CN102244967A - Flash lamp signal shunting triggering device and method in field of intelligent traffic - Google Patents
Flash lamp signal shunting triggering device and method in field of intelligent traffic Download PDFInfo
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- CN102244967A CN102244967A CN2011101245394A CN201110124539A CN102244967A CN 102244967 A CN102244967 A CN 102244967A CN 2011101245394 A CN2011101245394 A CN 2011101245394A CN 201110124539 A CN201110124539 A CN 201110124539A CN 102244967 A CN102244967 A CN 102244967A
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- photoflash lamp
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Abstract
The invention discloses a flash lamp signal shunting triggering device and a flash lamp signal shunting triggering method in the field of intelligent traffic. The device comprises a flash lamp signal acquisition module, a flash lamp signal odd-even judgment module, a signal separation module and a signal sending module. After two continuous flash lamp triggering signals are subjected to equalization and odd-even judgment, data is separated into two paths and a dry-contact triggering way which is commonly used by flash lamps is switched to drive two flash lamps to flash respectively, so that the aim of performing continuous snapshot of two pictures for normal light compensation under the condition of low brightness by image forensic equipment is fulfilled; and furthermore, the device and the method have the advantages of signal enhancement, lossless conversion, simple hardware, low cost and convenience in function change.
Description
Technical field
The present invention relates to intelligent transportation field, relate in particular to the scheme that a kind of intelligent transportation field blinker signal triggers along separate routes, be about to continuous two photoflash lamp triggering signals and be converted to the method that drives the two-way photoflash lamp, the synchronous light filling that two flash application are taken pictures in twice triggering of single image evidence obtaining equipment.
Background technology
At present, along with intelligent transportation field is further rigorous to the traffic offence evidence obtaining, for the traffic safety illegal activities that take place in the motor-driven vehicle going process, image evidence obtaining equipment is answered the complete procedure picture of logging machine motor-car generation traffic safety illegal activities, collection is no less than the vehicle panoramic feature picture of 2 width of cloth different times or diverse location, and traditional illegal evidence obtaining of only capturing 1 pictures has not met new demand.When ambient brightness was relatively low, the image evidence obtaining needed light filling equipment to assist to carry out the picture collection, and at present on the market various photoflash lamps all can't be in the extremely short time group flashing light 2 times or flash luminance is obviously not enough for the second time.Thereby cause the second pictures black-film or dark partially.
Summary of the invention
At existing photoflash lamp all can't be in the extremely short time twice of group flashing light or the obviously not enough technical problem of flash luminance for the second time, the invention provides a kind of intelligent transportation field blinker signal trigger equipment and method along separate routes, the present invention can convert twice photoflash lamp synchronizing signal to two paths of signals output and drive two photoflash lamps respectively, solves image evidence obtaining equipment and capture the normally technical problem of light filling of 2 pictures continuously under the low-light level situation.
The technical solution adopted for the present invention to solve the technical problems is: a kind of intelligent transportation field blinker signal is trigger equipment along separate routes, and it mainly is composed in series successively by blinker signal acquisition module, blinker signal odd even judge module, signal separation module and signal transmitting module.
A kind of blinker signal of said apparatus is triggering method along separate routes, may further comprise the steps:
(1) the blinker signal acquisition module receives the photoflash lamp primary signal, and rebuilds blinker signal by the signal Synchronization sampling, produces balanced back signal, ensures signal quality;
(2) blinker signal odd even judge module with equilibrium after signal count, and judge the signal enter and be parity information to be saved as odd number or even number odd even judge the back data;
(3) signal separation module with equilibrium after signal judge that according to odd even the parity information that the back data provide is separated into two parts: separate back first via photoflash lamp triggering signal and separate after No. the second photoflash lamp triggering signal;
(4) will separate back first via photoflash lamp triggering signal and separate the back No. the second photoflash lamp triggering signal by signal transmitting module and convert the dry contact triggering mode that photoflash lamp generally adopts to: conversion back first via photoflash lamp conducting triggering mode signal and change after No. the second photoflash lamp conducting triggering mode signal, send the trigger flashing lamp then, the synchronous images collecting device is captured light filling.
The invention has the beneficial effects as follows that a kind of two paths of signals that twice photoflash lamp synchronizing signal can be converted to is exported the method that drives two photoflash lamps respectively, solve image evidence obtaining equipment and under the low-light level situation, capture the normally technical problem of light filling of 2 pictures continuously.In addition, the present invention also has signal enhancing, harmless conversion, hardware is simple, cost is low, function changes advantage easily.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples;
Fig. 1 is signal of the present invention and data flow framework figure;
Fig. 2 is an actual input and output waveform schematic diagram of the present invention;
Fig. 3 and Fig. 4 are the circuit diagrams of the embodiment of the invention;
Among the figure, blinker signal acquisition module 1, blinker signal odd even judge module 2, signal separation module 3, signal transmitting module 4, photoflash lamp primary signal 10, balanced back signal 11, odd even is judged back data 12, separate back first via photoflash lamp triggering signal 13, separate the back No. the second photoflash lamp triggering signal 14, conversion back first via photoflash lamp conducting triggering mode signal 15, the conversion back No. the second photoflash lamp conducting triggering mode signal 16, photoflash lamp primary signal 20, gather balanced back signal 21, separate back first via photoflash lamp triggering signal 22, separate the back No. the second photoflash lamp triggering signal 23.
Embodiment
Describe the present invention in detail with embodiment with reference to the accompanying drawings below, it is more obvious that purpose of the present invention and effect will become.
As shown in Figure 1, intelligent transportation field blinker signal shunt trigger equipment of the present invention mainly is composed in series successively by blinker signal acquisition module 1, blinker signal odd even judge module 2, signal separation module 3 and signal transmitting module 4.Wherein, blinker signal acquisition module 1 is responsible for receiving the synchronization flash modulating signal that image evidence obtaining equipment sends, and rebuilds blinker signal by the high-frequency signal collection, ensures signal quality; Blinker signal odd even judge module 2 is responsible for rebuilding afterwards the photoflash lamp triggering signals and is counted judgement, distinguishes that odd number is opened or the photoflash lamp synchronizing signal of even number pictures; Signal separation module 3 will be handled the photoflash lamp triggering signal according to the data that the odd even judge module obtains, and signal allocation is exported to corresponding photoflash lamp; Photoflash lamp triggering signal after signal transmitting module 4 will be separated is converted to the form that dry contact that photoflash lamp generally adopts triggers by light-coupled isolation respectively, sends on the corresponding photoflash lamp, reaches signal function along separate routes.
Specifically, blinker signal acquisition module 1 is responsible for receiving photoflash lamp primary signal 10, and rebuilds blinker signal by the signal Synchronization sampling, produces balanced back signal 11, ensures signal quality; Blinker signal odd even judge module 2 is responsible for signal after the equilibrium 11 is counted, and judge the signal that enters and be parity information to be saved as odd number or even number odd even judge back data 12; Signal separation module 3 judges that according to odd even the parity information that back data 12 provide is separated into two parts with signal after the equilibrium 11: separate back first via photoflash lamp triggering signal 13 and separate the back No. the second photoflash lamp triggering signal 14; To separate back first via photoflash lamp triggering signal 13 and separate the back No. the second photoflash lamp triggering signal 14 by signal transmitting module 4 and convert the dry contact triggering mode that photoflash lamp generally adopts to: conversion back first via photoflash lamp conducting triggering mode signal 15 and change after No. the second photoflash lamp conducting triggering mode signal 16, send the trigger flashing lamp then, the synchronous images collecting device is captured light filling.
As shown in Figure 2, photoflash lamp primary signal 20, the balanced back of collection signal 21, separation back first via photoflash lamp triggering signal 22, the separation back No. the second photoflash lamp triggering signal 23 among the present invention, the waveform schematic understands that the present invention is separated into two signals with two continuous photoflash lamp triggering signals, triggers two photoflash lamps respectively.
Embodiment
As shown in Figure 3 and Figure 4, hardware circuit of the present invention relates to electronic devices and components: be made up of resistance R 1～R15, thermistor PTC1～PTC5, capacitor C 1～C3, Schottky diode D1～D3, inductance BL1, integrated circuit U1, optical coupler U2～U4, crystal oscillator X1, connector J1～J4.Circuit bank becomes: meet thermistor PTC1 between 1 pin of connector J1 and 2 pins of optical coupler U2, the 2 pins difference connecting resistance R10 of connector J1 and an end of capacitor C 3, the equal ground connection of the other end of resistance R 10 and capacitor C 3, move to+12V on the 1 pin connecting resistance R12 of optical coupler U2,2 pins of optical coupler U2 connect on the R11 to be moved to+12V, 2 pins of optical coupler U2 connect the negative pole of Schottky diode D1 simultaneously, the plus earth of Schottky diode D1, the 3 pin ground connection of optical coupler U2, move to+3.3V on the 4 pin connecting resistance R13 of optical coupler U2,4 pins of optical coupler U2 are connected to 2 pins of integrated circuit U1 simultaneously, the end of the 1 pin connecting resistance R3 of connector J4, the other end ground connection of resistance R 3,1 pin of connector J4 also connects 24 pins of integrated circuit U1 simultaneously, 3 pins of connector J4 connect 25 pins of integrated circuit U1, the end of the 5 pin connecting resistance R4 of connector J4, another termination+3.3V of resistance R 4,5 pins of connector J4 connect 22 pins of integrated circuit U1 simultaneously, the end of the 9 pin connecting resistance R5 of connector J4, another termination+3.3V of resistance R 5,9 pins of connector J4 connect 23 pins of integrated circuit U1 simultaneously, 2 pins of connector J4,10 pin ground connection, 4 pins of connector J4 connect+3.3V, 4 pins of crystal oscillator X1 meet inductance BL1 simultaneously, capacitor C 1, one end of capacitor C 2, another termination+3.3V of inductance BL1, the other end ground connection of capacitor C 1 and capacitor C 2, the 2 pin ground connection of crystal oscillator X1,3 pins of crystal oscillator X1 are connecting resistance R1 simultaneously, one end of resistance R 2,12 pins of another termination integrated circuit U1 of resistance R 1,17 pins of another termination integrated circuit U1 of resistance R 2,9 pins of integrated circuit U1,31 pins, 45 pins, 59 pins, 80 pins, 94 pins, 13 pins, 63 pins connect+3.3V, 10 pins of integrated circuit U1,32 pins, 46 pins, 60 pins, 79 pins, 93 pins, 11 pins, 65 pin ground connection, 49 pins of integrated circuit U1 connect 2 pins of optical coupler U3,50 pins of integrated circuit U1 connect 2 pins of optical coupler U4, move to+3.3V on the 1 pin connecting resistance R14 of optical coupler U3,3 pins of optical coupler U3 and 4 pins also meet Schottky diode D2,3 pins of optical coupler U3 connect the positive pole of Schottky diode D2,4 pins of optical coupler U3 connect the negative pole of Schottky diode D2,3 pins of optical coupler U3 also connect the end of thermistor PTC4, the other end of thermistor PTC4 connects 2 pins of connector J2,4 pins of optical coupler U3 also connect the end of thermistor PTC2, the other end of thermistor PTC2 connects 1 pin of connector J2, move to+3.3V on the 1 pin connecting resistance R15 of optical coupler U4,3 pins of optical coupler U4 and 4 pins also meet Schottky diode D3,3 pins of optical coupler U4 connect the positive pole of Schottky diode D3,4 pins of optical coupler U4 connect the negative pole of Schottky diode D3,3 pins of optical coupler U4 also connect the end of thermistor PTC5, the other end of thermistor PTC5 connects 2 pins of connector J3,4 pins of optical coupler U4 also connect the end of thermistor PTC3, and the other end of thermistor PTC3 connects 1 pin of connector J3.Wherein, integrated circuit U1 can select the CPLD EPM240T100 of ALTERA company for use, and optical coupler U2～U4 can select the TLP281 of TOSHIBA company for use, and connector J1～J3 is common junction block, and connector J4 is double 5 row standard straight Plug pin patch bay.Flashing light acquisition module 1 is made up of with integrated circuit U1 internal logic and accessory circuit optical coupler U2, blinker signal odd even judge module 2 is made up of integrated circuit U1 internal logic, signal separation module 3 is made up of integrated circuit U1 internal logic, and signal transmitting module 4 is made up of with optical coupler U4 and accessory circuit optical coupler U3.
The foregoing description is used for the present invention that explains, rather than limits the invention, and in the protection range of spirit of the present invention and claim, any modification and change to the present invention makes all fall into protection scope of the present invention.
Claims (2)
1. intelligent transportation field blinker signal trigger equipment along separate routes, it is characterized in that it mainly is composed in series successively by blinker signal acquisition module (1), blinker signal odd even judge module (2), signal separation module (3) and signal transmitting module (4) etc.
2. the blinker signal of the described device of claim 1 shunt triggering method is characterized in that, may further comprise the steps:
(1) blinker signal acquisition module (1) receives photoflash lamp primary signal (10), and rebuilds blinker signal by the signal Synchronization sampling, produces balanced back signal (11), ensures signal quality;
(2) blinker signal odd even judge module (2) is counted signal after the equilibrium (11), and judge the signal enter and be parity information to be saved as odd number or even number odd even judge back data (12);
(3) signal separation module 3 judges that according to odd even the parity information that back data (12) provide is separated into two parts with signal after the equilibrium (11): separate back first via photoflash lamp triggering signal (13) and separate the back No. the second photoflash lamp triggering signal (14);
(4) will separate back first via photoflash lamp triggering signal (13) by signal transmitting module (4) and separate the back No. the second photoflash lamp triggering signal (14) and convert the dry contact triggering mode that photoflash lamp generally adopts to: conversion back first via photoflash lamp conducting triggering mode signal (15) and change after No. the second photoflash lamp conducting triggering mode signal (16), send the trigger flashing lamp then, the synchronous images collecting device is captured light filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101245394A CN102244967A (en) | 2011-05-16 | 2011-05-16 | Flash lamp signal shunting triggering device and method in field of intelligent traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101245394A CN102244967A (en) | 2011-05-16 | 2011-05-16 | Flash lamp signal shunting triggering device and method in field of intelligent traffic |
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| CN102244967A true CN102244967A (en) | 2011-11-16 |
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| CN2011101245394A Pending CN102244967A (en) | 2011-05-16 | 2011-05-16 | Flash lamp signal shunting triggering device and method in field of intelligent traffic |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1345018A (en) * | 2000-07-31 | 2002-04-17 | 电等离子体公司 | Flat plasma display panel having independent trigger and controllable holding electrode |
| CN201444676U (en) * | 2009-07-09 | 2010-04-28 | 中国华录·松下电子信息有限公司 | Full high definition 3D video signal odd/even field rapid identify circuit |
| CN201547638U (en) * | 2009-10-13 | 2010-08-11 | 合肥路之达智能科技有限公司 | Two-path stroboflash light complement lamp |
| CN202206639U (en) * | 2011-05-16 | 2012-04-25 | 浙江大华技术股份有限公司 | Smart flash lamp signal shunt trigger device of traffic field |
-
2011
- 2011-05-16 CN CN2011101245394A patent/CN102244967A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1345018A (en) * | 2000-07-31 | 2002-04-17 | 电等离子体公司 | Flat plasma display panel having independent trigger and controllable holding electrode |
| CN201444676U (en) * | 2009-07-09 | 2010-04-28 | 中国华录·松下电子信息有限公司 | Full high definition 3D video signal odd/even field rapid identify circuit |
| CN201547638U (en) * | 2009-10-13 | 2010-08-11 | 合肥路之达智能科技有限公司 | Two-path stroboflash light complement lamp |
| CN202206639U (en) * | 2011-05-16 | 2012-04-25 | 浙江大华技术股份有限公司 | Smart flash lamp signal shunt trigger device of traffic field |
Non-Patent Citations (2)
| Title |
|---|
| 罗武胜，吕海宝，王跃科，叶湘滨: "数据采集系统中通道特性与均衡技术", 《电子测量技术》, 31 March 1999 (1999-03-31) * |
| 郭伟军: "应用CS理论实现同步采样压缩成像", 《中国光学与应用光学》, 31 December 2009 (2009-12-31) * |
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Application publication date: 20111116 |