CN1804348A - Visible intercom gate inhibition system for building - Google Patents

Visible intercom gate inhibition system for building Download PDF

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Publication number
CN1804348A
CN1804348A CN 200610001058 CN200610001058A CN1804348A CN 1804348 A CN1804348 A CN 1804348A CN 200610001058 CN200610001058 CN 200610001058 CN 200610001058 A CN200610001058 A CN 200610001058A CN 1804348 A CN1804348 A CN 1804348A
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China
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signal
information
port
control
transmission
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CN 200610001058
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贾宝敦
赵斐
崔振
马剑哲
王敏
王建茹
罗秋哲
司农
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Beijing University of Technology
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Beijing University of Technology
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Priority to CN 200610001058 priority Critical patent/CN1804348A/en
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Abstract

The invention relates to a building visible intercommunication gate inhibition system, belonging to the intelligent building or uptown guard area. It comprises gate machines mounted at the door of building and the indoor machines mounted in each house to transmit the information and the power mounted inside the building to supply the power for whole system. It is characterized in that: it also comprises the network line distributed inside the building to connect the gate machines and the indoor machines to transmit the information, while the network lines are connected via interfaces; a couple of twisted-pair line of eight network lines are used to transmit visible signal; the second pair is used to transmit control signal; the third pair is used to earth and supply power with one line of the forth pair to the system; and another line of forth pair is used to transmit acoustic signal. The gate and indoor machines have memory units to store the device address of whole system. The invention has easy line distribution, easy installment, easy maintenance and reduced cost.

Description

Building visual talk back entrance guard system
Technical field:
Building visual talk back entrance guard system belongs to intelligent building or sub-district safety protection field.
Background technology:
Building gate control system designs for preventing that effectively unauthorized person from invading, and traditional building gate control system divides from line system polytype, and the function that can realize has:
Video intercom when doorway machine and the connection of a certain indoor set, can carry out two-way call and indoor one-way viewable to the doorway; Observe, when indoor set is idle, can monitor doorway machine image pickup scope image by " observation " key;
Unblank: the householder is by the remote-controlled unlatching of " unblanking " key doorway electric control lock, and the householder also can access to your password or unruled card unlatching cell gate by doorway machine;
Call out, by " calling " but the key Call Management Center, certain householder also can call out in administrative center.
By use, find that there is following defective in traditional building gate control system to prior art:
1, is connected with many lines such as Call Management Center lines by power source special line, ground wire, coaxial video line, tone frequency channel wire, alarming line, the line of unblanking between doorway machine and each resident family.At different system, the quantity of each household industrial siding may also want many.Suppose every layer two family, ten floors have 20 families, then need up to a hundred lines at least;
2, need to install video distribution amplifier before vision signal is registered one's residence, amplify and restoring signal.Also isolator to be installed simultaneously, play the effect of separation faulty equipment and safe transition to system;
3, complex circuit is installed by system, and fittings equipment is many, the mounting cost height;
4, when system breaks down, because connecting line quantity is many, be difficult to failure judgement place on line place, maintenance difficult is big, the expense height.
Summary of the invention:
The present invention be directed to the designed technical scheme of above-mentioned technological deficiency, its objective is in order to have changed wiring general layout numerous and diverse in the conventional door access control system, reduce the quantity of fittings equipments such as distributor, amplifier, isolator, make installation, detection and maintenance process become simple.
Building visual talk back entrance guard of the present invention system, comprise and be installed in doorway machine 1 and indoor set in building place, outside doorway and inner each resident family of building, that be used for the information of transmitting between outside and the inside respectively, and be installed on building inside, be used for the power supply of whole system power supply, the invention is characterized in: also comprise being arranged in building inside, being used to the netting twine 3 that connects doorway machine 1 and each indoor set, transmit all information between them; Connect with joint 5 between each section netting twine 3.
Described building visual talk back entrance guard system, it is characterized in that: a pair of twisted-pair feeder in eight lines of described netting twine 3 inside is used for transmission video signal; Another is used for transmission of control signals to twisted-pair feeder; The 3rd pair of twisted-pair feeder is used for whole system ground connection, and and the 4th pair of twisted-pair feeder in one power for system together; Another root in the 4th pair of twisted-pair feeder is used for acoustic signal frequently.
Described building visual talk back entrance guard system, it is characterized in that: described doorway machine 1 and indoor set are equipped with memory cell, are used for depositing the unique device address of whole system.
Described building visual talk back entrance guard system, the doorway machine described in the system includes the ID information of obtaining, according to self canned data validated user discerned, and the card reader 6 that whether sends by the unlocking signal output of control unlocking signal; By output, the keyboard 7 that key information is sent; By information input terminal, reception will show the key assignments display 8 of information; By VT, the camera head 9 that vision signal is sent; By audio signal output end, the sound pick-up 10 that audio signal is sent; Pass through audio signal input end, receive and amplify the acoustical generator 11 of voice messaging,, receive the alarm 12 of warning message by the alarm signal input, with be connected with the unlocking signal output of card reader 6 by the control end of unblanking with the interface 23 of unblanking, receive the electric control lock 13 of unlocking signal;
It is characterized in that: also comprise the doorway machine micro controller system; The doorway machine micro controller system comprises controller 14 1, netting twine interface 16 1, display interface 21, keyboard interface 22, the interface 23 of unblanking, interface 19, single-pole single-throw(SPST relay 20 1, single-pole single-throw(SPST relay 202, digital translation transmission circuit 15 1And video conversion driver module 17, wherein:
Netting twine interface 16 1: connect the transmission line that is specifically designed to acoustic frequency signal in the netting twine 3, transmitting audio signal on netting twine 3 by audio port; Connect the transmission line that is specifically designed to transmission video signal in the netting twine 3 by video port, send vision signal; Connect the transmission line that is specifically designed to transmission of control signals in the netting twine 3, transmission/reception control signal by the control signal port;
Display interface 21:, receive the information that needs demonstration by input; Be connected by the information input terminal of output, send the information that needs demonstration with key assignments display 8;
Keyboard interface 22: be connected by the output of input, receive key information with keyboard 7; By output, send key information;
The interface 23 of unblanking:, receive the information of unblanking by the information input terminal of unblanking; Be connected with the control end of unblanking of electric control lock 13 by the information output of unblanking, send the information of unblanking;
Interface 19: be connected receiving video signals by the VT of video signal input terminal with camera head 9; By VT, send vision signal; Be connected received audio signal by the audio signal output end of audio signal input end with sound pick-up 10; By audio signal output end and network interface 16 1Audio port and the audio signal input end of acoustical generator 11 be connected, send audio signal; Alarm signal input by alarm signal output ends and alarm 12 is connected, and sends alarm signal; By the alarm signal input, receive alarm signal;
Single-pole single-throw(SPST relay 20 1: by control port, the transmission of control alarm signal; Be connected the transmission alarm signal with the alarm signal input of interface 19 by alarm signal output ends;
Single-pole single-throw(SPST relay 20 2: by control port, the transmission of control unlocking signal; Be connected the transmission unlocking signal with the information input terminal of unblanking of the interface 23 of unblanking by the information output of unblanking;
Digital translation transmission circuit 15 1: by digital information port, transmitting digital information; By control signal input/output end port and network interface 16 1The control signal port connect transmission of control signals on netting twine 3;
Video conversion driver module 17: be connected by the VT of video signal input terminal, receive and the converting video signal with interface 19; By differential signal output and network interface 16 1Video port connect the transmission of video differential signal;
Controller 14 1: two inputs with display interface 21 by I/O port are connected the information that transmission will show; Eight outputs with keyboard interface 22 by I/O port are connected, and receive key information; One and relay 20 by I/O port 1Control port connect the transmission of control alarm signal; One and relay 20 by I/O port 2Control port connect the transmission of control unlocking signal; By serial I/O port and digital translation transmission circuit 15 1Digital information port connect transmitting digital information.
Described building visual talk back entrance guard system, the indoor set described in the system comprises conventional visualization doorbell 24, and this conventional visualization doorbell 24 is by audio signal I/O end, reception/transmission audio signal; By video signal input terminal, receiving video signals; By alarm signal output ends, send alarm signal; By the observation signal output, send observation signal; By plucking/the on-hook signal output, send and pluck/on-hook signal; By the unlocking signal output, send unlocking signal; By the call information input, receipt of call information;
It is characterized in that: also comprise the indoor set micro controller system; The indoor set micro controller system comprises controller 14 2, digital translation transmission circuit 15 2, video conversion transmission circuit 25, monitoring/control circuit 26, netting twine interface 16 2, conventional visualization doorbell interface 29, station address information-storing device 28, single-pole single-throw(SPST relay 20 3And double-pole single-throw (D.P.S.T.) relay 27, wherein:
Netting twine interface 16 2: connect the transmission line that is specifically designed to acoustic frequency signal in the netting twine 3, transmitting audio signal on netting twine 3 by audio port; Connect the transmission line that is specifically designed to transmission video signal in the netting twine 3 by video port, send vision signal; Connect the transmission line that is specifically designed to transmission of control signals in the netting twine 3, transmission/reception control signal by the control signal port;
Digital translation transmission circuit 15 2: by digital information port, transmitting digital information; By control signal input/output end port and network interface 16 2The control signal port connect transmission of control signals on netting twine 3;
Video conversion transmission circuit 25: by differential signal input and network interface 16 2Video port connect the receiver, video differential signal; By VT, send vision signal;
Monitoring/control circuit 26; By Proprietary Information I/O end, receive that conventional visualization doorbell 24 sends pluck/on-hook, unblank, warning and observed information, and send call information, the information of conversion conventional visualization doorbell 24; By transitional information I/O end, send the plucking of conventional visualization doorbell 24 after the conversion/on-hook, unblank, warning and observed information, and receipt of call information;
Conventional visualization doorbell interface 29: by alarm signal output ends, observation signal output, pluck/the on-hook signal output, unlocking signal output, call information input be connected with monitoring/control circuit 26 Proprietary Information I/O ends, send alarm signal, observation signal, pluck/on-hook signal, unlocking signal, receipt of call information; Be connected receiving video signals by the VT of video signal input terminal with video conversion transmission circuit 25; By audio signal I/O end and network interface 16 2Audio port and the audio signal I/O end of conventional visualization doorbell 24 be connected transmitting audio signal; By alarm signal input, observation signal input, pluck/the on-hook signal input, alarm signal output ends, the observation signal output of unlocking signal input, call information output port and conventional visualization doorbell 24, pluck/the on-hook signal output, unlocking signal output, call information input, receive alarm signal, observation signal, pluck/on-hook signal, unlocking signal, send call information;
Station address information-storing device 28:, send station address information by serial data port and read/write control input end;
Double-pole single-throw (D.P.S.T.) relay 27:, the unlatching of control video conversion transmission circuit 25, close by control port;
Single-pole single-throw(SPST relay 20 3: by control port, control audio signal transmission unlatching, close;
Controller 14 2: by the serial I/O port, with digital translation transmission circuit 15 2Digital information port connect transmitting digital information; By I/O port five are connected transmission control unit (TCU) 14 with the transitional information I/O end of monitoring/control circuit 26 2The information of the conventional visualization doorbell 24 discernible, that process is changed; A control port with double-pole single-throw (D.P.S.T.) relay 27 by I/O port is connected, and the unlatching of control video conversion transmission circuit 25, closes; One and relay 20 by I/O port 3Control port connect the connection of control audio signal and closing; By I/O port two are connected with the read/write control input end with the serial data port of station address information-storing device 28, receive station address information.
Field wiring of the present invention is simple, has reduced the quantity of fittings equipments such as distributor, amplifier, isolator, has reduced system cost, and has made installation, detection and maintenance process become simple.
Description of drawings:
Fig. 1 building visual talk back entrance guard entire system structural representation, wherein:
1, doorway machine, 2 1, 2 2... 2 n, indoor set (n is the total quantity of resident family in the building), 3, netting twine, 4, power supply, 5, joint;
The doorway machine structural representation of Fig. 2 building visual talk back entrance guard system, wherein:
6, card reader, 7, keyboard, 8, the key assignments display, 9, camera head, 10, sound pick-up, 11, acoustical generator, 12, alarm, 13, electric control lock, 14 1, controller, 15 1, the digital translation transmission circuit, 16 1, the netting twine interface, 17, the video conversion driver module, 18 1, level shifting circuit, 19, interface, 20 1, the single-pole single-throw(SPST relay, 20 2, the single-pole single-throw(SPST relay, 21, display interface, 22, keyboard interface, 23, the interface of unblanking;
The indoor machine structure schematic diagram of Fig. 3 building visual talk back entrance guard system, wherein:
14 2, controller, 15 2, the digital translation transmission circuit, 16 2, the netting twine interface, 18 2, level shifting circuit, 20 3, the single-pole single-throw(SPST relay, 24, the conventional visualization doorbell, 25, the video conversion transmission circuit, 26, monitoring/control circuit, 27, the double-pole single-throw (D.P.S.T.) relay, 28, the station address information-storing device, 29, conventional visualization doorbell interface;
The connecting line construction schematic diagram of Fig. 4 conventional door access control system;
The circuit theory schematic diagram of the micro controller system of Fig. 5 building visual talk back entrance guard system doorway machine;
The circuit theory schematic diagram of the micro controller system of Fig. 6 building visual talk back entrance guard system indoor set.
The specific embodiment:
Present embodiment is pressed Fig. 1~Fig. 3 and is implemented.
Fig. 1 is overall structure schematic diagram of the present invention, doorway machine 1 and indoor set 2 1, indoor set 2 2... indoor set 2 nBy the transmission of netting twine 3 realization videos, audio frequency, control and electric power signal, each section netting twine 3 usefulness joints 5 connect (wherein n is the total quantity of resident family in the building).
Fig. 2 is the structural representation of the doorway machine of building visual talk back entrance guard system, and doorway machine 1 comprises card reader 6, keyboard 7, key assignments display 8, camera head 9, sound pick-up 10, acoustical generator 11, alarm 12, electric control lock 13, controller 14 1, netting twine interface 16 1, level shifting circuit 18 1, interface 19, display interface 21, keyboard interface 22, the interface 23 of unblanking, single-pole single-throw(SPST relay 20 1, single-pole single-throw(SPST relay 20 2, digital translation transmission circuit 15 1And video conversion driver module 17.Controller 14 1Adopt general single chip, concrete model in the present embodiment is 89S52; Level shifting circuit 18 1Acp chip adopt general stabilizator, Xuan Ding model is LM317H in the present embodiment; Digital translation transmission circuit 15 1Adopt general RS-485/RS-422 transceiver, concrete selected transmission converter spare is MAX483; Video conversion driver module 17 selected MAX4447 are the acp chip of video conversion driver module 17 in the present embodiment.
Fig. 3 is the structural representation of the indoor set of building visual talk back entrance guard system, and indoor set comprises conventional visualization doorbell 24, controller 14 2, digital translation transmission circuit 15 2, level shifting circuit 18 2, video conversion transmission circuit 25, monitoring/control circuit 26, netting twine interface 16 2, conventional visualization doorbell interface 29, station address information-storing device 28, single-pole single-throw(SPST relay 20 3And double-pole single-throw (D.P.S.T.) relay 27.Controller 14 2Adopt general single chip, concrete model in the present embodiment is 89S52; Level shifting circuit 18 1Acp chip adopt general stabilizator, Xuan Ding model is LM317H in the present embodiment; Digital translation transmission circuit 15 1Adopt general RS-485/RS-422 transceiver, concrete selected transmission converter spare is MAX483; Video conversion transmission circuit 25 selected MAX4444 are the acp chip of video conversion transmission circuit 25 in the present embodiment; Station address information-storing device 28 adopted data memories, the concrete model in the present embodiment is the AT24C16 of atmel corp; Monitoring/control circuit 26 adopts photoelectrical coupler.
The vision signal that the camera head 9 of doorway machine 1 is gathered is input to the IN pin of the acp chip of video conversion drive circuit 17 by the VIDEO pin of interface 19; After inter-process, vision signal is converted into differential signal and exports netting twine interface 16 to from OUT-and OUT+ pin 1VIDEO-and VIDEO+ pin, send vision signal in real time to indoor set.The VCC pin of the acp chip of video conversion drive circuit 17 connects+the 5V power supply, meets decoupling capacitance C5 and decoupling capacitance C6 simultaneously.The VEE pin of the acp chip of video conversion drive circuit 17 connects-the 5V power supply, meets decoupling capacitance C8 and decoupling capacitance C9 simultaneously.The IN pin of the acp chip of video conversion drive circuit 17 has also connect a resistance R 2, resistance R 2 other end ground connection.The EN pin of the acp chip of video conversion drive circuit 17 connects+the 5V power supply.The VIDEO-of the acp chip of video conversion drive circuit 17 and VIDEO+ pin be connecting resistance R1 and resistance R 3 respectively, and the other end of these two resistance is ground connection all.Capacitor C 7 also in parallel is the vision signal noise abatement between the VIDEO-of the acp chip of video conversion drive circuit 17 and the VIDEO+ pin.
The audio signal that sound pick-up 10 is gathered is by the AUDIO pin input of interface 19, directly from netting twine interface 16 1AUDIO pin output.The audio signal that acoustical generator 11 is received is by netting twine interface 16 1AUDIO pin input, directly from the AUDIO pin output of interface 19.
The controller 14 of doorway machine 1 1Receive visitor's key information of keyboard 7 inputs from P1.0~P1.7 pin through keyboard interface 22.When handling visitor's call information, output signal to through display interface 21 to keyboard display 8 the display button value by P3.6 and P3.7 pin.According to key value, controller 14 1Serial transmitting terminal TXD send information to digital translation transmission circuit 15 1Input DI.Processed digital information is from digital translation transmission circuit 15 1Output/input A, B export the DIGITAL-and the DIGITAL+ pin of netting twine interface 161 to, thereby realize of the transmission of doorway machine 1 call signal to indoor set.
The alarm signal of the ALARM pin of alarm 12 receiving interfaces 19 output is finished warning that indoor set the sends action of ringing.
Card reader 6 is obtained householder's information, after meeting with self canned data, opens electric control lock 13.
Electric control lock 13 receives from card reader 6 or controller 14 1The unlocking signal that transmits carries out release.
Netting twine interface 16 1DIGITAL-and the control signal that transmits of DIGITAL+ pin be input to digital translation transmission circuit 15 1I/O end A, B, after signal is processed, output to controller 14 through output RD 1Serial interface receiving end RXD, thereby realize reception to alarm signal, unlocking signal and the observation signal that transmits from indoor set.
Digital translation transmission circuit 15 1RE-and DE pin connect controller 14 1The P34 pin, controller 14 1Control figure conversion and transmission circuit 15 1Be in and receive or the transmission state.Digital translation transmission circuit 15 1The VCC pin connect+the 5V power supply, meet decoupling capacitance C14 simultaneously.Digital translation transmission circuit 15 1A, B pin between parallel resistance R11.
Controller 14 1P3.2 connecting resistance R4 and resistance R 5; Another termination+5V of resistance R 4; The base stage of another termination triode Q1 of resistance R 5; The emitter stage of triode Q1 connects+5V, colelctor electrode order single-pole single-throw relay 20 1Control end; The ALARM pin of controlled termination+12V and interface 19.Controller 14 1Alarm signal according to the RXD pin receives to low, makes triode Q1 conducting with the P3.2 pin, connects single-pole single-throw(SPST relay 20 1, provide the high level of one+12V to the ALARM of interface 19 pin, finish and send the action of reporting to the police and ringing after receiving alarm signal.
Controller 14 1P3.3 connecting resistance R6 and resistance R 7; Another termination+5V of resistance R 6; The base stage of another termination triode Q2 of resistance R 7; The emitter stage of triode Q2 connects+5V, colelctor electrode order single-pole single-throw relay 20 2Control end; The controlled terminal ground connection and the interface 23 of unblanking; The interface 23 of unblanking connects capacitor C 10 simultaneously; The other end ground connection of capacitor C 10; Unblank another pin of interface 23 connects+the 12V power supply.Controller 14 1Unlocking signal according to the RXD pin receives to low, makes triode Q2 conducting with the P3.3 pin, connects single-pole single-throw(SPST relay 20 2, an earth signal is provided for the interface 23 of unblanking, finish and receive the action of door being opened behind the unlocking signal.
The level shifting circuit 18 of doorway machine 1 1Can realize the power supply of camera head 9, sound pick-up 10, acoustical generator 11, key assignments display 8, card reader 6, alarm 12, electric control lock 13, keyboard 7 and doorway machine micro controller system.Camera head 9, sound pick-up 10, acoustical generator 11, alarm 12, electric control lock 13 and card reader 6 need+12V power supplys; Key assignments display 8, keyboard 7 and doorway machine micro controller system need ± 5V power supply.
Interface 19 also has two pin to connect respectively+12V and ground.Netting twine interface 161 also has three pin, two ground connection wherein, and another one connects+18V.
The original state of indoor set is that video and audio signal all is turned off, digital translation transmission circuit 15 2Be in accepting state.The control signal that doorway machine 1 sends over is by netting twine interface 16 2DIGITAL-and DIGITAL+ pin input, be connected respectively to digital translation transmission circuit 15 2I/O end A, B; After control signal is processed, through digital translation transmission circuit 15 2The RD pin output to controller 14 2Serial interface receiving end RXD, realize the reception of call signal that doorway machine 1 is sended over.
Controller 14 2Serial transmitting terminal TXD send information to digital translation transmission circuit 15 2Input DI; Processed digital information is from digital translation transmission circuit 15 2Output/input A, B export netting twine interface 16 to 2DIGITAL-and DIGITAL+ pin, thereby realize sending the action of alarm signal, unlocking signal and observation signal to doorway machine 1.
Digital translation transmission circuit 15 2The RE-pin connect controller 14 2P1.1, controller 14 2Control figure conversion and transmission circuit 15 2Be in accepting state; Its DE pin connects controller 14 2P1.3, control figure conversion and transmission circuit 15 2Be in the transmission state.Digital translation transmission circuit 15 2A, B pin between and a last resistance R 25; The VCC pin connects+the 5V power supply, meets decoupling capacitance C26 simultaneously.
The A0 of station address information-storing device 28, A1, A2 and the equal ground connection of WP pin; SCL and SDA pin connect controller 14 respectively 2P1.6 and P1.7; SCL and SDA pin are distinguished connecting resistance R24 and resistance R 23 simultaneously; The equal ground connection of the other end of resistance R 24 and resistance R 23.Station address information-storing device 28 is stored the information (room number) of corresponding indoor set in advance, when indoor set is received call information, can compare the information in call information and the own station address information-storing device 28, thereby judges whether to call out oneself.When the information in call information and the station address information-storing device 28 of oneself is consistent, will connect vision signal.
Controller 14 2T0 pin connecting resistance R16 and resistance R 17; The base stage of another termination triode Q4 of resistance R 16; Another termination+5V of resistance R 17; The emitter stage of triode Q4 connects+5V, and colelctor electrode connects the control end of double-pole single-throw (D.P.S.T.) relay 27.The controlled terminal of double-pole single-throw (D.P.S.T.) relay 27 connects netting twine interface 16 respectively 2The IN-and the IN+ pin of VIDEO-, VIDEO+ pin and video conversion transmission circuit 25.Controller 14 2According to the call signal of the doorway machine 1 that receives, to low, control double-pole single-throw (D.P.S.T.) relay 27 is connected vision signal, makes netting twine interface 16 with the T0 pin 2The IN-of VIDEO-, VIDEO+ pin and video conversion transmission circuit 25 and IN+ pin connect.
The vision signal that the IN-of video conversion transmission circuit 25 and IN+ pin receive exports the VIDEO pin of conventional visualization doorbell interface 29 to from the OUT pin after inter-process, send vision signals to conventional visualization doorbell 24, demonstrates visitor's image.The IN-of video conversion transmission circuit 25 and IN+ pin be connecting resistance R12 and resistance R 13 respectively, the equal ground connection of the other end of resistance R 12 and resistance R 13.The VCC pin of video conversion transmission circuit 25 connects+the 5V power supply, meets decoupling capacitance C19 and decoupling capacitance C20 simultaneously.The VEE pin of video conversion transmission circuit 25 connects-the 5V power supply, meets decoupling capacitance C21 and decoupling capacitance C22 simultaneously.The OUT pin connecting resistance R15 of video conversion transmission circuit 25 and the VIDEO pin of conventional visualization doorbell interface 29, the other end ground connection of resistance R 15.EN pin connecting resistance R14, another termination+5V power supply of resistance R 14.The direct ground connection of REF pin.
When realizing said process, controller 14 2The P1.5 pin by monitoring/control circuit 26 output low level signals to the AUDIO pin of conventional visualization doorbell interface 29, generation " ding-dong " calling tone.Controller 14 2The P1.5 pin connect the AUDIO-IN pin of monitoring/control circuit 26; The AUDIO-OUT pin connects the AUDIO pin of conventional visualization doorbell interface 29.
Off-hook/the on-hook signal of the HANGUP pin of conventional visualization doorbell interface 29 is by monitoring/control circuit 26, controlled device 14 2The INT0 pin receive.The HANGUP pin of conventional visualization doorbell interface 29 connects the HANGUP-IN pin of monitoring/control circuit 26; HANGUP-OUT connects controller 14 2The INT0 pin.
Controller 14 2By judging the off hook state of conventional visualization doorbell 24, control single-pole single-throw(SPST relay 20 3Connect audio signal, realize netting twine interface 16 2Audio signal transmission to conventional visualization doorbell interface 29.Controller 14 2INT1 pin connecting resistance R18 and resistance R 19; Another termination+5V power supply of resistance R 18; The base stage of another termination triode Q5 of resistance R 19; The emitter stage of triode Q5 connects+5V, colelctor electrode order single-pole single-throw relay 20 3Control end.Single-pole single-throw(SPST relay 20 3Controlled terminal connect netting twine interface 16 respectively 2The AUDIO pin and the AUDIO pin of conventional visualization doorbell interface 29.
Controller 14 2By judging the hook state of conventional visualization doorbell 24, control double-pole single-throw (D.P.S.T.) relay 27 and single-pole single-throw(SPST relay 20 3Turn-off vision signal and audio signal respectively.
The UNLOCK pin of conventional visualization doorbell interface 29 receives the unlocking signal of conventional visualization doorbell 24, connects the UNLOCK-IN pin of monitoring/control circuit 26; The UNLOCK-OUT pin connects controller 14 2The P1.2 pin; Offer low level of P1.2 pin and represent that conventional visualization doorbell 24 sends unlocking signal.Controller 14 2Receive unlocking signal, will be by the serial transmitting terminal TXD digital translation transmission circuit 15 that sends control information 2Input DI.Processed digital information is through digital translation transmission circuit 15 2Output/input A, B, connect netting twine interface 16 2DIGITAL-and DIGITAL+, send unlocking signal to doorway machine 1.
The ALARM pin of conventional visualization doorbell interface 29 receives the alarm signal of conventional visualization doorbell 24, connects the ALARM-IN pin of monitoring/control circuit 26; The ALARM-OUT pin connects controller 14 2The P1.0 pin; Offer low level of P1.0 pin and represent that conventional visualization doorbell 24 sends alarm signal.Controller 14 2Receive alarm signal, will be by the serial transmitting terminal TXD digital translation transmission circuit 15 that sends control information 2Input DI.Processed digital information is through digital translation transmission circuit 15 2Output/input A, B, meet the DIGITAL-and the DIGITAL+ of netting twine interface 162, send alarm signal to doorway machine 1.
The MONITOR end of conventional visualization doorbell interface 29 is received the observation signal of conventional visualization doorbell 24, through the MONITOR-IN of monitoring/control circuit 26 pin; The MONITOR-OUT pin connects controller 14 2The P1.4 pin; Offer low level of P1.4 pin and represent that conventional visualization doorbell 24 sends observation signal.Controller 14 2Receive observation signal, will be by the serial transmitting terminal TXD digital translation transmission circuit 15 that sends control information 2Input DI.Processed digital information is through digital translation transmission circuit 15 2Output/input A, B, connect netting twine interface 16 2DIGITAL-and DIGITAL+, send observation signal to doorway machine 1.
Monitoring/the control circuit 26 of indoor set part can be made up of photoelectrical coupler and peripheral circuit.For example use five photoelectrical couplers and peripheral circuit independently separately, realize status monitoring and control function respectively, finish reception and report to the police, pluck/on-hook, unblank and the observation signal and the action of sending call signal the varying level signal.
The level shifting circuit 18 of indoor set part 2Can realize the power supply of conventional visualization doorbell 24 and indoor set micro controller system.Conventional visualization doorbell 24 need+12V power supplys.Indoor set micro controller system need ± 5V power supply.
Netting twine interface 16 2Also have three pin, two ground connection wherein, another one connects+18V.Conventional visualization doorbell interface 29 also has two pin to connect respectively+12V and ground.

Claims (5)

1, building visual talk back entrance guard system, comprise and be installed in doorway machine (1) and indoor set in building place, outside doorway and inner each resident family of building, that be used for the information of transmitting between outside and the inside respectively, and be installed on building inside, be used for the power supply of whole system power supply, it is characterized in that: also comprise being arranged in building inside, being used to the netting twine (3) that connects doorway machine (1) and each indoor set, transmit all information between them; Connect with joint (5) between each section netting twine (3).
2, building visual talk back entrance guard according to claim 1 system is characterized in that: a pair of twisted-pair feeder in inner eight lines of described netting twine (3) is used for transmission video signal; Another is used for transmission of control signals to twisted-pair feeder; The 3rd pair of twisted-pair feeder is used for whole system ground connection, and and the 4th pair of twisted-pair feeder in one power for system together; Another root in the 4th pair of twisted-pair feeder is used for acoustic signal frequently.
3, building visual talk back entrance guard according to claim 1 and 2 system, it is characterized in that: described doorway machine (1) and indoor set are equipped with memory cell, are used for depositing the unique device address of whole system.
4, building visual talk back entrance guard according to claim 1 and 2 system, doorway machine described in the system includes the ID information of obtaining, according to self canned data validated user is discerned, and the card reader (6) that whether sends by the unlocking signal output of control unlocking signal; By output, the keyboard (7) that key information is sent; By information input terminal, reception will show the key assignments display (8) of information; By VT, the camera head (9) that vision signal is sent; By audio signal output end, the sound pick-up (10) that audio signal is sent; Pass through audio signal input end, receive and amplify the acoustical generator (11) of voice messaging, by the alarm signal input, receive the alarm (12) of warning message, with be connected with the unlocking signal output of card reader (6) by the control end of unblanking with the interface of unblanking (23), receive the electric control lock (13) of unlocking signal;
It is characterized in that: also comprise the doorway machine micro controller system; The doorway machine micro controller system comprises controller (14 1), netting twine interface (16 1), display interface (21), keyboard interface (22), the interface of unblanking (23), interface (19), single-pole single-throw(SPST relay (201), single-pole single-throw(SPST relay (20 2), digital translation transmission circuit (15 1) and video conversion driver module (17), wherein:
Netting twine interface (16 1): connect the transmission line that is specifically designed to acoustic frequency signal in the netting twine (3) by audio port, go up transmitting audio signal at netting twine (3); Connect the transmission line that is specifically designed to transmission video signal in the netting twine (3) by video port, send vision signal; Connect the transmission line that is specifically designed to transmission of control signals in the netting twine (3), transmission/reception control signal by the control signal port;
Display interface (21):, receive the information that needs demonstration by input; Be connected by the information input terminal of output, send the information that needs demonstration with key assignments display (8);
Keyboard interface (22): be connected by the output of input, receive key information with keyboard (7); By output, send key information;
The interface (23) of unblanking:, receive the information of unblanking by the information input terminal of unblanking; Be connected with the control end of unblanking of electric control lock (13) by the information output of unblanking, send the information of unblanking;
Interface (19): the VT by video signal input terminal and camera head (9) is connected receiving video signals; By VT, send vision signal; Audio signal output end by audio signal input end and sound pick-up (10) is connected received audio signal; By audio signal output end and network interface (16 1) audio port and the audio signal input end of acoustical generator (11) be connected, send audio signal; Be connected by the alarm signal input of alarm signal output ends, send alarm signal with alarm (12); By the alarm signal input, receive alarm signal;
Single-pole single-throw(SPST relay (20 1): by control port, the transmission of control alarm signal; Be connected the transmission alarm signal by the alarm signal input of alarm signal output ends with interface (19);
Single-pole single-throw(SPST relay (20 2): by control port, the transmission of control unlocking signal; Be connected the transmission unlocking signal with the information input terminal of unblanking of the interface of unblanking (23) by the information output of unblanking;
Digital translation transmission circuit (15 1): by digital information port, transmitting digital information; By control signal input/output end port and network interface (16 1) the control signal port connect, go up transmission of control signals to netting twine (3);
Video conversion driver module (17): be connected by the VT of video signal input terminal, receive and the converting video signal with interface (19); By differential signal output and network interface (16 1) video port connect the transmission of video differential signal;
Controller (14 1): two inputs with display interface (21) by I/O port are connected the information that transmission will show; Eight outputs with keyboard interface (22) by I/O port are connected, and receive key information; One and relay (20 by I/O port 1) control port connect the transmission of control alarm signal; One and relay (20 by I/O port 2) control port connect the transmission of control unlocking signal: by serial I/O port and digital translation transmission circuit (15 1) digital information port connect transmitting digital information.
5, building visual talk back entrance guard according to claim 1 and 2 system, the indoor set described in the system comprises conventional visualization doorbell (24), and this conventional visualization doorbell (24) is by audio signal I/O end, reception/transmission audio signal; By video signal input terminal, receiving video signals; By alarm signal output ends, send alarm signal; By the observation signal output, send observation signal; By plucking/the on-hook signal output, send and pluck/on-hook signal; By the unlocking signal output, send unlocking signal; By the call information input, receipt of call information;
It is characterized in that: also comprise the indoor set micro controller system; The indoor set micro controller system comprises controller (14 2), digital translation transmission circuit (15 2), video conversion transmission circuit (25), monitoring/control circuit (26), netting twine interface (16 2), conventional visualization doorbell interface (29), station address information-storing device (28), single-pole single-throw(SPST relay (20 3) and double-pole single-throw (D.P.S.T.) relay (27), wherein:
Netting twine interface (16 2): connect the transmission line that is specifically designed to acoustic frequency signal in the netting twine (3) by audio port, go up transmitting audio signal at netting twine (3); Connect the transmission line that is specifically designed to transmission video signal in the netting twine (3) by video port, send vision signal; Connect the transmission line that is specifically designed to transmission of control signals in the netting twine (3), transmission/reception control signal by the control signal port;
Digital translation transmission circuit (15 2): by digital information port, transmitting digital information; By control signal input/output end port and network interface (16 2) the control signal port connect, go up transmission of control signals to netting twine (3);
Video conversion transmission circuit (25): by differential signal input and network interface (16 2) video port connect the receiver, video differential signal; By VT, send vision signal;
Monitoring/control circuit (26): by Proprietary Information I/O end, receive that conventional visualization doorbell (24) sends pluck/on-hook, unblank, warning and observed information, and send call information, the information of conversion conventional visualization doorbell (24); By transitional information I/O end, send the plucking of conventional visualization doorbell (24) after the conversion/on-hook, unblank, warning and observed information, and receipt of call information;
Conventional visualization doorbell interface (29): by alarm signal output ends, observation signal output, pluck/the on-hook signal output, unlocking signal output, call information input be connected with monitoring/control circuit (26) Proprietary Information I/O end, send alarm signal, observation signal, pluck/on-hook signal, unlocking signal, receipt of call information; VT by video signal input terminal and video conversion transmission circuit (25) is connected receiving video signals; By audio signal I/O end and network interface (16 2) audio port and the audio signal I/O end of conventional visualization doorbell (24) be connected transmitting audio signal; By alarm signal input, observation signal input, pluck/the on-hook signal input, alarm signal output ends, the observation signal output of unlocking signal input, call information output port and conventional visualization doorbell (24), pluck/the on-hook signal output, unlocking signal output, call information input, receive alarm signal, observation signal, pluck/on-hook signal, unlocking signal, send call information;
Station address information-storing device (28):, send station address information by serial data port and read/write control input end;
Double-pole single-throw (D.P.S.T.) relay (27): by control port, control the video conversion transmission circuit (25) unlatching, close;
Single-pole single-throw(SPST relay (20 3): by control port, control audio signal transmission unlatching, close;
Controller (14 2): by the serial I/O port, with digital translation transmission circuit (15 2) digital information port connect transmitting digital information; By I/O port five are connected transmission control unit (TCU) (14 with the transitional information I/O end of monitoring/control circuit (26) 2) discernible, through the information of conventional visualization doorbell (24) of conversion; A control port with double-pole single-throw (D.P.S.T.) relay (27) by I/O port is connected, control the video conversion transmission circuit (25) unlatching, close; One and relay (20 by I/O port 3) control port connect the connection of control audio signal and closing; By I/O port two are connected with the read/write control input end with the serial data port of station address information-storing device (28), receive station address information.
CN 200610001058 2006-01-18 2006-01-18 Visible intercom gate inhibition system for building Pending CN1804348A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101271599B (en) * 2007-03-19 2011-06-22 上海银晨智能识别科技有限公司 Door control system connecting with multiple peripheral units and communication method
CN102402810A (en) * 2011-12-27 2012-04-04 华南理工大学 Access control system adopting novel virtual keyboard
WO2015007106A1 (en) * 2013-07-17 2015-01-22 北京睿声智诚科技有限责任公司 Device for monitoring audio signal transmission
CN104601952A (en) * 2015-01-06 2015-05-06 深圳市豪恩安全科技有限公司 Building visual intercom access control system
CN105741453A (en) * 2016-03-28 2016-07-06 王泽滢 Wireless doorbell having voice function and control method thereof
CN107948590A (en) * 2017-11-20 2018-04-20 郑州庭淼软件科技有限公司 A kind of security protection video docking facilities for unit door in residence

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101271599B (en) * 2007-03-19 2011-06-22 上海银晨智能识别科技有限公司 Door control system connecting with multiple peripheral units and communication method
CN102402810A (en) * 2011-12-27 2012-04-04 华南理工大学 Access control system adopting novel virtual keyboard
WO2015007106A1 (en) * 2013-07-17 2015-01-22 北京睿声智诚科技有限责任公司 Device for monitoring audio signal transmission
CN105379262A (en) * 2013-07-17 2016-03-02 北京睿声智诚科技有限责任公司 Device for monitoring audio signal transmission
CN105379262B (en) * 2013-07-17 2019-02-19 北京睿声智诚科技有限责任公司 A kind of monitoring sound intermediate frequency signal transmitting apparatus
CN104601952A (en) * 2015-01-06 2015-05-06 深圳市豪恩安全科技有限公司 Building visual intercom access control system
CN105741453A (en) * 2016-03-28 2016-07-06 王泽滢 Wireless doorbell having voice function and control method thereof
CN107948590A (en) * 2017-11-20 2018-04-20 郑州庭淼软件科技有限公司 A kind of security protection video docking facilities for unit door in residence

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