure value S2 is fixed value) control feeder B26 inside bag body 1,
It is optimal value to make the gas content inside the waist strip shaped air sac 36 after inflation, is farthest alleviated or avoided with realizing
The injury that occupant is subject to, if before inflation, shoulder strip shaped air sac 35, waist strip shaped air sac 36 do not revert to flat shoulder again
Air sac bag body 1, waist air sac bag body 2 can lead to shoulder strip shaped air sac 35 after inflation, inside waist strip shaped air sac 36
Gas content is not optimal value, it is difficult to realize accurate control, occupant injury is farthest alleviated or avoided so as to reach
Purpose.
It should be noted that the temporald eixis such as up, down, left, right, before and after of the present invention word is routinely used with automobile
When corresponding up, down, left, right, before and after be consistent.
Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically
Bright, they are not to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (10)
1. motor vehicle air bag formula seat belt apparatus, which is characterized in that including inflatable discouraged air bag type safety belt system, fixation
Device；The inflatable discouraged air bag type safety belt system can be fixed on automobile seat by the fixing device；
The inflatable discouraged air bag type safety belt system can automatic inflating to shoulder air sac bag body (1) and waist air sac bag body
(2) and the gas in shoulder air sac bag body (1) and waist air sac bag body (2) can be discharged automatically.
2. motor vehicle air bag formula seat belt apparatus according to claim 1, which is characterized in that the inflatable discouraged gas
Bellows restraint system includes the first Intaker controller, the first deflation control device, the second Intaker controller and second and lets out
Gas control device；
First Intaker controller includes air intake control valve A (13), air inlet pipeline A and controller (31), the air inlet
Control valve A (13) is connected with the air inlet pipeline A, and the air intake control valve A (13) is electrically connected with the controller (31), institute
Stating controller (31) controls the opening and closing of the air intake control valve A (13) to realize that gas is filled with shoulder gasbag by air inlet pipeline A
In body (1)；
First deflation control device includes lose heart control valve A (14), discouraged pipeline A and controller (31), described to lose heart
Control valve A (14) is connected with the discouraged pipeline A, and the discouraged control valve A (14) is electrically connected with the controller (31), institute
Stating controller (31) controls the opening and closing of the discouraged control valve A (14) to realize the gas in shoulder air sac bag body (1) by losing heart
Pipeline A discharges；
Second Intaker controller includes air intake control valve B (15), air inlet pipeline B and controller (31), the air inlet
Control valve B (15) is connected with the air inlet pipeline B, and the air intake control valve B (15) is electrically connected with the controller (31), institute
Stating controller (31) controls the opening and closing of the air intake control valve B (15) to realize that gas is filled with waist gasbag by air inlet pipeline B
In body (2)；
Second deflation control device includes lose heart control valve B (16), discouraged pipeline B and controller (31), described to lose heart
Control valve B (16) is connected with the discouraged pipeline B, and the discouraged control valve B (16) is electrically connected with the controller (31), institute
Stating controller (31) controls the opening and closing of the discouraged control valve B (16) to realize the gas in waist air sac bag body (2) by losing heart
Pipeline B discharges.
3. motor vehicle air bag formula seat belt apparatus according to claim 2, which is characterized in that the air inlet pipeline A includes
Two sections, respectively air inlet pipeline AA (17) and air inlet pipeline AB (18), this two sections of air inlet pipelines are located at air intake control valve A's (13)
Both sides；
The discouraged pipeline A (14) includes two sections, and respectively lose heart pipeline AC (19) and discouraged pipeline AD (20), this two sections are lost heart
Pipeline is located at the both sides for the control valve A (14) that loses heart；
The air inlet pipeline B includes two sections, respectively air inlet pipeline BA (21) and air inlet pipeline BB (22), this two sections of air inlet pipelines
Positioned at the both sides of air intake control valve B (15)；
The discouraged pipeline B includes two sections, and respectively lose heart pipeline BC (23) and discouraged pipeline BD (24), this two sections of discouraged pipelines
Positioned at the both sides of discouraged control valve B (16).
