CN203093972U - Supplementary restraint system (SRS) control device for automobile body - Google Patents
Supplementary restraint system (SRS) control device for automobile body Download PDFInfo
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- CN203093972U CN203093972U CN 201320062519 CN201320062519U CN203093972U CN 203093972 U CN203093972 U CN 203093972U CN 201320062519 CN201320062519 CN 201320062519 CN 201320062519 U CN201320062519 U CN 201320062519U CN 203093972 U CN203093972 U CN 203093972U
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- control device
- electromagnetic induction
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- air bag
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Abstract
The utility model provides a supplementary restraint system (SRS) control device for an automobile body, and belongs to the technical field of automobiles. The SRS control device for the automobile body resolves the problem that an existing control device is inconvenient to use and high in cost. The SRS control device for the automobile body comprises an electromagnetic induction unit, a plurality of air bags and an electronic control unit (ECU), wherein the electromagnetic induction unit is arranged on a front bumper of an automobile and is used for collecting magnetic induction current signals when getting close to an automobile with an electromagnetic unit arranged at the tail portion, the air bags are used for forming a buffering zone between an obstacle and the automobile body, the ECU is used for judging whether to open the air bags or not according to the magnetic induction current signals transmitted by the electromagnetic induction unit, the air bags are connected with a gas generator used for triggering the air bags to work, the electromagnetic induction unit is connected with an input end of the ECU, and the gas generator is connected with an output end of the ECU. The SRS control device for the automobile body is simple in structure, low in cost and capable of playing a role in buffering when two automobiles collide with each other.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of auto body airbag control device.
Background technology
Along with the sharp increase of automobile pollution, car accident problem also layer goes out constantly, and the number that annual traffic accident is died reaches more than 100,000, and is also increasing progressively.Traditional safe automobile air bag all is installed in car interior the operator's compartment bearing circle and instrument desk; indoor occupant's safety can only be provided, and can not car body itself be protected, often after primary collision takes place; produce serious damage, cause very big economic loss to the car owner.Though also having, existing air bag device is arranged on the air bag that the car body outside is used to protect the pedestrian; but existing air bag device mainly all is to collide afterwards earlier to trigger; this control process is effective for the air bag in the driving compartment; but preposition air bag to vehicle body; of short duration time-delay may cause incomplete triggering, even can not trigger.
Problem at above-mentioned existence, existing Chinese patent literature discloses a kind of Automotive Safety Air Bags [application number: CN201120294489.X], it is characterized in that being provided with the air bag ejection door at the preceding face of automobile, described air bag ejection door inside is provided with induction installation and air bag actuator, and described air bag actuator is connected with the speed detector of induction installation and automotive interior respectively.When vehicle front had obstacle, when induction installation is sensed the obstacle distance automobile less than 1 meter, and speed detector passed to the air bag actuator with signal when detecting the automobile speed per hour greater than 20km/h, and the air bag actuator starts, and air bag is ejected.Though this device can prevent automobile because primary collision causes badly damaged to automotive front; but also can reduce the injury that secondary collision causes human body; both protected the safety of automobile; protected passenger's safety again; but this device be automobile and obstacle distance during less than 1 meter and speed per hour start air bag during greater than 20km/h; for the static obstacle in the place ahead, can play protective effect effectively; but for the front and back vehicle that is in respectively in travelling; will there be certain error in the data that detect; very likely cause when two cars do not have collision risk the situation that starts air bag, bring inconvenience and increased the economic loss of navigating mate to driving.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, proposed a kind of simple in structure, cost is low and can play the auto body airbag control device of buffer action when two cars bump.
The purpose of this utility model can realize by following technical proposal: a kind of auto body airbag control device, it is characterized in that, this control setup comprises the electromagnetic induction unit of gathering the magnetic strength current signal when being arranged on the vehicle that is used on the automobile front beam being equiped with electromagnetic unit with afterbody is close, several are used for the safety air bag of formation buffer strip between obstacle and vehicle body and the ECU that is used for judging whether according to the magnetic strength current signal that the electromagnetic induction unit is carried airbag opening, be connected with the gas generator that is used to trigger safety air bag work on the described safety air bag, described electromagnetic induction unit is connected with the input end of described ECU, and described gas generator is connected with the mouth of described ECU.
This auto body airbag control device, in the vehicle ' process, be arranged on electromagnetic induction unit on the front bumper and when two cars are close to certain distance, monitor magnetic strength electric current with front truck afterbody electromagnetic unit, two Chefei often near the time, the magnetic field that its electromagnetic unit that is arranged on the front truck afterbody sends can exert an influence to the magnetic field that is arranged on the electromagnetic induction unit on this car, the magnetic strength electric current that its electromagnetic induction unit produces can become big moment, this magnetic strength current signal is flowed to ECU, ECU receives this magnetic strength current signal and handles, the output control signal is given gas generator when judging that vehicle is about to bump, gas generator is after ECU sends ignition order, the reaction of blasting, produce nitrogen or compressed nitrogen in the storage tank discharged and be full of safety air bag, thereby between two cars, form buffer strip, to alleviate the destruction of collision to both.
