CN116754011A - Construction area environment safety state supervision detection method - Google Patents
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Abstract
The invention discloses a construction area environment safety state supervision detection method, which relates to the technical field of safety and solves the problem of improving the construction area environment safety state survey.
Description
Technical Field
The invention relates to the technical field of safety survey, in particular to a construction area environment safety state supervision and detection method.
Background
The environmental safety of the construction area is an important component part of civilized construction, a large amount of lime, fly ash and other fine dispersion materials which are easy to fly are needed in the construction process, a large amount of dust is generated in the material loading and transporting process, the environment of the construction area is greatly polluted, various vibrators, fans and electric saws generate certain noise, the safety protection net of the construction area is not set to be at proper height according to the regulations, the water pollution degree of the construction wastewater pool is too high to reach the standard for discharging polluted resident water, and the basic goal of the environmental safety state supervision and monitoring of the construction area is to realize engineering construction safety, so that the acceptance requirement of the environmental safety is met when project engineering is completed.
In the prior art, the environment safety state supervision detection of the construction area cannot monitor the conditions of smoke dust, noise, protection net height and water pollution in the construction area at the same time, cannot locate construction equipment affecting the environment safety state of the construction area, cannot automatically analyze the environment safety data and locating data of the construction area after monitoring the conditions of the smoke dust, noise, protection net height and water pollution in the construction area to obtain hidden danger information and hidden danger construction area, and cannot timely early warn hidden danger information and hidden danger construction area to remind workers.
In summary, the construction area environment safety state supervision and detection method in the prior art has the following technical disadvantages:
1. the survey range is small, and the acquisition capability of the environmental safety state supervision information of the construction area is poor;
2. the data processing capability is poor, and the processing of complex data information is difficult to realize;
the invention discloses a construction area environment safety state supervision and detection method for solving the problems.
Disclosure of Invention
Aiming at the defects of the technology, the invention discloses a construction area environment safety state supervision detection method, which is characterized in that a sensing module is used for simultaneously monitoring the conditions of smoke dust, noise, protection net height and water pollution in a construction area, an ultrasonic positioning system is used for precisely positioning construction equipment influencing the environment safety of the construction area, a wireless communication technology Zigbee and a block chain data processing unit is used for realizing real-time transmission and processing of construction area environment safety data and positioning data to obtain hidden danger information and hidden danger construction area positioning information, and a linkage early warning screen is used for displaying the hidden danger information and hidden danger construction area positioning information. Greatly improving the surveying capacity.
Analysis in view of the above, the invention provides a construction area environment safety state supervision and detection method, which comprises the following steps:
step 1, acquiring environment safety data of a real-time construction area to construct a data acquisition layer;
in the step 1, the data acquisition layer acquires environmental safety data of a real-time construction area by adopting a sensing module, the sensing module at least comprises a dust concentration sensor, a sound sensor, a height sensor and a water quality sensor, the dust concentration sensor is used for acquiring the real-time dust concentration of the environment of the construction area, the sound sensor adopts a BR-ZS1 noise monitor to acquire the noise generated by construction equipment, the height sensor adopts an infrared distance sensor GP2Y0A710K0F to acquire the height of a safety protection net, and the water quality sensor is used for acquiring the water pollution degree of a construction wastewater pond;
step 2, accurately positioning the monitored construction equipment to obtain positioning data;
in the step 2, the construction equipment is precisely positioned by adopting ultrasonic positioning system to precisely position data, wherein the ultrasonic positioning system is used for transmitting and receiving ultrasonic waves to determine the position of the monitored construction equipment;
step 3, carrying out real-time transmission on the construction area environment safety data and the positioning data to construct a network transmission unit;
in step 3, the network transmission unit adopts a wireless communication technology Zigbee to realize real-time transmission of construction area environment safety data and positioning data, the wireless communication technology Zigbee comprises a control layer, a safety layer and an application layer, the control layer is used for establishing a wireless data link and confirming data transmission and reception, the safety layer adopts an encryption transmission module to ensure the safety of data transmission, and the application layer is used for communicating with a joint device;
step 4, receiving and analyzing the construction area environment safety data and the positioning data to obtain hidden danger information and hidden danger construction areas;
in step 4, the construction area environment safety data and the positioning data are stored and analyzed by adopting a distributed data storage unit and a blockchain data processing unit to obtain hidden danger information and hidden danger construction areas, wherein the output end of the distributed data storage unit is connected with the input end of the blockchain data processing unit;
step 5, alarming the hidden danger information and hidden danger construction area positioning information;
in step 5, the hidden danger information and the hidden danger construction area positioning information are displayed by adopting a linkage early warning screen in the alarm processing.
As a further technical scheme of the invention, the dust concentration sensor adopts a CW-76S construction site dust sensor which can adapt to dust substance components in different construction areas, and the water quality sensor adopts a YSI600LS water quality sensor to simultaneously measure turbidity, PH value, dissolved oxygen and conductivity.
As a further technical scheme of the invention, the ultrasonic positioning system comprises an ultrasonic transmitting end, an ultrasonic receiving end and a computer control end, wherein the ultrasonic transmitting end adopts a double-pass ultrasonic transmitter HSNDR-D01 to transmit ultrasonic waves, the ultrasonic receiving end adopts an ultrasonic echo analysis receiver to receive the ultrasonic waves, and the working method of the computer positioning control end is as follows:
step 1, the computer sends a starting command to an ultrasonic transmitting end through a command window, and the computer waits for timing by adopting a timing program;
step 2, the ultrasonic wave transmitting end transmits ultrasonic waves to the ultrasonic wave receiver according to a starting command sent by the command window, the computer starts timing by adopting a timing program, the ultrasonic wave receiver receives the ultrasonic waves, and the timing program finishes timing to obtain timing time, and the actual transmission time of the ultrasonic waves is as follows:
in the formula (1), T is the actual transmission time of ultrasonic waves, F is the frequency of ultrasonic waves, lambda is the wavelength of ultrasonic waves, H is the diameter of an ultrasonic receiver, F is the subscript of the diameter of the ultrasonic receiver, T is the timing time of a timing program, and T max The maximum timing time is standard in a timing program, the thickness of an n ultrasonic receiver is m, the thickness of an ultrasonic transmitter is m, and the B is the first zero-value divergence angle of ultrasonic waves;
and 3, correcting the sound velocity change caused by temperature by using a sound velocity correction program by using the computer, and calculating the coordinate position of the construction equipment by using a coordinate calculation program by using the computer, wherein the coordinate positions of the construction equipment in X, Y and Z directions are as follows:
in the formula (2), X is the coordinate in the X direction, v is the sound velocity, and X 0 The starting point coordinate in the X direction is Y-direction coordinate, Y is Y 0 The coordinate of the starting point in the Y direction is Z, and Z is Z 0 Is the starting point coordinate in the Z direction.
As a further technical scheme of the invention, the control layer adopts a multi-access controller to realize data transmission, the multi-access controller establishes a wireless data link through a link reconstruction method, the link reconstruction method realizes the transmission rate of the environmental safety data and the positioning data of the construction area through flow control, the link reconstruction method accurately transmits the environmental safety data and the positioning data of the construction area through a reliable transmission mechanism, and the reliable transmission mechanism can continuously transmit the environmental safety data and the positioning data of the construction area at one time through a continuous ARQ protocol.
As a further technical scheme of the invention, the encryption transmission module adopts a network information AES encryption technology to realize the encryption transmission of construction area environment safety data and positioning data, the network information AES encryption technology selects a safety encryption flow according to an NDIS transmission standard system, the NDIS transmission standard system adopts a key manager to send a transmission assembly encryption signal to drive the encryption transmission module to encrypt, and the key manager adopts a block encryption algorithm to construct a key information base so as to be convenient for checking construction area environment safety data and positioning data.
As a further technical scheme of the invention, the working method of the block encryption algorithm comprises the following steps: the block encryption algorithm adopts a ciphertext block connection mode to carry out block encryption on the encrypted construction area environment safety data and positioning data according to the construction area equipment type, and the ciphertext block connection mode adopts an electronic codebook DES decryption to facilitate correction of the construction area environment safety data and the positioning data.
As a further technical scheme of the invention, the blockchain data processing unit obtains hidden danger information and hidden danger construction areas by adopting a real-time analysis processing technology, and the real-time analysis processing technology adopts a particle swarm optimization algorithm to construct a data analysis layer to perform iterative calculation analysis on construction area environment safety data and positioning data.
As a further technical scheme of the invention, the method for realizing data analysis processing by the data analysis layer comprises the following steps:
step 1, data extraction and classification: the data analysis layer adopts a hadoop mode-based data query system to query and extract construction area environment safety data and positioning data which are required specifically, and adopts data grouping aggregation to classify the construction area environment safety data and the positioning data according to the types of potential safety hazards of the construction area;
step 2, data cleaning and pretreatment: the data analysis layer adopts a distributed computing architecture to process the addition and deletion values and the deletion and duplication values of the construction area environment safety data and the positioning data;
step 3, data analysis and modeling: the data analysis layer adopts a continuous variable dimension reduction method to reduce the construction area environment safety data and the positioning data from high dimension to low dimension, the continuous variable dimension reduction method adopts a correlation coefficient matrix principal component analysis to perform standardized data processing on the low-dimension construction area environment safety data and the positioning data, hidden danger information and hidden danger construction area positioning information are obtained according to the construction area environment safety standard, and the correlation coefficient matrix principal component analysis result is as follows:
in the formula (3), y is the analysis result of the principal component of the correlation coefficient matrix, n is the quantity of the environment safety data and the positioning data of the low-dimensional construction area, X is the input value of the environment safety data and the positioning data of the low-dimensional construction area, q is the environment safety standard data of the construction area, i is the index of the environment safety standard data of the construction area, t is the standardized data processing time, C is the weight updating value, X (t) is the updating vector of the analysis data, and X p And (t) is the standard value of the environment safety data and the positioning data of the low-dimensional construction area, and C is the complex number set of the principal component analysis of the correlation coefficient matrix.
The invention has positive and beneficial effects different from the prior art:
the invention discloses a construction area environment safety state supervision detection method, which is characterized in that a sensing module is used for simultaneously monitoring the conditions of smoke dust, noise, protection net height and water pollution in a construction area, an ultrasonic positioning system is used for precisely positioning construction equipment influencing the construction area environment safety, a wireless communication technology Zigbee and a block chain data processing unit is used for realizing real-time transmission and processing of construction area environment safety data and positioning data to obtain hidden danger information and hidden danger construction area positioning information, and a linkage early warning screen is used for displaying the hidden danger information and hidden danger construction area positioning information.
Drawings
For a clearer description of embodiments of the invention or of solutions in the prior art, the drawings that are necessary for the description of the embodiments or of the prior art will be briefly described, it being apparent that the drawings in the description below are only some embodiments of the invention, from which, without inventive faculty, other drawings can be obtained for a person skilled in the art, in which:
FIG. 1 is a schematic diagram of the overall architecture of a construction area environment safety state supervision and detection method according to the present invention;
FIG. 2 is a schematic diagram of a sensor module architecture according to the present invention;
fig. 3 is a schematic diagram of a Zigbee structure according to a wireless communication technology of the present invention;
FIG. 4 is a flow chart of a computer positioning control ultrasonic positioning system used in the present invention;
FIG. 5 is a flow chart of a data analysis process implemented by the data analysis layer according to the present invention.
Detailed Description
The following description of the embodiments of the present disclosure will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the disclosure. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
1-5, the construction area environment safety state supervision and detection method comprises the following steps:
step 1, acquiring environment safety data of a real-time construction area to construct a data acquisition layer;
in the step 1, the data acquisition layer acquires environmental safety data of a real-time construction area by adopting a sensing module, the sensing module at least comprises a dust concentration sensor, a sound sensor, a height sensor and a water quality sensor, the dust concentration sensor is used for acquiring the real-time dust concentration of the environment of the construction area, the sound sensor adopts a BR-ZS1 noise monitor to acquire the noise generated by construction equipment, the height sensor adopts an infrared distance sensor GP2Y0A710K0F to acquire the height of a safety protection net, and the water quality sensor is used for acquiring the water pollution degree of a construction wastewater pond;
step 2, accurately positioning the monitored construction equipment to obtain positioning data;
in the step 2, the construction equipment is precisely positioned by adopting ultrasonic positioning system to precisely position data, wherein the ultrasonic positioning system is used for transmitting and receiving ultrasonic waves to determine the position of the monitored construction equipment;
step 3, carrying out real-time transmission on the construction area environment safety data and the positioning data to construct a network transmission unit;
in step 3, the network transmission unit adopts a wireless communication technology Zigbee to realize real-time transmission of construction area environment safety data and positioning data, the wireless communication technology Zigbee comprises a control layer, a safety layer and an application layer, the control layer is used for establishing a wireless data link and confirming data transmission and reception, the safety layer adopts an encryption transmission module to ensure the safety of data transmission, and the application layer is used for communicating with a joint device;
step 4, receiving and analyzing the construction area environment safety data and the positioning data to obtain hidden danger information and hidden danger construction areas;
in step 4, the construction area environment safety data and the positioning data are stored and analyzed by adopting a distributed data storage unit and a blockchain data processing unit to obtain hidden danger information and hidden danger construction areas, wherein the output end of the distributed data storage unit is connected with the input end of the blockchain data processing unit;
step 5, alarming the hidden danger information and hidden danger construction area positioning information;
in step 5, the hidden danger information and the hidden danger construction area positioning information are displayed by adopting a linkage early warning screen in the alarm processing.
In a specific embodiment, the dust concentration sensor adopts a CW-76S site dust sensor which can adapt to dust substance components in environments of different construction areas, and the water quality sensor adopts a YSI600LS water quality sensor to simultaneously measure turbidity, PH value, dissolved oxygen and conductivity.
In a further embodiment, the ultrasonic positioning system includes an ultrasonic transmitting end, an ultrasonic receiving end and a computer control end, the ultrasonic transmitting end adopts a two-way ultrasonic transmitter HSNDR-D01 to transmit ultrasonic waves, the ultrasonic receiving end adopts an ultrasonic echo analysis receiver to receive the ultrasonic waves, and the working method of the computer positioning control end is as follows:
step 1, the computer sends a starting command to an ultrasonic transmitting end through a command window, and the computer waits for timing by adopting a timing program;
step 2, the ultrasonic wave transmitting end transmits ultrasonic waves to the ultrasonic wave receiver according to a starting command sent by the command window, the computer starts timing by adopting a timing program, the ultrasonic wave receiver receives the ultrasonic waves, and the timing program finishes timing to obtain timing time, and the actual transmission time of the ultrasonic waves is as follows:
in the formula (1), T is the actual transmission time of ultrasonic waves, F is the frequency of ultrasonic waves, lambda is the wavelength of ultrasonic waves, H is the diameter of an ultrasonic receiver, F is the subscript of the diameter of the ultrasonic receiver, T is the timing time of a timing program, and T max The maximum timing time is standard in a timing program, the thickness of an n ultrasonic receiver is m, the thickness of an ultrasonic transmitter is m, and the B is the first zero-value divergence angle of ultrasonic waves;
and 3, correcting the sound velocity change caused by temperature by using a sound velocity correction program by using the computer, and calculating the coordinate position of the construction equipment by using a coordinate calculation program by using the computer, wherein the coordinate positions of the construction equipment in X, Y and Z directions are as follows:
in the formula (2), X is the coordinate in the X direction, v is the sound velocity, and X 0 The starting point coordinate in the X direction is Y-direction coordinate, Y is Y 0 The coordinate of the starting point in the Y direction is Z, and Z is Z 0 Is the starting point coordinate in the Z direction.
