CN206235842U - Microwave landing aids governor circuit - Google Patents

Abstract

The utility model is related to a kind of governor circuit of microwave landing aids, coordinate the work of other each units, realize the controls such as machine open/close, the switching of active/standby machine, after it and portable microcomputer maintenance unit are set up to be got in touch with, portable microcomputer can carry out the various operations such as parameter status information reading, device parameter are set and equipment is tested to system by serial ports.After it and RCU set up contact, the operation to equipment can be realized in remote state, had the technical effect that, small volume, reaction speed is fast, can realize the operation to equipment in remote state.

Description

Microwave landing aids governor circuit

Technical field

The utility model is related to a kind of microwave landing aids, more particularly to a kind of governor circuit of microwave landing aids.

Background technology

The major function of microwave landing aids be on ground for landing aircraft provides angle and data wait land guiding signal, Airborne equipment receives these signals, brings in for landing.Existing governor circuit realized by CMOS logic circuit devcie, body Product is big, and reaction speed is relatively slow, be unable to remote connection.

The content of the invention

In view of the deficiency that prior art is present, a kind of microwave landing aids governor circuit of the utility model offer, specific skill Art scheme is, a kind of microwave landing aids governor circuit, including ARM main control chips, power circuit, CAN communication interface circuit, net It is mouthful circuit, serial port circuit, power sense circuit, clock circuit, information storage circuit, sensor circuit, input interface circuit, defeated Outgoing interface circuit, wherein network port circuit include the circuit of network interface 0, the circuit of network interface 1, and serial port circuit includes the circuit of serial ports 0, the electricity of serial ports 1 Road, the circuit of serial ports 3, it is characterised in that：Its circuit is connected as sensor circuit, input interface circuit, output interface circuit, power supply Circuit unidirectionally connects ARM main control chips, realizes input, the output, CAN communication interface circuit, network port circuit, serial port power of signal Road, power sense circuit, clock circuit, information storage circuit are bi-directionally connected ARM main control chips；In described power sense circuit Portion is connected as, and 24 road power supply signals are divided into three groups of S0-S7 pin for connecting variable connector chip D21, D22 and D23 respectively, for quilt The gating of power supply signal is surveyed, the COM pin of D21, D22 and D23 connect 1 pin of resistance R77, R79 and R81 respectively；Resistance R77, R79 3 pin of D17 are connected with 2 pin of R81,1 pin of D17 connects the VIN1 pin of D16；The connection of the ALERT pin of D16, SDA pin and SCL pin ARM chips；1 pin of decoupling capacitance C39 and C42 connects 1 pin of D15, and 2 pin of C39 and C42 connect the GND pin of D15；D15's VOUT pin connect the VIN pin of D16；It is connected as inside described input/output interface circuit, ARM chips are distinguished by iic bus It is connected with the SCL pin and SDA pin of bus chip D11, D19, D27, transfer bus data；The road signal difference of other units input 32 The IO00-IO07 pin and IO10-IO17 pin of connection bus chip D11, D19, realize data input, are sent to 16 tunnels of other units Signal connects the IO00-IO07 pin and IO10-IO17 pin of bus chip D27 respectively, realizes data output, the A0 pin connection of D19 1 pin of resistance R87, the address to D19 is configured, 1 pin of the A1 pin connection resistance R97 of D27, and the address to D19 sets Put.

It is of the present utility model to have the technical effect that, small volume, reaction speed is fast, can realize the behaviour to equipment in remote state Make.

Brief description of the drawings：

Fig. 1 is theory diagram of the present utility model；

Fig. 2 is power sense circuit schematic diagram of the present utility model；

Fig. 3 is input/output interface circuit schematic diagram of the present utility model；

Fig. 4 is the utility model and microwave landing aids each unit task nexus figure；

Fig. 5 is Booting sequence figure of the present utility model；

Fig. 6 is communication task process chart of the present utility model；

Fig. 7 is timed task process chart of the present utility model；

Fig. 8 is control circular treatment mission flow diagram of the present utility model.

Specific embodiment

As shown in figures 1-8, microwave landing aids governor circuit includes ARM main control chips, power circuit, CAN communication interface Circuit, network port circuit, serial port circuit, power sense circuit, clock circuit, information storage circuit, sensor circuit, input interface Circuit, output interface circuit, wherein network port circuit include the circuit of network interface 0, the circuit of network interface 1, serial port circuit include the circuit of serial ports 0, The circuit of serial ports 1, the circuit of serial ports 3, wherein microwave landing aids governor circuit are by main control chip AT91SAM9X25 by the program of writing Realize, circuit is connected as sensor circuit, input interface circuit, output interface circuit, power circuit and unidirectionally connects ARM master control cores Piece, realizes input, the output of signal, CAN communication interface circuit, network port circuit, serial port circuit, power sense circuit, clock electricity Road, information storage circuit are bi-directionally connected ARM main control chips；It is connected as inside described power sense circuit, 24 road power supply signals It is divided into three groups of S0-S7 pin for connecting variable connector chip D21, D22 and D23 respectively, the gating for being tested power supply signal, D21, The COM pin of D22 and D23 connect 1 pin of resistance R77, R79 and R81 respectively；The 3 of the 2 pin connection D17 of resistance R77, R79 and R81 Pin, 1 pin of D17 connects the VIN1 pin of D16；The ALERT pin of D16, SDA pin and SCL pin connection ARM chips；Decoupling capacitance C39 and 1 pin of C42 connects 1 pin of D15, and 2 pin of C39 and C42 connect the GND pin of D15；The VOUT pin of D15 connect the VIN pin of D16；Institute Be connected as inside the input/output interface circuit stated, ARM chips by iic bus respectively with bus chip D11, D19, D27 SCL pin are connected with SDA pin, transfer bus data；Other units are input into 32 road signals and connect bus chip D11, D19 respectively IO00-IO07 pin and IO10-IO17 pin, realize data input, and the 16 road signals for being sent to other units connect bus chip respectively The IO00-IO07 pin and IO10-IO17 pin of D27, realize data output, 1 pin of the A0 pin connection resistance R87 of D19, to D19's Address is configured, 1 pin of the A1 pin connection resistance R97 of D27, and the address to D19 is configured.

The message that will come from network interface reception is sent by CAN to receiver, monitor, emitter, while receiving CAN The items that monitor is transmitted in bus are monitored parameter and are sent in time by network interface and safeguard software, are obtained from each working cell plate The work state information of each working cell（Normally/failure）, each power work status information is obtained from the output of each power supply, these letters Breath can be by safeguarding software inquiry, while can be by safeguarding software to system set-up parameters, microwave landing aids governor circuit Realized by network interface and Remote equipment or safeguard data communication between software, realize Remote equipment to local equipment State control and local equipment status information reading, network interface signal by contact pin connection motherboard, after delivering to cabinet through motherboard RJ45 mouthfuls carry out transmitting-receiving communication.

Microwave landing aids governor circuit is connected as with other each units in equipment, and power circuit is that microwave landing aids are each Unit provides the power supply of stabilization；CAN communication interface circuit is connected and communicates with other each units, realizes control, parameter transmission；Net Mouthful 0 circuit, the circuit of network interface 1 be connecteds and communicates with computer and remote control terminal is safeguarded, realization is safeguarded computer and remotely tieed up Protect operation and the display device detail parameters of terminal-pair equipment；Each dc source, battery in power sense circuit connection equipment, enter Row voltage detecting；Clock circuit with it is independent when, the minute, second register tracing time, and also be used to deposit with calendar register Chu, the moon, year and week, for system timing, Operation Log timing；Information storage circuit to Operation Log, the switching on and shutting down time, Landing time, control adjustment information are stored；Serial ports 0 connects front panel, transmission operation and status information, and serial ports 1 is used for journey Sequence is debugged, and serial ports 3 is connected and communicates with air-conditioning, and realization is automatically controlled to temperature in cabin；Sensor circuit alerts gate inhibition to be believed Number, smoke alarm signal and temperature-humidity signal feeding ARM main control chips, carry out corresponding operating；Input interface circuit, output interface Pre- alarm that circuit is produced to each unit, life state, switching information judge, produce active/standby machine to switch, shutdown it is dynamic Make.

Claims (1)

1. a kind of microwave landing aids governor circuit, including ARM main control chips, power circuit, CAN communication interface circuit, network interface Circuit, serial port circuit, power sense circuit, clock circuit, information storage circuit, sensor circuit, input interface circuit, output Interface circuit, wherein network port circuit include the circuit of network interface 0, the circuit of network interface 1, serial port circuit include the circuit of serial ports 0, the circuit of serial ports 1, The circuit of serial ports 3, it is characterised in that：Its circuit is connected as sensor circuit, input interface circuit, output interface circuit, power supply electricity Road unidirectionally connects ARM main control chips, realize signal input, output, CAN communication interface circuit, network port circuit, serial port circuit, Power sense circuit, clock circuit, information storage circuit are bi-directionally connected ARM main control chips；Inside described power sense circuit It is connected as, 24 road power supply signals are divided into three groups of S0-S7 pin for connecting variable connector chip D21, D22 and D23 respectively, for being tested The gating of power supply signal, the COM pin of D21, D22 and D23 connect 1 pin of resistance R77, R79 and R81 respectively；Resistance R77, R79 and 2 pin of R81 connect 3 pin of D17, and 1 pin of D17 connects the VIN1 pin of D16；The ALERT pin of D16, SDA pin and SCL pin connection ARM Chip；1 pin of decoupling capacitance C39 and C42 connects 1 pin of D15, and 2 pin of C39 and C42 connect the GND pin of D15；The VOUT of D15 Pin connects the VIN pin of D16；Be connected as inside described input/output interface circuit, ARM chips by iic bus respectively with always The SCL pin of core piece D11, D19, D27 are connected with SDA pin, transfer bus data；Other units are input into 32 road signals and connect respectively The IO00-IO07 pin and IO10-IO17 pin of bus chip D11, D19, realize data input, are sent to 16 road signals of other units The IO00-IO07 pin and IO10-IO17 pin of connection bus chip D27, realize data output, the A0 pin connection resistance of D19 respectively 1 pin of R87, the address to D19 is configured, 1 pin of the A1 pin connection resistance R97 of D27, and the address to D19 is configured.