CN109282431B - Air-conditioning and lighting energy saving control system - Google Patents
Air-conditioning and lighting energy saving control system Download PDFInfo
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- CN109282431B CN109282431B CN201811037478.6A CN201811037478A CN109282431B CN 109282431 B CN109282431 B CN 109282431B CN 201811037478 A CN201811037478 A CN 201811037478A CN 109282431 B CN109282431 B CN 109282431B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides air-conditioning and lighting energy saving control systems, including EM equipment module, the EM equipment module includes multiple air-conditioning devices and lighting device, the system also includes the sensing device of communication connection and regulation devices, sensing device is based on wireless sensor network and acquires environmental data, and the environmental data of acquisition is sent to regulation device；The regulation device includes memory, the analyzer for environmental data to be compared with corresponding default environmental threshold value, the controller for being used to control EM equipment module work, and the memory, controller are all connect with the analyzer.
Description
Technical field
The present invention relates to field of energy-saving technology, and in particular to air-conditioning and lighting energy saving control system.
Background technique
With the raising of people's lives level, people are higher and higher to the comfort requirement of living environment, and especially one
A little Deluxe villas are equipped with constant temperature and humidity system and carry out intelligent adjusting to indoor temperature and humidity, to make constant temperature and humidity system
Reach optimum efficiency, it is desirable to reduce influence of the outdoor environment to indoor temperature and humidity.However, by taking common office building office as an example,
Building Indoor Environment generally all still takes artificial open and close to control and adjust operation mode, although some had taken up it is some
Research on Energy Saving, such as central air conditioner system, energy-saving lamp, but under normal conditions, opened when going to work morning all air-conditioning equipments,
Heating and ventilating equipment and lighting equipment, until just closing when coming off duty at night, intermediate use process is seldom gone according to architecture indoor ring
The actual change situation of border situation regulates and controls these equipment, is easy to cause the result that energy saving is inefficient.In conclusion existing
Have in technology, there are indoor temperature and humidities and illuminance to be regulated and controled according to the actual change situation of environmental aspect, leads to energy conservation
The low problem of power saving efficiency.
Summary of the invention
In view of the above-mentioned problems, the present invention provides air-conditioning and lighting energy saving control system.
The purpose of the present invention is realized using following technical scheme:
Air-conditioning and lighting energy saving control system, including EM equipment module are provided, which includes multiple air-conditioning devices
And lighting device, the system also includes the sensing device of communication connection and regulation device, sensing device is based on wireless sensing
Device network acquires environmental data, and the environmental data of acquisition is sent to regulation device；The regulation device include memory,
Analyzer for environmental data to be compared with corresponding default environmental threshold value, the control for being used to control EM equipment module work
Device, the memory, controller are all connect with the analyzer.
In a kind of mode of preferred implementation, the analyzer compares environmental data with corresponding default environmental threshold value
Compared with finding out the deviation between them, generate corresponding control instruction according to bias contribution, and the control instruction is sent to described
Controller, and then controller control instruction control EM equipment module work based on the received.
In a kind of mode of preferred implementation, the controller includes first control unit, the second control unit, wherein
One control unit, the second control unit input terminal all connect with the analyzer, the output end of first control unit with it is multiple
The air-conditioning device communication connection, the output end of the second control unit and multiple lighting devices communicate to connect.
Wherein, the sensing device includes aggregation node and multiple sensor nodes, and sensor node is mainly used for acquiring
The environmental data of monitored position, aggregation node are mainly used for converging the environmental data of each sensor node acquisition, and will convergence
Environmental data be sent to regulation device.
In a kind of mode of preferred implementation, sensor node includes acquisition unit, analysis and processing unit and communication unit
Member；Acquisition unit is completed by sensor and analog-digital converter, and analysis and processing unit is completed by microprocessor and memory, communication unit
Member is completed by wireless transceiver；The sensor includes optical sensor and temperature sensor.
The invention has the benefit that carrying out environmental data collecting using wireless sensor network technology, wiring is avoided
Trouble, intelligent quick；By being analyzed and processed to collected environmental data, EM equipment module is controlled according to environmental data
The Energy Saving Control to air-conditioning and illumination is realized in operation, practical.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the 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 air-conditioning of an illustrative embodiment of the invention and the structural schematic block diagram of lighting energy saving control system；
Fig. 2 is the structural schematic block diagram of the regulation device of an illustrative embodiment of the invention.
Appended drawing reference:
EM equipment module 1, sensing device 2, regulation device 3, memory 10, analyzer 20, controller 30.
Specific embodiment
The invention will be further described with the following Examples.
Fig. 1 is the air-conditioning of an illustrative embodiment of the invention and the structural schematic block diagram of lighting energy saving control system.Ginseng
See Fig. 1, air-conditioning and lighting energy saving control system provided in this embodiment provide air-conditioning and lighting energy saving control system, including set
Standby module 1, sensing device 2 and regulation device 3, wherein sensing device 2 and regulation device 3 communicate to connect.The EM equipment module 1 includes
Multiple air-conditioning devices and lighting device.
Wherein, sensing device 2 is based on wireless sensor network and acquires environmental data, and the environmental data of acquisition is sent to
Regulation device 3；The sensing device 2 includes aggregation node and multiple sensor nodes, and sensor node is mainly used for acquiring institute
Monitor the environmental data of position, aggregation node is mainly used for converging the environmental data of each sensor node acquisition, and by convergence
Environmental data is sent to regulation device 3.Sensor node includes acquisition unit, analysis and processing unit and communication unit；Acquisition
Unit is completed by sensor and analog-digital converter, and analysis and processing unit is completed by microprocessor and memory 10, communication unit by
Wireless transceiver is completed；The sensor includes optical sensor and temperature sensor.
Fig. 2 shows the structural schematic block diagrams of the regulation device 3 of an illustrative embodiment of the invention.As shown in Fig. 2, institute
The regulation device 3 stated include memory 10, for by environmental data with it is corresponding preset environmental threshold value be compared analyzer 20,
For controlling the controller 30 of the work of EM equipment module 1, the memory 10, controller 30 are all connect with the analyzer 20.
In a kind of mode of preferred implementation, the analyzer 20 compares environmental data with corresponding default environmental threshold value
Compared with finding out the deviation between them, generate corresponding control instruction according to bias contribution, and the control instruction is sent to described
Controller 30, and then control instruction control EM equipment module 1 works the controller 30 based on the received.For example, setting environment threshold
Value are as follows: temperature is 19 DEG C -24 DEG C, intensity of illumination 500Lux-600Lux.When the temperature of some position in the environmental data of acquisition
When degree is according to being lower than 19 DEG C, the analyzer 20 generates control instruction according to the temperature deviation being calculated, at this time control instruction
Heating mode, corresponding opening time are opened including controlling air-conditioning device corresponding with some described position, analyzer 20 will be controlled
System instruction is sent to controller 30, and then controller 30 controls the corresponding air-conditioning device according to control instruction and works.And works as and adopt
When the temperature data of some position in the environmental data of collection is higher than 24 DEG C, the analyzer 20 is inclined according to the temperature being calculated
Difference generates control instruction, at this time control instruction include control corresponding with some described position air-conditioning device unlatching refrigeration mode,
The corresponding opening time.When the intensity of illumination of some position in the environmental data of acquisition is lower than 500Lux, the analyzer
20 generate control instruction according to the intensity of illumination deviation being calculated, and control instruction includes control and some described position pair at this time
The lighting device answered opens, the corresponding opening time.When the intensity of illumination of some position in the environmental data of acquisition is higher than
When 600Lux, the analyzer 20 generates control instruction according to the intensity of illumination deviation being calculated, and control instruction includes at this time
Lighting device corresponding with some described position is controlled to close.The EM equipment module 1 may also include electrically driven curtain, thus when adopting
When the intensity of illumination of some position in the environmental data of collection is higher than 600Lux, analyzer 20 generates starting and some described position
The instruction of corresponding electrically driven curtain operation.
In a kind of mode of preferred implementation, the controller 30 includes first control unit, the second control unit, wherein
First control unit, the second control unit input terminal all connect with the analyzer 20, the output end of first control unit with
Multiple air-conditioning device communication connections, the output end of the second control unit and multiple lighting devices communicate to connect.In turn,
The control instruction for controlling air-conditioning device unlatching refrigeration mode corresponding with some described position will be sent directly to the first control list
Member, and the second control unit will be sent directly to by controlling the control instruction that lighting device corresponding with some described position is closed.