In a specific embodiment, the ultrasonic positioning system is a simple, accurate and practical positioning method, the mathematical model and the implementation method of the ultrasonic positioning system are simply introduced, and the measurement accuracy of the system is verified by constructing an experimental device. The experimental result shows that the device has high measurement precision, and most of the device benefits from the proposed single-chip microcomputer calculation program, and the single-chip microcomputer calculation program realizes the coordinate calculation of the object in an iterative mode, so that the device has stronger fault tolerance and is more accurate than the traditional trilateral positioning algorithm. In addition, the measuring method has good expansibility, can realize more accurate real-time positioning of the object by improving the frequency of the pulse emitted by the HSNDR-D01 of the double-pass ultrasonic emitter, can realize the drawing of the motion trail of the positioned object by an algorithm, thereby realizing the navigation positioning function, the ultrasonic positioning system also displays the coordinate of the positioned object in real time, displays the obtained position coordinates in real time by using a computer language, and constructs a visual display mode, so that the coordinate position of construction equipment has high readability.
In a specific embodiment, the speed of sound is the maximum speed of a physical quantity propagating in a medium, which changes with the change of conditions such as temperature, pressure, density and the like of the medium, and the speed of sound correction procedure is a procedure for calculating the speed of sound of the medium under different conditions, and the speed of sound correction procedure uses ideal gas law and thermodynamic relations to calculate the speed of sound of the medium, in functions, temperature is expressed in degrees celsius, humidity is expressed in percent relative humidity, and pressure is expressed in pascals. The sound velocity is larger along with the temperature when the sound velocity is processed by adopting the sound velocity correction program, the sound velocity is not greatly influenced along with the temperature when the sound velocity is processed by adopting the sound velocity correction program, and the relation between the sound velocity and the temperature is shown in the table 1:
TABLE 1 Sound velocity and temperature relationship Table
In table 1, the sound velocity correction program of the present invention is adopted, the sound velocity during the processing of the sound velocity correction program becomes larger with the rise of temperature, the influence of temperature is larger, the sound velocity during the processing of the sound velocity correction program is unchanged with the rise of temperature, the influence of temperature is smaller, and the above sound velocity correction program has outstanding technical effects.
In a further embodiment, the control layer uses a multiple access controller to realize data transmission, the multiple access controller establishes a wireless data link through a link reestablishing method, the link reestablishing method realizes the transmission rate of the construction area environment safety data and the positioning data through flow control, the link reestablishing method accurately transmits the construction area environment safety data and the positioning data through a reliable transmission mechanism, and the reliable transmission mechanism can continuously transmit the construction area environment safety data and the positioning data at one time through a continuous ARQ protocol.
In a specific embodiment, the continuous ARQ protocol means that the sender maintains a sending window with a certain size, all the construction area environmental security data and positioning data in the sending window can be continuously sent out, and no acknowledgement is needed to wait for the other party in the middle, so that the channel utilization rate is improved, and the sender slides the sending window forward by one packet position every time the sender receives one acknowledgement, the receiver generally adopts a mode of accumulating acknowledgements, that is, the receiver does not need to send acknowledgements one by one for the received construction area environmental security data and positioning data, but sends acknowledgements for the last construction area environmental security data and positioning data which arrive in sequence after receiving several construction area environmental security data and positioning data, which means: all construction area environmental safety data and positioning data up to this construction area environmental safety data and positioning data have been correctly received. The accumulation confirmation has the advantages that: easy to implement and does not have to be retransmitted even if the acknowledgement is lost.
In a further embodiment, the encryption transmission module adopts a network information AES encryption technology to realize encryption transmission of construction area environment safety data and positioning data, the network information AES encryption technology selects a safety encryption flow according to an NDIS transmission specification system, the NDIS transmission specification system adopts a key manager to send a transmission component encryption signal to drive the encryption transmission module to encrypt, and the key manager adopts a packet encryption algorithm to construct a key information base so as to facilitate checking of construction area environment safety data and positioning data.
In a further embodiment, the packet encryption algorithm working method is: the block encryption algorithm adopts a ciphertext block connection mode to carry out block encryption on the encrypted construction area environment safety data and positioning data according to the construction area equipment type, and the ciphertext block connection mode adopts an electronic codebook DES decryption to facilitate correction of the construction area environment safety data and the positioning data.
In a specific embodiment, the electronic cipher DES is a common symmetric key encryption algorithm, which encrypts a 64-bit data block into a 64-bit cipher block using a 56-bit key, encrypts construction area environment security data and positioning data using a given key, and can send this cipher text to a receiver, who can decrypt the cipher text using the same key and obtain the original construction area environment security data and positioning data, and in order to improve security, uses a longer key and periodically changes the key.
In a further embodiment, the blockchain data processing unit obtains hidden danger information and hidden danger construction areas by adopting a real-time analysis processing technology, and the real-time analysis processing technology adopts a particle swarm optimization algorithm to construct a data analysis layer to perform iterative calculation analysis on construction area environment safety data and positioning data.
In a further embodiment, the method for implementing data analysis processing by the data analysis layer includes:
step 1, data extraction and classification: the data analysis layer adopts a hadoop mode-based data query system to query and extract construction area environment safety data and positioning data which are required specifically, and adopts data grouping aggregation to classify the construction area environment safety data and the positioning data according to the types of potential safety hazards of the construction area;
step 2, data cleaning and pretreatment: the data analysis layer adopts a distributed computing architecture to process the addition and deletion values and the deletion and duplication values of the construction area environment safety data and the positioning data;
step 3, data analysis and modeling: the data analysis layer adopts a continuous variable dimension reduction method to reduce the construction area environment safety data and the positioning data from high dimension to low dimension, the continuous variable dimension reduction method adopts a correlation coefficient matrix principal component analysis to perform standardized data processing on the low-dimension construction area environment safety data and the positioning data, hidden danger information and hidden danger construction area positioning information are obtained according to the construction area environment safety standard, and the correlation coefficient matrix principal component analysis result is as follows:
in the formula (3), y is the analysis result of the principal component of the correlation coefficient matrix, n is the quantity of the environment safety data and the positioning data of the low-dimensional construction area, X is the input value of the environment safety data and the positioning data of the low-dimensional construction area, q is the environment safety standard data of the construction area, i is the index of the environment safety standard data of the construction area, t is the standardized data processing time, C is the weight updating value, X (t) is the updating vector of the analysis data, and X p And (t) is the standard value of the environment safety data and the positioning data of the low-dimensional construction area, and C is the complex number set of the principal component analysis of the correlation coefficient matrix.
In a specific embodiment, the hadoop mode data query system distributed cluster system architecture has the advantages of high availability, high fault tolerance, high expandability and the like, and a user can develop a distributed program suitable for self application under the condition that the user does not know the implementation details of the bottom layer at all. Hadoop consists of HDFS, mapReduce, HBase, hive and ZooKeeper members, wherein the two most fundamental and important components are a file system HDFS used by the bottom layer for storing all storage node files in the cluster and an engine used by the upper layer for executing a MapReduce program. The relation between the continuous variable dimension reduction method and the analysis of the principal components of the correlation coefficient matrix is as follows: the principal component analysis of the correlation coefficient matrix is to linearly combine the original variables, and the linear combination value replaces the original variables; no special assumptions are needed in principal component analysis; in the principal component analysis of the correlation coefficient matrix, a given covariance matrix or characteristic root of the correlation matrix is unique, and the principal component is generally fixed; in the principal component analysis of the correlation coefficient matrix, the number of the principal components which are not screened is certain, and the total number is equal to the number of the features.
While specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that these specific embodiments are by way of example only, and that various omissions, substitutions, and changes in the form and details of the methods and systems described above may be made by those skilled in the art without departing from the spirit and scope of the invention. For example, it is within the scope of the present invention to combine the above-described method steps to perform substantially the same function in substantially the same way to achieve substantially the same result. Accordingly, the scope of the invention is limited only by the following claims.
Claims (8)
1. A construction area environment safety state supervision and detection method is characterized in that: the method comprises the following steps:
step 1, acquiring environment safety data of a real-time construction area to construct a data acquisition layer;
in the step 1, the data acquisition layer acquires environmental safety data of a real-time construction area by adopting a sensing module, the sensing module at least comprises a dust concentration sensor, a sound sensor, a height sensor and a water quality sensor, the dust concentration sensor is used for acquiring the real-time dust concentration of the environment of the construction area, the sound sensor adopts a BR-ZS1 noise monitor to acquire the noise generated by construction equipment, the height sensor adopts an infrared distance sensor GP2Y0A710K0F to acquire the height of a safety protection net, and the water quality sensor is used for acquiring the water pollution degree of a construction wastewater pond;
step 2, accurately positioning the monitored construction equipment to obtain positioning data;
in the step 2, the construction equipment is precisely positioned by adopting ultrasonic positioning system to precisely position data, wherein the ultrasonic positioning system is used for transmitting and receiving ultrasonic waves to determine the position of the monitored construction equipment;
step 3, carrying out real-time transmission on the construction area environment safety data and the positioning data to construct a network transmission unit;
in step 3, the network transmission unit adopts a wireless communication technology Zigbee to realize real-time transmission of construction area environment safety data and positioning data, the wireless communication technology Zigbee comprises a control layer, a safety layer and an application layer, the control layer is used for establishing a wireless data link and confirming data transmission and reception, the safety layer adopts an encryption transmission module to ensure the safety of data transmission, and the application layer is used for communicating with a joint device;
step 4, receiving and analyzing the construction area environment safety data and the positioning data to obtain hidden danger information and hidden danger construction areas;
in step 4, the construction area environment safety data and the positioning data are stored and analyzed by adopting a distributed data storage unit and a blockchain data processing unit to obtain hidden danger information and hidden danger construction areas, wherein the output end of the distributed data storage unit is connected with the input end of the blockchain data processing unit;
step 5, alarming the hidden danger information and hidden danger construction area positioning information;
in step 5, the hidden danger information and the hidden danger construction area positioning information are displayed by adopting a linkage early warning screen in the alarm processing.
2. The construction area environment safety state supervision and detection method according to claim 1, wherein the method comprises the following steps: the dust concentration sensor adopts a CW-76S construction site dust sensor which can adapt to dust substance components in different construction areas, and the water quality sensor adopts a YSI600LS water quality sensor to simultaneously measure turbidity, PH value, dissolved oxygen and conductivity.
3. The construction area environment safety state supervision and detection method according to claim 1, wherein the method comprises the following steps: the ultrasonic positioning system comprises an ultrasonic transmitting end, an ultrasonic receiving end and a computer control end, wherein the ultrasonic transmitting end adopts a double-pass ultrasonic transmitter HSNDR-D01 to transmit ultrasonic waves, the ultrasonic receiving end adopts an ultrasonic echo analysis receiver to receive the ultrasonic waves, and the working method of the computer positioning control end is as follows:
step 1, the computer sends a starting command to an ultrasonic transmitting end through a command window, and the computer waits for timing by adopting a timing program;
step 2, the ultrasonic wave transmitting end transmits ultrasonic waves to the ultrasonic wave receiver according to a starting command sent by the command window, the computer starts timing by adopting a timing program, the ultrasonic wave receiver receives the ultrasonic waves, and the timing program finishes timing to obtain timing time, and the actual transmission time of the ultrasonic waves is as follows:
in the formula (1), T is the actual transmission time of ultrasonic waves, F is the frequency of ultrasonic waves, lambda is the wavelength of ultrasonic waves, H is the diameter of an ultrasonic receiver, F is the subscript of the diameter of the ultrasonic receiver, T is the timing time of a timing program, and T max The maximum timing time is standard in a timing program, the thickness of an n ultrasonic receiver is m, the thickness of an ultrasonic transmitter is m, and the B is the first zero-value divergence angle of ultrasonic waves;
and 3, correcting the sound velocity change caused by temperature by using a sound velocity correction program by using the computer, and calculating the coordinate position of the construction equipment by using a coordinate calculation program by using the computer, wherein the coordinate positions of the construction equipment in X, Y and Z directions are as follows:
in the formula (2), X is the coordinate in the X direction, v is the sound velocity, and X 0 The starting point coordinate in the X direction is Y-direction coordinate, Y is Y 0 The coordinate of the starting point in the Y direction is Z, and Z is Z 0 Is the starting point coordinate in the Z direction.
4. The construction area environment safety state supervision and detection method according to claim 4, wherein the method comprises the following steps: the control layer adopts a multi-access controller to realize data transmission, the multi-access controller establishes a wireless data link through a link reestablishing method, the link reestablishing method realizes the transmission rate of the environmental safety data and the positioning data of the construction area through flow control, the link reestablishing method accurately transmits the environmental safety data and the positioning data of the construction area through a reliable transmission mechanism, and the reliable transmission mechanism continuously transmits the environmental safety data and the positioning data of the construction area at one time through a continuous ARQ protocol.
5. The construction area environment safety state supervision and detection method according to claim 1, wherein the method comprises the following steps: the encryption transmission module adopts a network information AES encryption technology to realize encryption transmission of construction area environment safety data and positioning data, the network information AES encryption technology selects a safety encryption flow according to an NDIS transmission standard system, the NDIS transmission standard system adopts a key manager to send a transmission assembly encryption signal to drive the encryption transmission module to encrypt, and the key manager adopts a block encryption algorithm to construct a key information base so as to be convenient for checking the construction area environment safety data and the positioning data.
6. The construction area environment safety state supervision and detection method according to claim 1, wherein the method comprises the following steps: the working method of the packet encryption algorithm comprises the following steps: the block encryption algorithm adopts a ciphertext block connection mode to carry out block encryption on the encrypted construction area environment safety data and positioning data according to the construction area equipment type, and the ciphertext block connection mode adopts an electronic codebook DES decryption to facilitate correction of the construction area environment safety data and the positioning data.
7. The construction area environment safety state supervision and detection method according to claim 1, wherein the method comprises the following steps: the blockchain data processing unit obtains hidden danger information and hidden danger construction areas by adopting a real-time analysis processing technology, and the real-time analysis processing technology adopts a particle swarm optimization algorithm to construct a data analysis layer to perform iterative calculation analysis on construction area environment safety data and positioning data.
8. The construction area environment safety state supervision and detection method according to claim 8, wherein the method comprises the following steps: the method for realizing data analysis processing by the data analysis layer comprises the following steps:
step 1, data extraction and classification: the data analysis layer adopts a hadoop mode-based data query system to query and extract construction area environment safety data and positioning data which are required specifically, and adopts data grouping aggregation to classify the construction area environment safety data and the positioning data according to the types of potential safety hazards of the construction area;
step 2, data cleaning and pretreatment: the data analysis layer adopts a distributed computing architecture to process the addition and deletion values and the deletion and duplication values of the construction area environment safety data and the positioning data;
step 3, data analysis and modeling: the data analysis layer adopts a continuous variable dimension reduction method to reduce the construction area environment safety data and the positioning data from high dimension to low dimension, the continuous variable dimension reduction method adopts a correlation coefficient matrix principal component analysis to perform standardized data processing on the low-dimension construction area environment safety data and the positioning data, hidden danger information and hidden danger construction area positioning information are obtained according to the construction area environment safety standard, and the correlation coefficient matrix principal component analysis result is as follows:
in the formula (3), y is the analysis result of the principal component of the correlation coefficient matrix, n is the quantity of the environment safety data and the positioning data of the low-dimensional construction area, X is the input value of the environment safety data and the positioning data of the low-dimensional construction area, q is the environment safety standard data of the construction area, i is the index of the environment safety standard data of the construction area, t is the standardized data processing time, C is the weight updating value, X (t) is the updating vector of the analysis data, and X p And (t) is the standard value of the environment safety data and the positioning data of the low-dimensional construction area, and C is the complex number set of the principal component analysis of the correlation coefficient matrix.
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