CN2626144Y - Wireless telephone relay interface - Google Patents
Wireless telephone relay interface Download PDFInfo
- Publication number
- CN2626144Y CN2626144Y CN 03256828 CN03256828U CN2626144Y CN 2626144 Y CN2626144 Y CN 2626144Y CN 03256828 CN03256828 CN 03256828 CN 03256828 U CN03256828 U CN 03256828U CN 2626144 Y CN2626144 Y CN 2626144Y
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- circuit
- relay
- resistance
- control circuit
- triode
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Abstract
The utility model relates to a wireless telephone relay interface, which comprises a receiving control circuit, a ringing control circuit, an audio circuit and a simulated dialing circuit, and is characterized in that the receiving control circuit is connected with the audio circuit and the simulated dialing circuit, and a trunk. The ring control circuit is connected with the trunk. The utility model has the advantages of reasonable design, stable and reliable operation of the circuit, small power consumption, small size and low cost, and is more particularly suitable for the switch network of enterprises and institutional units, and is the ideal wireless telephone relay interface, which is used between the telephone of the switching programming control exchange users and the telephone of other networks, and the telephone of the limited network.
Description
Technical field
The utility model relates to radiophone and the interconnective interface of stored-program control exchange that use a kind of communications field, particularly relates to the radiophone trunk interface of the use of communicating by letter between a kind of subsets of realizing stored-program control exchange and other network telephone and the finite element network telephone set.
Background technology
General stored-program control exchange trunk line is wired access, and wireless alternative trunk interface is not also found as yet at present.
Summary of the invention
The purpose of this utility model provides a kind of electronic circuit that adopts to realize conversion between radiophone and the stored-program control exchange trunk interface, realizes the radiophone trunk interface that the heterogeneous networks telephone set can dial each other and can converse.
To achieve these goals, the technical solution adopted in the utility model is: constitute by carrying machine control circuit, ring control circuit, voicefrequency circuit and analog dialup circuit, its structural feature is, carries the machine control circuit and is connected with voicefrequency circuit, analog dialup circuit, is connected with trunk line; The ring control circuit is connected with trunk line.
The utility model is reasonable in design, and circuit working is reliable and stable, and power consumption is little, and volume is little, and cost is low.The switch network that is particularly suitable for enterprises and institutions uses.
Description of drawings
Fig. 1 is the utility model circuit block diagram.
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with drawings and Examples in detail the utility model is described in detail.
As Fig. 1, the utility model is formed by putting forward machine control circuit 25, ring control circuit 26, voicefrequency circuit 23 and 24 4 parts of analog dialup circuit.Concrete syndeton such as Fig. 2 carry the machine control circuit and are made up of rectifier diode 1, resistance 2,4,7, electric capacity 3,4,9, voltage stabilizing didoe 5, relay 8, triode 9.Resistance 2,4 and voltage stabilizing didoe 5, element 6 are concatenated into closed circuit, are connected with resistance 7, relay 8.Element 6 is that a photoelectrical coupler is made up of light-emitting diode and phototriode.The emitter of the phototriode in one end of resistance 7 and the photoelectrical coupler 6 is connected, and the other end is connected with the base stage of phototriode 9.An intermediate contact of relay 8 is connected with the machine of the carrying switch 27 of radiophone with corresponding with it static contact, another contact of relay 8 is connected with voicefrequency circuit 23, analog dialup circuit 24, Dui Ying dynamic contact is connected with trunk line 22 by electric capacity 28 with it, carries machine switch 27 and is connected with voicefrequency circuit 23, analogue signal circuit 24.Wherein carry machine switch 27 and be connected with the machine of the carrying switch of radiophone, trunk line 22 is connected with the speech end of radiophone, and analog dialup circuit 24 is connected with the dial peer of radiophone.The effect of current-limiting resistance 2,4 and voltage stabilizing didoe 5 is the voltage that detects resistance 4 two ends, when the voltage at resistance 4 two ends during greater than the voltage stabilizing value of voltage stabilizing didoe 5, rectifier diode 1 and voltage stabilizing didoe 5 conductings, make the lumination of light emitting diode in the photoelectrical coupler 6, add positive voltage for phototriode 9 by current-limiting resistance 7, phototriode 9 conductings promote relay 8 actions.Because intermediate contact of relay 8 and with it the static contact of correspondence be connected to the machine of the carrying switch 27 of radiophone, can control the machine of carrying of radiophone; Another intermediate contact of relay 8 is connected to voicefrequency circuit 23 and analog dialup circuit 24, and Dui Ying dynamic contact is connected to trunk line 22 by electric capacity 28 with it, and this connected mode plays the effect that audio signal is transmitted mutually between trunk line and the radiophone.28 signal couplings of electric capacity.Electric capacity 3 is connected in parallel on the light-emitting diode two ends in the photoelectrical coupler 6, strobes.Voicefrequency circuit 23 is connected to the speech end of radiophone, and analog signal 24 is connected to the dial peer of radiophone.Bell signal circuit 21 is connected with the ring output of radiophone.
