CN2212863Y - Multifunctional telephone switchboard apparatus - Google Patents

Abstract

The utility model relates to a multifunctional telephone switchboard apparatus which comprises a whole-line monitoring anti-theft alarming unit, a self ringing unit, a talking secret, host preferential engaged, extension pulling limit, free of ringing unit and an extension calling host unit. The whole-line monitoring anti-theft alarming unit comprises a potential discrimination unit, a loop blocking unit and an audio interference unit. The units and the partial units are connected by a dead lock button, a plurality of transistors, the diodes, the thyristors, the integrated circuit chips, an inductor, a plurality of resistor-capacitor elements, a luminescent tube and a short circuit key to respectively form the operating circuit of each unit and partial unit and realize the purpose of integrating the connection of the telephone divided into two, the telephone ringing switch used for preventing the theft, the secret telephone and the telephone pulling limit as a telephone switchboard apparatus between the telephone office and the subscriber telephone. The multifunctional telephone switchboard apparatus has multi-service item selection and is small, flexible and has low price.

Description

Multifunctional telephone switchboard apparatus

The utility model relates to a kind of telephone configuration device of communication terminal technical field, especially a kind of widely used multi-function telephones configurator.

Ordinary telephone subscriber is in order to improve the phone utilance, usually with the use directly in parallel of two phones of main extension.Like this have deficiency and inconvenience more: 1. outside line can not be antitheft; 2. main extension can't intercommunication, inconvenience switching calling; 3. conversation is not maintained secrecy; 4. extension set manageability etc. not.As use Device for anti-fraudulent use telephone line, and then can't solve the problem between the main extension, as using telephone scrambler or connector, can't solve the antitheft problem of circuit again.

The purpose of this utility model is and can overcomes the above problems at one stroke that it is connected between telephone office's circuit and the telephone set (can connect two phones), current collection is talked about and divided two connectors, Device for anti-fraudulent use telephone line, phone ringing adapter, telephone scrambler and phone limit to pull out device in one.

The purpose of this utility model is achieved in that a kind of multi-function telephones configurator, it comprises that all fronts monitor anti-theft alarm unit (1), Self-sound-produced bell unit (2), conversation is maintained secrecy, preferentially the line is busy for main frame, jingle bell unit (3), call extension main computer unit (4) are pulled out, exempted to the extension set limit; Wherein, monitor that completely anti-theft alarm unit (1) comprises current potential discriminating subdivision (5) again, subdivision (6) and audio disturbances subdivision (7) are blocked in the loop, and, the public components and parts that constitute above-mentioned each unit are: can not lock ammonium button AN I for three, the AN II, the AN III, five triode BG1, BG2, BG3, BG4, BG5, a thyristor BG6, two voltage-stabiliser tube CW1, CW2, six diode D1, D2, D3, D4, D5, D6, an IC sheet, a luminous tube ZS, an inductor L, a short circuit button AJ, a battery supply DC, a buzzer FM and several Resistor-Capacitor Units; It is characterized in that:

Described current potential is differentiated subdivision (5), 1 end of its AN I and outside line A point end join, and the quiet joint chalaza AN I 1-2 by the AN I is connected to A ' some end again, A ' some end joins with the negative pole end of CW1 again, 5 ends of the positive terminal of CW1 and AN III join and the quiet node AN III 5-6 that closes by the AN III joins with the base terminal of BG1, the end of R1 respectively again, the collector electrode of BG1, the BG2 emitter terminal that the VC point is held with being connected to, the emitter terminal of BG1 is connected to the base terminal of BG2, BG2 is connected to the positive terminal of DC, and the other end of R1 and the negative pole end of DC be ground connection simultaneously;

Subdivision (6) is blocked in described loop, shunt capacitor C2 between the base stage of its BG3, the two ends of emitter, in the base stage of BG3 and quiet be connected in series between the node AN II 3-4 diode D1, the resistance R 2 of closing of AN II, and the negative pole end of D1 and the base terminal of BG3 join, the collector terminal of BG3 is joined through resistance R 3 and A ' some end, emitter terminal and the ground wire of BG3 join, and the other end of AN II 3-4 is directly held with the V point and joined;

Described audio disturbances subdivision (7), 6 foots one tunnel of series resistor R8, its IC join with outside line B, are connected in series luminous tube ZS between another road of IC6 foot and the VC point through the negative pole end that ground wire and the emitter terminal of BG4 are connected to positive terminal, the D2 of diode D2 jointly between 4,5 foots of 1 foot of its IC through being connected in series capacitor C 1, its IC between 3,4 foots of VC point end joins with the collector terminal of BG1,2 foots of its IC are connected to BG4 through resistance R 2 base terminal, its IC, and the collector terminal of BG4 is joined through buzzer FM and A ' some end;

Described Self-sound-produced bell unit (2) closes inductor L in parallel between the node AN I 1-2 end at its AN I quiet;

Described conversation is maintained secrecy, preferentially the line is busy for main frame, the extension set limit is pulled out and is exempted from jingle bell unit (3), emitter terminal and base terminal reverse parallel connection D4 at its BG5, R5 in parallel again, the base terminal one tunnel of BG5 is connected to exempts from MIDI Select MLK and closes the main frame phone end that node M LK1-2 end D6 negative pole is ordered to C through its switch is quiet, the another road of the base terminal of BG5 is connected to the anode tap of BG6 and passes through the anode a of BG6, between the negative electrode K end oppositely and the D5 that connects and the D extension set phone end of ordering join, the base terminal of BG5 one the tunnel then unplugs the quiet node that closes of pass XBK3-2 through CW2 by limit again, the control utmost point g of R6 and BG6 extremely joins, and again at the g of BG6,3 R7 that are serially connected are connected in parallel between k two is extreme, C3, the collector terminal of BG5 is then divided one tunnel 1 end that is connected to XBK, another road is connected to the positive terminal of D3, and the negative pole end of D3 then joins with 5 ends of AN III;

Described call extension main computer unit is short circuit button AJ in parallel between two end points D, B of its extension set phone.When ordinary telephone set disposes this multi-function telephones configurator, owing to monitor the acting in conjunction of burglar alarm and other several working cells completely to circuit, for realizing that the purpose of this utility model has reached integrated, multi-functional effect.

Since adopted technique scheme the utility model it have completely monitor alarm, Self-sound-produced bell (realize the main extension intercommunication, change anti-, with the outside line Three-Way Calling), conversation maintains secrecy, main frame is preferential, multinomial service functions such as jingle bell is provided with are extracted and exempted to the restriction extension set.But also has small and exquisite advantage such as flexible, easy for installation, cheap.

Below in conjunction with drawings and Examples the utility model is further described:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is a circuit working schematic diagram of the present utility model.

Among the figure: 1-is anti-theft alarm unit completely; 2-Self-sound-produced bell unit; The 3-conversation is maintained secrecy, preferentially the line is busy for main frame, the jingle bell unit is pulled out, exempted to the extension set limit; 4-call extension main computer unit; The 5-current potential discriminates subdivision; Subdivision is blocked in the 6-loop; 7-audio disturbances subdivision.

Embodiment set of data device model and parameter that the utility model relates to are respectively:

BG1、BG2、BG5－C9012；BG3、BG4－ZN5551；BG6－T06；D1、D2、D3、D4、D5、D6－IN4001；IC－555；CW1－20V；CW2－10V；L－4100／400Ω。

Monitor that by Fig. 1,2, all fronts of the present utility model anti-theft alarm unit 1 is realized by anti-theft circuit.It differentiates that by current potential subdivision 6 is blocked in subdivision 5, loop and audio disturbances subdivision 7 is formed.Current potential is differentiated specifically being connected to of subdivision 5: outside line A termination can not be locked 1 end of button AN I, by the quiet node that closes of AN I 1-2 to A ' point, be connected to voltage-stabiliser tube CW1 negative pole, the anodal AN of company of CW1 III end, be PNP pipe with resistance R 1 one ends, BG1 with BG2(by quiet node to 6 two utmost points of triode BG1 that close of AN III 5-6) be connected into Darlington multiple tube (be BG1,2 two C extremely link to each other, the e utmost point of BG1 connect the b utmost point of BG2), then, the e utmost point of BG2 connects the positive pole of battery supply DC, battery source DC negative pole and the same earth connection of the 1R1 other end; The concrete connection that subdivision 6 is blocked in the loop is: the C utmost point of Da Sendun multiple tube (being the VC point) is connected to AN II end, closes that the b utmost point that node, resistance R 2 to diode D1 positive pole, D1 negative pole be connected to NPN type pipe BG3, the BG3C utmost point are connected to the e utmost point earth connection of A ' point, BG3 by R3 and at b, the e two ends shunt capacitance C2 of BG3 by AN II 3-4 is quiet; The concrete connection of audio disturbances subdivision 7 is: the VC point is connected to 1 end of ic chip, 2 ends are connected to the b utmost point of NPN pipe BG4 by R4, the BG4C utmost point is connected to A ' point by buzzer FM, the BG4e utmost point is worked as IC6 and is held same earth connection, IC3,4 termination capacitor C4,4,5 terminating resistor R8, signal connects and shows that lamp (being light-emitting diode) then is connected across between VC point and the ground wire, then ground wire is connected to diode D2 positive pole, the D2 negative pole is connected to outside line B end, its operation principle is as follows: normal static state (is that circuit is normal, the user puts the machine state) time, circuit both end voltage VAB48V(or 60V) positive voltage make CW1 oppositely not wear conducting by AN I 1-2, and be pressurized to multiple tube 6 utmost points through AN III 5-6, make it anti-(Vb＞4e) end partially, multiple tube C is extremely outstanding to be decided to be low-voltage 0V, and loop lockout circuit and audio disturbances circuit are not worked because of no working power.At this moment, CW1 in the telecommunications discriminating subdivision 5 and R1 series arm, high-ohmic cross-connection do not influence the electrical characteristic of circuit at the circuit two ends.Any one breaks on circuit, short or have the people to steal link to steal when hanging up, Uab is depressurized to 0V or 8V, be lower than the CW1 reverse breakdown voltage, CW1 ends, multiple tube conducting under the positively biased effect of battery supply, it is bright that VC is high potential (about 2V) light-emitting diode, sending light reports to the police, while VC melts subdivision 6 for the loop envelope and audio disturbances subdivision 7 provides working power, on the one hand, VC is by AN II 4-3, R2, the b utmost point that D1 is added to BG3 makes it conducting, and charge to C2, under the usual situation, when appropriator pulls out phone steathily in the interrupting pulse mode, Vab will do high, electronegative potential intermittently changes, because of the time-delay discharge process of C2 is arranged, so during pulse was disconnected, BG3 is conducting still, thereby effective blockade the interrupted loop of pulse, make appropriator can not pull out a pulse number.On the other hand, VC is added to IC piece 1 end and makes it work, at 2 end output audio signals, promotes BG4 work by R4, the FM that is serially connected in the BG4C utmost point is rung, send acoustic alarm, simultaneously to circuit send the audio disturbances signal, interference tones is sent, and send ear-piercing warning tones, make appropriator no matter be emitted in user's near-end or telephone office's far-end to appropriator, no matter extract with pulse or audio frequency mode, no matter circuit is long or short, all can't pull out and listen, and this is a dual-safety anti-theft.

The utility model Self-sound-produced bell unit 2(is applicable to the bell with electronic music phone).As long as inductance coil L in parallel at the AN of AN I I 1-2 two ends, the signal that can utilize anti-theft circuit to produce is realized Self-sound-produced bell.Its operation principle is such: when main frame need be called out extension set, take button off, the three secondary quiet nodes that close all disconnect.The AN5-6 of AN III disconnects, and makes multiple tube remove partially anti-and conducting, and Ve is high potential.AN II 3-4 disconnects, plainly block subdivision 6 from the loop, audio disturbances subdivision 7 is worked under the VC effect, because BG4 is operated in conducting and ends two states, so UA ' B is a ripple honeybee is 48V(or 60V) dc pulse signal of ripple 0V, be ringing signal, be sent to the phone end, make the main extension jingle bell, and outer line end because of isolating ringing signal, L does not have influence to telephone office's equipment.Release button, anti-theft circuit then returns to normal.This performance can realize that main frame calling extension set carries out intercommunication, transfer and functions such as outside line Three-Way Calling and ringing test.So the conversation power supply during because of intercommunication has signal tone when taking from the intercommunication of line fed power supply, can pull out a number arbitrarily and cut off noise, carry out brief dialogue then.

Conversation of the present utility model is maintained secrecy, preferentially the line is busy for main frame, bell unit 3 is pulled out and exempted to the extension set limit.Realize in conjunction with anti-theft circuit by the main extension connecting circuit.The concrete connection of main extension connecting circuit is: e, the b end of A ' some e utmost point that meets triode BG5, BG5 take out to and meet diode D4, again and the b utmost point of connecting resistance R5, BG5 connect three branch roads: 1. by D6+ ,-(D6 two ends and connect exempt from the quiet node M LK1,2 that closes of MIDI Select) to C point connects main frame phone end; 2. by BG6 silicon controlled A, the K utmost point (BG6A, K two ends oppositely and connect diode D5) to D point extension phone end; 3. unplug by limit and close XBK3, the 2 quiet nodes that close are connected to the controllable silicon triggering branch road of connect with resistance R 6 by voltage-stabiliser tube CW2 and control g, k two ends, 1 end of BG5C best XBK and the positive pole of diode D3 that the g utmost point, the R7 of BG6 connect with C3 and be attempted by BG6.5 ends of D3 negative contacts AN III.Its operation principle is such: when needs restriction extension set is extracted, pull open XBK, then XBK disconnects, XBK1,2 closures, the BG6 triggering signal is connected to the C utmost point of BG5, if extension set does machine, because of BG6 also ends because of Triggerless by, BG6 by putting e, c knot that BG5e, b tie not conducting, BG5 when static, thereby the restriction extension set is extracted effective management telephone expenses; When not limitting when pulling out, then recover XBK, at this moment, if extension set is put machine, e, the b of UAB by BG5 ties to triggering branch road triggering signal is provided, and BG6A, V two ends are added with positive bias so conducting.At this moment the about 8V of phone both end voltage, VA '=UBG5eb+UBG6A, K=9-10V.This current potential makes by BG5e, c knot words D3 that the multiple tube base stage is instead ended partially, anti-theft circuit is not worked, and this is the principle of main extension phone normal operation in normal just; When main frame and outside line conversation, the about 9V of VA '=UCB-UBG5eb, this moment, no matter where XBK placed, and VA ' always is lower than the CW2 reverse breakdown voltage, and CW2 ends, and BG6 can not get triggering signal and ends, thereby the conversation of disconnection extension set realization main frame is maintained secrecy; When extension set and outside line conversation, main frame can be monitored, if need preferentially take outside line the time, take button off, anti-theft circuit work, disconnect with AN I 1-2 this moment, L seals in circuit and the line resistance is increased, total feed current reduces, and through anti-theft circuit and the shunting of main frame branch road, die-offs by the electric current of extension set branch road again, be lower than BG6 and keep electric current, BG6 ends, thereby disconnects extension set, and main frame is acquired a priority; When main extension and outside line Three-Way Calling, add if do not wish extension set, main frame can lift that the ammonium button promptly disconnects extension set, if wish that extension set adds again, can the transfer mode tell extension set; When main frame needs interruption-free, pull and exempt from MIDI Select, MLK1,2 disconnects, and the ringing signal of incoming call is a direct current by the unidirectional rectification of D6, and phone can not jingle bell, but extension set still can jingle bell.During ringing-current is just partly solid, the BG5eb knot flows through electric current, the triggering branch road that makes BG5e, c knot (or e, b knot) be added to BG6 makes BG6 conducting between normal epoch, between the ringing-current negative half-cycle, oppositely be attempted by the D5 conducting at BG6a, k two ends,, pull out state so extension set is in limit so divide the function jingle bell, BG6 triggering and conducting and keep conducting between the ringing-current positive half period still can the auto-pickup calling.

Call extension main computer unit of the present utility model (is D at extension set phone two ends, the B two ends) and meet a short circuit ammonium button AJ(and take short circuit off, recover open circuit), utilize anti-theft circuit can realize this function, when extension set need be when intercommunication or transfer be carried out in the main frame calling, lift short circuit button AJ, 2 short circuits of DB, outside line is anodal by AN I 1-2, BG5e, b, BG6A, K gets back to the outside line negative pole, this moment UA '=UBG5eb+UBG6A, K is about 1.5V, this current potential passes through BG5e, c knot and the step-down of D3 forward, can not provide partially anti-to multiple tube, the multiple tube conducting, sound and light alarm is sent in anti-theft circuit work, with this as the signal of extension set in main frame.When extension set recovered the short circuit button, because of the phone two ends have 8V voltage approximately, even multiple tube ends, antitheft middle road quit work.

Since technique scheme comprehensively embodied the multi-functional characteristics of this configurator and can be flexible be connected between words between the circuit and substation, no matter thereby be in the management, scheduling in telephone exchange or in user's use, all produced the good effect of phone " companion ".

The all kinds of components and parts of being lifted in the foregoing description all can be bought in the commercially available prod, also can be with reference to above-mentioned being replaced with other commercially available components and parts product for example.

Claims (1)

1, a kind of multi-function telephones configurator, it comprises that all fronts monitor anti-theft alarm unit (1), Self-sound-produced bell unit (2), conversation is maintained secrecy, preferentially the line is busy for main frame, jingle bell unit (3), call extension main computer unit (4) are pulled out, exempted to the extension set limit; Wherein, monitor that completely anti-theft alarm unit (1) comprises current potential discriminating subdivision (5) again, subdivision (6) and audio disturbances subdivision (7) are blocked in the loop, and, the public components and parts that constitute above-mentioned each unit are: can not lock ammonium button AN I for three, the AN II, the AN III, five triode BG1, BG2, BG3, BG4, BG5, a thyristor BG6, two voltage-stabiliser tube CW1, CW2, six diode D1, D2, D3, D4, D5, D6, an IC sheet, a luminous tube ZS, an inductor L, a short circuit button AJ, a battery supply DC, a buzzer FM and several Resistor-Capacitor Units; It is characterized in that:

Described current potential is differentiated subdivision (5), 1 end of its AN I and outside line A point end join, and the quiet joint chalaza AN I 1-2 by the AN I is connected to A ' some end again, A ' some end joins with the negative pole end of CW1 again, 5 ends of the positive terminal of CW1 and AN III join and the quiet node AN III 5-6 that closes by the AN III joins with the base terminal of BG1, the end of R1 respectively again, the collector electrode of BG1, the BG2 emitter terminal that the VC point is held with being connected to, the emitter terminal of BG1 is connected to the base terminal of BG2, BG2 is connected to the positive terminal of DC, and the other end of R1 and the negative pole end of DC be ground connection simultaneously;

Subdivision (6) is blocked in described loop, shunt capacitor C2 between the base stage of its BG3, the two ends of emitter, in the base stage of BG3 and quiet be connected in series between the node AN II 3-4 diode D1, the resistance R 2 of closing of AN II, and the negative pole end of D1 and the base terminal of BG3 join, the collector terminal of BG3 is joined through resistance R 3 and A ' some end, emitter terminal and the ground wire of BG3 join, and the other end of AN II 3-4 is directly held with the V point and joined;

Described audio disturbances subdivision (7), 6 foots one tunnel of series resistor R8, its IC join with outside line B, are connected in series luminous tube ZS between another road of IC6 foot and the VC point through the negative pole end that ground wire and the emitter terminal of BG4 are connected to positive terminal, the D2 of diode D2 jointly between 4,5 foots of 1 foot of its IC through being connected in series capacitor C 1, its IC between 3,4 foots of VC point end joins with the collector terminal of BG1,2 foots of its IC are connected to BG4 through resistance R 2 base terminal, its IC, and the collector terminal of BG4 is joined through buzzer FM and A ' some end;

Described Self-sound-produced bell unit (2) closes inductor L in parallel between the node AN I 1-2 end at its AN I quiet;

Described conversation is maintained secrecy, preferentially the line is busy for main frame, the extension set limit is pulled out and is exempted from jingle bell unit (3), emitter terminal and base terminal reverse parallel connection D4 at its BG5, R5 in parallel again, the base terminal one tunnel of BG5 is connected to exempts from MIDI Select MLK and closes the main frame phone end that node M LK1-2 end D6 negative pole is ordered to C through its switch is quiet, the another road of the base terminal of BG5 is connected to the anode tap of BG6 and passes through the anode a of BG6, between the negative electrode K end oppositely and the D5 that connects and the D extension set phone end of ordering join, the base terminal of BG5 one the tunnel then unplugs the quiet node that closes of pass XBK3-2 through CW2 by limit again, the control utmost point g of R6 and BG6 extremely joins, and again at the g of BG6,3 R7 that are serially connected are connected in parallel between k two is extreme, C3, the collector terminal of BG5 is then divided one tunnel 1 end that is connected to XBK, another road is connected to the positive terminal of D3, and the negative pole end of D3 then joins with 5 ends of AN III;

Described call extension main computer unit is short circuit button AJ in parallel between two end points D, B of its extension set phone.

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