CN105101478B - A kind of charging method and device of wireless network sensor - Google Patents
A kind of charging method and device of wireless network sensor Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- H02J7/025—
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The present invention discloses a kind of method and device of the charging of wireless network sensor, is related to wireless communication technology field, under the premise of guaranteeing charge efficiency, can solve the problems, such as that the charging energy consumption of WCV is big.The embodiment of the present invention receives the location information of each node in wireless sensor network WSN by base station；WSN is divided at least two regions, the longest distance of each regional center to edges of regions is wireless charging electric car WCV longest charging distance according to the location information of each node by base station；Base station determines the initial charge path of WCV according to the position of each regional center；Base station controls WCV, and according to initial charge path, the heart is stopped in each area respectively, and is charged simultaneously to all nodes in current docks.Scheme provided in an embodiment of the present invention is suitable for using when charging to the node in WSN.
Description
Technical field
The present invention relates to the charging methods and dress of wireless communication technology field more particularly to a kind of wireless network sensor
It sets.
Background technique
Currently, WSN (Wireless Sensor Networks, wireless sensor network) is by a large amount of static or mobile
The wireless network that constitutes of sensor, the sensor node in traditional WSN is battery powered, but the electricity of battery has
Limit, and it is non-exchange, it will lead to the finite energy of sensor node, keep the network lifetime of WSN limited.
In order to solve the problems, such as that node energy is limited, can in the wireless sensor network for having several sensor nodes,
A WCV (wireless charing vehicle, wireless charging electric car) is distributed, makes WCV periodically in wireless sensor network
It is run in network region, is the insufficient sensor node charging of energy, WSN is operated normally.As sensor node is close
The increase of degree, the sensor node quantity for needing to charge also are increasing, and WCV requires certain for the charging of each sensor node
Time, when number of sensors is excessive, it may appear that some sensor node being electrically charged does not have fully charged, other sensors also
Node the case where stopping working out of power, so, in order to improve charge efficiency, WCV can be made while being multiple sensor sections
Point charging.
However, using while for the method for multiple sensor nodes charging, if the multiple sensor sections being electrically charged simultaneously
Farther out, the charging energy consumption that will lead to WCV is big for the distance of point.
Summary of the invention
The embodiment of the present invention provides the charging method and device of a kind of wireless network sensor, can guarantee charging effect
Under the premise of rate, solve the problems, such as that the charging energy consumption of WCV is big.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
A kind of charging method of wireless network sensor, comprising:
Base station receives the location information of each node in wireless sensor network WSN；
The WSN is divided at least two regions, Mei Gequ according to the location information of each node by the base station
The longest distance of domain center to edges of regions is wireless charging electric car WCV longest charging distance；
The base station determines the initial charge path of the WCV, the initial charge according to the position of each regional center
Path is the path when WCV for the first time charges to each node in the WSN；
The base station controls the WCV, and according to the initial charge path, the heart is stopped in each area respectively, and to working as
All nodes in preceding docks charge simultaneously.
A kind of charging unit of wireless network sensor, described device are applied in base station, and described device includes:
Receiving unit, for receiving the location information of each node in wireless sensor network WSN；
The WSN is divided into multiple regions, each for the location information according to each node by division unit
The longest distance of regional center to edges of regions is wireless charging electric car WCV longest charging distance；
Determination unit determines the initial charge path of the WCV for the position according to each regional center；
Control unit, for controlling the WCV, according to the initial charge path, the heart is stopped in each area respectively, and
It charges simultaneously to all nodes in current docks.
The charging method and device of wireless network sensor provided in an embodiment of the present invention, base station receive wireless sensor network
WSN is divided into multiple regions then according to the location information of each node by the location information of each node in network WSN, is determined
The position of each regional center determines the initial charge path of WCV according to the position of each regional center, and then base station controls
WCV according to initial path, stop in each area respectively by the heart, and fills simultaneously to all nodes in current docks
Electricity.It charges simultaneously to multiple nodes with WCV is controlled in the prior art in order to improve charge efficiency, when what is be electrically charged simultaneously
Multiple nodes all distance WCV farther out when cause WCV charging consume energy compare greatly, the embodiment of the present invention to node charging before basis
WSN is divided into multiple regions by the location information of each node, since the longest distance of each regional center to edges of regions is
The longest charging distance of WCV, thus the distance between node and regional center in region be generally less than the longest charging of WCV away from
From, WCV, the heart is charging energy consumption that all nodes charging in the region reduces WCV simultaneously in the zone, and the present invention is implemented
WCV is respectively all nodes in each region according to initial charge path while charging in example, can also guarantee charge efficiency,
In conclusion the embodiment of the present invention under the premise of guaranteeing charge efficiency, can reduce the charging energy consumption of WCV.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow chart of the charging method of wireless network sensor provided in an embodiment of the present invention；
Fig. 2 is that WCV initial charge path shows in the charging method of wireless network sensor provided in an embodiment of the present invention
It is intended to；
Fig. 3 is the flow chart of the charging method of another wireless network sensor provided in an embodiment of the present invention；
Fig. 4 is the flow chart of the charging method of another wireless network sensor provided in an embodiment of the present invention；
Fig. 5 is a kind of logical construction schematic diagram of the charging unit of wireless network sensor provided in an embodiment of the present invention；
Fig. 6 is the logical construction signal of the charging unit of another wireless network sensor provided in an embodiment of the present invention
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Charging energy consumption in order to while improving charge efficiency, solve the problems, such as WCV is big, and the embodiment of the present invention provides one
The charging method of kind wireless network sensor, as shown in Figure 1, this method comprises:
101, base station obtains the location information of each node in WSN.
It should be noted that each node in WSN can be by respective positions information reporting to base station.
102, WSN is divided at least two regions, each regional center arrives according to the location information of each node by base station
The longest distance of edges of regions is WCV longest charging distance.
Wherein, the shape in region generally can be regular hexagon, the catercorner length of regular hexagon be WCV longest charge away from
From twice.
It is worth noting that after base station obtains the location information of each node, by the node division being closer same
In region, allow WCV in the zone the heart simultaneously charge to all nodes in the region.
103, base station determines the initial charge path of WCV according to the position of each regional center.
It should be noted that after base station determines the position of each regional center, it can be according to the position of each regional center
The initial charge path of reasonable planning WCV, initial charge path are road when WCV for the first time charges to each node in WSN
Diameter, specially in a WSN each regional center stop sequence, as shown in Fig. 2, by region shape be regular hexagon for, just
Circle in hexagonal area is node, and it is respectively in each regular hexagon region that base station, which can control WCV according to arrow sequence,
Node charge.
104, base station control WCV according to initial charge path, stop in each area respectively by the heart, and stops area to current
All nodes in domain charge simultaneously.
Wherein, WCV simultaneously charges to all nodes in current docks, finally needs so that current docks
Interior all nodes are fully charged.
It is worth noting that so that all nodes in current docks have been fully charged following two realization side
Formula.
The first implementation is that base station determines each node institute electricity demand before starting to charge, and then according to each
Node institute electricity demand determines the berthing time of the WCV heart in each area.
Wherein, for the node in a region, base station need to be determined respectively needed for each node in the region
Charging time, the charging time of individual node are node institute's electricity demand and WCV to the ratio of the charging rate of the node, are determined
In the region after the charging time needed for each node, choose wherein the longest charging time as the WCV heart in this region
Berthing time.
Second of implementation be, base station during charging to all nodes in current docks, if there is
Node electricity has been expired, then the node sends charging complete message to base station, is owned until base station receives in current docks
After the charging complete message of node, control WCV is moved to next regional center, carries out to all nodes in next region
Charging.
The charging method of wireless network sensor provided in an embodiment of the present invention, base station receive wireless sensor network WSN
In the location information of each node WSN is divided into multiple regions then according to the location information of each node, determine each
The position of regional center determines the initial charge path of WCV according to the position of each regional center, and then base station control WCV is pressed
According to initial path, the heart is stopped in each area respectively, and is charged simultaneously to all nodes in current docks.With
WCV is controlled to improve charge efficiency in the prior art while being charged to multiple nodes, it is multiple when being electrically charged simultaneously
Node all distance WCV farther out when cause WCV charging consume energy compare greatly, the embodiment of the present invention to node charge before according to each
WSN is divided into multiple regions by the location information of node, since the longest distance of each regional center to edges of regions is WCV's
Longest charging distance, so the distance between the node and regional center in region are generally less than the longest charging distance of WCV,
The heart is charging energy consumption that all nodes charging in the region reduces WCV to WCV simultaneously in the zone, and in the embodiment of the present invention
WCV is respectively all nodes in each region according to initial charge path while charging, and can also guarantee charge efficiency, to sum up
Described, the embodiment of the present invention under the premise of guaranteeing charge efficiency, can reduce the charging energy consumption of WCV.
In the above-described embodiments, control WCV in base station completes the initial charge to node each in WSN, completes for the first time
After charging, node can also consume electricity, in order to extend the life span of WSN, need in real time to charge to the node in WSN, institute
A kind of implementation is also provided with the embodiment of the present invention, as shown in figure 3, in above-mentioned steps 104, base station control WCV according to initial
Charge path respectively stop in each area by the heart, and to all nodes in current docks while after charging,
This method further includes following step 301 to step 304, is charged in real time to the node in WSN to realize.
301, the charge request that base station receiving node is sent, charge request are to fill when the remaining capacity of node is reduced to request
The request sent when electric threshold value.
Wherein, request charge threshold is the 30% of node total electricity.
It is understood that being after all nodes are fully charged in WCV, node can consume electricity in the operating condition, when
When the remaining capacity of node is reduced to the 30% of node total electricity, node electricity exhausts and influences the life of WSN network in order to prevent
It deposits the time, needs to send charge request to base station in time.
302, the node for sending charge request is added in charging queue for base station.
It is worth noting that the node due to sending charge request may position when base station receives multiple charge requests
In different regions, so these charge requests cannot be responded simultaneously, charging team need to be added in the node for sending charge request
In column.
It is understood that including the node for sending charge request in charging queue.
303, base station determines priority of the node of each transmission charge request received in charging queue, wherein
The priority of the product and node of the distance between the regional center of node region and WCV and node remaining capacity is in negative
It closes.
Wherein, the distance between node region center and WCV are closer, then WCV is moved to the regional center and is taken
Between and consumption energy it is fewer, and node remaining capacity is fewer, then the node is more badly in need of being electrically charged, so node region
The distance between regional center and WCV and node remaining capacity product it is smaller, the priority of node is higher.
It should be noted that in the node for determining each transmission charge request after the priority in charging queue, charging
The sequence arrangement of node from high to low according to priority in queue, the WCV of base station control at this time is in real time to the node charging in WSN
Charge path is determined according to the priority of charging queue interior joint.
304, base station control WCV is according to priority sequence from high to low respectively in each node institute for sending charge request
Belong to regional center to stop, charge simultaneously to the node of all transmission charge requests in current docks.
It is worth noting that in order to improve charge efficiency, base station can control WCV to all transmissions in current docks
The node of charge request charges, need to be by the region after the node charging complete to all transmission charge requests in the region
The charge request that interior node is sent is deleted from charging queue, to prevent base station control WCV from repeating to stop in the area.
For example, there is the charge requests of 5 nodes in charging queue, the charge request priority of this 5 nodes is from height
Sequence on earth are as follows: node A, node B, node C, node D, node E, interior joint A and node C belong to the same area, according to
The sequence of priority from high to low, base station controls the stop of WCV regional center belonging to node A first, and it is right simultaneously to control WCV
Node A and node C charges, and after node A and node C charging complete, base station should control WCV in the region belonging to node B
The heart stop, to node B charge, in order to avoid WCV to node B charging complete after, return node C affiliated area center is again to section
Point C charging, base station need to delete the charge request of node C from charging queue.
In addition, it should be noted that, there is also charging during step 304 base station control WCV charges to node
The electricity of node outside queue is reduced to request charge threshold, and base station can also receive the section while executing step 304 at this time
The charge request that point is sent, and the charge request of the node is added in charging queue, then determine the node in charging queue
In priority.
The charging method of wireless network sensor provided in an embodiment of the present invention, the charging that base station receiving node is sent are asked
Ask, charge request be added in charging queue, then determine the priority of each charge request received, control WCV according to
The sequence of priority from high to low is stopped at each node affiliated area center for sending charge request respectively, stops area to current
The node of all transmission charge requests in domain charges simultaneously.It is controlled in compared with the prior art in order to improve charge efficiency
WCV processed simultaneously charges to multiple nodes, when multiple nodes all distance WCV for being electrically charged simultaneously farther out when lead to filling for WCV
Power consumption can be compared greatly, and base station control WCV is according to priority sequence from high to low respectively in each transmission in the embodiment of the present invention
The node affiliated area center of charge request is stopped, and economize on electricity preferentially few to electricity and that distance WCV is close is charged, and can reduce node
A possibility that electric quantity consumption is complete extends the life cycle of WSN, and WCV can be simultaneously to all transmissions in current docks
The node of charge request charges, and reduces the mobile number of WCV, improves charge efficiency, and the nodal distance in region
The distance of regional center is generally less than WCV longest charging distance, and the heart can reduce WCV to the node charging in region in the zone
Charging energy consumption.
It is worth noting that in another implementation provided in an embodiment of the present invention, similar charging is sent when having
When the Node distribution of request is in different regions, such as node 1, node 2 have sent charge request, between the two nodes
Distance be less than twice of WCV longest charging distance, and the two nodes belong to different regions, respective in node 1, node 2
Region in without other nodes send charge request in the case where, base station can control WCV and be linked to be in node 1 and node 2
It charges simultaneously to node 1 and node 2 midpoint of line segment.
In conjunction with the charging method of Fig. 3 wireless sensor network described, in base station, control WCV is to the section for sending charge request
During point charging, there can be the case where remaining node is badly in need of charging in charging queue, in order to meet the node for electricity
Demand, in another implementation provided in an embodiment of the present invention, as shown in figure 4, this method further include:
401, base station receives charging queue interior joint and seizes request.
402, when the electricity of the determining current charging interior joint in base station, which reaches, to be preempted threshold value, control WCV is being sent
The node affiliated area center for seizing request is stopped, and simultaneously to the node of all transmission charge requests in current docks
It charges.
Wherein, it can be preempted 80% that threshold value is node total electricity, when the current electricity for charging interior joint has reached 80%,
These nodes will not run out of electricity in a short time, it is possible to the node for being more badly in need of charging preferentially be allowed to charge.
403, base station control WCV seizes all nodes for sending charge request in the node affiliated area of request to transmission and fills
After electricity, the nodes for seizing all transmission charge requests in the node affiliated area of request will be sent and deleted from charging queue
It removes.
404, control WCV in base station continues according to priority sequence from high to low respectively in each section for sending charge request
Point affiliated area center is stopped, and is charged simultaneously to the nodes for sending charge request all in current docks, base station
It, will be in current docks after control WCV charges to the node of all transmission charge requests in current docks
All nodes for sending charge request are deleted from charging queue.
The charging method of wireless network sensor provided in an embodiment of the present invention, base station control WCV according to priority from height
During charging to low sequence to the node for sending charge request, preferentially meet node transmission seizes request, can make
WSN better meets demand of the node in WSN to electricity, extends the life span of WSN, and reasonably plans the road of charging
Charge efficiency can be improved in diameter.
During charging to node, newly-increased node might have in WSN network, when there is newly-increased node, base station meeting
The location information that newly-increased node is sent is received, and by a region of newly-increased node division to WSN, is added in newly-increased node
When WSN, general electricity is full, so method of the newly-increased node according to ordinary node request charging, when remaining capacity is lower than request
Charge request is sent to base station when charge threshold.
Charging energy consumption in order to while improving charge efficiency, solve the problems, such as WCV is big, and the embodiment of the present invention provides one
The charging unit of kind wireless network sensor, the device are applied to filling for volume wireless network sensor described in above-described embodiment
In base station in method for electrically, as shown in figure 5, the device includes: receiving unit 501, division unit 502, determination unit 503, control
Unit 504 processed.
Receiving unit 501, for receiving the location information of each node in wireless sensor network WSN.
Division unit 502, the location information of each node for being received according to receiving unit 501, WSN is divided into
At least two regions, the longest distance of each regional center to edges of regions are wireless charging electric car WCV longest charging distance.
Determination unit 503 determines the initial charge path of WCV for the position according to each regional center, described initial
Charge path is the path when WCV for the first time charges to each node in the WSN.
Control unit 504, for controlling WCV, according to initial charge path, the heart is stopped in each area respectively, and to working as
All nodes in preceding docks charge simultaneously.
In another embodiment of the invention, as shown in fig. 6, the device further includes adding unit 505.
Receiving unit 501, is also used to the charge request of receiving node transmission, and charge request is when the remaining capacity of node drops
The request sent when as low as request charge threshold.
Wherein, request charge threshold is the 30% of node total electricity.
Adding unit 505, for charge request to be added in charging queue.
Determination unit 503, the node for each transmission charge request for being also used to determine that receiving unit 501 receives is described
The priority to charge in queue, wherein the distance between the regional center of node region and WCV and node remaining capacity
Product and the priority of node are negatively correlated.
Control unit 504 is also used to control WCV and asks respectively in each transmission charging according to the sequence of priority from high to low
The node affiliated area center asked is stopped, and is filled simultaneously to the node of all transmission charge requests in current docks
Electricity.
In another embodiment of the invention, as shown in fig. 6, the device further includes deleting unit 506.
Receiving unit 501, be also used to receive charging queue interior joint seizes request.
Control unit 504 is also used to determine that the electricity of current charging interior joint reaches control when can be preempted threshold value
WCV is sending the node affiliated area center stop for seizing request, while asking to all transmissions charging in current docks
The node asked charges.
Wherein, 80% that threshold value is node total electricity can be preempted.
Unit 506 is deleted, for controlling institute in the node affiliated area that WCV seizes request to transmission in control unit 504
After having the node charging for sending charge request, all transmission charge requests in the node affiliated area for seizing request will be sent
Node from charging queue in delete.
Control unit 504 is also used to control WCV and continues to fill in each transmission respectively according to the sequence of priority from high to low
Electricity request node affiliated area center stop, and to the node of all transmission charge requests in current docks simultaneously into
Row charging.
Unit 506 is deleted, is also used to control WCV in control unit 504 and charge to all transmissions in current docks
After the node charging of request, the node of all transmission charge requests in current docks is deleted from charging queue
It removes.
The charging unit of wireless network sensor provided in an embodiment of the present invention, receiving unit receive wireless sensor network
The location information of each node in WSN, then WSN is divided into multiple areas according to the location information of each node by division unit
Domain, determination unit determine the position of each regional center, and the initial charge road of WCV is determined according to the position of each regional center
Diameter, and then control unit control WCV according to initial path, stop in each area respectively by the heart, and in current docks
All nodes charge simultaneously.Multiple nodes are carried out simultaneously with WCV is controlled to improve charge efficiency in the prior art
Charging, when multiple nodes all distance WCV for being electrically charged simultaneously farther out when cause the charging of WCV to be consumed energy to compare greatly, present invention implementation
WSN is divided into multiple regions according to the location information of each node to before node charging by example, since each regional center arrives
The longest distance of edges of regions is the longest charging distance of WCV, so the distance between node and regional center in region one
As be less than WCV longest charging distance, WCV in the zone the heart simultaneously be in the region all nodes charging reduce WCV's
Charging energy consumption, and WCV is respectively all nodes in each region according to initial charge path while filling in the embodiment of the present invention
Electricity can also guarantee charge efficiency, in conclusion the embodiment of the present invention can reduce WCV under the premise of guaranteeing charge efficiency
Charging energy consumption.
It is apparent to those skilled in the art that for convenience and simplicity of description, only with above-mentioned each function
The division progress of module can according to need and for example, in practical application by above-mentioned function distribution by different function moulds
Block is completed, i.e., the internal structure of device is divided into different functional modules, to complete all or part of function described above
Energy.The specific work process of the system, apparatus, and unit of foregoing description, can be with reference to corresponding in preceding method embodiment
Journey, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module or
The division of unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units
Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute
Display or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit
Indirect coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
It is each that equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute the present invention
The all or part of the steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk
Etc. the various media that can store program code.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
1. a kind of charging method of wireless network sensor characterized by comprising
Base station receives the location information of each node in wireless sensor network WSN；
The base station is divided at least two regions according to the location information of each node, by the WSN, in each region
The longest distance of the heart to edges of regions is wireless charging electric car WCV longest charging distance；
The base station determines the initial charge path of the WCV, the initial charge path according to the position of each regional center
Path when charging for the first time to each node in the WSN for the WCV；
The base station controls the WCV, and according to the initial charge path, the heart is stopped in each area respectively, and to currently stopping
All nodes in region charge simultaneously.
2. the charging method of wireless network sensor according to claim 1, which is characterized in that control institute in the base station
Stating WCV, the heart is stopped in each area respectively according to the initial charge path, and to all nodes in current docks
After being charged simultaneously, the method also includes:
The charge request that the base station receiving node is sent, the charge request are to fill when the remaining capacity of node is reduced to request
The request sent when electric threshold value；
The node for sending the charge request is added in charging queue for the base station；
The base station determines priority of the node of each transmission charge request received in the charging queue, wherein
The priority of the product and node of the distance between the regional center of node region and the WCV and node remaining capacity is in
It is negatively correlated；
The base station controls the WCV according to priority sequence from high to low respectively in each node institute for sending charge request
Belong to regional center to stop, and charges simultaneously to the node of all transmission charge requests in current docks.
3. the charging method of wireless network sensor according to claim 2, which is characterized in that described in the base station control
WCV is stopped at each node affiliated area center for sending charge request respectively according to the sequence of priority from high to low, and right
The node of all transmission charge requests in current docks charges simultaneously, comprising:
The base station receives the charging queue interior joint and seizes request；
When the electricity of the determining current charging interior joint in the base station, which reaches, to be preempted threshold value, controls the WCV and sending
The node affiliated area center for seizing request is stopped, and to the node of all transmission charge requests in current docks
It charges simultaneously；
The base station controls the WCV and seizes all sections for sending charge request in the node affiliated area of request described in transmission
After point charging, the nodes for sending charge request all in the node affiliated area that request is seized described in transmission are filled from described
It is deleted in electric queue；
The base station controls the WCV and continues according to priority sequence from high to low respectively in each section for sending charge request
Point affiliated area center is stopped, and is charged simultaneously to the node of all transmission charge requests in current docks, institute
It states after base station controls the WCV to the charging of the nodes of all transmission charge requests in the current docks, by institute
The node for stating all transmission charge requests in current docks is deleted from the charging queue.
4. the charging method of wireless network sensor according to claim 3, which is characterized in that the request charge threshold
It is the 30% of node total electricity, the threshold value that is preempted is the 80% of node total electricity.
5. a kind of charging unit of wireless network sensor, which is characterized in that described device is applied in base station, described device packet
It includes:
Receiving unit, for receiving the location information of each node in wireless sensor network WSN；
The WSN is divided at least two regions, each for the location information according to each node by division unit
The longest distance of regional center to edges of regions is wireless charging electric car WCV longest charging distance；
Determination unit determines the initial charge path of the WCV for the position according to each regional center, described initially to fill
Power path is the path when WCV for the first time charges to each node in the WSN；
Control unit, for controlling the WCV, according to the initial charge path, the heart is stopped in each area respectively, and to working as
All nodes in preceding docks charge simultaneously.
6. the charging unit of wireless network sensor according to claim 5, which is characterized in that described device further include:
Adding unit；
The receiving unit, is also used to the charge request of receiving node transmission, and the charge request is the remaining capacity when node
The request sent when being reduced to request charge threshold；
The adding unit, the node for that will send the charge request are added in charging queue；
The determination unit is also used to determine that the node for each transmission charge request that the receiving unit receives is filled described
Priority in electric queue, wherein the distance between the regional center of node region and the WCV and node remaining capacity
Product and node priority it is negatively correlated；
Described control unit is also used to control the WCV and charges respectively in each transmission according to the sequence of priority from high to low
The node affiliated area center of request is stopped, and is carried out simultaneously to the node of all transmission charge requests in current docks
Charging.
7. the charging unit of wireless network sensor according to claim 6, which is characterized in that described device further include:
Delete unit；
The receiving unit, be also used to receive the charging queue interior joint seizes request；
Described control unit is also used to determine that the electricity of current charging interior joint reaches when can be preempted threshold value, described in control
The node affiliated area center that WCV seizes request described in the transmission is stopped, and is charged to all transmissions in current docks
The node of request charges simultaneously；
The deletion unit, for controlling the affiliated area of node that the WCV seizes request to the transmission in described control unit
In domain after all node chargings for sending charge request, all hairs in the node affiliated area for seizing request are sent by described
The node of charge request is sent to delete from the charging queue；
Described control unit is also used to control the WCV and continues according to priority sequence from high to low respectively in each transmission
The node affiliated area center of charge request is stopped, and simultaneously to the node of all transmission charge requests in current docks
It charges；
The deletion unit is also used to control the WCV to all hairs in the current docks in described control unit
After sending the node of charge request to charge, by the node of all transmission charge requests in the current docks from described
It is deleted in charging queue.
8. the charging unit of wireless network sensor according to claim 7, which is characterized in that the request charge threshold
It is the 30% of node total electricity, the threshold value that is preempted is the 80% of node total electricity.
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| CN107528360B (en) * | 2017-07-19 | 2019-07-19 | 北京邮电大学 | The charging method and device of wireless sensor network |
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| CN109688593B (en) * | 2019-01-10 | 2021-11-09 | 杭州电子科技大学温州研究院有限公司 | Charging base station deployment method based on core node rule |
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