CN201156293Y

CN201156293Y - Navigation wireless centralized monitoring apparatus

Info

Publication number: CN201156293Y
Application number: CNU2007200926369U
Authority: CN
Inventors: 卫冠文; 王建胜; 高念俊; 潘志丽; 李志生; 卫冠民; 杨鹏; 张超静
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-12
Filing date: 2007-11-12
Publication date: 2008-11-26
Anticipated expiration: 2017-11-12

Abstract

The utility model discloses a navigation wireless concentrated monitoring device which mainly comprises a monitoring mainframe part and a plurality of monitoring terminal parts. A monitoring mainframe computer is connected with a broadcasting station by an interface circuit. A navigation device is connected with the broadcasting station through a terminal module of a monitoring terminal by the interface circuit. A data signal obtained by the mainframe computer is transferred into an analog signal by the interface circuit to be modulated at the broadcasting station to be transmitted. The monitoring terminal broadcasting station transfers the received analog signal into the data signal by the interface circuit to be sent to the terminal module for monitoring and controlling the navigation device. A main monitor can process remote controlling, remote sensing, remote signalling and monitoring towards any wireless terminal in a system and tours for gauging, displays and counts each navigation device operating parameter by an air wireless channel; the main monitor monitors navigation device working status, indoor temperature and humidity and air condition and power supplies all-weather and can receive and process various kinds of warning signals reported by the terminal, so as to ensure that the navigation device operates properly and reliably to ensure the safety of an airplane.

Description

Wireless centralized supervisory and control equi navigates

Technical field

The utility model belongs to the navigator technical field, and what relate generally to is a kind of wireless centralized supervisory and control equi of navigation of air base navigational aids.

Background technology

Navigator is the critical facility of airport construction, and it is the knowledge of aircraft flight, and whether its correct reliability service, is directly connected to the safety of flight.So, the monitoring problem of air base navigational aids is subjected to always the great attention of aviation station.

At present, the supervisory system of China's air base navigational aids mainly is based on wired monitoring, because the guidance station stop spacing is far away from control tower or navigation scheduling chamber, and geographical environment is poor, so, adopt the wired monitoring mode to have following problem: the one, cable laying cost height, difficulty of construction is big, the cycle is long.The 2nd, be not easy to safeguard, and maintenance labour intensity is big, expense is high.The 3rd, poor stability easily is damaged.The 4th, monitoring navigator parameter is single, shows that the detection data are not directly perceived.

Summary of the invention

The purpose of this utility model is to propose the wireless centralized supervisory and control equi of a kind of navigation.Make it possess automatic monitoring function, reach thus: the switch of Remote navigator and active and standby machine switch, and automatic telemetering navigation apparatus displays data are directly perceived, and it is convenient that statistics is printed operation and maintenance.

The utility model realizes that the technical scheme that above-mentioned purpose is taked is: comprise main monitoring equipment part and a plurality of monitor terminal part, it is characterized in that: link to each other by interface circuit between main monitoring equipment principal computer partly and radio station; Navigator is joined by interface circuit and radio station through the terminal module of monitor terminal, and the data-signal that is obtained by principal computer is converted to simulating signal through interface circuit and is modulated to the radio station and sends; The monitor terminal radio station is converted to data-signal with the simulating signal that receives through interface circuit and sends into terminal module navigator is monitored and controlled.

The utility model is in the wireless centralized monitoring system of navigator, the main supervisory control comuter software of writing with C# language, write terminal module and interface board program with 51 series monolithic assembly language, software adopts interference protection measures such as Error Correction of Coding and photoelectricity isolation, navigator is inserted through interface circuit and terminal CPU module in the radio station, carry out long-distance navigation aids data acquisition and transmission, possess that design programming is simple, intuitive display, perfect in shape and function, economical and practical, characteristics that easy, easy to operate and stable and reliable operation are installed, have the excellent popularization using value.

Description of drawings

Fig. 1 is wireless centralized monitoring system block scheme for the utility model navigates.

Fig. 2 is the electrical schematic diagram of the utility model interface circuit.

Fig. 3 is the connection layout in the utility model interface board and radio station.

Fig. 4 is the connection layout of the utility model interface board and single-chip microcomputer.

Embodiment

In conjunction with the accompanying drawings, providing embodiment of the present utility model further specifies as follows:

As shown in Figure 1, the navigator wireless supervisory control system that present embodiment mainly partly is made of main monitoring equipment and a plurality of monitor terminal, this system is between the computing machine and a plurality of terminal module and radio station of main monitoring equipment part, design has the MODEM interface card, finishes the conversion of digital signal and simulating signal.

Equipment such as monitoring host computer configuration industrial control computer, printer, color monitor, fm radio station and D.C. regulated power supply.System adopts Chinese software, can move the Windows2000/XP environment.The wireless supervisory control system main frame can carry out remote control, remote measurement, remote signalling, remote regulating and snoop-operations to any platform wireless terminal in the navigational system.Can patrol automatically and survey all terminals in setting cycle, circulation is presented at the running status of navigator and parameter on the host display, also can carry out the unit monitoring to any terminal, and on-the-spot navigator running status and parameter are shown.The terminal data forwarding capability that is provided with can be provided with any terminal to platform far away in the system and carry out data forwarding.Can control according to the manual command at any time and move main equipment, stand-by equipment, air conditioner etc. in each station, also can automatically switch according to the unit operation time of setting by software.Can receive the various warning information that processing terminal reports at any time, comprise that electric current, voltage are out-of-limit, the abnormal information of identification code signal and miscellaneous equipment duty.And the operator on duty carried out display frame and voice suggestion, deposit warning information in record alert database automatically simultaneously.Can on display, show the figure, data and the statistic curve that meet on-the-spot navigator panel state and form etc.Can call out any monitor terminal at any time converses.For preventing person on duty's maloperation, before system opened, stops the equipment affirmation, design had sound prompt function on control center's master controller.Master controller can be according to actual needs at any time or various data such as timed print equipment operation record, warning information, form, curve map, rod figure, the confession staff analyzes and adjusts equipment and running situation.Master controller is provided with unit and system's monitor function, can the identification code sound signal that the on-the-spot navigator of each station is sent be monitored by manually-operated.Data transmission between master controller and each the station terminal machine all adopts the Error Correction of Coding mode, and therefore, system communication has good confidentiality, and antijamming capability is strong, responds characteristics timely, and the bit error rate is less than 10 ^-7

A plurality of monitor terminals partly comprise: platforms such as far from the table, close-table, homer, beacon station, course platform and downslide, each station all need be installed a monitor terminal.Each station monitor terminal all adopts wall-hanging structure, seal and shield good, convenient and flexible installation.Terminating machine adopts intellectualized module, and adopts the anti-locking and the interference protection measure of multiple hardwares and software, all input ports all to adopt photoelectricity isolation, delivery outlet all to adopt relay to isolate.Wherein the I/O delivery outlet all adopts the outer relay secondary isolation of machine, and for improving reliability, analog quantity input adopts 0～5V signal, can be connected with various navigator.The CC-2000F type monitor terminal machine of design disposes 11 tunnel analog quantitys inputs, 24 road DI inputs (state), 10 road DO outputs (switch) and goes into; Be reserved with the RS-485 interface, can be used for being connected with various sensors with navigator with RS-485/232 interface.Terminating machine can be carried out remote measurement, remote control, remote signalling and the snoop command that master controller issues at any time, and gives master controller with fill order situation and equipment operation reporting parameters.Detect the navigator abnormal signal, when stand by lamp is bright, send warning information to master controller during the terminating machine active.Can receive the main control computer order at any time, finish that A master B is equipped with or B master A is equipped with and switches and switching on and shutting down etc.Can control the opening and closing of air conditioner according to each station indoor temperature and humidity automatically.Master controller can be called out at any time, the words that work of going forward side by side.

Be provided with the MODEM interface board between computing machine and terminal CPU module and radio station, this plate mainly is made up of serial port RS-232 and RS-485 interface chip, single-chip microcomputer 89S 52, modem chip CMX469A etc.The external circuit crystal oscillator of CMX469A selects for use 4.032MHz to connect 1,2 pin, and other pin is connected respectively to single-chip microcomputer and radio station, and the interface circuit principle as shown in Figure 2.The MODEM interface board needs five signal wires altogether with being connected of radio station.Wherein MSKIN connects frequency discrimination output, MSKOUT and meets 13.8V that modulation input, power supply input connect the radio station, sends out a control line and connect PTT two ground wires and link to each other, and interface board is connected as shown in Figure 3 with the radio station.Interface board CMX469A is connected with single-chip microcomputer and can be provided with by single-chip microcomputer is convenient, and interface board is connected as shown in Figure 4 with single-chip microcomputer.

The present embodiment interface board when software programming at first by the P1.0 of single-chip microcomputer, the transfer rate that the P1.1 mouth is provided with CMX469A, configure its duty after, open to receive/send out and enable, thereby start CMX469A.Under the Data Receiving pattern, single-chip microcomputer is at first waited for the arrival of outer interrupt INT 1, receives the demodulating data of CMX469A by the P1 port, and the data that receive are sent to monitoring terminal equipment by RS-232 or RS-485 serial ports.Under data transmission modes, single-chip microcomputer then at first by the data of serial ports reception from computing machine, is stored in the data buffer; The transmission that starts CMX469A then enables TXENABLE, and waits for the arrival of interrupt INT O; After interrupting generation each time, single-chip microcomputer sends the TXDATA pin of 1BIT data to CMX469A by the P1 port, and the msk signal after the modulation then is sent to the radio station through the TXSIGNAL pin and carries out rf modulations.

Claims

1, the wireless centralized supervisory and control equi of a kind of navigation comprises main monitoring equipment part and a plurality of monitor terminal part, it is characterized in that: link to each other by interface circuit between main monitoring equipment principal computer partly and radio station; Navigator is joined by interface circuit and radio station through the terminal module of monitor terminal, is converted to simulating signal by the data-signal of principal computer output through interface circuit and is modulated to the radio station and sends; The monitor terminal radio station is converted to data-signal with the simulating signal that receives through interface circuit and sends into terminal module navigator is monitored and controlled.

2, the wireless centralized supervisory and control equi of navigation according to claim 1, it is characterized in that: described interface circuit mainly is made up of serial port interface chip, single-chip microcomputer 89 S 52, modem chip CMX469, the external circuit crystal oscillator of modem chip connects 1,2 pin, and other pin is connected respectively to single-chip microcomputer and radio station.

3, the wireless centralized supervisory and control equi of navigation according to claim 1 is characterized in that: described terminal module is that all input port ends all adopt photoelectricity to isolate, and output port all adopts relay to isolate.