CN205092900U - Anti - accident manoeuvre personal call system - Google Patents

Abstract

The utility model relates to an anti - accident manoeuvre personal call system belongs to the jointly special communication equipment technical field of anti - accident manoeuvre of electric wire netting. It comprises telephone, sound console etc. And its characteristics are: the telephone passes through the terminal box, keeps apart coupling transformer to be connected with the sound console, and the sound console passes through the wire and connects the megaphone, satisfy the impedance match condition, cut off the telephone and each other disturb with the power of sound console, the telephone includes hookswitch connector spare, movable contact 1 -2 and speaking circuit amplifier, the isolation coupling transformer parallel connection of hookswitch connector spare, stationary contact 5 -6 is connected with the phone bell, contact 3 -4 and two -wire switching machine is connected, the original and ring circuit connection's of contact 3 -4 wire reconfiguration to movable contact 1 -2. Effectively avoid sound console steamer noise, realize the clear function of telephoning of record public address, the problem of the unable separation ringing current noise of present phone, make its cluster go into sound console and produce ear -piercing gas ship noise, result in manoeuvre meeting -place sound effects extremely poor is solved.

Description

A kind of anti-accident maneuver personal call system

Technical field

The utility model relates to a kind of anti-accident maneuver personal call system, belongs to power grid joint anti-accident maneuver private communication facility technical field.

Background technology

In order to improve the service technique level of regulation and control personnel, guarantee the safe operation of electrical network, electric power system all will organize power grid joint anti-accident maneuver every year.Manoeuvre is held at large meeting room usually, and the real time phone call of need to take part in a performance dispatcher and manoeuvre side amplifies in meeting-place, and meets the function that the incoming call simultaneously of multi-section phone breathes out, and makes participant judging panel and view and emulate personnel can grasp rehearsal overall process in detail.Because meeting room does not have dispatching desk, therefore cannot meet above-mentioned requirements, sound console and existing phone are directly connected can substantially realize amplifying, multi-section phone call-in and call-out functions simultaneously, but there is following defect:

When being first existing phone called terminal ringing, the ringing current that switch comes also can be gone here and there into sound console while startup phone jingle bell, the motor boat noise that called terminal ringing sound will sound very large, ear-piercing after sound console amplifies in manoeuvre meeting-place, how being separated from sound console by ringing-current noise time called, existing telephone machine cannot realize.

Next is that existing phone noise when double-talk is overlapping serious, normal talking is had a strong impact on because noise is excessive during call, and sound console cannot adjust and control AC signalling noise, therefore the non-constant of the acoustics in whole meeting-place, does not reach the requirement in manoeuvre meeting-place at all.

Summary of the invention

The purpose of this utility model is, there is provided one can match with sound console interface, effectively avoid ringing-current noise to seal in sound console, amplify and clear call function to make full use of the record of sound console dispatching exchange functional realiey, reach the anti-accident maneuver personal call system that manoeuvre meeting-place requires; Solve existing phone and cannot be separated ringing-current noise, ringing-current noise is sealed in after sound console is amplified and produce very large, ear-piercing gas ship noise, cause the non-constant of whole manoeuvre meeting-place acoustics, do not reach the problem that manoeuvre meeting-place requires at all.

The utility model realizes above-mentioned purpose by the following technical solutions

This anti-accident maneuver personal call system is made up of telephone set, isolation coupling transformer, sound console, loudspeaker, it is characterized in that: telephone set comprises ringing circuit, polar protective circuit, dial-up circuit, speaking circuit, handle, isolation coupling transformer; Telephone set is connected with sound console by isolation coupling transformer, terminal box, and sound console connects loudspeaker by wire; Meet impedance matching condition, the power supply cutting off telephone set and sound console is disturbed mutually;

The speaking circuit of telephone set comprises hook switch connector, and hook switch connector is made up of stage clip, moving contact 1-2, contact 3-4, fixed contact 5-6; Moving contact 1-2 is connected with speaking circuit amplifier, isolation coupling transformers connected in parallel, and connects sound console by isolation coupling transformer; Fixed contact 5-6 is connected with telephone ring circuit; Contact 3-4 is connected with two wires telephone exchange by wire, and the original wire reconfiguration be connected with ringing circuit of contact 3-4 is on moving contact 1-2.

The utility model beneficial effect is compared with prior art

This anti-accident maneuver personal call system realizes telephone set by isolation coupling transformer and is connected with the coupling of sound console, simultaneously, former for the contact 3-4 of the hook switch connector wire reconfiguration be connected with ringing circuit on moving contact 1-2, like this, when stage clip presses down reception bell signal, the input port of sound console is in open-circuit condition, only pick up the telephone machine receiver, when stage clip plays and when telephone set starts, call output line could form loop with sound console, successfully avoid the interference of ringing voltage, manoeuvre meeting-place is effectively avoided to occur ear-piercing gas ship noise, the call that amplifies is bright, pure, clear, greatly improve acoustics and the tonequality in whole manoeuvre meeting-place, solve existing phone and cannot be separated ringing-current noise, ringing-current noise is sealed in after sound console is amplified and produce very large ear-piercing gas ship noise, cause the non-constant of whole manoeuvre meeting-place acoustics, do not reach the problem that manoeuvre meeting-place requires at all.

Accompanying drawing explanation

Accompanying drawing 1 is a kind of overall structure schematic diagram of anti-accident maneuver personal call system;

Accompanying drawing 2 is the structural representation of the hook switch connector of telephone set speaking circuit;

Accompanying drawing 3 be the original line reconfiguration with ringing circuit of the contact 3-4 of hook switch connector to moving contact 1-2, the syndeton schematic diagram of telephone set and sound console;

Accompanying drawing 4 is the distributing position schematic diagram in a kind of anti-accident maneuver personal call system and manoeuvre meeting-place.

In figure: 1, telephone set, 2, isolation coupling transformer, 3, sound console, 4, hook switch connector, 5, loudspeaker, 6, terminal box.

Embodiment

Below in conjunction with accompanying drawing, embodiments of the present invention are described in detail:

This anti-accident maneuver personal call system is made up of telephone set 1, isolation coupling transformer 2, sound console 3, loudspeaker 5, and telephone set 1 comprises ringing circuit, polar protective circuit, dial-up circuit, speaking circuit, handle, isolation coupling transformer 2; Multiple telephone sets 1 is connected with sound console 3 by isolation coupling transformer 2, terminal box 6, and sound console 3 connects loudspeaker 5 by wire; Meet impedance matching condition, cut off telephone set 1 and disturb mutually with the power supply of sound console 3;

The speaking circuit of telephone set 1 comprises hook switch connector 4, and hook switch connector 4 is made up of stage clip, moving contact 1-2, contact 3-4, fixed contact 5-6; Moving contact 1-2 and speaking circuit amplifier, isolation coupling transformer 2 are connected in parallel, and connect sound console 3 by isolation coupling transformer 2; Fixed contact 5-6 is connected with telephone ring circuit; Contact 3-4 is connected with two wires telephone exchange by wire, and the original wire reconfiguration be connected with ringing circuit of contact 3-4 is on moving contact 1-2.(see accompanying drawing 1 ~ 4)

The mentality of designing of this anti-accident maneuver personal call system is as follows:

Tradition sound console and telephone set are two independently active bodies, and both electric pressures are different, when sound console being connected operation with telephone set, first their isolated from power must being come to the coupling between these two active bodies, make two equipment mutually not produce interfering noise.For solving the excessive problem of interfering noise, applicant successively adopts resistance balance method, the capacitive couplings mode of connection, but effect is all undesirable.Finally carry out transformer coupled mode test, isolation coupling transformer 2 is increased between telephone set and sound console, after debugging, telephone set 1 output sound is effective, sound console 3 Absorbable organic halogens controls the size of manoeuvre meeting-place sound, the effect that when reaching manoeuvre, two-party conversation overall process non-transformer interfering noise exports.(see accompanying drawing 1,3)

Applicant thinks and is realizing in the process that telephone set is connected with sound console, is necessary the circuit working principle of brief introduction once hook switch connector 4: telephone hook switch connector 4 is ringing telephone stations, start when answering call, caller telephone exchange two wires port answer switch send dialing tone and the important input of number dialing telephone call, output block.(see accompanying drawing 2)

Telephone hook switch connector 4 is arranged on telephone receiver and places place, when receiver is in hook state, stage clip presses down, the reed position of contact 3,4 correspondence is moved down to touch with fixed contact 5-6 to connect, now two wires telephone exchange (telephone set two wires) and telephone ringer ringing circuit are connected in parallel.When the machine is called, two wires telephone exchange circuit communication ringing voltage, telephone bell polarization circuit work makes ring.When picking up a receiver, namely when receiver is in starting state, stage clip moves, make the reed position of contact 3,4 correspondence is moved to touch with moving contact 1-2 and connect, now two wires telephone exchange (telephone set two wires) and telephone set dial system circuit connected in series of conversing is connected, and namely realizes call by telephone exchange loop.

