CN209719508U - Vehicle and airbag control device with active air bag - Google Patents
Vehicle and airbag control device with active air bag Download PDFInfo
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- CN209719508U CN209719508U CN201822191753.1U CN201822191753U CN209719508U CN 209719508 U CN209719508 U CN 209719508U CN 201822191753 U CN201822191753 U CN 201822191753U CN 209719508 U CN209719508 U CN 209719508U
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Abstract
The utility model discloses a kind of vehicle and airbag control device with active air bag, including distance acquiring unit, speed acquiring unit, barrier speed acquiring unit, arithmetic element, judging unit and air bag, the output end of the distance acquiring unit is connect with the first input end of the arithmetic element, the output end of the speed acquiring unit is connect with the second input terminal of the arithmetic element, the output end of the barrier speed acquiring unit is connect with the third input terminal of the arithmetic element, the output end of the arithmetic element is connect with the input terminal of the judging unit, the air bag includes sequentially connected air spring control, gasbag igniter and air bag, the output end of the judging unit is connect with the air spring control.The device is creative to be integrally connected multiple units, so as to before vehicle will collide, certain time firing safety air-bag in advance, and then improve the protecting effect of air bag.
Description
Technical field
The utility model relates to field of motor vehicles, especially with respect to a kind of vehicle with air bag.
Background technique
Air bag is the standarized component that must match on automobile, and present air bag igniting method is by mechanical collision
The intensity of sensor sensing collision carrys out firing safety air-bag.Although this method can play a role, but there is also causes
Order disadvantage: the ignition moment of air bag can only collision occur after, therefore, for many years, air bag be all referred to as by
Dynamic safe practice.Due to the passivity of air bag, the protective effect of passenger can be reduced.
Utility model content
The utility model provides a kind of new vehicle with active air bag.
The utility model provides a kind of vehicle with active air bag, including can obtain vehicle and barrier reality
When distance distance acquiring unit, the real-time speed of vehicle can be obtained speed acquiring unit, barrier can be obtained move in real time
The barrier speed acquiring unit of dynamic speed, the arithmetic element that the actual collision time can be obtained, when can compare actual collision
Between and default collision time judging unit and air bag, the output end of the distance acquiring unit and the arithmetic element
First input end connection, the output end of the speed acquiring unit are connect with the second input terminal of the arithmetic element, the barrier
Hinder the output end of object speed acquiring unit to connect with the third input terminal of the arithmetic element, the output end of the arithmetic element with
The input terminal of the judging unit connects, and the air bag includes sequentially connected air spring control, gasbag igniter and gas
Capsule, the output end of the judging unit are connect with the air spring control.
The distance acquiring unit is Anticollision Radar.
A kind of vehicle airbag control device, the distance including that can obtain vehicle and barrier real-time range obtain single
Member, the speed acquiring unit that the real-time speed of vehicle can be obtained, the barrier speed that the real-time movement speed of barrier can be obtained
Acquiring unit, the arithmetic element that the actual collision time can be obtained and actual collision time and default collision time can be compared
Judging unit, the output end of the distance acquiring unit are connect with the first input end of the arithmetic element, and the speed obtains
The output end of unit is connect with the second input terminal of the arithmetic element, the output end of the barrier speed acquiring unit and institute
The third input terminal connection of arithmetic element is stated, the output end of the arithmetic element is connect with the input terminal of the judging unit, institute
The output end for stating judging unit can be connect with air spring control.
The beneficial effects of the utility model are: creative is integrally connected multiple units, so as to will in vehicle
Before colliding, certain time firing safety air-bag, and then the protecting effect of raising air bag in advance.
Detailed description of the invention
Fig. 1 is that have a kind of structural block diagram of embodiment of the vehicle of active air bag；
Fig. 2 is the structural block diagram with the vehicle another embodiment of active air bag.
Specific embodiment
The utility model is described in further detail below by specific embodiment combination attached drawing.
