CN106909866A - The card reader and its application process of a kind of many cartoon letters anti-collisions of vehicle electron identifying - Google Patents
The card reader and its application process of a kind of many cartoon letters anti-collisions of vehicle electron identifying Download PDFInfo
- Publication number
- CN106909866A CN106909866A CN201710210183.3A CN201710210183A CN106909866A CN 106909866 A CN106909866 A CN 106909866A CN 201710210183 A CN201710210183 A CN 201710210183A CN 106909866 A CN106909866 A CN 106909866A
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- CN
- China
- Prior art keywords
- transceiver
- vehicle electron
- electron identifying
- moment
- card reader
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
- G06K7/10356—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers using a plurality of antennas, e.g. configurations including means to resolve interference between the plurality of antennas
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10019—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
- G06K7/10029—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10019—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
- G06K7/10079—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the spatial domain, e.g. temporary shields for blindfolding the interrogator in specific directions
- G06K7/10089—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the spatial domain, e.g. temporary shields for blindfolding the interrogator in specific directions the interrogation device using at least one directional antenna or directional interrogation field to resolve the collision
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
Abstract
The present invention relates to vehicle electron identifying technical field,The card reader and its application process of more particularly to a kind of many cartoon letters anti-collisions of vehicle electron identifying,RF transceiver A and RF transceiver B communication contexts are in the same size,Diverse location is located at by by the antenna of the antenna of RF transceiver A and RF transceiver B,So as to the communication context of RF transceiver A and RF transceiver B staggers,Recording the moment t1 that vehicle electron identifying enters the communication context of RF transceiver B into the moment t0 and the vehicle electron identifying of the communication context of RF transceiver A respectively with arm processor,Calculate from duration T used by moment t0 to moment t1,Then the most short vehicle electron identifying Q of duration T used are chosen and locked in each vehicle electron identifying,Control RF transceiver B only carries out radio communication with vehicle electron identifying Q,Ensure that the card reader on road only should carry out radio communication on same time point with a vehicle electron identifying,There is crosstalk to avoid communication data.
Description
Technical field
The present invention relates to vehicle electron identifying technical field, more particularly to a kind of many cartoon letters erosion controls of vehicle electron identifying
Prominent card reader and its application process.
Background technology
Vehicle electron identifying is also automobile electronic identity card, Digital Automobile multi-standard source, is commonly called as " electronic license plate ", and it is
By the information Stores such as the number-plate number in RF tag so as to the card being made, can automatically, noncontact, not parking complete car
Identification and monitoring, be based on Internet of Things passive radio frequency identification（RFID）In the extension in wisdom traffic field.
In general, the card reader on road only should carry out radio frequency with a vehicle electron identifying on same time point leading to
Letter, to ensure that communication data will not occur crosstalk.So because the quantity of getting on the car of road now is various, a card reader is caused same
The phenomenon of multiple vehicle electron identifyings is often tackled on one time point, card reader is penetrated with multiple vehicle electron identifyings at the same time
Often there is communication data crosstalk in frequency, cause Card Reader to fail during communicating.
The content of the invention
It is an object of the invention to solve weak point of the prior art, there is provided a kind of many cartoon letters of vehicle electron identifying
The card reader and its application process of anti-collision, it is ensured that card reader on road on same time point should only with an automotive electronics
Mark carries out radio communication, and crosstalk occurs to avoid communication data.
The purpose of the present invention is achieved through the following technical solutions：
A kind of card reader of many cartoon letters anti-collisions of vehicle electron identifying, including arm processor, display and pronunciation dress are provided
Put, also including communication context RF transceiver A of the same size and RF transceiver B, arm processor is electrically connected display
Device, pronunciation device, RF transceiver A and RF transceiver B, the antenna of RF transceiver A and the antenna of RF transceiver B are in
Diverse location, arm processor is according to vehicle electron identifying from entering the moment t0 of RF transceiver A communication contexts to subsequently entering
Duration T used by the moment t1 of RF transceiver B communication contexts locks vehicle electron identifying Q, and controls RF transceiver B only
Radio communication is carried out with vehicle electron identifying Q.
Wherein, the antenna of the RF transceiver A is located at the top of card reader madial wall, the day of the RF transceiver B
Line is located at the bottom of another madial wall.
Wherein, the display is liquid crystal display.
Wherein, the arm processor is STM32F103VCT6.
A kind of method for applying above-mentioned card reader is also provided, is comprised the following steps：
Arm processor records vehicle electron identifying into moment t0 and the automobile electricity of the communication context of RF transceiver A respectively
Sub-mark enters the moment t1 of the communication context of RF transceiver B, calculates from duration T used by moment t0 to moment t1；
The most short vehicle electron identifying Q of duration T used are chosen and locked in each vehicle electron identifying, control RF transceiver
B only carries out radio communication with vehicle electron identifying Q.
RF transceiver A of the invention and RF transceiver B communication contexts are in the same size, by by RF transceiver A's
The antenna of antenna and RF transceiver B is located at diverse location, so that the communication context of RF transceiver A and RF transceiver B is wrong
Open, recording moment t0 and the automobile of the vehicle electron identifying into the communication context of RF transceiver A respectively with arm processor
Electronic mark enters the moment t1 of the communication context of RF transceiver B, calculates from duration T used by moment t0 to moment t1, then
The most short vehicle electron identifying Q of duration T used are chosen and locked in each vehicle electron identifying, and control RF transceiver B is only
Carry out radio communication with vehicle electron identifying Q, it is ensured that card reader on road on same time point should only with an automobile electricity
Sub-mark carries out radio communication, and crosstalk occurs to avoid communication data.
Specific embodiment
The card reader of the invention, including arm processor, display and pronunciation device, also including communication context size
Consistent RF transceiver A and RF transceiver B, arm processor is electrically connected display, pronunciation device, RF transceiver A
With RF transceiver B, the arm processor result that will deduct fees is shown on display, and carries out sounding to remind by pronunciation device
Passenger.The antenna of RF transceiver A is located at the top of card reader madial wall, and the antenna of the RF transceiver B is located in another
The bottom of side wall, so that the antenna of the antenna of RF transceiver A and RF transceiver B is in diverse location, makes radio-frequency receiving-transmitting
The communication context of device A and RF transceiver B staggers.Arm processor is communicated according to vehicle electron identifying from RF transceiver A is entered
The moment t0 of scope locks automotive electronics mark to the duration T used by the moment t1 of RF transceiver B communication contexts is subsequently entered
Know Q, and control the RF transceiver B only to carry out radio communication with vehicle electron identifying Q, specifically, arm processor is recorded often respectively
The moment t0 and the vehicle electron identifying that individual vehicle electron identifying enters the communication context of RF transceiver A enter RF transceiver
The moment t1 of the communication context of B, then calculates from duration T used by moment t0 to moment t1 again；Last arm processor is in each vapour
The most short vehicle electron identifying Q of duration T used are chosen and locked in car electronic mark, and control RF transceiver B is only electric with automobile
Sub-mark Q carries out radio communication.For example：
Assuming that there is two vehicle electron identifyings（Two vehicle electron identifyings are designated as Q and W respectively）Enter RF transceiver A's simultaneously
Communication context, because the communication context of RF transceiver A and RF transceiver B staggers, and RF transceiver is broadcast operation,
Its communication range is circular, by vehicle electron identifying Q from entering the point x0 of RF transceiver A communication contexts to subsequently entering radio frequency
The distance that the point x1 of transceiver B communication contexts is passed through is designated as L1, and vehicle electron identifying W is communicated from RF transceiver A is entered
The distance that the point y0 of scope is passed through to the point y1 for subsequently entering RF transceiver B communication contexts is designated as L2, then L1 and L2 are not
It is equal, therefore two vehicle electron identifyings receive from the moment t0 for entering RF transceiver A communication contexts to radio frequency is subsequently entered
The duration T sent out used by the moment t1 of device B communication contexts is also unequal, now can compare two automobiles by arm processor
Duration T used by electronic mark, so as to choose the most short vehicle electron identifying Q of duration T used, then locks vehicle electron identifying
Q, finally controls RF transceiver B only to carry out radio communication with vehicle electron identifying Q, it is ensured that the card reader on road is with for the moment
Between point on should only carry out radio communication with a vehicle electron identifying, with avoid communication data occur crosstalk.
Further, for preferably display effect, display uses liquid crystal display,
Further, in order to improve the operating rate of card reader, it is ensured that the Card Reader time is short enough, and controller selects model
The arm processor of STM32F103VCT6, it is 32 bit processors, and data processing is faster.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained to the present invention with reference to preferred embodiment, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (5)
1. the card reader of many cartoon letters anti-collisions of a kind of vehicle electron identifying, including arm processor, display and pronunciation device,
It is characterized in that：Also include communication context RF transceiver A of the same size and RF transceiver B, arm processor is electrically connected respectively
Connect display, pronunciation device, RF transceiver A and RF transceiver B, the antenna of RF transceiver A and the day of RF transceiver B
Line be in diverse location, arm processor according to vehicle electron identifying from enter RF transceiver A communication contexts moment t0 to
Afterwards into RF transceiver B communication contexts moment t1 used by duration T lock vehicle electron identifying Q, and control radio frequency to receive
Hair device B only carries out radio communication with vehicle electron identifying Q.
2. the card reader of many cartoon letters anti-collisions of a kind of vehicle electron identifying according to claim 1, it is characterised in that：Institute
The antenna for stating RF transceiver A is located at the top of card reader madial wall, and the antenna of the RF transceiver B is located at another madial wall
Bottom.
3. the card reader of many cartoon letters anti-collisions of a kind of vehicle electron identifying according to claim 1, it is characterised in that：Institute
Display is stated for liquid crystal display.
4. the card reader of many cartoon letters anti-collisions of a kind of vehicle electron identifying according to claim 1, it is characterised in that：Institute
It is STM32F103VCT6 to state arm processor.
5. the application process of card reader described in claim 1-4, it is characterised in that comprise the following steps：
Arm processor records vehicle electron identifying into moment t0 and the automobile electricity of the communication context of RF transceiver A respectively
Sub-mark enters the moment t1 of the communication context of RF transceiver B, calculates from duration T used by moment t0 to moment t1；
The most short vehicle electron identifying Q of duration T used are chosen and locked in each vehicle electron identifying, control RF transceiver
B only carries out radio communication with vehicle electron identifying Q.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210183.3A CN106909866A (en) | 2017-03-31 | 2017-03-31 | The card reader and its application process of a kind of many cartoon letters anti-collisions of vehicle electron identifying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210183.3A CN106909866A (en) | 2017-03-31 | 2017-03-31 | The card reader and its application process of a kind of many cartoon letters anti-collisions of vehicle electron identifying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106909866A true CN106909866A (en) | 2017-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710210183.3A Pending CN106909866A (en) | 2017-03-31 | 2017-03-31 | The card reader and its application process of a kind of many cartoon letters anti-collisions of vehicle electron identifying |
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| Country | Link |
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| CN (1) | CN106909866A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1790371A (en) * | 2004-12-17 | 2006-06-21 | 香港理工大学 | Reference positioning system employing RF recognition technology |
| CN103377391A (en) * | 2012-04-12 | 2013-10-30 | 深圳市金溢科技有限公司 | Radio frequency identification, communication system and method having fixed-point communication function |
| CN103955724A (en) * | 2014-05-16 | 2014-07-30 | 方昌銮 | System and method for solving RFID misinformation problem by combining RFID with interlocking technology |
| CN104091443A (en) * | 2014-06-26 | 2014-10-08 | 北京计算机技术及应用研究所 | Method and system for calculating traffic congestion degree based on radio frequency identification |
-
2017
- 2017-03-31 CN CN201710210183.3A patent/CN106909866A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1790371A (en) * | 2004-12-17 | 2006-06-21 | 香港理工大学 | Reference positioning system employing RF recognition technology |
| CN103377391A (en) * | 2012-04-12 | 2013-10-30 | 深圳市金溢科技有限公司 | Radio frequency identification, communication system and method having fixed-point communication function |
| CN103955724A (en) * | 2014-05-16 | 2014-07-30 | 方昌銮 | System and method for solving RFID misinformation problem by combining RFID with interlocking technology |
| CN104091443A (en) * | 2014-06-26 | 2014-10-08 | 北京计算机技术及应用研究所 | Method and system for calculating traffic congestion degree based on radio frequency identification |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170630 |