CN103164884A - Vehicle safety black box system - Google Patents
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- CN103164884A CN103164884A CN2011104248924A CN201110424892A CN103164884A CN 103164884 A CN103164884 A CN 103164884A CN 2011104248924 A CN2011104248924 A CN 2011104248924A CN 201110424892 A CN201110424892 A CN 201110424892A CN 103164884 A CN103164884 A CN 103164884A
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Abstract
The invention discloses a vehicle safety black box system which is used for recording drive data in a vehicle-mounted device of a vehicle and reproducing an accident site after an accident. The technical scheme of the vehicle safety black box system includes that sensor data, global position system (GPS) data, electronic map data, video data and voice data which are in a vehicle electronic system are collected through an on-site data collection and control module and stored in a vehicle safety black box device, finally a vehicle driving site is reproduced through utilization of a virtual reality technology of an on-site restoration and simulation module, and data support is provided for accident judge, drive level judge, and vehicle performance and safety analysis.
Description
Technical field
The present invention relates to the technology of automotive safety data recording and driving process restore, relate in particular to the equipment of the driving recording take automotive safety black box device as storage medium and the process restore of driving a vehicle.
Background technology
Automobile have an accident or fault after, the travelling data when reason of analysis accident or fault need to occur by accident or fault, but these travelling datas can't obtain often afterwards.
Various sensing datas, gps data, map datum, camera data, voice data etc. are arranged in present automotive system, if but the equipment that produces these data in accident is damaged, data just can't be reduced, the scene when also just can't the reproduction accident occuring.This identifies for accident or fault analysis has brought great trouble.
And, even obtained these data, how reduce as much as possible the scene of the accident based on these data, to draw culprit the most accurately, be also insoluble problem in prior art.
Summary of the invention
The object of the invention is to address the above problem, a kind of automotive safety black box subsystem is provided, record the travelling data in the mobile unit of automobile, and the use of afterwards reappearing the scene of the accident.
Technical scheme of the present invention is: the present invention has disclosed a kind of automotive safety black box subsystem, comprise gyrosensor, velocity pulse sensor, GPS equipment, electronic chart equipment, automotive safety black box device, on-site data gathering control module and on-the-spot reduction emulation module, wherein:
Described on-site data gathering control module is arranged on car navigation terminal, connects respectively described gyrosensor, described velocity pulse sensor, described GPS equipment, described electronic chart equipment, and described module comprises:
The gyro data collecting unit connects described gyrosensor, realizes the data acquisition to described gyrosensor;
The velocity pulse data acquisition unit connects described velocity pulse sensor, realizes the data acquisition to described velocity pulse sensor;
The gps data collecting unit connects described GPS equipment, realizes the data acquisition to described GPS equipment;
The electronic map data collecting unit connects described electronic chart equipment, realizes the data acquisition to electronic map data, wheelpath and road type information;
Video acquisition unit realizes the collection to vehicle mirrors shooting picture;
The collection to vehicle sounds information is realized in the audio collection unit;
Data transmission interface, one end connects respectively described gyro data collecting unit, described velocity pulse data acquisition unit, described gps data collecting unit, described electronic map data collecting unit, described video acquisition unit, described audio collection unit, and the other end connects described automotive safety black box device;
Described gyrosensor, the data of collection motor turning;
Described velocity pulse sensor, the data of collection vehicle road speed;
Described GPS equipment, the collection vehicle positional information;
Described electronic chart equipment gathers electronic map data, wheelpath and road type information;
Described automotive safety black box device is stored the data that described on-site data gathering control module collects;
Described on-the-spot reduction emulation module connects described automotive safety black box device, gathers the data of collection, and the mode take the time as sequence is reduced playing environment continuously.
An embodiment according to automotive safety black box subsystem of the present invention, described on-site data gathering control module also comprises the capture setting unit, connect respectively described gyro data collecting unit, described velocity pulse data acquisition unit, described gps data collecting unit, described electronic map data collecting unit, described video acquisition unit, described audio collection unit, be used for arranging acquisition parameter.
