CN1138657C - Electronic license tag system for cars - Google Patents
Electronic license tag system for cars Download PDFInfo
- Publication number
- CN1138657C CN1138657C CNB011072490A CN01107249A CN1138657C CN 1138657 C CN1138657 C CN 1138657C CN B011072490 A CNB011072490 A CN B011072490A CN 01107249 A CN01107249 A CN 01107249A CN 1138657 C CN1138657 C CN 1138657C
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- Prior art keywords
- electronic license
- cars
- antenna
- radio
- automobile electronic
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- Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
Abstract
The present invention provides an electronic license plate system for cars, which belongs to a communication system which can receive and transmit radio signals. The present invention is composed of an electronic license plate device for cars, and an electronic license plate detecting device for cars, wherein the electronic license plate device for cars comprises an antenna (18), an antenna switch (19), a radio frequency receiving component (20), a decoding module (21), a microcomputer module (25), a display module (22) and a radio frequency transmitting component (26); the electronic license plate detecting device for cars comprises a detector (4), an antenna (5), a photoelectric control device (3), a photoelectric control device (8), a computer host (6), a monitor (7) and an alarm device (9). The present invention can be used for quickly identifying and searching obvious characteristics of cars, and especially the cars which run; the present invention also has the functions of management, statistics and falsification prevention of marks for the cars.
Description
The invention belongs to the technical field of operating automobile being discerned and searching with electronic communication technology.
Social now, automobile is possessed enormous amount, and increases severely with day, many departments have proposed and will carry out quick identification and the problem of searching to automobile, such as, traffic police department will search in violation of rules and regulations or stolen automobile, and highway tolling system will be finished complicated charge task dispatching.In addition, license plate is made because prior art is the employing metal sheet as the legal sign equipment of automobile, exists easily to be forged and problem not easy to identify.
Purpose of the present invention is disclosed a kind of to automobile for the weak point that solves above-mentioned prior art existence just, especially the automobile in the motion is carried out electronic registration plate systems technology scheme quick, convenient and that discern cheaply and search.
The objective of the invention is to adopt following technical scheme to realize:
Form native system by automobile electronic license and automobile electronic license detecting device two parts, wherein automobile electronic license is made up of shell, LCDs, emission key, function key and circuit working plate; The automobile electronic license detecting device is made up of automobile electronic license detector, preposition photoelectric eye, rearmounted photoelectric eye, main frame, monitoring device, warning device.
The circuit structure of electronic registration plate is made up of antenna, antenna control, radio frequency receiving unit, decoder module, computer module, display apparatus module, sound module, incorporating IC card and radio-frequency transmissions assembly.Wherein, the radio frequency receiving unit is made up of radio frequency amplifier (RFA), frequency mixer, filter, intermediate amplifier, demoder; The radio-frequency transmissions assembly is made up of code generator, modulator, pusher, power amplifier, output matching device.
Detector in the automobile electronic license detecting device is made up of shell, monitor screen, keyboard, loud speaker, connection socket for antenna, computing machine socket, photoelectric eye socket and circuit working plate.Its circuit structure is made up of antenna control controller, radio frequency receiving unit, decoder module, computer module, radio-frequency transmissions assembly; The radio frequency receiving unit is made up of radio frequency amplifier (RFA), frequency mixer, filter, intermediate amplifier, demoder; The radio-frequency transmissions assembly is made up of code generator, modulator, pusher, power amplifier, output matching device.
Further set forth content of the present invention below in conjunction with drawings and Examples.
Fig. 1 is the fundamental diagram of system of the present invention;
Fig. 2 is the structural representation of automobile electronic license;
Fig. 3 is the circuit working plate schematic diagram of automobile electronic license;
Fig. 4 is the structural representation of automobile electronic license detector;
Fig. 5 is the circuit working plate schematic diagram of automobile electronic license detector.
The principle of work of electronic license tag system for cars as shown in Figure 1, automobile electronic license 1 is installed on the gauge panel of automobile 2, enter the detection zone of road when automobile 2, automobile 2 at first interdicts the light of the preposition photoelectric eye 3 in the automobile electronic license detecting device, thereby start electronic registration plate detector 4, at this moment, electronic registration plate detector 4 is launched one group of radio command signal by antenna 5 to automobile electronic license 1, and order automobile electronic license 1 emits the electronics sign indicating number of the built-in registration number form with radio signal.After automobile electronic license detector 4 receives this signal, this signal is transferred on the main frame 6, by computing machine this signal is discerned, stored and handles, and be presented on the monitoring device 7.When automobile 2 moves on the rearmounted photoelectric eye 8, interdict this light, thereby close electronic registration plate detector 4.In this process, if warning device 9 does not send alarm, automobile continues operation and passes through.If warning device 9 is reported to the police, then by after the obstruction facility 10 established tackle.
The surface structure of automobile electronic license as shown in Figure 2, it is made up of shell 11, LCDs 12, the license number 13 that is shown, the Chinese information 14 that is shown, emission key 15, function key 16, internal circuit working plate 17.The appearance and modeling of shell 11 can have various ways, for example rectangle or oval row etc., and its size is suitable with existing beeper.LCDs 12 not only can show license number 13, can also show the multiple Chinese information of being represented by Chinese character 14, and reading information can be realized by the page turning of function key 16.Pushing emission key 15 can launch the electronic code information of the electronic registration plate 1 inner registration number that is provided with as required.
The principle of work of automobile electronic license 1 as shown in Figure 3, it is a communication device that can receive with transmitted radio signal, and its circuit structure is connected to form by antenna 18, antenna control 19, radio frequency receiving unit 20, decoder module 21, display module 22, sound module 23, IC-card 24, computer module 25, radio-frequency transmissions assembly 26.Its basic functional principle is, when automobile during in operation, electronic registration plate is in running order.When command signal arrives, antenna 18 is incorporated into radio frequency receiving unit 20 by antenna control 19 with signal, obtain digital signal by decoder module 21, computer module 25 is under the commander of this digital command signal, according to the program of setting, the license plate electronics sign indicating number of storage in the IC-card 24 is accessed and launch through radio-frequency transmissions assembly 26 and antenna 18.Radio frequency receiving unit 20 is made up of radio frequency amplifier (RFA) 27, frequency mixer 28, filter 29, intermediate amplifier 30, demoder 31.Radio-frequency transmissions assembly 26 is made up of code generator 32, modulator 33, pusher 34, power amplifier 35 and output matching device 36.
The surface structure of electronic registration plate detector as shown in Figure 4, it is made up of a shell 37, connection socket for antenna 38, monitor screen 39, keyboard 40, loud speaker 41, photoelectric eye socket 42, computing machine socket 43 and support 44.
Electronic registration plate detector 4 also is a communication device that can transmit and receive radio signal, and its circuit structure as shown in Figure 5.Its principle of work is, after energising, this detector 4 is in readiness for action, and when detected automobile 2 during by preposition photoelectric eye 3, light is interdicted, and provides a signal, and this signal starts detector 4 by photoelectric eye interface 61.Computer module 45 accesses command signal from internal memory, and through code generator 46, modulator 47, pusher 48, power amplifier 49, output matching device 50 in the radio-frequency transmissions assembly 52, and through antennal interface 38 command signal is launched with the form of radiowave by antenna 5, supply with automobile electronic license 1 and receive.After automobile electronic license 1 receives this electric wave command signal, can resolve according to the rules, and under this command signal commander, the electronics sign indicating number of built-in license plate be launched with the form of radiowave, supply with electronic registration plate detector 4 and receive.Detector 4 is directed to radio frequency receiving unit 50 with this signal through antenna control 60 by antenna 5, make the signal after the demodulation enter decoder module 51, resolved is to show on monitor screen 39 through display module 58 after the digital signal, simultaneously, this signal is sent to main frame 6 by I/O interface 59 and compares, discerns and store, monitoring device 7 also carries out identical demonstration, and the vehicle that belongs to warning is carried out alarm by warning device 9 and loud speaker 41.The radio frequency receiving unit 50 of this detector 4 is made up of radio frequency amplifier (RFA) 53, frequency mixer 54, filter 55, intermediate amplifier 56, demoder 57.
Electronic registration plate 1 uses pocsag code or Flexible High Speed Paging to encode with electronic registration plate detector 4, and carries out work according to time division multiplexing mode.In the high level pulse period of time-division, electronic registration plate 1 is in emission state, and detector 4 is in receiving condition; And in the low level pulse period of time-division, detector 4 is in emission state, and electronic registration plate 1 is in receiving condition.
The present invention and prior art compare, and have to identify quick, convenient and at low cost and the characteristics of searching the vehicle in the motion, and it also has following remarkable characteristics simultaneously:
1, for stolen, lose or the vehicle of unlicensed can be searched fast;
2, for not examining annually, the non-payment expenses of taxation, not buying in accordance with regulations the known boards such as insurance, hit-and-run According to the violation vehicle of number, can search fast;
3, can add up vehicle flow;
4, can carry out formation transfer service and car-call service;
5, help vehicle management department to significantly improve operating efficiency;
6, improve the anti-counterfeiting performance of license plate.
Claims (7)
1, electronic license tag system for cars, be used for quick identification and search operating vehicle, it is characterized in that: the present invention is made up of automobile electronic license device and automobile electronic license detecting device two parts, and wherein the automobile electronic license device is made up of shell (11), LCDs (12), antenna (13), emission key (15), function key (16) and circuit working plate (17); The automobile electronic license detecting device is made up of electronic registration plate detector (4), antenna (5), photoelectric eye (3) and (8), main frame (6), monitoring device (7), warning device (9); Circuit working plate (17) is made up of antenna (18), antenna control (19), radio frequency receiving unit (20), decoder module (21), computer module (25), display apparatus module (22), sound module (23), incorporating IC card (24) and radio-frequency transmissions assembly (26).
2, system according to claim 1 is characterized in that: the radio frequency receiving unit (20) in the automobile electronic license is made up of radio frequency amplifier (RFA) (27), frequency mixer (28), filter (29), intermediate amplifier (30), demoder (31).
3, system according to claim 1 is characterized in that: the radio-frequency transmissions assembly (26) in the automobile electronic license is made up of code generator (32), modulator (33), pusher (34), power amplifier (35), output coupling (36).
4, system according to claim 1 is characterized in that: the detector in the automobile electronic license detecting device (4) is made up of outer cover (37), connection socket for antenna (38), monitor screen (39), keyboard (40), loud speaker (41), photoelectric controller socket (42), computing machine socket (43), circuit working plate (44).
5, system according to claim 4 is characterized in that: circuit working plate (44) is made up of antenna control controller (60), radio frequency receiving unit (50), decoder module (51), computer module (45), radio-frequency transmissions assembly (52).
6, system according to claim 5 is characterized in that: the radio frequency receiving unit (50) in the automobile electronic license detecting device is made up of radio frequency amplifier (RFA) (53), frequency mixer (54), filter (55), intermediate amplifier (56), demoder (57).
7, system according to claim 5 is characterized in that: the radio-frequency transmissions assembly (52) in the automobile electronic license detecting device is made up of code generator (46), modulator (47), pusher (48), power amplifier (49), output matching device (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011072490A CN1138657C (en) | 2001-03-15 | 2001-03-15 | Electronic license tag system for cars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011072490A CN1138657C (en) | 2001-03-15 | 2001-03-15 | Electronic license tag system for cars |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1305911A CN1305911A (en) | 2001-08-01 |
| CN1138657C true CN1138657C (en) | 2004-02-18 |
Family
ID=4656195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011072490A Expired - Fee Related CN1138657C (en) | 2001-03-15 | 2001-03-15 | Electronic license tag system for cars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1138657C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1216335C (en) | 2002-11-23 | 2005-08-24 | 董文明 | Motor vehicle identity anti-fake device and method |
| CN101251899B (en) * | 2007-11-02 | 2010-05-19 | 黎志强 | Automobile electronic license tag monitoring system |
| CN103465838A (en) * | 2013-06-28 | 2013-12-25 | 闫晗 | Anti-fake, anti-theft, anti-fake-license and novel motor vehicle license plate |
-
2001
- 2001-03-15 CN CNB011072490A patent/CN1138657C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1305911A (en) | 2001-08-01 |
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| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |