CN105774728A - System and method for preventing mistakenly detecting collision of vehicle - Google Patents
System and method for preventing mistakenly detecting collision of vehicle Download PDFInfo
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- CN105774728A CN105774728A CN201610196737.4A CN201610196737A CN105774728A CN 105774728 A CN105774728 A CN 105774728A CN 201610196737 A CN201610196737 A CN 201610196737A CN 105774728 A CN105774728 A CN 105774728A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0132—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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- Automation & Control Theory (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a system and method for preventing mistakenly detecting the collision of a vehicle. The system comprises a vehicle ECU, on-board OBD equipment and an internet, wherein the on-board OBD equipment comprises a data collection module, an MEMS acceleration sensor, a control module and a data communication module; the current speed and chassis number data are stored in the vehicle ECU; the data collection module of the on-board OBD equipment collects the speed and chassis number data; the MEMS acceleration sensor of the on-board OBD equipment obtains the acceleration value of each shaft in real time; the control module of the on-board OBD equipment is used for receiving the data obtained by the data collection module and the MEMS acceleration sensor and performing data interaction with the data communication module; the data communication module of the on-board OBD equipment is used for searching on the internet by using the data sent by the control module; the internet performs searching according to the data sent by the data communication module. By applying the system and method, the collision of the vehicle can be accurately detected, and the condition that the vehicle is frequently detected to be collided when the vehicle normally passes the obstacles, such as deceleration strips or bumps is avoided.
Description
Technical field
The present invention relates to vehicle-mounted Internet of Things field, particularly relate to a kind of system and method preventing flase drop from going out vehicle collision.
Background technology
General vehicle-mounted OBD equipment all has collision checking function, is obtained the accekeration of each axle in real time by MEMS acceleration transducer, detects vehicle when accekeration exceedes the threshold values of setting and collides.But, when vehicle crosses the obstacle such as deceleration strip or ditch in travelling way, if will go out collision by flase drop frequently when accekeration exceedes the threshold values of setting, cause the user is felt uncertain and puzzlement.
Summary of the invention
The present invention is directed to problem above, it is proposed that a kind of system and method preventing flase drop from going out vehicle collision, it is prevented that when vehicle normally crosses the obstacle such as deceleration strip or ditch, flase drop goes out collision frequently, reduce doubt and the puzzlement of user.
On the one hand, the invention provides the system preventing flase drop from going out vehicle collision, including: automobile ECU, vehicle-mounted OBD equipment and the Internet；Wherein, vehicle-mounted OBD equipment, including: data acquisition module, MEMS acceleration transducer, control module and data communication module；
Described automobile ECU, has current vehicle speed, chassis number data；
The data collecting module collected speed of described vehicle-mounted OBD equipment, chassis number data, and acquisition result is sent to the control module of vehicle-mounted OBD equipment；The MEMS acceleration transducer of described vehicle-mounted OBD equipment obtains the accekeration of each axle in real time, and acquisition result is sent to the control module of vehicle-mounted OBD equipment；The control module of described vehicle-mounted OBD equipment, carries out data interaction and obtains vehicle and wheelbase data for data and the data communication module receiving data acquisition module and MEMS acceleration transducer gets, is analyzed drawing collision detection result according to above-mentioned data；The data that the data communication module of described vehicle-mounted OBD equipment controls module transmission are indexed to the Internet, and indexed results is sent to control module；
The Internet sends, according to data communication module, the data come and is indexed, and indexed results is returned to data communication module.
Concrete, the data communication module of vehicle-mounted OBD equipment controls the data that the next data of module transmission are indexed to the Internet or the Internet comes according to data communication module transmission and is indexed, and wherein said data are chassis number.
More specifically, described indexed results includes the data message of vehicle and wheelbase.
On the other hand, present invention also offers a kind of method preventing flase drop from going out vehicle collision, including:
After vehicle is mounted with vehicle-mounted OBD equipment, data acquisition module is sent to control module the chassis number obtained from automobile ECU；
Controlling module and send the data to data communication module, data communication module is retrieved on the internet by these data, and preserves to control module by return again for indexed results；
During normal vehicle operation, data acquisition module obtains the speed of vehicle in real time from automobile ECU, and MEMS acceleration transducer obtains the accekeration of each axle in real time, and is sent to control module；
Exceed setting threshold values when MEMS acceleration transducer gets the accekeration on certain axle, start timing T1, and calculate, according to real-time speed and saved wheelbase, the time T2 that vehicle crosses completely, and then carry out judging whether to collide.
Further, said method also includes: when T1 < when MEMS acceleration transducer gets the accekeration exceeding setting again during T2, controls module detection and 2 collisions occur, and release timing.
Further, said method also includes: when the accekeration that MEMS acceleration transducer gets again as T1=T2 is not less than certain limit, controls module detection and does not collide, and releases timing；When the accekeration that MEMS acceleration transducer gets again exceedes certain limit, control module detection and 1 collision occurs, and release timing.
Described certain limit refers within or difference 10 degree identical with the acceleration direction retrieved before.
Further, controlling module and send the data to data communication module, data communication module is retrieved on the internet by these data, and described data are chassis number.
Further, described indexed results includes the data message of vehicle and wheelbase.
The effect of the present invention: accurately detect vehicle collision, it is prevented that when vehicle normally crosses the obstacle such as deceleration strip or ditch, flase drop goes out collision frequently, reduces doubt and the puzzlement of user.
Accompanying drawing explanation
Technical scheme for clearer explanation embodiments of the invention or prior art, introduce the accompanying drawing used required in embodiment or description of the prior art is done one simply below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is that the present invention prevents flase drop from going out the structural representation of system of vehicle collision.
Detailed description of the invention
For making the purpose of embodiments of the invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear complete description:
The invention provides the system preventing flase drop from going out vehicle collision, including: automobile ECU, vehicle-mounted OBD equipment and the Internet；Wherein, vehicle-mounted OBD equipment, including: data acquisition module, MEMS acceleration transducer, control module and data communication module；
Described automobile ECU: electronic control unit, also known as " car running computer ", has the data such as current vehicle speed, chassis number；
Described data acquisition module: gather the data such as speed, chassis number, and acquisition result is sent to vehicle-mounted control module；
Described MEMS acceleration transducer obtains the accekeration of each axle in real time, and acquisition result is sent to control module；
Described control module, carries out data interaction and obtains the data such as vehicle and wheelbase for data and the data communication module receiving data acquisition module and MEMS acceleration transducer gets, is analyzed drawing collision detection result according to above-mentioned data；
The chassis number that the data communication module of described vehicle-mounted OBD equipment controls module transmission is indexed to the Internet, and by indexed results, such as vehicle, wheelbase is sent to control module；
The Internet sends, according to data communication module, the chassis number come and is indexed, and indexed results is returned to data communication module.
On the other hand, present invention also offers a kind of method preventing flase drop from going out vehicle collision, including:
Step 1: after vehicle is mounted with vehicle-mounted OBD equipment, data acquisition module is sent to control module the chassis number obtained from automobile ECU；
Step 2: controlling module and chassis number is sent to data communication module, data communication module is retrieved on the internet with this chassis number, and preserve to control module by return again for the data such as the vehicle retrieved and wheelbase；
Step 3: during normal vehicle operation, data acquisition module obtains the speed of vehicle in real time from automobile ECU, and MEMS acceleration transducer obtains the accekeration of each axle in real time, and is sent to control module；
Step 4: exceed setting threshold values when MEMS acceleration transducer gets the accekeration on certain axle, now control module not detection immediately to collide, but start timing T1 at once, and calculate, according to real-time speed (speed > 0) and saved wheelbase, the time T2 that vehicle crosses completely, and then carry out judging whether to collide:
When T1 < when MEMS acceleration transducer gets the accekeration exceeding setting again during T2, controls module detection and 2 collisions occur, and release timing；
The accekeration that MEMS acceleration transducer gets again as T1=T2 is identical with the acceleration direction retrieved before or within difference 10 degree, controls module and detects and do not collide, and releases timing；The accekeration that MEMS acceleration transducer gets again is different with the acceleration direction retrieved before or differs by more than 10 degree, controls module detection and 1 collision occurs, and release timing；
When normally crossing deceleration strip or ditch when vehicle, even if the accekeration that MEMS acceleration transducer gets exceedes the threshold values of setting, go out collision without flase drop.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope of present disclosure; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention.
Claims (9)
1. prevent flase drop from going out the system of vehicle collision, it is characterised in that to include: automobile ECU, vehicle-mounted OBD equipment and the Internet；Wherein, vehicle-mounted OBD equipment, including: data acquisition module, MEMS acceleration transducer, control module and data communication module；
Described automobile ECU, has current vehicle speed, chassis number data；
Described data collecting module collected speed, chassis number data, and acquisition result is sent to control module；Described MEMS acceleration transducer obtains the accekeration of each axle in real time, and acquisition result is sent to control module；Described control module, carries out data interaction and obtains vehicle and wheelbase data for data and the data communication module receiving data acquisition module and MEMS acceleration transducer gets, is analyzed drawing collision detection result according to above-mentioned data；The data that described data communication module controls module transmission are indexed to the Internet, and indexed results is sent to control module；
The Internet sends, according to data communication module, the data come and is indexed, and indexed results is returned to data communication module.
2. the system preventing flase drop from going out vehicle collision according to claim 1, it is characterized in that, data communication module controls the data that the next data of module transmission are indexed to the Internet or the Internet comes according to data communication module transmission and is indexed, and its described data are chassis number.
3. the system preventing flase drop from going out vehicle collision according to claim 1, it is characterised in that described indexed results includes the data message of vehicle and wheelbase.
4. one kind prevents the method that flase drop goes out vehicle collision, it is characterised in that including:
After vehicle is mounted with vehicle-mounted OBD equipment, data acquisition module is sent to control module the chassis number obtained from automobile ECU；
Controlling module and send the data to data communication module, data communication module is retrieved on the internet by these data, and preserves to control module by return again for indexed results；
During normal vehicle operation, data acquisition module obtains the speed of vehicle in real time from automobile ECU, and MEMS acceleration transducer obtains the accekeration of each axle in real time, and is sent to control module；
Exceed setting threshold values when MEMS acceleration transducer gets the accekeration on certain axle, start timing T1, and calculate, according to real-time speed and saved wheelbase, the time T2 that vehicle crosses completely, and then carry out judging whether to collide.
5. the method preventing flase drop from going out vehicle collision according to claim 4, it is characterized in that, said method also includes: when T1 < when MEMS acceleration transducer gets the accekeration exceeding setting again during T2, controls module detection and 2 collisions occur, and release timing.
6. the method preventing flase drop from going out vehicle collision according to claim 4, it is characterized in that, said method also includes: when the accekeration that MEMS acceleration transducer gets again as T1=T2 is not less than certain limit, controls module detection and does not collide, and releases timing；When the accekeration that MEMS acceleration transducer gets again exceedes certain limit, control module detection and 1 collision occurs, and release timing.
7. the method preventing flase drop from going out vehicle collision according to claim 6, it is characterised in that described certain limit refers within or difference 10 degree identical with the acceleration direction retrieved before.
8. the method preventing flase drop from going out vehicle collision according to claim 4, it is characterised in that controlling module and send the data to data communication module, data communication module is retrieved on the internet by these data, and described data are chassis number.
9. the method preventing flase drop from going out vehicle collision according to claim 4, it is characterised in that described indexed results includes the data message of vehicle and wheelbase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610196737.4A CN105774728B (en) | 2016-03-31 | 2016-03-31 | Prevent erroneous detection from going out the system and method for vehicle collision |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610196737.4A CN105774728B (en) | 2016-03-31 | 2016-03-31 | Prevent erroneous detection from going out the system and method for vehicle collision |
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| CN105774728A true CN105774728A (en) | 2016-07-20 |
| CN105774728B CN105774728B (en) | 2019-03-15 |
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| CN201610196737.4A Active CN105774728B (en) | 2016-03-31 | 2016-03-31 | Prevent erroneous detection from going out the system and method for vehicle collision |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107031552A (en) * | 2017-02-24 | 2017-08-11 | 深圳市保千里电子有限公司 | A kind of car crass detection method and system |
| CN108062856A (en) * | 2017-12-18 | 2018-05-22 | 广州亚美信息科技有限公司 | A kind of vehicle impact detection system and method based on vehicle-mounted OBD interfaces |
| US10861258B2 (en) * | 2017-06-23 | 2020-12-08 | Hyundai Motor Company | Method for preventing diagnostic errors in vehicle network and apparatus therefor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105774728B (en) | 2019-03-15 |
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