4. motor vehicle air bag formula seat belt apparatus according to claim 2, which is characterized in that further include vehicle speed sensor
(33), pressure sensor (34) and gas pressure sensor group, the vehicle speed sensor (33), the pressure sensor (34)
And the gas pressure sensor group is connected with the controller (31), the vehicle speed sensor (33) can acquire in real time
The travel speed of vehicle, the pressure sensor (34) can measure pressure of the occupant to automobile seat, the gas pressure
Sensor components can not measure the pressure in shoulder air sac bag body (1) and waist air sac bag body (2)；
The controller (31) judges, when the speed of acquisition is more than threshold value, to open the first Intaker controller, second into gas control
Device processed is inflated respectively into shoulder air sac bag body (1) and waist air sac bag body (2), and is acquired according to pressure sensor (34)
Occupant's pressure size accurately control is filled with gas flow in shoulder air sac bag body (1) and waist air sac bag body (2)；
When the controller (31) judges vehicle for emergency braking or head-on crash according to the speed of acquisition, the first discouraged control is opened
Device processed, the second deflation control device discharge the gas in shoulder air sac bag body (1) and waist air sac bag body (2), and according to
Vehicle deceleration and occupant accurately control the pressure value of seat the control valve A (14) that loses heart in real time, the opening of control valve B (16) of losing heart
Degree, and set in the shoulder air sac bag body (1) of gas pressure sensor group detection and the pressure value of waist air sac bag body (2) for manufacture
The control valve A (14) that loses heart, discouraged control valve B (16) are closed when putting value.
5. motor vehicle air bag formula seat belt apparatus according to claim 2, which is characterized in that further include feeder, institute
Feeder is stated as 2, respectively feeder A (25) and feeder B (26), two feeders respectively with the air inlet
Pipeline A is connected with air inlet pipeline B.
6. motor vehicle air bag formula seat belt apparatus according to claim 2, which is characterized in that the fixing device includes band
Button and buckle lock, the buckle and the buckle lock are two groups, respectively buckle A (7) and buckle lock A (8), buckle B (9) and band
Padlock B (10)；For the buckle A (7) on shoulder air sac bag body (1), the buckle lock A (8) is described positioned at the side of seat
Buckle A (7) the insertions buckle lock A (8) can be fixed on the seat by shoulder air sac bag body (1) when internal；The buckle B
(9) on waist air sac bag body (2), the buckle lock B (10) is inserted into the band positioned at the side of seat, the buckle B (9)
Padlock B (10) can be fixed on the seat by the waist air sac bag body (2) when internal.
7. motor vehicle air bag formula seat belt apparatus according to claim 6, which is characterized in that the first air inlet control dress
It puts, first deflation control device, second Intaker controller, second deflation control device are respectively positioned on seat
Inside cushion, the air inlet pipeline A and the discouraged pipeline A both pass through the buckle A (7) and the buckle lock A (8), described
Air inlet pipeline B and the discouraged pipeline B both pass through the buckle B (9) and the buckle lock B (10).
8. motor vehicle air bag formula seat belt apparatus according to claim 6, which is characterized in that further include storage device and total
It switchs (32)；The storage device includes ribbon and coiler, and the ribbon and coiler are two groups, respectively ribbon A (3) and
Coiler A (5), ribbon B (4) and coiler B (6)；The coiler A (5) positioned at backrest side, described ribbon A (3) one end with
Coiler A (5) connection, other end connection shoulder air sac bag body (1), the coiler A (5) can automatically retract described knit
Band A (3)；
The coiler B (6) is positioned at cushion side, and described ribbon B (4) one end is connect with the coiler B (6), the other end connects
Waist air sac bag body (2) is connect, the coiler B (6) can automatically retract the ribbon B (4)；
The coiler A (5) and coiler B (6) are able to locking ribbon A (3) in emergency brake of vehicle or head-on crash
With ribbon B (4), two ribbons is made not to be drawn out；
The master switch (32) is connected with controller (31), and the master switch (32) is for starting or close entire motor vehicle air bag
Formula seat belt apparatus.
