CN116466612A - Intelligent building site automatic early warning system - Google Patents

Intelligent building site automatic early warning system Download PDF

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Publication number
CN116466612A
CN116466612A CN202210029761.4A CN202210029761A CN116466612A CN 116466612 A CN116466612 A CN 116466612A CN 202210029761 A CN202210029761 A CN 202210029761A CN 116466612 A CN116466612 A CN 116466612A
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CN
China
Prior art keywords
component
laser
construction
lifting
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210029761.4A
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Chinese (zh)
Inventor
王国磊
袁志明
李成军
石洪金
彭锐
王龙岗
谢永恒
侯鹏程
张伟
程小川
张瑞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway 11th Bureau Group Co Ltd
Sixth Engineering Co Ltd of China Railway 11th Bureau Group Co Ltd
Original Assignee
China Railway 11th Bureau Group Co Ltd
Sixth Engineering Co Ltd of China Railway 11th Bureau Group Co Ltd
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Filing date
Publication date
Application filed by China Railway 11th Bureau Group Co Ltd, Sixth Engineering Co Ltd of China Railway 11th Bureau Group Co Ltd filed Critical China Railway 11th Bureau Group Co Ltd
Priority to CN202210029761.4A priority Critical patent/CN116466612A/en
Publication of CN116466612A publication Critical patent/CN116466612A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0428Safety, monitoring
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/24Pc safety
    • G05B2219/24024Safety, surveillance

Abstract

The invention discloses an intelligent building site automatic early warning system. Belongs to the technical field of mechanical equipment construction. The method mainly solves the problem that the existing construction machinery equipment collides with or hangs up wires because the wires in the mid-air cannot be seen in a non-bright construction site. The main characteristics of the device are as follows: the device comprises a laser height limiting device, a video monitoring device, an isolation fence, an isolation protection net, a positioning device and a controller; the monitoring end of the video monitoring device faces to a construction area; the isolation fence is arranged at the periphery of the construction site area; the laser height limiting device and the isolation protective net are arranged above the construction site area; the positioning device is arranged on construction equipment. The invention has the characteristics of carrying out early warning on dangerous sources in a construction area by combining various early warning modes, preventing construction accidents, guaranteeing personal safety of personnel and ensuring normal construction operation, and is mainly used for construction of construction mechanical equipment on a construction site without brightness.

Description

Intelligent building site automatic early warning system
Technical Field
The invention belongs to the technical field of construction, and particularly relates to an intelligent building site automatic early warning system.
Background
The construction environment of the existing construction site is very complex, and various construction equipment and facilities are in cross operation, so that various potential safety hazards, such as high-altitude falling objects, high-altitude high-voltage cables, mechanical equipment collision injuries and the like, exist. If the production accident happens, the production is stopped when the machine is light, and the personnel is casualty when the machine is heavy.
Therefore, an automatic early warning system for a construction site is required to prevent the occurrence of safety accidents.
Disclosure of Invention
The intelligent building site automatic early warning system can prevent safety accidents, not only ensures personal safety of personnel, but also ensures normal operation of construction operation.
The technical scheme of the invention is as follows: an automatic early warning system in wisdom building site, its characterized in that: the device comprises a laser height limiting device, a video monitoring device, an isolation fence, an isolation protection net, a positioning device and a controller; the monitoring end of the video monitoring device faces to a construction area; the isolation fence is arranged at the periphery of the construction site area; the laser height limiting device and the isolation protection net are arranged above the construction site area; the positioning device is arranged on construction equipment; the signal output ends of the video monitoring device and the positioning device are both in communication connection with the signal input end of the controller, and the signal output end of the controller is in communication connection with the signal input end of the laser height limiting device.
Specifically, the controller includes:
the positioning information receiving module is used for receiving the identification information and the position information sent by the positioning device;
the position comparison module is used for comparing the position information with a target area of a preset visual platform;
the identification module is used for judging whether the identification information is legal or not if the position information is in the target area;
the timing module is used for starting timing if the identification information is illegal;
and the overtime alarm module is used for sending out overtime alarm if the timing time reaches the preset time.
