CN2938654Y

CN2938654Y - Station radio communicating device

Info

Publication number: CN2938654Y
Application number: CNU200620043789XU
Authority: CN
Inventors: 魏宇; 陆仪
Original assignee: SANJI ELECTRONIC ENGRG CO Ltd SHANGHAI
Current assignee: SANJI ELECTRONIC ENGRG CO Ltd SHANGHAI
Priority date: 2006-07-10
Filing date: 2006-07-10
Publication date: 2007-08-22
Anticipated expiration: 2016-07-10

Abstract

The utility model relates to a transmitter-receiver wireless dispatching device, comprising a transmitting unit transmitter-receiver, a receiving unit transmitter-receiver, a voice switch and a linear transformer; a linear power source powers the system, receives audio signals and sends the signals into the audio input terminal of a transmitter and into the voice switch and the voice switch and controls the wireless transmission of the radio station with the voice switch; the voice switch comprises an input filter capacitor C1, a reference voltage regulator, an amplifier circuit, a comparison circuit integrated chip U1, a feedback circuit, an isolator diode D1, an enabling resistor R9, a filter, a comparison voltage selector R6 and an inverter. The utility model is mainly used for call dispatching among analog routine, analog group and digital group, can realize the intercommunication between stations under different communication modes, and can also realize the remote communication via other communication networks.

Description

The radio station is wireless, and group's tipping is put

Technical field

The utility model belongs to communication device expanded application technical field, relates to a kind of wireless repeater station, specifically, is that the tipping of the wireless group in a kind of radio station is put.

Background technology

Systems such as present field of wireless communication is conventional by simulation substantially, simulation cluster, Digital Clustering form.Application units also deposit several different systems simultaneously owing to reasons such as system upgrades, just have certain problem when the personnel of these different systems want to converse, and especially are not easy to the unified command scheduling under some urgent occasion.Because single the station transmitted the signal covering that can only realize certain limit, when the system of two apart from each others thought to converse mutually, it was just relatively more difficult to set up a passage rapidly, therefore, was badly in need of the tipping of a kind of wireless group and put appearance.

Summary of the invention

The purpose of this utility model is to provide the tipping of the wireless group in a kind of radio station to put, being mainly used in simulation conversation group conventional, that simulate between cluster, the Digital Clustering connects, can realize intercommunication between the radio station under the different communication modes, also can utilize other communication network to realize telecommunication by this device.

The purpose of this utility model is achieved in that the tipping of the wireless group in radio station puts, and its substantive distinguishing features is that it comprises transmitter unit radio station, receiving element radio station, voice switch and linear transformer;

Linear power supply is system's power supply, receives audio frequency and sends into transmitter audio input end and described voice switch, transmits by this voice switch control radio station;

Described voice switch comprises input filter capacitor C1, reference voltage regulator, amplifying circuit, comparison circuit integrated chip U1, feedback circuit, isolator diode D1, enables resistance R 9, filter, comparative voltage selector R6, inverter.

Above-mentioned radio station is wireless, and group's tipping is put, and wherein, in the described voice switch, its reference voltage regulator comprises resistance R 1, R2; Its feedback circuit comprises resistance R 3, R4, capacitor C 2; Its filter comprises capacitor C 3, resistance R 5; Its inverter comprises resistance R 7, R8, triode Q1.

Above-mentioned radio station is wireless, and group's tipping is put, wherein, the resistance R 1 of described filter capacitor C1 and reference voltage regulator, R2 links to each other, resistance R 1, R2 links to each other with 3 pin of comparison circuit integrated chip U1,2 pin of comparison circuit integrated chip U1 connect feedback circuit, output 1 pin of amplifying circuit connects 5 pin of comparison circuit integrated chip U1, isolator diode D1 connects 7 pin and 6 pin of comparison circuit integrated chip U1, the capacitor C 3 of filter circuit, resistance R 5 connects the negative pin of isolator voltage stabilizing didoe D1 and 14 pin of comparison circuit integrated chip U1,15 pin of comparison circuit integrated chip U1 connect the centre of adjustable resistance and take out pin, the 10 pin output of comparison circuit integrated chip U1 meets the input resistance R7 of reverser, and R7 output connects the collector electrode of triode Q1.

Above-mentioned radio station is wireless, and group's tipping is put, and wherein, described input power supply is the 220V civil power, is the 13.8V direct current after linear power supply step-down conversion, uses for system.

The utility model radio station is wireless, and group's tipping is put owing to adopted above-mentioned technical scheme, makes it compared with prior art, has following advantage and good effect:

1, all devices of the present utility model is installed in the chest, and chest is furnished with handle, and expert's handling place of what is the need for and wanting in office is therefore easy to carry.

2, the utility model only needs this equipment box is placed on the place that needs, and connects ride antenna or external antenna, adds that the 220V civil power gets final product work, therefore sets up simple and convenient.

3, because the utility model adopts integrated chip to judge speech energy, and therefore, the response time is fast, it is short that group connects the time.

4, because the utility model transmits and receives employing is the interface that the radio station carries, more reliable than the interface that get other inside; Voice switch is adjustable judgement, according to different output intensities, exports more reliable switching information, shows that through on-the-spot test repeatedly it is stable and reliable for performance.

Utilize the utility model very easily two or more communication system groups to be connected together, be convenient to unified command, also can use it for communication and connect the two places that have certain difficulty at crucial moment.Group as wireless telecommunication system scoops out usefulness, can realize the conversation between different phone groups, the different communication system.

Description of drawings

By the description of the following embodiment that the tipping of the wireless group in the utility model radio station is put, can further understand its practical novel purpose, specific structural features and advantage in conjunction with its accompanying drawing.Wherein, accompanying drawing is:

The structural representation that Fig. 1 puts for the tipping of the wireless group in radio station;

Among the figure, 1 for monitoring the radio station; 2 is the MOTOROLA ride; 3 is that group meets Kai Guan ﹠amp; The state indication; 4 is linear power supply;

The fundamental diagram that Fig. 2 puts for the tipping of the wireless group in radio station;

Among the figure, I, II are the radio station; III, VI are voice switch equipment; IV, V are build-out resistor; A is a signal ground; B, g are for receiving audio output line; C, f are the emission switch incoming line; D, e are Mike's audio frequency incoming line;

The main platform that Fig. 3 puts for the tipping of the wireless group in radio station with from platform communication means structural representation;

Among the figure, T1, T2 represent tranmitting frequency; R1, R2 represent receive frequency;

Fig. 4 puts the circuit theory diagrams of voice switch for the tipping of the wireless group in radio station.

Embodiment

As shown in Figure 1, 2, the tipping of the wireless group in the utility model radio station is put and is comprised transmitter unit radio station I, receiving element radio station II, voice switch III, VI and linear transformer;

Linear power supply 4 is system's power supply, receives audio frequency and sends into the audio input end of transmitter and the signal of voice switch III, VI, by voice switch III, the VI control wireless forwarding in radio station.

The utility model connects as the group of the communication system of radio station, and system's minimum is put by group's tipping and constituted outside two antennas and the 220V civil power of connecting.

When need not to use, this device can be placed in the emergency communication car or radio station signal-relay station machine room in, in case of emergency, will send to be hinged with to put to connect antenna, add and power on, choose and will send the phone group that connects just can realize different system, the voice intercommunication between the different phone groups.

Receive the radio station: radio signals solves audio signal one tunnel and gives transmitting station below receiving, and one the tunnel gives voice switch III, VI as Controlling Source.

Transmitting station: will receive audio frequency packing that the radio station solves and be carried on the carrier wave and launch, emission is controlled by voice switch III, VI.

Function between two radio station can be exchanged, and realizes semiduplex mode work.When a radio station received signal, this radio station was delivered to another radio station with audio signal and is controlled another radio station emission, made another group electric hand platform can receive audio signal.

The utility model scoops out usefulness as the group of wireless telecommunication system, can realize the conversation between different phone groups, the different communication system.

MOTOROLA ride 2 among Fig. 1 provides the encoding and decoding of speech information, the reception and the emission of carrier wave, is the parts of the core of this system; Group meets Kai Guan ﹠amp; State indication 3, the function of this module mainly contains two, and the one, whether enable to send and switch through the switch of sending out; The 2nd, the state indication of radio station work is as power supply indication, ptt switch, voice traffic etc.; Linear power supply 4 changes the 220V electric main output of into 13.8V direct current, and this module is the voltage stabilizing linear power supply, has high-power fan and large tracts of land fin, can satisfy long high-power output, dependable performance.

Voice switch III of the present utility model, VI comprise input filter capacitor C1, reference voltage regulator, amplifying circuit, comparison circuit integrated chip U1, feedback circuit, isolator diode D1, enable resistance R 9, filter, comparative voltage selector R6, inverter.

Wherein, reference voltage regulator comprises resistance R 1, R2; Feedback circuit comprises resistance R 3, R4, capacitor C 2; Filter comprises capacitor C 3, resistance R 5; Inverter comprises resistance R 7, R8, triode Q1.

Its workflow is:

Earlier antenna is connected to group of the present utility model tipping and puts, insert the 220V civil power, open the switch of the linear power supply 4 among Fig. 1, can monitor dialog context on radio station I, the II by monitoring radio station 1, send the group that connects with regard to opening among Fig. 1 to connect switch 3 if desired, at this moment

If radio station I receives carrier signal, its receiver module leaches the back decoding with audio signal from carrier wave, send by receiving audio output line b, be divided into two-way in the way, one the tunnel sends into voice switch III, by the judgement of this voice switch III, send the radio station is controlled in switch control information (high-low level variation) to the emission switch incoming line c of radio station II emission; Send into Mike's audio frequency incoming line e of radio station II behind the process build-out resistor IV of another road, just the audio coding packing of sending on Mike's audio frequency incoming line e is carried on another carrier wave when the control of radio station II on receiving emission switch incoming line c transmits and sees off.

If radio station II receives carrier wave, its workflow is same as described above generally, uniquely different is: both to transmit and receive frequency just the opposite.Signal ground a between radio station I, II makes two radio station I, II line altogether, because the audio frequency between two radio station I, the II is non-equilibrium signal, the pressure drop of the control line of departure also is for a ground wire, so need a common ground wire.

As shown in Figure 3, main platform A of the present utility model and can have following two kinds from the communication means between the platform B:

A kind ofly be: after hand platform A makes a call, the emission electric wave is transmitted to transferring equipment with frequency T2, the receiver module of radio station II in the intermediate station solves audio frequency (at this moment from carrier wave with frequency R2, frequency T2=frequency R2), by external interface that receives audio output line g and Mike's audio frequency incoming line d interface and the voice switch VI that delivers to radio station I through build-out resistor V, voice switch VI makes the interface of switching information being delivered to after the judgement radio station I emission switch incoming line f, after receiving switching information, the transmitter module of this radio station I sends with frequency T1 after with this audio coding, hand platform B receives this carrier wave, can hear dialog context.

Another kind is: after hand platform B makes a call, the emission electric wave is transmitted to transferring equipment with frequency T1, the receiver module of radio station I in the intermediate station solves audio frequency (at this moment from carrier wave with frequency R1, frequency T1=frequency R1), by external interface that receives audio output line b and Mike's audio frequency incoming line e interface and the voice switch III that delivers to radio station II through build-out resistor IV, voice switch III makes the interface of switching information being delivered to after the judgement radio station II emission switch incoming line c, after receiving switching information, the transmitter module of this radio station II sends with frequency T2 after with this audio coding, hand platform A receives this carrier wave, can hear dialog context.

Referring to Fig. 4, this figure is the voice switch circuit theory diagrams that the tipping of the wireless group in the utility model radio station is put.Its filter capacitor C1 and reference resistance R1, R2 links to each other, reference voltage regulator (resistance R 1, R2) 3 pin with comparison circuit integrated chip U1A link to each other, 2 pin of comparison circuit integrated chip U1A connect feedback circuit (resistance R 3, R4, capacitor C 2), the output of amplifying circuit is 5 pin that 1 pin of chip U1A meets comparison circuit integrated chip U1B, isolator diode D1 connects 7 pin and 6 pin of comparison circuit integrated chip U1B, filter circuit (capacitor C 3, resistance R 5) connects the negative pin of voltage stabilizing didoe D1 and 14 pin of comparison circuit integrated chip U1D, 15 pin of comparison circuit integrated chip U1D connect the centre of adjustable resistance R6 and take out pin, the output of comparison circuit integrated chip U1D connects reverser (resistance R 7, R8, triode Q1) input R7, the output of whole voice switch circuit connects the collector electrode of the triode Q1 of inverter.

Application flow of the present utility model is shown in Fig. 2,3,4:

The 220V civil power produces the 13.8V direct voltage to radio station and voice switch III, VI power supply after inserting linear transformer, when a radio station receives the signal of other radio station emission, after it was demodulated audio signal, the one tunnel gave Mike's audio input port in another radio station; Voice switch is sent on another road.Audio switch is carried in effective waveform after filter capacitor C1 filtering and sends into amplifying circuit on the reference voltage, multiplication factor is 1 times, waveform after the amplification behind comparison circuit integrated chip U1B and isolator diode D1 by filter circuit (capacitor C 3, resistance R 5) produces a direct voltage after the filtering and send into comparative voltage selector R6 comparator U1D, through and reference voltage relatively after output decision level, again by inverter (resistance R 7, R8, triode Q1) the reverse level of output is sent on the outside PTT control pin in another radio station, see also Fig. 4, launch after with the audio-frequency signal coding of receiving in the control radio station.

The key component that group's tipping that the utility model radio station is wireless is put is the debugging of voice switch, at first to the filtering of input audio signal, allow correct voice by outside simultaneously noise being isolated in, be that the multiplication factor of input audio frequency is controlled then, too conference makes audio distortion, too little meeting makes brownout after the filtering, is not easy comparison.The reference voltage of comparator can be regulated by resistance R 6, makes judgement more accurate.Because voice switch III, VI response time are very fast, make and send that to connect time-delay less.Owing to used different systems, different radio station, the audio frequency input/output terminal has inserted build-out resistor IV, V, thereby can improve speech quality.

Claims

1, the tipping of the wireless group in radio station is put, and it is characterized in that it comprises transmitter unit radio station, receiving element radio station, voice switch and linear transformer;

Linear power supply is system's power supply, receives audio input end and described voice switch that audio frequency is sent into transmitting station, by this voice switch control wireless forwarding in radio station;

Described voice switch comprises input filter capacitor C1, reference voltage regulator, amplifying circuit, comparison circuit, feedback circuit, isolator diode D1, enables resistance R 9, filter, comparative voltage selector R6, inverter.

2, the tipping of the wireless group in radio station according to claim 1 is put, and it is characterized in that in the described voice switch, its reference voltage regulator comprises resistance R 1, R2; Its amplifying circuit comprises resistance R 3, R4, C2 and U1A; Its comparison circuit comprises resistance R 6 and U1D; Its filter comprises capacitor C 3, resistance R 5; Its inverter comprises resistance R 7, R8, triode Q1.

3, radio station according to claim 1 and 2 is wireless, and group's tipping is put, it is characterized in that, the resistance R 1 of described filter capacitor C1 and reference voltage regulator, R2 links to each other, resistance R 1, R2 links to each other with 3 pin of comparison circuit integrated chip U1A, 2 pin of comparison circuit integrated chip U1A connect feedback circuit, the output of amplifying circuit is 5 pin that 1 pin of comparison circuit integrated chip U1A meets comparison circuit integrated chip U1B, isolator diode D1 connects 7 pin and 6 pin of comparison circuit integrated chip U1B, the capacitor C 3 of filter circuit, resistance R 5 connects the negative pin of isolator voltage stabilizing didoe D1 and 14 pin of comparison circuit integrated chip U1D, 15 pin of comparison circuit integrated chip U1D connect the centre of adjustable resistance R6 and take out pin, 16 pin of comparison circuit integrated chip U1D meet the input resistance R7 of reverser, the collector electrode of the output termination triode Q1 of whole voice switch circuit.

4, the tipping of the wireless group in radio station according to claim 1 is put, and it is characterized in that described input power supply is the 220V civil power, is the 13.8V direct current after linear power supply step-down conversion, uses for system.