9. a kind of control method of motor vehicle air bag formula safety belt, which is characterized in that include the following steps：
(1) before motor vehicle starts running, driver opens master switch (32)；
(2) after motor vehicle starts running, vehicle speed sensor (33) in real time collection vehicle travel speed, and be transmitted to ECU with
The threshold values of setting is compared, and when speed is more than the threshold values of setting, ECU determines that motor vehicle air bag formula seat belt apparatus starts work
Make；
(3) pressure sensor (34) measures pressure of the occupant on cushion to cushion, and is transmitted to ECU, and ECU is according to the pressure measured
Force value converses the weight of occupant；
(4) ECU controls air intake control valve A (13), air intake control valve B (15), feeder A (25), feeder B (26) to beat
Open, at the same according to inside shoulder air sac bag body when weight and the manufacture of occupant, waist air sac bag body initial gas pressure value S1,
The air demand of S2, ECU control feeder A (25), feeder B (26), feeder A (25) pass sequentially through air inlet pipeline AB
(18), air intake control valve A (13), air inlet pipeline AA (17) are filled with gas, feeder B to shoulder air sac bag body (1) is internal
(26) air inlet pipeline BB (22), air intake control valve B (15), air inlet pipeline BA (21) are passed sequentially through into waist air sac bag body (2)
Portion is filled with gas；After inflation, shoulder air sac bag body (1) is expanded to shoulder strip shaped air sac (35), waist air sac bag body (2)
Be expanded to waist strip shaped air sac (36), ECU close air intake control valve A (13), air intake control valve B (15), feeder A (25),
Feeder B (26)；
(5) when the Vehicle Speed that ECU is acquired in real time according to vehicle speed sensor (33), judgement motor vehicle occur emergency braking or
During head-on crash, ECU first calculates deceleration when emergency braking or head-on crash occur for motor vehicle, while coiler A
(5), locking ribbon A (3), ribbon B (4), shoulder strip shaped air sac (35) carry out about occupant's shoulder, chest to coiler B (6) respectively
Beam, waist strip shaped air sac (36) constrain occupant's waist；Secondly ECU is controlled in real time according to vehicle deceleration and occupant weight
The aperture of the discouraged control valve A (14) of system, the control valve B (16) that loses heart, the gas for making shoulder strip shaped air sac (35) internal pass sequentially through
Discouraged pipeline AC (19), the control valve A (14) that loses heart, the pipeline AD (20) that loses heart are discharged into air, are made in waist strip shaped air sac (36)
The gas in portion pass sequentially through discouraged pipeline BC (23), lose heart control valve B (16), lose heart pipeline BD (24) be discharged into air；
(6) in shoulder strip shaped air sac (35), waist strip shaped air sac (36) bleeding process, gas pressure sensor A (11), gas
Pressure sensor B (12) internal gas pressures of acquisition shoulder strip shaped air sac (35), waist strip shaped air sac (36) in real time, and by gas
Body pressure information is transmitted to ECU, when the internal gas pressure value of shoulder strip shaped air sac (35), waist strip shaped air sac (36) becomes respectively
Initial gas pressure value S1, S2 internal for shoulder air sac bag body (1), waist air sac bag body (2), i.e. shoulder strip shaped air sac
(35), when waist strip shaped air sac (36) reverts to the shoulder air sac bag body (1) of offset flat shape, waist air sac bag body (2) again, ECU
Close the control valve A (14) that loses heart, discouraged control valve B (16)；
(7) when the Vehicle Speed that ECU is acquired in real time according to vehicle speed sensor (33), judge motor vehicle emergency braking or front
At the end of collision, whether ECU first determines whether the internal gas pressure value of shoulder strip shaped air sac (35), waist strip shaped air sac (36)
Become S1, S2 respectively, 1) if the internal gas pressure value of shoulder strip shaped air sac (35), waist strip shaped air sac (36) has been respectively
S1, S2, i.e. shoulder strip shaped air sac (35), waist strip shaped air sac (36) revert to the shoulder air sac bag body of offset flat shape again respectively
(1), during waist air sac bag body (2), ECU determines that motor vehicle air bag formula seat belt apparatus terminates work；If 2) shoulder strip shaped air sac
(35) internal gas pressure value is not S1, and when the internal gas pressure value of waist strip shaped air sac (36) is not S2, ECU controls
Control valve A (14), the control valve B (16) that loses heart lose heart in maximum opening state, makes shoulder strip shaped air sac (35), waist bar shaped gas
Capsule (36) loses heart, later when gas pressure value becomes S1, S2, i.e. shoulder strip shaped air sac (35), waist strip shaped air sac (36) respectively
When reverting to shoulder air sac bag body (1), waist air sac bag body (2) of offset flat shape again respectively, ECU closes the control valve A that loses heart
(14), lose heart control valve B (16), and determines that motor vehicle air bag formula seat belt apparatus terminates work；If 3) shoulder strip shaped air sac
(35) internal gas pressure value is not S1, and when the internal gas pressure value of waist strip shaped air sac (36) is S2, and ECU controls are let out
Gas control valve A (14) makes shoulder strip shaped air sac (35) lose heart in maximum opening state, later when gas pressure value becomes S1,
When i.e. shoulder strip shaped air sac (35) reverts to shoulder air sac bag body (1) of offset flat shape again, ECU closes the control valve A (14) that loses heart,
