CN2124530U - Automatic network switchover arrangement for sw radio station and ultra short wave radio station - Google Patents

Automatic network switchover arrangement for sw radio station and ultra short wave radio station Download PDF

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Publication number
CN2124530U
CN2124530U CN 92214384 CN92214384U CN2124530U CN 2124530 U CN2124530 U CN 2124530U CN 92214384 CN92214384 CN 92214384 CN 92214384 U CN92214384 U CN 92214384U CN 2124530 U CN2124530 U CN 2124530U
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CN
China
Prior art keywords
circuit
shortwave
ultrashort wave
wave
switch
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Granted
Application number
CN 92214384
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Chinese (zh)
Inventor
侯文龙
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Individual
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Individual
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Priority to CN 92214384 priority Critical patent/CN2124530U/en
Publication of CN2124530U publication Critical patent/CN2124530U/en
Granted legal-status Critical Current

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Abstract

The utility model discloses an automatic network switchover arrangement for short wave radio stations and ultra short wave radio stations, comprising a casing and a machine core. Elements on the casing are connected with a machine core circuit correspondingly. The machine core circuit comprises an ultra short wave input and output circuit 12, a short wave input and output circuit 13, an ultra short wave controlling circuit 14, a short wave controlling circuit 15, a monitoring circuit 16, a display circuit 17, and a power supply circuit 18. A network can be connected so long as one side sends signals in conversation through the utility model. The automatic network switchover arrangement for short wave radio stations and ultra short wave radio stations can recover to a watch state when a conversion is completed. Thus, the automatic network switchover arrangement for short wave radio stations and ultra short wave radio stations can start for a long time without the watch of a person. The signal-to-noise of short wave is reduced by the utility model.

Description

Automatic network switchover arrangement for SW radio station and ultra short wave radio station
The utility model relates to a kind of radio transmission system, particularly a kind of shortwave ultrashort wave radio set switching device of networking automatically.
The existing radio station switching device of networking automatically adopts phase-locked loop circuit, control the transmitting-receiving switching with tone signal, circuit is comparatively complicated, and it is logical that control circuit will add two joint bands, monitoring circuit will add two joint band resistances, send into transmitting that the shortwave circuit modulates, just can send into the shortwave emission by behind adder and the tone signal superposition, the speech the other side who launches can not hear clearly, also easily distortion, the tone signal decay is big, the transmitter in the other side radio station of often not opening after the emission.And interface of all necessary installation in both sides radio station, side coding, side decoding so just can finish two kinds of different nettings, and conventional device is not power autonomous, can not grow start.
The purpose of this utility model promptly is to overcome the shortcoming of prior art, and a kind of short-wave radio set switching device of networking automatically is provided, and this signal to noise ratio of installing good in anti-interference performance, particularly short-wave radio set reduces greatly, and conversion speed is fast, and dependable performance is with low cost.
The purpose of this utility model can reach by following measure: this device is made up of movement and shell, movement circuit is corresponding continuous with each element on the shell by lead, the front of shell is equipped with mains switch and indicator light thereof, shortwave words bit switch and indicator light thereof, ultrashort wave words bit switch and indicator light thereof, shortwave, ultrashort wave transmitting-receiving indicator light, the both sides of shell are separately installed with audio-switch and volume switch and microphone stand;
Movement circuit comprises ultrashort wave imput output circuit and shortwave imput output circuit, ultrashort wave, the shortwave control circuit, monitoring circuit, display circuit, power circuit, ultrashort wave imput output circuit input links to each other with short-wave receiver, output links to each other with ultrashort wave transmitter, shortwave imput output circuit input links to each other with ultra-short wave receiver, output links to each other with short-wave transmitter, ultrashort wave control circuit input termination short-wave receiver, output termination ultrashort wave transmitter switch, shortwave control circuit input termination ultra-short wave receiver, output termination short-wave transmitter switch; Monitoring circuit one is terminated at shortwave or ultra-short wave receiver, and an end links to each other with loudspeaker; Display circuit links to each other with the indicator light of outer casing frontispiece; Power circuit connects external power, mains switch control power circuit, and each element circuit of output termination, the audio signal that receiver is sent divides three the tunnel, the one tunnel to be control circuit, and one the tunnel is monitoring circuit, and one the tunnel is imput output circuit.
Below in conjunction with accompanying drawing to the utility model to further description.
Fig. 1 is network the automatically shell installation diagram of switching device of shortwave ultrashort wave radio set;
Fig. 2 is network the automatically movement circuit block diagram of switching device of shortwave ultrashort wave radio set;
Fig. 3 is network the automatically circuit diagram of switching device of shortwave ultrashort wave radio set.
Among Fig. 1, the front of shell is equipped with mains switch 1 and indicator light 2 thereof, shortwave words bit switch 3 and indicator light 4 thereof, ultrashort wave words bit switch 5 and indicator light 6 thereof, when the both sides radio station is in waiting state, press shortwave words bit switch 3, shortwave indicator light 4 is bright, with the conversation of shortwave microphone, when pressing ultrashort wave words bit switch 5, indicator light 6 is bright, and shortwave words bit switch 3 ejects, and indicator light 4 goes out, utilize the conversation of ultrashort wave microphone, when promptly two kinds of radio station work alone, utilize the casing external microphone respectively with ultrashort wave, the conversation of shortwave microphone, just external microphone has occupied main frame microphone position, replace the conversation of main frame microphone, when there is call signal in a side radio station, can network the work of main frame microphone automatically.Outer casing frontispiece also is equipped with shortwave, ultrashort wave transmitting-receiving indicator light 7,8, is connected with power circuit, and the both sides of shell are separately installed with audio-switch 9 and volume switch 10 and microphone stand 11.
Among Fig. 2, SP is a receiver, and PTT is a transmitter switch, and MIC is a transmitter.Movement circuit comprises ultrashort wave imput output circuit 12 and shortwave imput output circuit 13, ultrashort wave, shortwave control circuit 14,15, monitoring circuit 16, display circuit 17, the audio signal that power circuit 18, receiver are sent divides three the tunnel, the one tunnel to be imput output circuit, one the tunnel is control circuit, and one the tunnel is monitoring circuit.
Ultrashort wave imput output circuit 12 comprises an analog switch 19, analog switch 19 1 ends link to each other with short-wave receiver, the other end links to each other with ultrashort wave transmitter, the audio signal that receiver comes is behind analog switch 19 gatings, passing to the ultrashort wave transmitter modulate emission goes out, shortwave imput output circuit 13 comprises an analog switch 20, analog switch 20 1 ends link to each other with ultra-short wave receiver, the other end links to each other with short-wave transmitter, the audio signal that receiver comes passes to the short-wave transmitter modulate emission and goes out behind analog switch 20 gatings.
Control circuit 14,15 comprise ultrashort wave control circuit 14 and shortwave control circuit 15, shortwave control circuit 15 is by amplifying circuit 21, delay circuit 22, comparison circuit 23, trigger switch 24 is cascaded, be connected between ultra-short wave receiver and the short-wave transmitter switch, the audio signal of ultrashort wave radio set receiver is amplified by power amplification circuit 21, the output of amplifying circuit 21 links to each other with delay circuit 22, delayed circuit delay, after comparison circuit 23 shapings, trigger switch 24 is opened short-wave transmitter again, when the receiver no signal was sent, circuit was in stand-by state.Ultrashort wave control circuit 14 is by squelch circuit 25, power amplifier 26, delay circuit 27, comparison circuit 28, trigger switch 29 is in series, input links to each other with short-wave receiver, output links to each other with the ultrashort wave transmitter switch, and the audio signal of short-wave radio set receiver goes to disturb by squelch circuit 25 filtering, and the power amplification circuit through connecting with squelch circuit 25 26 amplifies again, delay circuit 27 postpones, comparison circuit 28 shapings after trigger switch 29 is handled, are opened ultrashort wave transmitter, when the transmitter no signal was sent, circuit was in stand-by state.
Monitoring circuit 16 is by analog switch 30, power amplifier 31 and loud speaker 32 are formed, the audio signal that audio signal that 30 pairs of ultra-short wave receivers of analog switch come and short-wave receiver come optional one tunnel, send into the power amplification circuit 31 of series connection with it, be converted to voice signal through loud speaker 32 again.
Display circuit 17 is made up of the transistor of one a group of light-emitting diode and an on-off action.
18 pairs of whole phones of power circuit provide power supply, by pressurizer 33, bleeder circuit 34 is formed, the direct voltage that external power source provides, after pressurizer 33 voltage stabilizings, produce one group of 8V direct-current working volts, after bleeder circuit 34 dividing potential drops, produce another group 5V operating voltage of this device again, the receipts indicator light in casing front is connected with power circuit.
Fig. 3 is network the automatically circuit theory diagrams of switching device of shortwave, ultrashort wave radio set, and SP is a receiver, and PTT is a transmitter switch, and MIC is a transmitter.Ultrashort wave imput output circuit 12, the audio signal of coming out from receiver is by lc circuit High frequency filter, capacitor C 2Analog switch IC is sent in coupling 9Behind the gating, pass to the short-wave transmitter modulation, launch.Shortwave imput output circuit 13, the audio signal of coming out from receiver is through C 14Coupling is again through IC 8Gating is sent into the ultrashort wave transmitter modulation, launches.
The audio signal that shortwave control circuit 15 is come out by receiver is through LC High frequency filter, C 2Coupling, R 24, IC 4, R 23, C 3Form power amplification circuit 21, C 9Coupling, Q 4, R 20,21, C 11Form delay circuit 22, IC 3, R 18,19Form comparison circuit 23, trigger switch 24 is by Q 3, C 12, R 16,17Form Q 4Input be a end, output is the b end, when signal, a point is a height, Q 4Conducting, C 11Discharge over the ground, b point current potential descends, when dropping to certain value, IC 3Output switching activity, output level from low to high, Q 3Transmitter is opened in conducting.When no signal, a point is low, Q 4End, power supply passes through R 20To C 11The charging, b point current potential from low to high, when rising to certain value, IC 3Output switching activity, output level is by high step-down, Q 3End, close transmitter.Comparison circuit 23IC 3Output 14 pin and the H of display circuit 17 FThe T/R end links to each other, and the audio signal of ultrashort wave control circuit 14 from the short-wave radio set receiver is through C 14Coupling, R 11,12,13,14,15, D 1,2, C 16Form squelch circuit 25, carry out noise suppressed before short-wave signal is sent into amplification, reduce signal to noise ratio, ultrashort wave radio set is not triggered by the short-wave radio set noise when networking with short-wave radio set like this, is in long hair and penetrates, R 15Be a variable resistor, audio-switch realizes by regulating resistance value, and the signal that comes out from squelch circuit is through R 8,9, IC 2, C 27The power amplification circuit of forming 26 amplifies Q 2, R 5,6,7, C 17,18,19The delay circuit 27, the IC that form 1, R 3,4The comparison circuit of forming 28, comparison circuit 28IC 1Output 1 pin and the V of display circuit 17 FThe T/R end links to each other, at last via Q 1, R 1,2, C 20After the switch of forming 29 is handled, open ultrashort wave transmitter.
Monitoring circuit 16 is by analog switch IC 7Audio signal and the next audio signal of short-wave receiver that ultra-short wave receiver comes are selected, and through selecting one road signal, the power amplification circuit 31 of sending into series connection with it amplifies, and power amplification circuit is by IC 5, C 6,7, R 9Form, send into loud speaker 32 at last and be converted to voice signal.The R in the monitoring circuit wherein 10Link to each other with the volume switch on the casing, regulate volume by changing resistance value.
Power circuit 18 is made up of pressurizer 33, bleeder circuit 34, and pressurizer is by IC 6, C 23,24,25,26Form, export one group of 8V voltage, bleeder circuit 34 is by R 30,31, C 21,22Form, export one group of 5V voltage.
Display circuit 17 is by a group transistor Q 5,6,7,8Play on-off action and light-emitting diode D 3, D 4, D 5, D 6, D 7, D 3Link to each other with power supply, make power supply indicator, D 4For ultrashort wave is received indicator light, D 5For ultrashort wave is sent out indicator light, D 6For shortwave is received indicator light, D 7For shortwave is sent out indicator light.
Can find out that by top narration the present invention has following excellent Point, because this device has power supply, behind the networking plugged, both sides radio station no signal, conversion is in stand-by state, as long as a side sends signal, can automatically network talk-through during communication, automatically recover stand-by state, therefore can grow start, unmanned, two kinds of radio station independent communications are not had impact, and circuit is simple, and is multiple functional, easy to operate, with low cost, dependable performance, the power consumptive province, conversion speed is fast, good in anti-interference performance.

Claims (6)

1, a kind of shortwave ultrashort wave radio set switching device of networking automatically, form by movement and shell, movement circuit is corresponding continuous with each element on the shell by lead, it is characterized in that: the front of shell is equipped with mains switch 1 and indicator light 2 thereof, shortwave words bit switch 3 and indicator light 4 thereof, ultrashort wave words bit switch 5 and indicator light 6 thereof, shortwave, ultrashort wave transmitting-receiving indicator light 7,8, the both sides of shell are separately installed with audio-switch 9 and volume switch 10 and microphone stand 11;
Movement circuit comprises ultrashort wave imput output circuit 12 and shortwave imput output circuit 13, ultrashort wave, shortwave control circuit 14,15, monitoring circuit 16, display circuit 17, power circuit 18, ultrashort wave imput output circuit 12 inputs link to each other with short-wave receiver, and output links to each other with ultrashort wave transmitter, shortwave imput output circuit 13 inputs link to each other with ultra-short wave receiver, and output links to each other with short-wave transmitter; Ultrashort wave control circuit 14 input termination short-wave receivers, output termination ultrashort wave transmitter switch, shortwave control circuit 15 input termination ultra-short wave receivers, output termination short-wave transmitter switch; Monitoring circuit 16 1 is terminated at shortwave or ultra-short wave receiver, and an end links to each other with loudspeaker; Display circuit 17 links to each other with the indicator light of outer casing frontispiece; Power circuit 18 connects external power, mains switch 1 control power circuit, and each element circuit of output termination, the audio signal that receiver is sent divides three the tunnel, the one tunnel to be control circuit, and one the tunnel is monitoring circuit, and one the tunnel is imput output circuit.
2, a kind of shortwave ultrashort wave radio set according to claim 1 switching device of networking automatically, it is characterized in that: described ultrashort wave imput output circuit 12 comprises an analog switch 19, shortwave imput output circuit 13 comprises an analog switch 20.
3, a kind of shortwave ultrashort wave radio set according to claim 1 switching device of networking automatically is characterized in that: described shortwave control circuit 15 is by amplifying circuit 21, delay circuit 22, and comparison circuit 23, trigger switch 24 is in series; Ultrashort wave control circuit 14 is by squelch circuit 25, power amplifier 26, and delay circuit 27, comparison circuit 28, trigger switch 29 is in series.
4, a kind of shortwave ultrashort wave radio set according to claim 1 switching device of networking automatically, it is characterized in that: described monitoring circuit 16 is by analog switch 30, and power amplifier 31 and loud speaker 32 are in series.
5, a kind of shortwave ultrashort wave radio set according to claim 1 switching device of networking automatically, it is characterized in that: described display circuit 17 is made up of one group of light-emitting diode and transistor.
6, a kind of shortwave ultrashort wave radio set according to claim 1 switching device of networking automatically is characterized in that: described power circuit 18 is by pressurizer 33, and bleeder circuit 34 is formed.
CN 92214384 1992-04-01 1992-04-01 Automatic network switchover arrangement for sw radio station and ultra short wave radio station Granted CN2124530U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 92214384 CN2124530U (en) 1992-04-01 1992-04-01 Automatic network switchover arrangement for sw radio station and ultra short wave radio station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 92214384 CN2124530U (en) 1992-04-01 1992-04-01 Automatic network switchover arrangement for sw radio station and ultra short wave radio station

Publications (1)

Publication Number Publication Date
CN2124530U true CN2124530U (en) 1992-12-09

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ID=4958947

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 92214384 Granted CN2124530U (en) 1992-04-01 1992-04-01 Automatic network switchover arrangement for sw radio station and ultra short wave radio station

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CN (1) CN2124530U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101162909B (en) * 2006-10-09 2010-12-15 葫芦岛联博电子技术有限公司 Radio station centralized control adapter
CN103163790A (en) * 2011-12-15 2013-06-19 北京北广科技股份有限公司 500KW short-wave transmitter logic control method and system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101162909B (en) * 2006-10-09 2010-12-15 葫芦岛联博电子技术有限公司 Radio station centralized control adapter
CN103163790A (en) * 2011-12-15 2013-06-19 北京北广科技股份有限公司 500KW short-wave transmitter logic control method and system
CN103163790B (en) * 2011-12-15 2016-01-20 北京北广科技股份有限公司 500KW short-wave transmitter logic control method and system

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