CN100418109C - Express highway network toll ambiguous path recognition system and recognition method thereof - Google Patents

Express highway network toll ambiguous path recognition system and recognition method thereof Download PDF

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Publication number
CN100418109C
CN100418109C CNB2006100503896A CN200610050389A CN100418109C CN 100418109 C CN100418109 C CN 100418109C CN B2006100503896 A CNB2006100503896 A CN B2006100503896A CN 200610050389 A CN200610050389 A CN 200610050389A CN 100418109 C CN100418109 C CN 100418109C
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path recognition
data
recognition card
card
path
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CN1924934A (en
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丁丰其
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Shanghai Huahong Integrated Circuit Co Ltd
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丁丰其
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Abstract

This invention relates to high speed road online charging crossing path identification system, which comprises path identification card, n pieces of electron marks, data process center, database, path read card write device, path identification read device, wherein, the path identification card write device, path identification card read device, database and data process center are connected and the identification card, n electron marks, path identification card write device and path identification device are connected without wire.

Description

A kind of highway networking ambiguous path recognition system and recognition methods thereof
Technical field
The present invention relates to a kind of recognition system, particularly a kind of highway networking ambiguous path recognition system and recognition methods thereof.
Background technology
The collection methods that existing freeway toll is used generally is to take at the expressway entrance and exit place charge station to be set, Vehicle-Miles of Travel is judged in position according to two charge stations, thereby collect the way that corresponding toll is used, when only there is single current path in this way between two charge stations, relatively science, reasonable is also used finely in practice.Yet fast development along with national expressway construction, ambiguous path appears in the freeway net more and more, when existing ambiguous path between two charge stations, take above-mentioned charge way charge again, not only affect traffick master's vital interests, and charge clearing department when carrying out split of the profit, the expressway construction investment subject is not having according to complying with; For this reason, relevant departments adopt theoretical calculation, the fuzzy fractionation or the fuzzy mathematical model Calculation Method, split freeway toll, but the measuring method that above-mentioned this is several, all be under the condition in the current path of hypothesis traffick, to calculate, with exist actually a certain distance, these gaps affect the advocate peace vital interests of expressway construction investment subject of traffick more and more biglyyer.Therefore this problem is perplexing vehicle supervision department dearly, want science to address this problem the path of identification record vehicle pass-through exactly, thereby the foundation of accurate definite charge and split of the profit, but also there is not discovery to be fit to the solution of the simple handy Path Recognition of China's actual conditions both at home and abroad at present.
Specialized vocabulary is explained: ambiguous path: from same place, can pass through path 1, also can pass through path 2, path 3 ... path n, arrive same destination, but for the vehicle that passes through, what we can not determine in advance that it selects to pass through is path 1 or path 2, path 3 ... path n, such 2 paths 3,1 path, path ... path n is defined as ambiguous path.
Summary of the invention
The present invention overcomes above-mentioned weak point, purpose is to provide a kind of highway networking ambiguous path recognition system and recognition methods thereof, this ambiguous path recognition system and the original supporting use of highway tolling system, need not transform original Fare Collection System and equipment on a large scale, only the IC-card that uses in original highway tolling system need be changed into the Path Recognition card, the IC-card read write line changes the Path Recognition card into and writes, readout equipment, set up electronic route sign in each highway section of highway again, just expense that can be lower thoroughly solves the existing expressway tol lcollection and the problem of split of the profit.For expressway tol lcollection administrative authority has saved large quantities of transformation fundses, solved problem again, benefit is very obvious.
The present invention achieves the above object by the following technical programs: a kind of highway networking ambiguous path recognition system comprises Path Recognition card, a N electronic route sign, data processing centre (DPC), database, Path Recognition card write device, Path Recognition card readout equipment; Wherein Path Recognition card write device, Path Recognition card readout equipment, database link to each other with data processing centre (DPC), a Path Recognition card and N electronic route sign, Path Recognition card write device, the wireless connections of Path Recognition card readout equipment; Path Recognition card write device writing information in the Path Recognition card, when the Path Recognition card is through electronic route sign then, the also information of recorded electronic road sign wireless transmission is received in the Path Recognition clamping, by after the information that writes down in the Path Recognition card readout equipment read-out path identification card, output to data processing centre (DPC) and handle again.
Described Path Recognition card comprises shell, in the enclosure antenna, supplying cell, wiring board is set; Integrated outside wake-up control circuit, clock oscillation circuit, data-storing chip, main control chip, radio frequency matching circuit on the described wiring board; Antenna, supplying cell link to each other with wiring board; Described main control chip comprises little processing enter, radio receiving transmitting module, data-carrier store, inner sleep awakening control module, low frequency and low power consumption clock, clock alignment module, power management module; After described IC-card powers on, described IC-card enters the intermittence duty, provided by the low frequency and low power consumption clock off time, the clock alignment module is calibrated clock at any time, described antenna links to each other with radio receiving transmitting module through radio frequency matching circuit, radio receiving transmitting module passes through antenna receiving signal, as not receiving useful signal, at once close radio receiving transmitting module, as receive useful signal, after will continuing to receive array data, close radio receiving transmitting module again, little processing enter is carried out validity to data and is judged, if effectively and be confirmed to be new data, is saved in data-carrier store, otherwise give up current data, then little processing enter enters deep sleep, wakes little processing enter up by inner sleep awakening control module again after the several seconds, continues new receiving course.
As preferably, comprise also that in the radio receiving transmitting module of described Path Recognition card a carrier wave detects control module, described carrier wave detects in the control module detection signal carrierfree, testing result is sent into little processing enter, and little processing enter determines whether to close at once radio receiving transmitting module according to testing result.
As preferably, in the main control chip of described Path Recognition card, also comprise data encryption module, described data encryption module links to each other with little processing enter, controlled by little processing enter piece.
As preferably, in the main control chip of described Path Recognition card, also comprise the operating voltage detection module, described operating voltage detection module links to each other with little processing enter, the operating voltage detection module, surveying work voltage also changes into data with voltage, data is embedded in the identification code of card and passes to radio receiving transmitting module together.
As preferably, little processing enter is 8051 single-chip microcomputers.
Described electronic route sign comprises main control chip, radio frequency matching circuit, antenna, the power-supplying circuit of clock oscillation circuit, data-storing chip, generation and transmit its identification; Wherein clock oscillation circuit, data-storing chip link to each other with the main control chip respectively, and power-supplying circuit links to each other with main control chip, data-storing chip respectively, and radio frequency matching circuit links to each other with the main control chip; It is characterized in that, also comprise rf power amplifier circuit, described rf power amplifier circuit is located between radio frequency matching circuit, the antenna, and to amplify wireless signal, power-supplying circuit also links to each other with rf power amplifier circuit; Produce the main control chip of identification information, obtain identification data from the data-storing chip, after encrypted combination, produce identification information and export radiofrequency signal to radio frequency matching circuit, after the radio frequency matching circuit impedance conversion, signal sends rf power amplifier circuit to, the rf power amplifier circuit amplifying signal is through antenna transmission.The rf power amplifier circuit of described electronic route sign is the high-frequency wideband amplifier circuit.The antenna of described electronic route sign is a gain directional antenna.
Described Path Recognition card write device, Path Recognition card readout equipment comprise clock oscillation circuit, data-storing chip, RS232 communication interface, main control chip, radio frequency matching circuit, antenna, feed circuit; Wherein clock oscillation circuit, data-storing chip, RS232 communication interface, radio frequency matching circuit link to each other with the main control chip respectively, power-supplying circuit links to each other with main control chip, data-storing chip, RS232 communication interface respectively, antenna links to each other with radio frequency matching circuit, it is characterized in that described main control chip comprises little processing enter, radio receiving transmitting module, data-carrier store, data decryption module, data recombination module, serial communication module; After described Path Recognition card write device, Path Recognition card readout equipment powered on, described Path Recognition card write device, Path Recognition card readout equipment enter waited for the reception duty.When read-write Path Recognition card, the signal of Path Recognition card is received by antenna, after the radio frequency matching circuit impedance conversion, gives the main control chip, behind main control chip solution read data and the recombination data, data are transferred to the PC computer of data processing centre (DPC) by the RS232 communication interface.The data of PC computer are also given the main control chip by the RS232 communication interface simultaneously, and the main control chip is transmitted to the Path Recognition card with data through radio frequency matching circuit, antenna.When the PC computer is issued an order, the mode of operation of described Path Recognition card write device, Path Recognition card readout equipment is set or when the path identification card operated, the order data of PC computer, give the main control chip by the RS232 communication interface, after the main control chip receives order data, according to order, the mode of operation that oneself is set maybe will be ordered by radio frequency matching circuit, antenna and will be transmitted to the Path Recognition card.
