CN100385874C - Integrative intelligent system of digitization community - Google Patents

Integrative intelligent system of digitization community Download PDF

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CN100385874C
CN100385874C CNB2006100313957A CN200610031395A CN100385874C CN 100385874 C CN100385874 C CN 100385874C CN B2006100313957 A CNB2006100313957 A CN B2006100313957A CN 200610031395 A CN200610031395 A CN 200610031395A CN 100385874 C CN100385874 C CN 100385874C
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interface
communication
control
intelligent
digitization
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CNB2006100313957A
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CN1845519A (en
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戴瑜兴
刘伟
肖昕宇
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湖南大学
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Abstract

The present invention relates to an integrative intelligent system of digitization communities. The present invention comprises household intelligent control nodes, a communication controller of a unit building, an interface converting unit of RS232 /485 and CAN, a household wireless control and alarm system and a management monitoring host, which form a communication system of a digitization community control network based on a CAN bus. The present invention connects originally and correspondingly independent subsystems in the digitization communities through an intelligent control device and communication networks, and thereby, the unimpeded transfer, sharing and centralized control of information is achieved. The integrative intelligent control, the management and the communication of the digitization communities are realized.

Description

Integrative intelligent system of digitization community
Technical field
The present invention relates to the integrative intelligent system of network service and the home wireless control and the warning etc. of digitization community.
Background technology
Digitization community is the perfect adaptation of the art of architecture, life idea and information technology, electronic technology.The intelligent development of digitization community intellectualizing system roughly is divided into three phases: 1. primary stage: also claim the equipment automatization stage, mainly equipment is carried out simple integrated control ﹠ management.2. intermediate stage: also claiming the information-based stage, mainly is to utilize the network means, realizes high-level automatic control.3. advanced stage: also claim integrated, intelligent, the networked stage, it is the intelligent stage of real meaning, adopt advanced control theory and algorithm, the Based Intelligent Control of real realization equipment and the intelligent decision of system, its research is conceived to the build Information Engineering project of digitlization sub-district, be of great immediate significance to improving China's digitlization cell level, represented the development in future direction.
The subject matter that the development of current China digitization community is faced is that the product of being correlated with lacks, and key technology is bigger with external gap, and each subsystem is separate, and that operation takes up rate is low, safeguard inconvenience etc.The present invention is based on following background technology exploitation Related product, address the above problem.
CAN (Controller Area Network) is a controller local area network, is a kind of high-performance, high reliability, is easy to exploitation and fieldbus cheaply.Release by German BOSCH company at first, be used for that automotive interior is measured and execution unit between data communication.Its application expands to process control, machine-building, robot and building automatic field by automobile industry now.CAN bus characteristics are as follows: be how main working method, on the network any point all can be at any one time initiatively other nodes on network send information, be regardless of the principal and subordinate, communication mode is flexible, and need not nodal information such as station address.The node number depends primarily on bus driving circuits.Node on the network can be defined as different priority, and " line with " function by interface circuit realizes nondestructive arbitration function based on priority.Examples of network communication media can be twisted-pair feeder, coaxial cable and optical fiber, and communication distance can reach 10km (5kbps) farthest, and flank speed can reach 1Mbps (40m).Frame is the longest to be 8 bytes, and every frame all has measures such as position filling, CRC check, has guaranteed extremely low error rate.Node is closed under the garble serious situation automatically, breaks away from bus.
RS232/485 is the serial data interface standard, is all worked out and issue by Electronic Industries Association (EIA) at first.RS232 was issue in 1962, and called after EIA-232-E is as industrial standard, to guarantee the compatibility between the different manufacturers product.RS485 proposes for the deficiency that remedies RS232, improves transmission rate and transmission range, increases multiple spot and two-way communications capabilities, increases the driving force and the conflict protective feature of transmitter simultaneously, has expanded the bus common mode range.At present, RS232 is most widely used a kind of serial line interface in the PC and the communications industry.
The basic principle of passive infrared detection technology is to survey the infrared ray (wavelength is about 10 μ m) of human body emission, it is gathered on the infrared sensor, infrared sensor is generally the pyroelectricity element, and this element is being accepted infrared radiation, will outwards discharge electric charge when temperature changes.
Power-line carrier communication is to utilize the existing power line to come transmission signals, its basic principle sends by power line to the carrier frequency of hundreds of KHz for data or voice are modulated at tens, and receiving terminal receives the carrier wave that is loaded with signal on the power line and carries out demodulation and restore original voice or data.The carrier of communication is ready-made power line, need not to lay communication line again as wire communication.Also not resembling needs the wireless transmission complicated sending and receiving devices to come transmission information.It need not to set up extra communication line, does not also take valuable radio spectrum resources, therefore is well suited for clique inside (generally between same power transformer) and forms the transmission destination that LAN reaches data or voice.
Summary of the invention
The technical problem to be solved in the present invention is, consider the problem and the demand of the development of digitization community intellectualizing system, by intelligent control device and communication network the relatively independent subsystem of script in the digitization community is connected, thereby reach the without hindrance transmission of information, shared and centralized control, improve the level of intelligence of digitization community.
Technical solution of the present invention is that described integrative intelligent system of digitization community comprises:
(1) household intelligent control node: it comprises P87C591CPU, this CPU has address latch, the static SRAM data storage of 32K, do I/O expansion and its switching value input channel 18 tunnel, output channel 8 tunnel by 8255, the switching value passage opens/stops control to interfaces such as multiple household electrical appliance such as refrigerator, television set, electric cooker, ventilating fans; Address date connects the LCD module, and as human-computer interaction interface, the 24LC02 fixed value memory meets the I of described CPU together with 9 key boards 2C interface, analog input channel are 3 tunnel 10 A/D conversions, can connect indoor Temperature Humidity Sensor, and as humiture collection, PWM is output as 2 the tunnel, can connect lamp dimmer, controls as light; Communication all part comprises a RS232/485 serial ports (MAX485) and a CAN interface (PCA82C250) of being furnished with high speed optoelectronic isolation (6N137);
(2) unit building communication controler: DOS is housed in advance and has the SCM-6231CPU of four serial ports to be connected to SEM/CSD communication expansion board, this communication expansion board has 4 photoelectricity and isolates asynchronous serial port, 2 non intelligent CAN interfaces that photoelectricity is isolated;
(3) RS232/485 and CAN interface conversion unit: PIC18F248CPU have CAN interface (PCA82C250) and the RS232/485 serial ports (MAX485) that band photoelectricity is isolated;
(4) home wireless control and warning system: the alarm host machine CPU based on the telephone wire transmission adopts the AT89S522 of Atmel company, and the alarm signal of emissions such as pyroelectric infrared sensor, door status sensor enters CPU by Receiver Module and decoding chip PT2262/2272 and handles.CPU dials the pre-set telephone number of user by the DTMF transmission circuit, starts sound circuit simultaneously, and the voice signal of prerecording is passed to the user by telephone wire.CPU output siren triggering signal promotes siren or loudspeaker after audio frequency amplifies.The electric equipment of wired connection can be controlled in 8 tunnel control output ends, also can be by the electric equipment of coding and radiofrequency emitting module control wireless connections.RT12232A graphic dot matrix LCD module is adopted in the display part, realizes Chinese character, shows time of fire alarming and type of alarm Presentation Function.Keyboard can be realized password modification, voice typing and information inspection function;
(5) property monitoring host computer: PC, in adorn three the table long-range software of making a copy for, household protection management softwares, Intelligent Uptown Estate Management platform, described software is all based on the Windows operating system platform, adopt VC++, VB to carry out interface establishment and management, adopt Microsoft SQL server 2000, Oracle8i etc. to carry out database manipulation, adopt MAPX 5.0 to carry out the establishment of electronic chart, have friendly visual man-machine interface, the software programming modularization is easy to safeguard and upgrading;
(6) based on the digitization community Control Network communication system of CAN bus: by above household intelligent control node, unit building communication controler, RS232/485 and CAN interface conversion unit, form with warning system, property monitoring host computer based on the home wireless control of telephone wire transmission.The household intelligent control node is by CAN bus interface access control network, and the unit building communication controler is on the one hand by CAN bus interface access control network, communicates by RS232/485 and CAN interface conversion unit and property monitoring host computer on the other hand; Control with warning system access telephone line network and by RS232/485 and CAN interface conversion unit access control network based on the home wireless of telephone wire transmission.
Below the present invention made further specify.
The operation principle of this intellectualizing system is the information by sensor acquisition security protection, three tables (water, electricity, gas measurement table) and estate management etc., by wired or wireless mode information is sent to home controller (or wireless anti-theft alarming main frame), by bottom-layer network information is sent to PC through communication controler again, form the cell information system by PC, realize the digitlization of sub-district.Bottom-layer network communication also can realize by the power line carrier communication mode.
The intellectuality of digitization community inevitable requirement user dwelling house message transmission and control, promptly user side and community estate management side needn't be in the action, and also can recognize the security situation of dwelling house, the ruuning situation of visual plant etc.Therefore the invention provides a kind of digitization community Control Network communication system based on the CAN bus, this network system comprises: the home intelligent node, be used to gather the various switching values and the analog quantity of dwelling house, be sent to upper strata CAN bus network, and receive the equipment of controlling dwelling house from the instruction of upper strata CAN bus network; The unit building communication controler is used for the information of a plurality of dwelling houses in receiving element building, sends to the property monitoring host computer of community after handling accordingly, and the home intelligent node is given in the instruction that can receive and transmit the property monitoring host computer; RS232/485 and CAN interface conversion unit, be used for serial data and CAN bus data are transmitted mutually, be the bridge between unit building communication controler and the property monitoring host computer,, connect the property monitoring host computer by the RS232/485 interface by CAN bus interface linkage unit building communication controler.
The present invention also provides a kind of home wireless control and warning system based on the telephone wire transmission, by alarm signal and control signal is defeated in phone line, make that user side and estate management can be with the security situations of remote monitoring dwelling house, and corresponding apparatus is made control.This system comprises: transducer, be distributed in the various signals of responsible collection such as pyroelectric infrared sensor, door magnetic, cigarette sense, fire alarm probe of dwelling house and unit building, launch the coded system difference of different sensor emission signals with wireless mode by radio circuit.The home intelligent alarm host machine, the alarm signal that is used for the receiving sensor emission, by discerning different signal encoding modes, judge alarm signal is from which kind of transducer, and dial subscriber phone by telephone wire according to setting in advance, the user answers aft engine and plays and the corresponding to voice recording of alarm signal type, and the user also can be by the long-range setting of telephone wire, enable and stop alarm host machine.In addition, alarm host machine also provides the RS232 bus interface, can be linked into foregoing digitization community Control Network based on the CAN bus easily by RS232/485 and CAN interface conversion unit.
The present invention also provides a kind of digitization community Control Network communication system based on power line transmission.Device controller, security alarm device etc. are positioned at each device context of intelligent residential district, are responsible for the collecting device data and survey security situation (intrusion detection, fire, gas leakage etc.), also have the function of control underlying device simultaneously.Each device controller or security alarm device all are connected with a communicator.Communicator makes between each device controller, the security alarm device can Data transmission, also makes between device controller, security alarm device and the concentrator and can communicate by letter simultaneously.Concentrator is positioned at property management reason center, sub-district, and its task is Data transmission and order between communicator and estate management server.The management database system that operates on the server is the man-machine interface of intelligent building Control Network, it also is the interface integrated with information network, make administrative staff can write down, retrieve intelligent building building automatic control situation, and realize senior functions such as management, analysis, monitoring on this basis.The communication node of concentrator and communicator construction system connects by power line between them, and the information of whole system adopts power line transmission, and topology of networks is a bus-type.
The present invention also provides the related software of digitization community intelligence system, comprises the long-range software of making a copy for of three tables, household protection management software, Intelligent Uptown Estate Management platform.Above software adopts VC++, VB to carry out interface establishment and management all based on the Windows operating system platform, adopts Microsoft SQL server
2000, Oracle8i etc. carries out database manipulation, adopts MAPX 5.0 to carry out the establishment of electronic chart, has friendly visual man-machine interface, and the software programming modularization is easy to safeguard and upgrading.
As known from the above, the present invention is a kind of integrative intelligent system of digitization community, it has considered the problem and the demand of the development of digitization community intellectualizing system, by intelligent control device and communication network the relatively independent subsystem of script in the digitization community is connected, thereby reach information without hindrance transmission, share and centralized control, realized integral intelligent control, the management of digitization community and communicated by letter.
Description of drawings
Fig. 1 is based on the structured flowchart of the digitization community Control Network communication system of CAN bus;
Fig. 2 is a household intelligent control node hardware block diagram;
Fig. 3 is a unit building communication controler hardware block diagram;
Fig. 4 is RS232/485 and CAN interface conversion unit;
Fig. 5 is based on the structured flowchart of the digitization community Control Network communication system of power line transmission;
Fig. 6 is the concentrator hardware block diagram;
Fig. 7 is the communicator hardware block diagram;
Fig. 8 is a home intelligent alarm hardware block diagram;
Fig. 9 is the long-range software interface schematic diagrames of making a copy for of three tables, comprises that main interface (9-1), data deletion interface (9-2), operator's administration interface (9-3), coal gas running water price are provided with interface (9-4), data query interface (9-5) and daily sheet and show (9-6);
Figure 10 is a household protection management software interface schematic diagram, comprises security protection master interface (10-1), lands and withdraw from interface (102), warning message master interface (10-3), warning message query interface (104), user profile set alarm condition interface (10-5) and subscriber information management interface (10-6);
Figure 11 is a digitization community property comprehensive management platform software interface schematic diagram, comprises that main operation interface (11-1), log-in interface (11-2), resident family's information interface (11-3), resident family machine account interface (11-4), expenses standard interface (11-5), charge statistics interface (11-5), resident family report interface (11-7), office facility interface (11-8) for repairment, increase office facility interface (11-9), employee information interface (11-10), rights management interface (11-11), report form statistics submodule interface (11-12) and Operation Log interface (11-13);
Figure 12 is the hardware circuit diagram of RS232/485 shown in Figure 4 and CAN interface conversion unit;
Figure 13 is an alarm host machine circuit diagram among Fig. 8;
Figure 14 is a pyroelectric infrared sensor circuit diagram among Fig. 8.
Embodiment
Referring to Fig. 1, topology of networks is a bus type, and the bus protocol of employing is the CAN bus.Comprise modules such as household intelligent control node, communication controler, cell monitoring main frame.
The core processor of household intelligent control node adopts 8 single-chip microcomputer P87C591 of Philips among Fig. 2, P87C591 is the processor that inside has the 80C51 kernel of CAN controller, also integrated 16K byte OTP program storage, 10 AD conversions of 6 passages, 8 pulse-width modulations outputs of 2 passages, I in this external 2House dog in C interface, the sheet.
By address latch low eight bit data and address are separated, the static RAM (SRAM) of expansion 32K byte is made data storage, as the buffer storage after the data acquisition, also has the communication data buffer-stored; Do I/O expansion by 8255, as the switching value input and output, switching value input channel totally 16 tunnel, the photoelectricity of every road input tape TLP521 series is isolated; The switching value way of output is photoelectric isolating relay output or open collector output; Address date connects the LCD module, together with 9 key boards as human-computer interaction interface.24LC02 takies the I of CPU 2C interface, as fixed value memory, the needed preset parameter of storage system, the back that powers on can be used as boot parameter in initialization procedure.
The analog input channel is 3 tunnel 10 A/D conversions, is with the second order active low-pass filter circuit, can be used as the collection of humiture; PWM is output as 2 the tunnel, and frequency≤50Hz can do light control, comes customized by user's request.
Communications portion comprises a RS-232/RS-485 serial ports and a CAN interface, and serial ports can be communicated by letter with the telemetering type pulse meter, the reading of acquisition tables meter; The CAN interface is communicated by letter with the unit communication controller of corridor and is transmitted the information data of family.The CAN port disposes high speed optoelectronic and isolates 6N137, and the level conversion time representative value is 45ns.The baud rate of CAN communication can adopt than higher speed, 200k~600k bit/s, and adopt the communication protocol of many main structures, and the bus efficiency height, the information transmission is timely.
The display part is 128 * 64 Chinese characters, and working power is 5V, 500mA, power≤2W; Node has the SRAM of 32K band backup battery, 256 byte EEPROM.
Referring to Fig. 3, the unit building communication controler adopts the PC/104 embedded system platform of containing Boke's skill as the core cpu plate, the built-in PC module is widely used in the highly reliable smart machine, extra small size, super low-power consumption, wide temperature characteristics ,+the 5V power supply, and a series of function expansion at Embedded Application, it can be considered as a superchip, the system maintenance upgrading is convenient.
SCM-6231 adopts 80486DX CPU 50M~133MHz processor of enhancement mode 3.3V to be CPU, the dma controller, interrupt control unit and the timer that have comprised all PC/AT compatibilities onboard, ROM-BIOS, the DRAM of 8M to 16M byte and keyboard, horn interface; Comprise the two-way simultaneous printer interface of a PC/AT compatibility, four RS-232 serial ports, Ethernet interface, 2K EEPROM at the external interface of plate, the real-time clock that house dog, the external backup battery of 1 usefulness are supported, and 1 32 pin DIP byte money memory plug (128K D0000h~EFFFFh).All can both in system, move at the numerous softwares that move on the IBM-PC based on SCM-6231.
SEM/CSD has 4 photoelectricity onboard and isolates asynchronous serial port for containing the communication expansion board of Boke's skill design, has 16 byte FIFO, 2 non intelligent CAN bus interface that photoelectricity is isolated, the I/O mouth of 1 8255 compatibility, the I/O port of 18 expansion.
SCM-6231 and SEM/CSD can constitute the hardware foundation of whole communication controler, and its power supply is+5V 580mA; Operational environment :-25 degrees centigrade~+ 75 degrees centigrade, relative humidity: 5~95%.The user can focus on the design of software on this hardware platform, SCM-6231 is equipped with DOS3.32 in advance, under the DOS environment, can use I/O equipment as treating Standard PC/AT, comprise keyboard mouth, speaker interface, LPTx ports, serial port, 3 programmable timers, 7 standard DMA passages and 14 interrupt control units.
Referring to Fig. 4, this module functions is that serial data and CAN interface data are transmitted mutually, and CPU adopts PIC18F248.
PIC18F248 is the Flash single-chip microcomputer of MicroChip, in have the Flash ROM of 16K, the SRAM of 768 bytes, the EEPROM of 256 bytes, WatchDog Timer, inside is integrated with universal asynchronous synchronous serial interface, CAN interface, I 2C supports online programming, supports multiple C compiler.Modular power source is+5V 300mA.
Referring to Fig. 5, Fig. 6 and Fig. 7, in the power line communication mode, be core with SC1128 power carrier chip and AT89C52 single-chip microcomputer, adopt the memory of the eeprom chip 24C128 of atmel corp as the data buffer zone.Special band spectrum modulation/demodulation chip the SC1128 that develops at China's electrical network characteristic, electric network composition, utilization direct sequence spread spectrum technology adopts 63 pseudo noise codes, and the CMOS technical grade encapsulates, and receiving sensitivity reaches 70 μ V.The developing instrument that the serial line interface programming of system is adopted is the C++Builder of Borland company, mainly is the serial communication interface of realizing server computer and concentrator.Concentrator and Computer Communications Interface adopt the RS-232C serial line interface.Usually the method for using under the Windows system to the RS-232C Serial Communication Programming has: use communication control, embed compilation and use API (Application Programming Interface) function in high-level language.In this several method, the serial communication program of using api function to write is the most efficient, flexible.The communication interface of native system promptly adopts the api function programming to realize that its basic ideas are: enable two threads in the program, the circulation that worker thread does not stop monitors serial ports, uses the message informing main thread once there being data to arrive; Whether main thread is responsible for the transmission and the reception of data, starts the timer control when sending, successful according to whether receiving in the timing that the answer signal judgement sends.
Referring to Fig. 8, the highly sensitive infrared thermal release electric of the LHI968 that utilizes BIS0001 special chip and AUS to use is surveyed first device and is formed the infrared thermal release electric theft-proof sensor, adopts the HT7551 power supply chip, quiescent current consumption≤40uA.Form Pierce oscillator circuit with triode, realize the wireless radiofrequency transmission, operating frequency 433MHz maximum transmission distance can reach 1000 meters.Screening range 〉=100 meter, transmitting power 〉=10mW, node address be greater than 6551, but 729 kinds of belt sensor kinds.Forming the voice typing, point out, reply and warning circuit with ISD1420, form the DTMF circuit with MT8888, home wireless control and warning system are inserted telephone network, is the control core with AT89S52, realizes the control of remote data transmission and remote household electrical appliance.The technical indicator of Radio infrared detector is: current drain quiescent current :≤40uA, alarm current :≤15mA, transmitting power: 〉=10mW, modulation system: PCM, effective detection range:>10m * 10m, signal transmitting range: straight line 〉=500m; Screening range 〉=100m, the double base detection range: vertical 60 °, 100 ° of field widths, cell voltage: DC9V Stackable batteries.The function of alarm host machine is as follows: telephone automatic dialing and audio alert (can dial mobile phone, Work Telephone etc.), wireless remote control cloth, withdraw a garrison, and remote operation, the strange land monitoring, wireless transmission receives, and the dialing number of reporting to the police, order can set up on their own, and password is self-editing; Have wired, Wireless Networking function, the ac/dc power supply has reserve battery; Have the flash appeal function, ten wireless defence areas, liquid crystal display, the band user is provided with keyboard, can record 20 seconds voice messagings, and configurable door magnetic, infrared, cigarette sense, fire detector have sound and light of alarm, can external siren.〉=500 meters of wireless receiving distances.Wireless operating frequency 435MHz.Optional function is that three tables are copied and accepted with remote household electrical appliance and controlled.
Referring to Fig. 9, three tables are made a copy for, and software uses a computer and network system is carried out intelligent management to ammeter, water meter, gas meter in using, realizes checking meter automation, and can monitor, measure and charge the use of ammeter, water meter, gas meter at any time.By with the networking of bank computer system, can realize the charge automation of expense.The master system management software can conveniently insert other MIS management systems, Internet network based on the Windows operating platform.Groundwork is that the continuous data of gathering is managed, as making of the calculating of history preservation, analysis, consumption and the expense of pointer data, statistical report form, user's bill etc., large database is adopted in its backstage data management, can dynamically arrange the connection of resident family's information database, integral point water rate, the electricity charge, gas expense are put in order, generate various years, the moon, season, day statistical report form.System can back up the aqueous vapor ammeter in each period, repairs former database with backup database.All programs are worked out under C++BUILDER, three table databases adopt SQL SEVER 2000, have 10 tables, be that the keeper shows respectively, operator's table, tariffs on electricity setting, coal water price list, subscriber information management table, integral point aqueous vapor ammeter, civil water pneumoelectric table, month water pneumoelectric table, season water pneumoelectric table, year water pneumoelectric table.The rate setting comprises electricity rates setting and the setting of water-gas price, is used to be provided with different classification paying prices, consumption restriction.Integral point, day, month quick search can be realized in the data query interface.
Referring to Figure 10, the data that household protection management software energy calling communication management software is copied and accepted, analyze type of alarm, time, place, and stored concurrent alert order and the linkage command of delivering newspaper, notify the user, simultaneously can call GIS geographical information management software, various forms are printed in display alarm geographical position from the PC at last.All programs are worked out under VC++, and database adopts SQL server 2000.
Referring to Figure 11, the property comprehensive management platform serves as the role of visualized operation instrument in whole system, is the core of whole software system.Can be used to coordinate calling mutually of each submodule; The making of user management operation interface; The setting of software operation authority; The functions such as establishment of version information help information.The database structure of management platform comprises that building information, communal facility, resident family's information, user report for repairment, employee information, office facility and Operation Log.The estate management module comprises: login, basic setup, toll administration, report submodules such as management, company's setting, system help, statistical report form for repairment.Development environment is: Windows 2000 operating systems; Visual C++6.0 developing instrument; SQL server 2000 database servers.

Claims (1)

1. integrative intelligent system of digitization community is characterized in that it comprises:
(1) household intelligent control node: it comprises P87C591CPU, this CPU has address latch, the static SRAM data storage of 32K, do I/O expansion and it has switching value input channel 18 tunnel, output channel 8 tunnel by 8255, the switching value passage opens/stops control to multiple household electrical appliance interface; Address date connects the LCD module, together with 9 key boards as human-computer interaction interface, the 24LC02 fixed value memory connects the I2C interface of described CPU, the analog input channel is 3 tunnel 10 A/D conversions, PWM is output as 2 the tunnel, and communication partly comprises a RS232/485 serial ports and a CAN interface of being furnished with the high speed optoelectronic isolation;
(2) unit building communication controler: DOS is housed in advance and has the SCM-6231CPU of four serial ports to be connected to SEM/CSD communication expansion board, this communication expansion board has 4 photoelectricity and isolates asynchronous serial port, 2 non intelligent CAN interfaces that photoelectricity is isolated;
(3) RS232/485 and CAN interface conversion unit: PIC18F248CPU have CAN interface and the RS232/485 serial ports that band photoelectricity is isolated;
(4) control and warning system based on the home wireless of telephone wire transmission;
(5) property monitoring host computer: PC, in adorn three the table long-range software of making a copy for, household protection management softwares, Intelligent Uptown Estate Management platform;
(6) based on the digitization community Control Network communication system of CAN bus: by above household intelligent control node, unit building communication controler, RS232/485 and CAN interface conversion unit, form with warning system, property monitoring host computer based on the home wireless control of telephone wire transmission; The household intelligent control node is by CAN bus interface access control network, the unit building communication controler communicates by CAN bus interface access control network and through RS232/485 and CAN interface conversion unit and property monitoring host computer, inserts telephone line network and by RS232/485 and CAN interface conversion unit access control network based on the home wireless control and the warning system of telephone wire transmission;
(7) based on power circuit Digitized Transmission community Control Network communication system.
CNB2006100313957A 2006-03-23 2006-03-23 Integrative intelligent system of digitization community CN100385874C (en)

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