CN204117360U - Radio-frequency (RF) identification trigger pip converter - Google Patents
Radio-frequency (RF) identification trigger pip converter Download PDFInfo
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- CN204117360U CN204117360U CN201420421706.0U CN201420421706U CN204117360U CN 204117360 U CN204117360 U CN 204117360U CN 201420421706 U CN201420421706 U CN 201420421706U CN 204117360 U CN204117360 U CN 204117360U
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Abstract
Radio-frequency (RF) identification trigger pip converter, there is data acquisition and controlling functions, remote for the radio-frequency (RF) identification of electronic vehicle license plate system read write line is connected with the high-definition camera of bayonet socket and electronic police system by it, triggers the work such as high-definition camera candid photograph and Car license recognition to realize reading vehicle electric license board information by radio-frequency identification reader/writer.Converter comprises control chip module, relay switching variable output module, synchronous processing module, temperature detecting module, voltage detection module, input interface group, output interface group and control interface group.GPO signal is exported when radio-frequency identification reader/writer identifies the electronic license plate be contained on vehicle, this GPO signal inputs to converter as control signal, now converter can adjust the delay time of trigger pip according to video camera actual application environment, or Transistor-Transistor Logic level export pulse width and the cycle, then output level (or pulse/serial command) signal gives coupling video camera, realizes synchronously triggering or Time-delayed trigger and captures.
Description
Technical field
The utility model relates to vehicular traffic management domain, is specifically related to radio-frequency (RF) identification trigger pip converter.
Background technology
At present, the electronic license plate based on up-to-date RFID REID also more and more appears in the intelligent traffic administration system of city and highway.Electronic vehicle license plate system writes in ultrahigh frequency electronic tag by information of vehicles, realize the remote identification to the information of vehicles in electronic tag by the ultrahigh frequency remote read write line be distributed on crossing or road, background management system realizes the intelligent management to vehicle according to the information of vehicles that read write line identifies.
In common roadway bayonet socket and electronic police supervisory system, mainly contain coil trigger and video detect two kinds of patterns.The easily extensible application of coil detecting system function is little, needs to rely on external hardware and carrys out trigger pip, also can relate to the work such as the tenure of use of outer triggering signal source apparatus, Installation and Debugging, maintenance, can cause the destruction to road surface, monitoring point during construction; The shortcoming of video detection mode is that algorithm complexity is higher owing to all carrying out identifying processing to every frame.And video triggering technique is larger by ambient lighting climate effect, particularly need the light filling problem solving evening, and car plate earth, insect plant residue block and artificial deliberately occlusion issue, therefore take video detect efficient, accuracy rate is all generally lower.
This just needs a kind of equipment to be connected with the high-definition camera of bayonet socket and electronic police system by remote for the radio-frequency (RF) identification of electronic vehicle license plate system read write line, the work such as high-definition camera candid photograph, number-plate number identification are triggered to realize reading vehicle electric license board information by the remote read write line of radio-frequency (RF) identification, not only can solve each triggering mode of existing video camera relevant device low in triggering accuracy rate, cost is high, realize the technical bottlenecks such as difficulty is large, but also thoroughly can solve the identification problem of the vehicles such as vacation, fake license plate vehicle, blacklist vehicle and illegal operation.
Utility model content
Radio-frequency (RF) identification trigger pip converter of the present utility model, remote for the radio-frequency (RF) identification of electronic vehicle license plate system read write line is connected with the high-definition camera of bayonet socket and electronic police system, high-definition camera candid photograph is triggered to realize reading vehicle electric license board information by the remote read write line of radio-frequency (RF) identification, thus the later stage can carry out the work such as number-plate number identification, not only can solve each triggering mode of existing video camera relevant device low in triggering accuracy rate, cost is high, realize difficulty large etc., but also thoroughly can solve vacation, fake license plate vehicle, the identification problem of the vehicles such as blacklist vehicle and illegal operation.
The technical scheme that the utility model adopts specifically is achieved in that
The radio-frequency (RF) identification trigger pip converter that the utility model provides, there is data acquisition and controlling functions, it is characterized in that, described converter comprises control chip module, relay switching variable output module, synchronous processing module, temperature detecting module, voltage detection module, input interface module, output interface group and control interface; GPO signal is exported when the radio-frequency identification reader/writer of electronic vehicle license plate system identifies the electronic license plate be contained in advance on vehicle, this GPO signal inputs to radio-frequency (RF) identification trigger pip converter, now converter can adjust the delay time of trigger pip according to video camera actual application environment, or Transistor-Transistor Logic level export pulse width and the cycle, then output level (or pulse/serial command) signal gives coupling video camera, realizes capturing the triggering of video camera optimal synchronisation or Time-delayed trigger.
Described radio-frequency (RF) identification trigger pip converter, it is characterized in that, can control relay module opening and closing on this interface board after described radio-frequency (RF) identification trigger pip converter detects voltage signal, export passive switch amount signal, described switching value can export configurable time delay size by software merit rating.
Described radio-frequency (RF) identification trigger pip converter, is characterized in that, described radio-frequency (RF) identification trigger pip converter is provided with Transistor-Transistor Logic level output interface, driving force 50mA, and described Transistor-Transistor Logic level exports can configure output pulse width, cycle by upper computer software.
Described synchronous processing module automatically can adjust radio-frequency identification reader/writer and read and video capture identification window, makes it synchronous.
Described radio-frequency (RF) identification trigger pip converter, is characterized in that, described radio-frequency (RF) identification trigger pip converter is provided with RS-485 serial command output interface, for supporting the RS-485 Signal trigger mode of high-definition camera in bayonet socket and electronic police system.Described RS-485 interface can pass through upper computer software configuration communication baud rate, parity check system, the parameters such as data bits.
Described radio-frequency (RF) identification trigger pip converter, it is characterized in that, described radio-frequency (RF) identification trigger pip converter supports that upper computer software is by RJ-45 Ethernet interface or RJ-232 communication interface configuration parameter, test, acquisition work state information, and firmware upgrade.
Described radio-frequency (RF) identification trigger pip converter, is characterized in that, is provided with DC voltage monitoring modular and temperature detecting module in described radio-frequency (RF) identification trigger pip converter, for detecting voltage and the temperature of radio-frequency (RF) identification trigger pip converter.
Described radio-frequency (RF) identification trigger pip converter, it is characterized in that, described radio-frequency (RF) identification trigger pip converter also according to actual application environment needs, can install other functional modules additional, or in the integrated circuit that all or part of for described converter Function Integration Mechanism is entered existing procucts or module.
Accompanying drawing explanation
Fig. 1 is the structural representation of the radio-frequency (RF) identification trigger pip converter of the utility model specific embodiment.
Fig. 2 is the system connection diagram of the radio-frequency (RF) identification trigger pip converter of the utility model specific embodiment.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing, make above-mentioned and other object of the present utility model, Characteristics and advantages will be more clear.Reference numeral identical in whole accompanying drawing indicates identical part.
Fig. 1 is the radio-frequency (RF) identification trigger pip converter structure schematic diagram of the utility model specific embodiment.As shown in Figure 1, the radio-frequency (RF) identification trigger pip converter of the utility model specific embodiment comprises control chip module, relay switching variable output module, synchronous processing module, temperature detecting module, voltage detection module, input interface group, output interface group and control interface group.
In the utility model specific embodiment, described control chip module is used for pilot relay switching value output module, synchronous processing module, temperature detecting module, voltage detection module, input interface group, output interface group and control interface group.And realize to relay switching variable output module, output interface group, control interface group able to programme.
In the utility model specific embodiment, described relay switching variable output module is used for output switch amount signal.Described relay module can be closed after radio-frequency (RF) identification trigger pip converter detects voltage signal, export passive switch amount signal, and be configured by the time delay that upper computer software can realize switch amount signal.
In the utility model specific embodiment, described synchronous processing module automatically can adjust radio-frequency identification reader/writer and read and video capture identification window, makes it synchronous.Usual video Car license recognition window is less, is only and identifies front, base station 20-25 rice, and synchronous processing module automatically can adjust radio frequency and read and the video triggered time, reaches best radio-frequency (RF) identification, video identification success ratio.
In the utility model specific embodiment, described voltage detection module is used for the input voltage detecting radio-frequency (RF) identification trigger pip converter in real time.
In the utility model specific embodiment, described temperature detecting module is used for the working temperature detecting radio-frequency (RF) identification trigger pip converter in real time.
In the utility model specific embodiment, described input interface group comprises Transistor-Transistor Logic level input interface, and input interface group is for connecting radio-frequency identification reader/writer output terminal GPO interface.After radio-frequency identification reader/writer recognizes the electronic license plate of vehicle, GPO interface exports Transistor-Transistor Logic level signal, and this signal delivers to radio-frequency (RF) identification trigger pip converter as control signal.
In the utility model specific embodiment, described output interface group comprises on-off model output interface, Transistor-Transistor Logic level output interface, RS-485 serial command communication interface, output interface group is for docking the various external trigger interface of video camera in bayonet socket and electronic police system.The on-off model of on-off model output interface can configure time delay size by upper computer software; Described Transistor-Transistor Logic level output interface driving force 50mA, Transistor-Transistor Logic level can configure output pulse width, cycle by upper computer software; Described RS-485 output interface can pass through upper computer software configuration communication baud rate, parity check system, the parameters such as data bits.
In the utility model specific embodiment, described control interface group comprises RJ-45 Ethernet interface, RS-232 communication interface, and control interface group is used for upper computer software configuration parameter, test, acquisition work state information, and firmware upgrade.
In the utility model specific embodiment, described radio-frequency (RF) identification trigger pip converter also according to actual application environment needs, can install other functional modules additional; Or in the integrated circuit that all or part of for described converter Function Integration Mechanism entered existing procucts or module.
