CN109040204A - For the data processing method of gateway, gateway component and sensor network - Google Patents
For the data processing method of gateway, gateway component and sensor network Download PDFInfo
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- CN109040204A CN109040204A CN201810784046.5A CN201810784046A CN109040204A CN 109040204 A CN109040204 A CN 109040204A CN 201810784046 A CN201810784046 A CN 201810784046A CN 109040204 A CN109040204 A CN 109040204A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/16—Threshold monitoring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1008—Server selection for load balancing based on parameters of servers, e.g. available memory or workload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
Abstract
The present invention provides a kind of data transmission method for gateway, comprising: receives the acquisition data that the sensor node as acquisition node corresponding with the gateway is sent；Judge the current work load of the gateway whether more than the first predetermined load；When the current work load of the gateway is less than first predetermined load, the acquisition data that the acquisition node is sent are received；When the current work load of the gateway is more than first predetermined load, is sent to the acquisition node for sending the acquisition data and wait indication signal；When the workload of the gateway is by being more than that first predetermined load is reduced to first predetermined load or less, to the sensor node for being used as temporary node and the sensor node as acquisition node sends data acquisition request.The present invention also provides a kind of gateway components and a kind of sensor network.The data transmission method may insure sensor network data transmission efficiency with higher and higher network utilization.
Description
Technical field
The present invention relates to internet of things field, and in particular, to a kind of to be somebody's turn to do for the data processing method of gateway, a kind of execution
The gateway component of data processing method and it is a kind of include to the sensor network of gateway component.
Background technique
Important component of the sensor network as Internet of Things, including multiple sensor nodes and multiple gateways, it is described
Sensing network is responsible for the effect for obtaining physical world information and being transferred to background application.Wherein, the main function of sensor node
It can be acquisition data, gateway is used to handle (for example, data compression is whole the data that its corresponding sensor node transmits
Conjunction or protocol conversion) after, it is uploaded to background server, is used for background application.
, often there is some or gateway receive data mistake in the sensor network more complicated for some detection environment
Can not mostly handle in time and the less situation of other gateway workloads, not only reduce data-handling efficiency, also will cause resource
Waste.
Therefore, the data-handling efficiency for how improving sensor network, the utilization rate for improving sensor network become ability
Domain technical problem urgently to be resolved.
Summary of the invention
The purpose of the present invention is to provide a kind of data processing methods for gateway, a kind of execution data processing method
Gateway component and it is a kind of include to the sensor network of gateway component.The treatment effeciency of data can be improved in the data method
And improve resource utilization.
To achieve the goals above, as one aspect of the present invention, a kind of transmission side data for gateway is provided
Method, the gateway is used in the sensor network including multiple sensor nodes, and the gateway corresponds to multiple sensor nodes,
Wherein, the data transmission method includes:
Receive the acquisition data that the sensor node as acquisition node corresponding with the gateway is sent；
Judge the current work load of the gateway whether more than the first predetermined load；
When the current work load of the gateway is less than first predetermined load, receives the acquisition node and send
Acquisition data；
When the current work load of the gateway is more than first predetermined load, to adopting for the transmission acquisition data
Collect node and sends waiting indication signal；
When the workload of the gateway is by being more than that first predetermined load is reduced to first predetermined load or less
When, to the sensor node for being used as temporary node and the sensor node as acquisition node sends data acquisition request.
Preferably, the data transmission method includes:
When receiving acquisition data from the acquisition node simultaneously and from the data of the temporary node, preferentially
Handle the data from the temporary node.
Preferably, the data transmission method further include:
When the time that the workload of the gateway is more than first predetermined load being more than the predetermined time, taken to backstage
Device sending assist process of being engaged in instructs；
After receiving the assistance confirmation instruction that the background server is sent, saved to the temporary node and the acquisition
Point sends forwarding instruction, and the forwarding instruction includes the address of standby gateway, and the current work load of the standby gateway is less than
Second predetermined load, and second predetermined load is less than first predetermined load；
After sending the forwarding instruction, when the workload of the gateway is reduced to first predetermined load or less,
It is sent to the background server and cancels assistance instruction.
Preferably, the data transmission method further include:
When receiving assist process instruction, receive from sensing not corresponding with the gateway and as acquisition node
The data of the data of device and sensor that is not corresponding with the gateway and being used as temporary node；
When simultaneously receive it is not corresponding with the gateway and as acquisition node sensor data and not with it is described
Gateway is corresponding and when being used as the data of the sensor of temporary node, number of the priority processing from the sensor for being used as temporary node
According to.
As the second aspect of the invention, a kind of gateway component is provided, the gateway component is used to include multiple biographies
In the sensor network of sensor node, the gateway component is corresponding with multiple sensor nodes, wherein the gateway component includes
Gateway, communication module, judgment module and control module；
The communication module is used to receive adopting for the sensor node transmission as acquisition node corresponding with the gateway
Collect data；
The judgment module is used to judge that the current work load of the gateway whether more than the first predetermined load, and to generate
Judging result；
The control module is used for when the current work load of the gateway is less than first predetermined load, control
The communication module receives the acquisition data that acquisition node corresponding with the gateway is sent；
The control module is used to receiving the current work load for determining the gateway be more than first predetermined negative
It is generated when the judging result of lotus and waits indication signal, and controlled the communication module and the waiting indication signal is sent to transmission
The acquisition node of the acquisition data；
The control module is also used to receiving the current work load for determining the gateway be more than described first predetermined
It is received again after the judging result of load and determines that the current work load of the gateway is less than sentencing for first predetermined load
Data acquisition signal is generated when disconnected result, and controls the communication module and the data acquisition signal is sent to the workingstorage section
Point and the acquisition node.
Preferably, the control module is used to receive the acquisition from the acquisition node simultaneously in the communication module
Data and when from the data of the temporary node, control data of the gateway priority processing from the temporary node.
Preferably, the control module is used in the workload of the gateway be more than the time of first predetermined load
Assist process instruction is generated when more than the predetermined time, and controls the communication module and assist process instruction is sent to backstage
Server；
The control module is also used to true in the assistance for receiving the background server transmission by the communication module
After recognizing instruction, forwarding instruction is sent to the temporary node and the acquisition node by the communication module, the forwarding refers to
The address including standby gateway is enabled, the current work load of the standby gateway is less than the second predetermined load, and described second is pre-
Constant load is less than first predetermined load；
The control module is also used to after sending forwarding instruction, be reduced to when the workload of the gateway described in
It when below the first predetermined load, generates and cancels assistance instruction, and taken by the communication module to background server transmission
Disappear assistance instruction.
Preferably, the control module is also used to after receiving assist process instruction by the communication module, is passed through
The communication module simultaneously receive from it is not corresponding with the gateway and as acquisition node sensor data and not with
The gateway is corresponding and when being used as the Data Concurrent of the sensor of temporary node and sending to the gateway, and the control module is also used to
Control data of the gateway priority processing from the sensor for being used as temporary node.
As the third aspect of the invention, a kind of sensor network is provided, the sensor network includes multiple biographies
Sensor node and multiple gateway components, the sensor node is corresponding with scheduled gateway component with according to pre-defined rule,
In, the gateway component is the gateway component provided by the present invention；
The sensor node is used for after receiving waiting indication signal to the sensor node hair for being used as temporary node
Send acquisition data；
The sensor node is also used to receive the acquisition data of other sensors node transmission；
The sensor node is also used to when receiving data acquisition request, sends data to corresponding gateway group
Part.
Preferably, the sensor network further includes background server
Described in the background server is used to after receiving assist process instruction send to the gateway for being used as standby gateway
Assist process instruction；
The background server be also used to receive it is described disappear assistance instruction when, the cancellation assistance instruction is sent to
Gateway as standby gateway.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart of the data processing method provided by the present invention for gateway；
Fig. 2 is the module diagram of gateway component provided by the present invention；
Fig. 3 is the module diagram of sensor network provided by the present invention.
Description of symbols
210: gateway 220: communication module
230: judgment module 240: control module
311~316: sensor node
320: background server
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
As one aspect of the present invention, a kind of data transmission method for gateway is provided, the gateway is for including
In the sensor network of multiple sensor nodes, and the gateway corresponds to multiple sensor nodes, wherein as shown in Figure 1, described
Data transmission method includes:
In step s 110, the acquisition number that the sensor node as acquisition node corresponding with the gateway is sent is received
According to；
In the step s 120, judge the current work load of the gateway whether more than the first predetermined load；
In step s 130, when the current work load of the gateway is less than first predetermined load, institute is received
State the acquisition data of acquisition node transmission；
In step S140, when the current work load of the gateway is more than first predetermined load, to transmission institute
The acquisition node for stating acquisition data, which is sent, waits indication signal；
In step S150, when the workload of the gateway is by being more than that first predetermined load is reduced to described first
When below predetermined load, to the sensor node for being used as temporary node and the sensor node as acquisition node sends data
Acquisition request.
In the sensor network, including multiple sensor nodes and multiple gateways.Wherein, sensor node and gateway
Between there is corresponding relationships, for example, a gateway can correspond to multiple sensors.In the present invention, temporary to how to select
Node does not do particular/special requirement, for example, the sensor node that can be would sit idle for is as temporary node.
In the present invention, to first predetermined load, there is no special requirements.User can be according to the performance of gateway
Parameter determines first predetermined load.For example, first predetermined load can be 70% of the gateway at full capacity.
When the current work load of gateway is more than first predetermined load, data processing speed can decline.In this hair
In bright, when the current work load for judging the gateway is more than first predetermined load, no longer reception acquisition node is sent out
The acquisition data sent only handle the data that the gateway has been received, and improve processing speed.At the same time, the gateway is to hair
It send the acquisition node of the acquisition data to send and waits indication signal, which is receiving the waiting indication signal
Afterwards, acquisition data are sent to the sensor node for being used as temporary node, so as to make full use of in the sensor network
Idle node.
As mentioned above it is possible, no longer being received after the current work load of the gateway is more than first predetermined load
New data, therefore, after a period of work, load can be down under first predetermined load gateway, this
In the case of, data acquisition request is sent to the sensor node for being used as temporary node, which is receiving data acquisition
After request, the data for being temporarily stored in the node are sent to the gateway, continue to handle by the gateway.
In data transmission method provided by the present invention, it can either ensure the data processing speed of gateway, and can be abundant
Utilize the equipment in Internet of Things.
It is easily understood that when the judging result in step S120 is " work at present of the gateway, which meets, is less than institute
State the first predetermined load " when, the gateway continues to the acquisition data from acquisition node.
In order to handle data in time, it is preferable that the data transmission method includes:
In step S160, when the acquisition data received simultaneously from the acquisition node and the temporary node is come from
Data when, data of the priority processing from the temporary node.
For ease of description, the data from temporary node in step S160 are referred to as data A, by step S160
It is referred to as data B from the data of acquisition node.It is easily understood that data A is also that acquisition node is collected, and acquires section
Time of the time earlier than acquisition data B of point acquisition data A.Therefore, gateway processes data can be improved by step S160
Real-time.
Preferably, the data transmission method further include:
In step S170, when the workload of the gateway is more than first predetermined load and is more than described first pre-
When the time of constant load is more than the predetermined time, assist process instruction is issued to background server；
In step S180, after receiving the assistance confirmation instruction that the background server is sent, to the workingstorage section
Point and the acquisition node send forwarding instruction, and the forwarding instruction includes the address of standby gateway, and the standby gateway is worked as
Preceding workload is less than the second predetermined load, and second predetermined load is less than first predetermined load.
In the present invention, had no time the data of processing using the standby gateway processing current gateway in opposite idle state,
Not only the utilization rate of sensor network can be improved, but also the efficiency of data processing can be improved.
When below the load reduction of the gateway to first predetermined load, acquisition data can be continued to.Phase
Ying Di should release the stand-by state of standby gateway.Specifically, the data transmission method further include:
After sending forwarding instruction to the temporary node and the acquisition node, when the current work load of the gateway is low
When first predetermined load, is sent to the background server and cancel assistance instruction.
It should be pointed out that the standby gateway and current gateway belong to a sensor network.That is, same
In one sensor network, any one gateway all possibly serves for standby gateway.Correspondingly, the data transmission method also wraps
It includes:
In step S191, when receiving assist process instruction, receive from not corresponding with the gateway and as adopting
Collect the data of the sensor of node and the data of sensor that is not corresponding with the gateway and being used as temporary node；
In step S192, when the number for receiving sensor that is not corresponding with the gateway and being used as acquisition node simultaneously
Accordingly and when the data of sensor that is not corresponding with the gateway and being used as temporary node, priority processing, which comes from, is used as temporary node
Sensor data.
Further, the data transmission method further include:
After receiving cancellation assistance instruction, confirmation is sent to the background server and cancels assistance instruction.
As the second aspect of the invention, a kind of gateway component is provided, the gateway component is used to include multiple sensings
In the sensor network of device node, the gateway component is corresponding with multiple sensor nodes, wherein as shown in Fig. 2, the gateway
Component includes gateway 210, communication module 220, judgment module 230 and control module 240.
It should be pointed out that gateway component provided by the present invention is for executing above-mentioned data transmission provided by the present invention
Method.
Communication module 220 is for executing step S110, that is, communication module 220 is for receiving use corresponding with the gateway
Make the acquisition data that the sensor node of acquisition node is sent.
Judgment module 230 is for executing step S120, that is, judgment module 230 is used to judge that the work at present of gateway 210 to be negative
Whether lotus generates judging result more than the first predetermined load.
Control module 240 is for executing step S130 to step S150.That is, control module 240 is used for working as in gateway 210
When preceding workload is less than first predetermined load, control communication module 220 receives acquisition node corresponding with gateway 210
The acquisition data of transmission.
Control module 240 is also used to receiving the current work load for determining gateway 210 be more than first predetermined negative
It is generated when the judging result of lotus and waits indication signal, and controlled communication module 220 and the waiting indication signal is sent to transmission
The acquisition node of the acquisition data.
Control module 240 is also used to receiving the current work load for determining gateway 210 be more than first predetermined negative
The judgement knot for determining that the current work load of gateway 210 is less than first predetermined load is received after the judging result of lotus again
Data acquisition signal is generated when fruit, and control communication module 220 by the data acquisition signal be sent to the temporary node and
The acquisition node.
The advantages of above having described data transmission method provided by the present invention in detail and beneficial effect, here
It repeats no more.
In order to handle data in time, it is preferable that control module 230 is also used to execute step S160, that is, control module 240
For receiving the acquisition data from the acquisition node and the data from the temporary node simultaneously in communication module 220
When, control data of 210 priority processing of gateway from the temporary node.
Preferably, control module 240 is also used to execute step S170 and step S180.Specifically, control module 240 is used for
Assist process instruction is generated when the time that the workload of gateway 210 is more than first predetermined load is more than the predetermined time,
And it controls communication module 220 and assist process instruction is sent to background server.
Control module 240 is also used to receiving the assistance confirmation that the background server is sent by communication module 220
After instruction, forwarding instruction, the forwarding instruction packet are sent to the temporary node and the acquisition node by communication module 220
Include the address of standby gateway, the current work load of the standby gateway is less than the second predetermined load, and second predetermined negative
Lotus is less than first predetermined load.
Preferably, control module 240 is also used to after sending the forwarding instruction, when the workload of gateway 210 reduces
It when below to first predetermined load, generates and cancels assistance instruction, and sent out by communication module 220 to the background server
Send cancellation assistance instruction.
As described above, the gateway in the gateway component is also used as standby gateway, correspondingly, control module 240
It is also used to when receiving assist process instruction by communication module 220, control communication module 220, which receives, to be come from and the gateway
The data of sensor not corresponding and as acquisition node and sensor that is not corresponding with the gateway and being used as temporary node
Data Concurrent send to gateway 210, and control data of 210 priority processing of gateway from the sensor for being used as temporary node.
As the third aspect of the invention, a kind of sensor network is provided, as shown in figure 3, the sensor network packet
Include multiple sensor nodes and multiple gateway components, the sensor node with according to pre-defined rule and scheduled gateway component phase
It is corresponding, wherein the gateway component is above-mentioned gateway component provided by the present invention.
Sensor node is used to adopt after receiving waiting indication signal to the sensor node transmission for being used as temporary node
Collect data, and sensor node be also used to receive other sensors node transmission acquisition data and sensor node also
For when receiving data acquisition request, sending data to corresponding gateway component.
In the present invention, special restriction is not done to the pre-defined rule.For example, the pre-defined rule may include: away from
Sensor node from the gateway component no more than X meters is sensor node corresponding with the gateway component.Accordingly
Ground, sensor module of the distance between the described gateway component more than X meters are sensor not corresponding with the gateway component
Node.
Sensor node 311,312,313,314,315,316, gateway component A and gateway component B are shown in Fig. 3.Net
Pass component A is corresponding with sensor node 311,312,313, and gateway component B is corresponding with sensor node 314,315,316.
As mentioned above it is possible, each sensor node not only may be used as acquisition node, but also it may be used as temporary node.
When the sensor node of used temporary node receive forwarding instruction after, by this keep in node receive it is temporary
Data are sent to the gateway as standby gateway.
Preferably, the sensor network further includes background server 320, and the background server 320 is for receiving
The assist process instruction is sent to the gateway for being used as standby gateway after assist process instruction.Also, background server 320 is also used
In receive it is described disappear assistance instruction when, the cancellation assistance instruction is sent to the gateway as standby gateway.
The working principle of sensor network provided by the present invention is introduced below with reference to Fig. 3.As shown in figure 3, the sensing
Device network includes sensor node 311,312,313,314,315,316, gateway component A and gateway component B.Gateway component A with
Sensor node 311,312,313 is corresponding, and gateway component B is corresponding with sensor node 314,315,316.
For the ease of explaining, sensor node 311 to be used as to the acquisition node for sending data to gateway component A, work as gateway
When the current work load of gateway is more than the first predetermined load in component A, specified sensor node 312 is as temporary node.
Specifically, when the current work load of gateway in gateway component A be more than the first predetermined load when, gateway component A to
Sensor node 311, which is sent, waits indication signal；
After sensor node 311 receives waiting indication signal, acquisition data, sensor are sent to sensor node 312
Node 312 keeps in the data；
When the workload of gateway drops to the first predetermined load or less in gateway component A, to sensor node 311 and pass
Sensor node 312 sends data acquisition request；
After sensor node 311 and sensor node 312 receive data acquisition request, sensor node 311 directly to
Gateway component A sends acquisition data, and temporary data are sent to gateway component A by sensor node 312；
It is preferential to locate after gateway component A receives the data of data and sensor node 312 from sensor node 311
Manage the data that sensor node 312 is sent；
If after the predetermined time (for example, a hour), the workload of gateway is predetermined still above first in gateway component A
Load, gateway component A send assist process instruction to background server 320；
After background server 320 receives assist process instruction, workload is inquired in the sensor network lower than the
The gateway component (for example, gateway component B) of two predetermined loads, and as standby gateway, background server 320 is by the association
Process instruction is helped to be sent to standby gateway；
After the confirmation message for receiving gateway component B, background server 320 is sent to gateway component A assists confirmation instruction；
After gateway component A receives assistance confirmation instruction, forwarding is sent to sensor node 311 and sensor node 312
Instruction, the forwarding instruction include the address of gateway in gateway component B；
Sensor node 311 and sensor node 312 send data to gateway component B；
When the current work load of gateway in gateway component A is lower than the first predetermined load, sent out to background server 320
Send cancellation assistance instruction；
After background server 320 receives cancellation assistance instruction, is sent to gateway component B and cancel assistance instruction；
Gateway component A sends data acquisition instruction to sensor node 311, sensor node 312；
Gateway component A, gateway component B, sensor node 311, sensor node 312 restore normal working condition.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of data transmission method for gateway, the gateway is used for the sensor network including multiple sensor nodes
In, and the gateway corresponds to multiple sensor nodes, which is characterized in that the data transmission method includes:
Receive the acquisition data that the sensor node as acquisition node corresponding with the gateway is sent；
Judge the current work load of the gateway whether more than the first predetermined load；
When the current work load of the gateway is less than first predetermined load, adopting for the acquisition node transmission is received
Collect data；
When the current work load of the gateway is more than first predetermined load, to the acquisition section for sending the acquisition data
Point, which is sent, waits indication signal；
When the workload of the gateway is by being more than that first predetermined load is reduced to first predetermined load or less, to
Sensor node as temporary node and the sensor node as acquisition node send data acquisition request.
2. data transmission method according to claim 1, which is characterized in that the data transmission method includes:
When receiving acquisition data from the acquisition node simultaneously and from the data of the temporary node, priority processing
Data from the temporary node.
3. data transmission method according to claim 1 or 2, which is characterized in that the data transmission method further include:
When the time that the workload of the gateway is more than first predetermined load being more than the predetermined time, to background server
Issue assist process instruction；
After receiving the assistance confirmation instruction that the background server is sent, sent out to the temporary node and the acquisition node
Forwarding is sent to instruct, the forwarding instruction includes the address of standby gateway, and the current work load of the standby gateway is less than second
Predetermined load, and second predetermined load is less than first predetermined load；
After sending the forwarding instruction, when the workload of the gateway is reduced to first predetermined load or less, to institute
It states background server and sends and cancel assistance instruction.
4. data transmission method according to claim 3, which is characterized in that the data transmission method further include:
When receiving assist process instruction, receive from sensor that is not corresponding with the gateway and being used as acquisition node
The data of data and sensor that is not corresponding with the gateway and being used as temporary node；
When simultaneously receive it is not corresponding with the gateway and as acquisition node sensor data and not with the gateway
When the data of sensor that is corresponding and being used as temporary node, data of the priority processing from the sensor for being used as temporary node.
5. a kind of gateway component, the gateway component is used in the sensor network including multiple sensor nodes, the gateway
Component is corresponding with multiple sensor nodes, which is characterized in that the gateway component include gateway, communication module, judgment module and
Control module；
The communication module is used to receive the acquisition number that the sensor node as acquisition node corresponding with the gateway is sent
According to；
The judgment module is used to judge that the current work load of the gateway whether more than the first predetermined load, and to generate judgement
As a result；
The control module is used for when the current work load of the gateway is less than first predetermined load, described in control
Communication module receives the acquisition data that acquisition node corresponding with the gateway is sent；
The control module is used to receiving the current work load for determining the gateway be more than first predetermined load
It is generated when judging result and waits indication signal, and controlled the communication module and the waiting indication signal is sent to described in transmission
Acquire the acquisition node of data；
The control module is also used to receiving the current work load for determining the gateway be more than first predetermined load
Judging result after receive the judgement knot for determining that the current work load of the gateway is less than first predetermined load again
Data acquisition signal is generated when fruit, and control the communication module by the data acquisition signal be sent to the temporary node and
The acquisition node.
6. gateway component according to claim 5, which is characterized in that the control module is used for same in the communication module
When receive acquisition data from the acquisition node and when from the data of the temporary node, it is preferential to control the gateway
Handle the data from the temporary node.
7. gateway component according to claim 5 or 6, which is characterized in that the control module is used in the gateway
Workload, which is more than the time of first predetermined load, generates assist process instruction when being more than the predetermined time, and controls described logical
Assist process instruction is sent to background server by letter module；
The control module is also used to refer in the assistance confirmation for receiving the background server transmission by the communication module
After order, forwarding instruction, the forwarding instruction packet are sent to the temporary node and the acquisition node by the communication module
Include the address of standby gateway, the current work load of the standby gateway is less than the second predetermined load, and second predetermined negative
Lotus is less than first predetermined load；
The control module is also used to after sending the forwarding instruction, when the workload of the gateway is reduced to described first
When below predetermined load, generates and cancel assistance instruction, and sent by the communication module to the background server and cancel association
Help instruction.
8. gateway component according to claim 7, which is characterized in that the control module is also used to by the communication
After module receives assist process instruction, is received simultaneously by the communication module and come from not corresponding with the gateway and be used as
The Data Concurrent of the data of the sensor of acquisition node and sensor that is not corresponding with the gateway and being used as temporary node is sent
When to the gateway, the control module is also used to control the gateway priority processing from the sensor for being used as temporary node
Data.
9. a kind of sensor network, the sensor network includes multiple sensor nodes and multiple gateway components, the sensing
Device node is corresponding with scheduled gateway component with according to pre-defined rule, which is characterized in that the gateway component is claim 5
To gateway component described in any one of 8；
The sensor node is used to adopt after receiving waiting indication signal to the sensor node transmission for being used as temporary node
Collect data；
The sensor node is also used to receive the acquisition data of other sensors node transmission；
The sensor node is also used to when receiving data acquisition request, sends data to corresponding gateway component.
10. sensor network according to claim 9, which is characterized in that the sensor network further includes background service
Device, the gateway component are gateway component described in claim 7 or 8,
The background server is used to send the assistance to the gateway for being used as standby gateway after receiving assist process instruction
Process instruction；
The background server be also used to receive it is described disappear assistance instruction when, the cancellation assistance instruction is sent to and is used as
The gateway of standby gateway.
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