According to an embodiment of automotive safety black box subsystem of the present invention, described on-the-spot reduction emulation module comprises:
The environment simulation unit for the data that described video acquisition unit and described audio collection unit collect, is described surrounding enviroment and the environment inside car of running car position, and environment is carried out emulation.
According to an embodiment of automotive safety black box subsystem of the present invention, described on-the-spot reduction emulation module comprises:
The position of automobile and the information in course for the data that described gps data collecting unit and described electronic map data collecting unit collect, are described in automobile Attitude Simulation unit, and the automobile attitude is carried out emulation.
According to an embodiment of automotive safety black box subsystem of the present invention, described on-the-spot reduction emulation module comprises:
The driving states judging unit, the data that collect for described gps data collecting unit, described gyro data collecting unit, described velocity pulse data acquisition unit, the information of speed, acceleration, angular velocity and the angular acceleration of each position of description automobile on wheelpath is carried out emulation to driving states.
an embodiment according to automotive safety black box subsystem of the present invention, described automotive safety black box device comprises data communication interface, data transmission drive module, core chip, the I/O control chip, the mirror image control chip, the Data Transport Protocol module, at least one storage chip, wherein said data communication interface connects with the vehicle-mounted terminal equipment of being connected, be used for recording the data on described vehicle-mounted terminal equipment, described data transmission drive module connects described data communication interface, described core chip connects described I/O control chip, described core chip connects described Data Transport Protocol module by described I/O control chip, connect respectively described at least one storage chip under described Data Transport Protocol module, described at least one storage chip is used for the data that storage is read from described vehicle-mounted terminal equipment, described core chip also connects described mirror image control chip, described mirror image control chip is controlled described storage chip and is realized the data storage by the mirrored storage mode, described core chip is for the control and the scheduling that realize between interior each chip of described automotive safety black box device or module.
According to an embodiment of automotive safety black box subsystem of the present invention, the communication mode of described data communication interface is usb communication, and the type of drive of described data transmission drive module is that the usb data transmission drives.
An embodiment according to automotive safety black box subsystem of the present invention, described automotive safety black box device also comprises buffer zone access control module and data buffer, described core chip connects described buffer zone access control module, described buffer zone access control module connects described data buffer, and the data of the described vehicle-mounted terminal equipment that gets from described data communication interface are pre-stored described data buffer before storing described at least one storage chip into.
According to an embodiment of automotive safety black box subsystem of the present invention, described storage chip is flash chip.
According to an embodiment of automotive safety black box subsystem of the present invention, described multi-bank flash-memory chip is the working method of independence and redundancy.
An embodiment according to automotive safety black box subsystem of the present invention, described automotive safety black box device also comprises the safety encipher control module, described core chip connects described safety encipher control module, the data of transmission is carried out encryption and decryption, to prevent unwarranted reading and writing data.
According to an embodiment of automotive safety black box subsystem of the present invention, described automotive safety black box device also comprises the shell of reinforcing shockproof anticollision.
An embodiment according to automotive safety black box subsystem of the present invention, described core chip could be accessed by driving control authority authenticated and be read described black box device, described on-the-spot reduction emulation module also comprises and the access authority authentication unit is used for the authentication to the access rights of described automotive safety black box device.
According to an embodiment of automotive safety black box subsystem of the present invention, described Data Transport Protocol module is the DLC Data Transport Protocol.
According to an embodiment of automotive safety black box subsystem of the present invention, described automotive safety black box device is the function that possesses waterproof, fire prevention, anticollision.
The present invention contrasts prior art following beneficial effect: the present invention gathers and deposits among the automobile black box device the sensing data in automobile electronic system, gps data, electronic map data, camera data, voice data by the on-site data gathering control module, utilize at last the virtual reality technology of on-the-spot reduction emulation module to reappear car steering on-the-spot, for accident judgement, driving ability are judged, automotive performance and safety analysis provide Data support.
Description of drawings
Fig. 1 shows the schematic diagram of the embodiment of automotive safety black box subsystem of the present invention.
