CN202753900U - External airbag device for vehicles - Google Patents
External airbag device for vehicles Download PDFInfo
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- CN202753900U CN202753900U CN 201220123789 CN201220123789U CN202753900U CN 202753900 U CN202753900 U CN 202753900U CN 201220123789 CN201220123789 CN 201220123789 CN 201220123789 U CN201220123789 U CN 201220123789U CN 202753900 U CN202753900 U CN 202753900U
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- air bag
- external air
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- external airbag
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Abstract
The utility model provides an external airbag device for vehicles and belongs to the technical field of vehicles. The external airbag device for vehicles solves the problem of lack of automatic control of opening and closing of external airbag devices for vehicles in the prior art. The external airbag device for vehicles comprises a signal detection unit, a central controller, an external airbag ECU (electronic control unit), an executive mechanism and an external airbag. The signal detection unit is connected with a signal input end of the central controller, a signal output end of the central controller is connected with an input end of the external airbag ECU, a signal output end of the external airbag ECU is connected with the executive mechanism which is associated with the external airbag, and the central controller receives signals transmitted by the signal detection unit to judge collision possibility of the vehicle with a target vehicle and transmits control orders to the external airbag ECU to control the executive mechanism to inflate or deflate the airbag. The external airbag device can effectively protect safety of vehicles and personnel in the vehicles to reduce casualties.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of vehicle external air bag device.
Background technology
Along with improving constantly of the development of auto-industry and people's the level of consumption, the automobile pollution sharp increase in China is so that China becomes an automobile consumption big country.Automobile brings great convenience for people's life, but has also brought many safety problems simultaneously as a kind of easily vehicle, and for example traffic accident has brought huge life and property damage to people.Many traffic accidents be because the driver can not find in time that front vehicles causes in time braking and dodge, and then bump against, in this case, people be merely able to post wish with car in safety air bag come cut loss, particularly protect passenger's life.Behind auto against, occupant and bodywork component occur not yet that " secondary collision " is front opens rapidly a gassiness air bag between occupant and bodywork component, pounce on when making the occupant mobile being subjected to inertia on air bag and alleviate the impact that the occupant is subject to and absorb collision energy, alleviate occupant's extent of injury.Although safety air bag has certain safety guard-safeguard effect to the passenger in this car, its protection still is short of in some major accidents, therefore, need to provide a kind of device that can further protect occupant's personal safety.
Summary of the invention
There are the problems referred to above in the utility model for existing technology; a kind of vehicle external air bag device has been proposed; this vehicle external air bag device can sensed the intelligentized vehicle external air bag of opening under the dangerous situation; increase driving safety, the property damage that the minimizing accident occurs, protection personal safety.
The utility model is realized by following technical proposal: a kind of vehicle external air bag device, it is characterized in that, comprise detecting signal unit, central controller, external air bag ECU, actuating unit and external air bag, described detecting signal unit is connected with the signal input part of central controller, the signal output part of described central controller is connected with external air bag ECU input end, the signal output part of described external air bag ECU is connected with actuating unit, described actuating unit is related with external air bag, described central controller receives the signal that detecting signal unit is carried, judge the possibility that this car and target vehicle collide, and the pipage control instruction is to inflation or the venting of external air bag ECU control actuating unit to safety air bag.
In above-mentioned vehicle external air bag device, described detecting signal unit comprises spacing detecting sensor, speed of a motor vehicle detecting sensor and brake detecting sensor.The spacing detecting sensor is used for detecting in real time the spacing S between this car and the target vehicle, the vehicle speed value v of this car of speed of a motor vehicle detecting sensor Real-Time Monitoring, and the brake detecting sensor is used for gathering brake signal and flowing to central controller.
In above-mentioned vehicle external air bag device, described central controller comprises relative velocity computing module, Collision time calculation module, braking time computing module, memory module and control module.The relative velocity computing module is according to the difference DELTA S of the different spacings of constantly carrying of spacing sensor and produce the difference DELTA S required time interval delta T calculating book car of this spacing and the relative velocity V of target vehicle; The Collision time calculation module is calculated the required theoretical time value Tn of two cars collision under present case according to the spacing S of relative velocity V and current time; The braking time computing module is used for calculating under the current vehicle speed from emergency brake to the required time value T that stops.
