CN105774728B - Prevent erroneous detection from going out the system and method for vehicle collision - Google Patents
Prevent erroneous detection from going out the system and method for vehicle collision Download PDFInfo
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- CN105774728B CN105774728B CN201610196737.4A CN201610196737A CN105774728B CN 105774728 B CN105774728 B CN 105774728B CN 201610196737 A CN201610196737 A CN 201610196737A CN 105774728 B CN105774728 B CN 105774728B
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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
Prevent erroneous detection from going out the system and method for vehicle collision, comprising: automobile ECU, vehicle-mounted OBD equipment and internet；Wherein, vehicle-mounted OBD equipment, comprising: data acquisition module, MEMS acceleration transducer, control module and data communication module；The automobile ECU has current vehicle speed, chassis number；Data collecting module collected speed, the chassis number of the vehicle-mounted OBD equipment；The MEMS acceleration transducer of the vehicle-mounted OBD equipment obtains the acceleration value of each axis in real time；The control module of the vehicle-mounted OBD equipment, the data and data communication module that acquisition module and MEMS acceleration transducer are got for receiving data carry out data interaction；The data communication module of the vehicle-mounted OBD equipment is indexed with the data that control module is sent to internet；Internet is indexed according to the data that data communication module is sent.The present invention can accurately detect vehicle collision, prevent vehicle frequent erroneous detection collision out when normally crossing the obstacles such as deceleration strip or ditch.
Description
Technical field
The present invention relates to vehicle-mounted internet of things field more particularly to a kind of system and method for preventing erroneous detection from going out vehicle collision.
Background technique
General vehicle-mounted OBD equipment all has collision checking function, is obtained in real time by MEMS acceleration transducer each
The acceleration value of axis, when acceleration value is more than the threshold values of setting, detection vehicle collides.But vehicle is sailed on the way in traveling
When crossing the obstacles such as deceleration strip or ditch, if acceleration value frequently erroneous detection will go out to collide when being more than the threshold values set, to use
It causes to feel uncertain and perplex in family.
Summary of the invention
The present invention prevents vehicle in view of the above problems, propose a kind of system and method for preventing erroneous detection from going out vehicle collision
It normally crosses frequent erroneous detection when the obstacles such as deceleration strip or ditch to go out to collide, reduces the doubt and puzzlement of user.
On the one hand, the present invention provides the systems for preventing erroneous detection from going out vehicle collision, comprising: automobile ECU, vehicle-mounted OBD equipment
The internet and；Wherein, vehicle-mounted OBD equipment, comprising: data acquisition module, MEMS acceleration transducer, control module and data are logical
Believe module；
The automobile ECU has current vehicle speed, chassis number；
Data collecting module collected speed, the chassis number of the vehicle-mounted OBD equipment, and will acquire result and be sent to vehicle
Carry the control module of OBD equipment；The MEMS acceleration transducer of the vehicle-mounted OBD equipment obtains the acceleration of each axis in real time
Value, and will acquire the control module that result is sent to vehicle-mounted OBD equipment；The control module of the vehicle-mounted OBD equipment, for receiving
The data and data communication module that data acquisition module and MEMS acceleration transducer are got carry out data interaction and obtain vehicle
Analysis, which is carried out, with wheelbase data, according to above-mentioned data obtains collision detection result；The data communication module of the vehicle-mounted OBD equipment
It is indexed with the data that control module is sent to internet, and indexed results is sent to control module；
Internet is indexed according to the data that data communication module is sent, and indexed results are returned to data communication mould
Block.
Specifically, the data communication module of vehicle-mounted OBD equipment carries out rope to internet with the data that control module is sent
Draw or internet is indexed according to the data that data communication module is sent, wherein the data are chassis number.
More specifically, the indexed results include the data information of vehicle and wheelbase.
On the other hand, the present invention also provides a kind of methods for preventing erroneous detection from going out vehicle collision, comprising:
After vehicle is mounted with vehicle-mounted OBD equipment, the chassis number obtained from automobile ECU is sent to control by data acquisition module
Module；
Control module sends the data to data communication module, and data communication module is examined on the internet with this data
Rope, and saved to control module by indexed results are return again；
When normal vehicle operation, data acquisition module obtains the speed of vehicle, MEMS acceleration sensing from automobile ECU in real time
Device obtains the acceleration value of each axis in real time, and is sent to control module；
It is more than setting threshold values when MEMS acceleration transducer gets the acceleration value on some axis, starts timing T1, and
And the time T2 that vehicle crosses completely is calculated according to real-time speed and the wheelbase being saved, and then carry out judging whether to occur
Collision.
Further, the above method further include: MEMS acceleration transducer gets adding more than setting again as T1 < T2
When velocity amplitude, 2 collisions occur for control module detection, and release timing.