Fig. 2 shows the schematic diagram of the on-site data gathering control module in Fig. 1 embodiment.
Fig. 3 shows the schematic diagram of the scene reduction emulation module in Fig. 1 embodiment.
Fig. 4 shows the schematic diagram of the first embodiment of the automotive safety black box device in Fig. 1 embodiment.
Fig. 5 shows the schematic diagram of the second embodiment of the automotive safety black box device in Fig. 1 embodiment.
Fig. 6 shows the schematic diagram of the 3rd embodiment of the automotive safety black box device in Fig. 1 embodiment.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 shows the principle of the embodiment of automotive safety black box subsystem of the present invention.Automotive safety black box subsystem in the present embodiment has comprised: gyrosensor 1, velocity pulse sensor 2, GPS equipment 3, electronic chart equipment 4, automotive safety black box device 6, on-site data gathering control module 5 and on-the-spot reduction emulation module 7.
Gyrosensor 1 is responsible for gathering the data of motor turning, describes the angle information that automobile rotates.Velocity pulse sensor 2 is responsible for the data of collection vehicle road speed.Above-mentioned both in conjunction with can know automobile towards what direction, how far walked and present direction and speed etc.GPS equipment 3 is responsible for the collection vehicle positional information.Electronic chart equipment 4 is responsible for gathering electronic map data, wheelpath and road type information.
On-site data gathering control module 5 is arranged on car navigation terminal, connect respectively gyrosensor 1, velocity pulse sensor 2, GPS equipment 3, electronic chart equipment 4, therefrom gather relevant data, and be stored in automotive safety black box device 6, carry out analogue simulation for on-the-spot reduction emulation module 7 at last.
The refinement principle of on-site data gathering control module 5 as shown in Figure 2, comprise gyro data collecting unit 50, velocity pulse data acquisition unit 51, gps data collecting unit 52, electronic map data collecting unit 53, video acquisition unit 54, audio collection unit 55, data transmission interface 56, the better capture setting unit 57 that also comprises.
Be described below in conjunction with Fig. 1, Fig. 2: gyro data collecting unit 50 connects gyrosensor 1, realizes the data acquisition to gyrosensor 1.Velocity pulse data acquisition unit 51 connection speed pulse transducers 2 are realized the data acquisition to velocity pulse sensor 2.Gps data collecting unit 52 connects described GPS equipment 3, realizes the data acquisition to GPS equipment 3.Electronic map data collecting unit 53 connecting electronic map equipment 4 are realized the data acquisition to electronic map data, wheelpath and road type information.Video acquisition unit 54 is with the collection of camera realization to vehicle mirrors shooting picture.The collection that audio collection unit 55 is realized vehicle sounds information.One end of data transmission interface 56 connects respectively gyro data collecting unit 50, velocity pulse data acquisition unit 51, gps data collecting unit 52, electronic map data collecting unit 53, video acquisition unit 54, audio collection unit 55, and the other end connects automotive safety black box device 6.Wherein capture setting unit 57 connects respectively gyro data collecting unit 50, velocity pulse data acquisition unit 51, gps data collecting unit 52, electronic map data collecting unit 53, video acquisition unit 54, audio collection unit 55, be used for arranging acquisition parameter, such as the parameters such as frequency of the data that gather gyrosensor 1, velocity pulse sensor 2, GPS equipment 3 and electronic chart equipment 4 etc.
Automotive safety black box device 6 has been stored the data that on-site data gathering control module 5 collects.
On-the-spot reduction emulation module 7 gathers the data of collection, and the mode take the time as sequence is reduced playing environment continuously.As shown in Figure 3, on-the-spot reduction emulation module 7 can comprise arbitrary combination of following unit: environment simulation unit 71, automobile Attitude Simulation unit 72, driving states judging unit 73.
Be described below in conjunction with Fig. 2, Fig. 3: environment simulation unit 71 is described surrounding enviroment and the environment inside car of running car position for the data that video acquisition unit 54 and audio collection unit 55 collect, and environment is carried out emulation.
