CN109714792B - Data collection method, device and system - Google Patents
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Abstract
The invention provides a data collection method, a device and a system, wherein the method comprises the following steps: s1, the monitoring device receives the perception data acquired by the system gateway from the wireless sensor network; s2, the monitoring device analyzes the received perception data to obtain a corresponding analysis result, and the analysis result comprises the detected abnormal perception data; s3 the monitoring device displays all received perception data in a graph form, and displays the analysis result.
Description
Technical Field
The invention relates to the technical field of data collection and processing, in particular to a data collection method, device and system.
Background
In the related art, when a certain target is monitored in a set monitoring area, detection is usually performed by manually holding detection equipment, and then detection data is recorded into a system, so that the data collection mode is troublesome and low in efficiency. In addition, how to manage the data correspondingly to provide real-time and accurate data information for related management personnel is a problem.
Disclosure of Invention
In order to solve the above problems, the present invention provides a data collection method, device and system.
The purpose of the invention is realized by adopting the following technical scheme:
the first aspect of the present invention provides a data collection method, including:
the monitoring device receives perception data acquired by a system gateway from a wireless sensor network;
the monitoring device analyzes the received perception data to obtain a corresponding analysis result, wherein the analysis result comprises the detected abnormal perception data;
the monitoring device displays all received perception data in a graph form and displays the analysis result;
the wireless sensor network comprises a plurality of sensor nodes and a single sink node, wherein each sensor node collects sensing data of a monitored position, the sink node is communicated with the sensor nodes in a wireless communication mode, and the sensing data is collected and transmitted to the monitoring device through the system gateway.
In one possible implementation form of the first aspect of the invention, the monitoring device further stores the received perception data and the analysis result.
In one enabling form of the first aspect of the present invention, the monitoring device further supports retrieval of a logical combination of a plurality of conditions for storing data.
In an implementation manner of the embodiment of the first aspect of the present invention, the monitoring device further sends alarm information to a preset user terminal when detecting abnormal sensing data.
The second aspect of the present invention provides a data collection device, which comprises a data receiving module, a data analysis module and a data display module, which are connected in sequence, wherein:
the data receiving module is used for receiving perception data acquired by the system gateway from the wireless sensor network;
the data analysis module is used for analyzing the received sensing data to obtain a corresponding analysis result, and the analysis result comprises the detected abnormal sensing data;
the data display module is used for displaying all received perception data in a graph form and displaying the analysis result;
the wireless sensor network comprises a plurality of sensor nodes and a single sink node, wherein each sensor node collects sensing data of a monitored position, the sink node is communicated with the sensor nodes in a wireless communication mode, and the sensing data are collected and transmitted to the data receiving module through the system gateway.
In a manner that can be realized by the embodiment of the second aspect of the present invention, the data collection device further includes a data storage module, and the data storage module is used for storing the received perception data and the analysis result.
In a manner that can be realized by the embodiment of the second aspect of the present invention, the data collection device further includes a data sending module, and the data sending module sends alarm information to a preset user terminal when the data analysis module detects abnormal perception data.
A third aspect of the invention provides a data collection system comprising a wireless sensor network, a system gateway and a monitoring device for performing the data collection method as described above.
The invention has the beneficial effects that: the charging pile sensing data real-time acquisition and the charging pile sensing data transmission are achieved based on the wireless sensor network and are sent to the monitoring device to be processed, the anomaly analysis and management of the sensing data of the monitored position are achieved based on the monitoring device, accurate information can be timely provided for a user, and the charging pile sensing data monitoring system has the advantages of being high in timeliness and accuracy.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
FIG. 1 is a flow diagram of a data collection method in accordance with an exemplary embodiment of the present invention;
FIG. 2 is a block diagram illustrating the structure of a data collection device in accordance with an exemplary embodiment of the present invention;
fig. 3 is a block diagram schematically illustrating a structure of a data collection system according to an exemplary embodiment of the present invention.
Reference numerals:
the system comprises a data receiving module 1, a data analysis module 2, a data display module 3, a wireless sensor network 10, a system gateway 20 and a monitoring device 30.
Detailed Description
The invention is further described with reference to the following examples.
Referring to fig. 1, an embodiment of the first aspect of the present invention provides a data collection method, including:
s1, the monitoring device receives the perception data acquired by the system gateway from the wireless sensor network;
s2, the monitoring device analyzes the received perception data to obtain a corresponding analysis result, and the analysis result comprises the detected abnormal perception data;
s3, the monitoring device displays all received perception data in a graph form and displays the analysis result;
the wireless sensor network comprises a plurality of sensor nodes and a single sink node, wherein each sensor node collects sensing data of a monitored position, the sink node is communicated with the sensor nodes in a wireless communication mode, and the sensing data is collected and transmitted to the monitoring device through the system gateway.
In one possible implementation manner of the embodiment of the first aspect of the present invention, the monitoring device further stores the received sensing data and the analysis result.
In one enabling manner of embodiment of the first aspect of the present invention, the monitoring device further supports retrieval of a logical combination of a plurality of conditions for storing data.
In an implementation manner of the embodiment of the first aspect of the present invention, the monitoring device further sends alarm information to a preset user terminal when detecting abnormal sensing data.
As shown in fig. 2, a second aspect of the present invention provides a data collection device, which includes a data receiving module 1, a data analyzing module 2 and a data displaying module 3 connected in sequence, wherein:
the data receiving module 1 is used for receiving perception data acquired by a system gateway from a wireless sensor network;
the data analysis module 2 is configured to analyze the received sensing data to obtain a corresponding analysis result, where the analysis result includes the detected abnormal sensing data;
the data display module 3 is used for displaying all received perception data in a graph form and displaying the analysis result;
the wireless sensor network comprises a plurality of sensor nodes and a single sink node, wherein each sensor node collects sensing data of a monitored position, the sink node is communicated with the sensor nodes in a wireless communication mode, and the sensing data are collected and transmitted to the data receiving module 1 through the system gateway.
In a manner that can be realized by the embodiment of the second aspect of the present invention, the data collection device further includes a data storage module, and the data storage module is used for storing the received perception data and the analysis result.
In a manner that can be realized according to the embodiment of the second aspect of the present invention, the data collection device further includes a data sending module, and the data sending module sends alarm information to a preset user terminal when the data analysis module 2 detects abnormal perception data.
As shown in fig. 3, the third aspect of the present invention provides a data collection system, which includes a wireless sensor network 10, a system gateway 20, and a monitoring device 30, wherein the wireless sensor network 10, the system gateway 20, and the monitoring device 30 are configured to perform the data collection method as described above.
The embodiment of the invention realizes the real-time acquisition of the charging pile sensing data and the transmission of the charging pile sensing data to the monitoring device for processing based on the wireless sensor network, realizes the abnormal analysis and management of the sensing data of the monitored position based on the monitoring device, can provide accurate information for a user in time, and has the characteristics of high timeliness and accuracy.
In an implementation manner of the foregoing embodiment of the present invention, the sink node initially determines a sensor node that satisfies the following conditions as a direct communication node, determines other sensor nodes as indirect communication nodes, and broadcasts determination information to each sensor node:
in the formula, SOaIndicating the distance of the sink node from the a-th sensor node,
representing the distance of the sink node from the closest sensor node,
representing the distance of the sink node from the next closest sensor node,
representing the distance of the sink node from the farthest sensor node,
representing the distance between the aggregation node and the sensor node which is the second farthest away, wherein N is the number of the sensor nodes in the network;
every other preset period DeltaT0The sink node calculates the average value Q of the current residual energy of all the direct communication nodesavg1And calculating an average Q of the current remaining energy of all indirect communication nodesavg2When is coming into contact with
Then, the sink node selects a certain number of indirect communication nodes to update to direct communication nodes, and updates the indirect communication nodes to direct communication nodesBroadcasting new information to the certain number of indirect communication nodes;
in the sensing data transmission process, the indirect communication node selects the nearest sensor node as the next hop from the sensor nodes which are closer to the sink node in the communication range of the indirect communication node, and transmits the collected sensing data of the monitored position to the next hop; and the direct communication node directly sends the acquired sensing data to the sink node.
In the embodiment, the sensor nodes are divided into two node types, namely the direct communication nodes and the indirect communication nodes, so that the sensor nodes communicate with the sink nodes in different communication modes according to the types of the sensor nodes, and the routing flexibility between the sensor nodes and the sink nodes is improved. The corresponding distinguishing conditions are creatively provided according to the deployment conditions of the sensor nodes, so that the direct communication between a proper number of sensor nodes and the sink nodes is ensured, and the collection of perception data is ensured;
the wireless sensor network is a network formed by a large number of wireless sensor nodes in a self-organizing mode, has the characteristics of high sensor node density, frequent network topology change, good node power, calculation capability and data storage capability and the like, and can be used in the monitoring field. However, the existing wireless sensor network still has more defects due to the limited energy of the sensor nodes. Based on the problem, the embodiment further provides a conversion condition of the indirect communication node based on the energy information of each sensor node, wherein when the average energy of the direct communication node is lower than a certain condition, the sink node converts a certain number of indirect communication nodes into the direct communication node, which is beneficial to further balancing the energy of each sensor node in the network, further avoiding the occurrence of an energy void phenomenon, and improving the stability of the operation of the wireless sensor network.
In an implementation manner, after receiving the determination information broadcast by the sink node, the direct communication node acquires identification information of indirect communication nodes within a communication range of the direct communication node, and establishes an updatable node list according to the identification information;
the sink node selects a certain number of indirect communication nodes to update to direct communication nodes, and the method comprises the following steps:
(1) the sink node determines the maximum update node number X:
wherein m is the number of the current direct communication nodes,
presentation pair
Rounding the result;
wherein, if
Taking X as m;
(2) the sink node randomly selects X direct communication nodes and sends an updating instruction to the X direct communication nodes; after receiving the updating instruction, the direct communication node selects an indirect communication node according to the updatable node list of the direct communication node, and forwards the updating instruction to the selected indirect communication node, so that the indirect communication node is driven to be converted into the direct communication node;
(3) and when the updated number of the indirect communication nodes reaches a set number threshold rho or the updating times reaches a set time threshold, the sink node stops the updating operation.
Wherein ρ is the number of sensor nodes capable of directly communicating with the sink node in the network, and can be reasonably determined by experts according to network conditions.
In the embodiment, the energy information and the quantity information of the sensor nodes are taken as factors considered for determining the maximum update node quantity, and a determination formula of the maximum update node quantity is further set, so that the node quantity of the sink node updating the node communication mode in one period is more reasonable and scientific; the embodiment further sets a threshold condition for the sink node to stop the updating operation, which is beneficial to avoiding adverse effects on the operation of the wireless sensor network caused by infinitely changing the communication mode of the sensor node.
In one embodiment, the direct communication node selects an indirect communication node according to its updatable node list, and specifically performs:
(1) the direct communication node obtains the information of each indirect communication node in the updatable node list, and calculates the weight of each indirect communication node according to the information:
in the formula, HGbWeight, Q, of the b-th indirect communication node in the updatable node list representing the direct communication node GGbIs the current residual energy, Q, of the b-th indirect communication node7Is a predetermined minimum amount of energy, f (Q), required to communicate directly with the sink nodeGb-QT) To determine the value function, when QGb-QTWhen f is greater than or equal to 0, f (Q)Gb-QT) When Q is equal to 1Gb-QTWhen < 0, f (Q)Gb-QT)＝0；SGbIs a direct communication node; distance to said b-th indirect communication node, DGThe communication distance is α and β, respectively, is a preset energy influence weight and a preset distance influence weight;
(2) and the direct communication node selects the indirect communication node with the maximum weight value to forward the updating instruction.
In the embodiment, the direct communication node selects the indirect communication node needing to be updated according to the updatable node list of the direct communication node, which is beneficial to balancing energy consumption, wherein a calculation formula of the weight is correspondingly provided, the indirect communication node is determined according to the weight, the selected indirect communication node can be ensured to have enough energy to directly communicate with the sink node after the communication mode is replaced, the stability of data transmission is ensured, and on the other hand, the energy loss brought to the indirect communication node due to mode change is favorably reduced.
It will be clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the system is divided into different functional modules to perform all or part of the above described functions. For the specific working process of the system and the terminal described above, reference may be made to the corresponding process in the foregoing method embodiment, which is not described herein again.
From the above description of embodiments, it is clear for a person skilled in the art that the embodiments described herein can be implemented in hardware, software, firmware, middleware, code or any appropriate combination thereof. For a hardware implementation, a processor may be implemented in one or more of the following units: an application specific integrated circuit, a digital signal processor, a digital signal processing system, a programmable logic device, a field programmable gate array, a processor, a controller, a microcontroller, a microprocessor, other electronic units designed to perform the functions described herein, or a combination thereof. For a software implementation, some or all of the procedures of an embodiment may be performed by a computer program instructing associated hardware. In practice, the program may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a computer. The computer-readable medium can include, but is not limited to, random access memory, read only memory images, electrically erasable programmable read only memory or other optical disk storage, magnetic disk storage media or other magnetic storage systems, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. A data collection method is characterized by comprising the following steps:
the monitoring device receives perception data acquired by a system gateway from a wireless sensor network;
the monitoring device analyzes the received perception data to obtain a corresponding analysis result, wherein the analysis result comprises the detected abnormal perception data;
the monitoring device displays all received perception data in a graph form and displays the analysis result;
the wireless sensor network comprises a plurality of sensor nodes and a single sink node, wherein each sensor node collects sensing data of a monitored position, the sink node is communicated with the sensor nodes in a wireless communication mode, and the sensing data is collected and transmitted to the monitoring device through the system gateway; the sink node initially determines a sensor node satisfying the following conditions as a direct communication node, determines other sensor nodes as indirect communication nodes, and broadcasts determination information to each sensor node:
in the formula, SOaIndicating the distance of the sink node from the a-th sensor node,
representing the distance of the sink node from the closest sensor node,
representing the distance of the sink node from the next closest sensor node,
representing the distance of the sink node from the farthest sensor node,
representing the distance between the aggregation node and the sensor node which is the second farthest away, wherein N is the number of the sensor nodes in the network;
every other preset period DeltaT0The sink node calculates the average value Q of the current residual energy of all the direct communication nodesavg1And calculating an average Q of the current remaining energy of all indirect communication nodesavg2When is coming into contact with
When the sink node is in use, the sink node selects a certain number of indirect communication nodes to update the indirect communication nodes into direct communication nodes, and broadcasts update information to the certain number of indirect communication nodes;
in the sensing data transmission process, the indirect communication node selects the nearest sensor node as the next hop from the sensor nodes which are closer to the sink node in the communication range of the indirect communication node, and transmits the collected sensing data of the monitored position to the next hop; the direct communication node directly sends the acquired sensing data to the sink node;
after receiving the judgment information broadcasted by the sink node, the direct communication node acquires the identification information of the indirect communication node in the communication range of the direct communication node, and establishes an updatable node list according to the identification information;
the sink node selects a certain number of indirect communication nodes to update to direct communication nodes, and the method comprises the following steps:
(1) the sink node determines the maximum update node number X:
wherein m is the number of the current direct communication nodes,
presentation pair
Rounding the result;
wherein, if
Taking X as m;
(2) the sink node randomly selects X direct communication nodes and sends an updating instruction to the X direct communication nodes; after receiving the updating instruction, the direct communication node selects an indirect communication node according to the updatable node list of the direct communication node, and forwards the updating instruction to the selected indirect communication node, so that the indirect communication node is driven to be converted into the direct communication node;
(3) and when the updated number of the indirect communication nodes reaches a set number threshold rho or the updating times reaches a set time threshold, the sink node stops the updating operation.
2. A method as claimed in claim 1, wherein the monitoring means further stores the received sensory data and the analysis results.
3. A data collection method according to claim 2, wherein the monitoring device further supports retrieval of a logical combination of a plurality of conditions for storing data.
4. A data collection method according to claim 1, wherein the monitoring device further sends an alarm message to a predetermined user terminal when detecting abnormal sensing data.
5. The utility model provides a data collection device, characterized by, data collection device is including the data receiving module, data analysis module and the data display module that connect gradually, wherein:
the data receiving module is used for receiving perception data acquired by the system gateway from the wireless sensor network;
the data analysis module is used for analyzing the received sensing data to obtain a corresponding analysis result, and the analysis result comprises the detected abnormal sensing data;
the data display module is used for displaying all received perception data in a graph form and displaying the analysis result;
the wireless sensor network comprises a plurality of sensor nodes and a single sink node, wherein each sensor node collects sensing data of a monitored position, the sink node is communicated with the sensor nodes in a wireless communication mode, and the sensing data is collected and transmitted to the data receiving module through the system gateway; the sink node initially determines a sensor node satisfying the following conditions as a direct communication node, determines other sensor nodes as indirect communication nodes, and broadcasts determination information to each sensor node:
in the formula, SOaIndicating the distance of the sink node from the a-th sensor node,
representing the distance of the sink node from the closest sensor node,
representing the distance of the sink node from the next closest sensor node,
representing the distance of the sink node from the farthest sensor node,
representing the distance between the aggregation node and the sensor node which is the second farthest away, wherein N is the number of the sensor nodes in the network;
every other preset period DeltaT0The sink node calculates the average value Q of the current residual energy of all the direct communication nodesavg1And calculating an average Q of the current remaining energy of all indirect communication nodesavg2When is coming into contact with
When the sink node is in use, the sink node selects a certain number of indirect communication nodes to update the indirect communication nodes into direct communication nodes, and broadcasts update information to the certain number of indirect communication nodes;
in the sensing data transmission process, the indirect communication node selects the nearest sensor node as the next hop from the sensor nodes which are closer to the sink node in the communication range of the indirect communication node, and transmits the collected sensing data of the monitored position to the next hop; the direct communication node directly sends the acquired sensing data to the sink node;
after receiving the judgment information broadcasted by the sink node, the direct communication node acquires the identification information of the indirect communication node in the communication range of the direct communication node, and establishes an updatable node list according to the identification information;
the sink node selects a certain number of indirect communication nodes to update to direct communication nodes, and the method comprises the following steps:
(1) the sink node determines the maximum update node number X:
wherein m is the number of the current direct communication nodes,
presentation pair
Rounding the result;
wherein, if
Taking X as m;
(2) the sink node randomly selects X direct communication nodes and sends an updating instruction to the X direct communication nodes; after receiving the updating instruction, the direct communication node selects an indirect communication node according to the updatable node list of the direct communication node, and forwards the updating instruction to the selected indirect communication node, so that the indirect communication node is driven to be converted into the direct communication node;
(3) and when the updated number of the indirect communication nodes reaches a set number threshold rho or the updating times reaches a set time threshold, the sink node stops the updating operation.
6. A data collection device according to claim 5, further comprising a data storage module for storing the received sensory data and the analysis results.
7. The data collection device of claim 5, wherein the data collection device further comprises a data sending module, and the data sending module sends alarm information to a preset user terminal when the data analysis module detects abnormal sensing data.
8. A data collection system comprising a wireless sensor network, a system gateway and a monitoring device, the wireless sensor network, the system gateway and the monitoring device being arranged to perform the data collection method of any one of claims 2 to 4.
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