CN2364487Y

CN2364487Y - Moving object GPS navigation monitoring and alarm device

Info

Publication number: CN2364487Y
Application number: CN 99200873
Authority: CN
Inventors: 邓穗; 刘晖; 童庆
Original assignee: Juntai Sci & Tech Dev Co Ltd Beijing
Current assignee: Juntai Sci & Tech Dev Co Ltd Beijing
Priority date: 1999-01-25
Filing date: 1999-01-25
Publication date: 2000-02-16
Anticipated expiration: 2009-01-25

Abstract

The utility model relates to a moving target GPS navigation monitoring and alarming device, which relates to global positioning navigation system GPS technique, and is suitable for the navigation monitoring and alarming devices of vehicles such as cash transport vans, fire brigade vehicles, ambulance cars, postal cars, governmental and civil cars and vessels, etc. The utility model aims at utilizing global positioning satellite GPS signals and the existing GSM communication networks to develop a moving target GPS navigation, monitoring and alarming device with the advantages of low investment and easy popularization. The device comprises a GPS receiver, a level translator A, a micro computer, a level translator B and C and a wireless dedicated modem, which are arranged on a moving target. The utility model has the advantages of low investment and high security, and can realize nation-wide roaming.

Description

Monitoring of moving target GPS navigation and warning device

The utility model relates to global positioning system GPS (Navigation Satellite Timing andRanging/Global Positioning System) technology, is applicable to navigation, monitoring and the warning device of the vehicles such as armoured van, fire truck, ambulance, postal car, government and civilian car and boat.

Since the U.S. successfully launches many HA Global Positioning Satellite, provide since the free satellite-signal service, global location navigational system GPS development is very rapid.Yet, a lot of systems rebulid the base station because of needs, the application frequency, there is expensive height in self-built independently ground communications net, and the transmission data security is poor, region district net is difficult to defectives such as transregional networking, and be difficult to popularize aspect civilian, cause China's vehicle incidence of cases stolen and that lose accidents such as monitoring of going out to continue highly, hide some dangers for to public security and production management.

The utility model purpose is to utilize HA Global Positioning Satellite gps signal and existing global system for mobile communications GSM (Global System for Mobile Communvcations) communication network, and moving target GPS navigation, monitoring and warning device that the reduced investment of exploitation is easily popularized.

The utility model purpose is achieved in that

A kind of moving target GPS navigation, monitoring and warning device, it is characterized in that this device comprises the GPS receiver, level translator A, micro computer, level translator B and C, and utilize the short message service of GSM net and the wireless dedicated modem of control and command central transmission data; And be contained on the moving target; GPS receiver output terminal is connected with the micro computer input end through level translator A; Other input/output terminals of micro computer connect the wireless dedicated modem that utilizes GSM net and control and command central transmission data again through level translator B and C.

In conjunction with the accompanying drawings, further specify the utility model content

Fig. 1 application synoptic diagram of the present utility model;

Fig. 2 the utility model level translator A circuit diagram;

Fig. 3 the utility model level translator B and C circuit diagram.

Fig. 1 is the application schematic diagram of moving object GPS navigation, monitoring and warning device. This device comprises the GPS receiver, Level translator A, micro computer, level translator B and C, and wireless dedicated modem; And be contained in mobile order Put on. GPS receiver output is connected with the micro computer input through level translator A; Other input/output terminals of micro computer Through level translator B and C, connect the wireless dedicated modem that utilizes GSM net the transmission of data again.

The gps signal of different HA Global Positioning Satellites more than three that the GPS receiver receives carries out electricity through level translator A Flat turn and change, pass to micro computer again and position signal and process, what draw in real time is equipped with the utility model moving target Geographic position data. These geographic position datas carry out level conversion through level translator B, pass to wireless special use again Modem; With these geographic position datas, via existing GSM communication system, pass in the control and command at last The heart. Meanwhile, also can pass to monitoring to signals such as the running status of moving target, robbed or burgled emergency by this process refers to Wave the center. On the contrary, geographical position and command signal also can be sent to controlled moving target in the control and command center, through GSM Communication system returns to wireless dedicated modem, carries out level conversion with level translator B and C again, gives little electricity Brain. Command signal is carried out after processing through micro computer again. Again mobile by other external equipment demonstration and the control of micro computer The point; Thereby realize the duplex signaling mode. Be provided with in the micro computer moving target customer data base and geographic position data storehouse, The process software of the data such as electronic chart and command signal.

Fig. 2 is the utility model level translator A circuit diagram. This converter A comprises IC 1 and element on every side thereof; Input pin 19 and the GPS receiver output of IC 1 join, and the output pin 10 of IC1 is through RS-232 serial ports and little Computer is connected; The pin 26 and 22 of IC1 connects+5 volts of power supplys, and power supply connects LED light through resistance R, pin 25 Hes of IC1 23 ground connection, the

27 and 3 of IC1 are distinguished the cross-over connection electricity respectively through capacity earth between the pin 1 and 2 of IC1 and between 28 and 24 Hold.

This converter A will finish the mutual conversion between Transistor-Transistor Logic level and the RS232 interface level.