The data that automobile Attitude Simulation unit 72 collects for gps data collecting unit 52 and electronic map data collecting unit 53 are described the position of automobile and the information in course, and the automobile attitude is carried out emulation.
The data that driving states judging unit 73 collects for gps data collecting unit 52, gyro data collecting unit 50, velocity pulse data acquisition unit 51, the information of speed, acceleration, angular velocity and the angular acceleration of each position of description automobile on wheelpath is carried out emulation to driving states.
Better, reduce at the scene and also comprise access authority authentication unit 74 in emulation module 7, be used for the authentication to the access rights of automotive safety black box device 6.
Automotive safety black box device 6 has three kinds of implementations as Fig. 4, Fig. 5, Fig. 6.
Below be described with regard to these three kinds of implementations respectively.
The first implementation of automotive safety black box device 6:
See also Fig. 4, the automotive safety black box device of the present embodiment comprises data communication interface 10, data transmission drive module 11, core chip 12, I/O control chip 13, mirror image control chip 14, Data Transport Protocol module 15, at least one storage chip 16 (figure 4 illustrates two storage chips).
Data transmission drive module 11 connection data communication interfaces 10, its type of drive are that the usb data transmission drives.
At least one storage chip 16 is used for the data that storage is read from vehicle-mounted terminal equipment.Storage chip 16 can be flash chip, is for example the flash memory of two consistent 32G of capacity model.Each flash chip 16 is working methods of independence and redundancy, to guarantee data security.Peripherals damages and only only has in the intact situation of a slice flash memory like this, and data also can be recovered.
Automotive safety black box device also comprises the shell of reinforcing shockproof anticollision.Automotive safety black box device is the three anti-functions that possess waterproof, fire prevention, anticollision.
The second implementation of automotive safety black box device 6:
See also Fig. 5, the automotive safety black box device of the present embodiment comprises data communication interface 20, data transmission drive module 21, core chip 22, I/O control chip 23, mirror image control chip 24, Data Transport Protocol module 25, at least one storage chip 26 (figure 5 illustrates two storage chips), buffer zone access control module 28 and data buffer 29.
Data transmission drive module 21 connection data communication interfaces 20, its type of drive are that the usb data transmission drives.
At least one storage chip 26 is used for storage and reads and through the data buffer 29 and the data come from vehicle-mounted terminal equipment.Storage chip 26 is flash chips, is for example the flash memory of two consistent 32G of capacity model.Each flash chip 26 is working methods of independence and redundancy, to guarantee data security.Peripherals damages and only only has in the intact situation of a slice flash memory like this, and data also can be recovered.
Automotive safety black box device also comprises the shell of reinforcing shockproof anticollision.Automotive safety black box device is the three anti-functions that possess waterproof, fire prevention, anticollision.
The third implementation of automotive safety black box device 6:
See also Fig. 6, the automotive safety black box device of the present embodiment comprises data communication interface 30, data transmission drive module 31, core chip 32, I/O control chip 33, mirror image control chip 34, Data Transport Protocol module 35, at least one storage chip 36 (figure 6 illustrates two storage chips), buffer zone access control module 38, data buffer 39 and safety encipher control module 40.
Data communication interface 30 connects with the vehicle-mounted terminal equipment of being connected, and is used for recording the data on vehicle-mounted terminal equipment.The communication mode of data communication interface 30 is for example usb communication.
Data transmission drive module 31 connection data communication interfaces 30, its type of drive are that the usb data transmission drives.
Core chip 32 connects buffer zone access control module 38, buffer zone access control module 38 connection data buffer zones 39, the data of the vehicle-mounted terminal equipment that gets from data communication interface 30, pre-stored in data buffer 39 before storing at least one storage chip 36 into.In the present embodiment, data buffer 39 is for example the high-speed cache cache of 1M.The purpose that high-speed cache is set is for reading and writing data at a high speed, guarantees that data read real-time.
Core chip 32 is by I/O control chip 33 connection data host-host protocol modules 35, and the Data Transport Protocol module connects respectively at least one storage chip 36 for 35 times.Data Transport Protocol module 35 is DLC Data Transport Protocols.
