CN206436967U - A kind of high air bag of security performance - Google Patents

Abstract

The utility model discloses a kind of high air bag of security performance, including rotating bar, universal meter and steering wheel, air bag cover is provided with above the steering wheel, and it is provided with air bag at the position of air bag cover on steering wheel, fire maker is provided with the bosom position of the gas generator shell, the fire maker is electrically connected with outside ignitor switch, the gas generator enclosure is provided with pressure sensor close to the lower position of fire maker, universal meter in the utility model is the electric wire connection for detecting whole air bag, prevent air bag from the situation of open circuit short circuit occur, each electrical equipment of air bag of ensuring safety can normally be worked；Standby battery in the utility model is avoided when occurring traffic accident, and the power supply unit of automobile breaks down, it is impossible to be powered, and can be powered by standby battery, allow air bag to be normally carried out work.

Description

A kind of high air bag of security performance

Technical field

The utility model belongs to safety airbag technique field, and in particular to a kind of high air bag of security performance.

Background technology

When air bag refers to collide before occupant produces secondary collision, make the device of air bag expansion protection occupant, safety Air bag is referred to as air bag system as the servicing unit of the passenger restraint system of seat harness, and air bag system is Integrated safety airbag module, sensing collision are constituted from air bag and inflation mechanism and expansion instruction is sent to air bag module The wire harness for the signal that collision sensor system and transmission are sent by sensor is constituted.

But air bag in the market is not only complicated, and function is single, is occurring security incident process In, it is understood that there may be the whole phenomenon all powered off with electric line of automobile, this causes air bag not to be operated, fire maker Sparking operation can not be carried out, air bag can not play a role, and automobile air bag it is long-term without using, automobile in annual test and The inspection for ignoring air bag circuit is there may be in servicing operations, the long-term minor accident of automobile causes the air bag of automobile Circuit occur open circuit short circuit phenomenon because being not provided with universal meter to detect the line condition of air bag, it is impossible to really The air bag that ensures safety whether can normal work, when surprisingly occur when run into air bag can not normal work, this is than relatively hazardous.

Utility model content

The purpose of this utility model is to provide a kind of security performance high air bag, to solve in above-mentioned background technology The air bag of the automobile of proposition is long-term without using automobile there may be ignorance air bag circuit in annual test and servicing operations Inspection, the long-term minor accident of automobile, cause automobile air bag circuit occur open circuit short circuit phenomenon because not setting Volometer is put to detect the line condition of air bag, it is impossible to ensure air bag whether can normal work, when unexpected hair Run into when raw air bag can not normal work the problem of.

To achieve the above object, the utility model provides following technical scheme：A kind of high air bag of security performance, bag Include and be provided with above rotating bar, universal meter and steering wheel, the steering wheel on air bag cover, and steering wheel close to substitute It is provided with the position of operculum below air bag, the steering wheel and is provided with gas generator shell, the gas occurs Fire maker is provided with the bosom position of device shell, the fire maker is electrically connected with outside ignitor switch, the gas Lower position inside generator shell close to fire maker is provided with pressure sensor, the pressure sensor and outside electric power storage Bottle is electrically connected with, and the rotating bar is arranged on the lower section of gas generator shell, and standby electric power storage is provided with below rotating bar Pond, the standby battery is electrically connected with outside accumulator jar, and impact microphone is provided with the left of standby battery, described Impact microphone is electrically connected with outside accumulator jar, and the universal meter is arranged on the left side of impact microphone, and universal meter with it is outer Portion's accumulator jar is electrically connected with, and the fire maker, pressure sensor and impact microphone are electrically connected with standby battery.

It is preferred that, the steering wheel is rotated by gas generator shell with rotating bar and is connected.

It is preferred that, the rotating bar is cylindrical hollow round bar structure.

It is preferred that, the pressure sensor is bolted to connection with gas generator shell.

It is preferred that, the steering wheel is bolted to connection with air bag cover.

Compared with prior art, the beneficial effects of the utility model are：

(1), the universal meter in the utility model is the electric wire connection for detecting whole air bag, prevents peace There is the situation of open circuit short circuit in full air bag, and each electrical equipment for the air bag that ensures safety can normally be worked, and once Really there is the situation of short circuit, can be shown on the display screen of steering wheel and send alarm.

(2), the standby battery in the utility model is avoided when occurring traffic accident, and the power supply unit of automobile occurs Failure, it is impossible to be powered, can be powered by standby battery, allow air bag to be normally carried out work.

(3), the pressure sensor in the utility model is the air pressure that nitrogen is produced for detecting, ensures to pacify in the short time The gas generating equipment of full air bag can produce larger pressure in a short time, then just start to break through air bag cover, make Obtain air bag smoothly to prop up, the gas for preventing generation is less, disposable less pressure can not break through air bag cover And the phenomenon that air bag can not be propped up

(4), the impact microphone in the utility model is to detect the equipment that motor-vehicle accident collides earthquake intensity, when what is collided Vibrations are smaller, can be by the detection of impact microphone, it is impossible to signal is passed into fire maker and struck sparks, air bag will not be rushed Go out.

(5), the structure of the air bag in the utility model is designed according to the figure of people, will not greatly be gone against accepted conventions, be kept away Exempt from, because surprisingly air bag ejection, to block the sight of driver, trigger the generation of second accident.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the structural representation of steering wheel of the present utility model；

In figure：1- air bags, 2- fire makers, 3- pressure sensors, 4- rotating bars, 5- standby batteries, 6-, which hit, to be passed Sensor, 7- universal meters, 8- gas generators shell, 9- steering wheels, 10- air bag covers.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Fig. 1 and Fig. 2 are referred to, the utility model provides a kind of technical scheme：A kind of high air bag of security performance, bag Rotating bar 4, universal meter 7 and steering wheel 9 are included, the top of steering wheel 9 is provided with air bag cover 10, and steering wheel 9 close to peace Air bag 1 is provided with the position of full airbag cover 10, the lower section of steering wheel 9 is provided with gas generator shell 8, and gas occurs Fire maker 2 is provided with the bosom position of device shell 8, fire maker 2 is electrically connected with outside ignitor switch, and gas occurs The inside of device shell 8 is provided with pressure sensor 3, pressure sensor 3 and outside accumulator jar electricity close to the lower position of fire maker 2 Property connection, rotating bar 4 is arranged on the lower section of gas generator shell 8, and the lower section of rotating bar 4 is provided with standby battery 5, Standby battery 5 is electrically connected with outside accumulator jar, and the left side of standby battery 5 is provided with impact microphone 6, hits sensing Device 6 is electrically connected with outside accumulator jar, and universal meter 7 is arranged on the left side of impact microphone 6, and universal meter 7 and outside accumulator jar It is electrically connected with, fire maker 2, pressure sensor 3 and impact microphone 6 are electrically connected with standby battery 5.

In order to which steering wheel 9 can be rotated sensitively, in the present embodiment, it is preferred that steering wheel 9 passes through with rotating bar 4 Gas generator shell 8 rotates connection.

In order to ensure that the rotation of steering wheel 9 is lighter, in the present embodiment, it is preferred that rotating bar 4 is hollow for cylinder Round bar structure.

In the installation of pressure sensor 3 for convenience, the present embodiment, it is preferred that outside pressure sensor 3 and gas generator Shell 8 is bolted to connection.

In order to which air bag cover 10 can be easier to break through in the course of work of air bag, using simple connection side In formula, the present embodiment, it is preferred that steering wheel 9 is bolted to connection with air bag cover 10.

Pressure sensor 3 in the utility model is a kind of defeated with shell, stress metal interface and high level signal The pressure measuring device gone out, equipped with circular metal or plastic casing, outward appearance is cylindrical in shape, and one end is pressure interface, and the other end is electricity Cable or connector, this kind of pressure sensor 3 are usually used in extreme temperature and electromagnetic interference environment, and resistance is changed by electromagnetic interference Size, so as to detect the size of pressure；

Impact microphone 6 in the utility model is the control signal input equipment in air bag system, and its effect is In car collision, the strength signal of car crass is detected by crash sensor, and inputs a signal into air bag computer, Air bag computer determines whether that igniting inflation element makes airbag aeration according to the signal of crash sensor, and crash sensor is more Number uses inertia-type mechanical switch structure, and a suitable controlling switch, its working condition depends on car crass brief acceleration Size, can be divided into mechanical and two kinds of electronic type by structure.

Operation principle of the present utility model and use flow：When surprisingly occurring, unexpected hair is detected by impact microphone 6 The size of raw shock dynamics, when the earthquake intensity of shock is not reaching to the numerical value of setting, air bag will not spray, when what is detected Earthquake intensity reaches the numerical value of setting, the signal of detection can be delivered into fire maker 2 so that fire maker 2 proceeds by work, lights Gas-forming agent inside gas generator shell 8 so that the inside of gas generator shell 8 produces substantial amounts of gas, passes through pressure Force snesor 3 produces the size of gas pressure intensity to detect, when pressure, which reaches, to be enough disposably to break through air bag cover 10, gas Generator shell 8 starts the nitrogen that release is produced, and nitrogen is entered air bag, and break through air bag cover 10 and safety belt Use cooperatively, protect chest and the head of people, it is available when automobile power source can not power when because accident occurs for accident Standby battery 5 is air bag power supply for electrical equipment, prevents air bag from failing, air bag is judged using universal meter 7 With the presence or absence of broken string, short circuit, the operating state and system of each sensor are integrated with fault-free, and user is reminded in forms such as warning lamps Carry out daily overhauling.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of high air bag of security performance, including rotating bar (4), universal meter (7) and steering wheel (9), it is characterised in that： It is provided with above the steering wheel (9) on air bag cover (10), and steering wheel (9) close to the position of air bag cover (10) Place is provided with below air bag (1), the steering wheel (9) and is provided with gas generator shell (8), the gas generator Fire maker (2) is provided with the bosom position of shell (8), the fire maker (2) is electrically connected with outside ignitor switch, institute State the internal lower position close to fire maker (2) of gas generator shell (8) and be provided with pressure sensor (3), the pressure Sensor (3) is electrically connected with outside accumulator jar, and the rotating bar (4) is arranged on the lower section of gas generator shell (8), and turns Standby battery (5) is provided with below lever (4), the standby battery (5) is electrically connected with outside accumulator jar, and standby Impact microphone (6) is provided with the left of battery (5), the impact microphone (6) is electrically connected with outside accumulator jar, described Universal meter (7) is arranged on the left side of impact microphone (6), and universal meter (7) is electrically connected with outside accumulator jar, the fire maker (2), pressure sensor (3) and impact microphone (6) are electrically connected with standby battery (5).

2. a kind of high air bag of security performance according to claim 1, it is characterised in that：The steering wheel (9) with Rotating bar (4) is rotated by gas generator shell (8) and connected.

3. a kind of high air bag of security performance according to claim 1, it is characterised in that：The rotating bar (4) is The hollow round bar structure of cylinder.

4. a kind of high air bag of security performance according to claim 1, it is characterised in that：The pressure sensor (3) it is bolted to connection with gas generator shell (8).

5. a kind of high air bag of security performance according to claim 1, it is characterised in that：The steering wheel (9) with Air bag cover (10) is bolted to connection.