CN208947265U - A kind of hybrid air bag generator of included pressure detecting - Google Patents
A kind of hybrid air bag generator of included pressure detecting Download PDFInfo
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- CN208947265U CN208947265U CN201821228451.0U CN201821228451U CN208947265U CN 208947265 U CN208947265 U CN 208947265U CN 201821228451 U CN201821228451 U CN 201821228451U CN 208947265 U CN208947265 U CN 208947265U
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- air bag
- bag generator
- pressure detecting
- hybrid air
- fixing seat
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Abstract
The utility model relates to vehicle passive safety technical fields, the hybrid air bag generator of specifically a kind of included pressure detecting, including shell, rupture disk, SAW pressure sensor, sensor fixing seat, mixed gas, ignitron, short-circuited conducting sleeve, expand combustion coyote hole, SAW pressure sensor friction welding is in sensor fixing seat, sensor fixing seat is embedded on the chamber outer wall for expanding combustion coyote hole, resonant flip-flop is equipped in SAW pressure sensor, using wireless connection between the signal output end of resonant flip-flop and the delivery and reception module of vehicle bus control unit.The utility model compared with the existing technology, in air bag generator is mounted SAW pressure sensor, obtains the pressure information in air bag generator, is connect by way of wireless transmission with vehicle bus control unit and carry out signal conveying.SAW pressure sensor used in the utility model is not necessarily to battery, is encapsulated in air bag generator, can effectively and stablize for a long time, non-maintaining, easy to use.
Description
Technical field
The utility model relates to vehicle passive safety technical field, specifically a kind of included pressure detecting it is hybrid
Air bag generator.
Background technique
After government carries out and cancels the policy that passenger car pressure is scrapped, with the extension in automotive service life period, vehicle
Master is it is necessary to know the hybrid gaseous state in various air bag generators, such as whether there is leakage etc..And vehicle does not have at present
Similar such monitoring function, is all no any pressure detecting function mainly due to current air bag generator, total with vehicle
Line control system does not form signal communication.
It, can be in real time by pressure monitoring value therefore, it is necessary to design a kind of hybrid air bag generator of included pressure detecting
It is converted into signal output, is communicated with vehicle host.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies of the prior art and provide a kind of hybrid gas of included pressure detecting
Pressure monitoring value can be converted into signal output in real time, be communicated with vehicle host by capsule generator.
In order to achieve the above object, the utility model is a kind of hybrid air bag generator of included pressure detecting, including
Shell, SAW pressure sensor, sensor fixing seat, mixed gas, ignitron, short-circuited conducting sleeve, expands combustion coyote hole, feature at rupture disk
Be: in sensor fixing seat, sensor fixing seat is embedded in outside the cavity for expanding combustion coyote hole for SAW pressure sensor friction welding
On wall, resonant flip-flop, the signal output end of resonant flip-flop and the hair of vehicle bus control unit are equipped in SAW pressure sensor
It send between receiving module using wireless connection.
Using wireless between the signal input part of the delivery and reception module and the signal output end of resonant flip-flop
Connection is connected between the signal output end of the delivery and reception module and the signal input part of LCD display using CAN bus
It connects.
Gap is equipped between the sensor fixing seat and rupture disk one.
Sensor fixing seat is 5 ~ 8mm at a distance from gap described between rupture disk one.
It is equipped with ignitron in the expansion combustion coyote hole, is equipped with short-circuited conducting sleeve in ignitron.
The expansion combustion coyote hole is mounted in shell, is expanded and is filled with mixed gas between combustion coyote hole and shell.
The shell is mounted between upper casing and lower casing, upper casing, lower casing wall thickness be 1.2mm ~ 2.5mm.
The upper casing is identical as the internal-and external diameter of lower casing, is fixed between upper casing and lower casing using friction welding.
In the upper casing insertion lower casing, using interference fit between upper casing and lower casing, the upper casing after assembly is adopted with lower casing
It is fixed with laser welding.
The end of the shell is equipped with diffuser and rupture disk two.
The utility model compared with the existing technology, in air bag generator is mounted SAW pressure sensor, obtains air bag
Pressure information in device connect with vehicle bus control unit by way of wireless transmission and carries out signal conveying, in real time will pressure
Power is shown on the LCD display of vehicle.SAW pressure sensor used in the utility model is not necessarily to battery, is encapsulated in air bag
In generator, can effectively and it stablize for a long time, it is non-maintaining, it is easy to use.
Detailed description of the invention
Communication framework figure of the Fig. 1 between the utility model and vehicle bus control unit.
Fig. 2 is the structural schematic diagram of the utility model embodiment one.
Fig. 3 is the structural schematic diagram of the utility model embodiment two.
Specific embodiment
The utility model is described further now in conjunction with attached drawing.
Embodiment 1
Referring to Fig. 1-2, the utility model is a kind of hybrid air bag generator of included pressure detecting, including shell, quick-fried
Fragmentation, sensor fixing seat, mixed gas, ignitron, short-circuited conducting sleeve, expands combustion coyote hole at SAW pressure sensor, expands combustion coyote hole 5, point
Fire tube 7, short-circuited conducting sleeve 8 constitute starting mix ignition system.Expand in combustion coyote hole 5 and be equipped with ignitron 7, is equipped with short-circuited conducting sleeve in ignitron 7
8.Expand combustion coyote hole 5 to be mounted in shell 10, expands and be filled with mixed gas 6 between combustion coyote hole 5 and shell 10.In this example, shell 10
Be mounted between upper casing 1 and lower casing 9, upper casing 1 and lower casing 9 are made of cold-rolled steel sheet, upper casing 1, lower casing 9 wall thickness be 1.2mm ~
2.5mm.If upper casing 1 is identical as the internal-and external diameter of lower casing 9, fixed between upper casing 1 and lower casing 9 using friction welding.As upper casing 1 is inserted into
In lower casing 9, using interference fit between upper casing 1 and lower casing 9, the upper casing 1 after assembly is fixed with lower casing 9 using laser welding.
3 friction welding of SAW pressure sensor is equipped with resonant trigger in sensor fixing seat 4 in SAW pressure sensor 3
Device, using wireless connection between the signal output end of resonant flip-flop and the delivery and reception module 13 of vehicle bus control unit.
Using being wirelessly connected between the signal input part of delivery and reception module 13 and the signal output end of resonant flip-flop, sends and connect
It receives and is connected between the signal output end of module 13 and the signal input part of LCD display using CAN bus 15.
The model of SAW pressure sensor 3 is TSA G160, mixed gas 6 around 3 the real time measure of SAW pressure sensor
After pressure, frequency of sound wave is formed by resonant flip-flop, signal transmission is carried out with vehicle bus control unit, in real time shows pressure
On the LCD display of vehicle, if any exception, alarm on LCD display in real time.
SAW pressure sensor 3 is due to being welded and fixed and modularized design, when air bag generator point is quick-fried, will not burst and
It splashes.SAW pressure sensor 3 is cylinder, and size can customize.
Sensor fixing seat 4 is embedded on the chamber outer wall for expanding combustion coyote hole 5, between sensor fixing seat 4 and rupture disk 1
Equipped with gap.Sensor fixing seat 4 is 5 ~ 8mm, sensor fixing seat 4 and rupture disk at a distance from gap between rupture disk 1
Have certain space between one 2, with guarantee 6 points of mixed gas it is quick-fried when without hindrance break through rupture disk 1.
The air bag generator of this example is pie, i.e. diameter ratio can be used for side safety air bag for driver less than 1, can also be used
The air bags such as Yu copilot side, seat.
Embodiment 2, the difference part with previous embodiment is only described in this example, and same section is not repeated to illustrate.
In this example, sensor fixing seat 4 is embedded in expansion combustion 5 outer wall of coyote hole, then will expand combustion coyote hole 5 again and SAW pressure passes
Sensor 3 is loaded into shell 10, wardrobe portion laser welding of going forward side by side.The end of shell 10 is equipped with diffuser 11 and rupture disk 2 12.
It is elongated cylindrical that the air bag generator of this example, which is pie, can be used for gas curtain air bag.
Claims (10)
1. a kind of hybrid air bag generator of included pressure detecting, including shell, rupture disk, SAW pressure sensor, sensor
Fixing seat, ignitron, short-circuited conducting sleeve, expands combustion coyote hole at mixed gas, it is characterised in that: SAW pressure sensor (3) friction welding exists
In sensor fixing seat (4), sensor fixing seat (4) is embedded on the chamber outer wall for expanding combustion coyote hole (5), SAW pressure sensor
(3) resonant flip-flop, the signal output end of resonant flip-flop and the delivery and reception module of vehicle bus control unit are equipped in
(13) using wireless connection between.
2. a kind of hybrid air bag generator of included pressure detecting according to claim 1, it is characterised in that: described
It is described using wireless connection between the signal input part of delivery and reception module (13) and the signal output end of resonant flip-flop
It is connected between the signal output end of delivery and reception module (13) and the signal input part of LCD display using CAN bus (15).
3. a kind of hybrid air bag generator of included pressure detecting according to claim 1, it is characterised in that: described
Gap is equipped between sensor fixing seat (4) and rupture disk one (2).
4. a kind of hybrid air bag generator of included pressure detecting according to claim 3, it is characterised in that: sensor
Fixing seat (4) is 5 ~ 8mm at a distance from gap described between rupture disk one (2).
5. a kind of hybrid air bag generator of included pressure detecting according to claim 1, it is characterised in that: described
Expand in combustion coyote hole (5) and be equipped with ignitron (7), is equipped with short-circuited conducting sleeve (8) in ignitron (7).
6. a kind of hybrid air bag generator of included pressure detecting according to claim 1, it is characterised in that: described
Expand combustion coyote hole (5) to be mounted in shell (10), expands between combustion coyote hole (5) and shell (10) and be filled with mixed gas (6).
7. a kind of hybrid air bag generator of included pressure detecting according to claim 6, it is characterised in that: described
Shell (10) is mounted between upper casing (1) and lower casing (9), upper casing (1), lower casing (9) wall thickness be 1.2mm ~ 2.5mm.
8. a kind of hybrid air bag generator of included pressure detecting according to claim 7, it is characterised in that: described
Upper casing (1) is identical as the internal-and external diameter of lower casing (9), is fixed between upper casing (1) and lower casing (9) using friction welding.
9. a kind of hybrid air bag generator of included pressure detecting according to claim 7, it is characterised in that: described
Upper casing (1) is inserted into lower casing (9), using interference fit between upper casing (1) and lower casing (9), upper casing (1) and lower casing after assembly
(9) it is fixed using laser welding.
10. a kind of hybrid air bag generator of included pressure detecting according to claim 6, it is characterised in that: described
Shell (10) end be equipped with diffuser (11) and rupture disk two (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821228451.0U CN208947265U (en) | 2018-08-01 | 2018-08-01 | A kind of hybrid air bag generator of included pressure detecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821228451.0U CN208947265U (en) | 2018-08-01 | 2018-08-01 | A kind of hybrid air bag generator of included pressure detecting |
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| Publication Number | Publication Date |
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| CN208947265U true CN208947265U (en) | 2019-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821228451.0U Active CN208947265U (en) | 2018-08-01 | 2018-08-01 | A kind of hybrid air bag generator of included pressure detecting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161732A (en) * | 2020-10-29 | 2021-01-01 | 林荣富 | Anti-interference pressure sensor and use method thereof |
-
2018
- 2018-08-01 CN CN201821228451.0U patent/CN208947265U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161732A (en) * | 2020-10-29 | 2021-01-01 | 林荣富 | Anti-interference pressure sensor and use method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191218 Address after: 200120 Building 8, No. 88, Shengrong Road, Pudong New Area, Shanghai Co-patentee after: Yanfeng Automobile Intelligent Safety System Co., Ltd. Patentee after: Shanghai Lingang Junsheng automobile safety system Co., Ltd Address before: 201315 No. 426 Pu Pu Road, Cambridge Industrial Zone, Shanghai, Pudong New Area Patentee before: Yanfeng Bailide (Shanghai) Automobile Safety System Co., Ltd. |