At least one storage chip 36 is used for storage and reads and through the data buffer 39 and the data come from vehicle-mounted terminal equipment.Storage chip 36 can be flash chip, is for example the flash memory of two consistent 32G of capacity model.Each flash chip 36 is working methods of independence and redundancy, to guarantee data security.Peripherals damages and only only has in the intact situation of a slice flash memory like this, and data also can be recovered.
Core chip 32 also connects mirror image control chip 34, and mirror image control chip 34 is controlled flash chip 36 and realized the data storage by the mirrored storage mode.Core chip 32 is for the control and the scheduling that realize between interior each chip of automotive safety black box device or module.
Core chip 32 connects safety encipher control module 40, the data of transmission is carried out encryption and decryption, to prevent unwarranted reading and writing data.Core chip 32 could be accessed by driving control authority authenticated and be read the black box device.
Automotive safety black box device also comprises the shell of reinforcing, shockproof, anticollision.Automotive safety black box device is the three anti-functions that possess waterproof, fire prevention, anticollision.
The workflow of system of the present invention is:
Be installed on the running environment of the current automobile of on-site data gathering control module Real-time Collection on car navigation terminal, mainly comprise: gyro data, velocity pulse data, GPS positional information, electronic chart terrain information, acoustic information, rearview mirror border shooting picture (can see the scene that car is inside and outside) etc.On-site data gathering control module storage data are in plug-in automotive safety black box device, and automotive safety black box device connects in car navigation terminal in usb data line mode.
On-the-spot reduction emulation module is by the data in computer to access automotive safety black box device, and the mode take the time as sequence is reduced the broadcast site environment continuously, and makes prompting with regard to the driving situation, the simple judgement of culprit etc.
Above-described embodiment is to provide to those of ordinary skills and realizes and use of the present invention, those of ordinary skills can be in the situation that do not break away from invention thought of the present invention, above-described embodiment is made various modifications or variation, thereby invention scope of the present invention do not limit by above-described embodiment, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (15)
1. an automotive safety black box subsystem, comprise gyrosensor, velocity pulse sensor, GPS equipment, electronic chart equipment, automotive safety black box device, on-site data gathering control module and on-the-spot reduction emulation module, wherein:
Described on-site data gathering control module is arranged on car navigation terminal, connects respectively described gyrosensor, described velocity pulse sensor, described GPS equipment, described electronic chart equipment, and described module comprises:
The gyro data collecting unit connects described gyrosensor, realizes the data acquisition to described gyrosensor;
The velocity pulse data acquisition unit connects described velocity pulse sensor, realizes the data acquisition to described velocity pulse sensor;
The gps data collecting unit connects described GPS equipment, realizes the data acquisition to described GPS equipment;
The electronic map data collecting unit connects described electronic chart equipment, realizes the data acquisition to electronic map data, wheelpath and road type information;
Video acquisition unit realizes the collection to vehicle mirrors shooting picture;
The collection to vehicle sounds information is realized in the audio collection unit;
Data transmission interface, one end connects respectively described gyro data collecting unit, described velocity pulse data acquisition unit, described gps data collecting unit, described electronic map data collecting unit, described video acquisition unit, described audio collection unit, and the other end connects described automotive safety black box device;
Described gyrosensor, the data of collection motor turning;
Described velocity pulse sensor, the data of collection vehicle road speed;
Described GPS equipment, the collection vehicle positional information;
Described electronic chart equipment gathers electronic map data, wheelpath and road type information;
Described automotive safety black box device is stored the data that described on-site data gathering control module collects;
Described on-the-spot reduction emulation module connects described automotive safety black box device, gathers the data of collection, and the mode take the time as sequence is reduced playing environment continuously.
2. automotive safety black box subsystem according to claim 1, it is characterized in that, described on-site data gathering control module also comprises the capture setting unit, connect respectively described gyro data collecting unit, described velocity pulse data acquisition unit, described gps data collecting unit, described electronic map data collecting unit, described video acquisition unit, described audio collection unit, be used for arranging acquisition parameter.
3. automotive safety black box subsystem according to claim 1, is characterized in that, described on-the-spot reduction emulation module comprises:
The environment simulation unit for the data that described video acquisition unit and described audio collection unit collect, is described surrounding enviroment and the environment inside car of running car position, and environment is carried out emulation.
4. automotive safety black box subsystem according to claim 1, is characterized in that, described on-the-spot reduction emulation module comprises:
The position of automobile and the information in course for the data that described gps data collecting unit and described electronic map data collecting unit collect, are described in automobile Attitude Simulation unit, and the automobile attitude is carried out emulation.
5. automotive safety black box subsystem according to claim 1, is characterized in that, described on-the-spot reduction emulation module comprises:
The driving states judging unit, the data that collect for described gps data collecting unit, described gyro data collecting unit, described velocity pulse data acquisition unit, the information of speed, acceleration, angular velocity and the angular acceleration of each position of description automobile on wheelpath is carried out emulation to driving states.
6. automotive safety black box subsystem according to claim 1, it is characterized in that, described automotive safety black box device comprises data communication interface, data transmission drive module, core chip, the I/O control chip, the mirror image control chip, the Data Transport Protocol module, at least one storage chip, wherein said data communication interface connects with the vehicle-mounted terminal equipment of being connected, be used for recording the data on described vehicle-mounted terminal equipment, described data transmission drive module connects described data communication interface, described core chip connects described I/O control chip, described core chip connects described Data Transport Protocol module by described I/O control chip, connect respectively described at least one storage chip under described Data Transport Protocol module, described at least one storage chip is used for the data that storage is read from described vehicle-mounted terminal equipment, described core chip also connects described mirror image control chip, described mirror image control chip is controlled described storage chip and is realized the data storage by the mirrored storage mode, described core chip is for the control and the scheduling that realize between interior each chip of described automotive safety black box device or module.
7. automotive safety black box subsystem according to claim 6, is characterized in that, the communication mode of described data communication interface is usb communication, and the type of drive of described data transmission drive module is that the usb data transmission drives.
8. automotive safety black box subsystem according to claim 6, it is characterized in that, described automotive safety black box device also comprises buffer zone access control module and data buffer, described core chip connects described buffer zone access control module, described buffer zone access control module connects described data buffer, and the data of the described vehicle-mounted terminal equipment that gets from described data communication interface are pre-stored described data buffer before storing described at least one storage chip into.
9. automotive safety black box subsystem according to claim 6, is characterized in that, described storage chip is flash chip.
10. automotive safety black box subsystem according to claim 9, is characterized in that, described multi-bank flash-memory chip is the working method of independence and redundancy.
11. the described automotive safety black box subsystem of any one according to claim 1～9, it is characterized in that, described automotive safety black box device also comprises the safety encipher control module, described core chip connects described safety encipher control module, data to transmission are carried out encryption and decryption, to prevent unwarranted reading and writing data.
12. according to claim 1～9, the described automotive safety black box subsystem of any one, is characterized in that, described automotive safety black box device also comprises the shell of reinforcing, shockproof, anticollision.
13. the described automotive safety black box subsystem of any one according to claim 1～9, it is characterized in that, described core chip could be accessed by driving control authority authenticated and be read described black box device, described on-the-spot reduction emulation module also comprises and the access authority authentication unit is used for the authentication to the access rights of described automotive safety black box device.
14. according to claim 1～9, the described automotive safety black box subsystem of any one, is characterized in that, described Data Transport Protocol module is the DLC Data Transport Protocol.
15. according to claim 1～9, the described automotive safety black box subsystem of any one, is characterized in that, described automotive safety black box device is the function that possesses waterproof, fire prevention, anticollision.
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| CN109905194A (en) * | 2019-02-21 | 2019-06-18 | 初速度（苏州）科技有限公司 | A kind of vehicle-mounted terminal system and synchronization data obtaining method, device |
| CN111177887A (en) * | 2019-12-09 | 2020-05-19 | 武汉光庭信息技术股份有限公司 | Method and device for constructing simulation track data based on real driving scene |
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