CN108181830A - A kind of intelligent domestic system based on WSN technology - Google Patents
A kind of intelligent domestic system based on WSN technology Download PDFInfo
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- G—PHYSICS
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- 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
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- 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
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- G05B2219/2642—Domotique, domestic, home control, automation, smart house
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Abstract
The present invention provides a kind of intelligent domestic systems based on WSN technology, including environmental monitoring subsystem, thermoregulator, wind flow adjuster, environmental Kuznets Curves center, wherein environmental monitoring subsystem, thermoregulator, wind flow adjuster is all connect with environmental Kuznets Curves center.The present invention realizes the monitoring and adjusting to smart home environment.
Description
Technical field
The present invention relates to smart home fields, and in particular to a kind of intelligent domestic system based on WSN technology.
Background technology
With raising of the people to home comfort health requirements, the concept of smart home is gradually suggested and receives, intelligence
Household is usually using advanced computer network communication technology, comprehensive wiring technology and base of principle of human engineering, merges individual character
The subsystems related with home life are organically combined together by demand, are controlled and managed by comprehensive intelligent, are realized
Completely new home life experience, refrigeration and heating is a major issue in family life at present, is had to people’s lives comfort great
It influences, however refrigeration and heating needs are adjusted in real time according to the impression of human body, common collective has for warm air conditioner refrigerating
Significant limitation, it is impossible to be adjusted in time into trip temperature.
Invention content
In view of the above-mentioned problems, the present invention provides a kind of intelligent domestic system based on WSN technology.
The purpose of the present invention is realized using following technical scheme：
A kind of intelligent domestic system based on WSN technology is provided, including environmental monitoring subsystem, thermoregulator, wind
Throttle regulator, environmental Kuznets Curves center, wherein environmental monitoring subsystem, thermoregulator, wind flow adjuster all in environmental Kuznets Curves
The heart connects；The environmental monitoring subsystem for being monitored in real time to indoor environment, acquire indoor environment Data Concurrent send to
Environmental Kuznets Curves center；For being analyzed and processed to the indoor environment data of reception, generation is corresponding at the environmental Kuznets Curves center
Control instruction, and control according to control instruction the operation of thermoregulator and wind flow adjuster；The environmental monitoring subsystem
Including multiple sensor nodes, base station, base station and multiple sensor nodes are configured to perceive and acquire indoor environment together
The wireless sensor network of data, the indoor environment data of sensor node acquisition are ultimately delivered to base station, and then will by base station
The indoor environment data received are transmitted to environmental Kuznets Curves center.
Preferably, the environmental Kuznets Curves center includes data processing module, temperature control modules, distinguished and admirable control module,
Wherein temperature control modules, distinguished and admirable control module input terminal all connect with data processing module, the output of temperature control modules
End is connect with thermoregulator, the output terminal of distinguished and admirable control module is connect with wind flow adjuster.
Beneficial effects of the present invention are：Indoor environment data acquisition is carried out using wireless sensor network technology, is avoided
The trouble of wiring, intelligent quick；By being analyzed and processed to collected indoor environment data, according to indoor environment data control
The operation of thermoregulator and wind flow adjuster processed realizes the adjusting of household temperature and air circulation, allows people when going back home
Comfortable environment, of simple structure and strong practicability can be enjoyed.
Description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not form any limit to the present invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the intelligent domestic system structural schematic block diagram of one embodiment of the invention；
Fig. 2 is the structural schematic block diagram at the environmental Kuznets Curves center of one embodiment of the invention.
Reference numeral：
Environmental monitoring subsystem 1, thermoregulator 2, wind flow adjuster 3, environmental Kuznets Curves center 4, data processing module 10,
Temperature control modules 20, distinguished and admirable control module 30.
Specific embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, intelligent domestic system provided in this embodiment, including environmental monitoring subsystem 1, thermoregulator 2, wind
Throttle regulator 3, environmental Kuznets Curves center 4, wherein environmental monitoring subsystem 1, thermoregulator 2, wind flow adjuster 3 all with environment control
Center 4 processed connects.
