CN1060606C - City safe guard information system - Google Patents
City safe guard information system Download PDFInfo
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- CN1060606C CN1060606C CN97119134A CN97119134A CN1060606C CN 1060606 C CN1060606 C CN 1060606C CN 97119134 A CN97119134 A CN 97119134A CN 97119134 A CN97119134 A CN 97119134A CN 1060606 C CN1060606 C CN 1060606C
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Abstract
The present invention relates to a city safe guard information system which is composed of a microwave sensor, an index communication network and a terminal central station, wherein the index communication network comprises a branch for receiving and transmitting a signal of a higher station, a branch for receiving a control command transmitted from the direction of the central station and a branch for receiving an alarm signal of the microwave sensor, loading the control command and modulating microwaves. The terminal central station is a two-way receiving and transmitting communication network terminal. The present invention is the wide-band and digital and analog compatible microwave transmission system, and the present invention can transmit information in two ways. The present invention has the functions of no interference, economy and capability of transmitting a wide frequency band television image.
Description
The present invention relates to a kind of city safe guard information system that utilizes microwave communication and computer combination.
Existing antitheft, robbery-defence alarm generally is made of jointly alarm transmission device and local telephone communication net.When the robber has been taken place, robbed bank, when place such as hotel, warehouse and motor vehicles, can incidence of criminal offenses information be sent to the police or predefined telephone terminal exactly by the local telephone communication net, for the criminal that investigates and apprehend quickly and efficiently of the police provides powerful guarantee technically.But traditional antitheft, anti-misfortune city safe guard device has following shortcoming: the first needs the Local Network as means of communication, influences telephone wire and normally uses, and increases user's financial burden; It two is can only the one way propagation warning message, and oppositely transfer control instruction; It three is to utilize the Local Network can only transmit the low frequency arrowband, and is limited to digital signal.
The purpose of this invention is to provide a kind of microwave transmission broadband, DA compatibility of utilizing, and city safe guard information system that can two-way transmission information.
A kind of city safe guard information system, it is made up of microwave remote sensor (1), position mark communication network (2), (3) and terminal center station; Described microwave remote sensor (1) is stolen, is robbed transducer (8), controller (9), modulator (10) and the transmitter (11) of danger signal and forms by detecting; Central station is by the network terminal (4), (5), and electronic chart (6) and customer database (7) are formed; It is characterized in that: position mark communication network comprises: transmission that is connected successively and reception antenna (12), amplifier (13), power division amplifier (14), power division amplifier (15), transmission and reception antenna (16); This branch road can receive the station signal and be emitted to the terminal center station; Another output of described power division amplifier (15) is connected with an input of filter (17), amplifier (18) and another power division amplifier (19) successively, but the control command that receiving terminal central station direction transmits, and divide a route demodulator (22), decoder (23) and transmitter (24) and antenna (25) that control command is launched another routing amplifier (20), filter (21), transmission and reception antenna (12) by described power division amplifier (19), this control command is mail to the next stop; The antenna (29) that receives the microwave remote sensor alarm signal is connected with antenna (16) successively with receiver (28), modulator (27), emission upconverter (26), power division amplifier (14), power division amplifier (15), single-chip microcomputer signal processor (30) is connected with modulator (27), be used for the load instructions signal, local oscillation circuit (31) is connected with emission upconverter (26), and alarm signal is loaded on the microwave of preset frequency; This branch road can receive the User Alarms signal and mail to the terminal center station, and described terminal center station is two-way reception, emission communication network terminal, comprises that also a downlink signaling produces circuit (5); Described microwave emission sensor can be sensitive to vibration, temperature, voltage, pressure.
The present invention compares with traditional city safe guard information system, has the following advantages:
1. dedicated network, interference-free, good in economic efficiency;
2. have two-way controlled function, can send instruction by central station, the controlled microwave emission sensor is carried out and is taken precautions against action.As: connect warning facility, locked antitheft door is cut off the electricity supply etc.;
3. native system can transmit wide band television image, and it is more extensive to make it purposes and function.
The drawing explanation:
Fig. 1 is the theory diagram of city safe guard information system provided by the present invention
Fig. 2 is the microwave emission sensor theory diagram of city safe guard information system provided by the present invention;
Fig. 3 is the position mark information bidirectional communication network theory diagram of city safe guard information system provided by the present invention.
A kind of city safe guard information system, it is made up of microwave remote sensor (1), position mark communication network (2), (3) and terminal center station; Described microwave remote sensor (1) is stolen, is robbed transducer (8), controller (9), modulator (10) and the transmitter (11) of danger signal and forms by detecting; Central station is by the network terminal (4), (5), and electronic chart (6) and customer database (7) are formed; It is characterized in that: position mark communication network comprises: transmission that is connected successively and reception antenna (12), amplifier (13), power division amplifier (14), power division amplifier (15), transmission and reception antenna (16); This branch road can receive the station signal and be emitted to the terminal center station; Another output of described power division amplifier (15) is connected with an input of filter (17), amplifier (18) and another power division amplifier (19) successively, but the control command that receiving terminal central station direction transmits, and divide a route demodulator (22), decoder (23) and transmitter (24) and antenna (25) that control command is launched another routing amplifier (20), filter (21), transmission and reception antenna (12) by described power division amplifier (19), this control command is mail to the next stop; The antenna (29) that receives the microwave remote sensor alarm signal is connected with antenna (16) successively with receiver (28), modulator (27), emission upconverter (26), power division amplifier (14), power division amplifier (15), single-chip microcomputer signal processor (30) is connected with modulator (27), be used for the load instructions signal, local oscillation circuit (31) is connected with emission upconverter (26), and alarm signal is loaded on the microwave of preset frequency; This branch road can receive the User Alarms signal and mail to the terminal center station, and described terminal center station is two-way reception, emission communication network terminal, comprises that also a downlink signaling produces circuit (5); Described microwave emission sensor can be sensitive to vibration, temperature, voltage, pressure.
Working method of the present invention mainly contains a mark station and dead point is reported to the police, the station is marked in the position and moving point is reported to the police two kinds.The station is marked in the position and dead point is reported to the police in (as bank, hotel) and the communication of central station is to utilize microwave network to set up, the system works principle: be various alarm sensors also can oppositely be controlled alarm point again by the central station computer display alarm information by micro-filtration network and central station contact strick precaution action.Wherein transducer can be various antitheft, anti-the antitheft of signal or family of bank, the fire prevention rescue information of robbing on the vehicle.The controller 9 of above-mentioned transducer 8 can be video camera or vehicle control element.Native system adopts the 770M transceiver, and is main with the real channel device of seeing short haul connection of micropower, makes some warning and locatees and do not have the dead point alarm signal of telephone wire to transmit, and also can adopt the 480MH transceiver, satisfies the requirement of different user.
Moving point is reported to the police, and mainly is automobile.This alarm is called car alarm, can network, and can be used as the personal automobile alarm of independent use again.Under alert status, open car door, startup automobile or dilatory automobile and all will trigger alarm.When automobile was robbed, the driver can step on flush type switch or give the alarm by remote control keys; The also available remote controller of driver is realized functions such as automobile flameout parking as required.After the automobile driver leaves car or indoor unmanned when stolen, or when automobile or indoor the robbery, the password that system is about to alarm point is sent to central station with microwave network, or be sent to the station (secondary center station) that distributes with antenna, be sent to central station by the station that distributes again, after central station is received alarm cipher, immediately with the (automobile: for information about of alarm signal as vehicle, color, license plate number, the position, time, date, indoor: as the address, number, attribute-warehouse, bank, the householder, time, date) is presented on the screen, and alarm sound is arranged, and follow the tracks of the travel route of stolen vehicle.The data at everybody mark station of two networks of native system transmission enter the receiving center of central station, and the distance of every some distribution is not more than 300M, and greater than 2KM, transmitting power is greater than 10MW to secondary center station transmitting range for mark station, position, EIRP＞1W.Microwave communication network receiving center: receive each microwave signal at station that distributes, and flow to central station, sensitivity: NF≤2.5db, bandwidth: ± 0.1MHZ and ± two groups of 8MHZ, gain＞20db and 50db, frequently surely＜10
-6Microwave communication network repeater station transmits the microwave signal at everybody mark station to center receiving station, the various instructions at receiving center station, transmit the surveillance television signal, emission control vehicle signal, repeating power 10dbm, 20dbm, each level of 30dbm, emissioning controling signal level 720dbm emission surveillance television signal level＞20dbm, 30dbm.
Claims (1)
1. city safe guard information system, it is made up of microwave remote sensor (1), position mark communication network (2), (3) and terminal center station; Described microwave remote sensor (1) is stolen, is robbed transducer (8), controller (9), modulator (10) and the transmitter (11) of danger signal and forms by detecting; Central station is by the network terminal (4), (5), and electronic chart (6) and customer database (7) are formed; It is characterized in that: position mark communication network comprises: transmission that is connected successively and reception antenna (12), amplifier (13), power division amplifier (14), power division amplifier (15), transmission and reception antenna (16); This branch road can receive the station signal and be emitted to the terminal center station; Another output of described power division amplifier (15) is connected with an input of filter (17), amplifier (18) and another power division amplifier (19) successively, but the control command that receiving terminal central station direction transmits, and divide a route demodulator (22), decoder (23) and transmitter (24) and antenna (25) that control command is launched by described power division amplifier (19), another routing amplifier (20), filter (21), transmission and reception antenna (12) mail to the next stop with this control command; The antenna (29) that receives the microwave remote sensor alarm signal is connected with antenna (16) successively with receiver (28), modulator (27), emission upconverter (26), power division amplifier (14), power division amplifier (15), single-chip microcomputer signal processor (30) is connected with modulator (27), be used for the load instructions signal, local oscillation circuit (31) is connected with emission upconverter (26), and alarm signal is loaded on the microwave of preset frequency; This branch road can receive the User Alarms signal and mail to the terminal center station, and described terminal center station is two-way reception, emission communication network terminal, comprises that also a downlink signaling produces circuit (5); Described microwave emission sensor can be sensitive to vibration, temperature, voltage, pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97119134A CN1060606C (en) | 1997-10-14 | 1997-10-14 | City safe guard information system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97119134A CN1060606C (en) | 1997-10-14 | 1997-10-14 | City safe guard information system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1214589A CN1214589A (en) | 1999-04-21 |
| CN1060606C true CN1060606C (en) | 2001-01-10 |
Family
ID=5175215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97119134A Expired - Fee Related CN1060606C (en) | 1997-10-14 | 1997-10-14 | City safe guard information system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1060606C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2130276Y (en) * | 1992-02-17 | 1993-04-21 | 区剑波 | Household jonit-defence type anti-theft alarming device |
| CN1102740A (en) * | 1993-11-11 | 1995-05-17 | 黑龙江省无线电一厂 | Alarm system utilizing telephone line calling service for transmitting signal |
| CN2264448Y (en) * | 1996-05-07 | 1997-10-08 | 张维 | Multifunctional alarm |
-
1997
- 1997-10-14 CN CN97119134A patent/CN1060606C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2130276Y (en) * | 1992-02-17 | 1993-04-21 | 区剑波 | Household jonit-defence type anti-theft alarming device |
| CN1102740A (en) * | 1993-11-11 | 1995-05-17 | 黑龙江省无线电一厂 | Alarm system utilizing telephone line calling service for transmitting signal |
| CN2264448Y (en) * | 1996-05-07 | 1997-10-08 | 张维 | Multifunctional alarm |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1214589A (en) | 1999-04-21 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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 |