In above-mentioned vehicle external air bag device, described actuating unit comprises gas generator and gas displacer.The control of gas generator reception control unit produces gas also to airbag aeration; The gas displacer is according to the gas in the control discharge air bag of control unit.
In above-mentioned vehicle external air bag device, described external air bag is arranged on around the vehicle body, is provided with admission port and exhausr port at described external air bag, and admission port is related with gas generator, and exhausr port is related with the gas displacer.
In above-mentioned vehicle external air bag device, described spacing detecting sensor is arranged on the front bumper middle part.
In above-mentioned vehicle external air bag device, described speed of a motor vehicle detecting sensor is arranged in driving axle housing or the transmission case.
In above-mentioned vehicle external air bag device, described speed of a motor vehicle detecting sensor is magneto-electric car speed sensor, Hall-type car speed sensor or photo-electric car speed sensor.
Prior art is compared; this device is by detecting the distance of this car and front vehicles; calculate relative velocity by variable in distance; and calculate the collision time of two cars by distance and relative velocity; and this collision time and system are calculated the present speed of a motor vehicle of this this car voluntarily compare to stopping required time from emergency brake; judge whether to exist collision risk; when judged result when being dangerous; central controller control external air bag ECU control actr is opened external air bag; effectively protection vehicle and occupant's safety alleviates, reduces personal casualty.
Description of drawings
Fig. 1 is the structural principle schematic diagram of utility model embodiment.
Among the figure, 1, detecting signal unit; 11, spacing detecting sensor; 12, the speed of a motor vehicle detects sensing; 13, brake detecting sensor; 2, central controller; 21, relative velocity computing module; 22, Collision time calculation module; 23, braking time computing module; 24, memory module; 25, control module; 3, external air bag ECU; 4, actuating unit; 41, gas generator; 42, gas displacer; 5, external air bag.
The specific embodiment
Below be specific embodiment of the utility model, and by reference to the accompanying drawings the technical solution of the utility model be further described, but the utility model is not limited to these embodiment.
As shown in Figure 1, this vehicle external air bag device, comprise detecting signal unit 1, central controller 2, external air bag ECU3, actuating unit 4 and external air bag 5, detecting signal unit 1 is connected with the signal input part of central controller 2, central controller 2 signal output parts are connected with the signal input part of external air bag ECU3, external air bag ECU3 signal output part is connected with actuating unit 4, and actuating unit 4 is related with external air bag 5.
Specifically, detecting signal unit 1 comprises: spacing detecting sensor 11 for detection of the relative distance S of Ben Che and front truck, preferably is arranged on the front bumper middle part in the practical application; The speed of a motor vehicle detects sensing 12, is specially magneto-electric car speed sensor, Hall-type car speed sensor or photo-electric car speed sensor, for detection of the current actual vehicle speed v of this car, preferably is arranged in driving axle housing or the transmission case in the practical application; Brake detecting sensor 13 is used for gathering brake signal and flowing to central controller 2.
Central controller 2 comprises: relative velocity computing module 21, Collision time calculation module 22, braking time computing module 23, memory module 24 and control module 25.Wherein, relative velocity computing module 21 calculates the difference DELTA S of the different spacings constantly of difference and produces the difference DELTA S required time interval delta T calculating book car of this spacing and the relative velocity V of target vehicle according to the spacing detecting sensor 11 different spacing S that constantly carry; Collision time calculation module 22 is calculated the required theoretical time value Tn of two cars collision under present case according to the spacing S of relative velocity V and current time; Braking time computing module 23 is used for calculating under the current vehicle speed v from emergency brake to the required time value T that stops, and memory module 24 is used for the relevant result of calculation of storage; Control module 25 is used for the above-mentioned Tn that calculates and T are done poor the comparison, as Tn during less than T, judge that there are collision risk in this car and front truck, at this moment, the control command of control module 25 output inflations need to prove to external air bag ECU3, when dangerous situation finishes, be after elapsed time surpasses Tn, if fruit does not bump, then the control command of control module 25 output exhausts is to external air bag ECU3.
External air bag ECU3 is according to control command control actuating unit 4 work of control module 25.
Actuating unit 4 comprises gas generator 41 and gas displacer 42.The control command that gas generator 41 receives external air bag ECU3 produces gas and is filled with gas to external air bag 5; Gas displacer 42 is according to the gas in the control command discharge external air bag 5 of external air bag ECU3.
External air bag 5 is arranged on around the vehicle body, is provided with admission port and exhausr port on the external air bag 5, and admission port is related with gas generator 41, and exhausr port is related with gas displacer 42.
By the use of this vehicle external air bag device, can before occuring, accident open external air bag, put on one deck " protective case " to vehicle, effectively protect passenger's safety, and reduce to a certain extent the damage of vehicle.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (7)
1. vehicle external air bag device, it is characterized in that, comprise detecting signal unit (1), central controller (2), external air bag ECU(3), actuating unit (4) and external air bag (5), described detecting signal unit (1) is connected with the signal input part of central controller (2), the signal output part of described central controller (2) and external air bag (5) ECU(3) input end is connected, described external air bag ECU(3) signal output part is connected with actuating unit (4), described actuating unit (4) is related with external air bag (5), described central controller (2) receives the signal that detecting signal unit (1) is carried, judge the possibility that this car and target vehicle collide, and the pipage control instruction is to external air bag ECU(3) control actuating unit (4) to inflation or the venting of safety air bag.
2. vehicle external air bag device according to claim 1 is characterized in that, described detecting signal unit (1) comprises spacing detecting sensor (11), speed of a motor vehicle detecting sensor (12) and brake detecting sensor (13).
3. vehicle external air bag device according to claim 1 and 2 is characterized in that, described actuating unit (4) comprises gas generator (41) and gas displacer (42).
4. vehicle external air bag device according to claim 1 and 2, it is characterized in that, described external air bag (5) is arranged on around the vehicle body, be provided with admission port and exhausr port at described external air bag (5), admission port is related with gas generator (41), and exhausr port is related with gas displacer (42).
5. vehicle external air bag device according to claim 2 is characterized in that, described spacing detecting sensor (11) is arranged on the front bumper middle part.
6. vehicle external air bag device according to claim 2 is characterized in that, described speed of a motor vehicle detecting sensor (12) is arranged in driving axle housing or the transmission case.
7. vehicle external air bag device according to claim 6 is characterized in that, described speed of a motor vehicle detecting sensor (12) is magneto-electric car speed sensor, Hall-type car speed sensor or photo-electric car speed sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220123789 CN202753900U (en) | 2012-03-29 | 2012-03-29 | External airbag device for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220123789 CN202753900U (en) | 2012-03-29 | 2012-03-29 | External airbag device for vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202753900U true CN202753900U (en) | 2013-02-27 |
Family
ID=47733093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220123789 Expired - Lifetime CN202753900U (en) | 2012-03-29 | 2012-03-29 | External airbag device for vehicles |
Country Status (1)
| Country | Link |
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| CN (1) | CN202753900U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107284388A (en) * | 2017-07-06 | 2017-10-24 | 安徽机电职业技术学院 | Pre- hairdo automobile external anticollision device, collision-prevention device |
| CN108072875A (en) * | 2017-11-23 | 2018-05-25 | 李党 | Vehicle collision avoidance system |
| CN108549230A (en) * | 2018-04-27 | 2018-09-18 | 李德祥 | A kind of vehicle control system based on improvement probabilistic neural network algorithm |
| CN108839614A (en) * | 2018-04-27 | 2018-11-20 | 李德祥 | A kind of vehicle safety deceleration system for electric vehicle |
| WO2019033341A1 (en) * | 2017-08-17 | 2019-02-21 | 驭势科技（北京）有限公司 | Pedestrian safety protection method and device for vehicles |
-
2012
- 2012-03-29 CN CN 201220123789 patent/CN202753900U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107284388A (en) * | 2017-07-06 | 2017-10-24 | 安徽机电职业技术学院 | Pre- hairdo automobile external anticollision device, collision-prevention device |
| WO2019033341A1 (en) * | 2017-08-17 | 2019-02-21 | 驭势科技（北京）有限公司 | Pedestrian safety protection method and device for vehicles |
| CN108072875A (en) * | 2017-11-23 | 2018-05-25 | 李党 | Vehicle collision avoidance system |
| CN108549230A (en) * | 2018-04-27 | 2018-09-18 | 李德祥 | A kind of vehicle control system based on improvement probabilistic neural network algorithm |
| CN108839614A (en) * | 2018-04-27 | 2018-11-20 | 李德祥 | A kind of vehicle safety deceleration system for electric vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130227 |