For being monitored in real time to indoor environment, acquisition indoor environment Data Concurrent is sent to ring environmental monitoring subsystem 1
Border control centre 4.Environmental monitoring subsystem 1 includes multiple sensor nodes, base station, one isomorphism of base station and multiple sensor nodes
The wireless sensor network for perceiving and acquiring indoor environment data is built up, the indoor environment data of sensor node acquisition are most
It is transmitted to base station eventually, and then the indoor environment data received are transmitted to environmental Kuznets Curves center 4 by base station.The present embodiment utilizes
Wireless sensor network technology carries out indoor environment data acquisition, avoids wiring, implements simple.
Wherein, each sensor node is divided into multiple clusters, so as to build the wireless sensor network of sub-clustering, wherein each cluster
Including a main cluster head and an auxiliary cluster head, main cluster head is used for the indoor environment number for polymerizeing the acquisition of cluster inner sensor node
It is used to receive the indoor environment data for the polymerization that main cluster head is sent according to, auxiliary cluster head, and by the indoor environment of the polymerization of reception
Data are sent to base station by way of multihop routing.
Wherein, sensor node includes data acquisition module, Data Analysis Services module and data communication module；Data
Acquisition module is completed by sensor and analog-digital converter, and Data Analysis Services module is completed by microprocessor and memory, data
Communication module is completed by wireless transceiver.Wherein, sensor is temperature sensor and/or distinguished and admirable sensor.
Environmental Kuznets Curves center 4 is used to analyze and process the indoor environment data of reception, generates corresponding control instruction,
And the operation of thermoregulator 2 and wind flow adjuster 3 is controlled according to control instruction.
Optionally, as shown in Fig. 2, environmental Kuznets Curves center 4 includes data processing module 10, temperature control modules 20, distinguished and admirable
Control module 30, wherein temperature control modules 20, distinguished and admirable control module 30 input terminal all connect with data processing module 10, temperature
The output terminal of degree control module 20 is connect with thermoregulator 2, the output terminal of distinguished and admirable control module 30 and wind flow adjuster 3 connect
It connects.
Data processing module 10 analyzes and processes the indoor environment data of reception, by the indoor environment data of reception with
Preset index is compared, and control instruction is generated, and control instruction is sent to temperature control modules according to result of the comparison
20th, distinguished and admirable control module 30, and then thermoregulator 2 and distinguished and admirable tune are controlled by temperature control modules 20, distinguished and admirable control module 30
Save the operation of device 3.
Optionally, control instruction is generated according to result of the comparison, for example, when the Indoor Temperature of the acquisition of environmental monitoring subsystem 1
When degree is more than the preset data threshold upper limit, the control that data processing module 10 turns down temperature to the transmission of temperature control modules 20 refers to
It enables, and aweather flow control module 30 sends the control instruction for starting air-supply, and then temperature control modules 20 are according to control instruction control
Thermoregulator 2 processed carries out low-temperature receiver offer, and distinguished and admirable control module 30 conveys wind according to control instruction airflow regulation adjuster 3, from
And by indoor temperature control in suitable range.And when the indoor temperature that environmental monitoring subsystem 1 acquires is less than preset number
During according to bottom threshold, data processing module 10 sends the control instruction that temperature is turned up, and aweather flow control to temperature control modules 20
Molding block 30 sends the control instruction for closing air-supply, and then temperature control modules 20 control thermoregulator 2 according to control instruction
Heat source offer is carried out, distinguished and admirable control module 30 no longer carries out pushing wind manipulation according to control instruction airflow regulation adjuster 3.
Optionally, thermoregulator 2 connects earth source heat pump, and earth source heat pump provides heat source and low-temperature receiver, temperature control modules 20
Thermoregulator 2 can be controlled to adjust earth source heat pump according to control instruction, heat source or low-temperature receiver are provided, so as to which indoor temperature be controlled
In suitable range.
In another optional mode, thermoregulator 2 is air-conditioning, and temperature control modules 20 can be according to control instruction control
Thermoregulator 2 processed conveys low-temperature receiver or heat source.
Optionally, wind flow adjuster 3 be ventilation device, the keying that distinguished and admirable control module 30 passes through airflow regulation adjuster 3
Come realize ventilation or it is stuffy.
The above embodiment of the present invention carries out indoor environment data acquisition using wireless sensor network technology, avoids wiring
Trouble, intelligent quick；By being analyzed and processed to collected indoor environment data, temperature is controlled according to indoor environment data
The operation of adjuster and wind flow adjuster is spent, the adjusting of household temperature and air circulation is realized, allows people can when going back home
To enjoy comfortable environment, of simple structure and strong practicability.
In one embodiment, each sensor node is divided into multiple clusters by clustering route protocol, specially：
(1) each sensor node in indoor air chemical pollution region receives " hello " data packet of base station broadcast, determines
The distance of base station itself is arrived, and records the time of " hello " data packet for receiving base station broadcast, described " hello " data
Packet includes the theoretical time that " hello " data packet is received by each sensor node of base station sets；
(2) when the main cluster head election of each round starts, each sensor node i generates one between 0 to 1 at random
Random number, and given threshold UiIf the random number of generation is less than threshold value Ui, then sensor node i become working node, and
It is added immediately working node collection；
(3) remaining working node broadcast node information that working node is concentrated to working node, wherein nodal information include
Itself ID number；
(4) after working node receives the nodal information of remaining working node, if working node α is located at working node β
Sensing range in, then working node α be added to working node β neighbor node concentrate；
(5) neighbor node of working node is concentrated, the working node of position maximum weight be elected as main cluster head and to its
Remaining sensor node broadcasts are elected to information, and not being elected to the working node of main cluster head becomes member node and be added to nearest master
Want cluster head；
(6) sleeping nodes are received after information is elected in the broadcast and are activated, and be added to nearest main cluster head, point
After the completion of cluster, main cluster head selects a member node as auxiliary cluster head in the member node in its cluster.
In a kind of optional mode, the current remaining of main cluster head is less than the average residual of member node in its cluster
During energy, main cluster head promotes all member nodes in its cluster to re-elect the member node of position maximum weight as new
Main cluster head.
The present embodiment proposes a kind of new clustering route protocol, by choosing main cluster head and auxiliary cluster head in the agreement
Jointly come undertake the polymerization of indoor environment data and forwarding task, the energy consumption of main cluster head and main cluster head rotation can be reduced
Frequency, realize energy consumption dispersion, and then extend network life span.
Wherein, threshold value UiSet formula as：
In formula, e is that the main cluster head number of setting accounts for the desired value of sensor node number percentage, b be when front-wheel number,
Φ is precedingIt was not elected to the sensor node set of main cluster head, Q in wheeliFor the current remaining of sensor node i,
QminFor the minimum energy value of setting, x is the proportion threshold value of setting, f (Qi-Qmin, x) and it is the comparison value function set, work as Qi-
QminDuring >=x, f (Qi-Qmin, x)=1, work as Qi-Qmin<During x, f (Qi-Qmin, x)=0.5.
The present embodiment creatively sets the election contest mode of main cluster head based on traditional LEACH clustering route protocols,
Wherein capacity factor is considered in the calculation formula of threshold value so that the random number of generation is more than the sensor node ability of threshold value
The competition of main cluster head is participated in, sensor node is limited and is elected as the number of main cluster head, while reduce dump energy
Too small sensor node is elected as the probability of main cluster head, advantageously ensures that the working time of main cluster head, while reduces biography
The energy consumption rate of sensor node avoids sensor node premature death, therefore the present embodiment is based on above-mentioned clustering route protocol
Main cluster head and auxiliary cluster head are elected, the stability of wireless sensor network can be improved, so as to greatly improve indoor environment
Data acquire and the reliability of transmission.
In one embodiment, the calculation formula of the position weights is：
In formula, TjRepresenting the position weights of working node j ,/(j, sink) is distances of the working node j to base station ,/maxFor
All the sensors node to the maximum value in the distance of base station ,/minFor the minimum in the distance of all the sensors node to base station
Value；djThe time of base station " hello " data packet is received for working node j,To receive base station by the working node j of base station sets
The theoretical time of " hello " data packet.
The conduct cluster head of current remaining maximum is directly selected relative to the prior art, the present embodiment is creatively chosen
The sensor node of position maximum weight is as main cluster head, wherein creatively devising the calculation formula of position weights, root
It is devised according to the difference of actual signal intensity and theory signal intensity that sensor node receives base station data packet for distance
Weighting coefficient so that the position weights calculated more accurately weigh the position advantage of sensor node.
The present embodiment according to position advantage because usually selecting main cluster head, enable to apart from base station closer to working node
Become main cluster head with more maximum probability, so as to reduce indoor environment data transmission to the energy consumption of base station, save smart home system
Communications cost in terms of the environmental data collection indoors of system.
In one embodiment, auxiliary cluster head sends out the indoor environment data of the polymerization of reception by way of multihop routing
It send to base station, specially：
(1) when the distance of cluster head and base station is assisted to be less than or equal to the maximal distance threshold of setting, the room of cluster head is assisted
Interior environmental data is directly transferred to base station in the form of single-hop communication；
(2) when the distance of cluster head and base station is assisted to be more than the maximal distance threshold of setting, auxiliary cluster head is jumped adjacent in one
Occupy select in set of node current remaining maximum as relay node, to complete the transmission of indoor environment data.
The present embodiment sets corresponding best relay routing plan according to auxiliary cluster head with the distance of base station.
In one embodiment, a member node is selected in member node of the main cluster head in its cluster as auxiliary cluster
Head is specifically included：
(1) main cluster head calculates the select probability of member node in its cluster according to the following formula：
In formula, VkRepresent the select probability of the member node k of main cluster head a, QkFor the current remaining of member node k,For the average energy of member node in the cluster of main cluster head a ,/(a, sink) is distances of the main cluster head a to base station ,/
(k, a) distance for being member node k to its main cluster head a ,/(k, sink) is member node k to the distance of base station, dkFor member
Node k receives the time of base station " hello " data packet,To receive base station " hello " data by the member node k of base station sets
The theoretical time of packet, m are the weight coefficient of setting；
(2) main cluster head is using the member node of select probability maximum as auxiliary cluster head.
The present embodiment creatively devises the calculation formula of select probability according to energy and positional factor, and therefrom draws
Enter and be used for according to what the difference of actual signal intensity and theory signal intensity that sensor node receives base station data packet designed
The weighting coefficient of distance so that select probability can more accurately weigh the position advantage and energy advantage of member node；This reality
Example is applied using the member node of select probability maximum as auxiliary cluster head, can be that the best auxiliary cluster head of main cluster-leader selected is used for
The task of forwarding indoor environment data is undertaken, the communication energy consumption between main cluster head and auxiliary cluster head in network is reduced, saves
The intelligent domestic system communications cost in terms of environmental data collection indoors.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than the present invention is protected
The limitation of range is protected, although being explained in detail with reference to preferred embodiment to the present invention, those of ordinary skill in the art should
Work as understanding, technical scheme of the present invention can be modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (6)
1. a kind of intelligent domestic system based on WSN technology, it is characterized in that, including environmental monitoring subsystem, thermoregulator, wind
Throttle regulator, environmental Kuznets Curves center, wherein environmental monitoring subsystem, thermoregulator, wind flow adjuster all in environmental Kuznets Curves
The heart connects；The environmental monitoring subsystem for being monitored in real time to indoor environment, acquire indoor environment Data Concurrent send to
Environmental Kuznets Curves center；For being analyzed and processed to the indoor environment data of reception, generation is corresponding at the environmental Kuznets Curves center
Control instruction, and control according to control instruction the operation of thermoregulator and wind flow adjuster；The environmental monitoring subsystem
Including multiple sensor nodes, base station, base station and multiple sensor nodes are configured to perceive and acquire indoor environment together
The wireless sensor network of data, the indoor environment data of sensor node acquisition are ultimately delivered to base station, and then will by base station
The indoor environment data received are transmitted to environmental Kuznets Curves center；Each sensor node is divided into multiple clusters, so as to build sub-clustering
Wireless sensor network, wherein each cluster include a main cluster head and one auxiliary cluster head, main cluster head be used for polymerize cluster
The indoor environment data of inner sensor node acquisition, auxiliary cluster head are used to receive the indoor environment number for the polymerization that main cluster head is sent
According to, and the indoor environment data of the polymerization of reception are sent to base station by way of multihop routing.
2. a kind of intelligent domestic system based on WSN technology according to claim 1, it is characterized in that, the environment control
Center processed includes data processing module, temperature control modules, wherein distinguished and admirable control module, temperature control modules, wind flow control module
The input terminal of block is all connect with data processing module, and the output terminals of temperature control modules is connect with thermoregulator, distinguished and admirable control
The output terminal of module is connect with wind flow adjuster.
3. a kind of intelligent domestic system based on WSN technology according to claim 1, it is characterized in that, sensor node packet
Include data acquisition module, Data Analysis Services module and data communication module；Data acquisition module is turned by sensor and modulus
Parallel operation is completed, and Data Analysis Services module is completed by microprocessor and memory, and data communication module is completed by wireless transceiver.
4. according to a kind of intelligent domestic system based on WSN technology of claim 1-3 any one of them, it is characterized in that, it is each to pass
Sensor node is divided into multiple clusters by clustering route protocol, specially：
(1) each sensor node in indoor air chemical pollution region receives " hello " data packet of base station broadcast, determines itself
To the distance of base station, and record the time of " hello " data packet for receiving base station broadcast, described " hello " the data packet packet
Include the theoretical time that " hello " data packet is received by each sensor node of base station sets；
(2) each round main cluster head election start when, each sensor node i at random generation one between 0 to 1 with
Machine number, and given threshold UiIf the random number of generation is less than threshold value Ui, then sensor node i become working node, and at once
Add in working node collection；
(3) remaining working node broadcast node information that working node is concentrated to working node, wherein nodal information include itself
ID number；
(4) after working node receives the nodal information of remaining working node, if working node α is located at the sense of working node β
In the range of knowing, then working node α is added to the neighbor node concentration of working node β；
(5) neighbor node of working node is concentrated, and the working node of position maximum weight is elected as main cluster head and is passed to remaining
The elected information of sensor node broadcast, not being elected to the working node of main cluster head becomes member node and is added to nearest main cluster
It is first；
(6) sleeping nodes are received after information is elected in the broadcast and are activated, and be added to nearest main cluster head, and sub-clustering is complete
Cheng Hou, main cluster head select a member node as auxiliary cluster head in the member node in its cluster.
5. a kind of intelligent domestic system based on WSN technology according to claim 4, it is characterized in that, the position weights
Calculation formula be：
In formula, TjRepresent the position weights of working node j, Y (j, sink) is working node j to the distance of base station, YmaxIt is all
Sensor node is to the maximum value in the distance of base station, YminFor the minimum value in the distance of all the sensors node to base station；dj
The time of base station " hello " data packet is received for working node j,To receive base station by the working node j of base station sets
The theoretical time of " hello " data packet.
6. a kind of intelligent domestic system based on WSN technology according to claim 5, it is characterized in that, threshold value UiSetting it is public
Formula is：
In formula, e is that the main cluster head number of setting accounts for the desired value of sensor node number percentage, and b is when front-wheel number, and Φ is
PrecedingIt was not elected to the sensor node set of main cluster head, Q in wheeliFor the current remaining of sensor node i, QminFor
The minimum energy value of setting, x be setting proportion threshold value, f (Qi- Qmin, x) it is the comparison value function set, work as Qi-Qmin≥
During x, f (Qi- Qmin, x)=1, work as Qi-Qmin<During x, f (Qi-Qmin, x)=0.5.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108668255A (en) * | 2018-08-02 | 2018-10-16 | 深圳大图科创技术开发有限公司 | Medical environment intelligence control system |
| CN109213242A (en) * | 2018-11-08 | 2019-01-15 | 深圳众宝城贸易有限公司 | Smart home temperature and humidity real-time control system |
| CN109213243A (en) * | 2018-11-08 | 2019-01-15 | 广州源贸易有限公司 | Smart home temperature and humidity wireless automatic control system |
| CN109240102A (en) * | 2018-09-26 | 2019-01-18 | 东莞方凡智能科技有限公司 | Smart home environment managing and control system |
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