Ship telephone-broadcast handover module
Technical field
The utility model is related to marine communication scheduling fields, more particularly, to a kind of ship telephone-broadcast handover module.
Background technology
The command scheduling of ship is to maintain after harbour unobstructed orderly basis and ship are left the port and port, other ships
Most important contact method.Phone and broadcast are communication modes important on ship.In the prior art, the two is each own independence
Circuit, it is therefore desirable to aboard ship arrange that more cable, network complexity are higher.And when ring unanswered's phone, it can not make
People on ship receives message in time, is easy to happen delay.
Invention content
Telephone network and broadcasting network present in the utility model mainly solution prior art is respectively independent, needs cloth
More cable is set, is easy to happen and misses the technical issues of phone generates delay, a kind of common user communication network is provided, reduces cable count
Amount can allow directly carrying out amplifying to message the ship telephone-broadcast handover module of broadcast.
What the utility model was mainly addressed by following technical proposals in view of the above technical problems:A kind of ship electricity
Words broadcast handover module, including control unit, switch unit, audio treatment unit and power supply unit, the switch unit include
The first pole of movable contact connection telephone set of relay K1, relay K1, the first pole of first end connection telephone line of resistance R1, electricity
The first pole of second end connection telephone set of R1 is hindered, the stationary contact of relay K1 is connected to audio treatment unit, the line of relay K1
It encloses first end and connects control unit, the coil second end of relay K1 connects power supply VCC, the anode connection relay of diode V1
The first end of K1 coils, the second end of the cathode connection relay K1 coils of diode V1;Resistance R3 first ends are grounded, resistance R3
Second end connects the movable contact of relay K1;The input cathode of optocoupler D1 passes through the second pole of resistance R2 connection telephone lines, light
The input cathode of coupling D1 is also connected with audio treatment unit;The second pole of input anode connection telephone set of optocoupler D1, optocoupler D1
Output head anode connect control unit, optocoupler D1 negative pole of output end ground connection;The input that resistance R5 is connected across optocoupler D1 is rectified
Between pole and input cathode;The input cathode of the first end connection optocoupler D1 of resistance R4, the second end ground connection of resistance R4;Light
The input anode of coupling D2 is connected by the movable contact of capacitance C1 connection relays K1, the input cathode of optocoupler D2 by resistance R6
The input cathode of optocoupler D1 is connect, the output head anode of optocoupler D2 connects control unit, the negative pole of output end ground connection of optocoupler D2;Become
The first input end of depressor T1 passes through resistance by the movable contact of capacitance C2 connection relays K1, the second input terminal of transformer T1
The input cathode of R7 connection optocouplers D1;The first output end of transformer T1 passes through the first end of capacitance C3 connection resistance R8, electricity
Hinder 2 feet of the second end connection transceiving chip D3 of R8, the second output terminal ground connection of transformer T1;Transceiving chip D3 is dual-tone multifrequency
Transmitter-receiver;6 feet, 11 feet, 12 feet, 13 feet, 14 feet and 15 feet of transceiving chip D3 connect control unit, and resistance R9 is connected across
Between 2 feet and 3 feet of transceiving chip D3, capacitance C4 is connected across between 17 feet of transceiving chip D3 and 18 feet, and resistance R10 is connected across
Between 16 feet and 17 feet of transceiving chip D3;Audio treatment unit is connected with control unit, and the output end of audio treatment unit connects
It is connected to broadcast;Power supply unit is powered for other units.
The input of switch unit connects telephone line, output connection telephone set and audio treatment unit.When other users are dialled
When being phone, switch unit connects audio treatment unit, audio frequency process if not receiving calls after certain ringing number
Unit sends signal to broadcast, carries out full ship report, will not missed telephone someone is not by telephone set.This programme pair
Ship, ocean platform expect someone's call interaction and the broadcast capability that amplifies integrated, reduce number of cables.
Preferably, the audio treatment unit includes transformer T2, power amplifier chips D8 and speech chip D6, transformer T2
First input end by the stationary contact of capacitance C8 connection relays K1, the second input terminal connection optocoupler D1's of transformer T2 is defeated
Enter to hold cathode;The stationary contact of the first end connection relay K1 of resistance R18, the input of the second end connection optocoupler D1 of resistance R18
Hold cathode;The first output end of transformer T2 passes through the first end of resistance R19 connection capacitances C9, the second output terminal of transformer T2
Ground connection;The inverting input of the second end connection amplifier D5A of capacitance C9, the in-phase input end of amplifier D5A pass through resistance R22
Ground connection, capacitance C10 and resistance R22 are in parallel;Resistance R20 and variable resistance R21 is connected across the anti-phase input of amplifier D5A after connecting
Between end and output end;The output end of the first end connection amplifier D5A of resistance R24, the second end of resistance R24 pass through capacitance
1 foot of C12 connection power amplifier chips D8;The second end that 3 feet of power amplifier chips D8 pass through capacitance C13 connection resistance R24;Power amplifier chips
4 feet, 5 feet, 10 feet and 11 feet connection broadcast;5 feet of speech chip D6 pass through the first end of resistance R27 connection capacitances C9, electricity
Resistance R26 is connected across between 5 feet of speech chip D6 and 9 feet;The first end of the 1 foot connecting valve S4 of speech chip D6, voice core
The first end of the 2 foot connecting valve S5 of piece D6, the first end of the 3 foot connecting valve S6 of speech chip D6, the second end of switch S4,
The second end of switch S5 and the second end of switch S6 all connect control unit.
Audio treatment unit is amplified after decoding voice signal, is subsequently sent to broadcast.
Preferably, described control unit includes microcontroller D4, microcontroller D4 is 89C51 chips;10 feet of microcontroller D4
Connect the output head anode of optocoupler D1, the output head anode of the 11 feet connection optocoupler D2 of microcontroller D4;35 feet of microcontroller D4,36
Foot, 37 feet, 38 feet and 39 feet are separately connected 15 feet, 14 feet, 13 feet, 12 feet and 11 feet of transceiving chip D3;The 25 of microcontroller D4
Foot connects the input terminal of phase inverter D9C, the coil first end of the output end connection relay K1 of phase inverter D9C, switch S4 the
Two ends, the second end of switch S5 and switch S6 second end.
Control unit completes the control of switch logic.
Preferably, ship telephone-broadcast handover module further includes reset unit, the reset unit connects with control unit
It connects.
Reset unit provides reset function for system.
Preferably, ship telephone-broadcast handover module further includes output expanding element, the output expanding element and sound
Frequency processing unit connects.
The other equipments such as alarm lamp are may be coupled to by expanding element, to realize that Remote triggering is alarmed.
The advantageous effect that the utility model is brought is to make phone and broadcast shared line, can allow other calling subscribes can
Directly by loud speaker to the terminal or to region speech, to reduce number of cables, simplify engineering wiring, has relatively strong
Extended capability.
Description of the drawings
Fig. 1 is a kind of switch unit circuit diagram of the utility model;
Fig. 2 is a kind of audio treatment unit circuit diagram of the utility model;
Fig. 3 is a kind of control unit circuit diagram of the utility model;
Fig. 4 is a kind of power unit circuit schematic diagram of the utility model;
Fig. 5 is a kind of reset unit circuit diagram of the utility model;
Fig. 6 is a kind of output expanding element circuit diagram of the utility model.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment:A kind of ship telephone-broadcast handover module of the present embodiment, including control unit, switch unit, audio
Processing unit, reset unit, output expanding element and power supply unit.As shown in Figure 1, switch unit includes relay K1, relay
The first pole of movable contact connection telephone set of device K1, the first pole of first end connection telephone line of resistance R1, the second end of resistance R1
The first pole of telephone set is connected, the stationary contact of relay K1 is connected to audio treatment unit, the coil first end connection of relay K1
The coil second end of control unit, relay K1 connects power supply VCC, and the anode of diode V1 connects the first of relay K1 coils
End, the second end of the cathode connection relay K1 coils of diode V1;Resistance R3 first ends be grounded, resistance R3 second ends connection after
The movable contact of electric appliance K1;The input cathode of optocoupler D1 passes through the second pole of resistance R2 connection telephone lines, the input terminal of optocoupler D1
Cathode is also connected with audio treatment unit;The second pole of input anode connection telephone set of optocoupler D1, the output head anode of optocoupler D1
Connect control unit, the negative pole of output end ground connection of optocoupler D1;Resistance R5 is connected across the input anode of optocoupler D1 and input terminal is born
Between pole;The input cathode of the first end connection optocoupler D1 of resistance R4, the second end ground connection of resistance R4;The input terminal of optocoupler D2
Anode passes through the defeated of resistance R6 connection optocouplers D1 by the movable contact of capacitance C1 connection relays K1, the input cathode of optocoupler D2
Enter and hold cathode, the output head anode of optocoupler D2 connects control unit, the negative pole of output end ground connection of optocoupler D2;The first of transformer T1
Input terminal passes through resistance R7 connection optocouplers D1 by the movable contact of capacitance C2 connection relays K1, the second input terminal of transformer T1
Input cathode;The first output end of transformer T1 passes through the first end of capacitance C3 connection resistance R8, the second end of resistance R8
Connect 2 feet of transceiving chip D3, the second output terminal ground connection of transformer T1;Transceiving chip D3 is dual-tone multifrequency transmitter-receiver
8870;6 feet, 11 feet, 12 feet, 13 feet, 14 feet and 15 feet of transceiving chip D3 connect control unit, and resistance R9 is connected across transmitting-receiving core
Between 2 feet and 3 feet of piece D3, capacitance C4 is connected across between 17 feet of transceiving chip D3 and 18 feet, and resistance R10 is connected across transmitting-receiving core
Between 16 feet and 17 feet of piece D3;Audio treatment unit is connected with control unit, and the output end of audio treatment unit is connected to extensively
It broadcasts;Power supply unit is powered for other units.Connection terminal X3 connection telephone lines and telephone set.
The input of switch unit connects telephone line, output connection telephone set and audio treatment unit.When other users are dialled
When being phone, switch unit connects audio treatment unit, audio frequency process if not receiving calls after certain ringing number
Unit sends signal to broadcast, carries out full ship report, will not missed telephone someone is not by telephone set.This programme pair
Ship, ocean platform expect someone's call interaction and the broadcast capability that amplifies integrated, reduce number of cables.
As shown in Fig. 2, the audio treatment unit includes transformer T2, power amplifier chips D8 and speech chip D6, power amplifier core
Piece D8 is PAM8006, and speech audio D6 is PM66SS02.The first input end of transformer T2 passes through capacitance C8 connection relays K1
Stationary contact, the input cathode of the second input terminal connection optocoupler D1 of transformer T2;The first end of resistance R18 connects relay
The stationary contact of K1, the input cathode of the second end connection optocoupler D1 of resistance R18;The first output end of transformer T2 passes through resistance
The first end of R19 connection capacitances C9, the second output terminal ground connection of transformer T2;The second end connection amplifier D5A's of capacitance C9
The in-phase input end of inverting input, amplifier D5A is grounded by resistance R22, and capacitance C10 and resistance R22 are in parallel;Resistance R20
And it is connected across between the inverting input and output end of amplifier D5A after variable resistance R21 series connection;The first end of resistance R24 connects
Connect the output end of amplifier D5A, 1 foot that the second end of resistance R24 passes through capacitance C12 connection power amplifier chips D8;Power amplifier chips D8
The 3 feet second end that passes through capacitance C13 connection resistance R24;4 feet, 5 feet, 10 feet and the connection broadcast of 11 feet of power amplifier chips;Voice
5 feet of chip D6 by the first end of resistance R27 connection capacitances C9, resistance R26 be connected across speech chip D6 5 feet and 9 feet it
Between;The first end of the 1 foot connecting valve S4 of speech chip D6, the first end of the 2 foot connecting valve S5 of speech chip D6, voice core
The first end of the 3 foot connecting valve S6 of piece D6, the second end of the second end of switch S4, the second end of switch S5 and switch S6 all connect
Connect control unit.Connection terminal X2 connection loud speakers.
Audio treatment unit is amplified after decoding voice signal, is subsequently sent to broadcast.
As shown in figure 3, described control unit includes microcontroller D4, microcontroller D4 is 89C51 chips;10 feet of microcontroller D4
Connect the output head anode of optocoupler D1, the output head anode of the 11 feet connection optocoupler D2 of microcontroller D4;35 feet of microcontroller D4,36
Foot, 37 feet, 38 feet and 39 feet are separately connected 15 feet, 14 feet, 13 feet, 12 feet and 11 feet of transceiving chip D3;The 25 of microcontroller D4
Foot connects the input terminal of phase inverter D9C, the coil first end of the output end connection relay K1 of phase inverter D9C, switch S4 the
Two ends, the second end of switch S5 and switch S6 second end.
Control unit completes the control of switch logic.
Fig. 4 is the power supply unit of the present embodiment.
Fig. 5 show reset unit, and the reset unit is connect with control unit.Reset unit provides reset work(for system
Energy.
Fig. 6 show output expanding element, and the output expanding element is connect with audio treatment unit.Pass through expanding element
The other equipments such as alarm lamp are may be coupled to, to realize that Remote triggering is alarmed.
This programme has following functions:
It is docked with PBX programme-controlled exchanges, makes a phone call function.
Loud-speaking function when other users dial the terminal, rings a sound or two sound bells(Ringing number may be selected)It connects automatically afterwards
Wildcard connects anti-explosion loudspeaker.
Visual alarm function when other users dial the terminal, rings a sound or two sound bells(Ringing number may be selected)It is followed by
It is notified to warning lamp.
It raises one's voice broadcast, other calling subscribes can directly talk by loud speaker to the terminal or to the region.
Extend output, if the region nobody, which can be extended to public position on duty.
This programme solves the problems, such as that ship intercom phone amplifies, and reduces number of cables.Ship, ocean platform is set to expect someone's call friendship
Mutually and the broadcast capability that amplifies is integrated.
Specific embodiment described herein is only to be given an example to the invention spirit.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the principles of the present invention or beyond the scope of the appended claims.
Although the terms such as switch unit, audio treatment unit, transceiving chip are used more herein, being not precluded makes
With the possibility of other terms.The use of these terms is merely for the convenience of describing and explaining the nature of the invention;
Any one of the additional limitations is construed as all to disagree with the invention spirit.