Fig. 3 is the utility model level translator B and C circuit diagram.This converter B comprises integrated circuit (IC) 2 and element on every side thereof, the input pin 4 of integrated circuit (IC) 2,5 and 6, be connected with micro computer through the RS232 interface and (promptly send data TXD, data terminal is prepared DTR, request sends the RTS signal), the output pin 9 of IC2,10 and 11, through RS232 interface be connected with micro computer (being that carrier wave detects DCD, ring indication RI, clear to send cts signal), several input pins 12 in addition of IC2,13 and 14 to be connected with wireless dedicated modem (be RI, DCD, cts signal), several output pins 19 in addition of IC2,18 and 17 to be connected with wireless dedicated modem (be TXD, DTR, the RTS signal); The pin 26 and 22 of IC2 connects+5 volts of power supplys, and power supply connects LED light through resistance R 1, the pin 25 of IC2 and 23 ground connection, and the

27 and 3 of IC2 is distinguished cross-over connection electric capacity respectively through capacity earth between the pin 1 and 2 of IC2 and between 28 and 24.

This converter B will finish the mutual conversion between Transistor-Transistor Logic level and the RS232 interface level.

Converter C comprises integrated circuit (IC) 3 and element on every side thereof; The

input pin

12 and 14 of integrated circuit (IC) 3, wireless dedicated modem are connected (be that data equipment is prepared DSR, receive data RXD signal), and the output pin 9 and 11 of IC3 is connected (being DSR, the RXD signal) with the RS232 interface.The pin 26 and 22 of IC3 connects+5 volts of power supplys, and power supply connects LED light through resistance R 1, the pin 25 of IC3 and 23 ground connection, and the

27 and 3 of IC3 is distinguished cross-over connection electric capacity respectively through capacity earth between the pin 1 and 2 of IC3 and between 28 and 24.

This converter C will finish the conversion between Transistor-Transistor Logic level and the RS232 interface level.

The utility model advantage:

Small investment is easily popularized, and strong security can realize whole nation roaming under the condition that the GSM network allows.

The GRS of embodiment Jitong moving target navigation monitoring and warning device.

Integrated circuit (IC) 1, IC2, IC3 model all adopt MAX3241; With 8 channel parallel GPS receivers.

Adopt voltage changer 7805, make 5 volts of its outputs.

Claims

1, a kind of moving target GPS navigation monitoring and warning device, it is characterized in that this device comprises the GPS receiver, level translator A, micro computer, level translator B and C, and utilize the short message service of GSM net and the wireless dedicated modem of control and command central transmission data; And be contained on the moving target; GPS receiver output terminal is connected with the micro computer input end through level translator A; Other input/output terminals of micro computer connect the wireless dedicated modem that utilizes GSM net and control and command central transmission data again through level translator B and C.

2, navigation monitoring according to claim 1 and warning device is characterized in that described converter A comprises integrated circuit (IC) 1 and element on every side thereof; The input pin 19 and the GPS receiver output terminal of integrated circuit (IC) 1 join, and the output pin 10 of IC1 is connected with micro computer through the RS-232 serial ports; The pin 26 and 22 of IC1 connects+5 volts of power supplys, and power supply connects LED light through resistance R, the pin 25 of IC1 and 23 ground connection, and the pin 27 and 3 of IC1 is distinguished cross-over connection electric capacity respectively through capacity earth between the pin 1 and 2 of IC1 and between 28 and 24.

3, navigation monitoring according to claim 1 and warning device, it is characterized in that described converter B comprises integrated circuit (IC) 2 and element on every side thereof, the input pin 4 of integrated circuit (IC) 2,5 and 6, being connected with micro computer through the RS232 interface (is TXD, DTR, the RTS signal), the output pin 9 of IC2,10 and 11, through the RS232 interface be connected with micro computer (be DCD, RI, cts signal), several input pins 12 in addition of IC2,13 and 14 are connected (being RIDCD, cts signal) with wireless dedicated modem, several output pins 19 in addition of IC2,18 and 17 to be connected with wireless dedicated modem (be TXD, DTR, the RTS signal); The pin 26 and 22 of IC2 connects+5 volts of power supplys, and power supply connects LED light through resistance R 1, the pin 25 of IC2 and 23 ground connection, and the pin 27 and 3 of IC2 is distinguished cross-over connection electric capacity respectively through capacity earth between the pin 1 and 2 of IC2 and between 28 and 24.

4, navigation monitoring according to claim 1 and warning device is characterized in that described converter C comprises integrated circuit (IC) 3 and element on every side thereof; The input pin 12 and 14 of integrated circuit (IC) 3, be connected with wireless dedicated modem (being DSR, the RXD signal), the output pin 9 and 11 of IC3 is connected (being DSR, the RXD signal) with the RS232 interface.The pin 26 and 22 of IC3 connects+5 volts of power supplys, and power supply connects LED light through resistance R 1, the pin 25 of IC3 and 23 ground connection, and the pin 27 and 3 of IC3 is distinguished cross-over connection electric capacity respectively through capacity earth between the pin 1 and 2 of IC3 and between 28 and 24.