[go: up one dir, main page]

CN2252466Y - Building anti-theft time-limit secret multi-household selective intercom - Google Patents

Building anti-theft time-limit secret multi-household selective intercom Download PDF

Info

Publication number
CN2252466Y
CN2252466Y CN 96205639 CN96205639U CN2252466Y CN 2252466 Y CN2252466 Y CN 2252466Y CN 96205639 CN96205639 CN 96205639 CN 96205639 U CN96205639 U CN 96205639U CN 2252466 Y CN2252466 Y CN 2252466Y
Authority
CN
China
Prior art keywords
pin
another termination
circuit
negative pole
positive pole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 96205639
Other languages
Chinese (zh)
Inventor
苏少希
苏亚涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 96205639 priority Critical patent/CN2252466Y/en
Application granted granted Critical
Publication of CN2252466Y publication Critical patent/CN2252466Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Abstract

The utility model relates to a building anti-theft time-limit secret multi-household selective speak-back machine, comprising a microphone including a telephone receiver and a telephone transmitter, a machine shell, a conversion key, a loud-speaker, a dialing disc installed on the machine shell, a code sending key, and a discharge key. A circuit comprises a coding circuit, a demoding circuit, a dialogue circuit and an acoustic-optic display circuit. The utility model and an electric control door circuit are combined together. Not only the utility model has building anti-theft speak-back function, but also the utility model can conduct speak-back one household for one household and one household for multiple households. The utility model is used as interior telephones. The utility model also has time-limit secret speak-back function. The utility model has the advantages of convenient operation, good safety and anti-theft performance, and low price performance ratio.

Description

The antitheft secret multi-household selective intercom of prescribing a time limit in building
The utility model relates to the telephone set technical field that the user uses.
Existing building electronic anti-theft intercom can only the doorway, building and family dialogue, can not family and family dialogue, more can not be talked in a family by many families the privileged communication of can not prescribing a time limit, and installation and maintenance complexity.
The purpose of this utility model provides the antitheft secret multi-household selective intercom of prescribing a time limit in a kind of building, it can not only accomplish to talk with by doorway and certain family, and can accomplish to select in every family dialogue, and talk with many families at a family, can make the building intercommunication phone and use, installation and maintenance simultaneously are easy.
The utility model is achieved in that the antitheft intercom in a kind of building, comprise the microphone, the casing that contain receiver and transmitter, be contained in conversion key, loud speaker on the casing, it is characterized in that casing is provided with dial, signaling key and discharge key, its circuit comprises coding circuit, decoding circuit, to telephone circuit harmony light display circuit; The structure of coding circuit is:
Encoding block IC 1Totally 16 pin, 1 pin connects triode Qa emitter, and collector electrode connects 16 pin, base stage connecting resistance Ra one end, another termination capacitor C of Ra a, Ca other end ground connection, the positive pole of another termination of Ra Da, negative pole connects the end of K switch p, the other end ground connection of Kp, another termination of Ra Ka one end, another termination 16 pin of Ka; 2 pin connect triode Qb emitter, and collector electrode connects 16 pin, base stage connecting resistance Rb one end, another termination capacitor C of Rb b, Cb other end ground connection, the positive pole of another termination of Rb Db, negative pole connects the end of Kp, the other end ground connection of Kp, another termination of Rb Kb one end, another termination 16 pin of Kb; 3 pin connect the Qc emitter, and 4 pin meet Q DEmitter, 5 pin meet Q EEmitter, 6 pin meet Q FEmitter, 7 pin meet Q GEmitter, 9 pin meet Q HEmitter, 10 pin meet Q IEmitter, above-mentioned each pin concrete structure connects all with 1,2 pin; 8 pin ground connection, 11 pin meet R 6An end, R 6Another termination C 3An end and R 7An end; 12 pin meet C 3An end, C 3Another termination R 6An end and R 7An end; 13 pin meet R 7An end, R 7Another termination C 3An end and R 6An end; 14 pin meet K RAn end, K ROther end ground connection; 15 pin meet K R' an end, K R' the output of another termination coding, external yellow lead; 16 pin meet D 3Negative pole.
The structure of dialogue circuit is: audio signal is amplified piece IC 3Totally 8 pin, 1 pin connects capacitor C 10Positive pole, C 10Negative pole meets T 2One pin of input coil, T 2Another pin ground connection of input coil; 2 pin connect K switch MOne end, another termination power; 3 pin connect capacitor C 11Positive pole, C 11Negative pole meets C 12An end, C 12Another termination R 12An end; R 12Other end ground connection, C 11Negative pole connects an end of receiver, receiver other end ground connection; 4 pin ground connection; 5 pin meet C 8Positive pole, C 8Minus earth; 6 pin meet R 10An end, R 10Other end ground connection, 6 pin meet C 6Negative pole, C 6Positive pole meet C 13An end C 13Other end ground connection, C 6Positive pole meet adjustable resistance W 2Center head, W 2An end ground connection, W 2Another termination T 2The center head of output winding, T 2One termination adjustable resistance W of output winding 1An end, W 1The other end and center head ground connection, T 2Another termination C of output winding 14Positive pole, C 14Negative pole connect K switch 0Output, external blue lead; 7 pin connect capacitor C 9Positive pole, C 9Minus earth; 8 pin meet C 7Negative pole, C 7The positive pole tube of answering is anodal, microphone minus earth, C 7Positive termination R 11An end R 11Another termination 2 pin; Use decoding block IC in the decoding circuit 2Totally 16 pin; Being connected to of coding circuit and decoding circuit: encoding block 15 pin connect K switch R' an end, K R' another termination decoding block 9 pin;
Being connected to of decoding circuit and acousto-optic device circuit: the trigger electrode of ring connects decoding block 11 pin, resistance R 5A termination decoding block 11 pin;
Power supply, the ground wire of each part mentioned above are public, and external 4 leads of intercom are: power line (3), ground wire, input, output audio signal line (1), input, outupt coded signal line (2).
In order to open electric controlled door, and easy to use, can add following structure: said encoding block IC 11-7,9,10A pin or multiway in the pin connect K switch J/ or K W, K JOr K W1-9 diode cathode of another termination, diode cathode meets diode Da-D respectively IIn positive pole.
The line is busy in order to show this machine, can be provided with light-emitting diode D in circuit 5, its positive pole connects K switch 3One end, negative pole connecting resistance R 13One end, R 13Other end ground connection.
The doorway, building can add use at any time when accomplishing to talk to the family in the family, can add following structure: be provided with the discharge key K switch T, a termination D 1Negative pole, other end ground connection.
The structure of above-mentioned sound and light show circuit is: the trigger electrode of ring connects 11 pin of decoding block, and the power supply of ring connects K switch LAn end, an end of the output termination loud speaker of ring, the other end ground connection of loud speaker, R 511 pin of a termination decoding block, R 5Another termination Q 6Base stage, Q 6Grounded emitter, Q 6Collector electrode sending and receiving light pipe D 6Negative pole, D6 Positive pole connects K switch LAn end.Sound and light show circuit also can be following structure: will talk about the base stage of the output termination Q of sheet, and the negative pole of collector electrode sending and receiving optical diode D, the positive pole of D connects positive source, and emitter connects loud speaker, the other end ground connection of loud speaker.Or be other structures.
Above-mentioned intercom is the privileged communication of prescribing a time limit, and can set up with the secure circuit of prescribing a time limit, and its circuit structure is: D 1Positive pole meets K R' one end, D 1Negative pole meet C 1Positive pole, C 1Minus earth, D 1Negative pole connects K switch TAn end, K TOther end ground connection, D 1Negative pole meet R 1An end, R 1Another termination Q 1Base stage, Q 1Collector electrode connect power supply, Q 1Emitter meet R 3An end, R 3Another termination Q 3Base stage, Q 3Grounded emitter, Q 3Collector connecting relay J 1One pin of middle coil, another pin and the relay J of coil 1The switch center head connects power supply (K switch 1With K 3Public pin), K 3Another pin sending and receiving light pipe D 5Positive pole, D 5Negative pole meets R 13An end, R 13Other end ground connection, K 1Another termination D 3Positive pole, D 3Negative pole meets encoding block 16 pin, D 3Negative pole meet D 4Negative pole, D 2Positive pole meet decoding block 11 pin, D 2Negative pole meets C 2Positive pole, C 2Minus earth, D 2Negative pole meets R 2An end, R 2Another termination Q 2Base stage, Q 2Collector electrode connects power supply, Q 2Emitter meets R 4An end, R 4Another termination Q 4Base stage, Q 4Grounded emitter, Q 4Collector connecting relay J 2Middle coil one pin, another pin of coil and relay J 2The switch center head connects power supply, relay switch K 2Another termination D 4Positive pole, D 4Positive pole connects K switch LWith K MPublic pin; The annexation of the coding circuit and the secure circuit of prescribing a time limit is: encoding block 16 pin and D 3Negative pole joins, D 4Negative pole join, encoding block 15 pin connect K switch R' one end, K R' another termination D 1Anodal; Decoding circuit with the annexation of the secure circuit of prescribing a time limit is: decoding block 11 pin and D 2Positive pole joins, and power supply is public; The sound and light show circuit power supply is through K switch LJoin with two, three part power supplys; The dialogue circuit power is through K switch MJoin with two, three part power supplys.
Easier in order to use, can be in said coding circuit: another termination of Ra D 12Negative pole, positive pole meets K YOne end, K YAnother termination IC 116 pin; R IAnother termination D 11Negative pole, positive pole meets K YOne end, K YAnother termination IC 116 pin.
The utility model coding circuit principle:
When the Ka closure, charge to Ca, and make the conducting of Qabe knot through Ra, c, e ties conducting, and emitter output high potential is sent into encoding block 1 pin.When Ka disconnects, because capacitor C a discharges to the Qa base stage by Ra, the Qabe knot continues conducting, and emitter continues the output high potential, and can not be with the disconnection of Ka, the Qabe knot can not enter cut-off state at once, make Qa emitter high potential be kept a period of time, reach the time-delay purpose, under the time-delay state, continue to reach the purpose of exporting the multidigit coding simultaneously by other key letter.
K switch p closure can be given capacitor C a-C 1Up time is all discharged, and K switch p disconnects can be to capacitor C a-C IOn current potential kept.Da-D 1Can avoid Ca-C IOn current potential interfere with each other.
Secure circuit principle in limited time:
Utilize diode unilateal conduction characteristic, to electric capacity charging (C 1, C 2), through resistance (R 1, R 2) trigger triode (Q 1, Q 2) base stage, making its conducting, emitter output high potential is through resistance (R 3, R 4) trigger triode (Q 3, Q 4) base stage, make its conducting, control relay (J 1, J 2) adhesive.Control switch just, K 1With K 3, K 2Switching, reach this circuit in limited time, function of keeping secret.Capacitor C 1, C 2Discharge time control Q 1, Q 3, Q 2, Q 4ON time, J 1, J 2Pickup time.So can be by changing C 1, C 2Capacity, the time that changes in limited time, maintains secrecy.
The utility model can also be made intercommunication phone and use except that the intercommunication function with doorway, building and certain family, carry out a family to a family, a family to the intercommunication of many families, also can have the secret intercommunication function of prescribing a time limit.It is safe in utilization, convenient, and anti-theft is good, and function is many, and ratio of performance to price height is easy to utilize.
Be described further below in conjunction with embodiment and accompanying drawing, but not as to qualification of the present utility model.
Fig. 1 is the outline drawing of intercom one embodiment.
The intercom electrical schematic diagram of function of keeping secret when Fig. 2 is unlimited.
Fig. 3 has the intercom electrical schematic diagram of function of keeping secret in limited time.
Fig. 4 is the coding circuit full figure among Fig. 2, Fig. 3.
Fig. 5 is the intercom external wiring diagram.
Among Fig. 1, Fig. 2,1 is receiver, and 2 is transmitter, and 3 is flexible cord, and 5 is signaling key (KR, KR '), and 8 is dial, 11 for discharge key (resetting) to coding (KP), 10 is busy lamp (D 5), 9 are decoding indicator light (D 6), 12 is conversion key (K O, K L, K M), 13 is loud speaker, calls out the key letter 6 (Ky) of this machine and the key letter 4 (K that unblank J), 7 (K W) can be contained on the indoor intercom, can not adorn on the building door-phone.I is a coding circuit, and II is a decoding circuit, and N is a sound and light show circuit, and V is to telephone circuit, narrates above the main annexation of circuit structure.1 ' is input, output audio signal line, and 2 are input, outupt coded signal line, 3 ' be power line.C-electric capacity, R-resistance, Ic-integrated package, Q-triode, D-diode, K-switch, W-variable resistor, J-relay, IC 4Be ring circuit, K TBe doorway, building discharge key.
Mainly increased secure circuit III in limited time among Fig. 3.Other circuit symbols are the same.
Among Fig. 5,14 is power supply, and 15 are the circuit of unblanking, and 16 is the building door-phone, and 17 is indoor intercom, and 0 is ground wire, and other symbols are the same.

Claims (7)

1, the antitheft intercom in a kind of building, comprise the microphone, the casing that contain receiver and transmitter, be contained in conversion key, loud speaker on the casing, it is characterized in that casing is provided with dial, signaling key and discharge key, its circuit comprises coding circuit, decoding circuit, to telephone circuit harmony light display circuit; The structure of coding circuit is:
Encoding block IC 1Totally 16 pin, 1 pin connects triode Qa emitter, and collector electrode connects 16 pin, base stage connecting resistance Ra one end, another termination capacitor C of Ra a, Ca other end ground connection, the positive pole of another termination of Ra Da, negative pole connects the end of K switch p, the other end ground connection of Kp, another termination of Ra Ka one end, another termination 16 pin of Ka, 2 pin connect triode Qb emitter, collector electrode connects 16 pin, base stage connecting resistance Rb one end, another termination capacitor C of Rb b, Cb other end ground connection, the positive pole of another termination of Rb Db, negative pole connects the end of Kp, the other end ground connection of Kp, another termination of Rb Kb one end, another termination 16 pin of Kb; 3 pin connect the Qc emitter, and 4 pin meet Q DEmitter, 5 pin meet Q EEmitter, 6 pin meet Q FEmitter, 7 pin meet Q GEmitter, 9 pin meet Q HEmitter, 10 pin meet Q 1Emitter, above-mentioned each pin concrete structure connects all with 1,2 pin; 8 pin ground connection, 11 pin meet R 6An end, R 6Another termination C 3An end and R 7An end; 12 pin meet C 3An end, C 3Another termination R 6An end and R 7An end; 13 pin meet R 7An end, R 7Another termination C 3An end and R 6An end; 14 pin meet K RAn end, K ROther end ground connection; 15 pin meet K R' an end, K R' the output of another termination coding, external yellow lead; 16 pin connect power supply.
The structure of dialogue circuit is: audio signal is amplified piece IC 3Totally 8 pin, 1 pin connects capacitor C 10Positive pole, C 10Negative pole meets T 2One pin of input coil, T 2Another pin ground connection of input coil; 2 pin connect K switch MOne end, another termination power; 3 pin connect capacitor C 11Positive pole, C 11Negative pole meets C 12An end, C 12Another termination R 12An end; R 12Other end ground connection, C 11Negative pole connects an end of receiver, receiver other end ground connection; 4 pin ground connection; 5 pin meet C 8Positive pole, C 8Minus earth; 6 pin meet R 10An end, R 10Other end ground connection, 6 pin meet C 6Negative pole, C 6Positive pole meet C 13An end C 13Other end ground connection, C 6Positive pole meet adjustable resistance W 2Center head, W 2An end ground connection, W 2Another termination T 2The center head of output winding, T 2One termination adjustable resistance W of output winding 1An end, W 1The other end and center head ground connection, T 2Another termination C of output winding 14Positive pole, C 14Negative pole connect K switch 0Output, external blue lead; 7 pin connect capacitor C 9Positive pole, C 9Minus earth; 8 pin meet C 7Negative pole, C 7The positive pole tube of answering is anodal, microphone minus earth, C 7Positive termination R 11An end R 11Another termination 2 pin; Use decoding block IC in the decoding circuit 2Totally 16 pin; Being connected to of coding circuit and decoding circuit: encoding block 15 pin connect K switch R' an end, K R' another termination decoding block 9 pin;
Being connected to of decoding circuit and acousto-optic device circuit: the trigger electrode of ring connects decoding block 11 pin, resistance R 5A termination decoding block 11 pin;
Power supply, the ground wire of each part mentioned above are public, and external 4 leads of intercom are: power line (3), ground wire, input, output audio signal line (1), input, outupt coded signal line (2).
2, the antitheft intercom in building according to claim 1 is characterized in that said encoding block IC 11-7,9,10A pin or multiway in the pin connect K switch J/ or K W, K JOr K W1-9 diode cathode of another termination, diode cathode meets diode Da-D respectively IIn positive pole.
3, the antitheft intercom in building according to claim 1 is characterized in that being provided with light-emitting diode D 5, its positive pole connects K switch 3One end, negative pole connecting resistance R 13One end, R 13Other end ground connection.
4, the antitheft intercom in building according to claim 1 is characterized in that being provided with the discharge key K switch T, a termination D 1Negative pole, other end ground connection.
5, the antitheft intercom in building according to claim 1, it is characterized in that the structure of said sound and light show circuit is: the trigger electrode of ring connects 11 pin of decoding block, and the power supply of ring connects K switch LAn end, an end of the output termination loud speaker of ring, the other end ground connection of loud speaker, R 511 pin of a termination decoding block, R 5Another termination Q 6Base stage, Q 6Grounded emitter, Q 6Collector electrode sending and receiving light pipe D 6Negative pole, D 6Positive pole connect K switch LAn end.
7, according to claim 1,2,3,4, the antitheft intercom in 5 or 6 described buildings, it is characterized in that being provided with secure circuit in limited time, its circuit structure is: D 1Positive pole meets K R' one end, D 1Negative pole meet C 1Positive pole, C 1Minus earth, D 1Negative pole connects K switch TAn end, K TOther end ground connection, D 1Negative pole meet R 1An end, R 1Another termination Q 1Base stage, Q 1Collector electrode connect power supply, Q 1Emitter meet R 3An end, R 3Another termination Q 3Base stage, Q 3Grounded emitter, Q 3Collector connecting relay J 1One pin of middle coil, another pin and the relay J of coil 1The switch center head connects power supply (K switch 1With K 3Public pin), K 3Another pin sending and receiving light pipe D 5Positive pole, D 5Negative pole meets R 13An end, R 13Other end ground connection, K 1Another termination D 3Positive pole, D 3Negative pole meets encoding block 16 pin, D 3Negative pole meet D 4Negative pole, D 2Positive pole meet decoding block 11 pin, D 2Negative pole meets C 2Positive pole, C 2Minus earth, D 2Negative pole meets R 2An end, R 2Another termination Q 2Base stage, Q 2Collector electrode connects power supply, Q 2Emitter meets R 4An end, R 4Another termination Q 4Base stage, Q 4Grounded emitter, Q 4Collector connecting relay J 2Middle coil one pin, another pin and the relay J of coil 2The switch center head connects power supply, relay switch K 2Another termination D 4Positive pole, D 4Positive pole connects K switch LWith K MPublic pin; The annexation of the coding circuit and the secure circuit of prescribing a time limit is: encoding block 16 pin and D 3Negative pole joins, D 4Negative pole join, encoding block 15 pin connect K switch R' one end, K R' another termination D 1Anodal; Decoding circuit with the annexation of the secure circuit of prescribing a time limit is: decoding block 11 pin and D 2Positive pole joins, and power supply is public; The sound and light show circuit power supply is through K switch LJoin with two, three part power supplys; The dialogue circuit power is through K switch MJoin with two, three part power supplys.
8, the antitheft intercom in building according to claim 7 is characterized in that in the said coding circuit: another termination of Ra D 12Negative pole, positive pole meets K YOne end, K YAnother termination IC 116 pin; R LAnother termination D 11Negative pole, positive pole meets K YOne end, K YAnother termination IC 116 pin.
CN 96205639 1996-02-16 1996-02-16 Building anti-theft time-limit secret multi-household selective intercom Expired - Fee Related CN2252466Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96205639 CN2252466Y (en) 1996-02-16 1996-02-16 Building anti-theft time-limit secret multi-household selective intercom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96205639 CN2252466Y (en) 1996-02-16 1996-02-16 Building anti-theft time-limit secret multi-household selective intercom

Publications (1)

Publication Number Publication Date
CN2252466Y true CN2252466Y (en) 1997-04-16

Family

ID=33890549

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 96205639 Expired - Fee Related CN2252466Y (en) 1996-02-16 1996-02-16 Building anti-theft time-limit secret multi-household selective intercom

Country Status (1)

Country Link
CN (1) CN2252466Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104105013A (en) * 2014-07-10 2014-10-15 四川兴事发能源科技有限公司 Multi-party real-time intercom system and data flow thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104105013A (en) * 2014-07-10 2014-10-15 四川兴事发能源科技有限公司 Multi-party real-time intercom system and data flow thereof

Similar Documents

Publication Publication Date Title
CN2252466Y (en) Building anti-theft time-limit secret multi-household selective intercom
CN203492082U (en) Telephone synchronous bell device
CN2419784Y (en) Intellectual Wireless controller for switch cabinet for lamp posts in street
CN214045729U (en) SIP telephone terminal
CN215934921U (en) Low-power-consumption multi-line fire-fighting telephone jack
CN2713558Y (en) Multifunctional terminal equipment
CN209046789U (en) A kind of video intercom indoor unit of compatible telephone function
CN2726238Y (en) Remote-centralized control switch
CN2169253Y (en) Telephone circuit switcher
CN2312545Y (en) Multi-functional means for preventing unauthorised calling for telephone
CN2156634Y (en) Program control residance telephone multi-function multiplexing device
CN2200263Y (en) Portable telephone set for overhauling
CN2255698Y (en) Simple telephone exchanging device
CN2185958Y (en) Intercom by using broadcasting line communication
CN201585025U (en) Multi-channel digital coding and wirelessly controlled telephone remote controller
CN2379984Y (en) Remote alarming and controlling device for mobile telephone
CN2031986U (en) Multi-system type complete set magneto-telephone exchange
CN2185490Y (en) Fraudulent use, wiretap and non-good setting prevention device for telephone
CN2220139Y (en) Theft-proof terminal box for telephone
CN2131259Y (en) Party-line system for multiple group-telephones
CN2404281Y (en) Non-emergency telephone shield
CN2163491Y (en) Telephone anti-theft alarm
CN1098002C (en) Distant alarm remote control system of mobile telephone and its alarm remote control method
CN201532694U (en) Remote control alarming device
CN2212288Y (en) Protector for proofing telephone unauthorized connection

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee