CN116489666A - Wireless sensor network construction method and system for safety monitoring - Google Patents
Wireless sensor network construction method and system for safety monitoring Download PDFInfo
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- 238000010276 construction Methods 0.000 title claims abstract description 17
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
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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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- 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
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- 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 invention provides a wireless sensor network construction method and system for safety monitoring, which belongs to the technical field of Internet of things and specifically comprises the following steps: determining a transmission stability evaluation value through historical network communication data of the wireless sensor, dividing the transmission stability evaluation value into a screening sensor and other sensors according to data quantity and real-time monitoring requirements, and setting a first-level network relay terminal for the screening sensor; dividing the area to be monitored safely to obtain a plurality of areas to be monitored, determining the setting quantity of the secondary network relay terminals in the area to be monitored based on the transmission stability evaluation value of the area to be monitored when the setting of the secondary network relay terminals is required based on the transmission stability evaluation value of the area to be monitored, and determining the setting quantity of the secondary network relay terminals in the area to be monitored by combining the quantity and the area of the primary network relay terminals in the area to be monitored, the quantity of the devices monitored by the wireless sensors and the quantity of the wireless sensors, so that the stability and the safety of data transmission are ensured.
Description
Technical Field
The invention relates to the technical field of the Internet of things, in particular to a wireless sensor network construction method and system for safety monitoring.
Background
In order to realize real-time monitoring of the safety state of a factory, in the prior art, the safety state of equipment is often monitored through a wireless sensor, but due to the complexity of the field condition of the factory, the network state of the wireless sensor can be affected to a certain extent, and meanwhile, for some core equipment, the leakage risk of operation information can exist, so that if the factors cannot be considered, the reliable monitoring of the safety state cannot be realized, and meanwhile, the leakage risk of data can also be caused.
In order to solve the problem of real-time monitoring of the safety state of a factory, in an invention patent CN115696094A, an intelligent factory potential safety hazard supervision service system, parameters such as residual current, wire temperature, environmental temperature and the like of a power supply line are monitored in real time and are subjected to data exchange with a sensing data communication base station through a wireless data transmission mechanism, so that the real-time monitoring of the safety state of the power supply is realized, but the network state of a wireless sensor is not considered to be monitored and evaluated, the network transmission mode is determined according to an evaluation result, and meanwhile, screening of core equipment is not considered, so that certain leakage risk exists in operation data of the core equipment, and the safety of the data and the reliability of monitoring of the equipment cannot be ensured.
In order to solve the technical problems, the invention provides a wireless sensor network construction method and system for safety monitoring.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a wireless sensor network construction method and system for safety monitoring.
In a first aspect, the present invention provides a method for constructing a wireless sensor network for security monitoring, which specifically includes the following steps:
s11, acquiring a wireless sensor and equipment monitored by the wireless sensor, determining the risk of data leakage through the data volume of the wireless sensor, the safety requirement of data transmission and the encryption mode of the data transmission, dividing the wireless sensor into a core sensor and a general sensor based on the risk of data leakage, and constructing data encryption measures for the core sensor;
s12, determining a transmission stability evaluation value through historical network communication data of the wireless sensor, dividing the wireless sensor into a screening sensor and other sensors according to the data volume of the wireless sensor and real-time monitoring requirements of monitored equipment, and setting a primary network relay terminal for the screening sensor;
s13, dividing the area to be monitored safely according to the number of the wireless sensors to obtain a plurality of areas to be monitored, obtaining a transmission stability evaluation value of the area to be monitored based on the area of the area to be monitored, the number of the core sensors, the number of the screening sensors and the transmission stability evaluation value of the wireless sensors, and entering step S14 when the need of setting a secondary network relay terminal for the area to be monitored is determined based on the transmission stability evaluation value;
s14, determining the set number of the secondary network relay terminals of the area to be monitored by combining the number, the area and the number of the equipment monitored by the wireless sensor of the primary network relay terminals of the area to be monitored based on the transmission stability evaluation value of the area to be monitored.
A further technical solution consists in that the security requirements of the data transmission are determined according to the type of the device monitored by the wireless sensor.
The further technical scheme is that the specific steps of the data leakage risk construction are as follows:
s21, acquiring an encryption mode of data transmission of the wireless sensor, acquiring a transmission risk evaluation value of the wireless sensor based on the encryption mode of the data transmission, determining whether the wireless sensor has a safety risk based on the transmission risk evaluation value, if so, entering a step S22, if not, determining that the wireless sensor has no safety risk, and taking the transmission risk evaluation value as a data leakage risk of the wireless sensor;
s22, acquiring the security requirement of the data transmission of the wireless sensor, determining whether the wireless sensor has a security risk or not based on the security requirement of the data transmission of the wireless sensor, if so, entering a step S24, and if not, entering a step S23;
s23, acquiring data volume of data transmission of the wireless sensor in a set time, determining a network risk evaluation value of the wireless sensor by combining the data volume of specific data types of the wireless sensor in the preset time and the quantity of different data types of the transmission, determining whether safety risks exist or not based on the network risk evaluation value, if yes, entering a step S24, if not, determining that the safety risks do not exist, and taking the network risk evaluation value as the data leakage risk of the wireless sensor;
s24, determining the risk of data leakage of the wireless sensor based on the transmission risk assessment value, the security requirement and the network risk assessment value of the wireless sensor.
The specific data type is determined according to the equipment monitored by the wireless sensor, and the specific data type is determined according to the data type of the equipment monitored by the wireless sensor, which needs encryption processing.
Further technical solutions include, but are not limited to, WPA-PSK/WPA2-PSK, WPA/WPA2, WEP.
The further technical scheme is that the wireless sensor is divided into a screening sensor and other sensors, and specifically comprises:
s31, acquiring the data volume of the wireless sensor, determining whether the wireless sensor is a screening sensor or not based on the data volume, if so, taking the wireless sensor as the screening sensor, and if not, entering step S32;
s32, acquiring the type of equipment monitored by the wireless sensor, determining a real-time monitoring requirement, determining whether the wireless sensor is a screening sensor or not based on the real-time monitoring requirement, if so, taking the wireless sensor as the screening sensor, and if not, entering step S33;
s33, acquiring historical disconnection times, network interruption times larger than set time and network interruption times of the wireless sensor through historical network communication data of the wireless sensor, determining a transmission stability evaluation value of the wireless sensor by combining network delay and packet loss rate of the wireless sensor, judging whether the transmission stability evaluation value of the wireless sensor is smaller than a first threshold value, if yes, taking the wireless sensor as a screening sensor, and if no, entering step S34;
s34, determining a transmission evaluation value by utilizing the transmission stability evaluation value, the data quantity and the real-time monitoring requirement of the monitored equipment of the wireless sensor, and dividing the wireless sensor into a screening sensor and other sensors based on the transmission evaluation value.
When the transmission stability evaluation value of the wireless sensor is greater than a second threshold value, determining that the wireless sensor is a general sensor, and determining the transmission evaluation value is not performed any more.
The further technical scheme is that when the transmission stability evaluation value of the area to be monitored is smaller than the stability requirement value, it is determined that the setting of the secondary network relay terminal is required for the area to be monitored.
In a second aspect, embodiments of the present application provide a computer system, including: a communicatively coupled memory and processor, and a computer program stored on the memory and capable of running on the processor, characterized by: the processor executes the wireless sensor network construction method for safety monitoring when running the computer program.
In a third aspect, the present invention provides a storage device having a computer program stored thereon, which when executed in a computer causes the computer to perform a wireless sensor network construction method for security monitoring as described above.
The invention has the beneficial effects that:
the data leakage risk is determined through the data volume of the wireless sensor, the safety requirement of data transmission and the encryption mode of the data transmission, so that the screening of the wireless sensor with the data leakage risk is realized, the data safety of the wireless sensor with the data leakage risk is ensured, and the safety and reliability are further ensured.
The wireless sensor is divided into a screening sensor and other sensors according to the transmission stability evaluation value, the data quantity and the real-time monitoring requirement of the wireless sensor, so that the wireless sensor with data transmission defects and the wireless sensor with higher stability of data transmission from the angles of historical data and monitored equipment are screened, and the stability of the data transmission of the wireless sensor is ensured.
The transmission stability evaluation value of the area to be monitored is obtained based on the area of the area to be monitored, and the setting of the secondary network relay terminal is required to be carried out on the area to be monitored based on the transmission stability evaluation value, so that the setting of the secondary network relay terminal is evaluated from the aspect of stability of data transmission, and the reliability and stability of the data transmission are further ensured.
Additional features and advantages will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
Fig. 1 is a flowchart of a wireless sensor network construction method for security monitoring according to embodiment 1.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.
The terms "a," "an," "the," and "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. in addition to the listed elements/components/etc.
Example 1
In order to solve the above problems, according to one aspect of the present invention, as shown in fig. 1, a method for constructing a wireless sensor network for security monitoring is provided, which specifically includes the following steps:
s11, acquiring a wireless sensor and equipment monitored by the wireless sensor, determining the risk of data leakage through the data volume of the wireless sensor, the safety requirement of data transmission and the encryption mode of the data transmission, dividing the wireless sensor into a core sensor and a general sensor based on the risk of data leakage, and constructing data encryption measures for the core sensor;
the security requirement of the data transmission is determined according to the type of the device monitored by the wireless sensor.
The specific steps of the data leakage risk construction are specifically illustrated as follows:
s21, acquiring an encryption mode of data transmission of the wireless sensor, acquiring a transmission risk evaluation value of the wireless sensor based on the encryption mode of the data transmission, determining whether the wireless sensor has a safety risk based on the transmission risk evaluation value, if so, entering a step S22, if not, determining that the wireless sensor has no safety risk, and taking the transmission risk evaluation value as a data leakage risk of the wireless sensor;
s22, acquiring the security requirement of the data transmission of the wireless sensor, determining whether the wireless sensor has a security risk or not based on the security requirement of the data transmission of the wireless sensor, if so, entering a step S24, and if not, entering a step S23;
s23, acquiring data volume of data transmission of the wireless sensor in a set time, determining a network risk evaluation value of the wireless sensor by combining the data volume of specific data types of the wireless sensor in the preset time and the quantity of different data types of the transmission, determining whether safety risks exist or not based on the network risk evaluation value, if yes, entering a step S24, if not, determining that the safety risks do not exist, and taking the network risk evaluation value as the data leakage risk of the wireless sensor;
s24, determining the risk of data leakage of the wireless sensor based on the transmission risk assessment value, the security requirement and the network risk assessment value of the wireless sensor.
It should be further noted that the specific data type is determined according to the device monitored by the wireless sensor, and the specific data type is determined according to the data type that needs to be encrypted by the device monitored by the wireless sensor.
It should be noted that the data encryption measures include, but are not limited to, any encryption mode of WPA-PSK/WPA2-PSK, WPA/WPA2, WEP.
In this embodiment, the data leakage risk is determined through the data volume of the wireless sensor, the security requirement of data transmission and the encryption mode of data transmission, so that the screening of the wireless sensor with the data leakage risk is realized, the security of the data of the wireless sensor with the data leakage risk is ensured, and the security and reliability are further ensured.
S12, determining a transmission stability evaluation value through historical network communication data of the wireless sensor, dividing the wireless sensor into a screening sensor and other sensors according to the data volume of the wireless sensor and real-time monitoring requirements of monitored equipment, and setting a primary network relay terminal for the screening sensor;
specific examples of the classification of the wireless sensor into a screening sensor and other sensors include:
s31, acquiring the data volume of the wireless sensor, determining whether the wireless sensor is a screening sensor or not based on the data volume, if so, taking the wireless sensor as the screening sensor, and if not, entering step S32;
s32, acquiring the type of equipment monitored by the wireless sensor, determining a real-time monitoring requirement, determining whether the wireless sensor is a screening sensor or not based on the real-time monitoring requirement, if so, taking the wireless sensor as the screening sensor, and if not, entering step S33;
s33, acquiring historical disconnection times, network interruption times larger than set time and network interruption times of the wireless sensor through historical network communication data of the wireless sensor, determining a transmission stability evaluation value of the wireless sensor by combining network delay and packet loss rate of the wireless sensor, judging whether the transmission stability evaluation value of the wireless sensor is smaller than a first threshold value, if yes, taking the wireless sensor as a screening sensor, and if no, entering step S34;
s34, determining a transmission evaluation value by utilizing the transmission stability evaluation value, the data quantity and the real-time monitoring requirement of the monitored equipment of the wireless sensor, and dividing the wireless sensor into a screening sensor and other sensors based on the transmission evaluation value.
Specifically, when the transmission stability evaluation value of the wireless sensor is greater than the second threshold value, the wireless sensor is determined to be a general sensor, and the transmission evaluation value is not determined any more.
In this embodiment, the wireless sensor is divided into the screening sensor and other sensors according to the transmission stability evaluation value, the data amount and the real-time monitoring requirement of the monitored device of the wireless sensor, so that the wireless sensor with the data transmission defect and the wireless sensor with higher stability of the data transmission from the perspective of the historical data and the perspective of the monitored device are screened, and the stability of the data transmission of the wireless sensor is ensured.
S13, dividing the area to be monitored safely according to the number of the wireless sensors to obtain a plurality of areas to be monitored, obtaining a transmission stability evaluation value of the area to be monitored based on the area of the area to be monitored, the number of the core sensors, the number of the screening sensors and the transmission stability evaluation value of the wireless sensors, and entering step S14 when the need of setting a secondary network relay terminal for the area to be monitored is determined based on the transmission stability evaluation value;
specifically, the method for evaluating the transmission stability evaluation value of the area to be monitored includes:
s41, acquiring a transmission stability evaluation value of a wireless sensor of the area to be monitored, acquiring the number of wireless sensors with the transmission stability evaluation value larger than a second threshold value and the number of wireless sensors with the transmission stability evaluation value smaller than a first threshold value based on the transmission stability evaluation value of the wireless sensor, carrying out a network stability evaluation value of the area to be monitored by combining the sum and the average value of the transmission stability evaluation values of the wireless sensors, and determining whether the area to be monitored needs to be provided with a secondary network relay terminal based on the network stability evaluation value of the area to be monitored, if yes, taking the network stability of the area to be monitored as the transmission stability evaluation value of the area to be monitored, otherwise, entering step S42;
s42, obtaining a corrected network stability evaluation value of the area to be monitored based on the area of the area to be monitored and the network stability evaluation value of the area to be monitored, judging whether the corrected network stability evaluation value of the area to be monitored meets the requirement, if so, entering step S43, and if not, entering step S44;
s43, based on the number of core sensors and the number of screening sensors in the area to be monitored, combining the network stability evaluation values of the area to be monitored to obtain network stability evaluation values corrected by the number of the area to be monitored, judging whether the network stability evaluation values corrected by the number of the area to be monitored meet the requirements, if yes, entering a step S44, and if not, determining that the setting of a secondary network relay terminal is not needed;
s44, based on the area of the area to be monitored, the number of core sensors and the number of screening sensors, combining the network stability evaluation value of the wireless sensor to obtain a transmission stability evaluation value of the area to be monitored, and determining whether the setting of the secondary network relay terminal is required or not based on the transmission stability evaluation value of the area to be monitored.
It can be understood that when the transmission stability evaluation value of the area to be monitored is smaller than the stability requirement value, it is determined that the setting of the secondary network relay terminal is required for the area to be monitored.
In the embodiment, the transmission stability evaluation value of the area to be monitored is obtained based on the area and the like of the area to be monitored, and the setting of the secondary network relay terminal is required to be performed on the area to be monitored based on the transmission stability evaluation value, so that the setting of the secondary network relay terminal is evaluated from the aspect of data transmission stability, and the reliability and the stability of data transmission are further ensured.
S14, determining the set number of the secondary network relay terminals of the area to be monitored by combining the number, the area and the number of the equipment monitored by the wireless sensor of the primary network relay terminals of the area to be monitored based on the transmission stability evaluation value of the area to be monitored.
Specifically, the method for determining the set number of the secondary network relay terminals in the area to be monitored includes:
s51, determining the basic set number of the secondary network relay terminals of the area to be monitored according to the number of the wireless sensors of the area to be monitored and the number of the primary network relay terminals of the area to be monitored;
s52, acquiring the area of the area to be monitored, determining whether the basic set number of the secondary network relay terminals meets the requirement or not based on the area of the area to be monitored, if so, entering a step S53, and if not, entering a step S54;
s53, acquiring a transmission stability evaluation value of the area to be monitored and the number of devices of the area to be monitored, acquiring the evaluation number of the secondary network relay terminals of the area to be monitored, judging whether the basic set number of the secondary network relay terminals is smaller than the evaluation number, if so, entering a step S54, and if not, taking the basic set number of the secondary network relay terminals of the area to be monitored as the set number of the secondary network relay terminals of the area to be monitored;
s54, obtaining the correction quantity of the secondary network relay terminals of the area to be monitored based on the transmission stability evaluation value of the area to be monitored, the quantity and the area of the equipment of the area to be monitored and combining the quantity of the core sensors of the area to be monitored, and determining the setting quantity of the secondary network relay terminals of the area to be monitored based on the basic setting quantity and the correction quantity.
Example 2
In an embodiment of the present application, a computer system is provided, including: a communicatively coupled memory and processor, and a computer program stored on the memory and capable of running on the processor, characterized by: the processor executes the wireless sensor network construction method for safety monitoring when running the computer program.
Example 3
The invention provides a storage device, on which a computer program is stored, which when executed in a computer causes the computer to execute a wireless sensor network construction method for safety monitoring as described above.
In the several embodiments provided in this application, it should be understood that the disclosed systems and methods may be implemented in other ways as well. The system embodiments described above are merely illustrative, for example, of the flowcharts and block diagrams in the figures that illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present invention may be integrated together to form a single part, or each module may exist alone, or two or more modules may be integrated to form a single part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored on a computer readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method of the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read Only Memory (ROM), a random access memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. The wireless sensor network construction method for safety monitoring is characterized by comprising the following steps of:
acquiring a wireless sensor and equipment monitored by the wireless sensor, determining the risk of data leakage through the data volume of the wireless sensor, the security requirement of data transmission and the encryption mode of the data transmission, dividing the wireless sensor into a core sensor and a general sensor based on the risk of data leakage, and constructing a data encryption measure for the core sensor;
determining a transmission stability evaluation value through historical network communication data of the wireless sensor, dividing the wireless sensor into a screening sensor and other sensors according to the data volume of the wireless sensor and real-time monitoring requirements of monitored equipment, and setting a primary network relay terminal for the screening sensor;
dividing the areas needing to be monitored safely according to the number of the wireless sensors to obtain a plurality of areas to be monitored, obtaining a transmission stability evaluation value of the areas to be monitored based on the areas of the areas to be monitored, the number of the core sensors, the number of the screening sensors and the transmission stability evaluation value of the wireless sensors, and entering the next step when the need of setting a secondary network relay terminal for the areas to be monitored is determined based on the transmission stability evaluation value;
and determining the set number of the secondary network relay terminals of the area to be monitored by combining the number, the area and the number of the wireless sensor monitoring devices of the primary network relay terminals of the area to be monitored based on the transmission stability evaluation value of the area to be monitored.
2. A method of constructing a wireless sensor network for security monitoring as defined in claim 1, wherein the security requirements of the data transmission are determined based on the type of device being monitored by the wireless sensor.
3. The method for constructing a wireless sensor network for safety monitoring according to claim 1, wherein the specific steps of constructing the data leakage risk are as follows:
s21, acquiring an encryption mode of data transmission of the wireless sensor, acquiring a transmission risk evaluation value of the wireless sensor based on the encryption mode of the data transmission, determining whether the wireless sensor has a safety risk based on the transmission risk evaluation value, if so, entering a step S22, if not, determining that the wireless sensor has no safety risk, and taking the transmission risk evaluation value as a data leakage risk of the wireless sensor;
s22, acquiring the security requirement of the data transmission of the wireless sensor, determining whether the wireless sensor has a security risk or not based on the security requirement of the data transmission of the wireless sensor, if so, entering a step S24, and if not, entering a step S23;
s23, acquiring data volume of data transmission of the wireless sensor in a set time, determining a network risk evaluation value of the wireless sensor by combining the data volume of specific data types of the wireless sensor in the preset time and the quantity of different data types of the transmission, determining whether safety risks exist or not based on the network risk evaluation value, if yes, entering a step S24, if not, determining that the safety risks do not exist, and taking the network risk evaluation value as the data leakage risk of the wireless sensor;
s24, determining the risk of data leakage of the wireless sensor based on the transmission risk assessment value, the security requirement and the network risk assessment value of the wireless sensor.
4. A method of constructing a wireless sensor network for security monitoring as claimed in claim 3, wherein the specific data type is determined according to the device monitored by the wireless sensor, and the specific data type is determined according to the data type of the device monitored by the wireless sensor that needs encryption processing.
5. A method of wireless sensor network construction for security monitoring as claimed in claim 1, wherein the data encryption means includes, but is not limited to, WPA-PSK/WPA2-PSK, WPA/WPA2, WEP.
6. The method for constructing a wireless sensor network for safety monitoring according to claim 1, wherein the wireless sensor is divided into a screening sensor and other sensors, and specifically comprises:
acquiring the data volume of the wireless sensor, determining whether the wireless sensor is a screening sensor or not based on the data volume, if so, taking the wireless sensor as the screening sensor, and if not, entering the next step;
acquiring the type of equipment monitored by the wireless sensor, determining a real-time monitoring requirement, determining whether the wireless sensor is a screening sensor or not based on the real-time monitoring requirement, if so, taking the wireless sensor as the screening sensor, and if not, entering the next step;
acquiring historical disconnection times, times of network interruption greater than set time and network interruption times of the wireless sensor through historical network communication data of the wireless sensor, determining a transmission stability evaluation value of the wireless sensor by combining network delay and packet loss rate of the wireless sensor, judging whether the transmission stability evaluation value of the wireless sensor is smaller than a first threshold value, if yes, taking the wireless sensor as a screening sensor, and if no, entering the next step;
and determining a transmission evaluation value by utilizing the transmission stability evaluation value, the data quantity and the real-time monitoring requirement of the monitored equipment of the wireless sensor, and dividing the wireless sensor into a screening sensor and other sensors based on the transmission evaluation value.
7. The method for constructing a wireless sensor network for safety monitoring according to claim 1, wherein when the transmission stability evaluation value of the wireless sensor is greater than a second threshold value, the wireless sensor is determined to be a general sensor, and the determination of the transmission evaluation value is not performed any more.
8. The method for constructing a wireless sensor network for safety monitoring according to claim 1, wherein when the transmission stability evaluation value of the area to be monitored is smaller than the stability requirement value, it is determined that the setting of the secondary network relay terminal is required for the area to be monitored.
9. A computer system, comprising: a communicatively coupled memory and processor, and a computer program stored on the memory and capable of running on the processor, characterized by: the wireless sensor network construction method for safety monitoring according to any one of claims 1-8, when the processor runs the computer program.
10. A storage device having stored thereon a computer program which, when executed in a computer, causes the computer to perform a wireless sensor network construction method for security monitoring as claimed in any one of claims 1 to 8.
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