Use in the airbag control device at above-mentioned auto body, described electromagnetic induction unit comprises electromagnet and connects into the coil of C/LOOP with above-mentioned ECU, described electromagnet comprises screw actuator and inserts screw actuator in-to-in iron core, be connected with storage battery on the described screw actuator, described coil is positioned at the induced field of electromagnet.Its electromagnetism ferromagnetic having or not can be used the switching current control; The size of magnetic can be controlled with the strong and weak or solenoidal number of turn of electric current, the electromagnetic unit of electromagnetic induction unit and front truck near the time electromagnet magnetic in the electromagnetic induction unit change, thereby make with ECU bonded assembly coil on produce mutation current, carry current signal to give ECU, ECU can judge whether vehicle is about to bump by this signal, its collision alarm collection accuracy height, cost is low.
With in the airbag control device, also be connected with the switch that is used for the control solenoid power on/off at above-mentioned auto body between described screw actuator and the storage battery.Control electromagnetic induction device by switch and whether start working, can effectively avoid vehicle in running order always in driving process not, the situation of waste storage battery electric energy.
With in the airbag control device, described electromagnetic induction unit comprises magnet and is arranged on the interior lead of magnets magnetic fields that described lead is connected with the input end of above-mentioned ECU at above-mentioned auto body.
With in the airbag control device, the front bumper of described electromagnetic induction unit automobile is provided with several at above-mentioned auto body.Several electromagnetic induction unit are set on front bumper can improve the accuracy of gathering two workshop collision alarms.
With in the airbag control device, this control setup also comprises the car speed sensor that is used for the collection vehicle moving velocity at above-mentioned auto body, and described car speed sensor is connected with above-mentioned ECU.The speed of a motor vehicle by the car speed sensor collection further judges whether to eject safety air bag, can improve the accuracy of this control setup work.
With in the airbag control device, described safety air bag is provided with three and be evenly distributed on the front bumper of vehicle at least at above-mentioned auto body, and described safety air bag is connected with gas generator respectively.The position of safety air bag evenly is set on the front bumper of vehicle, can when two cars bump, plays the effect of protection car body effectively.
Compared with prior art; this auto body is arranged on the electromagnetic induction unit on this car front bumper with airbag control device by utilization and is arranged on the electromagnetic unit of front truck afterbody; sudden change or its sudden change trend of the electromagnetic induction unit monitoring current in the blink before collision of itself; ECU judges by the sudden change of this electric current thereby whether two cars are about to bump in advance triggers the safety air bag that is arranged on the front bumper; to stop positive bump object; and can suitably alleviate to increase the effect of buffering collision of closed; occupant's the safety and the protection of car body have been improved; and it is simple in structure, has reduced cost.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure, 1, ECU; 2, electromagnetic induction unit; 3, gas generator; 4, safety air bag; 5, car speed sensor.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, this auto body airbag control device, comprise the electromagnetic induction unit 2 of gathering the magnetic strength current signal when being arranged on the vehicle that is used on the automobile front beam sending magnetic field with afterbody is close, several are used for forming the safety air bag 4 of buffer strip and are used for judging whether to control the ECU1 that safety air bag 4 is worked according to the magnetic strength current signal that electromagnetic induction unit 2 is carried between obstacle and vehicle body, be connected with the gas generator 3 that is used to trigger safety air bag 4 work on the safety air bag 4, described electromagnetic induction unit 2 is connected with the input end of described ECU1, and described gas generator 3 is connected with the mouth of described ECU1.
Specifically, electromagnetic induction unit 2 comprises electromagnet and connects into the coil of C/LOOP with ECU1 that electromagnet comprises screw actuator and insert screw actuator in-to-in iron core that be connected with storage battery on the screw actuator, coil is positioned at the induced field of electromagnet.Its electromagnetism ferromagnetic having or not can be used the switching current control; The size of magnetic can be controlled with the strong and weak or solenoidal number of turn of electric current, the electromagnetic unit of electromagnetic induction unit 2 and front truck near the time electromagnet magnetic in the electromagnetic induction unit 2 change, thereby make with ECU1 bonded assembly coil on produce mutation current, carry current signal to give ECU1, ECU1 can judge whether vehicle is about to bump by this signal, its collision alarm collection accuracy height, cost is low.
