CN117253350A - Building construction site safety precaution system based on multisensor - Google Patents
Building construction site safety precaution system based on multisensor Download PDFInfo
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- 238000010276 construction Methods 0.000 claims abstract description 119
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- 238000013500 data storage Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims description 34
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- 238000005259 measurement Methods 0.000 claims description 6
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- 230000005540 biological transmission Effects 0.000 claims description 3
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- 208000012260 Accidental injury Diseases 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B31/00—Predictive alarm systems characterised by extrapolation or other computation using updated historic data
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/80—Arrangements in the sub-station, i.e. sensing device
- H04Q2209/84—Measuring functions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a multi-sensor-based building construction site safety early warning system, which relates to the technical field of safety early warning, and comprises the steps of acquiring operation data of hoisting equipment, conditions of constructors and ground environment of a construction site by installing various sensors, acquiring a first data set, a second data set and a third data set, and calculating to obtain the following components: hoisting a safety early warning index Aqyj, a facility safety coefficient Sdaq, a personnel safety coefficient Ryaq and a construction site ground environment coefficient Xcdm, comparing the safety early warning index Aqyj, the facility safety coefficient Sdaq, the personnel safety coefficient Ryaq and the construction site ground environment coefficient Xcdm with a preset safety threshold value, acquiring a grade scheme, establishing a data storage system, storing and backing up various sensor data, establishing a remote monitoring platform, enabling a manager to remotely monitor the safety condition of a construction site in real time, remotely controlling key equipment, immediately triggering an early warning mechanism when the system recognizes potential safety hazards, sending an alarm notification to related personnel, and simultaneously providing counter measure suggestions by the system.
Description
Technical Field
The invention relates to the technical field of safety early warning, in particular to a multi-sensor-based safety early warning system for a construction site.
Background
In large building construction sites, the safety of a hoisting area is always an important concern, and since hoisting operation involves heavy equipment and large building materials for transportation, the safety of the hoisting area directly affects the life safety of workers and the integrity of field equipment, once the hoisting area has potential safety hazards, serious accidents can be caused, casualties, property loss and even engineering stagnation are caused, and immeasurable influence is caused on engineering progress and quality.
However, in the conventional construction site management, there are many defects and shortcomings in the construction site of the hoisting area, the conventional safety early warning means is limited by a single sensor, it is difficult to comprehensively monitor and early warn the safety risk of the construction site, missed detection and delay treatment of potential safety hazards are easily caused, and part of the construction site lacks a systematic safety early warning mechanism, when the potential safety hazards occur, the early warning mechanism and emergency treatment measures are often not effectively triggered in time, so that situation deterioration or unnecessary accidents occur, therefore, a comprehensive safety early warning system based on multiple sensors is required to solve various problems and defects in the conventional safety management, and the safety and management level of the construction site are improved.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a multi-sensor-based building construction site safety early warning system, which solves the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: a multi-sensor-based building construction site safety early warning system comprises a distributed sensor installation module, a regional data acquisition module, a data processing module, a regional early warning module, a regional data backup module and a remote control module;
the distributed sensor installation module is used for installing various sensors in a distributed manner on construction sites of a plurality of hoisting areas, and configuring sensor networks of all areas and data transmission among sensors of all areas;
the area data acquisition module is used for acquiring hoisting equipment data of a building construction site in real time through multiple sensors in areas, and comprises a data processing module for acquiring operation data of the hoisting equipment as a first data set, acquiring conditions of constructors as a second data set, acquiring ground flatness of the building construction site and crossing distance of equipment as a third data set, and transmitting the acquired data to respective areas through sensors in the areas;
The data processing module is used for intelligently analyzing the real-time data in the area, recording and processing the first data set, the second data set and the third data set in a digital form in real time, and combining calculation to obtain: hoisting a safety early warning index Aqyj;
the hoisting safety early warning index Aqyj is obtained through calculation according to the following formula:
；
wherein Ssaq represents a facility safety coefficient, ryaq represents a personnel safety coefficient, xcdm represents a construction site ground environment coefficient, and q, w and e represent proportional coefficients of the facility safety coefficient Ssaq, the personnel safety coefficient Ryaq and the construction site ground environment coefficient Xcdm, respectively;
wherein,，/>，/>and (2) is (are) of>R represents a correction constant;
the facility safety coefficient Sdaq is obtained through calculation of a first data set;
the personnel safety coefficient Ryaq is obtained through calculation of a second data set;
the construction site ground environment coefficient Xcdm is obtained through calculation of a third data set;
the area early warning module is used for comparing the hoisting safety early warning index Aqyj with a preset safety threshold value to obtain a grade scheme;
the regional data backup module is used for establishing a data storage system and storing and backing up various sensor data so that the data can be stored for a long time and safely;
The remote control module is used for building a remote monitoring platform, so that a manager can remotely monitor the safety condition of a construction site in real time, remotely control key equipment, immediately trigger an early warning mechanism when the system identifies potential safety hazards, send alarm notification to related personnel, and simultaneously provide countermeasure suggestions.
Preferably, the distributed sensor installation module comprises a sensor installation unit and a sensor network configuration unit;
the sensor mounting unit is used for mounting various sensor devices, including a load sensor, a height sensor, an inclination sensor, a tension sensor, a motion sensor, a video monitoring sensor, a personnel positioning sensor, a safety equipment sensor, a ground flatness monitoring sensor and a safety distance monitoring sensor, and is arranged on building construction sites in different hoisting areas in a distributed manner;
the sensor network configuration unit is used for configuring network connection among the area sensors.
Preferably, the area data acquisition module comprises a hoisting equipment data acquisition unit, a constructor data acquisition unit and a ground condition data acquisition unit;
the hoisting equipment data acquisition unit is used for acquiring operation data of hoisting equipment of a construction site in real time through a load sensor, a height sensor, an inclination sensor, a tension sensor and a motion sensor, wherein the operation data comprises equipment operation state, load condition and working time as a first data set;
The constructor data acquisition unit is used for acquiring working condition and safety condition data of constructors in a building construction site in real time through the video monitoring sensor, the personnel positioning sensor and the safety equipment sensor, wherein the working condition data comprises the number of the constructors, the working condition data and the wearing condition of the safety equipment data, and the working condition data are used as a second data set;
the ground condition data acquisition unit is used for acquiring data of ground flatness and a hoisting equipment crossing distance of a hoisting area of a building construction site through the ground flatness monitoring sensor and the safety distance monitoring sensor, and is used for monitoring the safety distance between the ground flatness and the hoisting equipment in real time to be used as a third data set;
the first data set includes: hoisting equipment tension value Sbzl, hoisting equipment bearing value Sbcz, hoisting equipment amplitude value Sbfd and hoisting equipment running speed value Sbsd;
the second data set includes: personnel safety distance Ryjj and personal protective equipment wear rate Zbpd;
the third data set includes: the foundation bearing capacity Djcz, the ground flatness Dmpz of the hoisting area and the hoisting area crossing safety distance value JCaq;
and the hoisting area crossing safety distance value JCaq is measured by laser ranging.
Preferably, the data processing module comprises an image processing unit, a data conversion unit and a data processing unit;
the image processing unit is used for processing multi-frame images acquired by the video monitoring sensor, including image denoising, image enhancement and image contrast adjustment, and detecting and tracking target personnel and safety equipment in the images by using the personnel positioning sensor and the safety equipment sensor;
the data conversion unit is used for establishing a proportional relation method through the data acquired by the area data acquisition module, and converting the pixel distance value between the data detected in the video monitoring sensor and the actual hoisting construction area into a physical distance value of the actual hoisting construction area;
the proportional relation method determines the proportional relation between the pixel distance value and the actual physical distance in the video monitoring sensor by carrying out accurate measurement in the actual field;
the data processing unit is used for carrying out format conversion on the collected first data set, second data set and third data set, recording the data in a digital form, carrying out real-time processing, and combining calculation and acquisition: hoisting safety early warning index Aqyj, facility safety coefficient Sdaq, personnel safety coefficient Ryaq and construction site ground environment coefficient Xcdm.
Preferably, the facility safety factor Ssaq is obtained by calculating the following formula:
；
wherein, sbzl represents a tension value of the hoisting equipment, sbcz represents a bearing value of the hoisting equipment, sbfd represents an amplitude value of the hoisting equipment, sbsd represents an operation speed value of the hoisting equipment, and t, y, u and i represent proportionality coefficients of the tension value Sbzl of the hoisting equipment, the bearing value Sbcz of the hoisting equipment, the amplitude value Sbfd of the hoisting equipment and the operation speed value Sbsd of the hoisting equipment respectively;
wherein,，/>，/>，/>and, in addition, the method comprises,o represents a correction constant.
Preferably, the personal safety factor Ryaq is obtained by calculating the following formula:
；
where Ryjj denotes a personal safety distance, zbpd denotes a personal protective equipment wearing rate, and p and a denote proportionality coefficients of the personal safety distance Ryjj and the personal protective equipment wearing rate Zbpd, respectively;
wherein,，/>and (2) is (are) of>S represents a correction constant.
Preferably, the construction site ground environment coefficient Xcdm is obtained through calculation according to the following formula:
；
wherein Djcz represents the foundation bearing capacity, dmpz represents the ground flatness of the hoisting area, JCaq represents the cross safety distance value of the hoisting area, and d, f and g represent the proportionality coefficients of the foundation bearing capacity Djcz, the ground flatness Dmpz of the hoisting area and the cross safety distance value JCaq of the hoisting area respectively;
Wherein,，/>，/>and (2) is (are) of>H represents a correction constant.
Preferably, the area early warning module comprises an area hoisting equipment safety evaluation unit, a hoisting personnel safety evaluation unit, a construction site ground environment safety evaluation unit and a hoisting safety early warning evaluation unit;
the regional hoisting equipment safety evaluation unit is used for comparing the facility safety coefficient Sdaq with preset facility safety thresholds J and K to obtain a facility safety level scheme:
sdaq > J, acquiring a first equipment safety level scheme, immediately sending out emergency evacuation alarm, notifying all present personnel to rapidly evacuate the dangerous area, and safely evacuating the personnel to the safety zone so as to avoid personal injury;
k < Sdaq is less than or equal to J, a second equipment security level scheme is obtained, real-time monitoring of facilities is enhanced, monitoring frequency is increased, key parameters and working states of the facilities are periodically checked and recorded, potential problems are found out at the first time, and daily maintenance work of the equipment is increased;
sdaq is less than or equal to K, a third equipment safety level scheme is obtained, and the equipment is periodically checked and maintained, including equipment cleaning, lubrication and debugging;
the hoisting personnel safety evaluation unit is used for comparing the personnel safety coefficient Ryaq with preset personnel safety thresholds L and Z to obtain a personnel safety grade scheme:
Ryaq > L, a first personnel safety level scheme is obtained, a safety training system is established, personnel are familiar with safety operation rules and emergency measures, safety consciousness is improved, a safety operation manual is compiled and executed, the safety rules, operation flow and emergency treatment method of a construction site are clearly marked, and each personnel is familiar with and obeys the safety operation rules;
z < Ryaq is less than or equal to L, a second personnel safety level scheme is obtained, 50% of safety equipment quantity is increased, complete personal protection equipment and emergency rescue equipment are arranged on a construction site, and the safety guarantee level of staff is improved;
ryaq is less than or equal to Z, a third personnel safety level scheme is obtained, safety monitoring measures are enhanced, the number of the third personnel safety level scheme is increased to one time of inspection in every two hours, two safety monitoring cameras are added to each hoisting area, twenty-four hours of comprehensive monitoring on a construction site is realized, and potential safety hazards are discovered and processed in the first time;
the construction site ground environment safety evaluation unit is used for comparing the construction site ground environment coefficient Xcdm with a preset construction site ground environment safety threshold X to obtain a grade scheme of the construction site ground environment safety:
the method comprises the steps that an Xcdm > X, a first environment safety level scheme is obtained, a ground flatness detecting instrument is adopted to detect the ground of a construction site regularly, the problem of uneven ground is found and repaired at the first time, the ground flatness meets the safety standard, the ground cleaning and the repairing are enhanced, sundries and garbage of the construction site are cleaned regularly, the ground is kept clean and tidy, and the tripping and sliding risks are reduced;
The Xcdm is less than or equal to X, a second environment safety level scheme is obtained, the ground maintenance force is increased, the ground is cleaned, repaired and maintained regularly, the ground flatness and the cleanliness meet the safety requirements, professional staff is set up to take charge of regularly inspecting the ground condition, the ground potential safety hazard is found timely and processed, and the ground safety of a construction site is guaranteed;
the hoisting safety early warning evaluation unit is used for comparing the hoisting safety early warning index Aqyj with a preset early warning threshold C and V to obtain a hoisting safety early warning grade scheme:
the method comprises the steps that Aqyj > C, a first safety early warning level scheme is obtained, an early warning mechanism is started immediately, emergency warning is sent out, relevant personnel and management personnel are informed, current hoisting operation is stopped immediately, safety accidents are prevented, the relevant personnel are organized to be evacuated from a hoisting operation area in order, all the staff are evacuated rapidly and safely, and personal injury is avoided;
v < Aqyj is less than or equal to C, a second safety early warning grade scheme is obtained, warning notification is sent to related management staff, the checking times of hoisting operation sites are increased to ten times per hour, the checking times of hoisting operation and surrounding environment are increased to eight times per hour, and a safety training meeting and warning case display description are organized before staff goes on duty;
And (3) the Aqyj is less than or equal to V, a third safety early warning grade scheme is obtained, construction of a hoisting safety management system is enhanced, a periodic safety inspection mechanism is established, and safety inspection and evaluation are carried out on hoisting equipment and an operation site regularly.
Preferably, the regional data backup module comprises a data storage unit;
the data storage unit is used for storing the data acquired by all the sensors, including storing real-time data and historical data, and establishing a data storage system, including database management, data backup and recovery functions, so that the data can be stored for a long time and safely.
Preferably, the remote control module comprises a remote monitoring unit;
the remote monitoring unit is used for establishing a remote monitoring platform, so that management personnel can remotely monitor the safety condition of a construction site in real time, and timely send early warning notices to related management personnel and staff through remote monitoring equipment and the platform, wherein the early warning notices comprise short messages, mails and telephone notices, so that the early warning information can be transmitted to related responsible personnel in the first time, the safety condition of the construction site is known in real time, and remote command and management are performed.
(III) beneficial effects
The invention provides a multi-sensor-based building construction site safety early warning system, which has the following beneficial effects:
(1) When the system operates, operation data of hoisting equipment, conditions of constructors and ground flatness of construction sites and crossing distance of equipment are obtained by installing various sensors, a first data set, a second data set and a third data set are obtained, calculation is carried out, and obtaining: the method comprises the steps of hoisting a safety early warning index Aqyj, a facility safety coefficient Sdaq, a personnel safety coefficient Ryaq and a construction site ground environment coefficient Xcdm, comparing the hoisting safety early warning index Aqyj, the facility safety coefficient Sdaq, the personnel safety coefficient Ryaq with the construction site ground environment coefficient Xcdm and a safety threshold value, acquiring a level scheme, establishing a data storage system, storing and backing up various sensor data, enabling the data to be stored and safely stored for a long time, constructing a remote monitoring platform, enabling a manager to remotely monitor the safety condition of the construction site in real time, remotely controlling key equipment, triggering an early warning mechanism immediately when the system identifies potential safety hazards, sending alarm notification to related personnel, and simultaneously providing countermeasure suggestions by the system.
(2) The utility model provides a building construction site safety precaution system based on multisensor utilizes sensor and data analysis technique, realizes the real-time supervision, analysis and the early warning to place lifting device and constructor, has improved the security performance of place, realizes the remote monitoring and the control to building construction site through remote control module, makes the managers can know the condition of job site in real time to can take measures in real time.
(3) Through predicting the risk of lifting device and constructor, make the managers can take effective measure to reduce the incident of job site, through automatic acquisition data, automatic analysis data and automatic early warning risk, reduced the input of manpower, improved management efficiency simultaneously, thereby practiced thrift a large amount of manpowers, material resources and time.
(4) The hoisting safety early warning index Aqyj, the facility safety coefficient Sdaq, the personnel safety coefficient Ryaq and the construction site ground environment coefficient Xcdm are compared with a preset safety threshold value to obtain a safety level scheme, management personnel are helped to take countermeasures according to the safety conditions of all aspects, when the hoisting safety early warning index Aqyj exceeds the preset early warning threshold value, the system immediately triggers an early warning mechanism to send an emergency warning to related personnel so as to prevent safety accidents, provide real-time warning and reaction, ensure the safety of the personnel, and provide related safety maintenance and repair suggestions according to the safety level scheme.
Drawings
FIG. 1 is a block diagram and schematic diagram of a multi-sensor based construction site safety warning system according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In large building construction sites, the safety of a hoisting area is always an important concern, and since hoisting operation involves heavy equipment and large building materials for transportation, the safety of the hoisting area directly affects the life safety of workers and the integrity of field equipment, once the hoisting area has potential safety hazards, serious accidents can be caused, casualties, property loss and even engineering stagnation are caused, and immeasurable influence is caused on engineering progress and quality.
However, in the conventional construction site management, there are many defects and shortcomings in the construction site of the hoisting area, the conventional safety early warning means is limited by a single sensor, it is difficult to comprehensively monitor and early warn the safety risk of the construction site, missed detection and delay treatment of potential safety hazards are easily caused, and part of the construction site lacks a systematic safety early warning mechanism, when the potential safety hazards occur, the early warning mechanism and emergency treatment measures are often not effectively triggered in time, so that situation deterioration or unnecessary accidents occur, therefore, a comprehensive safety early warning system based on multiple sensors is required to solve various problems and defects in the conventional safety management, and the safety and management level of the construction site are improved.
Example 1
The invention provides a multi-sensor-based building construction site safety early warning system, referring to FIG. 1, comprising a distributed sensor installation module, a regional data acquisition module, a data processing module, a regional early warning module, a regional data backup module and a remote control module;
the distributed sensor installation module is used for installing various sensors in a distributed manner on construction sites of a plurality of hoisting areas, and configuring sensor networks of all areas and data transmission among sensors of all areas;
the area data acquisition module is used for acquiring hoisting equipment data of a building construction site in real time through multiple sensors in areas, and comprises a data processing module for acquiring operation data of the hoisting equipment as a first data set, acquiring conditions of constructors as a second data set, acquiring ground flatness of the building construction site and crossing distance of equipment as a third data set, and transmitting the acquired data to respective areas through sensors in the areas;
the data processing module is used for intelligently analyzing the real-time data in the area, recording and processing the first data set, the second data set and the third data set in a digital form in real time, and combining calculation to obtain: hoisting a safety early warning index Aqyj;
The hoisting safety early warning index Aqyj is obtained through calculation according to the following formula:
；
wherein Ssaq represents a facility safety coefficient, ryaq represents a personnel safety coefficient, xcdm represents a construction site ground environment coefficient, and q, w and e represent proportional coefficients of the facility safety coefficient Ssaq, the personnel safety coefficient Ryaq and the construction site ground environment coefficient Xcdm, respectively;
wherein,，/>，/>and (2) is (are) of>R represents a correction constant;
the facility safety coefficient Sdaq is obtained through calculation of a first data set;
the personnel safety coefficient Ryaq is obtained through calculation of a second data set;
the construction site ground environment coefficient Xcdm is obtained through calculation of a third data set;
the area early warning module is used for comparing the hoisting safety early warning index Aqyj with a preset safety threshold value to obtain a grade scheme;
the regional data backup module is used for establishing a data storage system and storing and backing up various sensor data so that the data can be stored for a long time and safely;
the remote control module is used for building a remote monitoring platform, so that a manager can remotely monitor the safety condition of a construction site in real time, remotely control key equipment, immediately trigger an early warning mechanism when the system identifies potential safety hazards, send alarm notification to related personnel, and simultaneously provide countermeasure suggestions.
In this embodiment, when the system operates, the operation data of the hoisting device, the conditions of constructors and the ground flatness of the construction site and the crossing distance of the devices are obtained by installing various sensors, and the first data set, the second data set and the third data set are obtained and calculated, so that the first data set, the second data set and the third data set are obtained: the method comprises the steps of hoisting a safety early warning index Aqyj, a facility safety coefficient Sdaq, a personnel safety coefficient Ryaq and a construction site ground environment coefficient Xcdm, comparing the hoisting safety early warning index Aqyj, the facility safety coefficient Sdaq, the personnel safety coefficient Ryaq with the construction site ground environment coefficient Xcdm and a safety threshold value, acquiring a level scheme, establishing a data storage system, storing and backing up various sensor data, enabling the data to be stored and safely stored for a long time, constructing a remote monitoring platform, enabling a manager to remotely monitor the safety condition of the construction site in real time, remotely controlling key equipment, triggering an early warning mechanism immediately when the system identifies potential safety hazards, sending alarm notification to related personnel, and simultaneously providing countermeasure suggestions by the system.
Example 2
This embodiment is explained in embodiment 1, please refer to fig. 1, specifically: the distributed sensor installation module comprises a sensor installation unit and a sensor network configuration unit;
The sensor mounting unit is used for mounting various sensor devices, including a load sensor, a height sensor, an inclination sensor, a tension sensor, a motion sensor, a video monitoring sensor, a personnel positioning sensor, a safety equipment sensor, a ground flatness monitoring sensor and a safety distance monitoring sensor, and is arranged on building construction sites in different hoisting areas in a distributed manner;
the sensor network configuration unit is used for configuring network connection among the area sensors.
The regional data acquisition module comprises a hoisting equipment data acquisition unit, a constructor data acquisition unit and a ground condition data acquisition unit;
the hoisting equipment data acquisition unit is used for acquiring operation data of hoisting equipment of a construction site in real time through a load sensor, a height sensor, an inclination sensor, a tension sensor and a motion sensor, wherein the operation data comprises equipment operation state, load condition and working time as a first data set;
the constructor data acquisition unit is used for acquiring working condition and safety condition data of constructors in a building construction site in real time through the video monitoring sensor, the personnel positioning sensor and the safety equipment sensor, wherein the working condition data comprises the number of the constructors, the working condition data and the wearing condition of the safety equipment data, and the working condition data are used as a second data set;
The ground condition data acquisition unit is used for acquiring data of ground flatness and a hoisting equipment crossing distance of a hoisting area of a building construction site through the ground flatness monitoring sensor and the safety distance monitoring sensor, and is used for monitoring the safety distance between the ground flatness and the hoisting equipment in real time to be used as a third data set;
the first data set includes: hoisting equipment tension value Sbzl, hoisting equipment bearing value Sbcz, hoisting equipment amplitude value Sbfd and hoisting equipment running speed value Sbsd;
the second data set includes: personnel safety distance Ryjj and personal protective equipment wear rate Zbpd;
the third data set includes: the foundation bearing capacity Djcz, the ground flatness Dmpz of the hoisting area and the hoisting area crossing safety distance value JCaq;
the load sensor senses the gravity and the tension of the hung object on the lifting device, and the tension value Sbzl of the lifting device and the bearing value Sbcz of the lifting device are measured and obtained through the load sensor;
the amplitude value Sbfd of the hoisting equipment is obtained by measurement of an inclination sensor arranged on the hoisting device;
the running speed value Sbsd of the hoisting equipment is measured by a motion sensor arranged on the equipment;
the personnel safety distance Ryjj is obtained by measuring the distance between personnel in real time through a personnel positioning sensor;
The personal protection equipment wearing rate Zbpd is obtained by detecting whether staff wears necessary personal protection equipment through a safety equipment sensor and dividing the wearing number by the total number;
the foundation bearing capacity Djcz and the ground flatness Dmpz of the hoisting area are obtained through measurement of a ground flatness monitoring sensor;
the hoisting area crossing safety distance value JCaq is obtained through the measurement of a safety distance monitoring sensor;
and the hoisting area crossing safety distance value JCaq is measured by laser ranging.
In this embodiment, through installing various sensor equipment, gather the relevant data of building construction place lifting device, constructor and ground condition in real time, provide comprehensive place condition, make things convenient for the managers to monitor and analyze the place, through lifting device data acquisition, constructor data acquisition and ground condition data acquisition, obtain first data set, second data set and third data set, including lifting device operation data, constructor working condition and security condition and ground roughness and safe distance.
Example 3
This embodiment is explained in embodiment 1, please refer to fig. 1, specifically: the data processing module comprises an image processing unit, a data conversion unit and a data processing unit;
The image processing unit is used for processing multi-frame images acquired by the video monitoring sensor, including image denoising, image enhancement and image contrast adjustment, and detecting and tracking target personnel and safety equipment in the images by using the personnel positioning sensor and the safety equipment sensor;
the data conversion unit is used for establishing a proportional relation method through the data acquired by the area data acquisition module, and converting the pixel distance value between the data detected in the video monitoring sensor and the actual hoisting construction area into a physical distance value of the actual hoisting construction area;
the proportional relation method determines the proportional relation between the pixel distance value and the actual physical distance in the video monitoring sensor by carrying out accurate measurement in the actual field;
the data processing unit is used for carrying out format conversion on the collected first data set, second data set and third data set, recording the data in a digital form, carrying out real-time processing, and combining calculation and acquisition: hoisting safety early warning index Aqyj, facility safety coefficient Sdaq, personnel safety coefficient Ryaq and construction site ground environment coefficient Xcdm.
The facility safety coefficient Ssaq is obtained through calculation according to the following formula:
；
Wherein, sbzl represents a tension value of the hoisting equipment, sbcz represents a bearing value of the hoisting equipment, sbfd represents an amplitude value of the hoisting equipment, sbsd represents an operation speed value of the hoisting equipment, and t, y, u and i represent proportionality coefficients of the tension value Sbzl of the hoisting equipment, the bearing value Sbcz of the hoisting equipment, the amplitude value Sbfd of the hoisting equipment and the operation speed value Sbsd of the hoisting equipment respectively;
wherein,，/>，/>，/>and, in addition, the method comprises,o represents a correction constant.
The personnel safety coefficient Ryaq is obtained through calculation according to the following formula:
；
where Ryjj denotes a personal safety distance, zbpd denotes a personal protective equipment wearing rate, and p and a denote proportionality coefficients of the personal safety distance Ryjj and the personal protective equipment wearing rate Zbpd, respectively;
wherein,，/>and (2) is (are) of>S represents a correction constant.
The construction site ground environment coefficient Xcdm is obtained through calculation according to the following formula:
；
wherein Djcz represents the foundation bearing capacity, dmpz represents the ground flatness of the hoisting area, JCaq represents the cross safety distance value of the hoisting area, and d, f and g represent the proportionality coefficients of the foundation bearing capacity Djcz, the ground flatness Dmpz of the hoisting area and the cross safety distance value JCaq of the hoisting area respectively;
wherein,，/>，/>and (2) is (are) of>H represents a correction constant.
Example 4
This embodiment is explained in embodiment 1, please refer to fig. 1, specifically: the area early warning module comprises an area hoisting equipment safety evaluation unit, a hoisting personnel safety evaluation unit, a construction site ground environment safety evaluation unit and a hoisting safety early warning evaluation unit;
the regional hoisting equipment safety evaluation unit is used for comparing the facility safety coefficient Sdaq with preset facility safety thresholds J and K to obtain a facility safety level scheme:
sdaq > J, acquiring a first equipment safety level scheme, immediately sending out emergency evacuation alarm, notifying all present personnel to rapidly evacuate the dangerous area, and safely evacuating the personnel to the safety zone so as to avoid personal injury;
k < Sdaq is less than or equal to J, a second equipment security level scheme is obtained, real-time monitoring of facilities is enhanced, monitoring frequency is increased, key parameters and working states of the facilities are periodically checked and recorded, potential problems are found out at the first time, and daily maintenance work of the equipment is increased;
sdaq is less than or equal to K, a third equipment safety level scheme is obtained, and the equipment is periodically checked and maintained, including equipment cleaning, lubrication and debugging;
the hoisting personnel safety evaluation unit is used for comparing the personnel safety coefficient Ryaq with preset personnel safety thresholds L and Z to obtain a personnel safety grade scheme:
Ryaq > L, a first personnel safety level scheme is obtained, a safety training system is established, personnel are familiar with safety operation rules and emergency measures, safety consciousness is improved, a safety operation manual is compiled and executed, the safety rules, operation flow and emergency treatment method of a construction site are clearly marked, and each personnel is familiar with and obeys the safety operation rules;
z < Ryaq is less than or equal to L, a second personnel safety level scheme is obtained, 50% of safety equipment quantity is increased, complete personal protection equipment and emergency rescue equipment are arranged on a construction site, and the safety guarantee level of staff is improved;
ryaq is less than or equal to Z, a third personnel safety level scheme is obtained, safety monitoring measures are enhanced, the number of inspection is increased to one in every two hours, two safety monitoring cameras are added to each hoisting area, twenty-four hours of comprehensive monitoring on a construction site is realized, potential safety hazards are discovered and processed in the first time, the inspection is carried out regularly every day, the potential safety hazards on the construction site are inspected, and the potential safety hazards are eliminated in time;
the construction site ground environment safety evaluation unit is used for comparing the construction site ground environment coefficient Xcdm with a preset construction site ground environment safety threshold X to obtain a grade scheme of the construction site ground environment safety:
The method comprises the steps that an Xcdm > X, a first environment safety level scheme is obtained, a ground flatness detecting instrument is adopted to detect the ground of a construction site regularly, the problem of uneven ground is found and repaired at the first time, the ground flatness meets the safety standard, the ground cleaning and the repairing are enhanced, sundries and garbage of the construction site are cleaned regularly, the ground is kept clean and tidy, and the tripping and sliding risks are reduced;
the Xcdm is less than or equal to X, a second environmental safety level scheme is obtained, the ground maintenance force is increased, the ground is regularly cleaned, repaired and maintained, the ground flatness and the cleanliness meet the safety requirements, professional staff is set to take charge of regularly inspecting the ground condition, the ground potential safety hazards are timely found and processed, the ground safety of a construction site is ensured, a protective net and a safety protection facility for protecting a railing are arranged in a high-risk area, personnel entering is strictly controlled, and accidental injury is prevented;
the hoisting safety early warning evaluation unit is used for comparing the hoisting safety early warning index Aqyj with a preset early warning threshold C and V to obtain a hoisting safety early warning grade scheme:
the method comprises the steps that Aqyj > C, a first safety early warning level scheme is obtained, an early warning mechanism is started immediately, emergency warning is sent out, relevant personnel and management personnel are informed, current hoisting operation is stopped immediately, safety accidents are prevented, the relevant personnel are organized to be evacuated from a hoisting operation area in order, all the staff are evacuated rapidly and safely, and personal injury is avoided;
V < Aqyj is less than or equal to C, a second safety early warning grade scheme is obtained, warning notification is sent to related management staff, the checking times of hoisting operation sites are increased to ten times per hour, the checking times of hoisting operation and surrounding environment are increased to eight times per hour, and a safety training meeting and warning case display description are organized before staff goes on duty;
and (3) the Aqyj is less than or equal to V, a third safety early warning grade scheme is obtained, construction of a hoisting safety management system is enhanced, a periodic safety inspection mechanism is established, and safety inspection and evaluation are carried out on hoisting equipment and an operation site regularly.
In this embodiment, by comparing the hoisting safety early warning index Aqyj, the facility safety coefficient Ssaq, the personnel safety coefficient Ryaq and the construction site ground environment coefficient Xcdm with a preset safety threshold, a safety level scheme is obtained, so that management personnel can take countermeasures according to the safety conditions of all aspects, when the hoisting safety early warning index Aqyj exceeds the preset early warning threshold, the system immediately triggers an early warning mechanism to send an emergency warning to related personnel so as to prevent safety accidents, provide real-time warning and reaction, ensure the safety of personnel, and provide related safety maintenance and repair suggestions according to the safety level scheme.
Example 5
This embodiment is explained in embodiment 1, please refer to fig. 1, specifically: the regional data backup module comprises a data storage unit;
the data storage unit is used for storing the data acquired by all the sensors, including storing real-time data and historical data, and establishing a data storage system, including database management, data backup and recovery functions, so that the data can be stored for a long time and safely.
The remote control module comprises a remote monitoring unit;
the remote monitoring unit is used for establishing a remote monitoring platform, so that management personnel can remotely monitor the safety condition of a construction site in real time, and timely send early warning notices to related management personnel and staff through remote monitoring equipment and the platform, wherein the early warning notices comprise short messages, mails and telephone notices, so that the early warning information can be transmitted to related responsible personnel in the first time, the safety condition of the construction site is known in real time, and remote command and management are performed.
According to the embodiment, through the remote monitoring and remote control module, real-time monitoring and control of the construction site are realized, the knowledge of management personnel on the safety condition of the construction site is improved, corresponding measures can be taken in time, and the management efficiency is improved.
Specific examples:
assuming that a site hoisting area is used in a multi-sensor based construction site safety pre-warning system, specific parameters and values will be used to demonstrate how to calculate: hoisting safety early warning index Aqyj, facility safety coefficient Sdaq, personnel safety coefficient Ryaq and construction site ground environment coefficient Xcdm:
a first data set:
hoisting equipment tension value Sbzl:100, lifting device bearing value Sbcz:200, hoisting equipment amplitude value Sbfd:5, hoisting equipment operation speed value Sbsd:10;
a second data set:
personnel safety distance Ryjj: personal protection equipment wear Zbpd:80%;
third data set:
foundation bearing capacity Djcz:300, lifting area ground flatness Dmpz:0.2, hoisting area crossing safety distance value Jcaq:3, a step of;
corresponding proportionality coefficient: q=0.3, w=0.25, e=0.2, t=0.15, y=0.2, u=0.3, i=0.15, d=0.2, f=0.3, g=0.35, p=0.4, a=0.35;
correction constant: s=2, h=3, o=4, r=1;
personnel safety factor ryaq= [0.8+0.28 ]. 100% +2=3.08;
construction site ground environment coefficient xcdm= [ (300 x 0.2+0.2 x 0.3+3 x 0.35)/(0.2+0.3+0.35) ]+3= 74.89;
the facility safety factor ssaq= [ (100×0.15+200×0.2+5×0.3+10×0.15)/(0.15+0.2+0.3+0.15) ]+4=76.5;
Hoisting safety warning index aqyj= [ (76.5×0.3+30.8×0.25+74.89×0.2)/(0.3+0.25+0.2) ]+1=52.6;
the results all take two digits after decimal points;
setting a preset facility safety threshold J as 50, setting a preset facility safety threshold K as 30, comparing a facility safety coefficient Sdaq with the preset facility safety threshold J and the preset facility safety threshold K, acquiring a first equipment safety level scheme, immediately sending out an emergency evacuation alarm, notifying all present personnel to quickly evacuate a dangerous area, safely evacuating the personnel to a safe zone, and avoiding personal injury;
setting a preset personnel safety threshold L as 10, setting a preset personnel safety threshold Z as 5, comparing a personnel safety coefficient Ryaq with the preset personnel safety threshold L and the preset personnel safety threshold Z, acquiring a third personnel safety level scheme, enhancing safety monitoring measures, adding two safety monitoring cameras to each hoisting area for inspection every two hours, realizing twenty-four-hour comprehensive monitoring on a construction site, discovering and processing potential safety hazards in the first time, inspecting the safety hazards of the construction site regularly every day, and eliminating the safety hazards in time;
setting a preset construction site ground environment safety threshold X as 50, comparing a construction site ground environment coefficient Xcdm with a preset value Z and a preset value X, acquiring a first environment safety level scheme by Xcdm > X, periodically detecting the ground of the construction site by adopting a ground flatness detection instrument, finding and repairing the problem of uneven ground in the first time, enabling the ground flatness to meet the safety standard, enhancing the cleaning and the repairing of the ground, periodically cleaning sundries and garbage of the construction site, keeping the ground clean and tidy, and reducing the risk of tripping and slipping;
The method comprises the steps of setting a preset early warning threshold C to be 50, setting a preset early warning threshold V to be 30, comparing a hoisting safety early warning index Aqyj with the preset early warning threshold C and the preset early warning threshold V, acquiring a first safety early warning level scheme, immediately starting an early warning mechanism, sending out an emergency alarm, informing related personnel and management personnel, immediately stopping current hoisting operation, preventing safety accidents, organizing related personnel to withdraw from a hoisting operation area in order, and rapidly and safely withdrawing all staff to avoid personal injury.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A building construction site safety precaution system based on multisensor, its characterized in that: the system comprises a distributed sensor installation module, a regional data acquisition module, a data processing module, a regional early warning module, a regional data backup module and a remote control module;
the distributed sensor installation module is used for installing various sensors in a distributed manner on construction sites of a plurality of hoisting areas, and configuring sensor networks of all areas and data transmission among sensors of all areas;
The area data acquisition module is used for acquiring hoisting equipment data of a building construction site in real time through multiple sensors in areas, and comprises a data processing module for acquiring operation data of the hoisting equipment as a first data set, acquiring conditions of constructors as a second data set, acquiring ground flatness of the building construction site and crossing distance of equipment as a third data set, and transmitting the acquired data to respective areas through sensors in the areas;
the data processing module is used for intelligently analyzing the real-time data in the area, recording and processing the first data set, the second data set and the third data set in a digital form in real time, and combining calculation to obtain: hoisting a safety early warning index Aqyj;
the hoisting safety early warning index Aqyj is obtained through calculation according to the following formula:
；
wherein Ssaq represents a facility safety coefficient, ryaq represents a personnel safety coefficient, xcdm represents a construction site ground environment coefficient, and q, w and e represent proportional coefficients of the facility safety coefficient Ssaq, the personnel safety coefficient Ryaq and the construction site ground environment coefficient Xcdm, respectively;
wherein,，/>，/>and (2) is (are) of>R represents a correction constant;
the facility safety coefficient Sdaq is obtained through calculation of a first data set;
The personnel safety coefficient Ryaq is obtained through calculation of a second data set;
the construction site ground environment coefficient Xcdm is obtained through calculation of a third data set;
the area early warning module is used for comparing the hoisting safety early warning index Aqyj with a preset safety threshold value to obtain a grade scheme;
the regional data backup module is used for establishing a data storage system and storing and backing up various sensor data so that the data can be stored for a long time and safely;
the remote control module is used for building a remote monitoring platform, so that a manager can remotely monitor the safety condition of a construction site in real time, remotely control key equipment, immediately trigger an early warning mechanism when the system identifies potential safety hazards, send alarm notification to related personnel, and simultaneously provide countermeasure suggestions.
2. The multi-sensor based construction site safety precaution system of claim 1, wherein: the distributed sensor installation module comprises a sensor installation unit and a sensor network configuration unit;
the sensor mounting unit is used for mounting various sensor devices, including a load sensor, a height sensor, an inclination sensor, a tension sensor, a motion sensor, a video monitoring sensor, a personnel positioning sensor, a safety equipment sensor, a ground flatness monitoring sensor and a safety distance monitoring sensor, and is arranged on building construction sites in different hoisting areas in a distributed manner;
The sensor network configuration unit is used for configuring network connection among the area sensors.
3. The multi-sensor based construction site safety precaution system of claim 1, wherein: the regional data acquisition module comprises a hoisting equipment data acquisition unit, a constructor data acquisition unit and a ground condition data acquisition unit;
the hoisting equipment data acquisition unit is used for acquiring operation data of hoisting equipment of a construction site in real time through a load sensor, a height sensor, an inclination sensor, a tension sensor and a motion sensor, wherein the operation data comprises equipment operation state, load condition and working time as a first data set;
the constructor data acquisition unit is used for acquiring working condition and safety condition data of constructors in a building construction site in real time through the video monitoring sensor, the personnel positioning sensor and the safety equipment sensor, wherein the working condition data comprises the number of the constructors, the working condition data and the wearing condition of the safety equipment data, and the working condition data are used as a second data set;
the ground condition data acquisition unit is used for acquiring data of ground flatness and a hoisting equipment crossing distance of a hoisting area of a building construction site through the ground flatness monitoring sensor and the safety distance monitoring sensor, and is used for monitoring the safety distance between the ground flatness and the hoisting equipment in real time to be used as a third data set;
The first data set includes: hoisting equipment tension value Sbzl, hoisting equipment bearing value Sbcz, hoisting equipment amplitude value Sbfd and hoisting equipment running speed value Sbsd;
the second data set includes: personnel safety distance Ryjj and personal protective equipment wear rate Zbpd;
the third data set includes: the foundation bearing capacity Djcz, the ground flatness Dmpz of the hoisting area and the hoisting area crossing safety distance value JCaq;
and the hoisting area crossing safety distance value JCaq is measured by laser ranging.
4. The multi-sensor based construction site safety precaution system of claim 1, wherein: the data processing module comprises an image processing unit, a data conversion unit and a data processing unit;
the image processing unit is used for processing multi-frame images acquired by the video monitoring sensor, including image denoising, image enhancement and image contrast adjustment, and detecting and tracking target personnel and safety equipment in the images by using the personnel positioning sensor and the safety equipment sensor;
the data conversion unit is used for establishing a proportional relation method through the data acquired by the area data acquisition module, and converting the pixel distance value between the data detected in the video monitoring sensor and the actual hoisting construction area into a physical distance value of the actual hoisting construction area;
The proportional relation method determines the proportional relation between the pixel distance value and the actual physical distance in the video monitoring sensor by carrying out accurate measurement in the actual field;
the data processing unit is used for carrying out format conversion on the collected first data set, second data set and third data set, recording the data in a digital form, carrying out real-time processing, and combining calculation and acquisition: hoisting safety early warning index Aqyj, facility safety coefficient Sdaq, personnel safety coefficient Ryaq and construction site ground environment coefficient Xcdm.
5. The multi-sensor based construction site safety precaution system of claim 4, wherein: the facility safety coefficient Ssaq is obtained through calculation according to the following formula:
；
wherein, sbzl represents a tension value of the hoisting equipment, sbcz represents a bearing value of the hoisting equipment, sbfd represents an amplitude value of the hoisting equipment, sbsd represents an operation speed value of the hoisting equipment, and t, y, u and i represent proportionality coefficients of the tension value Sbzl of the hoisting equipment, the bearing value Sbcz of the hoisting equipment, the amplitude value Sbfd of the hoisting equipment and the operation speed value Sbsd of the hoisting equipment respectively;
wherein,，/>，/>，/>and, in addition, the method comprises,o represents a correction constant.
6. The multi-sensor based construction site safety precaution system of claim 4, wherein: the personnel safety coefficient Ryaq is obtained through calculation according to the following formula:
；
Where Ryjj denotes a personal safety distance, zbpd denotes a personal protective equipment wearing rate, and p and a denote proportionality coefficients of the personal safety distance Ryjj and the personal protective equipment wearing rate Zbpd, respectively;
wherein,，/>and (2) is (are) of>S represents repairA positive constant.
7. The multi-sensor based construction site safety precaution system of claim 4, wherein: the construction site ground environment coefficient Xcdm is obtained through calculation according to the following formula:
；
wherein Djcz represents the foundation bearing capacity, dmpz represents the ground flatness of the hoisting area, JCaq represents the cross safety distance value of the hoisting area, and d, f and g represent the proportionality coefficients of the foundation bearing capacity Djcz, the ground flatness Dmpz of the hoisting area and the cross safety distance value JCaq of the hoisting area respectively;
wherein,，/>，/>and (2) is (are) of>H represents a correction constant.
8. The multi-sensor based construction site safety precaution system of claim 1, wherein: the area early warning module comprises an area hoisting equipment safety evaluation unit, a hoisting personnel safety evaluation unit, a construction site ground environment safety evaluation unit and a hoisting safety early warning evaluation unit;
the regional hoisting equipment safety evaluation unit is used for comparing the facility safety coefficient Sdaq with preset facility safety thresholds J and K to obtain a facility safety level scheme:
Sdaq > J, acquiring a first equipment safety level scheme, immediately sending out emergency evacuation alarm, notifying all present personnel to rapidly evacuate the dangerous area, and safely evacuating the personnel to the safety zone so as to avoid personal injury;
k < Sdaq is less than or equal to J, a second equipment security level scheme is obtained, real-time monitoring of facilities is enhanced, monitoring frequency is increased, key parameters and working states of the facilities are periodically checked and recorded, potential problems are found out at the first time, and daily maintenance work of the equipment is increased;
sdaq is less than or equal to K, a third equipment safety level scheme is obtained, and the equipment is periodically checked and maintained, including equipment cleaning, lubrication and debugging;
the hoisting personnel safety evaluation unit is used for comparing the personnel safety coefficient Ryaq with preset personnel safety thresholds L and Z to obtain a personnel safety grade scheme:
ryaq > L, a first personnel safety level scheme is obtained, a safety training system is established, personnel are familiar with safety operation rules and emergency measures, safety consciousness is improved, a safety operation manual is compiled and executed, the safety rules, operation flow and emergency treatment method of a construction site are clearly marked, and each personnel is familiar with and obeys the safety operation rules;
Z < Ryaq is less than or equal to L, a second personnel safety level scheme is obtained, 50% of safety equipment quantity is increased, complete personal protection equipment and emergency rescue equipment are arranged on a construction site, and the safety guarantee level of staff is improved;
ryaq is less than or equal to Z, a third personnel safety level scheme is obtained, safety monitoring measures are enhanced, the number of the third personnel safety level scheme is increased to one time of inspection in every two hours, two safety monitoring cameras are added to each hoisting area, twenty-four hours of comprehensive monitoring on a construction site is realized, and potential safety hazards are discovered and processed in the first time;
the construction site ground environment safety evaluation unit is used for comparing the construction site ground environment coefficient Xcdm with a preset construction site ground environment safety threshold X to obtain a grade scheme of the construction site ground environment safety:
the method comprises the steps that an Xcdm > X, a first environment safety level scheme is obtained, a ground flatness detecting instrument is adopted to detect the ground of a construction site regularly, the problem of uneven ground is found and repaired at the first time, the ground flatness meets the safety standard, the ground cleaning and the repairing are enhanced, sundries and garbage of the construction site are cleaned regularly, the ground is kept clean and tidy, and the tripping and sliding risks are reduced;
The Xcdm is less than or equal to X, a second environment safety level scheme is obtained, the ground maintenance force is increased, the ground is cleaned, repaired and maintained regularly, the ground flatness and the cleanliness meet the safety requirements, professional staff is set up to take charge of regularly inspecting the ground condition, the ground potential safety hazard is found timely and processed, and the ground safety of a construction site is guaranteed;
the hoisting safety early warning evaluation unit is used for comparing the hoisting safety early warning index Aqyj with a preset early warning threshold C and V to obtain a hoisting safety early warning grade scheme:
the method comprises the steps that Aqyj > C, a first safety early warning level scheme is obtained, an early warning mechanism is started immediately, emergency warning is sent out, relevant personnel and management personnel are informed, current hoisting operation is stopped immediately, safety accidents are prevented, the relevant personnel are organized to be evacuated from a hoisting operation area in order, all the staff are evacuated rapidly and safely, and personal injury is avoided;
v < Aqyj is less than or equal to C, a second safety early warning grade scheme is obtained, warning notification is sent to related management staff, the checking times of hoisting operation sites are increased to ten times per hour, the checking times of hoisting operation and surrounding environment are increased to eight times per hour, and a safety training meeting and warning case display description are organized before staff goes on duty;
And (3) the Aqyj is less than or equal to V, a third safety early warning grade scheme is obtained, construction of a hoisting safety management system is enhanced, a periodic safety inspection mechanism is established, and safety inspection and evaluation are carried out on hoisting equipment and an operation site regularly.
9. The multi-sensor based construction site safety precaution system of claim 1, wherein: the regional data backup module comprises a data storage unit;
the data storage unit is used for storing the data acquired by all the sensors, including storing real-time data and historical data, and establishing a data storage system, including database management, data backup and recovery functions, so that the data can be stored for a long time and safely.
10. The multi-sensor based construction site safety precaution system of claim 1, wherein: the remote control module comprises a remote monitoring unit;
the remote monitoring unit is used for establishing a remote monitoring platform, so that management personnel can remotely monitor the safety condition of a construction site in real time, and timely send early warning notices to related management personnel and staff through remote monitoring equipment and the platform, wherein the early warning notices comprise short messages, mails and telephone notices, so that the early warning information can be transmitted to related responsible personnel in the first time, the safety condition of the construction site is known in real time, and remote command and management are performed.
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| 王伟;吕山可;张雨果;赵楚楠;何华刚;: "基于BIM与机器视觉技术结合的建筑施工危险区域入侵预警研究", 安全与环境工程, no. 02, pages 196 - 202 * |
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| CN117253350B (en) | 2024-01-16 |
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