The above embodiment of the present invention carries out environmental data collecting using wireless sensor network technology, avoids the fiber crops of wiring
It is tired, intelligent quick；By being analyzed and processed to collected environmental data, the fortune of EM equipment module 1 is controlled according to environmental data
Row realizes the Energy Saving Control to air-conditioning and illumination, practical.
In a kind of mode that can be realized, the other sensors node being defined in sensor node communication range is it
Neighbor node；After affixing one's name to multiple sensor nodes inside the monitoring region of setting according to actual monitoring needs, according to sensor section
The deployment scenario of point increases suitable sensor node, comprising:
(1) whether each sensor node that detection has been disposed meets following density conditions, will not meet the biography of density conditions
Sensor node is considered as low-density node:
In formula, KiFor the node degree of sensor node i, i.e. the neighbor node number of sensor node i；N be network in
The sensor node number of deployment, RjFor the communication distance for j-th of the sensor node disposed in network, A is the monitoring
The area in region, η are preset regulatory factor, and the value range of η is [0.6,0.8]；
(2) new sensor node is disposed in the communication zone of each low-density node, specifically: to any low-density section
Point k, if its communication zone is Ψk, calculate the sensing region lap Ω of all neighbor nodes of low-density node kk,
Ψk-ΩkRegion in one new sensor node of random placement；
(3) (1), (2) are repeated, until low-density node is not present.
The present embodiment increases suitable sensor node according to the deployment scenario of sensor node, wherein innovatively setting
Density conditions, are considered as low-density node for the sensor node for not meeting density conditions, and in low-density node communication zone
It is interior to increase new sensor node, be conducive to improve sensor node distributing homogeneity；The present embodiment is increasing new sensor
When node, the sensing region lap of all neighbor nodes of low-density node is avoided, the biography newly increased is advantageously allowed
The overlapping region of sensor node and its neighbor node is small as far as possible, further increases network coverage quality, guarantee environment monitoring effect.
In a kind of mode that can be realized, sensor node carries out sub-clustering according to node density, therefrom determines cluster head, general
Logical member node, isolated node；The stage is transmitted in environmental data, the environmental data of acquisition is sent to cluster by rank and file's node
Head, the environmental data of acquisition is sent to aggregation node by cluster head；Isolated node passes through the environmental data that itself is acquired
It directly transmits mode or multi-hop transmission mode is sent to aggregation node.
Wherein, sensor node carries out sub-clustering according to node density, comprising:
(1) aggregation node sends sub-clustering instruction to each sensor node of network, and each sensor node receives sub-clustering instruction
Afterwards, the density factor of oneself is calculated, ifThen sensor node i becomes alternate node, and broadcasts cluster head to neighbor node
Message is campaigned for, concurrently set for the first time limit:
In formula,Indicate the density factor of sensor node i；
(2) alternative to save if alternate node receives the cluster head election contest message of remaining alternate node broadcast within the first time limit
The current remaining of itself is compared by point with the current remaining of remaining alternate node, and current remaining is most
Big alternate node will become cluster head, remaining alternate node abandons the election contest of cluster head；If alternate node does not have within the first time limit
The cluster head election contest message for receiving the broadcast of remaining alternate node, then become cluster head；
(3) cluster head broadcasts cluster message to its neighbor node, and sensor node is when setting second after receiving cluster message
Limit, if sensor node does not receive remaining cluster message within the second time limit, sensor node is added as rank and file's node
It is sent to it the cluster head of cluster message；If sensor node receives remaining cluster message within the second time limit, sensor node is made
It is selected in the multiple cluster heads for being sent to it cluster message apart from nearest addition cluster for rank and file's node；If sensor section
Point does not receive cluster message always, which becomes isolated node.
The present embodiment innovatively carries out sub-clustering to sensor node according to node density, wherein thick for sensor node
Close region chooses corresponding cluster head and carries out sub-clustering, and for sensor node sparse region, then sub-clustering mode is not used, and
Isolated node is directly determined, the present embodiment enables to the topological structure of wireless sensor network more flexible, has adaptive
Property.By collecting the environmental data of rank and file's node acquisition by cluster head, advantageously reducing energy in sensor node dense Region
Amount consumption, and sub-clustering mode is not used in sensor node sparse region, be conducive to avoid meaningless environmental data collection mistake
Journey further saves cost of energy, to save the data acquisition cost of air-conditioning and lighting energy saving control system on the whole.
In a kind of mode that can be realized, isolated node by the environmental data itself acquired by directly transmit mode or
Person's multi-hop transmission mode is sent to aggregation node, comprising:
(1) isolated node is no more than preset apart from lower limit d at a distance from aggregation nodeminWhen, isolated node will directly be adopted
The environmental data of collection is transferred to aggregation node；
(2) isolated node is more than preset apart from lower limit d at a distance from aggregation nodeminWhen, isolated node is by the ring of acquisition
Border data are sent to aggregation node by multi-hop transmission mode, specific to execute wherein when isolated node selection next-hop node:
1) isolated node determines remaining isolated node and cluster head within the scope of self communication, by the isolated section of remaining determining
Point and cluster head establish candidate node list as both candidate nodes；
2) weight of each both candidate nodes in candidate node list is calculated:
In formula, QαβFor the β both candidate nodes of isolated node a, dαβFor isolated node α and its β both candidate nodes away from
From dβoDistance for the β both candidate nodes to aggregation node, EβFor the current remaining of the β both candidate nodes,
E1Energy consumption interior per unit time for sensor node for communication, E2It is used to perceive and calculate for sensor node
Energy consumption in per unit time, E1、E2Value be fixed setting value, μ1、μ2For preset weight coefficient；
3) select the maximum both candidate nodes of weight as next-hop node, the environmental data of acquisition is sent to by isolated node
The next-hop node.
The present embodiment sets isolated node to the routing mechanism of aggregation node, and wherein isolated node is in selection next-hop section
When point, in remaining isolated node and cluster head within the scope of self communication, select weight maximum as next-hop node.This
Embodiment can save environmental data by the cost of energy of multi-hop transmission to aggregation node as far as possible, and it is each to be beneficial to balance network
The energy consumption of sensor node.
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 explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (7)
1. air-conditioning and lighting energy saving control system, including EM equipment module, which includes multiple air-conditioning devices and illumination
Device, characterized in that the system also includes the sensing device of communication connection and regulation device, sensing device is based on wireless sensing
Device network acquires environmental data, and the environmental data of acquisition is sent to regulation device；The regulation device include memory,
Analyzer for environmental data to be compared with corresponding default environmental threshold value, the control for being used to control EM equipment module work
Device, the memory, controller are all connect with the analyzer；The sensing device includes aggregation node and multiple sensor sections
Point, sensor node are mainly used for acquiring the environmental data of monitored position, and aggregation node is mainly used for converging each sensor section
The environmental data of point acquisition, and the environmental data of convergence is sent to regulation device；It is defined in sensor node communication range
Other sensors node be its neighbor node；It needs to affix one's name to multiple sensors inside the monitoring region of setting according to actual monitoring
After node, suitable sensor node is increased according to the deployment scenario of sensor node, comprising:
(1) whether each sensor node that detection has been disposed meets following density conditions, will not meet the sensor of density conditions
Node is considered as low-density node:
In formula, KiFor the node degree of sensor node i, i.e. the neighbor node number of sensor node i；N is to have disposed in network
Sensor node number, RjFor the communication distance for j-th of the sensor node disposed in network, A is the monitoring region
Area, η are preset regulatory factor, and the value range of η is [0.6,0.8]；
(2) new sensor node is disposed in the communication zone of each low-density node, specifically: to any low-density node k,
If its communication zone is Ψk, calculate the sensing region lap Ω of all neighbor nodes of low-density node kk, in Ψk-Ωk
Region in one new sensor node of random placement；
(3) (1), (2) are repeated, until low-density node is not present.
2. air-conditioning according to claim 1 and lighting energy saving control system, characterized in that the analyzer is by environmental data
It is compared with corresponding default environmental threshold value, finds out the deviation between them, corresponding control instruction is generated according to bias contribution,
And the control instruction is sent to the controller, and then control instruction controls EM equipment module work to the controller based on the received
Make.
3. air-conditioning according to claim 2 and lighting energy saving control system, characterized in that the controller includes the first control
Unit processed, the second control unit, wherein first control unit, the second control unit input terminal all connect with the analyzer,
The output end of first control unit and multiple air-conditioning devices communicate to connect, the output end of the second control unit with it is multiple described
Lighting device communication connection.
4. air-conditioning according to claim 1 and lighting energy saving control system, characterized in that sensor node includes that acquisition is single
Member, analysis and processing unit and communication unit；Acquisition unit is completed by sensor and analog-digital converter, and analysis and processing unit is by micro-
Processor and memory are completed, and communication unit is completed by wireless transceiver；The sensor includes optical sensor and temperature sensing
Device.
5. air-conditioning according to claim 1 and lighting energy saving control system, characterized in that sensor node is close according to node
Degree carries out sub-clustering, therefrom determines cluster head, rank and file's node, isolated node；Stage, rank and file's node are transmitted in environmental data
The environmental data of acquisition is sent to cluster head, the environmental data of acquisition is sent to aggregation node by cluster head；Isolated node
The environmental data that itself is acquired is sent to aggregation node by directly transmitting mode or multi-hop transmission mode.
6. air-conditioning according to claim 5 and lighting energy saving control system, characterized in that sensor node is close according to node
Degree carries out sub-clustering, comprising:
(1) aggregation node sends sub-clustering instruction to each sensor node of network, after each sensor node receives sub-clustering instruction, meter
The density factor of oneself is calculated, ifThen sensor node i becomes alternate node, and disappears to neighbor node broadcast cluster head election contest
Breath, concurrently set for the first time limit:
In formula,Indicate the density factor of sensor node i；
(2) if alternate node receives the cluster head election contest message of remaining alternate node broadcast within the first time limit, alternate node will
The current remaining of itself is compared with the current remaining of remaining alternate node, and current remaining is maximum
Alternate node will become cluster head, remaining alternate node abandons the election contest of cluster head；If alternate node does not receive within the first time limit
The cluster head broadcasted to remaining alternate node campaigns for message, then becomes cluster head；
(3) cluster head broadcasts cluster message to its neighbor node, and sensor node set for the second time limit after receiving cluster message, if
Sensor node does not receive remaining cluster message within the second time limit, and sensor node is added as rank and file's node to it
Send the cluster head of cluster message；If sensor node receives remaining cluster message within the second time limit, sensor node is as general
Logical member node selects in the multiple cluster heads for being sent to it cluster message apart from nearest addition cluster；If sensor node begins
Cluster message is not received eventually, which becomes isolated node.
7. air-conditioning according to claim 5 and lighting energy saving control system, characterized in that isolated node acquires itself
Environmental data is sent to aggregation node by directly transmitting mode or multi-hop transmission mode, comprising:
(1) isolated node is no more than preset apart from lower limit d at a distance from aggregation nodeminWhen, isolated node is directly by acquisition
Environmental data is transferred to aggregation node；
(2) isolated node is more than preset apart from lower limit d at a distance from aggregation nodeminWhen, isolated node is by the environment number of acquisition
It is sent to aggregation node according to by multi-hop transmission mode, specific to execute wherein when isolated node selection next-hop node:
1) isolated node determines remaining isolated node and cluster head within the scope of self communication, by remaining determining isolated node with
And cluster head establishes candidate node list as both candidate nodes；
2) weight of each both candidate nodes in candidate node list is calculated:
In formula, QαβFor the β both candidate nodes of isolated node α, dαβAt a distance from the β both candidate nodes of isolated node α and its,
dβoDistance for the β both candidate nodes to aggregation node, EβFor the current remaining of the β both candidate nodes, E1
Energy consumption interior per unit time for sensor node for communication, E2It is every for perceiving and calculating for sensor node
Energy consumption in unit time, E1、E2Value be fixed setting value, μ1、μ2For preset weight coefficient；
3) select the maximum both candidate nodes of weight as next-hop node, the environmental data of acquisition is sent under this by isolated node
One hop node.
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