As shown in Figure 1, the vehicle with active air bag includes distance acquiring unit, speed acquiring unit, obstacle
Object speed acquiring unit, arithmetic element, judging unit and air bag.Distance acquiring unit is connect with arithmetic element, and distance obtains
It takes unit that can obtain the real-time range of vehicle and barrier, and provides the real-time range to arithmetic element.Speed acquiring unit
It is connect with arithmetic element, speed acquiring unit can obtain the real-time speed of vehicle, and provide the real-time speed to arithmetic element.
Barrier speed acquiring unit can obtain the real-time movement speed of barrier, and provide the real-time movement speed and give operation list
Member.According to the real-time range, real-time speed and real-time movement speed, calculating vehicle and barrier will touch arithmetic element
The actual collision time hit.Arithmetic element is connected with judging unit, and provides the actual collision time to judging unit.Judgement is single
Member prestores default collision time, and judging unit compares actual collision time and default collision time, when the actual collision time not
When greater than default collision time, judging unit issues control instruction.Air bag includes sequentially connected air spring control, air bag
Igniter and air bag after air spring control receives the control instruction, make gasbag igniter light a fire and firing air bag.
Distance acquiring unit can identify the barrier of vehicle front, and calculate the real-time range of vehicle and barrier.When
When the barrier recognized has at least two, each barrier can be calculated in real time respectively at a distance from vehicle, and take wherein distance
Reckling is as the real-time range.Distance acquiring unit cognitive disorders object and can can calculate obstacle using existing
The sensor or device of object and vehicle distances, such as existing collision warning systems and Anticollision Radar.
Speed acquiring unit can obtain the reality of vehicle using existing vehicle speed sensor or by existing vehicle OBD system
When speed.
Barrier speed acquiring unit can be the existing device that real time speed measuring can be carried out to mobile object.
Default collision time can be according to requiring specifically to design, and such as 100ms, i.e., 100ms ignites at least before colliding
Air bag, it is of course also possible to use other numerical value.
Air bag be able to can be expanded rapidly after ignition using what is generally installed on existing vehicle, be protected passenger's
Air bag.The controller of air bag can be the existing controller that can control air bag ignition.
Distance acquiring unit, speed acquiring unit, barrier speed acquiring unit, arithmetic element and judging unit can be
Chip, circuit or the circuit module being independently arranged, or each chip, circuit integration is integrated.
For the vehicle with active air bag, the output end of distance acquiring unit and the first input of arithmetic element
Second input terminal of end connection, the output end of speed acquiring unit and arithmetic element connects, barrier speed acquiring unit it is defeated
The connection of the third input terminal of outlet and arithmetic element, the output end of arithmetic element and the input terminal of judging unit connect, and judge list
The input terminal for receiving control instruction of the output end and air spring control for exporting control instruction of member connects.
When meeting air bag ignition condition, judging unit issues control instruction to air spring control, air spring control control
Gasbag igniter igniting, ignites air bag.
As shown in Fig. 2, the vehicle with active air bag includes Anticollision Radar, vehicle speed sensor, barrier speed
Sensor, computing circuit, decision circuitry and air bag, air bag include sequentially connected air spring control, air bag ignition
Device and air bag.The output end of Anticollision Radar is connect with computing circuit, is capable of providing the real-time range of vehicle and barrier to fortune
Calculate circuit.The output end of vehicle speed sensor is connect with computing circuit, is capable of providing the real-time speed of vehicle to computing circuit.Barrier
The output end of object velocity sensor is hindered to connect with computing circuit, the real-time movement speed for being capable of providing barrier gives operation electricity
Road.The actual collision time is calculated according to real-time speed, real-time movement speed and real-time range in computing circuit, and is capable of providing
The actual collision time is to decision circuitry.The default collision time that decision circuitry compares the actual collision time and prestores, works as reality
When collision time is not more than default collision time, decision circuitry issues control instruction, is drawn by air spring control, gasbag igniter
Gas explosion capsule.