The bridge rectifier that the ring control circuit is made up of diode 10,11,12,13, electric capacity 15, photoelectrical coupler 16, current-limiting resistance 17, triode 18, relay 19 are formed, the input of rectification circuit is connected with bell signal 21, and bell signal is carried out rectification.The output of rectification circuit is connected with photoelectrical coupler 16 by resistance 14, electric capacity 15, and photoelectrical coupler 16 is made up of light-emitting diode and triode.The emitter of the triode of photoelectrical coupler 16 is connected with the base stage of triode 18 by current-limiting resistance 17, and the collector electrode of triode 18 is connected with relay 19, and relay 19 is connected with power supply 20.In ringing circuit, the voltage after the bridge rectifier rectification is added in the two ends of the light-emitting diode of photoelectrical coupler 16 through current-limiting resistance 14, makes lumination of light emitting diode.Add positive voltage for triode 18 by current-limiting resistance 17, triode 18 conductings promote relay 19 actions.The intermediate contact of relay 19 is connected on the tie point of resistance 2,4, and static contact is connected on one group of power supply of power supply 20, for carrying machine circuit 25 and trunk line 22 provides power supply; Dynamically contact is connected on another group power supply of power supply 20, for trunk line 22 provides the AC signalling power supply.Trunk line 22 is connected on the tie point of resistance 4 and voltage stabilizing didoe 5, and is connected with electric capacity 28.The light-emitting diode two ends that electric capacity 15 is connected in parallel on photoelectrical coupler 16 strobe.
The course of work of the present utility model: in the circuit initial condition, one group of positive voltage that intermediate contact and the static contact of the tie point of resistance 2,4 by relay 19 is connected to power supply 20, the dynamic contact of relay 19 is connected to the ringing voltage of power supply 20, and the both end voltage of resistance 4 is zero.When the trunk line 22 that is connected to the stored-program control exchange trunking port has CU, the positive voltage of resistance 2,4 tie points forms the loop by the no-voltage of resistance 4, trunk line 22 and power supply 20, resistance 4 two ends produce voltage, this voltage is greater than the voltage stabilizing value of voltage stabilizing didoe 5, and resistance 1, voltage stabilizing didoe 5 conductings make the lumination of light emitting diode of element 6, add positive voltage for phototriode 9 by current-limiting resistance 7, phototriode 9 conductings promote relay 8 actions, and radiophone is carried machine; One intermediate contact of relay 8 and corresponding with it dynamic contact are connected to voicefrequency circuit 23 and analog dialup 24 on the trunk line 22 by electric capacity 28.At this moment radiophone send dialing tone by voicefrequency circuit 23 to trunk line 22, double-audio signal makes the radiophone dialing by analog dialup circuit 24, FD finished dialing, radiophone send speech by voicefrequency circuit 23 to trunk line 22, the user of trunk line send speech by voicefrequency circuit 23 to radiophone, realizes conversation.After the user of trunk line hung up the telephone, circuit returned to initial condition.When radio telephone has ring output, bell signal circuit 21 carries out rectification by bridge rectifier, this voltage is through current-limiting resistance 14 and electric capacity 15 filtering, be added in the light-emitting diode two ends of photoelectrical coupler 16, make it luminous, triode 18 conductings of photoelectrical coupler 16 add positive voltage for triode 18 by current-limiting resistance 17, triode 18 conductings promote relay 19 actions.At this moment, the ringing voltage of power supply 20 send ringing voltage for trunk line 22 through the dynamic contact and the intermediate contact of relay 19 by resistance 4, after the user of trunk line mentions phone, resistance 2, the ringing voltage of 4 tie points is by resistance 4, the no-voltage of trunk line 22 and power supply 20 forms the loop, resistance 4 two ends produce voltage, through diode 1 rectification, electric capacity 3 filtered voltages are greater than the voltage stabilizing value of voltage stabilizing didoe 5, voltage stabilizing didoe 5 conductings, make the lumination of light emitting diode of element 6, phototriode 9 conductings of element 6, add positive voltage for triode 9 by current-limiting resistance 7, triode 9 conductings promote relay 8 actions.One intermediate contact of relay 8 and corresponding with it static contact are connected to the machine of the carrying switch of radiophone, and radiophone is carried machine and stopped ring, relay 8 cancellation actions; Another intermediate contact of relay 8 and corresponding with it dynamic contact are connected to voicefrequency circuit 23 and analog dialup circuit 24 on the trunk line 22 by electric capacity 28, at this moment radiophone send speech by voicefrequency circuit 23 to trunk line 22, the user of trunk line send speech by voicefrequency circuit 23 to radiophone, realizes conversation.After the user of trunk line hung up the telephone, circuit returned to initial condition.
Claims (3)
1, a kind of radiophone trunk interface constitutes by carrying machine control circuit, ring control circuit, voicefrequency circuit and analog dialup circuit, it is characterized in that, carries the machine control circuit and is connected with voicefrequency circuit, analog dialup circuit, is connected with trunk line; The ring control circuit is connected with trunk line.
2, radiophone trunk interface according to claim 1, it is characterized in that, carry the machine control circuit by diode (1), resistance (2) (4) (7), electric capacity (3) (4) (9), voltage stabilizing didoe (5), relay (8), triode (9) is formed, resistance (2) (4) and voltage stabilizing didoe (5), photoelectrical coupler (6) is concatenated into closed circuit, with resistance (7), relay (8) connects, an intermediate contact of relay (8) is connected with the machine of the carrying switch (27) of radiophone with corresponding with it static contact, another contact and the voicefrequency circuit of relay (8), the analog dialup circuit connects, Dui Ying dynamic contact is connected with trunk line (22) by electric capacity (28) with it, carries machine switch (27) and voicefrequency circuit (23), analogue signal circuit (24) connects.
3, radiophone trunk interface according to claim 1, it is characterized in that, the bridge rectifier that the ring control circuit is made up of diode (10) (11) (12) (13), electric capacity (15), element (16), current-limiting resistance (17), triode (18), relay (19) is formed, the input of rectification circuit is connected with bell signal circuit (21), output is by resistance (14), electric capacity (15) is connected with element (16), the emitter of the triode of element (16) is connected with triode (18) by current-limiting resistance (17), the collector electrode of the triode of element (16) is connected with power supply, the collector electrode of triode (18) is connected with relay (19), and relay (19) is connected with power supply (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03256828 CN2626144Y (en) | 2003-05-16 | 2003-05-16 | Wireless telephone relay interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03256828 CN2626144Y (en) | 2003-05-16 | 2003-05-16 | Wireless telephone relay interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2626144Y true CN2626144Y (en) | 2004-07-14 |
Family
ID=34254030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03256828 Expired - Fee Related CN2626144Y (en) | 2003-05-16 | 2003-05-16 | Wireless telephone relay interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2626144Y (en) |
-
2003
- 2003-05-16 CN CN 03256828 patent/CN2626144Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |