CN2678978Y - Intelligence recorder for traffic accident - Google Patents
Intelligence recorder for traffic accident Download PDFInfo
- Publication number
- CN2678978Y CN2678978Y CN 200420019641 CN200420019641U CN2678978Y CN 2678978 Y CN2678978 Y CN 2678978Y CN 200420019641 CN200420019641 CN 200420019641 CN 200420019641 U CN200420019641 U CN 200420019641U CN 2678978 Y CN2678978 Y CN 2678978Y
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- signal
- interface
- intelligent transportation
- bus
- event recorder
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- Time Recorders, Dirve Recorders, Access Control (AREA)
- Traffic Control Systems (AREA)
Abstract
The utility model relates to an intelligent recorder for traffic accident, comprising a CCD pick-up head or a CMOS pick-up head, and comprising that a man-machine interface terminal contains a USB interface, a display and a key; a computer main board contains an I/O interface connected with the video output port of the pick-up lens, the input port of the display, the key, and a brake switch, a horn switch and a far/near light shifting lever switch of the vehicle, and connected to a CAN bus; a dynamic random access memory (DRAM) stores the signal of the video output port input into the I/O interface, the brake switch signal of the vehicle, the signal of the horn switch, the signal of the far/near light shifting lever switch and the signal data of the CAN bus in the circulation and refreshing way; the data port of a flash memory is connected with the data port of the DRAM; the CPU is connected with the I/O interface and makes the combinational logic calculation with the signal output by the I/O interface, moreover, the storage data in the setting region in the dynamic random access memory is output to the flashing memory when the result of the combinational logic calculation is in the activated state.
Description
Technical field
The utility model relates to the traveling state of vehicle recording device, particularly a kind of intelligent transportation recording instrument, its actual image and driving condition before and after record accident or dangerous situation take place automatically.
Background technology
Along with the rapid development of China's economic, the positive straight line of the automobile pollution of China rises, and has entered the row of the big country of world car production and consumption.On the other hand, the traffic accident of rising day by day causes tremendous loss again to people's life and property.As the mouthpiece of human modern civilization, automobile has characteristics such as independence, freedom, altitude maneuver.And China is vast in territory, and the people's culture and education degree gap is big again, and therefore relevant with automobile traffic accident is very strange often, confusing, brings great difficulty for the analysis and the processing of traffic accident.
Recently, State Council has passed through the amendment to traffic law, and regulation wherein is when power actuated vehicle and pedestrian or non-power-driven vehicle bump, self-propelled vehicle one side should bear main being responsible for (but self-propelled vehicle can prove that oneself is innocent, can reduce or remit part or all of responsibility).Practice shows that effective and sufficient proof often becomes the own innocent key of self-propelled vehicle one side proof.
In addition, lane change violating the regulations, lane change by force, road occupying violating the regulations have damaged the traffic potential of modern road greatly, and bring out and caused many traffic accidents and dangerous situation.In accident and violating the regulations the processing, the vehicle ' record is to control artificial precondition deliberately violating the regulations in accordance with the law accurately.
Traditional bicycle recording apparatus is commonly called as " black box " or " green case ", because the data volume of image is very big, this class device generally can't recording image information.Even can record, but to preserve or from the great amount of images data, find the time segment record also unusual difficulty that has an accident effectively.
Summary of the invention
The purpose of this utility model provides a kind of intelligent recording traffic recording instrument, its actual image and driving condition before and after record accident or dangerous situation take place automatically, thus provide truly for analyzing traffic accident, objective foundation.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of intelligent transportation event recorder comprises:
Inductive coupling device (CCD) or complementary metal oxide semiconductor (CMOS) camera;
The man machine interface terminal, it comprises USB interface, telltale and button;
Computer motherboard, it comprises:
The I/O interface, it links to each other with the video-out port of CCD or CMOS pick-up lens, telltale input port, button, vehicle braked switch, horn switch and far away/low beam diaphragm setting lever switch, and its also be connected to and the CAN bus so that the miscellaneous equipment formation local area network on described computer motherboard and the CAN bus;
Dynamic RAM, it refreshes mode with circulation and stores the video-out port signal of input I/O interface, vehicle braked on-off signal, horn switch signal, far away/low beam diaphragm setting lever on-off signal and CAN bus signals data;
Flash memory, its FPDP links to each other with the FPDP of dynamic RAM;
Central processing unit (CPU), it links to each other with the I/O interface and vehicle braked on-off signal, horn switch signal, far away/low beam diaphragm setting lever on-off signal and the CAN bus signals of I/O interface input is carried out the combinatory logic computing, and when the combinatory logic operation result is state of activation with dynamic RAM in the storage data of setting regions export flash memory to.
Reasonable is that in above-mentioned intelligent transportation event recorder, described telltale is light-emitting diode (LED) or liquid crystal (LCD) seven-segment display spare.
Reasonable is that in above-mentioned intelligent transportation event recorder, described CCD or CMOS camera are installed in the in-vehicle reflection mirror back side.
Reasonablely be, in above-mentioned intelligent transportation event recorder, described computer motherboard is installed in the whole cast aluminium alloy box-shaped shell, and the installation site of described box-shaped shell is under the floor compartment, in the glove box, the right leg guard interior trim of copilot, baggage container one of them.
Reasonable is that in above-mentioned intelligent transportation event recorder, the profile of described man machine interface terminal is upright board shape, and is installed in the right front of copilot's platform in the compartment.
Reasonable is that in above-mentioned intelligent transportation event recorder, the miscellaneous equipment on the described CAN bus comprises safety air bag and antiblock device.
In intelligent transportation event recorder of the present utility model, the roll type forward direction is reviewed data and is preserved in dynamic RAM (DRAM) usually and refresh, only when chaufeur sends kickback (or specific signal), CPU just changes the valid data among the DRAM over to and makes long preservation in the flash memory (Flash Memory) and freeze, therefore have only real-time image and other data that accident (or dangerous situation) takes place in the certain hour of front and back to be automatically recorded, and also reduced the frequency that writes of flash memory, prolonged its service life.In addition, owing to adopt flash memory, so data also can be protected after outage for a long time.At last, because the man machine interface terminal provides USB interface, therefore can read the data of flash memory, but can not edit these data by this interface.Have only technical service station, can adjust the real-time clock of this instrument through Special Empower.
Description of drawings
By below in conjunction with the description of accompanying drawing to preferred embodiment of the present invention, can further understand purpose of the present invention, feature and advantage, wherein:
Fig. 1 is the scheme drawing of the utility model intelligent transportation event recorder.
Fig. 2 shows the record freezing condition.
The specific embodiment
Below by accompanying drawing the specific embodiment of the present utility model is described.
As shown in Figure 1, the intelligent transportation event recorder comprises inductive coupling device (CCD) or complementary metal oxide semiconductor (CMOS) camera 1, computer motherboard 2, USB interface 3, two seven-segment displaies 4 of light-emitting diode or LCD, buzzer phone 5, the button 6 of a pair of above-below direction, CAN bus interface 7, brake switch 8, horn switch 9, backup horn switch 10 (option), far/low beam diaphragm setting lever switch 11, also be connected with miscellaneous equipments such as safety air bag and antiblock device on the CAN bus, its data-signal comprises the speed of a motor vehicle, throttle position, ABS state and safety air bag state etc.
CCD or CMOS camera are generally small-sized black and white gray scale wide-angle type, and also available colored camera lens generally can be installed in the in-vehicle reflection mirror back side or other car or the car external position.
The button 6 of USB interface 3, light-emitting diode or two seven-segment displaies 4 of LCD and a pair of above-below direction constitutes the man machine interface terminal, its material is metal or Plastic Parts, profile is upright board shape, generally can be installed in the compartment right front or other position on copilot's platform.
Computer motherboard is installed in the whole cast aluminium alloy box-shaped shell, has the advantage of fire prevention, waterproof, shock resistance, anti-vibration.Whole main frame can be installed in any part of automobile by car load factory or end user's requirement.But consider the constructional feature, ergonomics characteristics of various vehicles and convenience and the safety that working service is installed, with its be installed under the floor compartment, the position is more suitable in the glove box, the right leg guard interior trim of copilot, baggage container etc.
