CN2565677Y - Car safety airbag trolley test ignition controller - Google Patents
Car safety airbag trolley test ignition controller Download PDFInfo
- Publication number
- CN2565677Y CN2565677Y CN 02275129 CN02275129U CN2565677Y CN 2565677 Y CN2565677 Y CN 2565677Y CN 02275129 CN02275129 CN 02275129 CN 02275129 U CN02275129 U CN 02275129U CN 2565677 Y CN2565677 Y CN 2565677Y
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- switch
- processing unit
- central processing
- process unit
- central process
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- Expired - Fee Related
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Abstract
The utility model relates to a car safety airbag trolley test ignition controller, which is provided with a central processing unit and a drive control circuit, wherein, one input end of the central processing unit is respectively connected with a mechanical switch and an electronic switch which act according to the collision of trolleys, and the central processing unit is used for exporting drive signals under the condition that the mechanical switch and the electronic switch are both switched on. The other input end of the central processing unit is also connected with a keyboard which is used for setting the continuous adjustable time parameter, and an optoelectronic isolator is connected with the position between the output end of the central processing unit and the drive control circuit. The utility model has the advantages of high precision, high reliability and reproducibility, and can prevent false actions and replace the vehicle collision test. The time parameter can be adjusted.
Description
Technical field
The utility model belongs to safe automobile air bag test device therefor, particularly a kind of safe automobile air bag sled test ignition control device.
Background technology
Abroad in the automobile air-bag system, gas generator and air bag be normalisation all, can choose according to different vehicles.And Spark Control System wherein is the gordian technique in the air bag system, and it is quick-fried that it is determining when air bag begins accurate place.At present, in the air bag development process, all be to do development experiments with full scale vehicle collision, its shortcoming is the cost height, causes experimentation cost height, waste greatly.
Summary of the invention
The purpose of this utility model is to solve the problem that prior art exists, but provides a kind of precision height, reliability height false action-proof, time parameter is adjustable and have repeatability, can replace the safe automobile air bag sled test ignition control device of real vehicle collision test.
The utility model is achieved by the following technical programs: it has a central process unit and Drive and Control Circuit, its special character is that the input end at central process unit is connected to respectively and is used for the mechanical switch and the electronic switch that move according to trolley impact, said central process unit is used for output drive signal under the situation that mechanical switch and electronic switch are all connected, also be connected to the keyboard that is used for being provided with continuous adjustable time parameter at another input end of central process unit, be connected to photoisolator between the mouth of said central process unit and the input end of Drive and Control Circuit.
According to above-mentioned safe automobile air bag sled test ignition control device, said mechanical switch is travel switch or banded switch.
This safe automobile air bag sled test ignition control device adopts machinery, the two trigger circuit of electronics, has increased safety factor, prevents that module igniting mistake is quick-fried; By keyboard continuous adjustable time parameter (colliding to point of ignition) can be set; Can realize the isolation of central process unit and Drive and Control Circuit by photoisolator; Therefore, but have precision height, reliability height false action-proof, time parameter is adjustable and has repeatable advantage, can replace real vehicle collision test.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is a program flow diagram of the present utility model.
The specific embodiment
As shown in the figure, the utility model has a central process unit 4 and Drive and Control Circuit 6, said Drive and Control Circuit 6 provides enough load capacities that the magnetic saturation relay is realized actv. control, be connected to respectively at the input end of central process unit 4 and be used for the electronic switch 1 and the mechanical switch 2 that move according to trolley impact, said electronic switch 1 can be photoelectric switch, said mechanical switch 2 can adopt banded switch or travel switch, said central process unit 4 is set to output drive signal under the situation that electronic switch 1 and mechanical switch 2 are all connected, to improve safety factor, prevent the quick-fried action of mistake, also be connected to the keyboard 3 that is used for being provided with continuous adjustable time parameter at central process unit 4 another input ends, the scope of setting is 0～50ms, be connected to photoisolator 5 between the input end of the mouth of said central process unit 4 and Drive and Control Circuit 6, be used for preventing misoperation, further improve safety factor.
When reality is used, electronic switch 1 and mechanical switch 2 be installed in be used on the frame of Waveshape reproduction device of acquired signal, in the mouth connection module ignition device 7 (comprising automobile storage battery, protective resistance, booster) of Drive and Control Circuit 6.Before the test,, on the front panel of sled test module ignition controller, utilize keyboard 3 and read-out to set detonating constantly of chassis diverse location air bag according to different automobile types impact strength, deceleration/decel waveform.When the chassis probe collides with Waveshape reproduction device steel wire, (or mechanical switch 2 triggered in advance when electronic switch 1 and mechanical switch 2 triggered simultaneously, during to electronic switch 1 triggering), central process unit 4 reads keyboard 3 set data and counts time-delay, when time-delay finishes, the control signal of output makes magnetic saturation relay adhesive in the Drive and Control Circuit 6, utilizes automobile storage battery to carry out module ignition and detonation booster, and module is torn rear gasbag and opened.
Claims (2)
1, a kind of safe automobile air bag sled test ignition control device, comprise central process unit and Drive and Control Circuit, it is characterized in that: be connected to respectively at the input end of central process unit and be used for the mechanical switch and the electronic switch that move according to trolley impact, said central process unit is used for output drive signal under the situation that mechanical switch and electronic switch are all connected, also be connected to the keyboard that is used for being provided with continuous adjustable time parameter at another input end of central process unit, be connected to photoisolator between the mouth of said central process unit and the input end of Drive and Control Circuit.
2, safe automobile air bag sled test ignition control device according to claim 1 is characterized in that: said mechanical switch is travel switch or banded switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02275129 CN2565677Y (en) | 2002-09-04 | 2002-09-04 | Car safety airbag trolley test ignition controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02275129 CN2565677Y (en) | 2002-09-04 | 2002-09-04 | Car safety airbag trolley test ignition controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2565677Y true CN2565677Y (en) | 2003-08-13 |
Family
ID=33739248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02275129 Expired - Fee Related CN2565677Y (en) | 2002-09-04 | 2002-09-04 | Car safety airbag trolley test ignition controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2565677Y (en) |
-
2002
- 2002-09-04 CN CN 02275129 patent/CN2565677Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030813 Termination date: 20100904 |