CN206002869U

CN206002869U - A kind of intelligent domestic system based on wireless sensor network

Info

Publication number: CN206002869U
Application number: CN201620963879.4U
Authority: CN
Inventors: 黄双庆
Original assignee: Terminus Beijing Technology Co Ltd
Current assignee: Terminus Beijing Technology Co Ltd
Priority date: 2016-08-26
Filing date: 2016-08-26
Publication date: 2017-03-08
Anticipated expiration: 2026-08-26

Abstract

The utility model proposes a kind of intelligent domestic system based on wireless sensor network, this system includes：Intelligent household terminal, CPU, control detector unit, environmental detection unit, intelligent household terminal monitoring means, communication unit, power subsystem, 220V electrical network access unit, Internet of Things is applied in intelligent domestic system for it, thus simplifying the design of home terminal, reduce its manufacturing cost, be conducive to large-scale popularization and enforcement.Internet of things intelligent household server aggregates have the user of similar load capacity, part throttle characteristics in a large number, by analyzing the data such as power consumption, the load characteristic of a large number of users, can preferably provide the user energy-conservation and instruct.

Description

A kind of intelligent domestic system based on wireless sensor network

Technical field

This utility model is related to a kind of intelligent domestic system, particularly to a kind of intelligent family based on wireless sensor network Occupy system.

Background technology

With developing by leaps and bounds of computer technology, network technology, control technology and artificial intelligence etc., intelligent society becomes Development trend for new century.Hereunder, smart home also therewith fast development get up.Smart home concept originates from 20 generation The U.S. recording the beginning of the eighties, referred to as SmartHome.It experienced the development in 4 generations：The first generation is by coaxial line and two heart yearns Complete home intranet, and then realize light, curtain and a small amount of security protection control etc.；The second filial generation is by bus and IP technology groups Net, can complete the business of video intercom and security protection；The third generation is the intelligence control system of centralization, completes to pacify by middle control machine The function of the aspects such as anti-, metering；Forth generation then can realize personalized function according to user's request based on technology of Internet of things.

Compared with common household, smart home not only has traditional inhabitation function, can provide information exchange work(simultaneously People can be easy to and effectively arrange the time, make so that people can check Household information and the relevant device of control household in outside Obtain life staying idle at home safer, comfortable.System comprises the Internet, intelligent appliance, controller, household network and gateway.And intelligence The network of household and gateway are the key links being capable of information exchange between intelligent appliance equipment room, the Internet and user, are out Send out the important content with the design phase and difficult point.Smart home final goal is to allow domestic environment is more comfortable, safer, more ring Protect, more convenient.The appearance of Internet of Things makes present intelligent domestic system function more abundant, more diversified and personalized. Its systemic-function is concentrated mainly on intelligent lighting controls, intelligent appliance control, Video chat and intelligent security guard etc..Each family can Carry out design, extension or the reduction of function according to demand.

How Internet of Things and smart home organically to be combined, facilitate the outfit of smart home by technology of Internet of things And use, it is this utility model main target to be realized.

Utility model content

The purpose of this utility model is achieved through the following technical solutions.

A kind of intelligent domestic system based on wireless sensor network, this system includes：Intelligent household terminal, central authorities are processed Unit, control detector unit, environmental detection unit, intelligent household terminal monitoring means, communication unit, power subsystem, 220 electrical networks Access unit it is characterised in that：

Environmental detection unit includes：For detecting the PM2.5 detection sensor of air quality；For detecting the bright journey of air The visibility detection sensor of degree；

Intelligent household terminal monitoring means include：For detecting the electric power detection unit of the power consumption of intelligent household terminal； For detecting the time detecting unit of the duration of intelligent household terminal unlatching；

Detector unit is controlled to include：Running status for being adjusted to the running status of intelligent household terminal controls single Unit；Collecting unit for the information of the power consumption to intelligent household terminal power；According to control monitoring means pair The power consumption information of the power of intelligent household terminal is analyzed the alarm unit with early warning.

Further, also include：The situation that run intelligent household terminal or early warning information be sent to giant-screen or Information issue unit on mobile terminal.

Further, intelligent household terminal and intelligent household terminal are connected with each other, and form smart home Internet of Things；Intelligent family The communication occupying terminal to intelligent household terminal adopts power line carrier communication (PLC).

Further, it is intelligent domestic system configuration photovoltaic power generation equipment, be laid on roof and alien invasion.

Further, it is intelligent domestic system configuration small-size wind power-generating equipment, be arranged on one layer of open courtyard.

Further, intelligent household terminal is TV, air-conditioning, refrigerator, door, gateway, audio ＆ video equipment, illuminator, window One or more of curtain, electric cooker, monitoring device, alarm.

The utility model has the advantage of：By computer technology, digitizing technique and information technology application in traditional home appliance, Household electrical appliances are made to possess intelligent and information network function.Compared with traditional home appliance, in addition to possessing traditional home appliance function, also have remote The function of process control, remote maintenance and burglar alarm.In addition metric data locally stored for family, efficiency calculates required meter Move to smart home server on calculation resource is whole, realize " cloud " of efficiency data, computing resource and energy efficiency management.So not It is only capable of simplifying the design of home terminal, reduce its manufacturing cost, be conducive to large-scale popularization and enforcement.And easily produce and " assemble Effect ", smart home server aggregates have the user of similar load capacity, part throttle characteristics in a large number, use by analysis is a large amount of The data such as the power consumption at family, load characteristic, can preferably provide the user energy-conservation and instruct.

Brief description

By reading the detailed description of hereafter preferred implementation, various other advantages and benefit are common for this area Technical staff will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred implementation, and is not considered as to this practicality New restriction.And in whole accompanying drawing, it is denoted by the same reference numerals identical part.In the accompanying drawings：

Accompanying drawing 1 shows the intelligent domestic system according to this utility model embodiment based on wireless sensor network.

Accompanying drawing 2 shows the coulometric analyses according to this utility model embodiment based on the intelligent home device of Internet of Things Flow chart.

Specific embodiment

It is more fully described the illustrative embodiments of the disclosure below with reference to accompanying drawings.Although showing this public affairs in accompanying drawing The illustrative embodiments opened are it being understood, however, that may be realized in various forms the disclosure and the reality that should not illustrated here The mode of applying is limited.On the contrary, these embodiments are provided to be able to be best understood from the disclosure, and can be by this public affairs What the scope opened was complete conveys to those skilled in the art.

The utility model proposes a kind of intelligent domestic system based on wireless sensor network, this system includes：Intelligence Household terminal, CPU, control detector unit, environmental detection unit, intelligent household terminal monitoring means, communication unit Unit, power subsystem, 220 electrical network access units.Environmental detection unit includes：PM2.5 detection sensor, for detecting air matter Amount；Visibility detection sensor, it is used for detecting the bright degree of air；Intelligent household terminal monitoring means include：Electric power detection list Unit, for detecting the power consumption of intelligent household terminal；Time detecting unit, for detecting the duration that intelligent household terminal is opened； Detector unit is controlled to include：Running status control unit, for being adjusted to the running status of intelligent household terminal；Collection is single Unit, for the information to intelligent household terminal, is adopted including information such as the power of intelligent household terminal, power consumptions Collection；Alarm unit, according to controlling the information such as the power to intelligent household terminal for the monitoring means, power consumption to be analyzed, if touched Send out alert if, then send early warning signal.

According to one side of the present utility model, based on the intelligent domestic system of wireless sensor network, further include： Communication unit, can carry out information exchange by communication with control centre.

According to one side of the present utility model, based on the intelligent domestic system of wireless sensor network, further include The situation that intelligent household terminal runs or early warning information can be sent to giant-screen by information issue unit, or by micro- The social networking applications such as rich, wechat, will send information on the mobile phone of owner.

According to one side of the present utility model, based in the intelligent domestic system of wireless sensor network, smart home Terminal is connected with each other with intelligent household terminal, forms smart home Internet of Things；Intelligent household terminal is logical to intelligent household terminal Letter scheme is by the way of power line carrier communication (PLC).

According to one side of the present utility model, based in the intelligent domestic system of wireless sensor network, for intelligent family Occupy system configuration photovoltaic power generation equipment, be laid on roof and alien invasion.

According to one side of the present utility model, based in the intelligent domestic system of wireless sensor network, for intelligent family Occupy system configuration small-size wind power-generating equipment, be arranged in one layer of open courtyard.

According to one side of the present utility model, based on the intelligent domestic system of wireless sensor network, further include Smart home management terminal, is additionally operable to intelligent household terminal power consumption is calculated, and uploads to smart home server.

According to one side of the present utility model, based in the intelligent domestic system of wireless sensor network, smart home Terminal includes but is not limited to：TV, air-conditioning, refrigerator, door, gateway, audio ＆ video equipment, illuminator, curtain, electric cooker, monitoring Equipment, alarm.

According to embodiment of the present utility model, propose a kind of smart home and configure system, using 3 kinds of network designs, point It is not external the Internet, household intranet and home control subnet.External the Internet is configured to outside broadband access, and it carries The passage interacting with external information for household, main access form has telephone wire, radio communication, cable TV coaxial line and special Line.Household intranet is configured to solve the information exchange between the internal each equipment of household or system and mutual control and association Adjust, main way of realization has telephone wire, radio communication, infrared ray, power line communication and dedicated line.Home control subnet is configured to Household and each equipment are directly connected to and control, and implementation is with the connection side of wireless, electric lines of force and control line by controller Formula is carried out.

Computer technology, digitizing technique and information technology application in traditional home appliance, are made household electrical appliances possess intelligence by intelligent appliance Energyization and information network function.Compared with traditional home appliance, in addition to possessing traditional home appliance function, also there is remotely control, long-range Maintenance and the function of burglar alarm.Intelligent appliance has obtained vigorously under the promotion energetically of embedded technology and artificial intelligence technology Development, but the pouring in for Newly Sprouted Things and different vendor due to intelligent appliance, occur in that the interface of various criterion so that intelligent family The opening of electricity and compatibility are very poor, so that intelligent domestic system exploitation is restricted with the multiformity of design, simultaneously unfavorable In cost savings.

Appearance with cloud, wireless network and each intelligent terminal and development, we have proposed the smart home mould of " cloud+end " Formula, that is, adopt the service platform of a special function based on cloud computing technology being located in the Internet, and this service platform provides The various service for life functions of popular needs, such as weather parameters, also can in the setting of this service platform or exploitation personalized service, Intelligent terminal is connected in this service cloud by way of registration, and then realizes the high in the clouds of smart home management.Meanwhile, intelligence The release of mobile phone, can make this pattern present the characteristic of palm.

Data and application service center that service cloud is Internet to be built based on cloud computing technology.Its main task is Realize the reliability intervention of the storage, management and mobile terminal (smart mobile phone or Pad) of large-scale data and concurrently access, family networks Cloud platform provides the supplemental characteristic of smart home transmission, the monitoring and control of such as air quality for each register user.Household is eventually Hold built-in embedded automation collection and control system, in addition to possessing local device access function and related management function, also Need to possess with service cloud to connection function.

Smart mobile phone installs the mobile applications corresponding to cloud service as mobile terminal, and user can utilize whenever and wherever possible Mobile Internet carries out long-range monitoring, control and the management of intelligent appliance.

The key technology of " cloud+end " intelligent domestic system is to hold communication strategy and the data interactive mode in high in the clouds.In order to Realize smart home, its communication mode except possess two-way, in real time and in addition to the feature of high speed, the interoperability of system also should be Open and standardized.This pattern has occurred, but the difference of the multiformity due to networking products and producer leads in system Interoperability on do not realize completely open and standardization.

According to embodiment of the present utility model, the intelligent domestic system based on wireless sensor network is located at using one The Intelligent housing center being built based on cloud computing technology in the Internet, adds hundreds of millions of smart home management terminals And intelligent mobile terminal is constituted, the terminal of these magnanimity is linked on energy services cloud by the method for Active Registration, realizes house The high in the clouds of front yard energy efficiency management.Smart home server, smart home management terminal and palm intelligent household is comprised in the system Three ingredients of house keeper.

Data and application service center that smart home server is Internet to be built based on cloud computing technology, it is used Access in the reliability realizing extensive smart home management terminal and mobile terminal and concurrently access, and store user's efficiency number According to.Smart home server comprises user management, terminal accesses preposition service, terminal is in off-line state management and and electric power public affairs The functions such as department's data exchange.

The built-in embedded automation control system of smart home management terminal (or intelligent domestic gateway), it is right that it is used for realizing Local device accesses, and outside the function of controlling management of family's micro-capacitance sensor, is additionally operable to realize and the docking of smart home server.Its Comprise equipment power information to measure and visual modeling, distributed power source real-time monitoring and control, the use of Demand-side smart home The functions such as plan setting, home wiring control, Energy Efficiency Analysis and Saving energy.

Palm intelligent household house keeper is mounted in the mobile applications on mobile terminal (smart mobile phone or Pad), is to use Family is the most intimate at one's side, the most easily smart home manages assistant.It is remote that palm intelligent household house keeper utilizes mobile internet to realize The management of journey smart home, comprises that remote equipment state is checked, remote distributed power real-time monitoring and control, remote energy source make With functions such as plan execution, remote household electrical appliance control, remote alarmss.

According to embodiment of the present utility model, intelligent household terminal to high in the clouds communication plan can be connect using Socket Mouthful, it is communication mechanism between cross-platform program process on a kind of network, can be constructed arbitrarily across operation using Socket System, the distributed processing system(DPS) of across a network agreement.Socket relies on client/server (C/S) model realization network process Between communicate, client-server is 2 program process respectively, and client computer sends service request, server to server Respond.Terminal (home terminal and mobile terminal) is designed as the client computer of Socket, will be by note after client computer starts Volume and identifying procedure are actively connected to Cloud Server, and after succeeding in registration, this connection will be always maintained at as long connection status, when it In either party need can be directly using this connection during propelling data.

The communication plan of intelligent household terminal to terminal can be with using power line carrier communication plc communication mode.

" cloud+end " intelligent domestic system makes intelligent household system terminal manage on door by Active Registration to smart home, Simplify the difficult management that whole system is brought due to the access of substantial amounts of household management terminal.Electricity consumer can be carried using it For online service, the electricity consumption of remote management household appliances, or generating equipment is exerted oneself be adjusted.This pattern is family's efficiency More extensive mobile Internet has been pushed in management to, and user can participate in electrical network whenever and wherever possible and adjust, eventually by intelligent mobile simultaneously " palm " that energy efficiency management is realized at end (smart mobile phone) is changed.It is convenient for people to pay close attention to real-time energy-consuming at any time, thus reaching section The purpose of energy.In addition metric data locally stored for family, efficiency calculate required computing resource whole on move to intelligent family Occupy server, realize " cloud " of efficiency data, computing resource and energy efficiency management.Setting of home terminal so can not only be simplified Meter, reduces its manufacturing cost, is conducive to large-scale popularization and enforcement.And easily produce " building-up effect ", smart home server Have accumulated the user in a large number with similar load capacity, part throttle characteristics, by analyzing power consumption, load characteristic of a large number of users etc. Data, can preferably provide the user energy-conservation and instruct.

According to embodiment of the present utility model, the process that the smart home based on Internet of Things is equipped with is as follows：

During intelligent household terminal start, send networking request to server；

After server receives the networking request of intelligent household terminal, send checking to intelligent household terminal and require；

After intelligent household terminal receives checking requirement, send the checking information of Y=F (Ad, Kn) to server；Wherein F For encryption function, Ad is physical address, and Kn is pre-assigned to the key of intelligent household terminal for server；

After server receives checking information, separate the physical address in information and key；

If be proved to be successful, intelligent household terminal is allowed to add network；

If authentication failed, refusal intelligent household terminal adds network.

Server is previously stored with physical address Ad information and the key Kn information of street lamp in administrative area, to receive To after the checking information of intelligent road-lamp terminal, real-time verification.

According to a kind of embodiment of the present utility model, intelligent household terminal power consumption is calculated, and uploads to intelligence Can household server.Intelligent household terminal power consumption calculation can be using the intelligent household terminal electricity consumption gauge describing below Calculation method.

According to embodiment of the present utility model, a kind of intelligent domestic system based on Internet of Things is proposed, including：By electricity The line of force interconnective intelligent household terminal controller；Communication unit, for by intelligent household terminal controller and neighbouring intelligence Energy household terminal controller, Centralized Controller, Surveillance center are connected；Centralized Controller, for the intelligent family in affiliated area Occupy terminal to be controlled, realized to the collection with RS485 interface energy meter by smart home interconnection protocol and pass through electric power Line carrier communication (PLC) carries out remote monitoring to intelligent household terminal.

Centralized Controller includes following functional module:Data record, alert process and transmission.It is responsible for the fortune of controlling network OK, the order of Surveillance center is assigned to intelligent household terminal controller, will be whole to intelligent household terminal controller and smart home End operation information feeds back to Surveillance center.

Terminal controller is that far-end is used for controlling the core of intelligent household terminal part.On the one hand it needs to control intelligent family Occupy the importation of final drive power supply, on the other hand it needs to receive the control instruction from Surveillance center, such as plays open and close Close, adjust running status and inquiry etc..For example, when terminal controller receives the adjustment running status order of Centralized Controller device Afterwards, converting it into as discernible pwm signal, thus adjusting the running status of intelligent household terminal, realizing running status Change.

The output signal of intelligent household terminal can be gathered simultaneously, carry out breakdown judge, when intelligent household terminal occurs event During barrier, by this fault information reporting to Centralized Controller.The major function that terminal controller is realized has:Control intelligent household terminal Switch, running status adjustment, power collecting, current acquisition, voltage acquisition, temperature acquisition and power factor collection etc..

Surveillance center as the control heart of intelligent domestic system, for automatically controlling to whole intelligent domestic systems and Management.Surveillance center includes the composition such as monitor workstation, master control server, printer, UPS, communication equipment and giant-screen. Meanwhile, system has network interface, as long as access server, management work station etc., and system just can easily be constructed as intelligence The LAN that energy household terminal is formed, is shared by real-time performance intelligent household terminal monitoring data and image information.

Surveillance center is included as lower module:User management, Role Management, warning message, equipment control, log information, system Meter analysis, parameter setting, task management, ammeter inquiry etc..

The communication mode of system is combined with plc communication using 4G, 3G, GPRS.Between Surveillance center and Centralized Controller Using GPRS, 4G, 3G or internet interconnected communication, Centralized Controller and intelligent household terminal controller, intelligent household terminal Communication between controller and intelligent household terminal controller, intelligent household terminal and intelligent household terminal adopts PLC mode.Its Middle power line carrier communication (PLC) technology is modulated to signal using the modem of setting in intelligent household terminal, shape Become the carrier signal of characteristic frequency, then the signal modulating is sent on existing electric lines of force, using existing electric lines of force Network is communicated.

According to embodiment of the present utility model, a kind of intelligent domestic system based on wireless sensor network is proposed, should System includes：Intelligent household terminal, CPU, the detector unit that controls, environmental detection unit, intelligent household terminal monitoring Unit, communication unit, information issue unit, power subsystem, 220 electrical network access units.Wherein, environmental detection unit includes： PM2.5 detection sensor, for detecting air quality；Visibility detection sensor, it is used for detecting the bright degree of air.Intelligent family Occupy terminal monitoring unit to include：Electric power detection unit, for detecting the power consumption of intelligent household terminal；Time detecting unit, uses The duration opened in detection intelligent household terminal.Detector unit is controlled to include：Running status control unit, for smart home The running status of terminal is adjusted；Collecting unit, for the information to intelligent household terminal, including smart home The informations such as the power of terminal, power consumption；Alarm unit, according to the control work(to intelligent household terminal for the monitoring means The information such as rate, power consumption are analyzed, if triggering alert if, send early warning signal.Communication unit, according to processing unit Control, information exchange can be carried out by communication and control centre.Information issue unit, can be by smart home The situation of terminal operating or early warning information are sent to giant-screen, or pass to owner by social APP, such as, by micro- The social networking applications such as rich, wechat, will send information on the mobile phone of owner.Power subsystem, for for intelligent domestic system each Terminal is powered.220 electrical network access units, for being switched to the various pieces of intelligent domestic system by civil power.

According to embodiment of the present utility model, based on the power subsystem in the intelligent domestic system of wireless sensor network Inclusion：

Family's micro-capacitance sensor Alternating Current Power Supply unit, passes through inversion for the solaode installing family, energy storage device etc. Device is connected to ac bus, and ac bus pass through common junction breaker control again, realizes the grid-connected of family's microgrid and off-network is transported OK, thus providing lasting alternating electromotive force for the AC load of whole family.

Family's micro-capacitance sensor DC power supply unit, passes through DC/DC for the solaode installing family, energy storage device etc. Converter plant is connected to dc bus, and external power supply is accessed on the dc bus of family by AC/DC.Family's load is with DC load Based on, remaining AC load is then connected to dc bus by inverter, thus holding for the AC load offer of whole family Continuous alternating electromotive force.

Family's micro-capacitance sensor AC/DC hybrid power supply unit, for installing two types bus in the family：Dc bus is born Duty accesses easily-controllable DC generation and power unit, and ac bus access external power supply passage and easily-controllable alternating current generator and friendship Stream power unit, the new powering mode being mixed by alternating current-direct current, by various to photovoltaic, blower fan etc. the distributed electricals being applied to family Source is accessed, thus powering directly to AC load and DC load.

Photovoltaic power generation equipment, is laid on roof and alien invasion.

Small-size wind power-generating equipment, is arranged in one layer of open courtyard.

By photovoltaic power generation equipment and small-size wind power-generating equipment, realize the confession of family's summer using hot and cold, CCHP equipment Cold, heating in winter, provides effective energy pattern.Additionally, family can also configure the energy storage device of suitable capacity, both meet family's storage After energy and peak load regulation network, and fault, continued power of important load etc. needs, and can improve the proportion of clean energy resource consumption again.

Smart home micro-capacitance sensor control centre, for monitoring the information such as voltage, frequency, harmonic wave in family's microgrid, and is adjusted Control corresponding intelligent household terminal equipment it is ensured that the quality of power supply of household electricity；Step distributed power generation is gone out simultaneously Power carries out smooth control, provides the user the electric energy of reliable high-quality, realizes the friendly access of distribution power.

Intelligent domestic system includes intelligent metering unit, by intelligent electric meter, by two-way communication, dynamic electricity price, load The functions such as monitoring incorporate grid service, realize electric energy metrical intellectuality, traditional kilowatt meter reading-out system (AMR) is to senior measurement system (AMI) development.It is integrated with indoor gateway function in intelligent electric meter, to be controlled to indoor electrical equipment, abundant user Management of power use function.Grasp the detailed letter of single electrical equipment power information by the intelligent electric meter with bidirectional measuring function Breath.By wireless sensor networks, communication technology, the application in intelligent grid field for the embedding assembly technology, by electric energy metrical intelligence Energyization is realized, and is realized by network calculations.In Novel measuring, the observing and controlling of intelligent electric meter and two basic functions of calculating are divided From observing and controlling function is retained in be used at electrical nodes, is realized by controlling each sensor of the collection terminal in detector unit.And electric energy Computing function then concentrates the Surveillance center moving on to intelligent domestic system or CPU.Control adopting in detector unit The voltage x current sequence of local sampling is sent to network by each sensor at collection end, carries out centralized calculation and process, generates each The continuous data of intelligent household terminal.Network power is achieved by the way of energy measuring of this local sampling, remote computation Metering, abbreviation network measurement.

Intelligent metering unit includes measurement unit, NE and computing unit.

Measurement unit is made up of all measurement terminals being distributed in electrical network, including the measurement terminal at user node and electricity Depending on the measurement terminal at the device nodes such as, air-conditioning.The major function measuring terminal is the high frequency collection of current/voltage and transmits, and Receive computation layer control instruction.Measure terminal can occur in a variety of forms, both can be independent device it is also possible to be packaged in Intelligent cell in air switch, socket, switch or electrical equipment.For example, in above-mentioned intelligent household terminal, can be to control detection single Collecting unit in unit, realizes especially by corresponding sensor.

NE is made up of the communication network of high speed, high reliability.The current/voltage Time-space serial measuring terminal is through net Network uploads to computing unit, and electric energy result of calculation returns each measurement terminal through network again.Computing unit receives network layer transport mistake The current/voltage Time-space serial coming, flexibly calculates each node energy data according to different demands, can also be to line loss, electric energy The variables such as quality carry out global analysises, exception or accident equipment in monitoring electrical network, and electrical network is carried out with more strong, efficient prison Control.

Computing unit is made up of with related hardware device electric energy metrical software, can be located at difference according to application scenario difference Level, has and different is physically present form.For example, in family's network measurement system, can be located at intelligent household terminal node In the measurement terminal at place, its form of expression can be an intelligent air switch possessing measurement, calculating, communication function, for realizing The calculating of indoor each device node metric data and process；In building/subzone network metering system, it can be one or many Platform computer；In larger range of network measurement system, it can be the mass data center of multiple servers composition.

Based on the utility model proposes the intelligent domestic system based on wireless sensor network, wisdom family can be set up Four categorles sensory perceptual systems：Intelligent illuminating system, intelligent safety and defence system, Intelligent environment monitoring system.

Also GPS location can be passed through, the user for being in apart from this intelligent household terminal preset range sends information, by micro- The application of the mobile phones such as rich, wechat, information is pushed directly on user mobile phone, or subscribes ITS Information in the range of being User pushes relevant information.

Access luminance sensor and infrared inductor on intelligent household terminal, can be according to light conditions and ambient brightness Situation, certain room of automatic decision is the need of illumination, and by dimming unit, intelligent lighting lamp brightness can be adjusted automatically Section, also can be automatically switched off and start illumination etc..In addition, when needing illumination but intelligent lighting lamp cannot provide illumination, will automatically Report to the police to the control centre of intelligent home control system or power supply department, so that attendant ties up to intelligent lighting lamp in time Shield.Based on photographic head and infrared inductor, with the personnel in real-time monitoring preset range and equipment situation, and video can be provided Material is uploaded to the control centre of intelligent domestic system in real time, thus setting up the intelligent safety and defence system of a whole family of covering.Depending on Video data, to after intelligent domestic system control centre, also can be preserved for a long time by frequency material upload using cloud storage technology. Also GPS location can be passed through, send information to the mobile phone of owner or intelligent terminal, applied by mobile phones such as microblogging, wechat, will believe Breath is pushed directly on user mobile phone.

PM2.5 detection sensor, noise measuring sensor, air pollution detector, wet is accessed on intelligent household terminal The series sensor such as degree sensor, smoke inductor, can effectively monitor home environment situation, and relevant information is uploaded to intelligence Energy house system control centre, thus set up the environmental monitoring system of a whole family of covering.For example, urbanite generally will Seek the air pollution index of measurement family, the sensors such as detection air PM2.5 can be arranged on intelligent household terminal, convenient The air quality of ground monitoring family.

Intelligent grid has in the access to regenerative resource and distributed energy and management aspect and is obviously improved, and drives The change of whole Industry Development Modes, particularly application in family's micro-capacitance sensor for the distributed power generation, be that smart home brings Brand-new intension, changes that traditional smart home is with high costs, function is simple, practicality is strong, is difficult to the defect promoted. With the development of intelligent grid, wired home is also brought in the system of intelligent grid as the terminal units that the energy uses, In intelligent Community and family, distributed energy is installed, and carries out Flexible Control using micro-capacitance sensor technology.Supplied by AC/DC electricity technology, Energy conservation interfacing and the pluggable part of blocking make the energy control of micro-capacitance sensor safer, simpler, and family is micro- Electrical network has moved towards practical stage.By covering larger range of communication network, senior measurement system (AMI) can obtain entirely Most of metric data in adapted electric network.And having benefited from the development of wired home sensing control technology and communication technology, AMI can To obtain the detailed power information of terminal electricity consumer further, including the equipment operation information within user, electric network fault information, Power consumption information, quality of power supply information, energy storage information, distributed energy information, environmental information etc. are it is achieved that intelligent grid " adapted electricity wide area scene knows ", facilitates generation and the development of " network measurement " technology, has caused the change of conventional metered dose pattern Leather.The application of network measurement technology achieves the accurate measurement including user's indoor equipment.

Intelligent grid can be effectively prevented from the peak load of electrical network to the efficient guiding of user's power inside behavior, makes electrical network Operation is safer more efficiently；Electrical network can guide user to be actively engaged in construction and the pipe of intelligent grid with the two-way interaction of family Reason, provides the user more preferable service, guides traditional household energy consumption idea and produces major transformation.The consumer of electric energy Become electrical energy production and the coalition of consumption；The use of electric energy is from being passively changed into actively；Energy conservation from local turn to long-range, from Line turns to online.

According to embodiment of the present utility model, after smart mobile phone and mobile internet access intelligent household terminal, right Intelligent household terminal power consumption is calculated, and is configured with terminal each to smart home, comprises the steps of；

Step S1, obtain the performance number of each intelligent household terminal；

Step S2, the meansigma methodss entropy of calculating power；

Step S3, the actual value entropy of calculating power；

Step S4, electric quantity consumption and interpretation of result；

If step S5 power consumption is abnormal, send early warning signal；

If step S6 power consumption is normal, respectively intelligent household terminal is configured.

The comprising the following steps of step S1：

Step S11, control monitoring means obtain the performance number of each intelligent household terminal by collection terminal；

Step S12, by performance number n of each intelligent household terminal_iContent according to every 64 bytes stores to a 64* In 1024 two-dimensional feature vector；

The comprising the following steps of step S2：

Step S21, the life of pseudo random number between 0-1024 being 64 bytes using statistical method 10000 length of simulation Become sequence；

Step S22, by each sequence according to formula (1)：

Wherein

To calculate H (u), N is byte length 64, for 256, ni, m represents between 0-1024 that character i is corresponding and is stored in two dimension Performance number in characteristic vector, the method is the valuation entropy obtaining using maximum limit likelihood estimation

H(u)；

The comprising the following steps of step S3；

The number of each 0～1024 character in the two-dimensional feature vector of 64*1024 in step S31, statistic procedure S12；

Step S32, utilize formula (3)

To calculate the valuation entropy H, wherein n of this event_iFor the corresponding power being stored in two-dimensional feature vector of character i Value number；

The comprising the following steps of step S4：

Step S41, the variances sigma producing every time valuation entropy in step S2 is calculated, formula (4) is as follows：

σ=((H1 (P)-Hu (p))²+...(Hk(P)-Hu(p))²)/k(4)

Wherein HK (P) represents the valuation entropy that kth calculates, and Hu (p) represents the mean entropy of all valuations；

Step S42, see that the actual value entropy calculating in S3 every time, whether in the three times confidence interval of meansigma methodss entropy, is then Represent that power consumption is in normal range of powering, otherwise then, power consumption is abnormal.

Also dependent on said method, the parameters such as the voltage of intelligent household terminal, electric current, temperature, power factor are surveyed Amount, and measurement result is analyzed, according to analysis result, carry out the report of early warning information.

According to an embodiment of the present utility model, if analysis result display power consumption is abnormal, smart home is eventually End sends early warning signal by the communication unit of setting in intelligent household terminal to adjacent intelligent household terminal.Communication therein Unit can be the power line carrier communication PLC unit in 3G communication unit, 4G communication unit or smart home the Internet.

According to an embodiment of the present utility model, if analysis result display power consumption is abnormal, smart home is eventually End sends early warning signal by the communication unit of setting in intelligent household terminal to predetermined intelligent household terminal.Communication therein Unit adopts the power line carrier communication PLC unit in smart home the Internet, and power line carrier communication unit has addressing mesh Intelligent household terminal communication capacity.

According to an embodiment of the present utility model, if analysis result display power consumption is abnormal, smart home is eventually End sends early warning signal by the communication unit of setting in intelligent household terminal to the monitoring management system of intelligent domestic system.Its In communication unit can be power line carrier communication in 3G communication unit, 4G communication unit or smart home the Internet PLC unit, power line carrier communication unit can be with direct addressin purpose intelligent household terminal.

The calculating of entropy is the core procedure of utility model, and main theory foundation is the letter that Shannon proposes in theory of information The calculating of breath entropy.

According to embodiment of the present utility model, the monitoring management system of intelligent domestic system can be made up of 3 parts, that is, supervise Control center, Centralized Controller and terminal controller.

Surveillance center as the control heart of intelligent domestic system, be responsible for whole intelligent household terminals automatically control and Management role.Surveillance center's hardware is by monitor workstation, master control server, printer, UPS, communication equipment and giant-screen etc. Composition.Meanwhile, system has network interface, as long as access server, management work station etc., and system just can easily be set up Manage formed LAN by intelligent household terminal, by monitoring data and the image information of real-time performance intelligent household terminal Shared.

Surveillance center is included as lower unit:User management, Role Management, warning message, equipment control, log information, system Meter analysis, parameter setting, task management, ammeter inquiry etc..

Centralized Controller is the key equipment of acquiring electric energy information and remotely control in intelligent domestic system.By intelligent family Occupy terminal interconnection protocol to realize to the collection with RS485 interface energy meter and pass through power line carrier communication (PLC) to intelligence Household terminal carries out remote monitoring.

Centralized Controller includes following functional unit:Intelligent household terminal data record, alert process and transmission.It is responsible for The operation of controlling network, the order of Surveillance center is assigned to Node Controller, and controller and line information are fed back to monitoring Center.

Centralized Controller is mainly made up of following hardware components:Power line carrier communication unit, processor unit, 4G/3G Unit, serial communication unit, power subsystem On-off signal testing circuit, loop output control part, RTC clock circuit, mould Analog quantity input detecting circuit, LCD show and key part.

Terminal controller is that far-end is used for controlling the core of smart home part.On the one hand it needs to control smart home eventually The input control section at end, on the other hand it needs to receive the control instruction from Surveillance center, such as opens, closes, adjusts fortune Row state and inquiry etc..For example, after terminal controller receives the adjustment running status order of Centralized Controller, convert it into For the discernible pwm signal of intelligent household terminal, thus have adjusted the state of intelligent household terminal, realize the change of running status Change.

The output signal of intelligent household terminal can be gathered simultaneously, carry out breakdown judge, when a failure occurs it, by this fault Information reporting is to Centralized Controller.The major function that terminal controller is realized has:Control intelligent household terminal switch, adjust and run State, power collecting, current acquisition, voltage acquisition, temperature acquisition and power factor collection etc..

The communication mode of system is combined with power line carrier communication plc communication using 4G, 3G, GPRS.Surveillance center with 4G, 3G or GPRS is adopted to communicate between Centralized Controller, Centralized Controller is PLC with the communication of intelligent household terminal controller Mode.Wherein power line carrier communication (PLC) technology is carried out to signal using the modem of setting in intelligent household terminal Modulation, forms the carrier signal of characteristic frequency, then the signal modulating is sent on existing electric lines of force, using existing The technology that power line network is communicated.

Surveillance center passes through Centralized Controller and sends control information to intelligent household terminal it is possible to receive smart home eventually The status information that end returns, is analyzed, processes.Centralized Controller receives the control information that Surveillance center sends, by electric power Line carrier wave PLC is sent to intelligent household terminal end, and intelligent household terminal end data is returned Surveillance center.Receive control centre The control information sent, carries out corresponding control action, and the real-time number that intelligent household terminal is run to intelligent household terminal According to return.

According to embodiment of the present utility model, power line carrier communication is absorbed in and is made it possible to via existing power line network Network (for example, the electric lines of force in family and building) carries out broadband connections.It is connected to the power line communication (PLC) of power line network Equipment can be communicated with other PLC device being connected on power line network using suitable power line communication standard.Even It is connected to interference between the inhomogeneous PLC device (for example, HomePlug equipment and G.HN equipment) of power line network at these PLC device can be introduced into when attempting being communicated via power line network simultaneously.In general, being connected to power line network HomePlug equipment is using the standard being defined by HomePlug Power line Alliance and other HomePlug devices exchange information.Similar Ground, the G.HN equipment being connected to power line network uses defined G.HN standard and other G.HN devices exchange information.However, G.HN equipment can not with HomePlug equipment communication, can not detect HomePlug equipment, with HomePlug equipment backward and Hold.Therefore, in the communication period of G.HN equipment, HomePlug equipment may attempt to initiate communication.Similarly, set in HomePlug Standby communication period G.HN equipment may attempt to initiate communication.This can lead to dry between HomePlug equipment and G.HN equipment Disturb, defective communication simultaneously affects the performance of PLC device in power line network.

Above-mentioned incompatible in order to solve the problems, such as, power line network includes power line socket 104,106 and 108, electric lines of force Socket 104,106 and 108 makes power line device be connectable to power line network.One or more PLC device can be via this A little power line socket are connected to power line network.For example, HomePlug equipment is connected to power line network via power line socket 104 Network 102, G.HN equipment is connected to power line network via power line socket 106, and bimodulus G.HN equipment is inserted via electric lines of force Mouth 108 is connected to power line network.HomePlug equipment can achieve HomePlug1.0 power line communication standard, HomePlugAV Power line communication standard or other appropriate version of HomePlug power line communication standard.HomePlug equipment can use by Any suitable communication standard (in the power line medium including power line network 102) of HomePlug Power line Alliance definition With other HomePlug devices exchange information.G.HN equipment can according to G.HN communication standard in power line medium with other G.HN Devices exchange information.Bimodulus G.HN equipment includes transceiver, operator scheme dispensing unit and processing unit.Processing unit includes Packet generating part and channel access unit.Packet generating part may include based on the PLC device being connected to power line network Class (or type) (i.e., if be G.HN equipment and/or HomePlug equipment) is selecting just to fit the feature of header.Processing unit Data to be transmitted and can be from receiving extract respectively/processing data can be encapsulated further in selected header.Bimodulus G.HN Equipment may be configured such that can detect HomePlug equipment and with HomePlug equipment backward compatibility.In other words, bimodulus G.HN equipment is that the G.HN of compatible mechanism enabling to be communicated with G.HN equipment and incompatible HomePlug equipment is set Standby.

Power line communication (PLC) equipment to operate generally according to " HomePlugAV " standard, and depending on this standard Version, carries out PLC signal transmission using broadband (for example, from 1.8MHz to 30MHz, or up to 86MHz).However, should PLC signal may interfere with (for example, to be penetrated in other communication equipments and application with operation in this PLC device identical frequency range Frequency marking knows (RFID) application).In order to avoid from PLC signal transmission in the overlapping communication band being used by other communications applications Interference, some subcarriers (or coherent sub-carrier group) of PLC frequency band can be excluded (or by trap) and not transmit PLC signal. Currently, the subcarrier being excluded during the transmission in PLC signal can be come pre- based on PLC standard (for example, HomePlugAV standard) Fixed.(according to PLC standard) does not allow these predetermined subcarrier of PLC device communication to be referred to herein as, and " static trap is secondary to be carried Ripple ".For example, for PLC signal transmission, 10 subcarriers in PLC frequency band for the current HomePlugAV1.1 equipment are usually required that In (" trap subcarrier " or " trap "), power spectral density is reduced at least 30dB.Due to the frequency characteristic of trap subcarrier, lead to Often supplementary protection frequency band is adopted to require to meet trap on any edge of trap subcarrier.Correspondingly, it is adjacent to trap pair One or more subcarriers (" adjacent subcarriers ") of carrier wave may not be available for transmitting (for example, due to guard band), by This total throughout decreasing the quantity of subcarrier (for example, frequency resource) being available for transmitting and reducing PLC device.This Outward, for be scheduled to the PLC signal that transmitted it may be difficult in frequency domain and time domain, the OFDM symbol being transmitted is carried out fixed Shape, and maintain simultaneously guard band (in a frequency domain) and guard interval (in the time domain), make intersymbol interference (ISI) minimize and Reach trap requirement.For example, the efficient trap in frequency domain leads to the ISI in time domain.However, time domain is reduced using guard interval ISI can reduce the available time-domain resource amount being available for transmitting.Existing PLC device is generally using the time-domain windowed letter that band is overlapping Number, each OFDM symbol of wherein PLC signal be multiplied by for must trap come the windowed function to optimize.However, this is steady-state solution Certainly scheme and require to change (for example, increasing with trap quantity and depth) such as trap and lead to capacitance loss and property Can degrade.Additionally, simply PLC device is configured to not transmit in static trap subcarrier typically inadequate.This is Because the transmission of PLC signal is likely to lead to the out-of-band radiation from adjacent subcarriers, it may interfere with other communications applications.

According to embodiment of the present utility model, in intelligent household terminal, the PLC device of setting can be that legacy network sets Standby, it includes a network interface and only executes for the feature in power line network exchange communications.PLC device also may be used To be a part for hybrid network equipment, at least one network interface of wherein this hybrid network equipment realizes power line communication work( Can property, and other network interfaces realize other suitable wired or wireless communication agreements (for example, ethernet communication protocol, wireless LAN (WLAN) communication protocol, IEEE802.11 communication protocol etc.).In certain embodiments, PLC device can be HomePlugAV equipment.Note, although the network equipment is depicted as PLC device, each embodiment is simultaneously not so limited.At it In his embodiment, the network equipment can achieve the communication technology (for example, Ethernet, WLAN etc.) of other suitable type.PLC device bag Include sef-adapting filter group, filter adaptation unit and communication media sensing unit.Sef-adapting filter group includes N number of filter Ripple device element 1,2 ... 8.Communication media sensing unit is coupled to filter adaptation unit, this filter adaptation unit and then coupling To sef-adapting filter group.Filter adaptation unit includes performance analysis unit, factor determination unit and sef-adapting filter Band controller.Specifically, in one embodiment, filter adaptation unit (for example, performance analysis unit) can be situated between from communication Matter sensing unit receive the performance measurement that is associated with one or more subcarriers and can analyze the performance measurement receiving with Determine whether to make one or more subcarrier traps of PLC frequency band.Factor determination unit can be based at least partially on and to receive Performance measurement is determining the filter coefficient of one or more filter elements.Sef-adapting filter band controller can provide control Signal 18,20 ... 22 processed with control/update respectively filter element 1,2 ... 8 filter coefficient (and correspondingly control/update Filter characteristic).Sef-adapting filter group receives input PLC signal simultaneously generates the filtered PLC signal of output for subsequent treatment And transmission.Note, in certain embodiments, sef-adapting filter group can be in suitable pretreatment operation (for example, pre-amplification etc.) Receives input PLC signal afterwards.Additionally, output PLC signal can be further processed (example before transmitting on power line network As amplification, modulation, digital-to-analogue conversion etc. afterwards).As will be described further, sef-adapting filter group, filter adaptation list Unit and communication media sensing unit can cooperating to adapt to the situation/performance of change being detected by PLC device, thus reaching Become the efficient trap in PLC frequency band.

Plc communication unit includes sef-adapting filter group, filter adaptation unit and communication media sensing unit.Filter Ripple device adaptation unit includes performance analysis unit, factor determination unit and sef-adapting filter band controller.Communication media Sensing unit can determine that the performance measurement being associated with the subcarrier in PLC frequency band.Based on these performance measurements, performance evaluation list Unit can determine that whether another communication equipment of interference operation in overlapping communication band (and is affected its property by the transmission of electronic equipment Can).The transmission that filter adaptation unit (for example, performance analysis unit) can identify electronic equipment thereon will disturb other communications to set Standby one or more sub-carrier groups and can determine that the one or more sub-carrier group traps that will dynamically make to be identified.Accordingly Ground, filter adaptation unit (for example, sef-adapting filter band controller) can enable/activate in sef-adapting filter group is joined It is set to the filter element making this one or more identified sub-carrier group trap.Additionally, be based on (being adjacent to trap sub-carrier group ) performance measurement and electronic equipment of the adjacent subcarriers overall performance in PLC frequency band, filter adaptation unit is (for example, Coefficient calculation unit) also can change the filter coefficient of the filter element being activated, with for adjacent subcarriers performance and The overall performance of electronic equipment is optimizing the width of (in adjacent subcarriers) guard band.

According to embodiment of the present utility model, the plc communication in interconnective any two intelligent household terminal sets Can direct intercommunication between standby.First, determine each letter that communicates between sender's PLC device and recipient's PLC device The performance measurement in road.For example, (sender's PLC device) channel performance estimation unit can determine sender's PLC device and connects The performance measurement of each communication channel between debit's PLC device.Every between sender's PLC device and recipient's PLC device One communication channel can be the combination that the network coupling of sender's PLC device and the network of recipient's PLC device couple.One In individual embodiment, can there are four communication channels between sender's PLC device and recipient's PLC device：1) by LN network coupling The channel that the combination of conjunction 1 and LN network coupling 2 is formed, 2) letter that 8 combination is formed is coupled by LN network coupling 2 and LG network Road, 3) channel that 6 combination is formed is coupled by LG network coupling 4 and LN network, and 4) 4 and LG network couplings are coupled by LG network Close the channel that 8 combination is formed.Performance measurement can include signal to noise ratio (SNR), signal intensity, signal and interference and noise ratio (SINR), Reduction Level and/or other suitable performance measurements.

Sender's PLC device may determine whether to transmit coupling switching notice to recipient's PLC device.For this reason, sending Whether square PLC device can determine the performance measurement of the communication channel being formed with main receiver coupling (with replacing receiver coupling Close and formed) in the predetermined threshold of performance measurement of preferred communication channel.For example, in addition to preferred communication channel, sender PLC device can also identify and couple shape with the main receiver coupling of recipient's PLC device and any network of sender's PLC device The optimum performance communication channel becoming.Sender's PLC device can be by (with replacing what receiver coupling was formed) preferred communication channel Performance measurement with couple, with main receiver, the performance measurement of optimum performance communication channel being formed and be compared.For example, if The SNR (or handling capacity) reaching on preferred communication channel is in the optimum performance communication channel being formed with main receiver coupling In the predetermined threshold of SNR (or handling capacity) or predetermined percentage (for example, 5%), then sender's PLC device can determine and do not transmit Coupling switching notice.The substitute is, sender's PLC device can be connect by pointing out recipient's PLC device to switch to replacement Receipts machine couples not to be reached significant performance gain and can lead to the main receiver coupling transmission of recipient's PLC device to infer Letter.

According to embodiment of the present utility model, the communication unit in intelligent household terminal is PLC device.PLC device can Receive from main process equipment (for example, computer, laptop computer etc.) or from the network equipment coupled to remote PLC equipment Input.For example, to the input of this PLC device can be via coaxial cable Ethernet (EoC), power line carrier (BPL) etc..Should Communication unit in PLC device includes packet processing unit and coupling unit.This PLC device can be based on one or more PLC rule Model (for example, HomePlugAV, HomePlugAV2, HomePlugGreenPHY etc.).Packet processing unit and coupling unit allow Each example that PLC device is realized in power line communication technology and each example can perform the operation of standard self-support PLC device.Coupling Close the plurality of example of element keeps track to lead to the communication network that each example in this multiple example is associated and corresponding each PLC device in communication network.For example, for each communication network in each communication network, coupling unit broadcast has accordingly leads to The discovery beacon (for example, it was discovered that message) of the network identifier of communication network.Network ID is the unique identification of communication network.? During some are realized, network ID can be based on the NMK being associated with communication network.For example, network ID can be based on and communication network Associated NMK and the security level information also based on this communication network.In a specific indefiniteness example, net Network ID can be 52 NMK and the combining or cascade of 2 security level designators.Upon receipt of the discovery to communication network The response (for example, response message) that beacon is made, coupling unit determines that the PLC device in respective communication network.A kind of real In existing, coupling unit uses example ID (for example, medium education (MAC) address or the reality different from terminal installation identifier Example No. ID etc.) following the tracks of the plurality of example.Each example in the plurality of example by respective communication network except this PLC device with Other outer PLC device to identify by terminal installation identifier.Coupling unit also safeguards mapping table, and (for example, example ID is to net Network ID mapping table) determining the communication network being associated with each example in each example.In some implementations, coupling unit can To be safeguarded logical with regard to be associated with each example using different data structures (for example, relational database, spreadsheet etc.) The information of communication network.PLC processing unit executes the operation for processing power line communication using appropriate example.For example, PLC Processing unit constructs power line data frame using appropriate network ID (corresponding to example ID) and feeds to destination's PLC device biography SCN Space Cable Network is grouped.Similarly, upon receipt of power line data frame, PLC processing unit determines that appropriate example for place Manage this power line data frame.Coupling unit and PLC processing unit may include one or many for realizing power line communication technology Individual assembly and programmed instruction.Example number achieved by PLC device depends on its ability (for example, processing speed, electric lines of force Frame conversion, hardware and software ability etc.).

PLC processing unit determines this purpose intelligent household terminal equipment based on the address of purpose intelligent household terminal equipment Communication network.PLC processing unit can be interacted with coupling unit to receive the communication network with regard to purpose intelligent household terminal equipment The information of network.In some implementations, PLC processing unit can determine according to the network information table of PLC device and purpose intelligence man Occupy the network ID that terminal unit is associated.For example, PLC processing unit can determine that and is associated with purpose intelligent household terminal equipment The network ID that the network information table of address is associated.PLC device can facilitate the intelligent household terminal equipment connecting to this PLC device And one or more intelligent household terminal equipment of the PLC device being connected to communication network between and this smart home eventually Communicate while between end equipment and one or more intelligent household terminal equipment of the PLC device being connected to communication network.

According to embodiment of the present utility model, PLC unit can be can (for example, power line communication sets with the network equipment Standby) the independent card module that docks.The network equipment includes physical connection unit, analog front-end unit and RX band filter.PLC Unit includes transformer coupled unit, zero line, live wire and ground wire.In one implementation, transformer coupled unit includes PLC diversity coupling Matched moulds block, PLC diversity coupling module includes single phase transformer coupling unit.In a further implementation, transformer coupled unit includes PLC Dual transformer coupling unit in diversity coupling module.For purposes of clarity, PLC diversity coupling module does not include all groups Part (for example, capacitor, resistor etc.) and do not describe high pressure and low pressure winding.Transformator coupling in PLC diversity coupling module Close unit receive the signal of communication that will send from analog front-end unit and by this coupling communication signals to live wire/zero line channel and Live wire/ground channel.The signal of communication that transformer coupled unit will receive on live wire/zero line channel and live wire/ground channel Coupled to RX band filter.

According to embodiment of the present utility model, upon receipt of from PLC device (for example, HomePlug equipment, G.HN Equipment, bimodulus G.HN equipment etc.) PLC packet, bimodulus G.HN equipment just may depend on transmit this PLC packet PLC device come Process received PLC packet.The processing unit of bimodulus G.HN equipment can achieve various technology to process received PLC Packet.In one implementation, whether include whether hybird environment (for example, is included based on power line network based on power line network HomePlug equipment and G.HN equipment), processing unit can determine how to process received PLC packet.At another In realization, processing unit can be determined how based on the time interval receiving PLC packet and process received PLC packet. For example, if processing unit determines PLC, packet received during the mixed communication time, and processing unit can determine that and connect The PLC packet receiving will likely include ones which one of compatible packet header.In another realization, processing unit may include point The received header of PLC packet of analysis and the feature being dynamically determined the packet of the PLC received by how processing.For example, locate Based on the analysis of the header to received PLC packet, reason unit can determine that G.HN equipment uses G.HN packet header to transmit This PLC packet.Therefore, processing unit can process PLC packet according to G.HN treatment technology.It is furthermore noted that it is real at some In existing, operator scheme dispensing unit can be analyzed received PLC and be grouped to determine that sender's power line device is G.HN equipment Or HomePlug equipment.If it is determined that HomePlug equipment transfers this PLC packet, then operator scheme dispensing unit can instruct The PLC packet received by HomePlug processing unit processes of processing unit.Alternatively if it is determined that G.HN equipment transfers This PLC is grouped, then operator scheme dispensing unit can instruct the PLC received by G.HN processing unit processes of processing unit to divide Group.

According to embodiment of the present utility model, included based on the intelligent domestic system of cloud computing：Server, principal communication section Point, sensor and control node etc. form；Sensor includes Temperature Humidity Sensor and optical sensor etc., for indoor environment prison Survey；The control object of control node is mainly set by audio ＆ video equipment, illuminator, curtain, air-conditioning, refrigerator, electric cooker, monitoring Standby, alarm etc. forms.It is connected by wireless network or plc communication unit between principal communication node and control node；In order to protect Demonstrate,prove the safety realization of smart home Internet of Things it is desirable to each node is networked by key authentication in network, and calculated by SM4 password Method cryptographically sends control instruction, and when illegal node or unusual condition in system, warning node is made report in real time Alert reaction.

The safety of smart home the Internet, needs to set up corresponding security framework and realizes data confidentiality, access control, client The functions such as end secret protection are to resist complex attack.It is for smart home internet security target, the safety of design specialized is calculated Method and mechanism, it is ensured that malicious attack can be resisted in smart home the Internet, ensure the safety and stability that household network runs.

According to embodiment of the present utility model, smart home the Internet belongs to the sensing network of application-specific background, only Have and be just allowed to add network, the safety certification before the networking of safe and intelligent home node by the safe and intelligent home node authorizing It is to ensure that the first step of whole system safety, it is critical only that the security verification of safe and intelligent home node identity.According to peace Full smart home node physical address has the characteristics that uniqueness, stores the physics through key Kn encryption first in the server Address.When networking request, system is analyzed safe and intelligent home node automatically to safe and intelligent home node physical address, And verify the key that node sends.

According to embodiment of the present utility model, a kind of controller of intelligent domestic system is proposed, for each intelligent family Occupy terminal setting operational factor.Surveillance center executes group control switch automatically, and arbitrary intelligent terminal's execution also round-the-clock can be controlled to open Close, midnight operational mode (battery saving mode) can be arbitrarily set, all kinds of festivals or holidays in 1 year can be carried out with switch and run setting.

The parameters such as the voltage of each intelligent terminal, electric current, electric degree number, power factor and power are sent back by wireless channel Surveillance center, after center host is analyzed, processed to these data, is supplied to master with intuitively figure or form People, provides accurate foundation for decision-making.

Positioned at the computer of intelligent household terminal administrative center, intelligence can be passed through as administrative center with each terminal of smart home Network system can be formed in household the Internet, form a control, statistics, inquiry, decision system.If necessary can be direct by owner By the mobile phone of oneself, intelligent terminal is controlled and inquires about.

When the faults such as have a power failure, A.C. contactor damage even cable is stolen occur at intelligent terminal, all in Surveillance center Or send audible and visual alarm signal in real time on master cellular phone, and show abort situation (certain of certain intelligent household terminal over the display One branch line), the situation of fault and type, such as the situation is critical also can directly put through the mobile phone of owner, provide audio alert.Administrative man Member, and can be to it may happen that the state of fault according to statistical analysiss, the place of timely tracing trouble and type to running status It is predicted.

The display of Surveillance center selects large screen display, in addition to operation interface with observing and controlling parameter, can also scene Observing and controlling parameter at analog information whole intelligent household terminal situation and each intelligent terminal and state, can local enlargement display.

Intelligent household terminal is designed with reserve battery, and to guarantee to have no progeny in Alternating Current Power Supply, system remains to normally run, intelligence The data of household terminal is saved in EEPROM, never loses, and ensures the communication of same Surveillance center in 24 hours.Surveillance center joins Standby UPS uninterrupted power source, ensures the normal operation of main frame and the communication contact with intelligent household terminal.

Surveillance center can set the system command password of oneself, and in the present system, the order only meeting password is connect Accept row, the order not meeting password is abandoned without exception.The stability of system so can be improved, in case by other unrelated persons Interference.

According to one side of the present utility model, intelligent household terminal, with microprocessor as core, is processed using micro-signal Technology, is isolated sampling entirely by sensor, completes the collection of the data such as live electric current, voltage and power, power factor；And According to the order of control centre's dispatching terminal, complete transmission and the control to each road intelligent household terminal of data；When scene occurs While sending local audible and visual alarm, warning information can be sent to Surveillance center during fault, ensureing that system safety is normal Run；When with dispatching terminal communication disruption, can be according to the switch time of storage and the automatic independent operating of running status, absolute guarantee Intelligent household terminal reliability of operation.

By the control of intelligent household terminal, it is sequentially completed following steps:

1. control the switch of all intelligent household terminals with control system simultaneously；

2. give during all intelligent household terminal schools or setting switch time；

3. receive the automatic running information that all intelligent household terminals are sent；

4. operated on mobile phone, shown the state of currently all intelligent household terminals:Open and close, operation or fault；

5. receive and show the warning information that all intelligent household terminals are sent, such as illegal switch, illegal invasion, cable event Barrier, power failure etc.；

6. show the status information of certain intelligent household terminal:Voltage, electric current and electricity consumption number of degrees etc.；

According to embodiment of the present utility model, intelligent domestic system control centre passes through smart home the Internet and intelligence Household terminal controller communicates.Intelligent domestic system control centre is the core of whole network, realizes following functions：1. according to need Information to be gathered, sends corresponding control instruction, starts on intelligent household terminal corresponding sensor and makes it into work State；What 2. control centre's reception various sensors on the intelligent household terminal of smart home the Internet tip uploaded is all kinds of Data, the operation of display whole network in real time and monitoring situation；3. each item data receiving is carried out total score by control centre Analysis, draws the preferred plan of intelligent household terminal, security protection control etc., and control instruction is sent to intelligent household terminal or master The mobile phone of people.

Power line carrier, PLC (PLC) technology can be adopted between intelligent household terminal and intelligent domestic system control centre, from And farthest simplify networking plan.Add plc communication unit on intelligent household terminal, and supplied using intelligent household terminal Electric network, you can realize the maximum to existing power line network and utilize, without other laying network line.

Intelligent household terminal controller is made up of modem, ethernet interface circuit and plc communication unit, as Important node in network, its function is mainly by the forwarding of data so that passing through by the data that power line network accepts Smart home the Internet is sent to control centre, and the control signal being simultaneously also responsible for transmitting control centre is forwarded to smart home Terminal controller.

When electric lines of force has electric wave signal to send over, plc communication unit accepts this signal, and carries out respective handling, turns It is changed to digital signal, then pass through MII interface, send the signal to smart home internet interface circuit.Smart home interconnects The signal of plc communication unit transmission can be converted to the signal interconnecting Internet communication in smart home by network interface circuit, so Modem then can identify this signal, and last modem sends signal to smart home the Internet, thus intelligence Household terminal controller and control centre achieve data exchange.Networking mode can also be using other including 3G, 4G Communication.Based on Chinese existing 3G, 4G cordless communication network, can set up and more flexibly cover whole city Smart city intelligent domestic system.

Intelligent household terminal in this utility model includes but is not limited to：TV, air-conditioning, refrigerator, door, gateway, audio frequency and video Equipment, illuminator, curtain, electric cooker, monitoring device, alarm etc..

The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not It is confined to this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in Change or replacement, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model answers institute State and be defined by scope of the claims.

Claims

1. a kind of intelligent domestic system based on wireless sensor network, the described smart home system based on wireless sensor network System includes：Intelligent household terminal, CPU, the detector unit that controls, environmental detection unit, intelligent household terminal monitoring are single Unit, communication unit, power subsystem, 220V electrical network access unit it is characterised in that：

Environmental detection unit includes：For detecting the PM2.5 detection sensor of air quality；For detecting the bright degree of air Visibility detection sensor,；

Intelligent household terminal monitoring means include：For detecting the electric power detection unit of the power consumption of intelligent household terminal；For The time detecting unit of the duration that detection intelligent household terminal is opened；

Detector unit is controlled to include：For the running status control unit that the running status of intelligent household terminal is adjusted； Collecting unit for the information of the power consumption to intelligent household terminal power；According to control monitoring means to intelligence The power consumption information of the power of household terminal is analyzed the alarm unit with early warning；

Wherein, PM2.5 detector unit, visibility detector unit, Temperature and Humidity unit are connected respectively to environmental detection unit, ring Border detector unit is connected to intelligent household terminal；

Electric power detection unit, time detecting unit are connected respectively to control detector unit, control detector unit to be connected to intelligent family Occupy terminal；

Detector unit is controlled to be connected to intelligent household terminal, intelligent household terminal is connected to CPU, information is issued single Unit, communication unit are connected respectively to CPU.

2. the intelligent domestic system based on wireless sensor network as claimed in claim 1 it is characterised in that described based on no The intelligent domestic system of line sensor network also includes：

The situation that run intelligent household terminal or early warning information are sent to the information issue on giant-screen or mobile terminal Unit.

3. the intelligent domestic system based on wireless sensor network as claimed in claim 1 it is characterised in that：

Intelligent household terminal is connected with each other with intelligent household terminal, forms smart home Internet of Things；

The communication of intelligent household terminal to intelligent household terminal adopts power line carrier communication.

4. the intelligent domestic system based on wireless sensor network as claimed in claim 3 it is characterised in that：

Described photovoltaic power generation equipment is configured with based on the intelligent domestic system of wireless sensor network.

5. the intelligent domestic system based on wireless sensor network as claimed in claim 3 it is characterised in that：

Described small-size wind power-generating equipment is configured with based on the intelligent domestic system of wireless sensor network.

6. the intelligent domestic system based on wireless sensor network as claimed in claim 1 it is characterised in that：

Intelligent household terminal is TV, air-conditioning, refrigerator, door, gateway, audio ＆ video equipment, illuminator, curtain, electric cooker, monitoring One or more of equipment.