Specifically, the controller further comprises:
the target dangerous object modeling module is used for modeling the target dangerous object based on the actual coordinates through BIM software to obtain a target dangerous object model;
and the target area demarcation module is used for importing the target dangerous object model into the visual platform through an absolute coordinate mode and demarcating the target area according to the coordinates of the target dangerous object.
Specifically, the controller further comprises:
a video image receiving module for receiving the monitoring image sent by the video monitoring device;
the image conversion module is used for converting the monitoring image into a Gray image to calculate a Gray value through a formula Gray (i, j) =0.299×r (i, j) +0.587×g (i, j) +0.144×b (i, j); wherein i is the X-axis coordinate of the pixel point in the image, and j is the Y-axis coordinate of the pixel point in the image;
the gray value difference calculation module is used for calculating the gray value difference between the gray value and the gray value of the next sampling moment;
the difference value calculation module is used for calculating the difference value between the gray value difference value and the gray value difference value of the next sampling moment;
the difference comparison module is used for comparing the difference with a preset threshold value;
and the abnormality alarm module is used for sending out an abnormality alarm if the difference value is greater than or equal to the preset threshold value.
Specifically, the laser height limiting device comprises a laser, a damping support, a temperature and humidity monitoring component, a dehumidifying component, a temperature control component and a shell; the laser, the damping support, the temperature and humidity monitoring component, the dehumidifying component and the temperature control component are all arranged in the shell; the laser is arranged on the damping support; the signal output end of the temperature and humidity monitoring component is in communication connection with the signal input end of the controller, and the signal output end of the controller is in communication connection with the signal input ends of the dehumidifying component and the temperature control component.
Specifically, the laser height limiting device also comprises a lifting component, a rotating component and a base;
the lifting component is arranged on the base, the rotating component is arranged on the lifting end of the lifting component, the shell is arranged on the rotating component, and the signal input ends of the lifting component and the rotating component are in communication connection with the signal output end of the controller;
or the rotating part is arranged on the base, the lifting part is arranged on the rotating part, the shell is arranged on the lifting end of the lifting part, and the signal input ends of the lifting part and the rotating part are in communication connection with the signal output end of the controller.
Specifically, the laser height limiting device also comprises a laser beam receiving plate; the laser beam receiving plate is arranged at the pointing end of the laser.
Specifically, the isolation protection net comprises an insulation bearing net, a warning triangle colored flag and a warning sign board; the insulating bearing net is arranged above the construction site area; the warning triangle colored flag and the warning sign board are arranged on the insulating force-bearing net.
Specifically, the laser height limiting device comprises a laser, a damping support, a temperature and humidity monitoring component, a dehumidifying component, a temperature control component and a shell; the laser, the damping support, the temperature and humidity monitoring component, the dehumidifying component and the temperature control component are all arranged in the shell; the laser is arranged on the damping support; the signal output end of the temperature and humidity monitoring component is in communication connection with the signal input end of the controller, and the signal output end of the controller is in communication connection with the signal input ends of the dehumidifying component and the temperature control component; the laser height limiting device also comprises a lifting component, a rotating component and a base; the lifting component is arranged on the base, the rotating component is arranged on the lifting end of the lifting component, the shell is arranged on the rotating component, and the signal input ends of the lifting component and the rotating component are in communication connection with the signal output end of the controller; or the rotating part is arranged on the base, the lifting part is arranged on the rotating part, the shell is arranged on the lifting end of the lifting part, and the signal input ends of the lifting part and the rotating part are in communication connection with the signal output end of the controller; the laser height limiting device also comprises a laser beam receiving plate; the laser beam receiving plate is arranged at the pointing end of the laser; the isolation protection net comprises an insulation bearing net, a warning triangle colored flag and a warning sign board; the insulating bearing net is arranged above the construction site area; the warning triangle colored flag and the warning sign board are arranged on the insulating force-bearing net.
One or more technical schemes provided by the invention have at least the following technical effects or advantages:
by installing the laser height limiting device, the situation that construction mechanical equipment collides or hangs up wires due to the fact that the wires in the mid-air cannot be seen in a non-bright construction site is avoided, and safe and stable operation of a power grid is effectively guaranteed. By installing the video monitoring device, the automatic judgment of the entrance of illegal personnel can be realized, so that the driving-away can be prompted as soon as possible, and the occurrence of personal injury accidents can be prevented. Through the communication between positioner and the controller on the construction equipment, can carry out the accurate positioning to the construction equipment to avoid the emergence of mechanical injury accident. The isolation protective net is arranged above the construction site area to prevent the high-voltage line above the isolation protective net from falling, so that safety accidents are further prevented. In addition, the periphery in the construction area is also provided with an isolation fence, thereby further preventing illegal entry of irrelevant personnel and further preventing safety accidents. The invention carries out early warning on the dangerous sources of the construction area by combining a plurality of early warning modes, effectively prevents construction accidents, effectively ensures personal safety of personnel and ensures normal operation of construction operation.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent automatic early warning system for construction sites according to an embodiment of the present invention.
Fig. 2 is a first photograph of a live video surveillance device 2 in accordance with an embodiment of the present invention.
Fig. 3 is a second photograph of the video surveillance device 2 in the field in an embodiment of the invention.
Fig. 4 is a photograph of a field night laser height limiting device 1 according to an embodiment of the present invention.
Reference numerals: 1-laser height limiting device, 2-video monitoring device, 3-isolation fence, 4-isolation protective net and 5-construction equipment.
Detailed Description
The intelligent building site automatic early warning system is mainly used for construction of construction mechanical equipment on a non-bright construction site, can prevent safety accidents, not only ensures personal safety of personnel, but also ensures normal operation of construction operation.
The technical scheme in the embodiment of the invention aims to achieve the technical effects, and the overall thought is as follows:
by installing the laser height limiting device 1, the situation that the construction equipment 5 collides or hangs up the wire because the wire in the mid-air cannot be seen in a non-bright construction site is avoided, the safe and stable operation of the power grid is seriously influenced, and the safe and stable operation of the power grid is effectively ensured. By installing the video monitoring device 2, the automatic judgment of the entrance of illegal personnel can be realized, so that the driving-off can be prompted as soon as possible, and the occurrence of personal injury accidents can be prevented. Through the communication between positioner and the controller on the construction equipment 5, can carry out the accurate positioning to the construction equipment to avoid the emergence of mechanical injury accident. The isolation protective net 4 is arranged above the construction site area to prevent the high-voltage line above the isolation protective net from falling, so that safety accidents are further prevented. In addition, the periphery in the construction area is also provided with an isolation fence, thereby further preventing illegal entry of irrelevant personnel and further preventing safety accidents. The embodiment of the invention carries out early warning on the dangerous source of the construction area by combining a plurality of early warning modes, thereby effectively preventing construction accidents, effectively guaranteeing the personal safety of personnel and ensuring the normal operation of construction operation.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1, an intelligent building site automatic early warning system provided by an embodiment of the invention includes: the device comprises a laser height limiting device 1, a video monitoring device 2, an isolation fence 3, an isolation protection net 4, construction equipment 5 and a controller. The monitoring end of the video monitoring device 2 faces the construction site area, the isolation fence 3 is arranged on the periphery of the construction site area, and the laser height limiting device 1 and the isolation protection net 4 are arranged above the construction site area. A positioning device is mounted on the construction equipment 5. The signal output ends of the video monitoring device 2 and the positioning device are both in communication connection with the signal input end of the controller, and the signal output end of the controller is in communication connection with the signal input end of the laser height limiting device 1.
Describing in detail the analysis process of accurate positioning in the embodiment of the present invention, the controller includes:
the positioning information receiving module is used for receiving the identification information and the position information sent by the positioning device;
the position comparison module is used for comparing the position information with a target area of a preset visual platform;
the identification module is used for judging whether the identification information is legal or not if the position information is in the target area;
the timing module is used for indicating illegal entry if the identification information is illegal and starting timing;
and the overtime alarm module is used for sending out overtime alarm if the timing time reaches the preset time.
Describing the precise demarcation process of the target area, the controller further comprises:
the target dangerous object modeling module is used for modeling the target dangerous object based on the actual coordinates through BIM software to obtain a target dangerous object model;
the target region demarcating module is used for guiding the target dangerous object model into the visual platform through an absolute coordinate mode and demarcating the target region according to the coordinates of the target dangerous object.
Specifically, firstly, inputting all on-site mechanical construction equipment 5, distributing mechanical equipment numbers, binding Beidou stator numbers, and installing Beidou chips on the corresponding mechanical construction equipment 5; meanwhile, the coordinates of a field high-voltage line (namely a target dangerous object) are collected, BIM software is used for modeling the target dangerous object according to the actual coordinates, and after modeling is completed, a model is imported into a visual platform in an absolute coordinate mode, so that the position of the model in the visual platform is completely corresponding to the actual position, and the problem that the traditional positioning map is wrong in alarm due to overlarge deviation and wrong mechanical position display is solved. And drawing an alarm range and mechanical stay alarm threshold time on the platform according to alarm requirements. The on-site mechanical equipment is monitored through the platform, the mechanical coordinate data are subjected to 7-parameter conversion to be converted into the same coordinate system with the platform, the data are transmitted to the visual positioning platform, the positioning data are converted into blue mechanical icons by the platform, and the blue mechanical icons are displayed on the platform according to the coordinate change. And calculating the relation between the mechanical positioning coordinates and the dangerous area, and sending alarm information to the platform once the illegal mechanical coordinates and the dangerous area are found to have the containing relation. After the platform receives the alarm information, the mechanical icon turns red and flashes while the system starts tracking its path and timing, and once it is found that it stays in the dangerous area to reach the time threshold, the platform starts the alarm to push the operation information to the site manager so as to perform corresponding countermeasures. When the mechanical device leaves the dangerous area, the mechanical device icon turns blue and the pre-warning is released.
The embodiment of the invention specifically describes a process of automatically judging illegal entry through video monitoring data, and the controller further comprises:
a video image receiving module for receiving the monitoring image transmitted from the video monitoring apparatus 2;
the image conversion module is used for converting the monitoring image into a Gray image to calculate a Gray value through the formula Gray (i, j) =0.299×r (i, j) +0.587×g (i, j) +0.144×b (i, j); wherein i is the X-axis coordinate of the pixel point in the image, and j is the Y-axis coordinate of the pixel point in the image;
the gray value difference calculation module is used for calculating a gray value difference between the gray value and the gray value at the next sampling moment;
the difference value calculation module is used for calculating the difference value between the gray value difference value and the gray value difference value of the next sampling moment;
the difference comparison module is used for comparing the difference value with a preset threshold value;
and the abnormality alarm module is used for indicating that illegal entry exists and giving an abnormality alarm if the difference value is larger than or equal to a preset threshold value.
Specifically, the monitoring and control of the target entering the construction area is achieved by installing the video monitoring device 2 on the high-voltage electric tower. According to the AI algorithm, firstly, the video monitoring device 2 collects a first frame of picture and sends the first frame of picture to the controller, the image conversion module calculates a gray value, and stores the gray value, namely a defined early warning area, then collects a second frame of picture, the image conversion module calculates a gray value, and compares the gray value with the gray value stored in the previous time to calculate the gray change (namely a gray value difference value), and the change is stored. And continuously collecting a third frame of picture, calculating a gray value, comparing the gray value with the gray value stored in the previous time, calculating the gray change size, and judging by combining the gray change size in the previous time. If the difference between the current gray level change and the previous gray level change exceeds a preset threshold, the change of the target area is indicated, an alarm is generated, and the gray level value calculated at the current time is used for covering the gray level value calculated at the last time. The pictures are then continuously taken and analyzed by the algorithm of the previous step. At this time, a stable video monitoring period is entered, and monitoring analysis and alarm can be continuously carried out on the monitored area. The controller transmits the monitoring acquisition information to a manager to judge whether the mechanical equipment threatens the safety of the high-voltage line, if the mechanical equipment threatens the safety of the high-voltage line, the video alarm level is reduced, and the alarm is released after the target exits the dangerous area.
Describing in detail the specific structure of the laser height limiting device 1, the laser height limiting device 1 includes: the device comprises a laser, a damping support, a temperature and humidity monitoring component, a dehumidifying component, a temperature control component and a shell; the laser, the damping support, the temperature and humidity monitoring component, the dehumidifying component and the temperature control component are all arranged in the shell; the laser is arranged on the damping support; the signal output end of the temperature and humidity monitoring component is in communication connection with the signal input end of the controller, and the signal output end of the controller is in communication connection with the signal input ends of the dehumidifying component and the temperature control component. Vibration can be avoided as much as possible through the damping support, so that the influence on the stability of the system caused by the deviation of the light path due to vibration is prevented. The shell is sealed in a semi-closed mode, so that dust is reduced from entering the shell, and the normal operation of the system is ensured. The system uses 220V/10A stable alternating current power supply, ensures the reliability of the whole system, controls the voltage between 200V and 235V, and keeps the voltage stable. When the 12V laser is installed and used, the power supply is a solar power supply system so as to ensure the power supply safety of the laser. Specifically, a flexible shock absorbing means is provided on the shock absorbing mount, such as: springs, sponges, etc.
In this embodiment, the environment in which the apparatus is used should be kept dry, and in order to avoid malfunction of the electrical circuit of the apparatus due to humidity of the environment, the humidity should be controlled between 30% and 70%. The optimal working temperature of the laser is controlled between 5 ℃ and 35 ℃ by adopting an air cooling mode. The temperature and humidity monitoring component sends temperature and humidity data in the shell to the controller, and the controller compares the received temperature and humidity data with a preset temperature and humidity threshold value, so that the dehumidifying component and the temperature control component are controlled to work, and preset temperature and humidity working conditions are achieved.
In order to be able to conveniently adjust different height-limiting heights and irradiation angles, the laser height-limiting device 1 further comprises: lifting part, rotary part and base;
the lifting component is arranged on the base; the rotary part is arranged on the lifting end of the lifting part; the shell is arranged on the rotary part; the signal input ends of the lifting component and the rotating component are in communication connection with the signal output end of the controller; the lifting part, the rotating part and the base are all of conventional structures;
or alternatively, the first and second heat exchangers may be,
the rotary part is arranged on the base; the lifting component is arranged on the rotating component; the shell is arranged on the lifting end of the lifting part; the signal input ends of the lifting component and the rotating component are in communication connection with the signal output end of the controller. The controller controls the lifting component to ascend and descend by a preset height according to the actual height limiting requirement and the irradiation requirement, and controls the rotary component to rotate by a preset angle; the lifting part, the rotating part and the base are all of conventional structures.
In this embodiment, the lifting member is a power cylinder, for example: a cylinder or an oil cylinder. The rotary component is a rotary cylinder.
In order to monitor the lifting height of the lifting component, so as to accurately control the height limiting, avoid the occurrence of safety accidents, and further comprise: a first displacement monitoring component; the first displacement monitoring component is arranged on the lifting end of the lifting component; the signal output end of the first displacement monitoring component is in communication connection with the signal input end of the controller. The controller compares the received displacement data (i.e., the elevation height of the elevation member) transmitted from the first displacement monitoring member with a preset height, thereby judging whether the height of the laser beam emitted by the laser reaches the preset height. If the height of the laser beam emitted by the laser device is not consistent with the preset height, an alarm is sent out to remind related personnel to timely make countermeasures, so that construction accidents caused by inconsistent height limit are prevented. The first displacement monitoring component adopts a displacement monitor with a conventional structure.
In order to avoid damaging surrounding residents, garden trees or buildings and the like due to the strong power of the laser beam, the laser height limiting device 1 further comprises: a laser beam receiving plate; the laser beam receiving plate is arranged at the pointing end of the laser.
In order to monitor the rotation angle of the rotation member to ensure that the laser beam can be irradiated onto the laser beam receiving plate, further comprising: a second displacement monitoring component; the second displacement monitoring component is arranged on the rotary component; the signal output of the second displacement monitoring component is in communication with the signal input of the controller. The controller compares the received displacement data (namely the rotation angle of the rotation part) sent by the second displacement monitoring part with a preset angle, so as to judge whether the rotation angle of the rotation part is rotated in place. If the rotation angle of the rotation part is not consistent with the preset angle, an alarm is sent out to remind related personnel to timely take countermeasures, so that damage to surrounding residents, garden trees or buildings and the like due to the fact that laser beams are not irradiated on the laser beam receiving plate is avoided. The second displacement monitoring component adopts a displacement monitor of a conventional structure.
It should be noted that a plurality of lasers can be added, so that a better warning effect is achieved. Then the corresponding laser beam receiving plate is correspondingly added.
Describing in detail the specific structure of the isolation protection net 4, the isolation protection net 4 includes: insulating bearing net, warning triangle color flag and warning sign board; the insulating bearing net is arranged above the construction site area; the warning triangle colored flag and the warning sign board are arranged on the insulating bearing net. The warning triangle color flag is used for carrying out long-distance warning, and the warning sign board is used for carrying out short-distance warning, so that the warning effect is enhanced.
Specific application of the embodiment.
A cement pole hard isolation sealing net protection measure is installed below a 220kV loop post two-loop 8# -11#, 110kV loop antenna 7# -9# high-voltage overhead line, two side edges of the planned line are taken as the reference, and hard sealing net isolation is arranged at 10m positions on two sides of the planned line. The hard isolation is composed of a phi 190mm 15m pulling slightly non-prestressed cement pole, an insulating bearing rope, a warning triangle colored flag and a sign board. The total height of the cement poles is 15.0m when the diameter is 190mm, and the spacing between each cement pole is 35.0m. The cement pole floor is coated with yellow or black reflective color bands above 1.0m, a chassis is arranged below the cement pole floor, the chassis is 400mm multiplied by 600mm in size, and the chuck is 390 mm multiplied by 1200 in size. The bearing rope adopts phi 20 insulating ropes, triangular colored flags are hung on the insulating ropes, the spacing between the colored flags is 0.5 m, warning boards for 'danger of high-voltage lines, keeping safety distance' and the like are hung, every 4 adjacent cement poles are mutually connected and isolated to seal nets and hang the warning boards, the insulating bearing ropes are distributed in a net shape, and the isolated sealing nets and the wires keep the safety distance of more than 6 m. The whole protection section 220kV ring post and two-loop 8# -11# installation cement pole hard isolation sealing net protection measures: cement pole hard isolation sealing net protection measures are provided for the 7# 9 mounting cement pole with the length of 210 m and the width of 30 m and the 110kV loop antenna: 245 meters long and 25 meters wide.
In addition, two sets of video monitoring devices are arranged on the 220kV loop post first-pass 10# and 110kV loop antenna 8# towers, so that the conditions of controlling and monitoring potential safety hazards of a remote power company dispatching duty room on a construction site are achieved. The photographs of the live video surveillance device 2 are shown in fig. 2 and 3.
In addition, two sets of night laser height limiting devices 1 are arranged on the 8# towers of the 10# and 110kV loop antennas of the 220kV loop post, so that construction at night is prevented, and the effect of height limiting warning is achieved. It should be noted that, in order to guarantee the protection effect of laser warning light, laser beam is 1.5 meters in the below of wire bottommost radian point department, and about 1 meter department, after confirming, can fix the iron tower position that corresponds with the laser instrument. On the iron tower, still install the LED lamp and the below at the laser instrument is installed to the LED lamp to realize better warning effect. A photograph of the night laser height limiting device 1 in the field is shown in fig. 4.
In addition, a bamboo isolation fence (isolation fence 3) is arranged in the high-voltage line protection areas of the 9# -11# -and 110kV loop antennas 7# -9# of the 220kV loop post, a finished product is arranged outside a high-voltage tower foundation by 15 meters and is approximately rectangular, bamboo materials are used as raw materials, yellow and black warning marks are painted, and a warning propaganda board is arranged above the isolation fence so as to ensure that the purpose of isolating construction machinery and constructors from entering the high-voltage line protection areas is achieved (the length of the bamboo isolation fence is 550 meters).
The technical effects are as follows:
1. by installing the laser height limiting device 1, the situation that construction mechanical equipment collides or hangs up wires due to the fact that the wires in the mid-air cannot be seen in a non-bright construction site is avoided, the safe and stable operation of a power grid is seriously influenced, and the safe and stable operation of the power grid is effectively guaranteed. By installing the video monitoring device 2, the automatic judgment of the entrance of illegal personnel can be realized, so that the driving-off can be prompted as soon as possible, and the occurrence of personal injury accidents can be prevented. Through the communication between positioner and the controller on the construction equipment 5, can carry out the accurate positioning to the construction equipment 5 to avoid the emergence of mechanical injury accident. The isolation protective net 4 is arranged above the construction site area to prevent the high-voltage line above the isolation protective net from falling, so that safety accidents are further prevented. In addition, the periphery in the construction area is also provided with an isolation fence 3, thereby further preventing illegal entry of irrelevant personnel and further preventing safety accidents. The embodiment of the invention carries out early warning on the dangerous source of the construction area by combining a plurality of early warning modes, thereby effectively preventing construction accidents, effectively guaranteeing the personal safety of personnel and ensuring the normal operation of construction operation.
2. Through the use to lifting part and gyration part, can conveniently adjust different limit for height and irradiation angle.
3. Through the use to first displacement monitoring part, can monitor the lifting height of lifting part to accurate control limit for height avoids the emergence of incident.
4. Through the use of the laser beam receiving plate, the damage to surrounding residents, garden trees or buildings and the like caused by stronger power of the laser beam can be avoided.
5. By using the second displacement monitoring member, the rotation angle of the rotation member can be monitored to ensure that the laser beam can be irradiated onto the laser beam receiving plate.
6. The warning triangle color flag is used for carrying out long-distance warning, and the warning sign board is used for carrying out short-distance warning, so that the warning effect is enhanced.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (9)

1. An automatic early warning system in wisdom building site, its characterized in that: the device comprises a laser height limiting device (1), a video monitoring device (2), an isolation fence (3), an isolation protective net (4), a positioning device and a controller; the monitoring end of the video monitoring device (2) faces to a construction area; the isolation fence (3) is arranged at the periphery of the construction site area; the laser height limiting device (1) and the isolation protection net (4) are arranged above the construction site area; the positioning device is arranged on construction equipment (5); the video monitoring device (2) and the signal output end of the positioning device are both in communication connection with the signal input end of the controller, and the signal output end of the controller is in communication connection with the signal input end of the laser height limiting device (1).
2. The intelligent worksite automatic early warning system according to claim 1, wherein: the controller includes:
the positioning information receiving module is used for receiving the identification information and the position information sent by the positioning device; the position comparison module is used for comparing the position information with a target area of a preset visual platform; the identification module is used for judging whether the identification information is legal or not if the position information is in the target area; the timing module is used for starting timing if the identification information is illegal; and the overtime alarm module is used for sending out overtime alarm if the timing time reaches the preset time.
3. The intelligent worksite automatic early warning system according to claim 2, wherein: the controller further comprises: the target dangerous object modeling module is used for modeling the target dangerous object based on the actual coordinates through BIM software to obtain a target dangerous object model; and the target area demarcation module is used for importing the target dangerous object model into the visual platform through an absolute coordinate mode and demarcating the target area according to the coordinates of the target dangerous object.
4. An intelligent worksite automatic early warning system according to claim 3, characterized in that: the controller further comprises: a video image receiving module for receiving the monitoring image sent by the video monitoring device;
the image conversion module is used for converting the monitoring image into a Gray image to calculate a Gray value through a formula Gray (i, j) =0.299×r (i, j) +0.587×g (i, j) +0.144×b (i, j); wherein i is the X-axis coordinate of the pixel point in the image, and j is the Y-axis coordinate of the pixel point in the image;
the gray value difference calculation module is used for calculating the gray value difference between the gray value and the gray value of the next sampling moment;
the difference value calculation module is used for calculating the difference value between the gray value difference value and the gray value difference value of the next sampling moment;
the difference comparison module is used for comparing the difference with a preset threshold value;
and the abnormality alarm module is used for sending out an abnormality alarm if the difference value is greater than or equal to the preset threshold value.
5. The intelligent worksite automatic early warning system according to any one of claims 1 to 4, wherein: the laser height limiting device (1) comprises a laser, a damping support, a temperature and humidity monitoring component, a dehumidifying component, a temperature control component and a shell; the laser, the damping support, the temperature and humidity monitoring component, the dehumidifying component and the temperature control component are all arranged in the shell; the laser is arranged on the damping support; the signal output end of the temperature and humidity monitoring component is in communication connection with the signal input end of the controller, and the signal output end of the controller is in communication connection with the signal input ends of the dehumidifying component and the temperature control component.
6. The intelligent worksite automatic early warning system according to claim 5, wherein: the laser height limiting device (1) also comprises a lifting component, a rotating component and a base;
the lifting component is arranged on the base, the rotating component is arranged on the lifting end of the lifting component, the shell is arranged on the rotating component, and the signal input ends of the lifting component and the rotating component are in communication connection with the signal output end of the controller;
or the rotating part is arranged on the base, the lifting part is arranged on the rotating part, the shell is arranged on the lifting end of the lifting part, and the signal input ends of the lifting part and the rotating part are in communication connection with the signal output end of the controller.
7. The intelligent worksite automatic early warning system according to claim 6, wherein: the laser height limiting device (1) also comprises a laser beam receiving plate; the laser beam receiving plate is arranged at the pointing end of the laser.
8. An intelligent building site automatic early warning system according to any one of claims 1 to 4 and 6 to 7, characterized in that: the isolation protection net (4) comprises an insulation bearing net, a warning triangle colored flag and a warning sign board; the insulating bearing net is arranged above the construction site area; the warning triangle colored flag and the warning sign board are arranged on the insulating force-bearing net.
9. The intelligent worksite automatic early warning system according to claim 4, wherein: the laser height limiting device (1) comprises a laser, a damping support, a temperature and humidity monitoring component, a dehumidifying component, a temperature control component and a shell; the laser, the damping support, the temperature and humidity monitoring component, the dehumidifying component and the temperature control component are all arranged in the shell; the laser is arranged on the damping support; the signal output end of the temperature and humidity monitoring component is in communication connection with the signal input end of the controller, and the signal output end of the controller is in communication connection with the signal input ends of the dehumidifying component and the temperature control component; the laser height limiting device (1) further comprises a lifting component, a rotating component and a base; the lifting component is arranged on the base, the rotating component is arranged on the lifting end of the lifting component, the shell is arranged on the rotating component, and the signal input ends of the lifting component and the rotating component are in communication connection with the signal output end of the controller; or the rotating part is arranged on the base, the lifting part is arranged on the rotating part, the shell is arranged on the lifting end of the lifting part, and the signal input ends of the lifting part and the rotating part are in communication connection with the signal output end of the controller; the laser height limiting device (1) further comprises a laser beam receiving plate; the laser beam receiving plate is arranged at the pointing end of the laser; the isolation protection net (4) comprises an insulation bearing net, a warning triangle colored flag and a warning sign board; the insulating bearing net is arranged above the construction site area; the warning triangle colored flag and the warning sign board are arranged on the insulating force-bearing net.
CN202210029761.4A 2022-01-12 2022-01-12 Intelligent building site automatic early warning system Pending CN116466612A (en)

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Application Number Priority Date Filing Date Title
CN202210029761.4A CN116466612A (en) 2022-01-12 2022-01-12 Intelligent building site automatic early warning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210029761.4A CN116466612A (en) 2022-01-12 2022-01-12 Intelligent building site automatic early warning system

Publications (1)

Publication Number Publication Date
CN116466612A true CN116466612A (en) 2023-07-21

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CN202210029761.4A Pending CN116466612A (en) 2022-01-12 2022-01-12 Intelligent building site automatic early warning system

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Country Link
CN (1) CN116466612A (en)

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