Further, the above method further include: the acceleration value that MEMS acceleration transducer is got again as T1=T2
When being less than a certain range, control module detection does not collide, and releases timing；MEMS acceleration transducer is got again
Acceleration value when being more than a certain range, 1 collision occurs for control module detection, and releases timing.
Described a certain range refers within or 10 degree of difference identical with the acceleration direction retrieved before.
Further, control module sends the data to data communication module, and data communication module is with this data mutual
It is retrieved in networking, the data are chassis number.
Further, the indexed results include the data information of vehicle and wheelbase.
Effect of the invention: accurately detecting vehicle collision, prevents vehicle from normally crossing the obstacles time-frequency such as deceleration strip or ditch
Numerous erroneous detection goes out to collide, and reduces the doubt and puzzlement of user.
Detailed description of the invention
For the clearer technical solution for illustrating the embodiment of the present invention or the prior art, to embodiment or will show below
There is attached drawing needed in technical description to do one simply to introduce, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention without creative efforts, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the system of the invention for preventing erroneous detection from going out vehicle collision.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present invention clearer, below with reference to the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention carries out clear and complete description:
The present invention provides the systems for preventing erroneous detection from going out vehicle collision, comprising: automobile ECU, vehicle-mounted OBD equipment and interconnection
Net；Wherein, vehicle-mounted OBD equipment, comprising: data acquisition module, MEMS acceleration transducer, control module and data communication mould
Block；
The automobile ECU: electronic control unit, also known as " car running computer " have current vehicle speed, the data such as chassis number；
The data acquisition module: the data such as acquisition speed, chassis number, and will acquire result and be sent to vehicle-mounted control mould
Block；
The MEMS acceleration transducer obtains the acceleration value of each axis in real time, and will acquire result and be sent to control mould
Block；
The control module, the data and number that acquisition module and MEMS acceleration transducer are got for receiving data
According to communication module carry out data interaction obtain the data such as vehicle and wheelbase, according to above-mentioned data carry out analysis obtain collision detection knot
Fruit；
The data communication module of the vehicle-mounted OBD equipment carries out rope to internet with the chassis number that control module is sent
Draw, and by indexed results, such as vehicle, wheelbase is sent to control module；
Internet is indexed according to the chassis number that data communication module is sent, and indexed results are returned to data communication
Module.
On the other hand, the present invention also provides a kind of methods for preventing erroneous detection from going out vehicle collision, comprising:
Step 1: after vehicle is mounted with vehicle-mounted OBD equipment, data acquisition module sends the chassis number obtained from automobile ECU
To control module；
Step 2: chassis number is sent to data communication module by control module, and data communication module is being interconnected with this chassis number
It is retrieved on the net, and saved to control module by the data such as the vehicle retrieved and wheelbase are return again；
Step 3: when normal vehicle operation, data acquisition module obtains the speed of vehicle from automobile ECU in real time, and MEMS accelerates
Degree sensor obtains the acceleration value of each axis in real time, and is sent to control module；
Step 4: being more than setting threshold values when MEMS acceleration transducer gets the acceleration value on some axis, control at this time
Detection does not collide module immediately, but starts timing T1 at once, and according to real-time speed (speed > 0) and be saved
Wheelbase calculate the time T2 that vehicle crosses completely, and then carry out judging whether to collide:
When as T1 < T2, MEMS acceleration transducer gets the acceleration value more than setting again, control module detection
2 collisions occur, and release timing；
The acceleration value and the acceleration side retrieved before that MEMS acceleration transducer is got again as T1=T2
To within identical or 10 degree of difference, control module detection does not collide, and releases timing；MEMS acceleration transducer is again
The acceleration value got is different with the acceleration direction retrieved before or differs by more than 10 degree, control module detection generation
1 collision, and release timing；
When vehicle normally crosses deceleration strip or ditch, even if the acceleration value that MEMS acceleration transducer is got is more than
It, will not erroneous detection collision out when the threshold values of setting.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art within the technical scope of the present disclosure, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. preventing erroneous detection from going out the system of vehicle collision characterized by comprising automobile ECU, vehicle-mounted OBD equipment and internet；Its
In, vehicle-mounted OBD equipment, comprising: data acquisition module, MEMS acceleration transducer, control module and data communication module；
The automobile ECU has current vehicle speed, chassis number；
The data collecting module collected speed, chassis number, and will acquire result and be sent to control module；The MEMS adds
Velocity sensor obtains the acceleration value of each axis in real time, and will acquire result and be sent to control module；The control module is used
In receiving data that data acquisition module and MEMS acceleration transducer get, obtained with data communication module progress data interaction
Vehicle and wheelbase data are obtained, is more than setting threshold values when MEMS acceleration transducer gets the acceleration value on some axis, starts
Timing T1, and the time T2 that vehicle crosses completely is calculated according to real-time speed and the wheelbase being saved, and then sentenced
It is disconnected whether to collide；The data communication module is indexed with the chassis number that control module is sent to internet, and will
Indexed results are sent to control module；
Internet is indexed according to the data that data communication module is sent, and indexed results are returned to data communication module；
The indexed results include the data information of vehicle and wheelbase.
