CN102211561A - Control method for steering wheel collapse and device using same - Google Patents
Control method for steering wheel collapse and device using same Download PDFInfo
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- CN102211561A CN102211561A CN 201110115261 CN201110115261A CN102211561A CN 102211561 A CN102211561 A CN 102211561A CN 201110115261 CN201110115261 CN 201110115261 CN 201110115261 A CN201110115261 A CN 201110115261A CN 102211561 A CN102211561 A CN 102211561A
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- bearing circle
- crumple
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- air bag
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Abstract
The invention provides a control method for steering wheel collapse. The method comprises the following steps: 1) using a sensor to monitor an accelerated speed of a vehicle in a driving process and send a real-time signal to a microprocessor; 2) computing the real-time signal received from the sensor by the microprocessor, judging if present situation of the vehicle is collision situation and judging the collision degree of the vehicle; and 3) when the present situation is the collision situation and the collision is serious, directly sending an igniting signal to a gas generator by the microprocessor and sending a collapse signal to a steering wheel tubular column. Furthermore, the invention provides a control device which controls according to the method. According to the control method, the accelerated speed of the vehicle is monitored at real time while the collapse of the steering wheel tubular column is guided at real time, so that the starting time of the collapse of the steering wheel tubular column is accurately controlled.
Description
Technical field
The present invention relates to a kind of control method, particularly a kind of bearing circle crumple control method and device.
Background technology
Along with people are to improving constantly that automotive safety is familiar with in recent years, car load maker also more and more payes attention to the design of passive security.In order to improve the safety performance of vehicle body, car load factory has adopted crumple formula safeguard construction vehicle body and deformable seat, and common configuration devices such as safety strap pretension, a plurality of safety air bag and crumple formula bearing circle.The application of these devices; make vehicle when bumping; can absorb Impact energy by vehicle body deformation; the constraint occupant stops the occupant to move in driving compartment; reduce the impulsive force that the people is subjected in the collision process; reduce the modes such as injury of secondary collision, passenger and pedestrian are protected.
Wherein the crumple formula bearing circle of Purely mechanical can't accurately be held the run up time of bearing circle tubing string crumple, realize starting exactly crumple, need the external electrical control unit, in the prior art, application number is 200810111160.8 Chinese invention patent, it provides a kind of safety air bag signal intercepting system, obtain air bag ignition signal, make and add safety device and can in time start the crumple of bearing circle tubing string.But do the expansion effect that influences air bag in the process of intercepting like this, maloperation also takes place easily, have certain signal errors, and need add wire harness and device, wire harness is complicated more, and control unit is many more, and integral vehicle cost is just high more.
Summary of the invention
The object of the present invention is to provide a kind of crumple formula control unit that need not to add, obtain crumple and ignition signal timely and startup crumple control method of bearing circle crumple accurately and device.
For solving the problems of the technologies described above, bearing circle crumple control method of the present invention comprises the steps:
The first step, sensor monitoring vehicle in the process of moving acceleration/accel and send live signal to microprocessor;
In second step, microprocessor calculates the live signal that receives from sensor and whether the present case of judging vehicle is the collision degree that belongs to case of collision and automobile;
In the 3rd step, when judgement is to belong to case of collision and collision degree when serious, microprocessor will send ignition signal to gas generator, send the crumple signal to the bearing circle tubing string.
When the result of determination in second step is the non-collision situation, microprocessor will can not send ignition signal to gas generator, also can not send the crumple signal to the bearing circle tubing string.
The device that uses said method to carry out work comprises: bearing circle; Be located at the bearing circle tubing string under the bearing circle; Air bag module is arranged on the described bearing circle and towards navigating mate; The air bag module control unit, this control unit is electrically connected with bearing circle tubing string and air bag module, is used to judge the order of severity of collision, and sends signal to bearing circle tubing string and described air bag module.
Described air bag module control unit comprises sensor, the microprocessor that intercouples; Described air bag module comprises interconnective safety air bag and gas generator.
The present invention is by the crumple of safety air bag control unit direct control bearing circle tubing string.In safety air bag control unit working process, vehicle acceleration is monitored in real time, simultaneously the crumple of direction coil pipe post is led in real time, accurately controlling party is to the crumple run up time of coil pipe post.According to the speed of a motor vehicle, signals such as sensor by the computing of safety air sac controller, draw the crumple run up time and the execution of bearing circle tubing string more exactly.
In addition because the safety air bag control unit also has the collision recognition function, adopt the method to avoid sudden stop simultaneously or collide error starting bearing circle tubing string crumple under the situation such as not serious; By the crumple of safety air bag control unit direct control bearing circle, do not need the intercept signal system, do not need the crumple of add-on device control bearing circle yet; The time that starts crumple is drawn according to the actual collision data operation by the safety air bag control unit, has guaranteed to start accuracy, promptness and the reliability of crumple.
Description of drawings
Fig. 1 is bearing circle crumple control method of the present invention and device control flow chart;
Fig. 2 is bearing circle crumple control method of the present invention and apparatus module figure.
The specific embodiment
Below in conjunction with accompanying drawing bearing circle crumple control method of the present invention and device are described in further detail.
As shown in Figure 1, bearing circle crumple control method of the present invention comprises the steps:
S100, sensor monitoring vehicle in the process of moving acceleration/accel and send live signal to microprocessor;
S200, microprocessor calculate the live signal that receives from sensor and judge vehicle situation at that time;
S201, microprocessor calculate the live signal that receives from sensor and whether the present case of judging vehicle is to belong to case of collision;
S202 is when judgement is to belong to the collision degree of judging automobile under the case of collision again;
S300, when judgement is to belong to case of collision and collision degree when serious, microprocessor directly sends ignition signal to gas generator, sends the crumple signal to the bearing circle tubing string, and with the safety strap pretension; When the result of determination of S201 step is the non-collision situation, microprocessor will can not send ignition signal to gas generator, can not send the crumple signal to the bearing circle tubing string, safety strap can not carried out pretension yet.
For the order of severity of auto against, when Automobile Collision Velocity surpasses 23 kilometers/hour positive rigid collision intensity, then think serious collision.
As shown in Figure 2, bearing circle crumple control setup comprises: bearing circle; Be located at the bearing circle tubing string under the bearing circle; Be arranged on the bearing circle and towards the mental awareness air bag module; And air bag module control unit 3, this control unit 3 is electrically connected with bearing circle tubing string and air bag module, is used to judge the order of severity of collision, and sends signal to bearing circle tubing string and air bag module.
Air bag module control unit 3 comprises sensor, the microprocessor that intercouples; Air bag module comprises interconnective safety air bag and gas generator.
Bearing circle crumple control method of the present invention and device are the most rational with the signal that transmits as the crumple signal that starts the bearing circle tubing string.Crumple by air bag module control unit direct control bearing circle tubing string.In air bag module control unit working process, vehicle acceleration is monitored in real time, simultaneously the crumple of direction coil pipe post is led in real time, accurately controlling party is to the crumple run up time of coil pipe post.According to the speed of a motor vehicle, signals such as sensor by the computing of safety air sac controller, draw the crumple run up time and the execution of bearing circle tubing string more exactly.
In addition because safety air sac controller has the collision recognition function, adopt the method to avoid sudden stop simultaneously or collide error starting bearing circle tubing string crumple under the situation such as not serious; By the crumple of air bag module control unit direct control bearing circle, do not need the intercept signal system, do not need the crumple of add-on device control bearing circle yet; The time that starts crumple is drawn according to the actual collision data operation by safety air sac controller, has guaranteed to start accuracy, promptness and the reliability of crumple.
Claims (5)
1. bearing circle crumple control method is characterized in that, comprises the steps:
The first step, sensor monitoring vehicle in the process of moving acceleration/accel and send live signal to microprocessor;
In second step, microprocessor calculates the live signal that receives from sensor and whether the present case of judging vehicle is the collision degree that belongs to case of collision and automobile;
In the 3rd step, when judgement is to belong to case of collision and collision degree when serious, microprocessor will send ignition signal to gas generator, send the crumple signal to the bearing circle tubing string.
2. bearing circle crumple control method according to claim 1 is characterized in that, when the result of determination in second step is the non-collision situation, microprocessor will can also not send the crumple signal to the bearing circle tubing string to sending ignition signal to gas generator.
3. the bearing circle crumple control setup that uses the control method of claim 1 or 2 to control is characterized in that, comprising:
Bearing circle;
Be located at the bearing circle tubing string under the bearing circle;
Air bag module is arranged on the described bearing circle and towards navigating mate;
The air bag module control unit, this control unit is electrically connected with bearing circle tubing string and air bag module, is used to judge the order of severity of collision, and sends signal to bearing circle tubing string and described air bag module.
4. bearing circle crumple control setup according to claim 3 is characterized in that described air bag module control unit comprises sensor and the microprocessor that intercouples.
5. bearing circle crumple control setup according to claim 3 is characterized in that described air bag module comprises interconnective safety air bag and gas generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110115261 CN102211561A (en) | 2011-05-05 | 2011-05-05 | Control method for steering wheel collapse and device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110115261 CN102211561A (en) | 2011-05-05 | 2011-05-05 | Control method for steering wheel collapse and device using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102211561A true CN102211561A (en) | 2011-10-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110115261 Pending CN102211561A (en) | 2011-05-05 | 2011-05-05 | Control method for steering wheel collapse and device using same |
Country Status (1)
| Country | Link |
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| CN (1) | CN102211561A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065461A (en) * | 2018-01-22 | 2019-07-30 | 宝沃汽车（中国）有限公司 | Steering wheel collapse control method, device and system |
| CN111776060A (en) * | 2020-06-10 | 2020-10-16 | 中国第一汽车股份有限公司 | Control system and control method for adaptive crushing of steering column in automobile collision |
| CN111824239A (en) * | 2018-12-17 | 2020-10-27 | 吉利汽车研究院（宁波）有限公司 | A steering column system and vehicle that is used for collapsible formula of vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020112912A1 (en) * | 2001-02-21 | 2002-08-22 | Napier Steven Lee | System and method for activating a brake system for an automotive vehicle |
| CN101117129A (en) * | 2006-07-31 | 2008-02-06 | 比亚迪股份有限公司 | Steering mast automatically withdrawing system |
| CN101602350A (en) * | 2008-06-11 | 2009-12-16 | 冯建中 | Safety air bag signal intercepting system |
| CN101934812A (en) * | 2009-06-29 | 2011-01-05 | 北汽福田汽车股份有限公司 | Steering wheel capable of protecting belly of driver and commercial vehicle equipped with same |
| CN202208274U (en) * | 2011-05-05 | 2012-05-02 | 上海东方久乐汽车安全气囊有限公司 | Steering wheel collapse control device |
-
2011
- 2011-05-05 CN CN 201110115261 patent/CN102211561A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020112912A1 (en) * | 2001-02-21 | 2002-08-22 | Napier Steven Lee | System and method for activating a brake system for an automotive vehicle |
| CN101117129A (en) * | 2006-07-31 | 2008-02-06 | 比亚迪股份有限公司 | Steering mast automatically withdrawing system |
| CN101602350A (en) * | 2008-06-11 | 2009-12-16 | 冯建中 | Safety air bag signal intercepting system |
| CN101934812A (en) * | 2009-06-29 | 2011-01-05 | 北汽福田汽车股份有限公司 | Steering wheel capable of protecting belly of driver and commercial vehicle equipped with same |
| CN202208274U (en) * | 2011-05-05 | 2012-05-02 | 上海东方久乐汽车安全气囊有限公司 | Steering wheel collapse control device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065461A (en) * | 2018-01-22 | 2019-07-30 | 宝沃汽车（中国）有限公司 | Steering wheel collapse control method, device and system |
| CN111824239A (en) * | 2018-12-17 | 2020-10-27 | 吉利汽车研究院（宁波）有限公司 | A steering column system and vehicle that is used for collapsible formula of vehicle |
| CN111776060A (en) * | 2020-06-10 | 2020-10-16 | 中国第一汽车股份有限公司 | Control system and control method for adaptive crushing of steering column in automobile collision |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hu Huan Inventor after: Ren Xiaona Inventor after: Gao Jinsong Inventor after: Wen Hongkui Inventor after: Wang Zhixin Inventor before: Hu Huan Inventor before: Gao Jinsong Inventor before: Wen Hongkui Inventor before: Ren Xiaona Inventor before: Wang Zhixin |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HU HUAN GAO JINSONG WEN HONGKUI REN XIAONUO WANG ZHIXIN TO: HU HUAN REN XIAONUO GAO JINSONG WEN HONGKUI WANG ZHIXIN |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111012 |