And determine that motor vehicle air bag formula seat belt apparatus terminates work；4) if the internal gas pressure value of waist strip shaped air sac (36) is not
S2, and when the internal gas pressure value of shoulder strip shaped air sac (35) is S1, the ECU controls control valve B (16) that loses heart are opened in maximum
Degree state makes waist strip shaped air sac (36) lose heart, and later when gas pressure value becomes S2, i.e. waist strip shaped air sac (36) is again extensive
When being waist air sac bag body (2) of offset flat shape again, ECU closes the control valve B (16) that loses heart, and determines motor vehicle air bag formula safety belt
Device terminates work；Hereafter when the speed of operation of motor vehicle is more than the threshold values of setting, ECU determines motor vehicle air bag formula safety belt
Device restarts work；
(8) when motor vehicle arrives at, driver closes master switch (32), and hereafter ECU judges motor vehicle air bag formula safety
Whether band device is in running order, if motor vehicle air bag formula seat belt apparatus is closed, you can；If motor vehicle air bag
Formula seat belt apparatus is in running order, then ECU first determines whether that shoulder strip shaped air sac (35), waist strip shaped air sac (36) are internal
Whether gas pressure value becomes S1, S2 respectively, 1) if the internal gas pressure of shoulder strip shaped air sac (35), waist strip shaped air sac (36)
Force value is respectively S1, S2, i.e. shoulder strip shaped air sac (35), waist strip shaped air sac (36) has reverted to the shoulder gas of offset flat shape respectively
When pouch body (1), waist air sac bag body (2), ECU determines that motor vehicle air bag formula seat belt apparatus terminates work；If 2) shoulder item
The internal gas pressure value of shape air bag (35) is not S1, and when the internal gas pressure value of waist strip shaped air sac (36) is not S2,
ECU controls lose heart control valve A (14), the control valve B (16) that loses heart in maximum opening state, make shoulder strip shaped air sac (35), waist
Portion's strip shaped air sac (36) loses heart, while ensures air intake control valve A (13), air intake control valve B (15), feeder A (25), gas supply
Device B (26) is closed, later when gas pressure value becomes S1, S2, i.e. shoulder strip shaped air sac (35), waist item respectively
When shape air bag (36) reverts to the shoulder air sac bag body (1) of offset flat shape, waist air sac bag body (2) respectively, ECU closes control of losing heart
Valve A (14), lose heart control valve B (16), and determines that motor vehicle air bag formula seat belt apparatus terminates work；If 3) shoulder strip shaped air sac
(35) internal gas pressure value is not S1, and when the internal gas pressure value of waist strip shaped air sac (36) is S2, and ECU controls are let out
Gas control valve A (14) makes shoulder strip shaped air sac (35) lose heart in maximum opening state, at the same ensure air intake control valve A (13),
Air intake control valve B (15), lose heart control valve B (16), feeder A (25), feeder B (26) are closed, later
When gas pressure value becomes S1, i.e., when shoulder strip shaped air sac (35) reverts to shoulder air sac bag body (1) of offset flat shape, ECU is closed
Lose heart control valve A (14), and determines that motor vehicle air bag formula seat belt apparatus terminates work；4) if waist strip shaped air sac (36) is internal
Gas pressure value for S2, and when the internal gas pressure value of shoulder strip shaped air sac (35) is S1, ECU controls are lost heart control valve
B (16) makes waist strip shaped air sac (36) lose heart, while ensure air intake control valve A (13), air inlet control in maximum opening state
Valve B (15), lose heart control valve A (14), feeder A (25), feeder B (26) are closed, later when gas pressure
Force value becomes S2, i.e., when waist strip shaped air sac (36) reverts to waist air sac bag body (2) of offset flat shape, ECU closes control of losing heart
Valve B (16), and determine that motor vehicle air bag formula seat belt apparatus terminates work.
10. the control method of a kind of motor vehicle air bag formula safety belt according to claim 9, which is characterized in that when motor-driven
When emergency braking or head-on crash do not occur in the process of moving for vehicle, no step (5), (6), (7)；When motor vehicle air bag formula safety
After band device is closed, as needed, work can be restarted, realize and recycle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711462530.8A CN108189801A (en) | 2017-12-28 | 2017-12-28 | Motor vehicle air bag formula seat belt apparatus and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462530.8A CN108189801A (en) | 2017-12-28 | 2017-12-28 | Motor vehicle air bag formula seat belt apparatus and its control method |
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| Publication Number | Publication Date |
|---|---|
| CN108189801A true CN108189801A (en) | 2018-06-22 |
Family
ID=62585596
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711462530.8A Pending CN108189801A (en) | 2017-12-28 | 2017-12-28 | Motor vehicle air bag formula seat belt apparatus and its control method |
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| CN114802091A (en) * | 2022-05-09 | 2022-07-29 | 高龙翔 | Use method of automobile seat belt capable of being inflated and restored actively |
| CN115214513A (en) * | 2022-07-28 | 2022-10-21 | 东风柳州汽车有限公司 | Method, device, equipment and storage medium for protecting front collision passenger |
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Application publication date: 20180622 |