As shown in Figures 1 and 2, the control device for controlling air bag includes that can obtain vehicle and barrier is real-time
The distance acquiring unit of distance, the speed acquiring unit that can obtain the real-time speed of vehicle can obtain barrier and move in real time
The barrier speed acquiring unit of speed can obtain the arithmetic element of actual collision time and can compare the actual collision time
With the judging unit of default collision time, the output end of distance acquiring unit and the first input end of arithmetic element are connected, speed
The output end of acquiring unit and the second input terminal of arithmetic element connect, the output end and operation list of barrier speed acquiring unit
The third input terminal connection of member, the output end of arithmetic element and the input terminal of judging unit connect, the output end energy of judging unit
It is enough to be connect with the air spring control of air bag.For the control device, one independence of each integrated formation of component units
Module, the standalone module can integrate in the existing smart machine of vehicle.
The utility model provides a kind of vehicle with active air bag, can will collide in vehicle
When, certain time firing safety air-bag in advance, to improve the protective effect of air bag.The utility model it is creative will be more
A unit is integrally connected, so as to shift to an earlier date firing safety air-bag, can active firing safety air-bag, improve the guarantor of air bag
Shield effect.
The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that
The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made.
Claims (3)
1. a kind of vehicle with active air bag, which is characterized in that including can obtain vehicle and barrier in real time away from
From distance acquiring unit, the real-time speed of vehicle can be obtained speed acquiring unit, barrier mobile speed in real time can be obtained
The barrier speed acquiring unit of degree, the arithmetic element that the actual collision time can be obtained, can compare the actual collision time and
The judging unit and air bag of default collision time, the first of the output end of the distance acquiring unit and the arithmetic element
Input terminal connection, the output end of the speed acquiring unit are connect with the second input terminal of the arithmetic element, the barrier
The output end of speed acquiring unit is connect with the third input terminal of the arithmetic element, the output end of the arithmetic element with it is described
The input terminal of judging unit connects, and the air bag includes sequentially connected air spring control, gasbag igniter and air bag, institute
The output end for stating judging unit is connect with the air spring control.
2. as described in claim 1 with the vehicle of active air bag, which is characterized in that the distance acquiring unit is
Anticollision Radar.
3. a kind of airbag control device, which is characterized in that the distance including vehicle and barrier real-time range can be obtained
Acquiring unit, the speed acquiring unit that the real-time speed of vehicle can be obtained, the obstacle that the real-time movement speed of barrier can be obtained
Object speed acquiring unit, the arithmetic element that the actual collision time can be obtained and it can compare actual collision time and default collision
The judging unit of time, the output end of the distance acquiring unit are connect with the first input end of the arithmetic element, the vehicle
The output end of fast acquiring unit is connect with the second input terminal of the arithmetic element, the output of the barrier speed acquiring unit
End is connect with the third input terminal of the arithmetic element, and the input terminal of the output end of the arithmetic element and the judging unit connects
It connects, the output end of the judging unit can be connect with air spring control.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018216206737 | 2018-09-30 | ||
| CN201821620673 | 2018-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209719508U true CN209719508U (en) | 2019-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822191753.1U Active CN209719508U (en) | 2018-09-30 | 2018-12-25 | Vehicle and airbag control device with active air bag |
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|---|---|
| CN (1) | CN209719508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113799750A (en) * | 2021-10-22 | 2021-12-17 | 奇瑞商用车（安徽）有限公司 | Vehicle speed signal acquisition method |
-
2018
- 2018-12-25 CN CN201822191753.1U patent/CN209719508U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113799750A (en) * | 2021-10-22 | 2021-12-17 | 奇瑞商用车（安徽）有限公司 | Vehicle speed signal acquisition method |
| CN113799750B (en) * | 2021-10-22 | 2023-09-12 | 奇瑞商用车（安徽）有限公司 | Method for collecting vehicle speed signal |
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