Fig. 2 is system connection diagram of the present utility model.Working-flow is as follows:
When in the working range that the vehicle that electronic license plate is housed enters radio-frequency identification reader/writer, described radio-frequency identification reader/writer identifies the information of vehicles stored in electronic license plate, exports GPO level signal simultaneously.This GPO level signal inputs to the input interface group of described radio-frequency (RF) identification trigger pip converter as control signal.The output switch parameter mouth of the output interface group of described radio-frequency (RF) identification trigger pip converter, Transistor-Transistor Logic level delivery outlet, pulse delivery outlet or serial command (RS-485 etc.) interface are connected to video camera external trigger input interface, thus export this signal to coupling video camera, realize synchronously triggering or Time-delayed trigger and capture.
Set forth a lot of detail in the above description so that fully understand the utility model.But above description is only preferred embodiment of the present utility model, the utility model can be much different from alternate manner described here to implement, and therefore the utility model is not by the disclosed concrete restriction implemented above.Any those skilled in the art are not departing under technical solutions of the utility model ambit simultaneously, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Every content not departing from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solutions of the utility model protection.
Claims (8)
1. radio-frequency (RF) identification trigger pip converter, there is data acquisition and controlling functions, it is characterized in that, described converter comprises control chip module, relay switching variable output module, synchronous processing module, temperature detecting module, voltage detection module, input interface module, output interface group, synchronous processing module and control interface, GPO signal is exported when the radio-frequency identification reader/writer of electronic vehicle license plate system identifies the electronic license plate be contained in advance on vehicle, this GPO signal inputs to radio-frequency (RF) identification trigger pip converter, now converter can adjust the delay time of trigger pip according to video camera actual application environment, or Transistor-Transistor Logic level export pulse width and the cycle, then output level or pulse/serial command signal give coupling video camera, realize capturing the triggering of video camera optimal synchronisation or Time-delayed trigger.
2. radio-frequency (RF) identification trigger pip converter according to claim 1, it is characterized in that, relay module opening and closing on this interface board can be controlled after described radio-frequency (RF) identification trigger pip converter detects voltage signal, export passive switch amount signal, described switching value can export configurable time delay size by software merit rating.
3. radio-frequency (RF) identification trigger pip converter according to claim 1, it is characterized in that, described radio-frequency (RF) identification trigger pip converter is provided with Transistor-Transistor Logic level output interface, driving force 50mA, and described Transistor-Transistor Logic level exports can configure output pulse width, cycle by upper computer software.
4. radio-frequency (RF) identification trigger pip converter according to claim 1, is characterized in that, described synchronous processing module automatically can adjust radio-frequency identification reader/writer and read and video capture identification window, makes it synchronous.
5. radio-frequency (RF) identification trigger pip converter according to claim 1, it is characterized in that, described radio-frequency (RF) identification trigger pip converter is provided with RS-485 serial command output interface, for supporting the RS-485 Signal trigger mode of high-definition camera in bayonet socket and electronic police system, described RS-485 interface can pass through upper computer software configuration communication baud rate, parity check system, the parameters such as data bits.
6. radio-frequency (RF) identification trigger pip converter according to claim 1, it is characterized in that, described radio-frequency (RF) identification trigger pip converter supports that upper computer software is by RJ-45 Ethernet interface or RJ-232 communication interface configuration parameter, test, acquisition work state information, and firmware upgrade.
7. radio-frequency (RF) identification trigger pip converter according to claim 1, it is characterized in that, DC voltage monitoring modular and temperature detecting module is provided with, for detecting voltage and the temperature of radio-frequency (RF) identification trigger pip converter in described radio-frequency (RF) identification trigger pip converter.
8. radio-frequency (RF) identification trigger pip converter according to claim 1, it is characterized in that, described radio-frequency (RF) identification trigger pip converter also can according to actual application environment needs, install other functional modules additional, or in the integrated circuit that all or part of for described converter Function Integration Mechanism is entered existing procucts or module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420421706.0U CN204117360U (en) | 2014-07-29 | 2014-07-29 | Radio-frequency (RF) identification trigger pip converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420421706.0U CN204117360U (en) | 2014-07-29 | 2014-07-29 | Radio-frequency (RF) identification trigger pip converter |
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| Publication Number | Publication Date |
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| CN204117360U true CN204117360U (en) | 2015-01-21 |
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| CN201420421706.0U Expired - Fee Related CN204117360U (en) | 2014-07-29 | 2014-07-29 | Radio-frequency (RF) identification trigger pip converter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847837A (en) * | 2018-05-29 | 2018-11-20 | 广州赛宝计量检测中心服务有限公司 | Signal adapter |
| CN112562347A (en) * | 2020-11-30 | 2021-03-26 | 高新兴智联科技有限公司 | Matching algorithm for electronic identification radio frequency data and video data of motor vehicle |
-
2014
- 2014-07-29 CN CN201420421706.0U patent/CN204117360U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847837A (en) * | 2018-05-29 | 2018-11-20 | 广州赛宝计量检测中心服务有限公司 | Signal adapter |
| CN108847837B (en) * | 2018-05-29 | 2024-05-28 | 广州赛宝计量检测中心服务有限公司 | Signal Converter |
| CN112562347A (en) * | 2020-11-30 | 2021-03-26 | 高新兴智联科技有限公司 | Matching algorithm for electronic identification radio frequency data and video data of motor vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20190729 |