CN1037921C - Traffic administration system - Google Patents
Traffic administration system Download PDFInfo
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- CN1037921C CN1037921C CN94117983A CN94117983A CN1037921C CN 1037921 C CN1037921 C CN 1037921C CN 94117983 A CN94117983 A CN 94117983A CN 94117983 A CN94117983 A CN 94117983A CN 1037921 C CN1037921 C CN 1037921C
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- mounted device
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- base station
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Abstract
The present invention relates to a traffic vehicle management system which is composed of a vehicle device (1), a base station (2) and a control center (3), wherein the base station (2) is composed of a latching station (4), an exchange station and a coding station (6). Because the present invention adopts VHF to UHF of ordinary wireless electromagnetic waves as transmission media, the present invention can reliably work even when shielding objects are arranged between a signal reception end and a signal send end. Because the word mode of the base station (2) effectively overcomes the mutual interference among radio waves, the present invention has the advantages of work reliability, simple structure and easy implementation.
Description
The present invention relates to a kind of traffic administration system, belong to vehicular traffic ruuning situation detection and control and transport information transmission field.
At present, traffic administration system in the prior art some adopt infrared ray, ultrasound wave or microwave transmission medium to carry out wireless transmission and detection and control, as number of patent application be 88101784.1, name is called the disclosed technology of application for a patent for invention document of " electronic traffic police system ", adopts the infrared transmission medium to carry out wireless radio transmission and detection and control.This employing infrared ray, ultrasound wave or microwave are transmission medium, though have preferably directivity and implement than being easier to, but, because these transmission mediums have the character of straight line transmission, thereby between signal transmitting terminal and received signal end, shelter can not be arranged, otherwise will not receive signal, when implementing, will be subjected to many restrictions like this, if improve the reliability of work, its device structure will be very complicated.And for the management of vehicular traffic, carry out under the complex environment very much at one, adopting infrared ray, ultrasound wave or microwave is transmission medium, carry out work under this complex environment reliably is to be difficult to realize.Publication number is on Chinese patent literature: CN1065946A, a technical scheme that denomination of invention is " active collection is counted traffic control system " is disclosed, though in this scheme, proposed in traffic control system, can adopt the modulation radio magnetic wave as transmission medium, but in this technical scheme, but do not have the wave band of its employed modulation radio magnetic wave is limited, this not only is difficult to carry out, and easily general radio broadcasting or signal of communication is produced interference; In addition, in this technical scheme, control management system can only be to vehicle-mounted receiving actuator transfer instruction, and can not obtain the ruuning situation of this automobile by vehicle-mounted receiving actuator, so this technical scheme is still perfect inadequately.
The objective of the invention is: provide that a kind of easy enforcement, antijamming capability are strong, simple in structure, the traffic administration system of reliable operation, to overcome above-mentioned deficiency of the prior art.
The object of the present invention is achieved like this: it comprises car-mounted device (1), base station (2), control center (3), car-mounted device (1) is installed onboard, base station (2) is contained in by the traffic route, control center (3) is located in the vehicle supervision department, base station (2) can be extracted data and data storage is mail to control center (3) in the memory of base station (2) and with data from car-mounted device (1), base station (2) also can receive instruction and send instruction to car-mounted device (1) from control center (3), in car-mounted device (1) lining randomizer (7) is housed, each base station (2) is by locking station (4), switching station (5) and put sign indicating number station (6) and form, locking station (4) can launch block signal and transport information is given car-mounted device (1), after receiving block signal, car-mounted device (1) just can outwards not transmit, put sign indicating number station (6) to car-mounted device (1) transmitting base station code signal, car-mounted device (1) receives a number that will automatically lock randomizer behind the base station code of putting sign indicating number station (6) emission and the time code, and the random number of its base station code and time code and locking is stored in the memory, code and digital signal that switching station (5) emission is the same with time code, when the code of the random number of time code in the reservoir of car-mounted device (1) and locking and switching station (5) emission with when digital consistent, this car-mounted device (1) just is transmitted to switching station (5) with the relevant data of this car of being stored in its reservoir, switching station (5) with its data-storing that receives in the reservoir of switching station (5), when receiving the instruction of control center (3), switching station (5) is given control center (3) with the data transmission in the memory again; In car-mounted device (1) lining radio reception transmitter (8), memory (9), single chip microcomputer (10), urgent call switch (11), control circuit interface (12) and voice output interface (13) except that being housed, random generator (7) are housed also, the signal transmission of random generator (7), radio reception transmitter (8), memory (9), urgent call switch (11) control circuit interface (121) and voice output interface (13) is by single chip microcomputer (10) control, and control circuit interface (12) output signal is to the control circuit of automobile; Locking station (4) is by multi-path radio transmitter (23) and block signal generator (14) and transport information forwarder (22) formation, switching station (5) is by two cover radio reception transmitters (15), (16), many cover single chip microcomputers (17), modulator-demodular unit (18) and data are compiled storage single-chip microcomputer (19) and are constituted, putting sign indicating number station (6) is made of radio multichannel transmitter (20) and clock code generator (2), the signal of block signal generator (14) and transport information forwarder (22) is launched by multi-path radio transmitter (23), the receiving and transmitting signal of radio reception transmitter (15) is controlled by many covers single chip microcomputer (17), the signal of radio reception transmitter (16) compiles storage single-chip microcomputer (19) control by modulator-demodular unit (18) by data, data are compiled storage single-chip microcomputer (19) and are also controlled block signal generator (14), transport information forwarder (22), the signal transmission of clock code generator (21) and many cover single chip microcomputers (17), the signal of clock code generator (21) is launched by multi-path radio transmitter (20), the emissive power of radio reception transmitter (16) is 3W～12W, frequency of operation is 150MHz～400MHz, working method is FSK (being frequency deviation key control mode), radio reception transmitter (15), multi-path radio transmitter (23), (20) emissive power is 1mW～5mW, frequency of operation is 65MHz～75MHz, working method is FSK.
Owing to adopted technique scheme, the present invention compared with prior art, because having adopted the common radio magnetic wave of VHF～UHF is transmission medium, even so between received signal end and signal transmitting terminal, have shelter also can work reliably, and can not produce interference to general radio broadcasting or signal of communication, and because the locking station (4) of base station (2), switching station (5) and the working method of putting sign indicating number station (6) have overcome the phase mutual interference between the radiowave effectively, make not only reliable operation of the present invention, antijamming capability is strong, and it is simple in structure, implement easily, thereby realized purpose of the present invention; In addition, the present invention also has the advantage that control center and car-mounted device can obtain information mutually.
Accompanying drawing 1 is a principle schematic of the present invention;
Accompanying drawing 2 is the block diagram of base station of the present invention (2);
Accompanying drawing 3 is the block diagram of car-mounted device of the present invention (3).
Further specify embodiments of the invention below in conjunction with accompanying drawing:
The present invention is by car-mounted device (1), base station (2), control center (3) forms, control center (3) is made of computer network and data transmission set in the present embodiment, computer network adopts the Novell multiple-user network, the model of single-chip microcomputer is 8751, car-mounted device (1) is installed onboard, in the memory of car-mounted device (1), write down the trade mark of entrucking to some extent and each relevant data of this car situation, base station (2) are contained in by the traffic route, base station (2) can be extracted data and its data storage is mail to control center (3) in the memory of base station (2) and with data from car-mounted device (1), base station (2) also can receive instruction and send its instruction to car-mounted device (1) from control center (3), control center (3) is located in the vehicle supervision department, in car-mounted device (1) lining randomizer (7) is housed, each base station (2) is by locking station (4), switching station (5) and put sign indicating number station (6) and form, locking station (4) can launch block signal and transport information is given car-mounted device (1), after receiving block signal, car-mounted device (1) just can outwards not transmit, put sign indicating number station (6) to car-mounted device (1) transmitting base station code signal, car-mounted device (1) receives a number that will automatically lock randomizer behind the base station code of putting sign indicating number station (6) emission and the time code, and the random number of its base station code and time code and locking is stored in the memory, code and digital signal that switching station (5) emission is the same with time code, when the code of the random number of time code in the memory of car-mounted device (1) and locking and switching station (5) emission with when digital consistent, this car-mounted device (1) just is transmitted to switching station (5) with the relevant data of this car of being stored in its memory, switching station (5) with its data storage that receives in the memory of switching station (5), when receiving the instruction of control center (3), switching station (5) is given control center (3) with the data transmission in the memory again; In car-mounted device (1) lining radio reception transmitter (8), memory (9), single chip microcomputer (10), urgent call switch (11), control circuit interface (12) and voice output interface (13) except that being housed, random generator (7) are housed also, the signal transmission of random generator (7), radio reception transmitter (8), memory (9), urgent call switch (11), control circuit interface (12) and voice output interface (13) is by single chip microcomputer (10) control, and control circuit interface (21) output signal is to the control circuit of automobile; Locking station (4) is by multi-path radio transmitter (23) and block signal generator (14) and transport information forwarder (22) formation, switching station (5) is by two cover radio reception transmitters (15), (16), many cover single chip microcomputers (17), modulator-demodular unit (18) and data are compiled storage single-chip microcomputer (19) and are constituted, putting sign indicating number station (6) is made of radio multichannel transmitter (20) and clock code generator (12), the signal of block signal generator (14) and transport information forwarder (22) is launched by multi-path radio transmitter (23), the receiving and transmitting signal of radio reception transmitter (15) is controlled by many covers single chip microcomputer (17), the signal of radio reception transmitter (16) is compiled by data by modulator-demodular unit (18) stores single-chip microcomputer (19) control, data are compiled storage single-chip microcomputer (19) and are also controlled block signal generator (14), transport information forwarder (22), the signal transmission of clock code generator (21) and many cover single chip microcomputers (17), the signal of clock code generator (21) is launched by multi-path radio transmitter (20), the emissive power of radio reception transmitter (16) is 5W, frequency of operation is got 150MHz, working method is FSK, radio reception transmitter (15), multi-path radio transmitter (23), (20) emissive power is 3mW, frequency of operation is 70MHz, working method is FSK.
Claims (3)
1. traffic administration system, it comprises car-mounted device (1), base station (2), control center (3), car-mounted device (1) is installed onboard, base station (2) is contained in by the traffic route, control center (3) is located in the vehicle supervision department, base station (2) can be extracted data and be mail to control center (3) with its data storage with data from car-mounted device (1), base station (2) also can receive instruction and send its instruction to car-mounted device (1) from control center (3), it is characterized in that: randomizer (7) is housed in car-mounted device (1) lining, base station (2) is by locking station (4), switching station (5) and put sign indicating number station (6) and form, locking station (4) can launch block signal and transport information is given car-mounted device (1), after receiving block signal, car-mounted device (1) just can outwards not transmit, put sign indicating number station (6) to car-mounted device (1) transmitting base station code and time code signal, car-mounted device (1) receives a number that will automatically lock randomizer behind the base station code of putting sign indicating number station (6) emission and the time code signal, and the random number of its base station code and time code and locking is stored in the memory, code and digital signal that switching station (5) emission is the same with time code, when the code of the random number of time code in the memory of car-mounted device (1) and locking and switching station (5) emission with when digital consistent, this car-mounted device (1) just is transmitted to switching station (5) with the relevant data of this car of being stored in its memory, switching station (5) with its data-storing that receives in memory, when receiving the instruction of control center (3), switching station (5) is given control center (3) with the data transmission in the memory again.
2, the traffic administration system according to claim 1, it is characterized in that: locking station (4) are by multiple transmitting set (23) and block signal generator (14) and transport information forwarder (22) formation, switching station (5) is by two cover radio reception transmitters (15) (16), many cover single chip microcomputers (17), modulator-demodular unit (18) and data are compiled storage single-chip microcomputer (19) and are constituted, putting sign indicating number station (6) is made of radio multichannel transmitter (20) and clock code generator (21), the signal of block signal generator (14) and transport information forwarder (22) is launched by multi-path radio transmitter (23), the receiving and transmitting signal of radio reception transmitter (15) is controlled by many covers single chip microcomputer (17), the signal of radio reception transmitter (16) is compiled by data by modulator-demodular unit (18) stores single-chip microcomputer (19) control, data are compiled storage single-chip microcomputer (19) and are also controlled block signal generator (14), transport information forwarder (22), the signal transmission of clock code generator (21) and many cover single chip microcomputers (17), the signal of clock code generator (21) is launched by multi-path radio transmitter (20), the emissive power of radio reception transmitter (16) is 3W～12W, frequency of operation is 150MHz～400MHz, working method is FSK, radio reception transmitter (15), the emissive power of multi-path radio transmitter (23) (20) is 1mW～5mW, frequency of operation is 65MHz～75MHz, working method is FSK.
3. the traffic administration system according to claim 1, it is characterized in that: radio reception transmitter (8) also is housed except that randomizer (7) is housed in car-mounted device (1) lining, memory (9), single chip microcomputer (10), urgent call switch (11), control circuit interface (12) and voice output interface (13), randomizer (7), radio reception transmitter (8), memory (9), urgent call switch (11), the signal transmission of control circuit interface (12) and voice output interface (13) is by single chip microcomputer (10) control, and control circuit interface (12) output signal is to the control circuit of automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94117983A CN1037921C (en) | 1994-11-15 | 1994-11-15 | Traffic administration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94117983A CN1037921C (en) | 1994-11-15 | 1994-11-15 | Traffic administration system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1123439A CN1123439A (en) | 1996-05-29 |
| CN1037921C true CN1037921C (en) | 1998-04-01 |
Family
ID=5038609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94117983A Expired - Fee Related CN1037921C (en) | 1994-11-15 | 1994-11-15 | Traffic administration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1037921C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100372266C (en) * | 2002-02-23 | 2008-02-27 | Lg-北电株式会社 | Service method of passenger information system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100385468C (en) * | 2004-02-18 | 2008-04-30 | 中华电信股份有限公司 | Intelligent traffic management system and its management method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4408179A (en) * | 1979-03-26 | 1983-10-04 | Nissan Motor Company, Limited | Communications system for automotive vehicles |
| CN1036090A (en) * | 1988-03-26 | 1989-10-04 | 陈锐贤 | Electronic traffic police system |
| CN1065946A (en) * | 1991-04-18 | 1992-11-04 | 姚亦鸣 | Active traffic controlling system |
-
1994
- 1994-11-15 CN CN94117983A patent/CN1037921C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4408179A (en) * | 1979-03-26 | 1983-10-04 | Nissan Motor Company, Limited | Communications system for automotive vehicles |
| CN1036090A (en) * | 1988-03-26 | 1989-10-04 | 陈锐贤 | Electronic traffic police system |
| CN1065946A (en) * | 1991-04-18 | 1992-11-04 | 姚亦鸣 | Active traffic controlling system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100372266C (en) * | 2002-02-23 | 2008-02-27 | Lg-北电株式会社 | Service method of passenger information system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1123439A (en) | 1996-05-29 |
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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 |