CN1032617C

CN1032617C - Special telephone service accepting and processing station

Info

Publication number: CN1032617C
Application number: CN 92112252
Authority: CN
Inventors: 徐友备
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-10-09
Filing date: 1992-10-09
Publication date: 1996-08-21
Anticipated expiration: 2007-10-09
Also published as: CN1073816A

Abstract

The present invention relates to a special telephone service accepting and processing station which comprises a speech transmission and receiving signaling device FH and an audio signal generator and is provided with a plurality of accepting and processing switching controllers, wherein each controller has two output ends J11, J21 and J12, J22 which can be mutually switched, one output end is connected to the speech transmission and receiving signaling device FH, and the other output end is connected with a rectifier, a calling signal display, an optically coupled isolator, an amplification pusher and the audio signal generator. The present invention has the advantages of small size, simple structure and convenient operation; only one telephone can complete multiway accepting and processing, and the situations of disorder ringing sounds, easy erroneous judgment, etc. when a single machine is used for accepting and processing in the prior art are eliminated. The present invention can also be used as special telephones for use, such as hot-wire telephones, etc.

Description

Special telephone service accepting and processing station

The present invention relates to a kind of special telephone service accepting and processing station, belong to telephone communicating technology field.

Accepting of existing special telephone service, under the big situation of large-scale telephone office traffic carrying capacity, adopt the special-purpose equipment of accepting, its volume is big, complex structure, price is very high, therefore accepting at the less special telephone service of little telecommunications office or traffic carrying capacity, the main unit that adopts is accepted mode, promptly adopts the multi-section telephone to carry out multichannel and accepts, in this mode, the operator has mainly judged whether call request according to the phone ringing situation, under the situation as the bell call request simultaneously of two above phones, the operator just deals with relatively difficulty, occurs misjudgment phenomenon easily.

The purpose of this invention is to provide that a kind of volume is little, simple in structure, cost is low, can only just finish the special telephone service accepting and processing station that multichannel is accepted with a telephone.

The objective of the invention is to realize by following structure, comprising sending is subjected to words to send out number device FH and audio signal generator, its characteristics are to be provided with several and accept switching controller, each accepts switching controller all two output J11 that can switch mutually, J21 and J12, J22, a J11 in the output, J21 inserts to send and is subjected to words to send out number device FH, another J12, J22 then is connected with rectifier (2), the call signal display, optical coupling isolator (3), amplify pusher (4), rectifier, isolator is closed in the light corner, amplify pusher and connect successively, amplify the output termination audio signal generator of pusher.

Call signal display of the present invention can be made of a light-emitting diode XD, is series in the voltage circuit of optical coupling isolator; Also can be by NAND gate M3, M4, analog switch MK2, light-emitting diode XD constitutes, the output of NAND gate M4 links to each other with the input M31 of M3 and is provided with switch J3 therebetween, described analog switch MK2 is a switching transistor, after the NAND gate M4 is analog switch MK2 and light-emitting diode XD successively, and light-emitting diode XD directly inserts electronegative potential point and forms the loop.

The switching controller of accepting of the present invention is that two the putting of manual lockable removed the key diverter switch.

The switching controller of accepting of the present invention also can be by NAND gate M1, M2, analog switch Mk1 and the relay J of being controlled thereof constitute, analog switch MK1 is a switching transistor, the input M11 of NAND gate M1 is connected with the output of M2, this input M11 also is connected with the high potential point with electronegative potential point respectively, and the high potential contact between be provided with can automatically reset conversation operating key TJ, between another input M12 of the NAND gate M1 of each controller and electronegative potential point, have to reset by strong switch FWJ; Connect to send to be talked about and send out on number output J12 of device FH, the normal opened contact that J22 is connected on relay, connect on the output J11 of rectifier, the normally closed contact that J21 is connected on relay J.

The front end of accepting switching controller of the present invention is provided with closer (1), and by block signal display lamp BD, inaccessible locking key BSJ and resistance R 1 constitute.

Amplification pusher of the present invention (4) is and the direct-coupled triode BG of optical coupling isolator.

Volume of the present invention is little, simple in structure, easy to use, only just can finish multichannel like clockwork with a phone accepts, and has thoroughly eliminated ringing tone confusion when in the past accepting with the multi-section telephone, situations such as easy erroneous judgement.Can be used as special telephone service as 113,114,119 etc. handling desk, also can be used as special telephones such as hotlines and use.

Below in conjunction with accompanying drawing the utility model and embodiment are described in further detail.

Fig. 1 is the block diagram of structure of the present invention

Fig. 2 is the circuit diagram of example 1 of the present invention

Fig. 3 is the circuit diagram of the embodiment of the invention 2

With reference to Fig. 1, Fig. 2, the present invention includes send talked about impulse sender FH and audio signal generator, accepted switching controller, rectifier (2), call signal display, optical coupling isolator (3) and amplify pusher (4), according to outside line (N1, N2 ... Nx) difference can be provided with a plurality of switching controllers of accepting, switching controller can be manual, two put diverter switch J11, J12 and J21, J22 constitute by one group, it has two outputs, and words impulse sender FH is sent in output J12, a J22 connection; Another output J11, J21 is connected to by capacitor C 1, the rectifier (2) that resistance R 2 and bridge rectifier D1～D4 forms, be responsible for converting the call signal of outside line to direct current, output to by resistance R 3, R4, R5, the optical coupling isolator (3) that R6 and optical coupling pipe GD form, optical coupling isolator (3) can prevent that the call signal of other outside line from playing a reversed role, be provided with the call signal display between optical coupling isolator and the rectifier, described call signal display is made up of light-emitting diode XD, be series in the primary return of optical coupling isolator or the output of optical coupling isolator, also can be parallel to the optical coupling isolator, form the loop alone, can also be located at the output of optical coupling isolator, the output of optical coupling isolator is provided with and amplifies pusher (4), the output that is closed isolator by power tube and light corner directly is coupled, amplifying pusher (4) can connect with the call signal display, also can be in parallel with it; Amplification pusher (4) amplifies rear drive with signal and sends ring tone by the audio signal generator that capacitor C 2, buzzer Y form, operator switches to a certain road outside line (being made as Nx) Nx to send according to the situation of the demonstration of call signal display and is talked about impulse sender FH, and with this outside line conversation, accept and finish and this circuit can be resetted, can accept the calling of other circuit again.

With reference to Fig. 3, accept switching controller and also can form by NAND gate M1, M2, analog switch Mk1 and its relay J of controlling and the resistance R 11-R15 that is complementary, diode D5, the operating key TJ that converses.The output of NAND gate M2 is communicated with the input M11 of NAND gate M1, form a trigger, this input M11 also is connected with the high potential point with electronegative potential point respectively, and the high potential contact between be provided with conversation operating key TJ, between another input M12 of the NAND gate M1 that respectively accepts switching controller and electronegative potential point reset key switch FWJ and build-out resistor R0 are arranged, above-mentioned button TJ, FWJ are the self-return formula; Two normal opened contacts of relay are control output end J12, J22 respectively, control with sending to be talked about and send out being communicated with of number device FH, and two normally closed contacts are control output end J11, J21 respectively; Described analog switch MK1, MK2 are switching transistor.When outside line (being made as NX) when NX has call request, can press corresponding talk key TJ makes NAND gate M2 output and keeps high potential state, touch analog switch Mk1 engage relay power supply simultaneously, to call out outside line Nx switches to send and is talked about impulse sender FH, can converse with it, accept Bi Ze and press reset key FWJ, the input M12 of NAND gate M1 becomes electronegative potential, the trigger upset, the output of NAND gate M2 becomes electronegative potential by high potential, analog switch Mk1 disconnects, and relay J quits work, and outside line resets.

Of the present invention when exhaling Signal Monitor in parallel with optical coupling isolator or amplifier, when promptly forming the loop alone, described call signal display also can be made up of NAND gate M3, M4 analog switch Mk2, light-emitting diode XD and build-out resistor R7, R8, R9, R10, R16, diode D6, D7, capacitor C 3, the output of NAND gate M4 is connected with the input M31 of M3, form a trigger, be provided with switch J3 between the input of the output of NAND gate M4 and NAND gate M3, above-mentioned switch J3 is a contact accepting switching controller repeat circuit J.When outside line (being made as NX) when NX has call signal, the corresponding call Signal Monitor will be glittering, indicates the circuit NX of calling, and when operator presses the conversation operating key TJ of this circuit, the calling lamp of this circuit promptly extinguishes, and shows to be accepted.As multiway calling is arranged simultaneously, then multichannel all shows, whenever accepts one the tunnel, just extinguishes one the tunnel, and operator can handle by easy stages, has thoroughly eliminated the tinkle of bells your writing when the multi-section phone was accepted in the past, the situation that makes operator be difficult to deal with.

The present invention is provided with closer (1) before accepting switching controller, form by resistance R 1, inaccessible display lamp BD, lockable button BSJ and resistance R 1, call request that can inaccessible a certain road outside line when the operator presses inaccessible key BSJ, then can be forbidden this line call-up request.

A cutting key QJ is set before audio signal generator, pressed cutting key QJ after, audio signal generator is cut off, this moment operator can accept with the demonstration situation of call signal display.

Embodiment 1

With reference to Fig. 2, accept switching controller and be that one group of manual lockable is two puts conversion and remove key switch J11, J12, J21, J22, output J12, a J22 of switch pick and are talked about impulse sender FH, another output J11, J21 connect the rectifier of being made up of capacitor C1, resistance R 2, rectifier diode D1-D4 (2), call signal closer (1) is set accepting the switching controller front end, be made up of resistance R 1, inaccessible display lamp BD, lockable button BSJ, be the call signal display successively thereafter: XD forms by light-emitting diode; Optical coupling isolator (3): form by optical coupling pipe GD and build-out resistor R3-R6; Amplify pusher: by power tube BG and optical coupling pipe G1) directly coupling; Audio signal generator: form by buzzer Y and capacitor C2.Amplify between pusher and the audio signal generator and be provided with cutting key Q * J.

Embodiment 2

With reference to Fig. 2, this example is compared with embodiment 1, its difference is that the call signal display is made of light-emitting diode XD and a resistance, be connected the output of optical coupling isolator (3), another termination negative potential point, form the loop alone, promptly be in state in parallel with optical coupling isolator and amplifier.

Embodiment 3

With reference to Fig. 2, this example is compared with embodiment 1, and its difference is that described call signal display directly is connected in series with the output of optical coupling isolator by light-emitting diode XD and constitutes, and other is identical with embodiment 1.

Embodiment 4

With reference to Fig. 3, the switching controller of accepting of this example is the electronic relay formula, by NAND gate M1, M2, analog switch Mk1, relay J, diode D5 and build-out resistor R11-R15, the contact J11 of relay control, J12, J21, J22, conversation operating key TJ forms, the call signal display is by NAND gate M3, M4 analog switch Mk2, signal lamp XD, diode D6, D7, build-out resistor R7-R10, R16, capacitor C3 and accept the contact J3 that the relay J of switching controller controls and form, the call signal display is connected on the output of optical coupling isolator, above-mentioned analog switch Mk1, Mk2 is a controllable silicon, also can adopt switching transistor, other and

embodiment

1,2 is identical.

Embodiment 5

With reference to Fig. 3, this example is compared with embodiment 4, and its difference is that described call signal display directly by inserting the electronegative potential point behind the rectifier, forms the loop alone, promptly is in state in parallel with the optical coupling isolator, and other is identical with embodiment 4.

Claims

1, a kind of special telephone service accepting and processing station, comprising sending is subjected to words to send out number device FH and audio signal generator, it is characterized in that being provided with several and accept switching controller, each accepts switching controller all two output J11 that can switch mutually, J21 and J12, J22, a J11 in the output, J21 inserts to send and is subjected to words to send out number device FH, another J12, J22 then is connected with rectifier (2), the call signal display, optical coupling isolator (3), amplify pusher (4), rectifier, isolator is closed in the light corner, amplify pusher and connect successively, amplify the output termination audio signal generator of pusher.

2, special telephone service accepting and processing station as claimed in claim 1 is characterized in that described call signal display is made of a light-emitting diode XD, is series in the voltage circuit of optical coupling isolator.

3, special telephone service accepting and processing station as claimed in claim 1, it is characterized in that described call signal display is by NAND gate M3, M4, analog switch MK2, light-emitting diode XD constitutes, the output of NAND gate M4 links to each other with the input M31 of M3 and is provided with switch J3 therebetween, described analog switch MK2 is a switching transistor, after the NAND gate M4 is analog switch MK2 and light-emitting diode XD successively, and light-emitting diode XD directly inserts electronegative potential point and forms the loop.

4,, it is characterized in that the described switching controller of accepting is that two the putting of manual lockable removed the key diverter switch as claim 1,2 or 3 described special telephone service accepting and processing stations.

5, as claim 1,2 or 3 described special telephone service accepting and processing stations, it is characterized in that the described switching controller of accepting is by NAND gate M1, M2, analog switch Mk1 and the relay J of being controlled thereof constitute, analog switch MK1 is a switching transistor, the input M11 of NAND gate M1 is connected with the output of M2, this input M11 also is connected with the high potential point with electronegative potential point respectively, and the high potential contact between be provided with can automatically reset conversation operating key TJ, between another input M12 of the NAND gate M1 of each controller and electronegative potential point, reset key switch FWJ is arranged; Connect to send to be talked about and send out on number output J12 of device FH, the normal opened contact that J22 is connected on relay, connect on the output J11 of rectifier, the normally closed contact that J21 is connected on relay J.

6, as claim 1,2 or 3 described special telephone service accepting and processing stations, it is characterized in that the described front end of accepting switching controller is provided with closer (1), by block signal display lamp BD, inaccessible locking key BSJ and resistance R 1 constitute.

7, special telephone service accepting and processing station as claimed in claim 4 is characterized in that the described front end of accepting switching controller is provided with closer (1), and by block signal display lamp BD, inaccessible locking key BSJ and resistance R 1 constitute.

8, special telephone service accepting and processing station as claimed in claim 5 is characterized in that the described front end of accepting switching controller is provided with closer (1), and by block signal display lamp BD, inaccessible locking key BSJ and resistance R 1 constitute.