CN103955724A - System and method for solving RFID misinformation problem by combining RFID with interlocking technology - Google Patents
System and method for solving RFID misinformation problem by combining RFID with interlocking technology Download PDFInfo
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- CN103955724A CN103955724A CN201410209267.1A CN201410209267A CN103955724A CN 103955724 A CN103955724 A CN 103955724A CN 201410209267 A CN201410209267 A CN 201410209267A CN 103955724 A CN103955724 A CN 103955724A
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- rfid
- active electronic
- electronic label
- coding
- interlocking
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Abstract
The invention discloses a system and method for solving an RFID misinformation problem by combining the RFID with the interlocking technology. According to the method, A encoding radio-frequency signals of RFID active electronic tags at a loading point and B encoding radio-frequency signals of RFID active electronic tags at an unloading point are read through an RFID reader-writer; a single chip microcomputer master controller judges whether current codes are A codes or B codes so as to control an electronic interlocking device and a counter, a process is formed only when the electronic interlocking device receives the A codes before receiving the B codes, the state of the electronic interlocking device cannot be changed if the electronic interlocking device does not receive the B codes and repeatedly senses the A codes instead, the same goes for the B codes, and therefore misinformation can be effectively prevented.
Description
Technical field
The invention belongs to REID field, relate in particular to a kind of RFID and be combined with interlocking technology and solve the system and method for RFID wrong report problem.
Background technology
Whether, in the classic method that uses RFID REID to add up vehicles while passing, vehicle passes in and out region at every turn is all responded to once, cannot differentiate vehicle and unload, or keep in repair, refuel, and extremely easily causes false; And if at loading point and clearance point, rfid interrogator is all installed, cannot solve again the problem of loading and unloading point source, and cost is very high.
Even rfid interrogator is all installed at loading point and clearance point simultaneously, also cannot ensure the accuracy of number, because this method is to utilize server platform to judge, wireless transmission easily causes loss of data, and then causes erroneous judgement.
Leave loading point and do not arrive clearance point and then return to loading an erroneous judgement of putting this class behavior (clearance point in like manner) if can utilize hardware itself to evade, will greatly improve the reliability of RFID data statistics, thering are larger market outlook.
Summary of the invention
The system and method that the object of the present invention is to provide a kind of RFID to be combined with interlocking technology to solve RFID wrong report problem, is intended to solve RFID wrong report problem.
The present invention realizes like this, a kind of RFID is combined the system that solves RFID wrong report problem and is comprised Big Dipper terminal with interlocking technology, rfid interrogator, loading point RFID active electronic label and clearance point RFID active electronic label, loading point RFID active electronic label sends radiofrequency signal by A coded format at a certain time interval, when car-mounted terminal is put label near loading near time, rfid interrogator antenna reception is to A coded radio frequency signal, after receipt decoding unit decodes, sending to single-chip microcomputer processes, excitation electron interlocking, in the time that vehicle leaves loading point and transport arrival clearance point by a period of time, rfid interrogator receives the B coded radio frequency signal that clearance point RFID active electronic label sends, become B coding through receipt decoding cell translation, excitation electron interlocking, form one time number, counting module adds 1 current number, coding is pass-through to Big Dipper terminal, issue server by wireless communication module.
Further, described Big Dipper terminal comprises the communication module connecting in turn, master control, I/O interface, described rfid interrogator comprises receipt decoding unit, single-chip microcomputer, I/O interface, described loading point RFID active electronic label comprises in turn the time base control module connecting, A coded excitation unit, high-capacity lithium battery, described clearance point RFID active electronic label comprises in turn the time base control module connecting, A coded excitation unit, high-capacity lithium battery, Big Dipper terminal is connected by I/O mouth with rfid interrogator, described loading point RFID active electronic label is connected with rfid interrogator by radio frequency signal with clearance point RFID active electronic label.
A kind of RFID is combined the method that solves RFID wrong report problem and is comprised with interlocking technology:
Step 1, loading point RFID electronic tag and clearance point RFID electronic tag, according to time base control module, send radiofrequency signal with Fixed Time Interval S according to coding, loading point RFID active electronic label sends A coding, and clearance point RFID active electronic label sends B coding; Rfid interrogator counter T is designated as 0, i.e. T=0;
Step 2, rfid interrogator enter within the scope of loading point RFID active electronic label radiofrequency signal, receive A coded radio frequency signal, by receipt decoding unit, obtain A coding, are recorded in single-chip microcomputer, and recording current state is A;
Step 3, rfid interrogator enter within the scope of clearance point RFID active electronic label radiofrequency signal, receive B coded radio frequency signal, by receipt decoding unit, obtain B coding, single-chip microcomputer master control judges that present encoding is B or A, if current state is A, electronic interlocking state becomes out, counter adds 1, T=T+1; If current state is B, electronic interlocking sum counter does not change;
Step 4, counter status coding, reach the master control of Big Dipper equipment by I/O interface, then send wireless signal to server by communication module.
effect gathers
The present invention reads the A coded radio frequency signal of loading point RFID active electronic label and the B coded radio frequency signal of clearance point RFID active electronic label by rfid interrogator, judge that by single-chip microcomputer master control present encoding is that B or A control electronic interlocking sum counter, electronic interlocking must be to receive A coding, and then receive B coding, just can form one time, if do not receive B coding, but repeatedly respond to A coding and cannot change the state of electronic interlocking, be suitable for equally B coding, therefore can effectively prevent wrong report.
Brief description of the drawings
Fig. 1 is that RFID that the embodiment of the present invention provides is combined the structural representation of the system that solves RFID wrong report problem with interlocking technology;
Fig. 2 is that RFID that the embodiment of the present invention provides is combined with interlocking technology and is solved the method flow diagram of RFID wrong report problem.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows RFID of the present invention and is combined the structure of the system that solves RFID wrong report problem with interlocking technology, as shown in the figure, the present invention realizes like this, a kind of RFID is combined the system that solves RFID wrong report problem and is comprised Big Dipper terminal with interlocking technology, rfid interrogator, loading point RFID active electronic label and clearance point RFID active electronic label, loading point RFID active electronic label at a certain time interval (capable of regulating) sends radiofrequency signal by A coded format, when car-mounted terminal is put label near loading near time, rfid interrogator antenna reception is to A coded radio frequency signal, after receipt decoding unit decodes, sending to single-chip microcomputer processes, excitation electron interlocking, electronic interlocking state " is pressed ", in the time that vehicle leaves loading point and transport arrival clearance point by a period of time, rfid interrogator receives the B coded radio frequency signal that clearance point RFID active electronic label sends, become B coding through receipt decoding cell translation, excitation electron interlocking, electronic interlocking state " is upspring ", form one time number, counting module adds 1 current number, coding is pass-through to Big Dipper terminal, issue server by wireless communication module.
Further, described Big Dipper terminal comprises the communication module connecting in turn, master control, I/O interface, described rfid interrogator comprises receipt decoding unit, single-chip microcomputer, I/O interface, described loading point RFID active electronic label comprises in turn the time base control module connecting, A coded excitation unit, high-capacity lithium battery, described clearance point RFID active electronic label comprises in turn the time base control module connecting, A coded excitation unit, high-capacity lithium battery, Big Dipper terminal is connected by I/O mouth with rfid interrogator, described loading point RFID active electronic label is connected with rfid interrogator by radio frequency signal with clearance point RFID active electronic label.
As shown in Figure 2, a kind of RFID is combined the method that solves RFID wrong report problem and is comprised with interlocking technology:
S101: loading point RFID electronic tag and clearance point RFID electronic tag, according to time base control module, send radiofrequency signal with Fixed Time Interval S according to coding, loading point RFID active electronic label sends A coding, and clearance point RFID active electronic label sends B coding; Rfid interrogator counter T is designated as 0, i.e. T=0;
S102:RFID read write line enters within the scope of loading point RFID active electronic label radiofrequency signal, receives A coded radio frequency signal, by receipt decoding unit, obtains A coding, is recorded in single-chip microcomputer, and recording current state is A;
S103:RFID read write line enters within the scope of clearance point RFID active electronic label radiofrequency signal, receive B coded radio frequency signal, by receipt decoding unit, obtain B coding, single-chip microcomputer master control judges that present encoding is B or A, if current state is A, electronic interlocking state becomes out, counter adds 1, T=T+1; If current state is B, electronic interlocking sum counter does not change;
S104: counter status coding, reaches the master control of Big Dipper equipment by I/O interface, then send wireless signal to server by communication module.
The present invention reads the A coded radio frequency signal of loading point RFID active electronic label and the B coded radio frequency signal of clearance point RFID active electronic label by rfid interrogator, judge that by single-chip microcomputer master control present encoding is that B or A control electronic interlocking sum counter, electronic interlocking must be to receive A coding, and then receive B coding, just can form one time, if do not receive B coding, but repeatedly respond to A coding and cannot change the state of electronic interlocking, be suitable for equally B coding, therefore can effectively prevent wrong report.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendments that performing creative labour can make or distortion still within protection scope of the present invention.
Claims (3)
1. a RFID is combined the system of RFID wrong report problem of solving with interlocking technology, it is characterized in that, described RFID is combined the system that solves RFID wrong report problem and is comprised Big Dipper terminal, RFID read write line, loading point RFID active electronic label and clearance point RFID active electronic label with interlocking technology;
Loading point RFID active electronic label sends radiofrequency signal by A coded format at a certain time interval, when car-mounted terminal is put label near loading near time, rfid interrogator antenna reception is to A coded radio frequency signal, after receipt decoding unit decodes, sending to single-chip microcomputer processes, excitation electron interlocking, in the time that vehicle leaves loading point and transport arrival clearance point by a period of time, rfid interrogator receives the B coded radio frequency signal that clearance point RFID active electronic label sends, become B coding through receipt decoding cell translation, excitation electron interlocking, form one time number, counting module adds 1 current number, coding is pass-through to Big Dipper terminal, issue server by wireless communication module.
2. RFID as claimed in claim 1 is combined the system of RFID wrong report problem of solving with interlocking technology, it is characterized in that, described Big Dipper terminal comprises the communication module, master control, the I/O interface that connect in turn, and described rfid interrogator comprises receipt decoding unit, single-chip microcomputer, I/O interface;
Described loading point RFID active electronic label comprises in turn the time base control module, A coded excitation unit, the high-capacity lithium battery that connect, described clearance point RFID active electronic label comprises in turn the time base control module, A coded excitation unit, the high-capacity lithium battery that connect, Big Dipper terminal is connected by I/O mouth with rfid interrogator, and described loading point RFID active electronic label is connected with rfid interrogator by radio frequency signal with clearance point RFID active electronic label.
3. RFID is combined the method for RFID wrong report problem of solving with interlocking technology, it is characterized in that, described RFID is combined with interlocking technology and is solved the method that RFID reports problem by mistake and comprise:
Step 1, loading point RFID electronic tag and clearance point RFID electronic tag, according to time base control module, send radiofrequency signal with Fixed Time Interval S according to coding, loading point RFID active electronic label sends A coding, and clearance point RFID active electronic label sends B coding; Rfid interrogator counter T is designated as 0, i.e. T=0;
Step 2, rfid interrogator enter within the scope of loading point RFID active electronic label radiofrequency signal, receive A coded radio frequency signal, by receipt decoding unit, obtain A coding, are recorded in single-chip microcomputer, and recording current state is A;
Step 3, rfid interrogator enter within the scope of clearance point RFID active electronic label radiofrequency signal, receive B coded radio frequency signal, by receipt decoding unit, obtain B coding, single-chip microcomputer master control judges that present encoding is B or A, if current state is A, electronic interlocking state becomes out, counter adds 1, T=T+1; If current state is B, electronic interlocking sum counter does not change;
Step 4, counter status coding, reach the master control of Big Dipper equipment by I/O interface, then send wireless signal to server by communication module.
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| CN201410209267.1A CN103955724B (en) | 2014-05-16 | 2014-05-16 | A kind of RFID is combined with interlocking techniques solves the system and method that RFID reports problem by mistake |
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| CN201410209267.1A CN103955724B (en) | 2014-05-16 | 2014-05-16 | A kind of RFID is combined with interlocking techniques solves the system and method that RFID reports problem by mistake |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105512696A (en) * | 2014-09-25 | 2016-04-20 | 北京浪奇捷联科技开发有限公司 | Area identification statistics method and system and active electronic label |
| CN106909866A (en) * | 2017-03-31 | 2017-06-30 | 广州地理研究所 | The card reader and its application process of a kind of many cartoon letters anti-collisions of vehicle electron identifying |
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| CN103955724B (en) | 2017-09-12 |
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Effective date of registration: 20170713 Address after: 211106, Jiangsu province Jiangning Nanjing district general road, state 1000 people plan, expert building, room 6018 Applicant after: Nanjing cloud Travel Information Technology Co., Ltd. Address before: Lishui County of Nanjing City, Jiangsu province 211200 Yong Yang town the road No. 80 Building 1 room 1102 Applicant before: Fang Changluan |
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