Applicant is to the transformation of the hook switch connector 4 of telephone set 1 speaking circuit:

From above-mentioned brief introduction, the ringing circuit of telephone set 1 and telephone exchange circuit are parallel connection structure, and namely the process of called phone bell ring is: when the machine is called, stage clip is in depressed position, telephone exchange transmits ringing voltage, connects fixed contact 5-6, ring by contact 3-4; If do not change the line of hook switch connector 4, be directly directly connected with sound console 3 by existing phone, ringing current produces very large ear-piercing gas ship noise in manoeuvre meeting-place after will being amplified by loudspeaker 5.Therefore applicant is being originally connected on the wire reconfiguration of contact 3,4 on the reed of moving contact 1-2 place; Like this, when the machine is called, the input port due to sound console 3 is open circuit, ringing voltage cannot be received at all, when only having phone to start, output line could form loop with sound console 3, and this just successfully avoids the interference of ringing voltage, reaches extraordinary meeting-place acoustics.(see accompanying drawing 3)

Applicant is to the transformation of telephone set 1 wiring: first, prepare a set of plug, socket, the little isolation coupling transformer 2 of 6V or 12V, glass cement, small capacitor etc., socket is arranged on the hole for subsequent use of telephone set 1, by wire bonds to the secondary of isolation coupling transformer 2, again by the former limit wire bonds of isolation coupling transformer 2 on the reed of the moving contact 1-2 of hook switch connector 4, after wiring completes, with glass cement, isolation coupling transformer 2 is bonded to the inner appropriate location of telephone set 1, then cover the shell of telephone set 1.Like this, one can mate with sound console 3 telephone set 1 be connected and namely reequips complete.Only need plug connecting line during manoeuvre just can debug and employ.Make simple, durable.Shown by the actual use repeatedly in manoeuvre meeting-place, this anti-accident maneuver personal call stable system performance, call amplifies without noise, and result of use is good.

This anti-accident maneuver personal call system is with strong points, according to the needs of electrical network anti-accident maneuver, when not possessing dispatching desk, utilizes exclusive telephone 1 to be connected solving practical problems with the coupling of sound console 3, uses scene flexible, applied widely;

The making method for designing of telephone set 1 is unique, solves the problems such as the impedance matching between telephone set 1 and sound console 3, speech crosstalk, isolated from power dexterously, has filled up the blank of this product.And small investment, instant effect, the production and assembly of telephone set 1 are simple and convenient.

The above is the embodiment of this utility model, above-mentioned illustrating is not construed as limiting flesh and blood of the present utility model, person of an ordinary skill in the technical field can make an amendment above-mentioned embodiment or be out of shape after having read this specification, and does not deviate from essence of the present utility model and scope.

Claims (1)

1. an anti-accident maneuver personal call system, it is made up of telephone set (1), isolation coupling transformer (2), sound console (3), loudspeaker (5), it is characterized in that: telephone set (1) comprises ringing circuit, polar protective circuit, dial-up circuit, speaking circuit, handle, isolation coupling transformer (2); Telephone set (1) is connected with sound console (3) by isolation coupling transformer (2), terminal box (6), and sound console (3) connects loudspeaker (5) by wire; Meet impedance matching condition, cut off telephone set (1) and disturb mutually with the power supply of sound console (3);

The speaking circuit of telephone set (1) comprises hook switch connector (4), and hook switch connector (4) is made up of stage clip, moving contact 1-2, contact 3-4, fixed contact 5-6; Moving contact 1-2 and speaking circuit amplifier, isolation coupling transformer (2) are connected in parallel, and connect sound console (3) by isolation coupling transformer (2); Fixed contact 5-6 is connected with telephone ringer; Contact 3-4 is connected with two wires switch by wire, and the original wire reconfiguration be connected with ringing circuit of contact 3-4 is on moving contact 1-2.