Preferably, can between screw actuator and storage battery, connect the switch that is used for the control solenoid power on/off.Its switch can adopt relay, and the open contact of relay and screw actuator and storage battery are connected into the loop, and the coil of relay is connected with the mouth of ECU1, and the ECU1 control relay is connected when vehicle motor starts; Additionally, its switch also can adopt hand switch to come the power on/off of control solenoid.Control electromagnetic induction device by switch and whether start working, can effectively avoid vehicle in running order always in driving process not, the situation of waste storage battery electric energy.
As another kind of preferred version, electromagnetic induction unit 2 comprises magnet and is arranged on the interior lead of magnets magnetic fields that lead is connected with the input end of ECU1.
The front bumper of electromagnetic induction unit 2 automobiles is provided with several.Number specifically is set can be three of its electromagnetic induction unit 2 is separately positioned on the position, the left and right sides and the midway location of automobile front beam.Several electromagnetic induction unit 2 are set on front bumper can improve the accuracy of gathering two workshop collision alarms.
Preferably, this control setup also comprises the car speed sensor 5 that is used for the collection vehicle moving velocity, and car speed sensor 5 is connected with ECU1.Car speed sensor 5 is used for further judging whether two cars have the danger that bumps after ECU1 receives the magnetic strength current signal of carrying electromagnetic induction unit 2, in the speed of a motor vehicle is zero, electromagnetic induction unit 2 detects the magnetic strength current signal, safety air bag 4 is not controlled, improved the accuracy of judging.
Safety air bag 4 is provided with three and be evenly distributed on the front bumper of vehicle at least, and safety air bag 4 is connected with gas generator 3 respectively.A plurality of safety air bags 4 can be connected with a cooresponding gas generator 3 respectively, also can be connected on the gas generator 3.The position of safety air bag 4 evenly is set on the front bumper of vehicle, can when two cars bump, plays the effect of protection car body effectively.
Preferably, this control setup also comprises the electromagnetic unit that is arranged on the automobile rear bumper, and its electromagnetic unit adopts electromagnet or magnet.Electromagnet comprises screw actuator and inserts screw actuator in-to-in iron core, is connected with storage battery on the screw actuator, when having electric current to flow through on screw actuator, can produce induced field around its iron core.Electromagnetic induction unit 2 is set on the front bumper of each car, electromagnetic unit is set on the rear bumper, can before two cars bump, collects sensor current signal, thereby shift to an earlier date airbag opening 4, form buffer strip in two workshops, improve the safety of vehicle and occupant's safety; And adopt electromagnetic induction unit 2 and electromagnetic unit acquired signal, lower than the cost of other distance measuring sensors.
Preferably, this control setup also comprises and ECU1 bonded assembly stoplight stop lamp, lights stoplight stop lamp before collision happens, can effectively avoid this car to bump after, front vehicle is because of reacting too late, cause situation about knocking into the back.
This auto body airbag control device, after vehicle motor starts, be arranged on start working in real time monitoring magnetic strength current signal and flow to ECU1 of electromagnetic induction unit 2 on the front bumper, the speed of car speed sensor 5 real-time collection vehicle flows to ECU1, two Chefei often near the time, the magnetic field that its electromagnetic unit that is arranged on the front truck afterbody sends can exert an influence to the magnetic field that is arranged on the electromagnetic induction unit 2 on this car, thereby undergone mutation in the magnetic field in the electromagnetic induction unit 2, and then can produce the magnetic strength electric current of sudden change with ECU1 bonded assembly lead, can before collision, monitor faradic sudden change or sudden change trend in blink by electromagnetic induction unit 2, the magnetic strength current signal that electromagnetic induction unit 2 is carried flows to ECU1, the magnetic strength current signal that ECU1 will receive is handled and is compared with predetermined current value in the ECU, when the magnetic strength electric current of gathering is non-vanishing greater than the speed of a motor vehicle of predetermined current value and car speed sensor 5 detections, judge that vehicle is about to bump, ECU1 output control signal is given gas generator 3, gas generator 3 is after ECU1 sends ignition order, the reaction of blasting, produce nitrogen or compressed nitrogen in the storage tank discharged and be full of safety air bag 4, thereby between two cars, form buffer strip, to alleviate the destruction of collision to both.
Electromagnetic induction unit 2 monitorings of this control setup by being arranged on the car front portion and the magnetic strength electric current of automobile tail electromagnetic unit; because peer's effect of repelling each other; when two cars are close; it is big that adverse effect power becomes, and make the magnetic strength electric current to become big moment before high-speed crash, according to this information; trigger the safety air bag 4 that is arranged on front part of vehicle in advance; utilize its powerful buffer action between obstacle and vehicle body, to form buffer strip,, reach the effect that the occupant is provided protection to alleviate the destruction of collision to both.
Specific embodiment described herein only is that the utility model spirit is made casehistory.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.
Although this paper has used terms such as ECU1, electromagnetic induction unit 2, gas generator 3, safety air bag 4, car speed sensor 5 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (7)
1. auto body airbag control device, it is characterized in that, this control setup comprises the electromagnetic induction unit (2) of gathering the magnetic strength current signal when being arranged on the vehicle that is used on the automobile front beam being equiped with electromagnetic unit with afterbody is close, several are used for the safety air bag (4) of formation buffer strip between obstacle and vehicle body and the ECU(1 that is used for judging whether according to the magnetic strength current signal that carry electromagnetic induction unit (2) airbag opening (4)), be connected with the gas generator (3) that is used to trigger safety air bag (4) work on the described safety air bag (4), described electromagnetic induction unit (2) and described ECU(1) input end be connected described gas generator (3) and described ECU(1) mouth be connected.
2. auto body airbag control device according to claim 1, it is characterized in that, described electromagnetic induction unit (2) comprise electromagnet and with above-mentioned ECU(1) connect into the coil of C/LOOP, described electromagnet comprises screw actuator and inserts screw actuator in-to-in iron core, be connected with storage battery on the described screw actuator, described coil is positioned at the induced field of electromagnet.
3. auto body airbag control device according to claim 2 is characterized in that, also is connected with the switch that is used for the control solenoid power on/off between described screw actuator and the storage battery.
4. auto body airbag control device according to claim 1 is characterized in that, described electromagnetic induction unit (2) comprises magnet and is arranged on lead in the magnets magnetic fields, described lead and above-mentioned ECU(1) input end be connected.
5. according to claim 1 or 2 or 4 described auto body airbag control devices, it is characterized in that the front bumper of described electromagnetic induction unit (2) automobile is provided with several.
6. auto body airbag control device according to claim 5 is characterized in that, this control setup also comprises the car speed sensor (5) that is used for the collection vehicle moving velocity, described car speed sensor (5) and above-mentioned ECU(1) be connected.
7. auto body airbag control device according to claim 6, it is characterized in that, described safety air bag (4) is provided with three and be evenly distributed on the front bumper of vehicle at least, and described safety air bag (4) is connected with gas generator (3) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320062519 CN203093972U (en) | 2013-01-31 | 2013-01-31 | Supplementary restraint system (SRS) control device for automobile body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320062519 CN203093972U (en) | 2013-01-31 | 2013-01-31 | Supplementary restraint system (SRS) control device for automobile body |
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| Publication Number | Publication Date |
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| CN203093972U true CN203093972U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320062519 Expired - Lifetime CN203093972U (en) | 2013-01-31 | 2013-01-31 | Supplementary restraint system (SRS) control device for automobile body |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774688A (en) * | 2019-03-20 | 2019-05-21 | 吉林大学 | A kind of car rear-end device and its control method based on front camera and rear camera |
| CN112881028A (en) * | 2020-12-28 | 2021-06-01 | 云度新能源汽车股份有限公司 | Detection device and detection method for detecting pop-up of automobile safety airbag |
| CN114619890A (en) * | 2022-03-11 | 2022-06-14 | 王成 | New energy automobile who contains wind power generation |
| CN116448463A (en) * | 2023-06-15 | 2023-07-18 | 潍坊微科汽车零部件有限公司 | Quick check out test set is used in production of gasbag generator |
-
2013
- 2013-01-31 CN CN 201320062519 patent/CN203093972U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774688A (en) * | 2019-03-20 | 2019-05-21 | 吉林大学 | A kind of car rear-end device and its control method based on front camera and rear camera |
| CN109774688B (en) * | 2019-03-20 | 2023-07-14 | 吉林大学 | Front and rear camera-based car rear-end collision prevention device and control method thereof |
| CN112881028A (en) * | 2020-12-28 | 2021-06-01 | 云度新能源汽车股份有限公司 | Detection device and detection method for detecting pop-up of automobile safety airbag |
| CN112881028B (en) * | 2020-12-28 | 2023-08-29 | 云度新能源汽车股份有限公司 | Detection device and detection method for detecting popping-up of automobile safety airbag |
| CN114619890A (en) * | 2022-03-11 | 2022-06-14 | 王成 | New energy automobile who contains wind power generation |
| CN116448463A (en) * | 2023-06-15 | 2023-07-18 | 潍坊微科汽车零部件有限公司 | Quick check out test set is used in production of gasbag generator |
| CN116448463B (en) * | 2023-06-15 | 2023-09-08 | 潍坊微科汽车零部件有限公司 | Quick check out test set is used in production of gasbag generator |
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Granted publication date: 20130731 |
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| CX01 | Expiry of patent term |