The method of a kind of highway networking ambiguous path identification comprises the steps:
1) Path Recognition card write device is installed in the porch at highway road junction; Path Recognition card readout equipment is installed in the exit at highway road junction; Electronic route sign is installed in the isolation strip of highway ambiguous path; The Path Recognition card is provided to the vehicle that sails freeway net into by the porch at highway road junction; Data processing centre (DPC), database are installed in the place, gateway at highway road junction;
2) Path Recognition card write device, Path Recognition card readout equipment are in the state of swiping the card of waiting for all the time; Electronic route sign is continuously launched mark information all the time; The Path Recognition card is in the gap and receives duty;
3) swipe the card on Path Recognition card write device when providing the Path Recognition card in the porch at highway road junction, and the result who swipes the card has made Path Recognition card recorded and stored and entered road junction title, car Taoist monastic name, time entry date, license plate number information;
When 4) the Path Recognition card is along with the electronic route sign on the vehicle process highway ambiguous path, the receiving record mark information;
When 5) vehicle is to the exit at high speed highway road junction, the Path Recognition card is given the exit at highway road junction, Path Recognition card readout equipment read be kept on the Path Recognition card enter road junction title, car Taoist monastic name, time entry date, the number-plate number, through the information in highway section, export information to data processing centre (DPC);
6) data processing centre (DPC) handles the data that receive, and calculates actual mileage, collects toll,, the clearance vehicle is saved in related data in the database.
7) data in data processing centre's statistical treatment database according to the actual flow in highway section, split the toll of having collected.
As preferably, described Path Recognition is to be in long-term dormant state before being stuck in granting, is in the gap after the granting and receives duty, after the withdrawal, receives duty by the gap again and changes long-term dormant state over to.
Beneficial effect of the present invention: this ambiguous path recognition system and recognition methods thereof are simple in structure, with low cost, easy to use, can with the supporting use of original highway tolling system, need not transform original Fare Collection System and equipment on a large scale, just can thoroughly solve the existing expressway tol lcollection and the problem of split of the profit, expressway tol lcollection administrative authority has saved large quantities of transformation fundses, solved problem again, benefit is very obvious.
Path Recognition card in this ambiguous path recognition system and the recognition methods thereof can be fit to writing down remote information in the high-speed mobile process, and power consumption is few, and the Path Recognition card can use for a long time, and does not need charging or change battery.
Electronic route sign in this ambiguous path recognition system and the recognition methods thereof can send wireless signal at a distance, like clockwork, and is simple in structure, easy to use.
Description of drawings
Fig. 1 is the overall plan block diagram of the ambiguous path recognition system in the embodiment of the invention 1;
Fig. 2 is the ambiguous path recognition system practical application synoptic diagram in the embodiment of the invention 1;
Fig. 3 is the schematic block circuit diagram of the Path Recognition card in the embodiment of the invention 1;
Fig. 4 is the principle of work block diagram of the main control chip of the Path Recognition card in the embodiment of the invention 1;
Fig. 5 is the circuit diagram of the Path Recognition card in the embodiment of the invention 1;
Fig. 6 is the schematic block circuit diagram of the electronic route sign in the embodiment of the invention 1;
Fig. 7 is the fundamental diagram of the main control chip of the electronic route sign in the embodiment of the invention 1;
Fig. 8 is the circuit diagram of the electronic route sign in the embodiment of the invention 1.
Embodiment
The present invention is further elaborated by embodiment below in conjunction with accompanying drawing:
Embodiment 1: shown in Fig. 1,2,3,4,5,6,7,8, a kind of highway networking ambiguous path recognition system comprises Path Recognition card, 2 electronic route signs, data processing centre (DPC), database, Path Recognition card write device, Path Recognition card readout equipment; Wherein Path Recognition card write device, Path Recognition card readout equipment, database link to each other with data processing centre (DPC), Path Recognition card and 2 electronic route signs, Path Recognition card write device, the wireless connections of Path Recognition card readout equipment;
Described Path Recognition card comprises shell, in the enclosure antenna, supplying cell, wiring board is set; Integrated outside wake-up control circuit 5, clock oscillation circuit 2, data-storing chip 3, main control chip 4, radio frequency matching circuit 1 on the described wiring board; Antenna, supplying cell link to each other with wiring board; Described main control chip 4 comprises 8051 single-chip microcomputers, radio receiving transmitting module, data-carrier store, inner sleep awakening control module, low frequency and low power consumption clock, clock alignment module, power management module, data encryption module, operating voltage detection module; Comprise also that in described radio receiving transmitting module a carrier wave detects control module;
Described electronic route sign is made up of main control chip 7, radio frequency matching circuit 8, high-level efficiency high-frequency wideband amplifier 11, gain directional antenna, the power-supplying circuit 10 of clock oscillation circuit 9, data-storing chip 6, generation and transmit its identification; Wherein clock oscillation circuit, data-storing chip link to each other with the main control chip respectively, and power-supplying circuit links to each other with main control chip, data-storing chip, rf power amplifier circuit respectively, and radio frequency matching circuit links to each other with the main control chip; Described high-level efficiency high-frequency wideband amplifier is located between radio frequency matching circuit, the gain directional antenna, to amplify wireless signal; Described main control chip comprises: little processing enter, and program data memory, radio receiving transmitting module, the operating voltage detection module produces the identification information module, data encryption module, power supply control and management; Little processing enter adopts 8051 single-chip microcomputers;
Described Path Recognition card write device, Path Recognition card readout equipment comprise clock oscillation circuit, data-storing chip, RS232 communication interface, main control chip, radio frequency matching circuit, antenna, feed circuit; Wherein clock oscillation circuit, data-storing chip, RS232 communication interface, radio frequency matching circuit link to each other with the main control chip respectively, feed circuit link to each other with main control chip, data-storing chip, RS232 communication interface respectively, antenna links to each other with radio frequency matching circuit, it is characterized in that described main control chip comprises little processing enter, radio receiving transmitting module, data-carrier store, data decryption module, data recombination module, serial communication module;
System work process: during from road junction Path Recognition card process electronic route sign, the also information of recorded electronic road sign wireless transmission is received in the Path Recognition clamping, by after the information that writes down in the Path Recognition card readout equipment read-out path identification card, output to data processing centre (DPC) and handle again.
After described Path Recognition card write device, Path Recognition card readout equipment power on, after carrying out necessary initialization, send " ticking " sound, represent that described Path Recognition card write device, Path Recognition card readout equipment have been in wait and have received duty.When Path Recognition is stuck in when swiping the card on described Path Recognition card write device, the Path Recognition card readout equipment, described Path Recognition card write device, Path Recognition card readout equipment detect swiping the card of Path Recognition card, trigger the Path Recognition card and enter duty, the Path Recognition card sends first group of data, being again as contact information, is again as useful data.The antenna receiving signal of described Path Recognition card write device, Path Recognition card readout equipment, give the radio receiving transmitting module of main control chip through radio frequency matching circuit, the radio receiving transmitting module of main control chip receives the back back information to the Path Recognition card, inform present mode of operation, simultaneously with the useful data that receives through the data decryption module decrypts, the data recombination module is reassembled into new packet, is transmitted to the PC computer of data processing centre (DPC) by the RS232 communication interface.The Path Recognition card sends corresponding intermediate data according to mode of operation, road information just, Path Recognition card information; Described Path Recognition card write device, Path Recognition card readout equipment RX path identification card information, and be decrypted, after the data recombination, be transmitted to the PC computer, at this moment, described Path Recognition card write device, Path Recognition card readout equipment, to keep on the one hand and the writing to each other of Path Recognition card, keep again on the other hand and the writing to each other of PC computer, and be that data are transmitted immediately, therefore bilateral communication must strictly keep synchronously.In order to shorten the time of communication, reduce the loss of the electric energy of Path Recognition card, the speed of communication is with the fastest communication speed of the Path Recognition card communication speed as whole communication.According to the mode of operation difference, the processing of last group data has nothing in common with each other.Be generalized into two classes: inquiry charge class and access mouth class, inquiry charge class, after final data finishes, the PC computer not by described Path Recognition card write device,, Path Recognition card readout equipment passes on road junction, time on date, number-plate number information to the Path Recognition card, and access mouth class, last PC also should pass on above data.
After described Path Recognition card powers on, described Path Recognition card enters the intermittence duty, provided by the low frequency and low power consumption clock off time, the clock alignment module is calibrated clock at any time, described antenna links to each other with radio receiving transmitting module through radio frequency matching circuit, radio receiving transmitting module is by the antenna receiving-sending signal, the control module that detects described carrier wave detects carrier-less signal, carrier signal is arranged, after radio receiving transmitting module continues to receive valid data for several times, close receiver module, valid data are imported 8051 single-chip microcomputers again, 8051 single-chip microcomputers are assessed the accuracy of the data that receive once more, after accurate, the data of receiving recently compare, identical think received, give up current data, inequality, think and receive new valid data, current data is saved in data-carrier store after, 8051 single-chip microcomputers enter deep sleep automatically.If radio receiving transmitting module is not received valid data, also close radio receiving transmitting module, 8051 single-chip microcomputers enter sleep state automatically, change sleep state over to after the several seconds, wake 8051 single-chip microcomputers up by inner sleep awakening control module again, begin new receiving course again.
When electronic route sign powers on, 8051 single-chip microcomputers in the main control chip are from program data memory loading procedure data and begin executive routine, after the necessary initialization, 8051 single-chip microcomputers begin testing voltage by the operating voltage detection module, and with after its digitizing, dynamically produce the data ID sign indicating number, obtain identification code from the program storage portions, again through producing the identification information module with voltage data, the highway section identification code, the data ID code weight newly makes up, after being encrypted by data encryption module, give radio receiving transmitting module, radio receiving transmitting module begins emission information, in case enter emission, just enter automatic retransmission state.And 8051 single-chip microcomputers begin to carry out counting procedure, when counting down to the regular hour, stop the emission work of radio receiving transmitting module, go testing voltage and digitizing once more, after again voltage data, highway section identification code, data ID code weight newly being made up and encrypt, give radio receiving transmitting module, radio receiving transmitting module begins emission information once more and retransmits automatically, constantly repeats above process like this.From the radiofrequency signal of main control chip output, give the radio-frequency power amplifier amplifying signal through radio frequency matching circuit, signal is launched through directional antenna, realizes that data transmit at a distance.
When vehicle enters the road junction, by the staff, the number-plate number is imported the P C computer of data processing centre (DPC), and Path Recognition is stuck on the Path Recognition card write device swipes the card, the result who swipes the card, at first wake the Path Recognition card up and enter duty, the Path Recognition card is with the identification code of Path Recognition card itself, Path Recognition card operating voltage data at that time, send to Path Recognition card write device, Path Recognition card write device receives data, and immediately with the PC archiving computer of data forwarding to data processing centre (DPC), the PC computer of data processing centre (DPC) judges that Path Recognition card operating voltage whether can operate as normal, if on the low sidely can not guarantee operate as normal, just give a warning, if can guarantee operate as normal, the PC computer of data processing centre (DPC) is with the number-plate number, instant date temporal information, road junction information sends to Path Recognition card write device, and above information is transmitted to the Path Recognition card by Path Recognition card write device, the Path Recognition clamping is received after the above data, preserve data, and the passback confirmation is to Path Recognition card write device, the Path Recognition card enters normal mark information search and receives duty, after Path Recognition card write device receives Path Recognition card back information, send " ticking " sound, the operation of expression access mouth is finished, the staff gives the vehicle driver with the Path Recognition card, the driver the Path Recognition card at will put onboard one local easily, sail highway into.When the intact path 1 of vehicle ', because of the driver personal preference, factor differences such as path distance, road conditions, each driver can select ambiguous path 1 or ambiguous path 2, we select ambiguous path 1 to travel, when vehicle was pressed highway cruising speed through ambiguous path 1, the Path Recognition card was noted the identification information of the other electronic route sign of road.Vehicle is 2 expressway exits that sail second ground into through the path again, the Path Recognition card that the staff returns the driver, swipe the card on described Path Recognition card readout equipment, the Path Recognition card sends to described Path Recognition card readout equipment with the information such as operating voltage of the mechanical, electrical sub-road sign of major-minor of electronic route sign on the number-plate number, card identification code, the highway section of blocking operating voltage, the road junction that enters, the date that enters, the time that enters, process, the highway section.After described Path Recognition card readout equipment receives, immediately be transmitted to the PC computer, the PC computer receive and handle errorless after, send order to the Path Recognition card by described Path Recognition card readout equipment, Path Recognition card removal data, and the passback confirmation then enters long-term dormant state to described Path Recognition card readout equipment.Described Path Recognition card readout equipment sends " ticking " sound after receiving back information, expresses road junction read data operation and finishes.The PC computer is transmitted to the information of the vehicle of PC computer through the path according to described Path Recognition card readout equipment, machine system computing as calculated, calculate receivable toll, and, the toll of collecting is split by the routing information that writes down, after correct the processing, erase the routing information on the Path Recognition card, prepare next time and use, described Path Recognition card readout equipment is handled above operation, send " ticking " sound, represent that information processing is finished.Clearance vehicle after the staff charges, vehicle leaves highway.

Claims (10)

1. a highway networking ambiguous path recognition system is characterized in that this system comprises Path Recognition card, a N electronic route sign, data processing centre (DPC), database, Path Recognition card write device, Path Recognition card readout equipment; Electronic route sign mainly comprises rf power amplifier circuit, and rf power amplifier circuit mainly is made up of the high-frequency wideband amplifier; Wherein Path Recognition card write device, Path Recognition card readout equipment, database link to each other with data processing centre (DPC), a Path Recognition card and N electronic route sign, Path Recognition card write device, the wireless connections of Path Recognition card readout equipment; Path Recognition card write device is responsible for writing information in the Path Recognition card, when Path Recognition is stuck in through electronic route sign, the Path Recognition card can receive the also information of recorded electronic road sign wireless transmission, again by after the information that writes down in the Path Recognition card readout equipment read-out path identification card, output to data processing centre (DPC) and handle, related data is saved in database.
2. highway networking ambiguous path recognition system according to claim 1 is characterized in that described Path Recognition card comprises shell, in the enclosure antenna, supplying cell, wiring board are set; Integrated outside wake-up control circuit, clock oscillation circuit, data-storing chip, main control chip, radio frequency matching circuit on the described wiring board; Antenna, supplying cell link to each other with wiring board; Described main control chip comprises little processing enter, radio receiving transmitting module, data-carrier store, inner sleep awakening control module, low frequency and low power consumption clock, clock alignment module, power management module; After described Path Recognition card powers on, described Path Recognition card enters the intermittence duty, provided by the low frequency and low power consumption clock off time, the clock alignment module is calibrated clock at any time, described antenna links to each other with radio receiving transmitting module through radio frequency matching circuit, by the radio receiving transmitting module antenna receiving signal, as not receiving useful signal, at once close radio receiving transmitting module, as receive useful signal, after will continuing to receive array data, close radio receiving transmitting module again, little processing enter is carried out validity to data and is judged, if effectively and be confirmed to be new data, is saved in data-carrier store, otherwise give up current data, then little processing enter enters deep sleep, wakes little processing enter up by inner sleep awakening control module again after the several seconds, continues new receiving course.
3. highway networking ambiguous path recognition system according to claim 2, it is characterized in that in the radio receiving transmitting module of described Path Recognition card, also comprising that a carrier wave detects control module, described carrier wave detects in the control module detection signal carrierfree, testing result is sent into little processing enter, and little processing enter determines whether to close at once radio receiving transmitting module according to testing result.
4. highway networking ambiguous path recognition system according to claim 3, it is characterized in that in the main control chip of described Path Recognition card, also comprising data encryption module, described data encryption module links to each other with little processing enter, controlled by little processing enter piece.
5. highway networking ambiguous path recognition system according to claim 4, it is characterized in that in the main control chip of described Path Recognition card, also comprising the operating voltage detection module, described operating voltage detection module links to each other with little processing enter, the operating voltage detection module, surveying work voltage also changes into data with voltage, data is embedded in the identification code of card and passes to radio receiving transmitting module together.
6. highway networking ambiguous path recognition system according to claim 5 is characterized in that the outside wake-up control circuit of Path Recognition card is operated in radio frequency band.
7. according to claim 1 or 6 described highway networking ambiguous path recognition systems, it is characterized in that described electronic route sign comprises main control chip, radio frequency matching circuit, rf power amplifier circuit, antenna, the power-supplying circuit of clock oscillation circuit, data-storing chip, generation and transmit its identification; Wherein clock oscillation circuit, data-storing chip link to each other with the main control chip respectively, and power-supplying circuit links to each other with main control chip, data-storing chip respectively, and radio frequency matching circuit links to each other with the main control chip; Rf power amplifier circuit, described rf power amplifier circuit are located between radio frequency matching circuit, the antenna, and to amplify wireless signal, power-supplying circuit also links to each other with rf power amplifier circuit; Produce the main control chip of identification information, obtain identification data from the data-storing chip, after encrypted combination, produce identification information and export radiofrequency signal to radio frequency matching circuit, after the radio frequency matching circuit impedance conversion, signal sends rf power amplifier circuit to, the rf power amplifier circuit amplifying signal is through antenna transmission.
8. highway networking ambiguous path recognition system according to claim 7, the rf power amplifier circuit of described electronic route sign mainly is made up of the high-frequency wideband amplifier.
9. highway networking ambiguous path recognition methods is characterized in that this recognition methods comprises the steps:
1) Path Recognition card write device is installed in the porch at highway road junction; Path Recognition card readout equipment is installed in the exit at highway road junction; Electronic route sign is installed in the isolation strip of highway ambiguous path; The Path Recognition card is provided to the vehicle that sails freeway net into by the porch at highway road junction; Data processing centre (DPC), database are installed in the place, gateway at highway road junction;
2) Path Recognition card write device, Path Recognition card readout equipment are in the state of swiping the card of waiting for all the time; Electronic route sign is continuously launched mark information all the time; The Path Recognition card is in the gap and receives duty;
3) swipe the card on Path Recognition card write device when providing the Path Recognition card in the porch at highway road junction, and the result who swipes the card has made Path Recognition card recorded and stored and entered road junction title, car Taoist monastic name, time entry date, license plate number information;
When 4) the Path Recognition card is along with the electronic route sign on the vehicle process highway ambiguous path, the receiving record mark information;
When 5) vehicle is to the exit at high speed highway road junction, the Path Recognition card is given the exit at highway road junction, Path Recognition card readout equipment read be kept on the Path Recognition card enter road junction title, car Taoist monastic name, time entry date, the number-plate number, through the information in highway section, export information to data processing centre (DPC);
6) data processing centre (DPC) handles the data that receive, and related data is saved in the database clearance vehicle.
7) data in data processing centre's statistical treatment database according to the actual flow in highway section, split data.
10. the method for a kind of highway networking ambiguous path according to claim 9 identification, it is characterized in that: described Path Recognition is to be in long-term dormant state before being stuck in granting, be in the gap after the granting and receive duty, after the withdrawal, receive duty by the gap again and change long-term dormant state over to.
CNB2006100503896A 2006-04-18 2006-04-18 Express highway network toll ambiguous path recognition system and recognition method thereof Expired - Fee Related CN100418109C (en)

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