2. a kind of method for preventing erroneous detection from going out vehicle collision characterized by comprising
After vehicle is mounted with vehicle-mounted OBD equipment, the chassis number obtained from automobile ECU is sent to control mould by data acquisition module
Block；
Chassis number is sent to data communication module by control module, and data communication module is examined on the internet with this chassis number
Rope, and saved to control module by indexed results are return again, the indexed results include the data letter of vehicle and wheelbase
Breath
When normal vehicle operation, data acquisition module obtains the speed of vehicle from automobile ECU in real time, and MEMS acceleration transducer is real
When obtain the acceleration value of each axis, and be sent to control module；
It is more than setting threshold values when MEMS acceleration transducer gets the acceleration value on some axis, starts timing T1, and root
Speed and the wheelbase being saved calculate the time T2 that vehicle crosses completely when factually, and then carry out judging whether to touch
It hits.
3. the method according to claim 2 for preventing erroneous detection from going out vehicle collision, which is characterized in that the above method further include:
When as T1 < T2, MEMS acceleration transducer gets the acceleration value more than setting again, control module detection occurs to touch for 2 times
It hits, and releases timing.
4. the method according to claim 2 for preventing erroneous detection from going out vehicle collision, which is characterized in that the above method further include:
When the acceleration value that MEMS acceleration transducer is got again as T1=T2 is less than a certain range, control module is detected not
It collides, and releases timing；When the acceleration value that MEMS acceleration transducer is got again is more than a certain range, mould is controlled
1 collision occurs for block detection, and releases timing.
5. the method according to claim 4 for preventing erroneous detection from going out vehicle collision, which is characterized in that described a certain range is
Refer within or 10 degree of difference identical with the acceleration direction retrieved before.
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 |
Applications Claiming Priority (1)
| 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 CN105774728A (en) | 2016-07-20 |
| CN105774728B true 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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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| KR102286050B1 (en) * | 2017-06-23 | 2021-08-03 | 현대자동차주식회사 | Method for preventing diagnostic errors in vehicle network and apparatus for the same |
| CN108062856B (en) * | 2017-12-18 | 2020-04-17 | 广州亚美信息科技有限公司 | Vehicle collision detection system and method based on vehicle-mounted OBD interface |
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| US6480772B1 (en) * | 2001-07-31 | 2002-11-12 | Mitsubishi Denki Kabushiki Kaisha | Vehicle crash determining apparatus |
| CN202486858U (en) * | 2012-01-13 | 2012-10-10 | 深圳市航天星网通讯有限公司 | Vehicle-mounted system for intelligent diagnosis and analysis of driving behavior |
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| CN103903388A (en) * | 2014-03-21 | 2014-07-02 | 佛山市天地行科技有限公司 | Car collision handling method |
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|---|---|---|---|---|
| DE10134331C1 (en) * | 2001-07-14 | 2002-10-10 | Bosch Gmbh Robert | Controlling triggering of passive safety system involves detecting impact speed from time difference between start of impact, transition of acceleration from low to higher acceleration |
| JP4131403B2 (en) * | 2003-09-05 | 2008-08-13 | 株式会社デンソー | Collision determination device |
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|---|---|---|---|---|
| US6480772B1 (en) * | 2001-07-31 | 2002-11-12 | Mitsubishi Denki Kabushiki Kaisha | Vehicle crash determining apparatus |
| CN202486858U (en) * | 2012-01-13 | 2012-10-10 | 深圳市航天星网通讯有限公司 | Vehicle-mounted system for intelligent diagnosis and analysis of driving behavior |
| CN203276018U (en) * | 2013-04-02 | 2013-11-06 | 深圳市奥创科技有限公司 | Vehicle information acquisition device based on OBD (On-Board Diagnostics)-II |
| CN103903388A (en) * | 2014-03-21 | 2014-07-02 | 佛山市天地行科技有限公司 | Car collision handling method |
| CN104332054A (en) * | 2014-11-12 | 2015-02-04 | 钛牛科技（北京）有限公司 | OBD (On-Board Diagnostics) device based driving accident preventing system of automobile |
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| CN105774728A (en) | 2016-07-20 |
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