CN104331053A - 6LoWPAN smart home system and method for achieving same - Google Patents
6LoWPAN smart home system and method for achieving same Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 claims description 30
- 239000000779 smoke Substances 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 11
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 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
- 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]
- G05B19/4185—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] characterised by the network communication
- G05B19/4186—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] characterised by the network communication by protocol, e.g. MAP, TOP
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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
- 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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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a 6LoWPAN smart home system and a method for achieving the same. The system comprises a USB embedded gateway, a plurality of bottom units communicating with the USB embedded gateway through a 6LoWPAN network and a control terminal communicating with the USB embedded gateway in a wired or wireless way. The USB embedded gateway receives data information from the bottom units and uploads the data information to the remote control terminal and receives control information of the remote control terminal and issues the control information to the corresponding bottom units to perform remote control. The communication protocol among the bottom devices, the USB embedded gateway and the remote control terminal is that the uploaded data frame format is divided into three classes: sensor alarm data frames, energy consumption data frames and control feedback data frames, and the issued data frame format is control data frames. The system is simple in structure, high in compatibility, convenient to use, low in cost and easy to extend.
Description
Technical field
The invention belongs to Smart Home, be specifically related to a kind of 6LoWPAN intelligent domestic system and its implementation.
Background technology
Along with the widespread use of high-tech and infotech, safe, comfortable, easily living environment be no longer a remote dream.Because intelligent domestic system can provide more light, orderly, efficient modern life environment for people, therefore, intelligent domestic system is the focus that realtor chases.
Smart Home is the core of housing intelligent, and there are three features in the Smart Home market of current China:
(1) market potential is large, and the development of present real estate in the whole nation is all very fiery, and as its downstream industry, Smart Home market outlook are still very optimistic;
(2) product is many, and producer is many, mainly concentrates on the ground such as Shanghai, Beijing, Shenzhen and Guangzhou, but does not up to the present also have one to form scale;
(3) current, country does not also implement unified industry standard to Smart Home industry, and a lot of medium-sized and small enterprises are done things in his own way, carrys out development by oneself to the understanding in market, mutual product does not possess compatibility.
Therefore, be necessary to develop strong, portable high, the compatible good intelligent domestic system of a platform, more meet market specifications on the one hand, facilitate the formulation of industry standard; On the other hand can most of product on compatible market, be more conducive to the development of Smart Home industry.
Contiki be one small-sized, increase income, the multitask computer operating system very easily transplanted, its specialized designs, to be applicable to the network system of a series of memory-limited, comprises the embedded system from 8 computers to microcontroller.Its name comes from the Kandy base number of Bristol Heyerdahl.Contiki only needs the internal memory of the code of several kilobyte and hundreds of byte that multitask environment and built-in TCP/IP just can be provided to support.Now support the kinds of platform such as CC253x, STM32, MSP430, ARM, AVR, PIC12, x86, and integrated 6LoWPAN (IPV6) protocol stack, realize the communication modes such as UDP, the HTTP under 6LoWPAN network.
In the epoch of this infotech develop rapidly, computer network communication is self-evident as its status of informationalized foundation stone.But at present computer network use remain IPV4 Internet protocol, the network address that this agreement provides is particularly deficient, therefore the universal of IPV6 procotol is inexorable trend.6LoWPAN as the application of IPV6 technology on sensor network, can with the IPV6 seamless combination of computer network, computer network and Sensor Network are combined together, realize real Internet of Things.
As: publication number is that CN 103176467 A discloses a kind of intelligent domestic system based on 6LoWPAN technology and the UDP packet sending and receiving method based on 6LoWPAN technology, its bag monitor terminal, the star-like communication network of 6LoWPAN and system server three part.Described monitor terminal comprises with the ATmega128 single-chip microcomputer of JTAG debugging interface, several sensors, power circuit, clock circuit, LCD liquid crystal display, RFID radio-frequency (RF) identification subsystem and electric equipment control subsystem.Described monitor terminal transfers data to the system server based on ARM9 by 6LoWPAN node, Centroid, and is issued by embedded Web Server, mobile phone, apparatus such as computer just can remote access to this system.There are the following problems for this system:
(1) be only applicable in IPv6 internet, be not suitable in the internet of current IPv4, for now do not there is universal meaning;
(2) function of monitor terminal very little, and can not according to the feature reasonable arrangement corresponding function of not chummery;
(3) price is too expensive, adopts the high atmega128 of price as monitoring terminal, wastes many hardware resources; Select ARM9 as system server, increase considerably cost especially;
(4) need to rent special domain name, be not suitable for average family and use;
(5) non-designing apparatus Replacing Scheme, once have terminal device to damage must change whole system.
And for example: publication number is that CN 102355390 A discloses a kind of intelligent domestic system, and it comprises server and the intelligent household terminal with browser function.Described Smart Home WEB server is internally connected with each intelligent household terminal by LAN (Local Area Network); Described home furnishings intelligent terminal and at least one control terminal by wired or mode be connected, for completing the information conversion between server and control terminal, and the information after conversion is sent to described Smart Home WEB server or described control terminal; Described control terminal is directly connected with various home appliance as the actuator of intelligent domestic system, directly controls home appliance; Described intelligent household terminal has fixing IP address; The control terminal unified addressing be connected with intelligent household terminal.But there are the following problems for this system:
(1) this system is the communication construction based on internet, and each controlled device needs to be connected with an internet terminal, its cost intensive, and terminal own hardware requires high, and complexity is also high;
(2) this system needs server providing services, and the cost of server is also Comparatively speaking also be very expensive, is unfavorable for promoting with universal;
(3) stability dependency of this system is in internet and local network stabilization, server needs the environment guarantee long-term stability operation that a temperature is lower and constant, require also higher to home environment, maintenance cost is also high, is unfavorable for that domestic consumer uses;
(4) this system does not carry out specification to internal system communication, also non-docking port carries out specification simultaneously, and what be unfavorable for other equipment is compatible with access, is only limited to the equipment of this system oneself access, therefore this system limitations is higher, and is unfavorable for the formation of industry standard.
Summary of the invention
The object of this invention is to provide a kind of 6LoWPAN intelligent domestic system and its implementation of building simple, compatible strong, easy to use, favorable expandability.
6LoWPAN intelligent domestic system of the present invention, comprise USB embedded gateway, carried out the multiple underlying device communicated respectively with USB embedded gateway by 6LoWPAN network, and by the wired or wireless control terminal carrying out communicating with USB embedded gateway;
Described USB embedded gateway receives from underlying device data message and is uploaded to remote terminal, receives the control information of remote terminal simultaneously and is handed down to corresponding underlying device and carries out Long-distance Control; Communication protocol between each underlying device, USB embedded gateway and remote terminal is, the data frame format uploaded is divided three classes, it is respectively sensor alarm Frame, energy consumption data frame and controls feedback data frame, and issuing data frame format is control data frame;
The form of described sensor alarm Frame is as follows:
The form of described control data frame and control feedback data frame is as follows:
The form of described energy consumption data frame is as follows:
Described underlying device is divided into sensor class and controls class;
The underlying device of described sensor class comprises:
Enviromental monitoring equipment, it at least comprises humiture collection meter, intensity collection device, PM2.5 meter and peculiar smell detector, described humiture collection meter is for monitoring indoor temperature and humidity, described intensity collection device is for monitoring indoor intensity of illumination, described PM2.5 meter is for monitoring indoor PM2.5, and described peculiar smell detector is used for the gas with foreign flavor in sensing chamber;
Safety monitoring panalarm, it at least comprises smoke alarm, methane detector, CO detector, infrared eye and alarm, described smoke alarm is for detecting indoor smog, described methane detector is used for methane in detecting chamber, described CO detector is used for CO in detecting chamber, whether described infrared eye is used for detection has personnel to invade, and described alarm is used for sounding and reports to the police;
The underlying device of described control class comprises:
Managing power consumption equipment, it at least comprises comprehensive energy consumption meter and intelligent switch, described comprehensive energy consumption meter for monitoring the electricity consumption situation of connected home appliance, current/voltage, power, accumulative electricity, CO2 discharge capacity, power, and controls the power supply break-make being connected household electrical appliances with it; Described intelligent switch is for controlling the power supply break-make being connected household electrical appliances with it;
Household electric appliance control equipment, it at least comprises lamp dimmer, fan governor and curtain controller, described lamp dimmer is used for controlling connected light fixture, described fan governor is used for controlling connected exhaust fan, and described curtain controller is used for controlling connected curtain.
Described USB embedded gateway comprises the first main control module, the the first bottom-layer network module be connected with the first main control module, the WiFi module be connected with the first main control module, the USB modular converter be connected with the first main control module, the UART interface be connected with the first main control module, and respectively with the first power module of the first main control module, the first bottom-layer network model calling;
Described underlying device comprises the second main control module, the second bottom-layer network module be connected with the second main control module, and respectively with the second source module of the second main control module, the second bottom-layer network model calling.
Described first main control module is STM32F103 module.
Described first bottom-layer network module and the second bottom-layer network module all adopt CC2530 module; Described second main control module adopts ATMEGA8A module.
Described control terminal is mobile phone, or is computer, and described computer is connected with USB embedded gateway by USB interface, and described mobile phone is connected with USB embedded gateway by WIFI module.
The 6LoWPAN short address of USB embedded gateway is all stored in the EEPROM of the second main control module by described underlying device, is loaded in program, completes netinit when program initialization by address; USB embedded gateway can pass through intended gateway address in the EEPROM of UART interface or 6LoWPAN network configuration second main control module in the configuration mode, completes network construction or equipment replacement.
The implementation method of 6LoWPAN Smart Home of the present invention, adopts the 6LoWPAN intelligent domestic system as described in claim 1 to 7, comprises the following steps:
WiFi network environment is provided in step 1, home environment, USB embedded gateway is connected on computer by USB interface, carry hyper terminal by supporting embedded gateway configuration software or system and be connected to indoor WiFi, and feed back self IP address and port is presented on computer software or in hyper terminal;
Step 2, open after cell phone software logs in, be connected to the USB embedded gateway in family, after successful connection, used each underlying device is connected to USB embedded gateway by UART interface one by one, the room of this underlying device, equipment of itself type and embedded gateway address is configured by cell phone software or computer software, these configuration informations can be stored in the EEPROM of the second main control module by underlying device after configuration automatically, can preserve after power down;
The data that step 3, underlying device collect are uploaded to USB embedded gateway through 6LoWPAN network, and USB embedded gateway is uploaded to the control terminal established a connection with it through WiFi or USB interface; Control information is sent to USB embedded gateway by WiFi by control terminal, and control information is handed down to corresponding underlying device by 6LoWPAN network by USB embedded gateway, and underlying device performs corresponding operating.
In described step 2, after underlying device completes configuration, the state of self can be uploaded to USB embedded gateway by 6LoWPAN network by underlying device, USB embedded gateway can record the type of address in its 6LoWPAN network and underlying device, and is stored in the FLASH of the first main control module.
In described step 3, the steering order that mobile terminal issues is after the packet formed by described communication protocol issues USB embedded gateway, USB embedded gateway can find the 6LoWPAN address of corresponding device according to these information, then using the 6LoWPAN address of control information bag and target device by being launched as 6LoWPAN network packet by signal after 6LoWPAN network encapsulation, after target functional device receives 6LoWPAN network packet, judge whether the destination address in network packet is Self address, if not, then this network packet is abandoned, if, then this network packet is extracted after 6LoWPAN procotol is successively resolved valid data packet portion and submit to application layer program, application layer program carries out parsing verification according to described communication protocol again, verify by after operate according to the control bit data in packet.
The present invention has the following advantages:
(1) The present invention gives whole system and run necessary communication protocol, and give detailed data frame format, this communication protocol can be applicable to communicate between 6LoWPAN, TCP/IP, serial ports, have close efficient, transmission is efficient, it is efficient to resolve and extendability is strong.
(2) this system does not have independent server, simplifies framework, has saved cost.
(3) ATmega8A that all node employing power consumption, volume and price are lower is as master control, and adopt SMT32 as gateway master control, cost is very low.
(4) wireless smoke fog siren, wireless methane detector, wireless CO (carbon monoxide) detector, wireless alarm, wireless humiture collection meter, wireless fan controller, wireless lamp light controller etc. are arranged on kitchen, can real-time detection smoke condition, methane natural gas leakage situation, carbon monoxide content, humiture situation etc., once detect a large amount of smog, the one of the situation such as methane leakage, carbon monoxide content exceed standard, just take corresponding the tinkle of bells to report to the police by wireless alarm, and open vent fan by fan governor; If detect temperature over range also carry out corresponding the tinkle of bells warning, user is warned; Meanwhile, the headlamp switch etc. in kitchen can also be controlled.
(5) wireless humiture collection meter, wireless light intensity collector, wireless PM2.5 meter, wireless smoke fog siren, Radio infrared detector, wireless curtain controller, wireless fan controller, wireless lamp light controller etc. are arranged on bedroom, can be used for the environmental information such as temperature, humidity, illumination, PM2.5 index of monitoring bedroom, for passing judgment on residence comfort and the air health index in bedroom; Also can monitor the information such as bedroom fire and personnel's invasion; Meanwhile, can also control the Curtain switch in bedroom, fan swicth and, headlamp switch etc.
(6) wireless humiture collection meter, wireless light intensity collector, wireless PM2.5 meter, wireless composite energy consumption meter, wireless lamp light controller, wireless smoke fog siren etc. are arranged on parlor, can be used for the environmental information such as temperature, humidity, illumination, PM2.5 index of monitoring parlor, for passing judgment on residence comfort and the air health index in parlor; Also can be used for electricity consumption condition monitoring and the equipment management of power use of the electric equipments such as air-conditioning, refrigerator, TV; The information such as parlor fire can be monitored; Meanwhile, the switch of the equipment such as light, fan can also be controlled.
(7) by wireless humiture collection meter, wireless peculiar smell detector, wireless smoke detector, wireless lamp light controller, wireless fan controller etc., the information such as detectable temperature, humidity, peculiar smell, smog, meanwhile, vent fan can be opened according to peculiar smell or humidity detection event; Also the switch conditions of light can be controlled.
(8) USB embedded gateway not only can control and obtain the information of all devices, the internet communication that simultaneously can also build on the remote equipment such as mobile phone, panel computer connects, realize the remote equipments such as mobile phone and can obtain facility informations such as being arranged on each room sensor, alarm, also the equipment such as the lamp dimmer in each room, curtain controller, comprehensive energy consumption meter be can control, remote inquiry, Long-distance Control and remote alarms realized.
(9) USB embedded gateway can in conjunction with the establishment of computer software finishing equipment layer communication network (6LoWPAN) and the foundation communicated to connect with remote network equipments such as mobile phones, impel the interconnecting between remote equipment and underlying device such as mobile phone, once abnormal, all right Real-time Obtaining underlying device running status and network connection state with it simultaneously, can notify that mobile phone terminal carries out checking and equipment replacement.
(10) need to change or have new research and development equipment to need to access bottom-layer network if discovering device damages, only need the equipment that will access to be connected to embedded gateway by UART connecting line, mobile phone just can complete configuration, thus realize the access of new equipment.
Accompanying drawing explanation
Fig. 1 is system architecture diagram of the present invention;
Fig. 2 is the circuit structure block diagram of USB embedded gateway in the present invention;
Fig. 3 is the circuit structure block diagram of sensor class equipment in the present invention;
Fig. 4 is the circuit structure block diagram of middle controller kind equipment of the present invention;
Fig. 5 is the circuit diagram of the first main control module of USB embedded gateway in the present invention;
Fig. 6 is the circuit diagram of the first power module of USB embedded gateway in the present invention;
Fig. 7 is the circuit diagram of the USB modular converter of USB embedded gateway in the present invention;
Fig. 8 is the circuit diagram of the WiFi module of USB embedded gateway in the present invention;
Fig. 9 is the circuit diagram of the first bottom-layer network module of USB embedded gateway in the present invention;
Figure 10 is the circuit diagram of the UART interface of USB embedded gateway in the present invention;
Figure 11 is the circuit diagram of the second master control of underlying device base plate of the present invention;
Figure 12 is the circuit diagram of the second bottom-layer network module of underlying device base plate of the present invention;
Figure 13 is the circuit diagram of the second source module of underlying device base plate of the present invention;
Figure 14 is new equipment inbound information flow graph of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1,6LoWPAN intelligent domestic system of the present invention, comprise USB embedded gateway 2, carried out the multiple underlying device communicated by 6LoWPAN network respectively with USB embedded gateway 2, and by the wired or wireless control terminal carrying out communicating with USB embedded gateway 2.
Described underlying device comprises:
Enviromental monitoring equipment, it at least comprises humiture collection meter 4, intensity collection device 5, PM2.5 meter 6 and peculiar smell detector 7, described humiture collection meter 4 is for monitoring indoor temperature and humidity, described intensity collection device 5 is for monitoring indoor intensity of illumination, described PM2.5 meter 6 is for monitoring indoor PM2.5, and described peculiar smell detector 7 is for the gas with foreign flavor in sensing chamber.
Managing power consumption equipment, it at least comprises comprehensive energy consumption meter 8 and intelligent switch 9, described comprehensive energy consumption meter 8 for monitoring the electricity consumption situation of connected home appliance, current/voltage, power, accumulative electricity, CO2 discharge capacity, power, and controls the power supply break-make being connected household electrical appliances with it; Described intelligent switch 9 is for controlling the power supply break-make being connected household electrical appliances with it.
Household electric appliance control equipment, it at least comprises lamp dimmer 10, fan governor 12 and curtain controller 11, described lamp dimmer 10 is for controlling connected light fixture, described fan governor 12 is for controlling connected exhaust fan, and described curtain controller 11 is for controlling connected curtain.
Safety monitoring panalarm, it at least comprises smoke alarm 13, methane detector 14, CO detector 15, infrared eye 17 and alarm 16, described smoke alarm 13 is for detecting indoor smog, described methane detector 14 is for methane in detecting chamber, described CO detector 15 is for CO in detecting chamber, whether described infrared eye 17 has personnel to invade for detection, and described alarm 16 is reported to the police for sounding.
Described USB embedded gateway 2 receives from underlying device data message and is uploaded to remote terminal, receives the control information of remote terminal simultaneously and is handed down to corresponding underlying device and carries out Long-distance Control; Communication protocol between each underlying device, USB embedded gateway 2 and remote terminal is, the data frame format uploaded is divided three classes, it is respectively sensor alarm Frame, energy consumption data frame and controls feedback data frame, and the data frame format issued is control data frame.
The form of described sensor alarm Frame is as follows:
The form of described control data frame and control feedback data frame is as follows:
The form of described energy consumption data frame is as follows:
Below communication protocol is specifically described:
1, sensor class frame format (14byte)
1.1, prefix (specified data transmission is according to unwrapping head) 0x68.
1.2, data type
A, control class 0xcc; //Control;
B, data class 0xdd; //data;
C, warning message class 0xaa; //warm.
1.3, sensor type
1.4, sensor number (1 data bit).
1.5, sensor address (ipv6 address second half section, 4 data bit).
1.6, sensing data (4 data bit).
1.7, (1 data bit) is verified.
1.8, (0x16) is terminated.
2, warning class data frame format (14byte)
3, class data frame format (10byte) is controlled
3.1, prefix (specified data transmission is according to unwrapping head) 0x68
3.2, data type (D1)
A. class 0xcc is controlled;
3.3 types and room number: controlled electric appliance (D2)
| Title | Controll plant label | Control data and explanation |
| Fan | 0x10 | 0x01/0x00 ON/OFF |
| Curtain | 0x20/0x21 | 0x02/0x01/0x00 is forward/backward/stops |
| Energy consumption meter | 0x30 | 0x02/0x01/0x00 collection/ON/OFF |
| Wireless switching | 0x40/0x41/42 | 0x01/0x00 ON/OFF |
| Lamp | 0x50 | 0x01/0x00 ON/OFF |
3.4, control data (1 data bit) 0x00/0x01
3.5, verification (1 data bit)
3.6, (0x16) is terminated
4, feedback data frame format (10byte)
5, energy consumption meter agreement
1. send (10byte)
See and control class data frame format.
2. receive (30byte)
Energy consumption data data bit (21byte) form is as following table
Analytic method:
Such as, energy consumption data is 78 56 34 12 79 22 81 01 00 15 02 00 51 03 00 12 04 00 21 05 01
Then Data Analysis is:
" 78 56 34 12 " part is electricity, and be inverted by height byte order, result is 123456.78 degree,
" 79 22 " part is voltage, and be inverted by height byte order, result is 227.9 volts;
" 81 01 00 " part is electric current, and be inverted by high low byte, result is 000.181 peace;
" 15 02 00 " part is power, and be inverted by high low byte, result is 00021.5 watt;
" 51 03 00 " part is reactive power, and be inverted by high low byte, result is 00035.1var;
" 12 04 00 " part is applied power, is inverted by high low byte, and result is for being 00041.2VA;
" 21 05 " part is power factor (PF), and be inverted by high low byte, result is 0.521;
Last byte is the on off state of jack, and 01 representation switch is opened, and external equipment can work, and be that 02 interval scale switch cuts out, external equipment quits work without electricity.
6, node destination address (9bit) (be only in wireless network and use, other layers are without rights of using) are revised
7, sensor data acquisition instruction
Sensor type is shown in part 1.
8, room label
| Room | Parlor | Kitchen | Little sleeping | Master bedroom | Study |
| Label | 0x01 | 0x02 | 0x03 | 0x04 | 0x05 |
9, voice packet agreement
Phonetic synthesis command frame example, sending text encoding format is
| 0xFD | 0x00 | 0x0A | 0x01 | 0x01 | 0xbf | 0xc6 | 0xB4 | 0Xf3 |
| 0XD3 | 0x8D |
Data bit is all data after four, upper table the (i.e. 0x01).
This communication protocol has the following advantages:
One, encapsulation is efficient
Because dissimilar node is only responsible for a kind of transmission of Frame, and the data type of each node, sensor type, room number and sensor number have cured in a program when installation, therefore just only assignment need be carried out in sensing data position at every turn, and adopt simple and verify the encapsulation just completing a Frame.
Two, transmission is efficient
It is more than 5 because every data transfer uses CPU number, such as, after the CPU (ATMEGA8) of humiture node collects humiture data, through serial ports, the data frame transfer after encapsulation is given the mixed-media network modules mixed-media CC2530 of this node, through the first bottom-layer network module 20 of 6LoWPAN Internet Transmission to USB embedded gateway 2 after mixed-media network modules mixed-media verification, then be transferred in mobile phone or computer through WIFI module 24 by UART serial ports again by the CPU (i.e. STM32) of UART Serial Port Transmission to USB embedded gateway 2.As can be seen here, one frame data will could arrive target device after so many link, therefore Frame is wanted to be applicable to protocol transmission and the verifications such as 6LoWPAN, TCP/IP, serial communication, therefore to realize the efficient of transmission and just must meet two conditions: the reception of (1) convenient often kind of agreement judges.(2) as far as possible succinct, reduce redundancy unnecessary.Three kinds of frame formats of this communication protocol adopt identical structure, greatly facilitate to distinguish that the especially Serial Port Transmission of resolving ability difference can go out frame data fast respectively in transmitting procedure.In addition, after the serial ports of node cpu spreads out of, directly can be transferred to terminal device without any amendment after a frame data encapsulation, thus considerably increase the efficiency of transmission.
Three, resolve efficiently
This communication protocol improves the efficiency of parsing in two, and (1), in data upload, the analyzing efficiency in terminal is high.Owing to defining the information such as room number, device numbering and device type in data frame format, data can being shown in corresponding region according to this information by terminal fast, after the positive comparison of database, determining room corresponding to these data and equipment without the need to using IP address etc.(2) in data are assigned, underlying device parsing execution efficiency is high.Data directly can be sent to destination node by the IP address in Frame after arriving telegon by the steering order that terminal device issues, and only need carry out execution according to the data of control data position just passable, judge without the need to other after destination node receives.
Four, extendability is strong:
(1) use of IP address in Frame
This communication protocol defines the IP address of 4 bytes at Frame, for identifying the IPv6 address of each equipment, owing to only identifying 4 bytes in a LAN (Local Area Network), so select 12 bytes eliminating IPv6 address same section, telegon just can realize transmission by after the byte completion of 12 of this same section after receiving Frame.So new equipment only need provide the data such as own IP address, device type just can realize access, without the need to any a part of program of amendment except terminal external system, what terminal only need input new equipment just can realize interpolation for information about, substantially increases the extendability of system.
(2) use of data type in Frame
If the equipment running into newtype needs to add system, data qualifier bit in Frame can realize expanding very easily, support the data that 255 kinds dissimilar in theory, every type supports 255 kinds of different equipment, therefore has very vast extending space.
As shown in Figure 2, described USB embedded gateway 2 comprises the first main control module 19, the the first bottom-layer network module 20 be connected with the first main control module 19, the WiFi module 24 be connected with the first main control module 19, the USB modular converter 23 be connected with the first main control module 19, the UART interface 18 be connected with the first main control module 19, and the first power module 21 be connected with the first main control module 19, first bottom-layer network module 20 respectively; As shown in Figure 5, the first main control module 19 is STM32F103 module, adopts 8M crystal oscillator as system clock, adopt 3.3V direct current as power supply, as shown in Figure 9, the first bottom-layer network module 20 is CC2530 module, and STM32F103 module is connected to CC2530 module by serial ports.As shown in Figure 6, the first power module 21 adopts AMS1117 power module as power supply.As shown in Figure 7, USB modular converter 23 adopts CP210 circuit module.As shown in Figure 8, WiFi module 24 adopts USR-WIFI232-GR module.As shown in Figure 10, UART interface.USB embedded gateway adopts miniature portable design, after completing network configuration by USB interface, can work alone, also in conjunction with computer software work, can have various modes when powering.
Underlying device is sensor class and control class respectively, and as shown in Figure 3, the underlying device of sensor class comprises: described sensor class comprises enviromental monitoring equipment and safety monitoring panalarm.Wherein, enviromental monitoring equipment at least comprises humiture collection meter 4, intensity collection device 5, PM2.5 meter 6 and peculiar smell detector 7, described humiture collection meter 4 is for monitoring indoor temperature and humidity, described intensity collection device 5 is for monitoring indoor intensity of illumination, described PM2.5 meter 6 is for monitoring indoor PM2.5, and described peculiar smell detector 7 is for the gas with foreign flavor in sensing chamber; Safety monitoring panalarm at least comprises smoke alarm 13, methane detector 14, CO detector 15, infrared eye 17 and alarm, described smoke alarm 13 is for detecting indoor smog, described methane detector 14 is for methane in detecting chamber, described CO detector 15 is for CO in detecting chamber, whether described infrared eye 17 has personnel to invade for detection, and described alarm is used for sounding and reports to the police.Such underlying device comprises the second main control module 25, the second bottom-layer network module 26 be connected with the second main control module 25 and sensor 28, and the second source module 27 be connected with the second main control module 25, second bottom-layer network module 26, sensor 25 respectively.As shown in figure 11, by low-power consumption technical grade small package Chip Microcomputer A MTEGA8A as the second main control module 25, the numerical value of the sensor such as humiture, methane can be gathered, the different music tone ringers that also can control Music Clip export, ATMEGA8A is connected with the second bottom-layer network module 26CC2530 by serial ports simultaneously, and add 6LoWPAN network by CC2530 and carry out sensing data and upload and receive steering order, AMS1117 provides 3.3V direct supply for ATMEGA8A and CC2530.
As shown in Figure 4, the underlying device controlling class comprises managing power consumption equipment and household electric appliance control equipment, managing power consumption equipment at least comprises comprehensive energy consumption meter 8 and intelligent switch 9, described comprehensive energy consumption meter 8 for monitoring the electricity consumption situation of connected home appliance, current/voltage, power, accumulative electricity, CO2 discharge capacity, power, and controls the power supply break-make being connected household electrical appliances with it; Described intelligent switch 9 is for controlling the power supply break-make being connected household electrical appliances with it.Household electric appliance control equipment at least comprises lamp dimmer 10, fan governor 12 and curtain controller 11, described lamp dimmer 10 is for controlling connected light fixture, described fan governor 12 is for controlling connected exhaust fan, and described curtain controller 11 is for controlling connected curtain.Such class underlying device comprises the second main control module 25, the the second bottom-layer network module 26 be connected with the second main control module 25 and electrical apparatus interface 30, and the second source module 27 be connected with the second main control module 25, second bottom-layer network module 26 respectively, the 220V be connected with second source module 27 turns 5V power module.Adopt low-power consumption technical grade small package Chip Microcomputer A MTEGA8A as master control, to be connected with electrical apparatus interface by I/O and to carry out data communication and realize Control & data acquisition.Simultaneously ATMEGA8A is connected with CC2530 by serial ports, and adds 6LoWPAN network by CC2530 and carry out sensing data and upload and receive with steering order.ATMEGA8A and CC2530 turns 5V power module by 220V and turns 3.3V through AMS1117 again and power.
The underlying device of sensor class and the underlying device of controller class adopt identical master control and bottom-layer network module, difference is that controller class circuit power adopts alternating current 220V civil power directly to power, and sensor class circuit adopts direct current 5V Power supply, sensor interface and electrical apparatus interface adopt identical I/O mouth, therefore two kind equipments adopt identical base plate, can quick-replaceable sensor according to demand, without the need to changing base plate.As shown in Figure 11 to Figure 13, this base plate comprises the second main control module 25 (ATMEGA8A), the second bottom-layer network module 26 (CC2530), second source module (AMS1117-3.3) and UART interface.
Described control terminal is mobile phone 1, or is computer 3, and described computer 3 is connected with USB embedded gateway 2 by USB interface, and described mobile phone 1 is connected with USB embedded gateway 2 by WIFI module 24.
The 6LoWPAN short address of USB embedded gateway 2 is all stored in the EEPROM of the second main control module 25 by described underlying device, is loaded in program, completes netinit when program initialization by address; USB embedded gateway 2 can pass through intended gateway address in the EEPROM of UART interface or 6LoWPAN network configuration second main control module 25 in the configuration mode, completes network construction or equipment replacement.
As shown in figure 14, new equipment networking configuration information flow graph, by new underlying device, as: humiture collection meter etc. is connected to USB embedded gateway 2 by UART interface, the room of this function device, equipment of itself type and embedded gateway address (address in 6LoWPAN) is configured by cell phone software or computer software, these configuration informations can be stored in the EEPROM of its master control ATMEGA8A by underlying device after configuration automatically, can preserve after power down.After having configured, to extract and after powering on from the UART mouth USB embedded gateway 2, the state of self (such as the on off state of intelligent switch 9) can be uploaded to USB embedded gateway 2 by 6LoWPAN network by new equipment, USB embedded gateway 2 can record address in its 6LoWPAN network and device type, and be stored in the FLASH of self main control chip STM32F103, data power down can not be lost.So just, the steering order received can be corresponded on the 6LoWPAN address of controll plant, thus ensure that steering order can be issued to corresponding controlled target device from control terminals such as mobile phones from control terminals such as mobile phones.
The implementation method of 6LoWPAN Smart Home of the present invention, adopts 6LoWPAN intelligent domestic system of the present invention, comprises the following steps:
WiFi network environment is provided in step 1, home environment, USB embedded gateway 2 is connected on computer by USB interface, carry hyper terminal by supporting embedded gateway configuration software or system and be connected to indoor WiFi, and feed back self IP address and port is presented on computer software or in hyper terminal;
Step 2, open after cell phone software logs in, be connected to the USB embedded gateway 2 in family, after successful connection, used each underlying device is connected to USB embedded gateway 2 by UART interface one by one, the room of this underlying device, equipment of itself type and embedded gateway address is configured by cell phone software or computer software, these configuration informations can be stored in the EEPROM of the second main control module 25 by underlying device after configuration automatically, can preserve after power down;
The data that the underlying device of step 3, sensor class collects are uploaded to USB embedded gateway 2, USB embedded gateway 2 through 6LoWPAN network and are uploaded to through WiFi or USB interface the control terminal established a connection with it; Control information sends to USB embedded gateway 2, USB embedded gateway 2, by 6LoWPAN network, control information is handed down to the corresponding underlying device controlling class by WiFi and performs corresponding operating by control terminal.
In described step 2, after underlying device completes configuration, the state of self can be uploaded to USB embedded gateway 2 by 6LoWPAN network by underlying device, USB embedded gateway 2 can record the type of address in its 6LoWPAN network and underlying device, and is stored in the FLASH of the first main control module 19.
In described step 3, the steering order that mobile terminal issues is after the packet formed by described communication protocol issues USB embedded gateway 2, USB embedded gateway 2 can find the 6LoWPAN address of corresponding device according to these information, then using the 6LoWPAN address of control information bag and target device by being launched as 6LoWPAN network packet by signal after 6LoWPAN network encapsulation, after target functional device receives 6LoWPAN network packet, judge whether the destination address in network packet is Self address, if not, then this network packet is abandoned, if, then this network packet is extracted after 6LoWPAN procotol is successively resolved valid data packet portion and submit to application layer program, application layer program carries out parsing verification according to described communication protocol again, verify by after operate according to the control bit data in packet.
Claims (10)
1. a 6LoWPAN intelligent domestic system, it is characterized in that: comprise USB embedded gateway (2), carried out the multiple underlying device communicated respectively with USB embedded gateway (2) by 6LoWPAN network, and by the wired or wireless control terminal carrying out communicating with USB embedded gateway (2);
Described USB embedded gateway (2) receives from underlying device data message and is uploaded to remote terminal, receives the control information of remote terminal simultaneously and is handed down to corresponding underlying device and carries out Long-distance Control; Communication protocol between each underlying device, USB embedded gateway (2) and remote terminal is, the data frame format uploaded is divided three classes, it is respectively sensor alarm Frame, energy consumption data frame and controls feedback data frame, and issuing data frame format is control data frame;
The form of described sensor alarm Frame is as follows:
The form of described control data frame and control feedback data frame is as follows:
The form of described energy consumption data frame is as follows:
2. 6LoWPAN intelligent domestic system according to claim 1, is characterized in that: described underlying device is divided into sensor class and controls class;
The underlying device of described sensor class comprises:
Enviromental monitoring equipment, it at least comprises humiture collection meter (4), intensity collection device (5), PM2.5 meter (6) and peculiar smell detector (7), described humiture collection meter (4) is for monitoring indoor temperature and humidity, described intensity collection device (5) is for monitoring indoor intensity of illumination, described PM2.5 meter (6) is for monitoring indoor PM2.5, and described peculiar smell detector (7) is for the gas with foreign flavor in sensing chamber;
Safety monitoring panalarm, it at least comprises smoke alarm (13), methane detector (14), CO detector (15), infrared eye (17) and alarm, described smoke alarm (13) is for detecting indoor smog, described methane detector (14) is for methane in detecting chamber, described CO detector (15) is for CO in detecting chamber, whether described infrared eye (17) has personnel to invade for detection, and described alarm is used for sounding and reports to the police;
The underlying device of described control class comprises:
Managing power consumption equipment, it at least comprises comprehensive energy consumption meter (8) and intelligent switch (9), described comprehensive energy consumption meter (8) for monitoring the electricity consumption situation of connected home appliance, current/voltage, power, accumulative electricity, CO2 discharge capacity, power, and controls the power supply break-make being connected household electrical appliances with it; Described intelligent switch (9) is for controlling the power supply break-make being connected household electrical appliances with it;
Household electric appliance control equipment, it at least comprises lamp dimmer (10), fan governor (12) and curtain controller (11), described lamp dimmer (10) is for controlling connected light fixture, described fan governor (12) is for controlling connected exhaust fan, and described curtain controller (11) is for controlling connected curtain.
3. 6LoWPAN intelligent domestic system according to claim 1, is characterized in that:
Described USB embedded gateway (2) comprises the first main control module (19), the the first bottom-layer network module (20) be connected with the first main control module (19), the WiFi module be connected with the first main control module (19), the USB modular converter (23) be connected with the first main control module (19), the UART interface be connected with the first main control module (19), and the first power module (21) be connected with the first main control module (19), the first bottom-layer network module (20) respectively;
Described underlying device comprises the second main control module (25), the the second bottom-layer network module (26) be connected with the second main control module (25), and the second source module (27) be connected with the second main control module (25), the second bottom-layer network module (26) respectively.
4. 6LoWPAN intelligent domestic system according to claim 3, is characterized in that: described first main control module (19) is STM32F103 module.
5. 6LoWPAN intelligent domestic system according to claim 3, is characterized in that: described first bottom-layer network module (20) and the second bottom-layer network module (26) all adopt CC2530 module; Described second main control module (25) adopts ATMEGA8A module.
6. according to the arbitrary described 6LoWPAN intelligent domestic system of claim 1 to 5, it is characterized in that: described control terminal is mobile phone, or be computer, described computer is connected with USB embedded gateway (2) by USB interface, and described mobile phone is connected with USB embedded gateway (2) by WIFI module.
7. according to the arbitrary described 6LoWPAN intelligent domestic system of claim 1 to 5, it is characterized in that: the 6LoWPAN short address of USB embedded gateway (2) is all stored in the EEPROM of the second main control module (25) by described underlying device, when program initialization, address is loaded in program, completes netinit; USB embedded gateway (2) can pass through intended gateway address in the EEPROM of UART interface or 6LoWPAN network configuration second main control module (25) in the configuration mode, completes network construction or equipment replacement.
8. an implementation method for 6LoWPAN Smart Home, is characterized in that, adopt as arbitrary in claim 1 to 7 as described in 6LoWPAN intelligent domestic system, comprise the following steps:
WiFi network environment is provided in step 1, home environment, USB embedded gateway (2) is connected on computer by USB interface, carry hyper terminal by supporting embedded gateway configuration software or system and be connected to indoor WiFi, and feed back self IP address and port is presented on computer software or in hyper terminal;
Step 2, open after cell phone software logs in, be connected to the USB embedded gateway (2) in family, after successful connection, used each underlying device is connected to USB embedded gateway (2) by UART interface one by one, the room of this underlying device, equipment of itself type and embedded gateway address is configured by cell phone software or computer software, these configuration informations can be stored in the EEPROM of the second main control module (25) by underlying device after configuration automatically, can preserve after power down;
The data that step 3, underlying device collect are uploaded to USB embedded gateway (2) through 6LoWPAN network, and USB embedded gateway (2) is uploaded to the control terminal established a connection with it through WiFi or USB interface; Control information is sent to USB embedded gateway (2) by WiFi by control terminal, and control information is handed down to corresponding underlying device by 6LoWPAN network by USB embedded gateway (2), and underlying device performs corresponding operating.
9. the implementation method of 6LoWPAN Smart Home according to claim 8, it is characterized in that: in described step 2, after underlying device completes configuration, the state of self can be uploaded to USB embedded gateway (2) by 6LoWPAN network by underlying device, USB embedded gateway (2) can record the type of address in its 6LoWPAN network and underlying device, and is stored in the FLASH of the first main control module (19).
10. the implementation method of 6LoWPAN Smart Home according to claim 8, is characterized in that:
In described step 3, the steering order that mobile terminal issues is after the packet formed by described communication protocol issues USB embedded gateway (2), USB embedded gateway (2) can find the 6LoWPAN address of corresponding device according to these information, then using the 6LoWPAN address of control information bag and target device by being launched as 6LoWPAN network packet by signal after 6LoWPAN network encapsulation, after target functional device receives 6LoWPAN network packet, judge whether the destination address in network packet is Self address, if not, then this network packet is abandoned, if, then this network packet is extracted after 6LoWPAN procotol is successively resolved valid data packet portion and submit to application layer program, application layer program carries out parsing verification according to described communication protocol again, verify by after operate according to the control bit data in packet.
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