CN2507210Y - Visible intercom and information publishing device used in storeyed building - Google Patents

Abstract

The utility model relates to a visible intercommunication and information publishing device used for buildings and districts, which is composed of a plurality of indoor machines, a plurality of decoders, a plurality of entrance machines, an administration machine and a central computer and comprises an intercommunication audio circuit, a video circuit, a liquid crystal dot-matrix display circuit, an alarm circuit, a monitoring system and an access control system, wherein the devices are networked by communication of a 485 data bus type and are respectively connected with the data bus through a data transceiver circuit to achieve the mutual communication of the administration machine, the indoor machines and the entrance machines. A control circuit is used for detecting and controlling and the decoder decodes. A central processing unit of each device uses a single chip computer of a 51 series, and the circuits mainly use a modular design to form an integral device. The utility model can achieve the functions of camera shooting, intercommunication, alarm, message leaving and public information publication of districts, the alarm circuit has an anti-shearing function and can automatically alarm by telephones or by voice, and the utility model is suitable for small, middle and big districts and the districts of various types.

Description

Building visual is to the information delivery apparatus of making peace

Technical field:

The utility model relates to a kind of multifunctional combined apparatus of telecommunication technology, particularly a kind of video intercom and information delivery apparatus that is applied to the sub-district building.

Background technology:

The antitheft automatic door device of building that in sub-district or building management, uses at present, pair speaker alarm system is arranged, visible dialogue system, intercommunication automatic switching system or the like, the various combination that has comprised multiple functional device, for example, No. 94100458.9, Chinese patent application " multifunctional household video intercom warning system ", disclose a kind of by video and infrared night vision circuit, the reasonable combination of automatic control circuit, by the high-resolution surveillance, by high-resolution auto iris and entryphone system, by the infrared night vision warning system, and utilization sound, light, the system that the electricity principle is made up.This system can realize highly sensitive automatic/hand video intercom warning.Chinese patent ZL99209117.9 number " CPU building talkback automatic switch-board ", a kind of automatic switching system that comprises main frame (doorway machine) and extension set (indoor electric phone) is disclosed, comprise that single-chip microcomputer 2051,1051 cooperates double-tone decoder 8870, counter 4060 work frequently, the action of control relay, thereby reach mutual calling main, extension set, realize secret telephony, functions such as password opens the door automatically, urgent group cries, can be used for the antitheft automatic intercom system of building, also can be used as SPC telephone exchange and use, be used for communication.Certainly, the system and device that also has other difference in functionality combinations, for example No. 94248520.3 " multi-functional TV telephone call ", No. 89103507.9 " multiple purpose signal system for building ", No. 89106521.0 " intelligent control system for telephone " etc., they lay particular emphasis on a certain function respectively.Certainly, each system and device, its circuit structure be have their own characteristics each, mutually different.For example, above-mentioned the former video intercom warning system is to be the function collection of shooting, intercommunication, warning, folding and unfolding one.Under the effect of automatic control circuit, photography circuit, talkback circuit, monitoring circuit are also started working simultaneously, and are utilized computer to store visiting information; The latter's automatic switch-board, designed inside and outside two-way password and opened the door, can realize communicating with each other between resident family, in emergency circumstances grouping busy, also can be used for communication separately and make switch and use.

The assembled scheme of above-mentioned prior art, still multiple function is not combined fully effectively with the performance maximum economic benefits, picture has " message " function of image, sound collection and playback, particularly need not connect up, need not additionally increase hardware cost in addition and just can realize the function of " issue of sub-district public information ", be that present building conversational system can field leaved for development; And how the various piece Design of device accomplishes both to be convenient to function expansion, makes things convenient for system maintenance again, and Shang Weijian has desirable design.

Summary of the invention:

The purpose of this utility model be to avoid weak point of the prior art and provide a kind of shooting, intercommunication, warning, " message ", sub-district public information issue collection for the building visual of one to the information delivery apparatus of making peace.

The purpose of this utility model can reach by following measure:

The utility model device is by some indoor sets, some decoders, some doorway machine, centrally connected power source and relevant line, and supervisor and computer (PC) are formed, include talkback circuit, video circuit, liquid crystal dot matrix display circuit, warning circuit, and the infrared night vision circuit, ancillary equipment such as high explanation aperture camera lens, high explanation black and white, colored surveillance, gate control system.Above-mentioned decoder, doorway machine and supervisor include data transmit-receive circuit and control circuit separately, and device also is provided with voicefrequency circuit; The central processing unit of these decoders, doorway machine and supervisor (CPU) adopts 51 series monolithics, and wherein burning has the automatic control program of being designed and developed voluntarily by the designer, periodically carries out program running.Every single-chip microcomputer is connected to a crystal oscillator separately, and oscillator has certain operating frequency.Doorway machine adopts the visual doorway machine that has the liquid crystal dot matrix display screen, the computer of center (PC) then has been equiped with software, plug-in card (comprising sound collection card, image pick-up card, TV card, the IO etc.) system of transmitting-receiving, storage and processing effect, is used to store data record harmony, as the monitoring of file (so that extraction) and video and audio recording; Talkback circuit adopts audio-frequency module, and video circuit adopts photographing module, and liquid crystal display circuit adopts display module, and warning circuit adopts alarm module, and gate control system adopts gate inhibition's module.Adopt these modularized designs, formed, make product support, plug and play, both made things convenient for the function expansion, make things convenient for system maintenance again by module and corresponding peripheral cell.With 485 data/address bus communications, with above-mentioned indoor set, decoder, doorway machine, with supervisor that is arranged on the center and computer (PC), realize networking control, shooting, intercommunication, warning, realization image, sound is collected and recorded and collection such as " message " function of playback, sub-district public information issue is one, form practical, integrated, a high-tech intelligent building visual intercommunication warning and information delivery apparatus, be suitable for little, in, big various cell types.

In whole system, decoder is the core control section of this device, it is the pivot button that each parts connects, networking by data/address bus, decoder both linked to each other with PC with the supervisor of doorway machine and administrative center, also be communicated with, in the data/address bus communication, information and data transmit-receive played identification, decoding and detection, control action with indoor set.

Decoder in data bus network, as central processing unit (CPU), this single-chip microcomputer burning has automatic control program, is equiped with a series of joints, so that patch with 51 series monolithic 89C52.Be connected with crystal oscillator and storage chip IC1-4, include data transmit-receive circuit and control circuit; Wherein, multi-channel switch chip IC 1-2 and digital logic chip IC1-5 are arranged.Be connected with data/address bus with communication chip by digital logic chip by single-chip microcomputer IC1-1, the data transmit-receive circuit of forming by switching tube IC7-3 and communication chip (level transferring chip) IC7-1 just, will be from the next data of data/address bus, carry out level conversion through communication chip IC7-1, carry out logic control through digital logic chip IC1-5, discern by CPU IC1-1; Or, send to data/address bus through level conversion and get on the instruction of IC1-1.And another data transmit-receive circuit of being formed by communication chip (level transferring chip) IC7-2 and switching tube IC7-4, then be responsible for receiving the alarm signal that sends over from the alarm module circuit, carry out level conversion through communication chip IC7-2, carry out logic control through digital logic chip IC1-5, discern by CPU IC1-1; Or, send to the alarm module circuit through level conversion and get on the instruction of IC1-1.

Decoder can interconnect with 8 indoor sets at most, except by digital logic chip directly with the control binding post of each indoor set directly is connected, also realize by multi-channel switch chip IC 1-2, and send by the instruction of control circuit with IC1-1, the external equipment that control is relevant acts accordingly.Control circuit is by some I/O interfaces of CPU IC1-1, compositions such as peripheral driver chip and actuator's relay.Each multi-channel switch chip IC 1-2 is provided with 8 joints that can be connected with indoor set, all can be connected with the detection binding post of 1 to 8 indoor set, by this multi-channel switch chip IC 1-2, realize detection, the control of CPU IC1-1 and each indoor set, between carries out the mutual transmission of data.The chip IC 1-6 that is connected with CPU IC1-1 is a current driver, drives relay R L1 action through IC1-6.The SPK of relay R L1 control audio bus and each indoor set tone frequency channel wire and the on/off of MIC, and have a control end to be connected to the collector electrode of triple-pole switch pipe Q1-1.By switching tube Q1-1, Q1-2, and the ringing circuit of controlling each indoor set by the inverter circuit that chip IC 1-9A, IC1-9B, IC1-9C form.

Doorway machine in data bus network also has its data transmit-receive circuit and control circuit, and with the voicefrequency circuit that audio signal is handled.The central processing unit of doorway machine (CPU), also adopt 51 series monolithic IC2-1, central burning has automatic control program, be equiped with a lot of connector lugs so that peg graft, be connected with the joint that this installs 485 buses by level transferring chip IC2-2, promptly be connected on RS2+, the RS2-binding post composition data transmission circuit by chip IC 2-2 from CPU IC2-1.Control circuit comprises by central processor CPU IC2-1, through showing the liquid crystal dot matrix display circuit of connector lug to display module; Comprise and receive the circuit of buzzer BEEP through switching tube by central processing unit IC2-1; Comprise that by central processor CPU IC2-1 through optocoupler 521 and switching tube Q2-1, relay IC2-5 is to the circuit of video circuit binding post V1DEO; Comprise by central processor CPU IC2-1 the forced resetting circuit that reset chip IC2-3 and button SW2 form.Voicefrequency circuit comprises by power amplifier chip IC 2-1A, compositions such as microphone MIC and corresponding resistance, capacitor, and this group voicefrequency circuit is connected on the MAIN-MIC binding post of microphone on the audio-frequency bus; And by power amplifier chip IC 2-1B, another group circuit that loud speaker SPK and corresponding resistor-capacitor etc. are formed is connected on the audio-frequency bus upper speaker MAIN-SPK binding post.By these two groups of voicefrequency circuits, to the audio signal of input and output amplify, shaping, coupling.Certainly, the central processor CPU IC2-1 of doorway machine also can connect storage chip IC2-4, and the data-signal of transmitting-receiving is stored or extracted.

Doorway machine is by its central processor CPU IC2-1, and external gate control system, Keysheet module and electric lock module have password unlocking function or smart card unlocking function.By program judgement, the keyboard input password that transmits data, and the 3 kinds of functions such as pulse that detect gate inhibition's module, all can open electric lock.

Supervisor in the system of the present invention connects by data bus network and doorway machine and decoder, realizes the monitoring of doorway machine and doorway machine and resident family's indoor set are called out mutually.This supervisor also with 51 series monolithics as central processing unit (CPU), by CPU IC4-1 and serial line interface thereof, switching tube Q6, level transferring chip IC6 and corresponding resistance, capacitor are formed the data transmit-receive circuit, be connected with the data/address bus of system, realize the mutual communication of supervisor and decoder and doorway machine.Can send the data directly on 485 buses, or receive the data that other equipment send on the bus.Chip IC 5-2 is the storage chip of supervisor, realizes the storage of data.Nature, central processor CPU IC4-1 also has some LCD-D joints to link to each other with display module, has some K-joints to link to each other with Keysheet module.

The control circuit of this supervisor comprises central processor CPU IC4-1, switching tube Q4-1 and buzzer BUZZ.

The chip IC 5-1 that is connected on the joint that resets of CPU IC4-1 is the chip that resets, and can increase the antijamming capability of program.

Also can connect the audio-frequency module circuit that has switching tube on the central processor CPU IC4-1.And be connected to voice channel, in order to control its switching.Certainly, can be connected with the crystal oscillator of frequency and its adaptation on the CPU IC4-1 equally.

When the native system device will send the warning alert news, use warning circuit.Warning circuit is made up of modular circuit, comprised single-chip microcomputer IC10 as central processing unit, the chip UIA and the UIB of device as a comparison, and memory chip, Keysheet module, voice module U3 and phone module U4, switching tube Q1 and Q2, diode D1 and D2, and power access end AUX, external electric bell BELL, corresponding resistance R, fuse F etc., form an alarm module circuit, its external probes can have 1 (normally closed), two kinds of connections of 2 (often opening).Wherein keyboard, voice module U3, the phone module U4 that is connected with local telephone network, comparator UIA, UIB and ALA report to the police and hold, by the electric bell BELL of switching tube Q1 and Q2 control, and memory, all be connected on the IC10.Control two-way comparator UIA and UIB by IC10, external equipment is compared, and link to each other with administrative center by 485 data/address buss.The serial ports of administrative center's PC links to each other with data/address bus by 485 transducers.This alarm module circuit has the anti-function of cutting of circuit.When telephone automatic dialing is reported to the police, also open electric bell BELL port, make external equipment action (as sounding the alarm).

The utility model device has following advantage:

1, utilize the communication channel of center supervisor and indoor set, need not increase any hardware cost, can be to each resident family's issue public information;

2, adopt modularized design, function can be selected arbitrarily, and expands simple, easy to maintenance;

Characteristics such as 3, employing 485 bus system communication modes have long transmission distance, anti-interference strong, and connection device quantity and kind are all more;

4, adopt 51 powerful, the stable series monolithics and the combination of each module, make system's operation more stable;

5, adopt three to reopen lock function, it is convenient to come in and go out, and service is perfect more;

6, utilize PC can store and playback visitor information, adopt compress technique, can keep one month information usually, and recording time can adjust, its capacity can be controlled by central computer.A PC can manifest the multidate information of 16 width of cloth images simultaneously;

7, dynamically being reflected in exactly on the display screen of indoor set before the doorway machine even run into suspicious situation, also can accurately and timely can be sent warning message, but and effective monitoring and record, extraction video recording;

8, under noctilucence, can guarantee that outdoor images shown on the monitor screen is clear errorless;

9, alarm module has that circuit is anti-cuts function, calls warning function automatically, the automatic speech alarming function.

Below in conjunction with drawings and Examples the utility model is done further narration.

Description of drawings:

Fig. 1 is a composition frame chart of the present utility model;

Fig. 2 is a decoder main circuit schematic diagram;

Fig. 3 is the communicating circuit schematic diagram of decoder and data/address bus;

Fig. 4 is the communicating circuit schematic diagram of decoder and alarm module circuit;

Fig. 5 is a doorway machine main circuit schematic diagram;

Fig. 6 is a MIC voicefrequency circuit schematic diagram;

Fig. 7 is a SPK voicefrequency circuit schematic diagram;

Fig. 8 is a supervisor main circuit schematic diagram;

Fig. 9 is the supervisor chip circuit theory diagrams that reset;

Figure 10 is a supervisor memory circuitry schematic diagram;

Figure 11 is supervisor and data/address bus communicating circuit schematic diagram;

Figure 12 is the alarm module circuit theory diagrams.

Among each figure, IC is an integrated circuit (IC) chip, and CPU represents central processing unit, and Q is a triode, D or Z are diodes, and RL is a relay, and X is a crystal oscillator, BELL is ring, and BEEP or BUZZ are buzzers, and MAIN is illustrated on the bus, SPK is a loud speaker, and MIC is a microphone, and LED is a light-emitting diode, F is a fuse, and U is a module, and R is a resistance, C is an electrical equipment, SW switch, the numeral item behind each components and parts.AUDIO is an audio frequency, and VIDEO is a video, and PUSH KEY is a button.Symbol

Expression connector lug and turnover direction.The implication that each connector lug is represented is as follows: RESET (or RST) resets, and LCD-D is liquid crystal display, and K-B or Key-Board are keyboards, and AUX is a power input.5V is 5 volts of power inputs (the rest may be inferred by analogy), and RXD is a serial received, and the TXD serial sends, 485A, 485B, RS2+, RS2-, D1, D2, D1A, D2A, D2B, D1B, CN, CON all represent the connector on the data/address bus, and P is the joint on the chip, and USR is a detection tabs, GND represents ground connection, ALA is the end of reporting to the police, and Hz is cps He Zhi, and K is a unit of resistance kilohm, the implication of numeral shown in as usual of expression capacitance, frame of broken lines representation module, IN are incoming ends, and OUT picks out end.

Embodiment:

As shown in Figure 1, a supervisor is set in the building management center, one or two central computers (PC) and centrally connected power source with some doorway machine, some decoders and some indoor sets, are networked by the RS-485 data/address bus.Doorway machine is arranged on the doorway of each unit, it is indoor that indoor set is arranged on each resident family, includes loud speaker, intercommunication microphone and display screen, and infrared night vision circuit detecting head, high-resolution aperture camera lens, high-resolution black and white, colored monitoring arrangement, peripheral facilities such as entrance guard device and electric lock.Every configurable some decoders of doorway machine, every configurable 1 to 8 indoor set extension set of decoder.PC is used for the situation before the real-time on-site monitoring doorway machine, and stored sound and image information, and every PC can show 16 width of cloth dynamic image datas simultaneously, as the image of need setting more than 16 width of cloth, must set up PC.

By above-mentioned interconnection device, administrative center can issue various public informations to each resident family at any time, for example, the information of cutting off the water and electricity supply, resident family's relevant information issue etc., to finish multiple information service, this is to utilize on the existing equipment facility basis, do not increase any hardware cost, with regard to attainable function.Promptly when administrative center will issue public information, administrative center's PC sends the message signal on bus, after the CPU of decoder receives information, controlling called resident family MWI opens, see in resident family goes back home when leaving message prompt is arranged, press pick-up key, decoder sends the instruction fetch data to data/address bus, after administrative center's PC receives instruction, public information is sent to resident family by TV card, sound card.As seen, message, the issue of sub-district public information are one of key properties of this device.

Below this device be divided into decoder, doorway machine, supervisor and alarm module circuit stated:

One, decoder

As shown in Figure 2, decoder is the core control equipment of this device, realizes data transmission, receiving function and decoding function by single-chip microcomputer, and to the indoor set state-detection, controls its break-make, and multipotency detects and control 8 indoor sets simultaneously.The central processing unit of decoder (CPU) adopts 51 series monolithics, and model is 89C52, and item is represented with IC1-1.Inner burning has control program.

Chip IC 1-2 is the multi-channel switch chip, and 8 way switch just couple together by its USR detection tabs and CPU IC1-1 with 1 to 8 indoor set.Chip IC 1-3A, IC1-3B, IC1-3C and IC1-3D form a comparator.By this comparator multi-channel switch IC1-2 is connected with IC1-1, forms the data transmit-receive circuit of machine data in the transfer chamber.By IC1-2, realize the mutual transmission of detection, control data between CPU IC1-1 and the indoor set.For example, when indoor set sends data command, through the comparator of IC1-2 and IC1-3A, IC1-3B, IC1-3C and IC1-3D composition, receive and handle, central processing unit IC1-1 identification is sent instruction to data/address bus again, controls corresponding external equipment action.Chip IC 1-4 is a memory element, is connected on the IC1-1, in order to the data of storage decoder.

Digital logic chip IC1-5 couples together data/address bus communicating circuit and IC1-1.As Fig. 2, shown in Figure 3, comprise the communicating circuit of level transferring chip IC7-1 and triple-pole switch pipe IC7-3, by joint D1A, D2A with data/address bus link to each other on one side, on one side by the RXD2 joint, be connected to digital logic chip IC1-5, be connected to IC1-1, be used for external equipment and call out indoor set.When on 485 buses call data being arranged, switching tube IC7-3 conducting, by level transferring chip IC7-1,485 level are converted to Transistor-Transistor Logic level mutually, send through the RXD2 joint, receive to CPU IC1-1 by digital logic chip IC1-5, through routine processes and judgement, as call signal is not the room number of this decoder control, decoder does not deal with, and the room number of one of 8 indoor sets is then controlled ringing circuit and sent ring back tone in this way, and control this resident family and open display screen, make the image before doorway machine can clearly be seen by resident family.Another communicating circuit promptly includes the communicating circuit of level transferring chip IC7-2 and switching tube IC7-4, and warning circuit and central processing unit are coupled together.Be connected with the alarm module circuit by joint D1B, D2B, IC7-2 carries out level conversion, 485 level and Transistor-Transistor Logic level are changed mutually, be connected to digital logic chip IC1-5 through the RXD1 joint, link CPU IC1-1 again, alarm signal is judged and handled, or alarm signal is sent to data/address bus get on.

The control circuit of decoder is by central processing unit IC1-1, current drives chip IC 1-6, relay R L1 form, the MAIN-SPK on the control audio bus, the SPK-OUT on MAIN-MIC and the indoor set tone frequency channel wire, disconnection between the MIC-OUT or connection realize breaking/leading to of voicefrequency circuit.Bell signal generation circuit is then by CPU IC1-1, through diode D5, and inverter chip IC 1-9B, IC1-9A, IC1-9C, and switching tube Q1-1, Q1-2 form.Be in idle condition when decoder detects a certain resident family indoor set, then IC1-1 output high level produces ringing tone signal through inverter and Q1-1, Q1-2, delivers to the BELL binding post.Simultaneously, IC1-1 is by logical relation, and output low level starts working this machine to the control binding post at this family, sends ring back tone, and opens display screen.If this moment, resident family had the people to reply the machine of carrying, IC1-1 is after the testing circuit that USR detection tabs, multi-channel switch chip IC 1-2 form detects, IC1-1 exports high level, drive relay R L1 adhesive through current driver IC1-6, voicefrequency circuit is connected, send the data-signal of off-hook by IC1-5 and IC7-1 to 485 buses simultaneously, handle accordingly with other equipment on the notice bus.

By decoder can make before the indoor set monitoring doorway machine dynamically, thereby make corresponding action.CPU IC1-1 is to export high level at holding state, and the object that drives and control is not worked.The supervision button of indoor set is pressed by resident family, USR test side by this machine, switch chip IC1-2, comparator IC1-3A, IC1-3B, IC1-3C, IC1-3D and CPU IC1-1 etc., in the detection of working procedure in the cycle, detecting this button is pressed, communicating circuit by IC1-5, IC7-1 composition, monitoring data is sent on 485 data/address buss, the control doorway machine is opened camera head, IC1-1 makes the control end output low level of this resident family's indoor set by logic control simultaneously, and the control indoor set is started working.

Certainly, CPU IC1-1 can be connected with crystal oscillator X1, and the two ends of X1 are respectively by capacitor C 3, C4 ground connection.

Two, doorway machine

Doorway machine in this device is mainly implemented control to each module, includes the data transmit-receive circuit, and control circuit and voicefrequency circuit are core with central processing unit IC2-1 all, realizes data communication, to the control of doorway machine circuit and each module.Each module includes display module, video module, audio-frequency module, and the Keysheet module of gate control system.

The central processing unit IC2-1 of doorway machine adopts ATMEL, AT 89C51 single-chip microcomputer, as core, connects many joints, and a doorway machine can network some decoders and indoor set are called out mutually to realize doorway machine and resident family's indoor set.By showing that binding post is connected with display module.IC2-1 also is connected with buzzer (BEEP), and (KEY-BOARD) is connected with keyboard, and X2 is connected with crystal oscillator.IC2-1 also is connected with 485 data/address buss, from data bus connector RS2+, RSD-, by level transferring chip IC2-2, is connected to central processing unit IC2-1, forms the data transmit-receive circuit, realizes data communication.And the chip IC 2-4 that is connected with IC2-1 realizes the storage of data.

Doorway machine includes voicefrequency circuit that contains MIC and the voicefrequency circuit that contains SPK.As Fig. 6, shown in Figure 7, adopt chip IC 2-1A in the circuit, IC2-1B makes audio-frequency power amplifier.The voicefrequency circuit that has microphone MIC is by 12 volts of power supply power supplies.Be connected to the MIC joint on the bus, will be amplified through IC2-1A, be transported on the audio-frequency bus from the audio signal that MIC sends here.The voicefrequency circuit that has loud speaker SPK is connected with SPK joint on the bus, and from the audio signal that audio-frequency bus is imported, 2-1B is amplified through the power amplifier chip IC, is sent to loud speaker SPK and gets on.These two voicefrequency circuits interrelate with CPU IC2-1 by corresponding SPK, MIC joint (for example SPK-OUT joint, MIC-IN joint) and components and parts accordingly.

To the control of video circuit, by IC2-1, optocoupler 521, triode Q2-1, diode D2, compositions such as high power switch chip IC 2-5.The optocoupler 521 that is connected on the IC2-1 is powered by 5 volts of power supplys, is connected to switching tube Q2-1 from optocoupler 521, is connected to chip IC 2-5, parallel diode D2, by 12 volts of power supply power supplies, IC2-5 is as high power switch, according to opening or closing of commands for controlling video circuit VIDEO.When guest access resident family, press room number after, CPU IC2-1 controls optocoupler and switching tube Q2-1 conducting on the one hand, sends vision signal, opens camera; On the other hand,, control the display screen of this resident family's indoor set and open by corresponding display module, like this, resident family just can by display screen clearly see before the doorway machine dynamically.

Certainly,, also connect and go up storage chip IC2-4, the data of being received and dispatched are realized storage at doorway machine central processor CPU IC2-1.

For avoiding crashing, doorway machine is provided with the forced resetting circuit.Reset circuit is made up of reset chip IC2-3 and reset key SW2.When system ran into strong jamming or program and makes mistakes, IC2-3 control IC 2-1 automatically reset, wish to quickly recover to reset condition, and the SW2 that can push button, through IC2-3, control single chip computer IC2-1 forced resetting is avoided crashing.

The video and the audio signal of doorway machine are introduced the PC in centre management district, can be to the effective monitoring of discrepancy situation and the record of each import and export.Resident family not the time, supervisory control system also can be preserved visitor's message and video recording, in order to extracting.

By being connected KEY-BOARD (keyboard) the input password on the CPU IC2-1, discern the ON/OFF of may command electric lock by doorway machine CPU IC2-1; Perhaps read the data of IC function card, discern, the unblanking of control electric lock by IC2-1 by being located at card reader on the doorway machine.Also can press unlock key at indoor set (or by center personnel button on supervisor) by resident family, decoder through comparator relatively after, IC2-1 sends data to CPU IC1-1, treat its identification after, send instruction by 485 data/address buss to doorway machine, carry out level conversion through IC2-2, CPU IC2-1 receives instruction, judges through program, to electric lock transmission level signal, the electric lock action, thus door lock opened.

Three, supervisor

This device is arranged on the supervisor of center, realizes the control to circuit and each module, and receives and dispatches on 485 buses and the data of other equipment transmissions, realizes the monitoring to doorway machine, the mutual calling of doorway machine and resident family's indoor set.

Supervisor is made central processing unit with 51 series monolithics, as core, is connected with the data transmit-receive circuit respectively, buzzer circuit, reset circuit and memory circuitry.As shown in Figure 8, adopt 89C52 as central processing unit (CPU) IC4-1.On IC4-1, be connected with switching tube Q4-1 and buzzer BUZZ, constitute buzzer circuit, whether the control buzzer rings ring.After the switching tube conducting, buzzer can send the prompt tone of " ticking ".As shown in figure 11,, comprise that serial sends joint TXD and serial received joint RXD, be connected with to comprise switching tube Q6 that the data transmit-receive circuit of level transferring chip IC6 is connected with joint CN2, the CON2 of data/address bus at CPUIC4-1 and serial line interface thereof.Like this, all data on 485 buses by level transferring chip IC6, are carried out the mutual conversion of 485 level and Transistor-Transistor Logic level, so that data are delivered to IC4-1, or send data on 485 data/address buss; IC4-1 carries out analysis and judgement by default program, and by LCD-D81, LCD-D82 joint, shows on display screen.By data/address bus, realize the mutual communication of supervisor and indoor set and doorway machine.As shown in figure 10, IC4-1 also by these two joints, is connected with storage chip IC5-2, constitutes memory circuitry.As shown in Figure 9, on the RESET of CPU IC4-1 joint and P34 joint, be connected the chip IC5-1 that resets, constitute reset circuit.When reset key is pressed, force the CPU4-1 program to be returned to reset condition, avoid crashing.

Certainly, IC4-1 also is connected to crystal oscillator X3.

To connect module on the central processing unit of supervisor equally, when supervisor and doorway machine or indoor set are called out mutually, be switched on as Fig. 6, audio amplifier circuit shown in Figure 7.

Four, alarm module circuit

Warning circuit is an important circuit in this device, has adopted modularized design, and expansion is simple, and is easy to maintenance.As shown in figure 12, be central processing unit with single-chip microcomputer IC10, form two-way comparator by module UIA and UIB, by diode D1, D2, comparator is connected on the IC10.Keyboard, voice module U3, phone module U4 and memory also are connected on the central processing unit IC10.IC10 also by triode Q2, is connected to ring BELL and gets on, and by triode Q1, AUX links to each other with power connection.Obtain the external probes of alarm signal, 1 (normally closed) and two kinds of connections of 2 (often opening) can be arranged, receive again on the two-way comparator.Resistance R 1=R1 ', R2=R3=R4.Voice module U3 can send the voice signal of prerecording.Phone module U4 is connected with local telephone, can dial the phone of storage in advance automatically.

The central processing unit of warning circuit links to each other with administrative center by 485 data/address buss.The serial ports of the PC of administrative center links to each other with data/address bus by 485 transducers.Central processing unit IC10 compares external equipment by two-way comparator UIA, UIB.Cut off or during short circuit, comparator module UIA, UIB export high level, and are detected by the CPU of doorway machine when lead, it sends alarm signal by data/address bus to administrative center, or by phone module U4, telephone wire sends alarm calls to resident family or 110; Meanwhile, doorway machine voice module U3 sends sharp-pointed sound, with the news of warning.

When having the visitor to call out before the doorway machine, imaging circuit is opened in doorway machine CPU IC2-1 control, sends call data to 485 data/address buss simultaneously, and the supervisor of center, PC begin to keep a record and record a video; And decoder receives data, after identification, sends instructions to interviewed resident family indoor set, and opens ringing circuit, and I have a visit from a guest in prompting resident family, and the visiting both can be seen by resident family person's image can be conversed with it again.Press unlock key as resident family, decoder CPU IC1-1 can turn back to data/address bus with the unlocking signal data, receives to doorway machine, and the control electric lock opens the door.Press monitoring key as resident family, decoder then sends monitoring data, treat that doorway machine CPU IC2-1 receives after, imaging circuit is opened in control, with monitor before the doorway machine dynamically.

The wiring that no matter is external probe is cut off, or by short circuit, and the ALA of the single-chip microcomputer IC10 end of reporting to the police all can produce a low level, after IC10 has detected action, external equipment is moved.

With interlock circuits such as above-mentioned decoder, doorway machine, supervisor and indoor set, PC, warning circuits, and ancillary equipment, by the networking of RS-485 data/address bus system, just form the utility model building talkback and information delivery apparatus.

Claims (11)

1, a kind of building visual is to the information delivery apparatus of making peace, by some indoor sets, some decoders, some doorway machine, power supply and relevant lines, and supervisor and computer are formed, include talkback circuit, video circuit, liquid crystal dot matrix display circuit, warning circuit, and surveillance, gate control system, it is characterized in that above-mentioned decoder, doorway machine and supervisor include data transmit-receive circuit and control circuit separately; The central processing unit of these decoders, doorway machine and supervisor is 51 series monolithics that burning has automatic control program separately, the software, the plug-in card system that are equiped with the transmitting-receiving storage on computers and handle, and doorway machine is visual doorway machine; Adopt 485 data/address bus system communication modes, with above-mentioned indoor set, decoder, doorway machine and be arranged on the supervisor and the computer networking of center, decode by decoder, and detect, the control relevant device; Supervisor, doorway machine and indoor set are connected, realize mutual communication; Realize collecting and recording and playback of image, sound, and the issue of sub-district public information, an incorporate device formed.

2, building visual according to claim 1 is to the information delivery apparatus of making peace, it is characterized in that, described talkback circuit, video circuit, liquid crystal dot matrix display circuit, warning circuit and gate control system, adopt respectively audio-frequency module, photographing module, display module, alarm module, gate inhibition's module, etc. module.

3, building visual according to claim 1 and 2 is to the information delivery apparatus of making peace, it is characterized in that, described decoder is made central processing unit (CPU) with single-chip microcomputer IC1-1, and CPU IC1-1 is connected with data/address bus with communication chip IC7-1 by digital logic chip IC1-5; Form the data transmit-receive circuit separately by communication chip IC7-1 and communication chip IC7-2, comprise the data transmit-receive circuit of IC7-2, then IC1-1 is connected with alarm module; Control circuit is by some I/O interfaces of CPU IC1-1, and current drives chip IC 1-6, relay road and respective element are formed.

4, building talkback according to claim 3 and information delivery apparatus is characterized in that, described decoder, every central processing unit IC1-1, by a multi-channel switch chip IC 1-2, be connected with 1 to 8 indoor set, can detect and control 8 indoor sets of as many as simultaneously; The data command that indoor set is sent through chip IC 1-2, and is handled by the comparator that IC1-3A, IC1-3B, IC1-3C and IC1-3D form, and central processing unit IC1-1 identification is sent instruction to data/address bus again, controls corresponding external equipment action; Control circuit is by central processing unit IC1-1, current drives chip IC 1-6, and relay road RL1 forms; Bell signal generation circuit is then by central processing unit IC1-1, inverter chip IC 1-9B, IC1-9A, IC1-9C, and switching tube Q1-1, and Q1-2 forms.

5, according to claim 1 or 2 or 4 described building visuals to the information delivery apparatus of making peace, it is characterized in that, described doorway machine, with single-chip microcomputer IC2-1 as central processing unit (CPU), CPU IC2-1 is by level transferring chip IC2-2, be connected with data/address bus, realize the reception and the transmission of data; Control circuit comprises the IC2-1 by CPU, to the liquid crystal dot matrix display circuit of display module; Comprise the circuit to buzzer (BEEP) by CPU IC2-1; Comprise the IC2-1 by CPU, through optocoupler 521 and switching tube Q2-1, relay is to the circuit of video circuit (VIDEO).

6, building visual according to claim 5 is to the information delivery apparatus of making peace, it is characterized in that, the central processing unit of described doorway machine is connected with two voicefrequency circuits, includes the voicefrequency circuit that contains microphone (MIC), adopt chip IC 2-1A in the circuit, make audio-frequency power amplifier, be connected, the audio signal that will send here from microphone (MIC) with (MAIN-MIC) joint on the audio-frequency bus, 2-1A is amplified through chip IC, is transported on the audio-frequency bus again; Also include the voicefrequency circuit that contains loud speaker (SPK), adopt chip IC 2-1B to make audio-frequency power amplifier in the circuit, be connected with (MAIN-SPK) joint on the audio-frequency bus, will be from the audio signal of audio-frequency bus, 2-1B is amplified through chip IC, sends to loud speaker (SPK) and gets on.

7, building visual according to claim 5 is characterized in that the information delivery apparatus of making peace, the central processing unit IC2-1 of described doorway machine, be connected with and comprise CPU IC2-1, the reset forced resetting circuit of chip IC2-3 and button SW2 is to implement forced resetting.

8, building visual according to claim 6 is characterized in that the information delivery apparatus of making peace, the central processing unit IC2-1 of described doorway machine, be connected with and comprise CPU IC2-1, the reset forced resetting circuit of chip IC2-3 and button SW2 is to implement forced resetting.

9, according to claim 1 or 2 or 7 or 8 described building visuals to the information delivery apparatus of making peace, it is characterized in that, described supervisor with single-chip microcomputer IC4-1 as central processing unit (CPU), the data transmit-receive circuit of CPU IC4-1 is by comprising switching tube Q6, the circuit of level transferring chip IC6 is formed, be connected with data/address bus, realize the mutual communication of supervisor and decoder and doorway machine; Its control circuit comprises the IC4-1 by CPU, the buzzer circuit that switching tube Q4-1, buzzer (BUZZ) are constituted; On CPU IC4-1 (RESET) joint, chip IC5-1 resets in the connection.

10, building visual according to claim 1 and 2 is characterized in that the information delivery apparatus of making peace, and described alarm module circuit, links to each other with administrative center by data/address bus as central processing unit with single-chip microcomputer IC10; The two-way comparator of forming by module UIA and module UIB in the IC10 connection; Keyboard, voice module U3, phone module U4, and memory are connected with central processing unit IC10 respectively; IC10 also by triode Q2, is connected in the ring (BELL).

11, building visual according to claim 9 is characterized in that the information delivery apparatus of making peace, and described alarm module circuit, links to each other with administrative center by data/address bus as central processing unit with single-chip microcomputer IC10; The two-way comparator of forming by module UIA and module UIB in the IC10 connection; Keyboard, voice module U3, phone module U4, and memory are connected with central processing unit IC10 respectively; IC10 also by triode Q2, is connected in the ring (BELL).

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