CN87200929U - Telephonic system controlled by computer - Google Patents

Abstract

Disclosed is a telephonic system controlled by computer, which is in particularly suitable for high layer dwelling buildings or similar office buildings and factories, etc. The system comprises a control switching device, a receiving and transmitting device, an address input device, an electronic computer, one or more than one converting devices and a plurality of telephones. The inner of the telephone can be provided with a decoding press button. Only when the user presses the press button, the sound of the user is transmitted to the control stand. Owing to that the address and energy source are carried out encode transmitting and code translating respectively through the converting device and the termination to connect the user, the system has the advantages of simple wiring, less wire consumption, small control stand area and easy operation.

Description

Telephonic system controlled by computer

The utility model relates to a kind of phone system, relates to a kind of computer-controlled phone system of electronics of using particularly, and it is specially adapted to high-rise residential building, or similar office block and industrial enterprise etc.

General phone system is to be connected with talk line respectively from central control board and each user, if the unit of residential building and so on adopts this system, then the lead logarithm of drawing from central control board will equate with user (resident family) number, a large amount of leads will be drawn from control desk, be pagoda shape and lead to each resident family or user, not only big with the line amount, and engineering is very complicated in construction.External common residential building phone system is provided with the button of each resident family on control desk, thereby the area of consing face increases along with the increase of resident family's number, makes control desk bulky, makes troubles to operation.

In order to overcome above shortcoming, the purpose of this utility model is the control by electronic computer, and a certain resident family or user's communications line are linked to each other with bus.So that the conversation between realization central control board and user or the resident family is as calling out or talking with.

Phone system of computerizeing control provided by the utility model comprises the control switching device, is talked about its feature of telecommunication equipment and comprises address input device, electronic computer, one or more conversion equipment and a plurality of communication.

Advantage of the present utility model is owing to adopt electronic computer to control and by conversion equipment the bus address sign indicating number is deciphered, the speaking wire and the bus at a certain family are connected, thereby the wiring of system is very simple, few with the line amount, simplified construction, and the utility model adopts the selected user's of 10 numeric keys door number, thereby the operations area of control desk is dwindled greatly, is convenient to manipulate.Particularly suitable for the residential building that number of users is concentrated.

Below in conjunction with accompanying drawing, most preferred embodiment of the present utility model is elaborated, wherein:

Fig. 1 is the schematic diagram of system of the present utility model;

Fig. 2 (a) is the schematic block diagram of conversion equipment; Fig. 2 (b) is the schematic block diagram of an embodiment of conversion equipment;

Fig. 3 (a) is the schematic block diagram of communication; Fig. 3 (b) is the signal schematic circuit of an embodiment of communication and the relative section of central control board etc.;

Fig. 4 is a functional-block diagram of the present utility model;

Fig. 5 is the control flow chart of electronic computer;

Fig. 6 is the block diagram of an embodiment of termination.

Below be that example describes with the high residential building building, but the utility model obviously goes for other buildings, also goes for the unit that the user makes plane distribution, wherein the zone can be equivalent to level.

Referring to Fig. 1, shown in Figure 1 comprises central control board 1 with the computer-controlled phone system of electronics, conversion equipment 3, communication 4, bus 5 and speaking wire 6 can be according to building level and a plurality of conversion equipments of size cases relative set, communication 4 is contained in indoor, and its quantity equates with number of users.Central control board 1 is the equipment that places in the night shift room.Conversion equipment 3, communication 4 buses 5 and speaking wire 6 are then for being installed in the equipment of body structure inside, building, also termination 2 can be set as required, bus 5 is drawn from the termination 2 of building bottom, run through each layer vertically upward, until top, the conversion equipment 3 of each layer joins with bus 5, and each conversion equipment can be drawn for example eight speaking wires, is connected with communication in eight men of resident family of this layer respectively.

10, one of 9, one reset keys of 8, one assignment keys of 0-9 10 numeric keys that can be provided as address input device on the panel of central control board 1 listen/are said operating key 11, and display unit 7 is as the microphone 12 of being talked about telecommunication equipment and receiver 13.The inside of central control board 1 comprises electronic computer 18, and this computer can adopt for example miniature single board computer, the amplification switching device of band audio frequency amplifier, the power supply 20 of usefulness such as confession computer usefulness and conversion equipment.Mains switch 15 is equipped with in the left side.

Referring to Fig. 2 (a) and Fig. 2 (b), conversion equipment contains decoder 25 and control switch 26, and after bus signals entered conversion equipment, bus can provide required power supply such as D.C. regulated power supply and address coding signal C is provided to conversion equipment ₂Holding wire in the bus is then linked control switch 26,25 pairs of bus address sign indicating numbers of address decoder in the conversion equipment are deciphered, after judging, address as resident family under corresponding this conversion equipment of this address code, then the communication circuit of this resident family is connected with bus, thereby the input a certain family the door number after, have only the speaking wire and the bus at this family to join in the whole building, so except this open air, the communication of other houses can not send the sound in calling and communication process.One embodiment of conversion equipment is shown in Fig. 2 (b).Geocoding can adopt level geocoding and door geocoding respectively.Available 7 address wires in the bus like this, level address wire is wherein delivered to the level decoder 31 in the conversion equipment, and the door address wire is then sent into the door decoder 32 in the conversion equipment.After in level is translated just door decoder 32 gatings.Behind certain address signal corresponding relays is connected in translating as the also selected general rule of door decoder 32, this relay can be the relay that two groups of contacts are arranged of suction type, wherein one group of contact is used to connect the speech line, the indicator light holding wire is connected on another road, and the heart yearn that transmits speech and indicator light signal is accordingly respectively also arranged in the bus.Above-mentioned address coding signal C ₂It is parallel convey, obviously also can be with holding wire, zero clearing line, three kinds of lines of clock line are parallel to be used, and address signal serial transmission in holding wire, " seal in and go out " handled square or add the split circuit square before " seal in and go out " handled square at this moment as long as add in conversion equipment.Certainly also can be superimposed upon power supply on the address signal line for the heart yearn of saving in the bus, in conversion equipment, the DC component in the address signal is taken out then, to circuit supply, can also be superimposed upon the indicator light signal on the speech line, or address signal and voice signal timesharing transmit, and this moment is as long as carry out switching controls in conversion equipment.Obviously in the control switch 26 in the conversion equipment except that with using electronic switch the relay.Geocoding can adopt binary coding.

Referring to Fig. 3 (a), 3(b), communication is the indoor equipment of user or resident family, can be loud speaker 41, also can add indicator light 44 or deciphering button 42, loud speaker 41 both can have been made speech or call signal receiving system, can make transmitter again and use.When not by deciphering button 42, receiver in loud speaker 41 and the central control board 1 is obstructed, thereby on central control board 1, can not hear indoor sound, be in confidential state with the information in the holding chamber and can not eavesdropped, only owner's speech just might pass to the receiver on the central control board 1 and finish conversation from loud speaker 41 when the chamber owner presses deciphering button 42.A kind of concrete enforcement circuit shown in Fig. 3 (b) is a kind of scheme that can save lead.Wherein decipher button 42 and be in parallel with circuit of LED 44 as indicator light, and then the filter circuit (L of the contact of the corresponding selective relay in conversion equipment 3 in control desk ₁, C ₂) link to each other R with power supply after the dividing potential drop ₁And R ₂The bleeder circuit of forming positive voltage source (for example 9 volts) is when deciphering button 42 does not press down time-division pressure side C ₄Be in high voltage, this voltage is through the contact of indicator light controller 27, L ₁, C ₂Filter network and conversion equipment in corresponding selective relay contact etc. deliver to indicator light 44, so indicator light 44 is bright, R ₄₃Be the dropping resistor of connecting, resistance R after pressing the deciphering button with indicator light 44 ₂By short circuit, C ₄Voltage drop to zero, indicator light 44 does not work simultaneously, can detect in the Electronic Accounting Machine Unit 18 of the present utility model as the voltage of signals C that allows conversation ₄Variation, thereby produce C ₆Control signal makes the loud speaker 41 in the communication 4 link to each other with receiver 13 on the control desk 1, just the acoustic information that can receive from communication 4 at control desk 1.Communication also can be telephone set or a kind of telecommunication equipment of being talked about obviously.

Referring to Fig. 4, Fig. 4 is total block schematic diagram, and control desk 1 includes electronic computer 18, ten key 8, assignment key 9, reset key 10 listen/is said operating key 11, microphone 12, receiver 13 can be the control transformation circuit that amplifies switching device, and the display unit 7 that can install additional, indicator light controller 29, the power supply 20 of usefulness such as the sub-computer of powering, conversion equipment 3 and amplification switching device etc.Electronic computer 18 can be with single board computer for example, and the signal of input has from the input signal C as the level of the ten key of address input device and door number ₁, from the call signal C of assignment key 9 ₃, from the reset signal C of reset key 10 ₅, reach signal C from communication 4 ₄(or claiming decrypted signal) signal of output has doorbell call signal S1, controls the control signal C of first, second adapter 21 and 22 ₆, be sent to the signal C of display 7 ₉,, be sent to the address coding signal C of conversion equipment 3 with the number or the prompt "-" of the level that shows input, door number ₂Listen/say 11 output control signal C on the position of " saying " of operating key ₇To first adapter, 21, the second adapters 22, and indicator light controller 29.Two adapters 21,22 all can be made up of for example relay, and this relay is subjected to the signal C of computer ₆And from listen/saying the control signal C of operating key 11 ₇Control and finish the switching task.This adapter can be not limited to use relay, also available electronic switch as switched operational amplifier, switching transistor, simulation-switch integrated circuit and other input signals controls of use logic OR.Also can use push-key, key switch etc. to carry out hand-guided.Be provided with audio frequency amplifier 23 in order to speech and doorbell signal are amplified, so that deliver to loud speaker or receiver.Termination 2 is generally made bus switching, can be equipped with in this termination 2 when needed to supply with the adapter of conversion equipment with power supply, so that selectively to relevant conversion equipment power supply.S among the figure ₁Be the doorbell signal; S ₂Voice signal for communication 4; S ₃Be the next voice signal of the microphone from control desk 1.Present embodiment is a simplex, so be added with the amplification switching device, this device comprises first adapter 21, audio frequency amplifier 23, second adapter 22, so that speech, doorbell signal are amplified.Two adapters 21 and 22 switching characteristic are described below respectively: promptly for first adapter 21, when being added with computer control signal C ₆The time call signal S ₁(being the C end) communicates with the input (being the d end) of audio frequency amplifier 23, when being added with from listen/saying the C of operating key 11 ₇During signal then from the S of microphone 12 ₃Signal (being the b end) should communicate with the input (being the d end) of audio frequency amplifier 23, and is not having C ₆And C ₇During signal, then from the S of communication 4 ₂Signal (being a end) should communicate with the input (being the d end) of audio frequency amplifier 23.Work as the control signal C that is added with to come from computer for 22 of second adapters ₆The time audio frequency amplifier 23 output (e end) should communicate with the acoustic signal end (g end) that leads to communication 4, also can communicate so that monitor with receiver 13 ends (being that f holds) simultaneously, when being added with from listen/saying the C of operating key 11 ₇The output of audio frequency amplifier 23 during signal (e end) communicates with the holding wire (g end) of the loud speaker that leads to communication 4; And when there not being C ₇During signal, the then output of audio frequency amplifier 23 (being the e end) communicates with the f end that leads to receiver 13.Obviously used receiver 13 also can be a loud speaker.Below in conjunction with the course of work of the present utility model relative section is further described.At first pressing the Men Hao of resident family of required contact successively with ten key, is No. 5,12 floor as this resident family, then can successively press 1,2,0,5 four numerical key, the signal C that numerical key produces ₁Send into electronic computer 18, computer compilation goes out corresponding digital signal C ₉, be sent to display 7, demonstrate the door number of this resident family, simultaneously electronic computer 18 also produces corresponding address coding signal C ₂If, find that from display 7 door pressed just now is number wrong, can click reset key 10, make electronic computer remove existing signal and get back to initial state, re-enter then.

After number input of correct door, press assignment key 9, electronic computer is received signal C ₃, promptly address signal C ₂Be sent to termination 2 from output port with parallel mode, address code signal C just occur on the bus in the building that is laid in this moment ₂, receiving signal C ₃The time, electronic computer 18 promptly produces and exports a string call signal S by the program that weaves in advance ₁Electronic computer 18 is also exported a control signal C simultaneously ₆, control first adapter 21, with call signal S ₁Be sent to audio frequency amplifier 23, when listen/saying operating key 11 in the position of listening because of there not being C ₇So signal is the call signal S after amplifying ₁A is through second adapter 22, and Ke Yilu send receiver 13, and another road is call signal S ₁A is sent to termination, enters bus then.Deliver to user's communication 4 again through conversion equipment 3.

The appropriate address code signal C that is produced at digital back electronic computer with the relevant levels of numerical key 8 input (or zone) and door number ₂After decoder 25 decodings of conversion equipment, control switch 26 is connected call signal S to the speaking wire of corresponding resident family and bus ₁A is sent to the loud speaker in the communication 4 of resident family, sends ring tone, and the indicator light 16 on communication 4 panels is bright simultaneously, if unmanned in the man of resident family, just then whole system would be in call state always.Under computer control, resident family's communication ceaselessly sends ring tone, when the operator on duty of control desk judges that nobody replys, can on control desk, click reset key 10, computer 18 just quits work, and originally the talk line of connecting disconnects, and whole system is in initial state.

After resident family hears ring tone, but the deciphering button 42 on the press-to-talk device 4, and the expression user allows conversation, its signal C ₄Through conversion equipment 3, deliver to computer 18 by bus.Promptly order stops to send call signal after computer 18 is received this signal, controls native system simultaneously and changes talking state over to from call state.When ring tone stops, this moment, resident family can be towards 1 speech of 41 pairs of control desks of the loud speaker in the communication 4.Loud speaker 41 in the communication 4 plays a part transmitter, the voice signal S that resident family sends at this moment ₂Enter control desk 1 through conversion equipment 3, bus, termination 2, listen/say that operating key 11 does not have control signal C when the position of " listening " ₇Output is so first transducer 21 is the speech S of resident family ₂Send into audio frequency amplifier 23, second adapter 22 delivered in the resident family's speech after the amplification, when listen/saying the position of operating key " listening ", with the speech S of resident family ₂A connects to receiver 13, just can clearly hear the speech of resident family the other person on duty of control desk.When the control desk person on duty need be when resident family talks, can press and listen/say operating key 11 on the control desk, make its be in " saying " thus position output C ₇, simultaneously because of no C ₆Signal is so make the voice signal S of microphone 12 outputs ₃Send into audio frequency amplifier 23 by first adapter 21, the person on duty's speech S after second adapter 22 will amplify ₃A sends into termination, delivers to resident family's communication 4 at last, and resident family can clearly hear person on duty's speech from communication loud speaker 41.When the person on duty waits for that resident family is answered, promptly listen/say operating key 11 to be in the position of " listening ", there is not C this moment ₇Signal, the control signal C of indicator light controller 29 outputs ₈(being the branch pressure voltage among Fig. 3 (b)) lights communication indicator light 44, when the person on duty talks, listen/says that operating key 11 is in the position of " saying ", has C ₇The signal input, thus make indicator light controller 29 no signal C ₈Output is so communication indicator light 44 extinguishes.Therefore when communication indicator light 44 was bright, the expression person on duty asked resident family to be talked.Behind the end of conversation, can press the reset key 10 on the control desk.Obviously as communication and talked about telecommunication equipment and all use telephone set then can save this amplification switching device.

Referring to Fig. 5, Fig. 5 is the control flow chart of computer.After beginning, computer 18 promptly is in init state, display reminding accords with "-" on display unit 7 then, accept the number (can comprise level number, door number) of keyboard input then, whether the decision gate trade mark is correct then, as incorrectly then turning back to again before " number of accepting the keyboard input " program, re-enters by reset key, if number is correct, then (the power supply sign indicating number will describe in conjunction with Fig. 6 below for calculated address sign indicating number and power supply sign indicating number.) export this address code and power supply sign indicating number then, export call signal S then ₁And control signal C ₆Scan user's deciphering button 42 then, judge again whether this button is pressed, as judge the user and do not press this button as yet and then turn back to and continue to produce call signal and control signal continues to call out, as judge the user and pressed the deciphering button and then call out and stop, and stop to export control signal, later on the conversation bus is inserted audio frequency amplifier 23, by person on duty and user session.After treating end-of-dialogue, the person on duty presses reset key, so this flow process finishes.

Referring to Fig. 6, power supply can be supplied with respectively by power supply 20 in the native system, when zone or level can install one or more termination 2 additional in bus output place more for a long time, termination can only play circuit switching effect, also can supply with selectively conversion equipment 3 used power supplys, the method of selecting is also to produce the power supply for example binary coding of encoding is arranged in electronic computer, and then in termination 2, load onto power supply decoder 71, switching device by the wherein for example contact of relay 72～80 is distributed to power supply on one tunnel bus selectively, a plurality of for example 8 conversion equipments 3 of this Lu Keyu link to each other, to its power supply.For example need to produce first kind of coding to first group of conversion equipment power supply computer-chronograph and deliver to power supply decoder 71 through bus, wherein corresponding decoding circuit work makes relay 72 connect electricity, and power supply is sent to first group of conversion equipment by the contact of relay 72 through bus.The many groups of decoder 71 may command of this termination for example 9 group relaies (72～80) are delivered in the bus 1,2,3 power supply respectively.Electric wire connecting junction 81 wherein only plays the switching effect, will assign to respectively the bus 1,2,3 from the bus that control desk comes and go.Also available electron switch replacement of relay obviously.Adopt behind this termination not only that the capacity of power supply can reduce in control desk, and because the sum of existing location, the supply old place coded system of selecting of power supply also can corresponding minimizing makes the circuit in each conversion equipment can generalization.

Claims (10)

1, a kind of computer-controlled phone system of electronics of using comprises the control switching device, is talked about telecommunication equipment, and its feature comprises address input device, electronic computer, one or more conversion equipment and a plurality of communication.

2, as claimed in claim 1 with the computer-controlled phone system of electronics, it is characterized in that above-mentioned control switching device is for comprising first adapter, the amplification switching device of second adapter and audio frequency amplifier.

3, as claimed in claim 1 with the computer-controlled phone system of electronics, it is characterized in that in above-mentioned communication, comprising indicator light and in above-mentioned control switching device, also comprise controlling apparatus for indicator lamp.

4, as claimed in claim 1 with the computer-controlled phone system of electronics, it is characterized in that above-mentioned communication is loud speaker or telephone set or is talked about telecommunication equipment.

5, the computer-controlled phone system of electronics of using as claimed in claim 1 is characterized in that comprising in the above-mentioned electronic computer address code signal generation device, the control signal generator means of call signal generation device and the output of controlling call signal.

6, as claimed in claim 1 with electronics computer-controlled phone system, it is characterized in that comprising in the above-mentioned electronic computer in decrypted signal input judgment means and the above-mentioned communication and also comprise the decrypted signal generation device.

7, as claimed in claim 2 with electronics computer-controlled phone system, it is characterized in that above-mentioned first, second adapter is made up of relay or electronic switch.

8, as claimed in claim 1 with the computer-controlled phone system of electronics, it is characterized in that also being provided with one or more termination 2, power supply decoder 71 is housed in this termination, power supply is distributed on one tunnel bus selectively according to the power supply code signal that comes from electronic computer.

9, as claimed in claim 1 with the computer-controlled phone system of electronics, it is characterized in that above-mentioned conversion equipment comprises decoder and transfer switch unit.

10, the computer-controlled phone system of electronics of using as claimed in claim 1 is characterized in that also being provided with display unit, so that show called party's address.

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