CN2932846Y - Multi-channel intelligent telephone - Google Patents

Abstract

The utility model relates to a multi-path input multi-path output telephone call answering wired communication equipment, which comprises a plurality of telephones, a multi-path ring detecting and indicating circuit, a telephone and status circuit, a route selecting circuit, and a multi-path telephone connecting terminal connected with the multi-path ring detecting and indicating circuit, the utility model is characterized in that the multi-path intelligent telephone also comprises a CPU and a switching matrix circuit, the CPU is connected with the switching matrix circuit to exchange data, outputs of the telephone, the status circuit and the route selecting circuit is connected with the carry-in terminal of the CPU, the output of the CPU is connected with the multi-path ring detecting and indicating circuit, the carry-in terminal of the multi-path output telephone is connected with the switching matrix circuit which is connected with the telephone and status circuit. The multi-path input multi-path output telephone call answering wired communication equipment disclosed in the utility model integrates various automatic telephones, auto-command telephones, interphones, dispatching telephones, etc. thereby is applicable to offices with demands for multi-path or multiple kinds of telephones.

Description

The multi-line smart phone

(1) technical field

The utility model relates to the wire communication facility technology, relates in particular to the wire communication facility that a kind of multichannel input multichannel output call is replied.

(2) background technology

In some important office spaces, in the complex control room as the production scene, be equipped with multiple wire communication facility, and model specification is different.Wire communication facility can be divided into automatic telephone, automatic command phone, dispatching telephone, direct connection telephone four big classes, and their ring mode is feed and ring.This four classes phone can only insert telephone system separately, and each call gate takies a telephone line.Owing to will put ten multi-door phones miscellaneous in comprehensive control chamber; when occurring such as phone selection mistake, incoming call, regular meeting can't distinguish problems such as telephone bell; using for production management personnel's regular job makes troubles, even important information can occur and can't in time receive or report.

The function that does not also possess multichannel input, multichannel output in the existing phone and switch.Chinese patent 92215128 discloses " telephone user interface ", and this is a kind of conditioning unit that the multichannel user telephone call is replied, and it relates to a kind of telephone user interface, can operate the multichannel subscriber phone simultaneously with it.Chinese patent 01241973 discloses " a kind of telephone set multi-line transducer ", this transducer can make the device of multiple phone line road conversion at an enterprising row communication of telephone set, form by Circuit Switching Unit and ring indicating circuit, the multiplex telephony circuit is connected with the conversation dial-up circuit of telephone set via the mode of Circuit Switching Unit with multiselect one, the multiplex telephony circuit connects the ring indicating circuit respectively, can converse with multiplex telephony on a phone.The major function of above-mentioned patent is to select circuit to realize that a phone gets in touch with the phone of many circuits by speech channel, but do not have a plurality of phones many line phones are not got in touch with, and it only is suitable for the phone of same type, as automatic telephone.

(3) summary of the invention

The purpose of this utility model is to provide a kind of multi-line smart phone, this smart phone is the wire communication facility that a kind of multichannel input multichannel output call is replied, dissimilar phones such as automatic telephone, automatic command phone, direct connection telephone and dispatching telephone can be integrated, be applicable to the office space of multichannel and multiple class telephone requirements.

The utility model is achieved in that a kind of multi-line smart phone, comprise a plurality of phones, multichannel ring detection and display circuit, phone and status circuit, circuit is selected circuit, the multi-line phone inserts terminal and connects multichannel ring detection and display circuit, it is characterized in that: the multi-line smart phone also comprises CPU, switch fabric circuitry, CPU connects go forward side by side line data exchange of switch fabric circuitry, circuit selects circuit and phone and status circuit output to connect the CPU input, CPU output termination multichannel ring detection and display circuit, the multi-line phone inserts terminal and connects switch fabric circuitry, switch fabric circuitry answer machine and status circuit.

Described switch fabric circuitry is made up of relay switch matrix and Darlington drive circuit, and CPU connects Darlington drive circuit control relay switch matrix.

Described industrial phone change-over circuit connects switch fabric circuitry, and industrial phone change-over circuit is by forming from the amphitene circle, and the loud speaker of industrial phone is connected with the relay normally-closed contact of switch fabric circuitry through two taps from the amphitene circle.

The utility model adopts CPU control, for a kind of multichannel input multichannel is exported the wire communication facility that call is replied.Its beneficial effect is:

1, have enforcement " multi-to-multi " phone and switch and selection function, as required can also dilatation.

2, the user mode of all phones can be shown to the user in the acousto-optic mode, make the user distinguish different phones by vision, auditory perception.

3, the feed and the ring mode of the compatible multiple phone of the utility model, extract and the access of polytype wire communication facility bell signal is satisfied in conversion by bell signal, dissimilar phones such as automatic telephone (local call telephone), automatic command phone, direct connection telephone and dispatching telephone can be integrated.

4, telephone line intuitive display, selection are accurately convenient.

5, can reduce the indoor phone quantity of comprehensive control, improve indoor environment.

The utility model has overcome the deficiency of existing telephone machine, can be applicable to the office of multichannel and multiple class telephone requirements, and central control room etc. for example is for the user provides communication equipment more easily.

(4) description of drawings

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

Fig. 1 is the utility model multi-line smart phone operation principle block diagram;

Fig. 2 is a dislodging machine process chart;

Fig. 3 is the circuit process chart;

Fig. 4 is multichannel ring detection and display circuit figure;

Fig. 5 is phone and status circuit figure;

Fig. 6 is that CPU connects switch matrix circuit figure through the Darlington drive circuit;

Fig. 7 is switch matrix circuit figure;

Fig. 8 is industrial phone change-over circuit figure;

Fig. 9 is the CPU board circuit theory diagrams.

Figure 10 selects circuit theory diagrams for circuit.

Among the figure: 21 CPU, 22 multichannel ring detection and display circuits, 23 switch fabric circuitrys, 24 phones and status circuit, 25 circuits are selected circuit, 26 multi-line phone input terminals, 27 industrial phone change-over circuits.

(5) embodiment

Present embodiment is 2 the tunnel to select the multi-line phone of No. 16 phones, promptly is provided with two phones in the device, and these two phones can select 16 circuits to converse.

Referring to Fig. 1, a kind of multi-line smart phone, comprise a plurality of phones, multichannel ring detection and display circuit 22, phone and status circuit 24, circuit is selected circuit 25, CPU 21, switch fabric circuitry 23, the multi-line phone inserts terminal 26 and connects multichannel ring detection and display circuit 22, CPU 21 connects go forward side by side line data exchange of switch fabric circuitry 23, circuit selects circuit 25 and phone and status circuit 24 outputs to connect CPU 21 inputs, CPU 21 output termination multichannel ring detection and display circuits 22, the multi-line phone inserts terminal 26 and connects switch fabric circuitry 23, switch fabric circuitry 23 answer machine and status circuit 24.

Referring to Fig. 2, Fig. 3, the operation principle of multi-line smart phone is:

This phone is during as caller, and CPU 21 reads the off hook signal of phone and status circuit 24 and the track data signal that circuit is selected circuit 25, has judged whether that circuit selects, if having with regard to the entry-line handling procedure; The circuit handling procedure is responsible for differentiating the circuit key of being accepted, according to different phones and circuit key, CPU 21 drives switch fabric circuitrys 23 work, if No. 1 phone of phone and status circuit 24 off-hook, just the respective lines that the multi-line phone is inserted on the terminal 26 is received phone No. 1; If No. 2 phones of phone and status circuit 24 are off-hook, just the respective lines that the multi-line phone is inserted on the terminal 26 is received phone No. 2.This device designs according to the principle of time priority, i.e. whose first off-hook, and who connects earlier, if No. 1, No. 2 phones off-hooks simultaneously, No. 1 phone enjoys priority, and promptly connects No. 1 phone earlier, connects phone again No. 2.After using end, CPU 21 judges the phone on-hook signal of phones and status circuit 24, if confirm that phone on-hook is arranged, just cuts off the connection of its phone circuit.

This phone when called, when ring detection and display circuit 22 when the multi-line phone inserts terminal 26 and detects ringing signal, it carries out acousto-optic and shows, and can respond multichannel incoming call acousto-optic and show.If the user wins telephone set, CPU 21 detects the receiver off-book signal and the circuit of phone and status circuit 24 and selects 25 data-signal, and CPU 21 just carries out circuit to be handled, and the circuit handling process is responsible for differentiating the circuit key, and drives switch fabric circuitry 23 work.If No. 1 phone just the respective lines of multi-line phone access terminal 26, is connected to phone No. 1 through the corresponding contact of switch fabric circuitry 23; If No. 2 phones just the respective lines of multi-line phone access terminal 26, are connected to phone No. 2 through the corresponding contact of switch fabric circuitry 23.After using end, CPU 21 judges the phone on-hook signal of phone and status circuit 24 again, if confirm phone on-hook, just cuts off the connection of this phone.

When the phone of coming in was industrial paging telephone, except above-mentioned work, CPU 21 drove switch fabric circuitry 23 simultaneously and is communicated with industrial phone change-over circuit 27, realizes the broadcast of industry instruction voice.

Make a concrete analysis of the principle of each circuit below:

1, multichannel ring detection and display circuit 22,

Referring to Fig. 4, multichannel ring detection and display circuit 22 comprise importation 1-1, photoelectricity isolated location 1-2, ring detecting circuit 1-3, conversation point indicating circuit 1-4, ringing circuit 1-5.

The circuit that the multi-line phone inserts terminal 26 is connected with the 1L1/1L2 that shows 22 with multichannel ring detection, in order to prevent to be struck by lightning or the entering of various forceful electric power signals, at circuit importation 1-1 surge suppressor spare Z1, the Z2 that guard time reaches 1～10nS has been installed, when above various situation takes place, can effectively protect fast, make the equipment can safe work circuit; In order to obtain the more stable signal source that an energy and extraneous electric part are isolated, the step-down, polarity automatic switching circuit V1, the C1 that also adopt a cover to form in the circuit importation by rectification circuit and electric capacity.

For preventing to disturb, also added photoelectricity isolated location 1-2 in the importation, i.e. photoelectricity isolated location G1, effective isolation be connected between flip-flop on the telephone wire and outside line and the internal control circuit.

The 1-3 frame is a ring detecting circuit among Fig. 4, and ringing signal is by behind the 1-1 of ring detecting circuit importation, has become the switching value signal of a nearly 5V of amplitude at the secondary a output of optocoupler, is used to drive relay R L1 action after amplifying through operational amplifier LM1.

The 1-4 frame is conversation point indicating circuit among Fig. 4, and indicator light adopts red and green color light-emitting diode D1, and the bright expression of red colored lamp has the phone incoming call, promptly is in the callee, and the bright expression of green light is breathed out and promptly is in the calling party.The light on and off of red light are controlled by ring detecting circuit 1-3, and promptly after the actuating of relay, 1 pin of diode D1 is+24V to light red light emitting diodes D1.The light on and off of green light are controlled by the control signal f1 from CPU 21, and when this device was in the calling party, f1 was+24V to light green LED D1.

The 1-5 frame is a ringing circuit among Fig. 4, adopts general integrated ringing circuit IC7 to realize.When detecting bell signal, relay R L1 action, ringing circuit 1-5 work.Because the relation between ring part and each circuit is a logic OR, when arbitrary line work, All other routes have incoming call ringing circuit 1-5 to keep work.

2, phone and status circuit 24,

Referring to Fig. 5, DC5V is added on the normally-closed contact of hook switch of phone, and the other end of hook switch contact inserts the input of Schmidt trigger a.During on-hook, the Schmidt trigger input is a high level, output low level after trigger is anti-phase, and low level signal send CPU 21 expression phones to be in hook state; During off-hook, the Schmidt trigger input becomes low level, and output high level after trigger is anti-phase, high level signal send CPU 21 expression phones to be in off hook state.

3, switch fabric circuitry 23

Referring to Fig. 6, Fig. 7, switch fabric circuitry 23 is made up of 2 * 16 relay switch matrix and Darlington drive circuit.Switch matrix one end (1～16) inserts terminal 26 1 circuits with the multi-line phone and is connected the switch matrix other end (1L1～16L2) link to each other with phone.The action of switch matrix is subjected to the control of CPU 21 data-signals.Phone links to each other with the external call circuit by 2 * 16 switch fabric circuitry 23, forms the route of multichannel input multichannel output.The data-signal of CPU 21 (CPU OUT1～CPU OUT32) after Darlington drive circuit (ULN2004A * 5) amplifies, amplifying signal (J1～J32) relay on-off of switch matrix is controlled.

4, the change-over circuit 27 of industrial phone

Referring to Fig. 8, industrial phone is the access of the loud speaker of paging telephone, is undertaken by industrial phone change-over circuit 27.Industry phone change-over circuit 27 is by forming from the amphitene circle, the loud speaker of industry phone is connected with relay J 1 normally-closed contact a, the b of switch matrix in the switch fabric circuitry 23 through two taps 0,4 from amphitene circle BYQ2, and normally-closed contact a, b link to each other with outside line 1.When outside line 1 had the external command voice signal to call out, normally-closed contact a, the b of the relay J 1 by switch matrix sent loud speaker; When receiver off-book was also selected corresponding circuit, CPU 21 data-signals (CPU OUT1) drove the corresponding normally-closed contact disconnection of switch matrix in the switch fabric circuitry 23, cut-out instruction voice channel, and promptly a of relay J 1, b contact disconnect.

5, CPU 21 plate circuit theory diagrams

Referring to Fig. 9, provide the clock circuit of the clock signal of CPU 21 among the figure in No. 1 block diagram, be reset circuit in No. 2 block diagrams among the figure.CPU 21 is according to program running, switch fabric circuitry 23, circuit selected the data-signal of the phone dislodging machine etc. of circuit 25 and phone status circuit 24 handle and control.

6, circuit is selected circuit 25,

Referring to Figure 10, be that circuit is selected circuit in No. 1 block diagram among the figure, VDD and VSS are added on resistance and the electric capacity, and button is pressed the generation change in pressure drop, and the switching signal that button produces is sent the keyboard-coding processing of circuit, the corresponding external call circuit of button.

Be the keyboard-coding circuit in No. 2 block diagrams among Figure 10, the keyboard-coding circuit is made up of two three or eight decoders, send " CPU " to handle after three or eight decoders select signal to encode button.Three or eight decoder truth tables are referring to table 1.

Provide the circuit that circuit is selected circuit power in No. 3 block diagrams among Figure 10.

Table 1 three or eight decoder truth tables

INH	KEYC	KEYB	KEYA	“ON”CHANNEL
					H	×	×	×	NONE
L	L	L	L	Y0
					L	L	L	H	Y1
L	L	H	L	Y2
					L	L	H	H	Y3
L	H	L	L	Y4
					L	H	L	H	Y5
L	H	H	L	Y6
					L	H	H	H	Y7

7, the multi-line phone inserts terminal 27,

The multi-line phone inserts terminal 27 and uses the JF5 binding post, but the lead of tie-in line footpath 0.5～2.5mm square millimeter can satisfy the requirement of general conventional industrial communication line design.

The utility model is the wire communication facility that a kind of multichannel input multichannel output call is replied, dissimilar phones such as automatic telephone (local call telephone), automatic command phone, direct connection telephone and dispatching telephone can be integrated, overcome the deficiency of existing telephone machine, be applicable to the office of multichannel and multiple class telephone requirements, the places such as central control room of enterprises such as for example large-scale iron and steel, chemical industry, generating, can be the user communication equipment more easily is provided, can optimize operational environment simultaneously.

Claims (5)

1. multi-line smart phone, comprise a plurality of phones, multichannel ring detection and display circuit, phone and status circuit, circuit is selected circuit, the multi-line phone inserts terminal and connects multichannel ring detection and display circuit, it is characterized in that: the multi-line smart phone also comprises CPU, switch fabric circuitry, CPU connects go forward side by side line data exchange of switch fabric circuitry, circuit selects circuit and phone and status circuit output to connect the CPU input, CPU output termination multichannel ring detection and display circuit, the multi-line phone inserts terminal and connects switch fabric circuitry, switch fabric circuitry answer machine and status circuit.

2. multi-line smart phone according to claim 1 is characterized in that: switch fabric circuitry is made up of relay switch matrix and Darlington drive circuit, and CPU connects Darlington drive circuit control relay switch matrix.

3. multi-line smart phone according to claim 1 and 2, it is characterized in that: industrial phone change-over circuit connects switch fabric circuitry, industry phone change-over circuit is by forming from the amphitene circle, and the loud speaker of industrial phone is connected with the relay normally-closed contact of switch fabric circuitry through two taps from the amphitene circle.

4. multi-line smart phone according to claim 1, it is characterized in that: multichannel ring detection and display circuit comprise the importation, the photoelectricity isolated location, ring detecting circuit, conversation point indicating circuit, ringing circuit, the circuit that the multi-line phone inserts terminal is inserted in the importation, through importation surge suppressor spare and the step-down formed by bridge rectifier and electric capacity, behind the polarity automatic switching circuit, enter ring detecting circuit through the photoelectricity isolated location again, the ring detecting circuit control relay, relay drives ringing circuit, and conversation point indicating circuit is controlled by ring detecting circuit and CPU.

5. multi-line smart phone according to claim 1 is characterized in that connecting button after circuit selects circuit to comprise resistance capacitance series connection by multichannel, the button correspondence connects circuit selection circuit, keyboard-coding circuit and the power circuit that an external call circuit is formed.

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