Computer motherboard can be to simplify version or micro-miniature mainboard, also can be based on the mainboard of data handler, it comprises I/O interface, dynamic RAM (DRAM) and central processing unit, in addition, has also increased by one group of special flash memory (Flash Memory) on mainboard.The I/O interface links to each other with video-out port, the input end of telltale 4, button 6, vehicle braked switch 8, horn switch 9 and 10, the far away/low beam diaphragm setting lever switch 11 of CCD or CMOS pick-up lens 1 on the one hand, also link to each other on the other hand, make that therefore the miscellaneous equipment on mainboard and the CAN bus constitutes local area network with CAN bus 7; DRAM refreshes mode with circulation and stores the video-out port signal of input I/O interface, vehicle braked on-off signal, horn switch signal, far away/low beam diaphragm setting lever on-off signal and CAN bus signals data; The FPDP of flash memory links to each other with the FPDP of DRAM; Central processing unit (CPU) links to each other with the I/O interface and vehicle braked on-off signal, horn switch signal, far away/low beam diaphragm setting lever on-off signal and the CAN bus signals of I/O interface input is carried out the combinatory logic computing, and when the combinatory logic operation result is significant condition with dynamic RAM in the storage data of setting regions export flash memory to.
Fig. 2 shows the record freezing condition, that is, the storage data that activate setting regions in the dynamic RAM export the condition of flash memory operation to.In Fig. 2, S is the brake switch incoming signal, M1 is the horn switch incoming signal, M2 is backup horn switch incoming signal, L is far away/low beam diaphragm setting lever switch input signal, A is that B_Dump is a recording operation state of activation sign from the energizing signal of CAN bus (as safety air bag ignition lock state and antiblock device on off state etc.), is used for activation record and freezes operation.According to logical relation shown in Figure 2, when following arbitrary condition occurring, the B_Dump signal is set (B_Dump=1) and is latched, up to the transfer of data with till freezing operating operation and finishing:
1) signal S, M1, M2, any two whiles (perhaps some signal also can be made certain delay process) among the L are in significant condition; Perhaps
2) a-signal is in significant condition.
The management of working process and the record and the internal memory of intelligent transportation event recorder is below described.
When energized and after the self check normally, the intelligent transportation event recorder carries out continual dynamically recording operation immediately, the mode that video-out port signal, vehicle braked on-off signal, horn switch signal, far away/low beam diaphragm setting lever on-off signal and CAN bus signals data are refreshed with circulation is recorded in the DRAM district and the mark time of mainboard, recording process adopts sufficiently high time resolution (as 24 frame/seconds) and abundant pixel (as greater than 300,000 pixel/frame, every pixel is described with 8Bit or above gray scale or color).
When recording operation state of activation sign B_Dump is set (B_Dump=1), promptly begin data transfer, compress and freeze work.Freeze to operate the data that can write down altogether 30～10 seconds at every turn.With the summary journal time span 10 seconds was example, the time before and after effectively operation triggers in the record distribute can for: 7 seconds+3 seconds; I.e. operation triggers record in preceding 7 seconds and operation and triggers among record in back 3 seconds automatically transferred to flash memory from DRAM).In this process, sign B_Dump is latched always, till operation is finished.
By conventional at present graphic recording and compress mode, the motion video in 10 seconds only needs the following storage space of 2MByte.Therefore, when adopting the 128MB flash memory, but the record of general about 50 accidents of long preservation (or dangerous situation).
Significant data in the flash memory can be protected by the following button operation that will be further described, and then will preserve under the condition that total memory headroom allows by the principle of " first in first out " without the record of protection.After the flash memory space is saturated, also will circulate and refresh (through the data exception of protection) by the principle of " first in first out ".
By the USB interface among Fig. 13; by general-duty Personal Computer and windowing software (Windows) operation interface; the user can PC operation routinely read the data of preserving in the intelligent transportation event recorder flash memory, equally also can remove related data (through the data exception of protection).But for keeping the objective reality of data, the intelligent transportation event recorder is provided with by relevant, forbids editing the data of preserving in the flash memory.
The using method of man machine interface terminal is below described.
When intelligent transportation accident instrument start, when closing and moving, two 7 sections LED or LCD display 4 start with ignition key or close, and show self-detection result and running state.
By the software setting, the user can come the data in the flash memory are protected operation by pressing button 6 in the following manner.
Individual palpation " on " or D score direction button: select to need protection the N time accident record.
Press simultaneously " on " and D score direction button: protect this accident record for a long time.Correspondingly, this recording mechanism certain hour of LED or LCD low frequency flicker (as 1 time/second) (as 5 seconds) responds.
With duration by (＞10 seconds) " on " and D score direction button: the long-term protection that cancellation is write down certain bar.Correspondingly, this recording mechanism certain hour of LED or LCD high frequency flicker (as 3 times/second) (as 3 seconds) responds.
After the storage data of setting regions in the dynamic RAM successfully keep in flash memory,, represent the data transfer of this record and freeze success then by buzzer phone 5 (or vehicle audio) prompting chaufeur.Simultaneously, after LED or LCD seven-segment display 4 upgraded current record number, this recording mechanism certain hour of low frequency flicker (as 1 time/second) (as 5 seconds) responded.
Claims (6)
1, a kind of intelligent transportation event recorder is characterized in that, comprises:
Inductive coupling device (CCD) or complementary metal oxide semiconductor (CMOS) camera;
The man machine interface terminal, it comprises USB interface, telltale and button;
Computer motherboard, it comprises:
The I/O interface, the video-out port of itself and CCD or CMOS pick-up lens, telltale input
Port, button, vehicle braked switch, horn switch and far away/low beam diaphragm setting lever switch link to each other, and its
Also be connected to and the CAN bus so that the miscellaneous equipment formation office on described computer motherboard and the CAN bus
The territory net;
Dynamic RAM, it refreshes the video output terminals message that mode is stored input I/O interface with circulation
Number, vehicle braked on-off signal, horn switch signal, far away/low beam diaphragm setting lever on-off signal and CAN be total
The line signal data;
Flash memory, its FPDP links to each other with the FPDP of dynamic RAM;
Central processing unit (CPU), it links to each other with the I/O interface and to the vehicle braked of I/O interface input
On-off signal, horn switch signal, far away/low beam diaphragm setting lever on-off signal and CAN bus signals make up
Logic operation, and when the combinatory logic operation result is state of activation, set in dynamic RAM
The storage data in zone export flash memory to.
2, intelligent transportation event recorder as claimed in claim 1 is characterized in that, described telltale is light-emitting diode (LED) or liquid crystal (LCD) seven-segment display spare.
3, intelligent transportation event recorder as claimed in claim 1 or 2 is characterized in that, described CCD or CMOS camera are installed in the in-vehicle reflection mirror back side.
4, intelligent transportation event recorder as claimed in claim 3, it is characterized in that, described computer motherboard is installed in the whole cast aluminium alloy box-shaped shell, and the installation site of described box-shaped shell is under the floor compartment, in the glove box, the right leg guard interior trim of copilot, baggage container one of them.
5, intelligent transportation event recorder as claimed in claim 4 is characterized in that, the profile of described man machine interface terminal is upright board shape, and is installed in the right front of copilot's platform in the compartment.
6, intelligent transportation event recorder as claimed in claim 3 is characterized in that, the miscellaneous equipment on the described CAN bus comprises safety air bag and antiblock device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420019641 CN2678978Y (en) | 2004-01-18 | 2004-01-18 | Intelligence recorder for traffic accident |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420019641 CN2678978Y (en) | 2004-01-18 | 2004-01-18 | Intelligence recorder for traffic accident |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2678978Y true CN2678978Y (en) | 2005-02-16 |
Family
ID=34583179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420019641 Expired - Fee Related CN2678978Y (en) | 2004-01-18 | 2004-01-18 | Intelligence recorder for traffic accident |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2678978Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192313B (en) * | 2006-11-23 | 2012-02-15 | 王剑浩 | Traffic accident recorder and recording method |
| CN108961462A (en) * | 2018-07-24 | 2018-12-07 | 重庆长安汽车股份有限公司 | Data recording equipment, system and the vehicle of duty are sentenced for automatic Pilot people's vehicle accident |
-
2004
- 2004-01-18 CN CN 200420019641 patent/CN2678978Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192313B (en) * | 2006-11-23 | 2012-02-15 | 王剑浩 | Traffic accident recorder and recording method |
| CN108961462A (en) * | 2018-07-24 | 2018-12-07 | 重庆长安汽车股份有限公司 | Data recording equipment, system and the vehicle of duty are sentenced for automatic Pilot people's vehicle accident |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |