CN109471371A - A kind of intelligent home control system based on Zigbee - Google Patents
A kind of intelligent home control system based on Zigbee Download PDFInfo
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- 238000010295 mobile communication Methods 0.000 claims abstract description 100
- 238000004891 communication Methods 0.000 claims abstract description 40
- 238000004378 air conditioning Methods 0.000 claims abstract description 14
- 230000006870 function Effects 0.000 claims description 33
- 230000005540 biological transmission Effects 0.000 claims description 17
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- 238000000465 moulding Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005314 correlation function Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
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- 238000012544 monitoring process Methods 0.000 claims description 2
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- 230000002452 interceptive effect Effects 0.000 description 3
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
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- G05B2219/2642—Domotique, domestic, home control, automation, smart house
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Abstract
The invention discloses a kind of intelligent home control systems based on Zigbee, include: intelligent radio administrative center, lighting control module, airconditioning control module, curtain control module, home theater control module, security protection control module, Zigbee transceiver module, camera and wireless communication module；Zigbee transceiver module is used to realize the intelligent radio administrative center data communication between lighting control module, airconditioning control module, curtain control module, home theater control module and security protection control module respectively by zigbee communication mode；Camera connects intelligent radio administrative center, for acquiring the image in house；Wireless communication module is used to connect by the way of wireless communication with mobile communication terminal.The present invention has multiple control modules, and control function is complete, and multiple contextual models are provided in intelligent radio administrative center, convenient to use, as soon as a contextual model only need to be selected, can control multiple smart homes simultaneously.
Description
Technical field
The present invention relates to smart home fields, more specifically to a kind of Intelligent housing system based on Zigbee
System.
Background technique
Intelligent domestic is built upon the generation information technologies such as technology of Internet of things, service computing technique, cloud computing technology
On the basis of, and these technologies are organically combined, realize the function of intelligent domestic.In user to quality of life, inhabitation
Under the new situation, Household informationization inevitably becomes the weight in social informatization process for condition and acquisition of information urgent need
Want component part.
Family is the basic unit for constituting society, to realize the informationization of society, should realize the informationization of household first；
The informationization of household is only realized, qualified informationized society could be constructed.In recent years, many knowledgeable people recognize
The importance of Household information, and consider as an important research and development direction.The realization of Household information is
Premised on perfect smart home system, the Informational Trend of domestic environment is irreversible.However, existing smart home
Control system system be for when aspect is designed, such as only for lamps and lanterns, only for curtain, without smart home
Control system is integrally designed, and single design is unable to satisfy the growth requirement of smart home.
Summary of the invention
The targeted technical problem of the present invention is that in the prior art, single smart home design is unable to satisfy intelligent family
The technological deficiency of the growth requirement in residence, the technical solution adopted by the present invention to solve the technical problems are: constructing one kind and be based on
The intelligent home control system of Zigbee includes:
Intelligent radio administrative center；
Lighting control module, for carrying out brightness regulation to lamps and lanterns；
Airconditioning control module, for the adjusting to carrying out for warm refrigeration；
Curtain control module, for controlling the folding condition of curtain；
Home theater control module, for controlling the broadcast state and broadcasting content of home theater；
Security protection control module, for the grade for placing deployment to be arranged；
Zigbee transceiver module is separately connected intelligent radio administrative center, lighting control module, airconditioning control module, window
Curtain control module, home theater control module and security protection control module, for realizing intelligent nothing by zigbee communication mode
Wire management center respectively with lighting control module, airconditioning control module, curtain control module, home theater control module and peace
Data communication between anti-control module；
Camera connects intelligent radio administrative center, for acquiring the image in house；
Wireless communication module, for being connect by the way of wireless communication with mobile communication terminal.
In the intelligent home control system of the invention based on Zigbee, the Zigbee transceiver module passes through CC2430
Chip realizes that intelligent radio administrative center is realized by S3C2440 chip based on ARM920T kernel.
Have in the intelligent home control system of the invention based on Zigbee, in the intelligent radio administrative center more
Kind of contextual model, under every kind of contextual model, lighting control module, airconditioning control module, curtain control module, home theater control
Module and security protection control module control the preset state that corresponding equipment is in a kind of respectively, are in which kind of preset state
Update is configured under corresponding contextual model to be connected to intelligent radio administrative center by mobile communication terminal.
In the intelligent home control system of the invention based on Zigbee, pass through the mobile communication terminal and the nothing
The communication of line communication module sends unlatching and pass of the control instruction to the realization of intelligent radio administrative center to lamps and lanterns everywhere in house
Control is closed, in combination with the correlation function of scene control module, realizes that once touching operation can be realized multi-way light scene
Conversion adjusts the brightness of corresponding light in house, to cooperate various contextual models by the dimming function of lighting control module
Setting.
In the intelligent home control system of the invention based on Zigbee, pass through the mobile communication terminal and the nothing
The communication of line communication module can pass through remote real-time monitoring situation within doors on a mobile communication terminal；When owner leaves home or goes home,
It is deployed troops on garrison duty safely by intelligent radio administrative center by the control security protection control module of scenery control and is withdrawn a garrison with safety, or
All predeterminable areas in house are carried out by the control security protection control module of scenery control by intelligent radio administrative center
Deployment carries out safe deployment to specified region, when region inner sensor of deploying troops on garrison duty detects security risk, intelligent radio management
The client that center is installed on the mobile communication terminal, which sends warning notice while controlling security protection control module, issues acousto-optic
Alarm, user need to stop the sound-light alarm of intelligent radio administrative center using pre-set password, if client is not opened
It opens, then sends short message and multimedia message screenshot to phone number bound in the mobile communication terminal, user is notified to log in as early as possible
Alarm is checked or eliminated to client.
In the intelligent home control system of the invention based on Zigbee, the home theater control module is specifically used for
Mobile communication terminal control to audio and video player；Mobile communication terminal starting LAN services link in intelligent radio management
After the heart, home theater control module can automatic surface sweeping currently whether there is audio and video player to link to intelligent radio administrative center, such as
Fruit has, and mobile communication terminal can be connected with audio and video player automatically when starting media control option, to audio-visual broadcasting
The function choosing-item of device carries out mobile communication terminal manipulation, meanwhile, the media resource in mobile communication terminal passes through LAN sharing
To intelligent radio administrative center, to be played in high-definition audio and video player.
It further include socket control module in the intelligent home control system of the invention based on Zigbee, it is described
Zigbee transceiver module is connected between socket control module and intelligent radio administrative center, in intelligent radio administrative center
Socket control instruction control under control socket on-off, socket conducting when, can be other equipment power supply, otherwise can not
For other equipment power supply；Wherein, there are a variety of contextual models, the mobile communication terminal connects in the intelligent radio administrative center
It is connected to the intelligent radio administrative center to be configured contextual model, to preset the socket control instruction of socket or described
Socket control instruction derives from the mobile communication terminal.
In the intelligent home control system of the invention based on Zigbee, curtain control module includes three curtain function
Can: curtain opening, curtain closure and curtain are stopped in the position that user needs；The control of client in mobile communication terminal
Control instruction is sent to intelligent radio administrative center, then intelligent radio administrative center control curtain control module carries out curtain
Control, with following buttons in client: releasing the button including curtain, close push button and pause button；Wherein open
Or closure is that one click movement rear curtain is automatically continuously completed, until curtain is closed completely or fully opens；In stop
A certain position curtain when be connected to open or close order when, still execute to fully opening or closed state.
In the intelligent home control system of the invention based on Zigbee, intelligent radio administrative center is received by Zigbee
Send out module to each control module send data application layer data frame structure be comprising field successively are as follows: header, data
Length, routing address, device type, sub- device number, order data；Wherein, header indicates the beginning of data message frame, and data are long
Degree indicates the byte number of entire data frame, and routing address function is selected routing, based on the different location of network deployment,
The routing for selecting link-quality good carries out the transmission of data packet, and device type represents the type of control module, and sub- device number is intelligence
The address uniquely distributed by equipment in energy house control system, passes through device type field and sub- device number two are believed
Breath, it will be able to determine some equipment in current system；Order data is for encapsulating specific control command.
In the intelligent home control system of the invention based on Zigbee, contextual model includes mode of leaving home and mould of being in
Formula；The mobile communication terminal is equipped with client, and client can obtain at regular intervals determines in the mobile communication terminal
The location information of position device positioning, and location information and the location information of preset family are compared, if the two is consistent, it is judged as
Otherwise home mode is the mode of leaving home, the mobile communication terminal sends contextual model selection instruction according to comparing result and controls
Intelligent radio administrative center is in corresponding contextual model, and subsequent not retransmit new transmission contextual model selection instruction straight
To when judging that contextual model sends change according to the comparison.
Implement the intelligent home control system of the invention based on Zigbee, has the advantages that the present invention has
Multiple control modules, control function is complete, and the present invention is provided with multiple contextual models in intelligent radio administrative center, uses
It is convenient and efficient, as soon as a contextual model only need to be selected, it can control multiple smart homes simultaneously.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the schematic diagram of one embodiment of intelligent home control system based on Zigbee；
Fig. 2 is action diagram of the JNI in Android hierarchical structure；
Fig. 3 is the data structure diagram that JNINativeMethod list item records function name and function pointer in JNI；
Fig. 4 is the partial code figure that SerialPort.java file is created and write under src catalogue；
Fig. 5 is the partial code figure that concrete mode is encapsulated in loaded library；
Fig. 6 is that mobile communication terminal receives intelligent radio administrative center messaging protocol parsing schematic diagram.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
It is the schematic diagram of one embodiment of intelligent home control system based on Zigbee with reference to Fig. 1, Fig. 1.In the present embodiment
In, being somebody's turn to do the intelligent home control system based on Zigbee includes:
Intelligent radio administrative center；Intelligent radio administrative center is realized by S3C2440 chip based on ARM920T kernel；
Lighting control module, for carrying out brightness regulation to lamps and lanterns；
Airconditioning control module, for the adjusting to carrying out for warm refrigeration；
Curtain control module, for controlling the folding condition of curtain；
Home theater control module, for controlling the broadcast state and broadcasting content of home theater；
Security protection control module, for the grade for placing deployment to be arranged；
Zigbee transceiver module is separately connected intelligent radio administrative center, lighting control module, airconditioning control module, window
Curtain control module, home theater control module and security protection control module, for realizing intelligent nothing by zigbee communication mode
Wire management center respectively with lighting control module, airconditioning control module, curtain control module, home theater control module and peace
Data communication between anti-control module；Zigbee transceiver module is realized by CC2430 chip；
Camera connects intelligent radio administrative center, and for acquiring the image in house, the image of acquisition can be by following
Wireless communication module is sent to mobile communication terminal, and user can check house by the client installed in mobile communication terminal
Interior image；
Wireless communication module, for being connect by the way of wireless communication with mobile communication terminal.
There are a variety of contextual models, under every kind of contextual model, lighting control module, air-conditioning control in intelligent radio administrative center
Molding block, curtain control module, home theater control module and security protection control module control corresponding equipment respectively and are in one
The preset state of kind is to be connected to intelligent radio administrative center right by mobile communication terminal in which kind of preset state
Update is configured under the contextual model answered.
It is communicated by the mobile communication terminal with the wireless communication module, sends control instruction to intelligent radio management
Center realizes that the open and close to lamps and lanterns everywhere in house control, real in combination with the correlation function of scene control module
Now once touching operation can be realized the conversion of multi-way light scene, by the dimming function of lighting control module, adjust house
The brightness of interior corresponding light, so that various contextual models be cooperated to be arranged.
It is communicated by the mobile communication terminal with the wireless communication module, it on a mobile communication terminal can be by long-range
Monitor situation within doors in real time；When owner leaves home or goes home, pacified by intelligent radio administrative center by the control of scenery control
Anti- control module is withdrawn a garrison to be deployed troops on garrison duty safely with safety, or is pacified by intelligent radio administrative center by the control of scenery control
Anti- control module carries out deployment to all predeterminable areas in house or carries out safe deployment to specified region, in deployment region
When sensor detects security risk, the client that intelligent radio administrative center installs on the mobile communication terminal sends police
It accuses notice while controlling security protection control module and issue sound-light alarm, user need to stop intelligent radio using pre-set password
The sound-light alarm of administrative center is sent if client is not opened to phone number bound in the mobile communication terminal
Short message and multimedia message screenshot notify user to log in client as early as possible and check or eliminate alarm.
The home theater control module is specifically used for controlling the mobile communication terminal of audio and video player；Mobile communication is whole
End starting LAN services link to intelligent radio administrative center after, home theater control module can automatic surface sweeping currently whether have
Audio and video player links to intelligent radio administrative center, if so, mobile communication terminal is when starting media control option
It can be connected automatically with audio and video player, mobile communication terminal manipulation is carried out to the function choosing-item of audio and video player, meanwhile, it is mobile
Media resource in communication terminal passes through LAN sharing to intelligent radio administrative center, to broadcast in high-definition audio and video player
It puts.
It further include socket control module in the intelligent home control system of the invention based on Zigbee, it is described
Zigbee transceiver module is connected between socket control module and intelligent radio administrative center, in intelligent radio administrative center
Socket control instruction control under control socket on-off, socket conducting when, can be other equipment power supply, otherwise can not
For other equipment power supply；Wherein, there are a variety of contextual models, the mobile communication terminal connects in the intelligent radio administrative center
It is connected to the intelligent radio administrative center to be configured contextual model, to preset the socket control instruction of socket or described
Socket control instruction derives from the mobile communication terminal.
Curtain control module includes three curtain functions: curtain opening, curtain closure and curtain are in the position that user needs
Set stop；The control of client in mobile communication terminal is sent to control instruction to intelligent radio administrative center, then intelligence
Wireless management center controls the control that curtain control module carries out curtain, has following buttons: opening including curtain in client
Open button, close push button and pause button；Wherein closure or openness are that one click movement rear curtain is automatically continuously completed,
Until curtain is closed completely or fully opens；In rest on the curtain of a certain position when be connected to open or close order when, according to
It so executes to fully opening or closed state.
Contextual model includes leave home mode and home mode；The mobile communication terminal is equipped with client, and client can be every
Every certain time obtain the positioning device in the mobile communication terminal positioning location information, and location information with it is preset
The location information comparison of family, if the two is consistent, is judged as home mode, is otherwise the mode of leaving home, the mobile communication terminal
Contextual model selection instruction control intelligent radio administrative center, which is sent, according to comparing result is in corresponding contextual model, and after
It is continuous not retransmit new transmission contextual model selection instruction until when judging that contextual model sends change according to the comparison.
The transmission format protocol of wireless management terminal
In current smart home various product and system, agreement majority used by network communication part is TCP and UDP.
However, TCP and UDP be it is distinguishing, TCP has lasting connection attribute, and UDP does not have connection attribute then, meanwhile, UDP
It is a kind of insecure transport protocol.But UDP has the fast feature of transmission speed, and TCP removes the category for having persistence connection
Outside property, also has the characteristic based on data stream transmitting.Studies have shown that for each control module involved in smart home,
Using ZigBee technology progress information transmission is small with data volume, transmission information is short, use and transmits data volume minority according to reliably
Property require low factor, therefore, udp protocol will be more suitable for as logical based on mobile communication terminal intelligent home control system
Believe agreement.
Although the development speed of current smart home is very fast, unified data transmission standard is not formed always.It is each
Product and system carry out the customed of communication protocol all because of the different function demand of respective system.Applying ZigBee technology
When being communicated, as the following table 1 is intelligent radio administrative center to each control module send data application layer data frame knot
Structure.Their each fields are described as follows.
1 intelligent radio management center application layer data frame structure of table
Header: being fixed as two byte of 0x66 and 0xAD, indicates the beginning of data message frame；
Data length: indicating the byte number of entire data frame, to order data section the last byte since header 0x
Summation；
Routing address: major function is to be selected routing (to need when placing signal repeater, be otherwise intelligent nothing
Wire management center), based on the different location of network deployment, the routing for selecting link-quality good carries out the transmission of data packet；
Device type: representing the type of control module, such as 0xF4, indicates intelligent curtain control module；
Sub- device number: this field is by intelligent home control system being uniquely address that equipment is distributed, as long as tool
For two information of device type field and sub- device number, we just can determine some equipment in current system.(such as:
Order data is sent to bedroom curtain controller XX corresponding to curtain control module 0xF4), it is effectively accurate convenient for control information
Control correlation module and equipment；
Order data: encapsulating specific control command, convey the correspondence controlling terminal of corresponding control module receive data it
After need to carry out which operation.
It is transmitted based on JNI mobile communication terminal and Zigbee module (transceiver module) data
Mobile communication terminal device based on android system uses Java language for the exploitation of application layer, and it is counted
Belong to the bottom of system according to layer and logical layer, identical as the Linux kernel heart, core code is C language.This relates to bilingual
Complete the interaction problems of identical function module.Code corresponding to user's operation is realized by Java language, and is completed corresponding
Data transfer activity caused by function, which then needs to be converted into C language, to be operated.Conversely, when received data information needs
When showing on interface, data code needs to be converted to Java code by C language code.Therefore, Java language and C language to be solved
Data transmission problems, it is necessary to use JNI technology.
JNI full name is Java Native Interface, mainly realizes the function that Java is locally called.JNI technology is good
Good realizes Java to the interaction problems of other language calls, is able to carry out the flexible calling of such as C, C++ Native language.
Meanwhile the C that can also make of JNI technology or C Plus Plus is formed by class libraries to Java language or function is called.JNI exists
Effect in Android hierarchical structure is as shown in Figure 2.
There are mainly two types of for the usage mode of JNI technology: mode one, loads JNI library；Mode two registers JNI function.
The detailed process of mode one is as follows:
(1) JNI layers of dynamic base load are completed by System.loadLibrary (xxx_jni)；
(2) system executes the current command, and makes expansion modification to library name automatically；
(3) when loading JNI layers of dynamic base, relevant specific function --- JNI_ in system meeting auto-call library
OnLoader()。
Mode two, i.e. registration JNI function, find the function name of required Native level by two ways；One kind is
Using the Javah tool of Java, Java file is compiled as .class class library files by addressee, by .class class library files
Analysis generates .h file, and .h file just includes the objective function name converted.Second, JNINativeMethod list item in JNI
Function name and function pointer are recorded, specific data structure is as shown in Figure 3:
Wherein:
(1) function name of Name:Java；
(2) Signature: the parameter and return value of function；
(3) fnPtr: the pointer of record Native layer functions.
The communication protocol design of mobile communication terminal intelligent radio administrative center therewith
Mobile communication terminal sends corresponding letter to intelligent radio administrative center immediately after being proved to be successful login
The main contents of breath, information are bind request, and information format is as shown in table 2.
2 mobile communication terminal of table requests room information frame format to intelligent radio administrative center
In table 2, frame head is room query mark, and 2529 in ZigBeeID be No. ZigBee of mobile communication terminal.Intelligence
After energy wireless management center receives request, all room informations can be fed back to mobile communication terminal device.Wherein, it specifically returns
The type of the frame returned is 0x21.Mobile communication terminal, while can be to intelligent nothing in addition to it can select corresponding room
The room that user is registered in wire management center, after user selectes room, mobile communication terminal is sent out to intelligent radio administrative center
The related registration information of equipment is sent to request, request format is as shown in table 3.
3 mobile communication terminal of table requests registration facility information frame format to intelligent radio administrative center
The association requests that frame head 0x04 representative mobile communication terminal shown in table 3 is sent to intelligent radio administrative center are note
Volume solicited message, the content for including in the frame originating point information of return are 0x05.Intelligent radio administrative center receives mobile communication end
After holding the solicited message sended over, two motion flows will be executed:
1) transmission request currently will be returned in the relevant information of all devices of intelligent radio administrative center registration
Mobile communication terminal device；
2) according to the content of return, home equipment included in content is shown in corresponding mobile communication terminal user
On interactive interface.
The fitment being shown on corresponding mobile communication terminal interactive interface all has two kinds of selection form, point
It Wei not home equipment configuration and home equipment control.The command format of home equipment control is as shown in table 4.
4 mobile communication terminal of table controls information frame format to intelligent radio administrative center sending device
Intelligent radio administrative center is packaged after receiving above data, forms the data lattice as shown in table 4-4
Formula is accurately sent to equipment belonging to corresponding control module, completes mobile communication terminal to the control flow of home equipment.
In table 4,0x06 representative controls a certain household equipment.When intelligent radio administrative center receives what mobile communication terminal was sent
After controlling information request, relevant device of control can be requested to execute corresponding control action it, after executing control action, meeting
The status information of current device is obtained, and is back to corresponding mobile communication terminal device, is shown to user.At this point, transmitted
Status information frame head be 0x07.
Mobile communication terminal is supplied to two kinds of configuration selections of user in terms of the configuration towards the home equipment bound
Mode is respectively as follows: pattern configurations and room configuration, and the specific format of configuration order is as shown in table 5 and table 6.
5 mobile communication terminal of table is to intelligent radio administrative center sending device room configuration information frame format
6 mobile communication terminal of table is to intelligent radio administrative center sending device pattern configurations information frame format
In table 5, the configuration information in room where 0x08 describes current device, corresponding is specific room number
Code.In table 6, first frame position data 0x10 represents the current configuration mode of relevant device, this value will be configured to correspondence
Identifier mode under.It, can be to wireless end after intelligent radio administrative center receives the configuration request of mobile communication terminal
End sends room configuration information and pattern configurations information, information frame head are respectively 0x09 and 0x11.Pass through side described above
Formula may be implemented according to room configuration and pattern configurations, by mobile communication terminal to corresponding room and equipment wherein included
It is controlled accordingly.The related data in the room from mobile communication terminal to intelligent radio administrative center and scheme control that are sent from
The format of information is as shown in table 7 and table 8.
7 mobile communication terminal of table sends room to intelligent radio administrative center and controls information frame format
8 mobile communication terminal of table controls information frame format to intelligent radio administrative center sending mode
In table 7,0x12, which represents, controls all devices in corresponding group of associated room number, reaches and matches in advance
The kilter set.0x14 shown in table 8, representative control all devices inside group corresponding to associative mode number,
Reach preconfigured kilter.By the above-mentioned means, disposably achieving the effect that Context-Aware Services.Intelligent radio
After administrative center receives these information, all home equipments under associated room or mode will be controlled accordingly, to make
These equipment are obtained to achieve the effect that meet the requirements.In addition, intelligent radio administrative center can will own under associated room or mode
For the status information feedback of home equipment to mobile communication terminal, corresponding information frame head is 0x13 and 0x15.
The Design of Serial Communication of mobile communication terminal and Zigbee module
In terms of data communication, more common communication mechanism is the communication of serial mode.And the data of ZigBee module are logical
Also it is serial port used by letter mechanism, is accessed using C language.However, the Android of mobile communication terminal
The realization program of platform application layer is generally adopted by Java language, at this point, program is directly to carry out to corresponding hardware
Operation.Here, it is necessary to can realize the operation to hardware by means of JNI.The presence of NDK provides understanding for this problem
Certainly scheme.NDK, full name are Native Development Kit, i.e. ecosystem development kit, are issued by Google Android
, C language may be implemented, the serial ports of Java language is called, vice versa, to realize so-called serial communication.Serial ports is logical
Shown in believing that specific step is as follows:
(1) JNI Interface design realizes Native method using C language；
(2) corresponding dynamic link library is generated；
(3) dynamic link library generated is stored in Android engineering；
(4) it compiles and runs engineering Android and generate .apk file.
It should be noted that needing to complete AndroidNDK exploitation before carrying out the corresponding exploitation of serial data transmission
Environment is built；Then, it needs to create corresponding Development Engineering under the exploitation environment and can realize corresponding function.Make
After creating an Android engineering with Android NDK, it can divide comprising the file directory of two generations under engineering catalogue file
Not are as follows: jni catalogue and src catalogue, wherein jni catalogue is for storing the relevant file of C language；And src catalogue then contains need
The Java language associated documents in the C language library to be called.
It realizes that JNI interface calls, needs to create and write under src catalogue SerialPort.java file, crucial generation
Code Fig. 4.
Wherein, C language dynamic base is loaded by System.loadLibrary (" serial_port ")；All marks
The method for having native keyword is nation method；Concrete mode is encapsulated in loaded library.The stream that code specifically executes
Journey is as follows:
1) this document will automatically generate corresponding to .class file after saving in Eclipse；
2) by executing javah-classpath.-jni com.home.SerialPort order .class file is compiled
It is translated into C header file.
3) C file com_home_SerialPort.c of the same name is created, in this document, realizes corresponding header file
All statements and function.
4) Android.mk file is created under jni catalogue, i.e. the Makefile file of local c program, file is mainly interior
Hold such as Fig. 5.
On the basis of the above, libjni.so dynamic library file is generated by executing ndk-build order.Executing life
Before order, need to store com_home_SerialPort.c and com_home_SerialPort.h file to specified directory
(JNI) in catalogue；Then the library file of generation is placed into the correspondence catalogue of Android engineering, by Android engineering text
Part is parsed, and corresponding apk file is generated.It realizes that the local of JNI calls, needs two above file to cooperate jointly, will give birth to
At dynamic library file and apk file simultaneously be installed in Android platform, application serial communication can be realized.
During actual realization, user's interactive mode of serial communication is realized by button, after trigger button,
Corresponding order is sent to serial ports, the serial communication with ZigBee can be completed.
Next, will illustrate how mobile communication terminal parses its information received from intelligent radio administrative center herein.
Its specific parsing schematic diagram is as shown in Figure 6.
It will be appreciated from fig. 6 that mobile communication terminal will receive 7 kinds of information.After mobile communication terminal receives these information, it is necessary to
These information are parsed, before parsing, need to judge the frame head of information.Frame head is 0x21, shows that information is intelligent radio
The response that administrative center requests mobile communication terminal about room unit registration information.At this time, it may be necessary to based on room request letter
The frame format of breath is parsed.Room frame format is as shown in table 9.
The received room information frame format of 9 mobile communication terminal of table
Information frame head be 0x05 information, show information be intelligent radio administrative center send about all home equipments
Registration information.At this time, it may be necessary to which the frame format based on facility registration information parses these information, the frame format of facility information such as table
Shown in 10.Mobile communication terminal can parse and obtain device name according to received facility registration information frame format, will be specific
Facility information shown by user interface.
The received facility information frame format of 10 mobile terminal of table
Information frame head is 0x07, and representative has the transmission of intelligent radio administrative center, and characterization information is in the data of equipment state
Hold；At this point, system can parse currently received message according to the frame format of the agreement of device status information defined.Equipment shape
The frame format of state information is as shown in table 11.Mobile communication terminal parses the current state information of relevant device according to the format,
And it will be shown on the interface of mobile communication terminal.
The received device status information frame format of 11 mobile communication terminal of table
Certainly, information frame head be 0x10 and 0x11, show information be intelligent radio administrative center send about room
The information of configuration and the information of pattern configurations.At this point, system needs to configure according to the room in intelligent radio administrative center and mould
Formula configuration data frame format is parsed, their frame format structure such as table 12
Shown in 13.After the parsing of above-mentioned frame format, mobile communication terminal can show the configuration of relevant room and
Pattern configurations information.
The received room configuration information frame format of 12 mobile communication terminal of table
The received pattern configurations information frame format of 13 mobile communication terminal of table
Similarly, information frame head is 0x13 and 0x15, and representing the information has the transmission of intelligent radio administrative center, and
The content of transmission is the related data of room information.At this point, needing after system receives the information according to intelligent radio
Room state and room mode data frame table in administrative center are parsed, corresponding frame format such as 14 He of table
15
It is shown.After the parsing of these frame formats, the related status information and pattern information in room will be shown in movement
It is logical
Believe in terminal.
The received room status information frame format of 14 mobile communication terminal of table
The received mode state information frame format of 15 mobile communication terminal of table
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of intelligent home control system based on Zigbee, characterized by comprising:
Intelligent radio administrative center；
Lighting control module, for carrying out brightness regulation to lamps and lanterns；
Airconditioning control module, for the adjusting to carrying out for warm refrigeration；
Curtain control module, for controlling the folding condition of curtain；
Home theater control module, for controlling the broadcast state and broadcasting content of home theater；
Security protection control module, for the grade for placing deployment to be arranged；
Zigbee transceiver module is separately connected intelligent radio administrative center, lighting control module, airconditioning control module, curtain control
Molding block, home theater control module and security protection control module, for realizing intelligent radio pipe by zigbee communication mode
Reason center respectively with lighting control module, airconditioning control module, curtain control module, home theater control module and security protection control
Data communication between molding block；
Camera connects intelligent radio administrative center, for acquiring the image in house；
Wireless communication module, for being connect by the way of wireless communication with mobile communication terminal.
2. the intelligent home control system according to claim 1 based on Zigbee, which is characterized in that the Zigbee is received
Hair module realizes that intelligent radio administrative center is realized by S3C2440 chip based on ARM920T kernel by CC2430 chip.
3. the intelligent home control system according to claim 1 based on Zigbee, which is characterized in that the intelligent radio
There are a variety of contextual models in administrative center, under every kind of contextual model, lighting control module, airconditioning control module, curtain control
Module, home theater control module and security protection control module control the preset state that corresponding equipment is in a kind of respectively,
It which kind of preset state to be that intelligent radio administrative center is connected under corresponding contextual model by mobile communication terminal in
It is configured update.
4. the intelligent home control system according to claim 1 based on Zigbee, which is characterized in that pass through the movement
Communication terminal is communicated with the wireless communication module, is sent control instruction and is realized to intelligent radio administrative center to each in house
Locate the open and close control of lamps and lanterns, in combination with the correlation function of scene control module, realization once touches operation can be real
The conversion of existing multi-way light scene adjusts the brightness of corresponding light in house by the dimming function of lighting control module, thus
Various contextual models are cooperated to be arranged.
5. the intelligent home control system according to claim 1 based on Zigbee, which is characterized in that pass through the movement
Communication terminal is communicated with the wireless communication module, can pass through remote real-time monitoring situation within doors on a mobile communication terminal；?
When owner leaves home or goes home, safety is carried out by the control security protection control module of scenery control by intelligent radio administrative center
Deployment is withdrawn a garrison with safety, or passes through the control security protection control module of scenery control in house by intelligent radio administrative center
All predeterminable areas carry out deployment or carry out safe deployment to specified region, detect security risk in deployment region inner sensor
When, the client that intelligent radio administrative center installs on the mobile communication terminal sends warning notice while controlling security protection control
Molding block issues sound-light alarm, and user need to stop the sound-light alarm of intelligent radio administrative center using pre-set password,
If client is not opened, short message and multimedia message screenshot are sent to phone number bound in the mobile communication terminal, is led to
Know that user logs in client as early as possible and checks or eliminate alarm.
6. the intelligent home control system according to claim 1 based on Zigbee, which is characterized in that the home theater
Control module is specifically used for controlling the mobile communication terminal of audio and video player；Mobile communication terminal starts LAN services link
To intelligent radio administrative center, home theater control module can automatic surface sweeping currently whether there is audio and video player to link to intelligence
Wireless management center, if so, mobile communication terminal start media control option when can automatically with audio and video player phase
Connection carries out mobile communication terminal manipulation to the function choosing-item of audio and video player, meanwhile, the media resource in mobile communication terminal
By LAN sharing to intelligent radio administrative center, to be played in high-definition audio and video player.
7. the intelligent home control system according to claim 1 based on Zigbee, which is characterized in that further include socket control
Molding block, the Zigbee transceiver module are connected between socket control module and intelligent radio administrative center, in intelligence
The on-off that socket is controlled under the control of the socket control instruction at wireless management center can be other equipment in socket conducting
Otherwise power supply can not power for other equipment；Wherein, there are a variety of contextual models in the intelligent radio administrative center, it is described
Mobile communication terminal is connected to the intelligent radio administrative center and is configured to contextual model, to preset the socket control of socket
Instruction or the socket control instruction derive from the mobile communication terminal.
8. the intelligent home control system according to claim 1 based on Zigbee, which is characterized in that curtain control module
Include three curtain functions: curtain opening, curtain closure and curtain are stopped in the position that user needs；In mobile communication terminal
The control of client be sent to control instruction to intelligent radio administrative center, then intelligent radio administrative center controls curtain control
Molding block carries out the control of curtain, with following buttons in client: releasing the button including curtain, close push button and pause
Button；Wherein closure or openness are that one click movement rear curtain is automatically continuously completed, until curtain is closed completely or completely
It opens；In rest on the curtain of a certain position when be connected to open or close order when, still execute to fully opening or be closed
State.
9. the intelligent home control system according to claim 1 based on Zigbee, which is characterized in that intelligent radio management
Center by Zigbee transceiver module to each control module send data application layer data frame structure be comprising field
Successively are as follows: header, data length, routing address, device type, sub- device number, order data；Wherein, header indicates datagram
The beginning of literary frame, data length indicate the byte number of entire data frame, and routing address function is selected routing, are based on net
The different location of network deployment, the routing for selecting link-quality good carry out the transmission of data packet, and device type represents control module
Type, sub- device number pass through device type field by intelligent home control system being uniquely address that equipment is distributed
With two information of sub- device number, it will be able to determine some equipment in current system；Order data is for encapsulating specific control
System order.
10. the intelligent home control system according to claim 3 based on Zigbee, which is characterized in that contextual model packet
Include the mode of leaving home and home mode；The mobile communication terminal is equipped with client, and client can obtain described at regular intervals
The location information of positioning device positioning in mobile communication terminal, and location information and the location information of preset family are compared,
If the two is consistent, it is judged as home mode, is otherwise the mode of leaving home, the mobile communication terminal sends feelings according to comparing result
Scape mode selection command control intelligent radio administrative center is in corresponding contextual model, and subsequent does not retransmit new transmission
Contextual model selection instruction is until when judging that contextual model sends change according to the comparison.
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