CN113160510A - Visual early warning method for construction dangerous area - Google Patents
Visual early warning method for construction dangerous area Download PDFInfo
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- CN113160510A CN113160510A CN202110597691.8A CN202110597691A CN113160510A CN 113160510 A CN113160510 A CN 113160510A CN 202110597691 A CN202110597691 A CN 202110597691A CN 113160510 A CN113160510 A CN 113160510A
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- 238000010276 construction Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000000007 visual effect Effects 0.000 title claims abstract description 13
- 230000004807 localization Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 52
- 238000012545 processing Methods 0.000 description 37
- 238000009435 building construction Methods 0.000 description 17
- 239000000428 dust Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
- G08B13/19613—Recognition of a predetermined image pattern or behaviour pattern indicating theft or intrusion
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a visual early warning method for construction dangerous areas, which relates to the safety management of construction workers, and comprises the following specific steps: 1) acquiring field video data from a proper position at a high position of a construction site; 2) identifying a construction worker and reading the coordinates of the construction worker; 3) tracking the track of a worker, judging the boundary relation between the track and the defined dangerous area, analyzing whether the worker enters the dangerous area, if the distance between the worker and the dangerous area is smaller than or equal to the manually defined distance, triggering early warning, otherwise, not triggering the early warning. Compared with the existing management technology, namely manual supervision, the method has great advantages in economy and efficiency, is simple and practical, can better realize the safety management of workers crossing into the dangerous area, and can effectively reduce the occurrence of construction safety accidents.
Description
Technical Field
The invention relates to the technical field of safety management of construction dangerous areas, in particular to a visual early warning method for the construction dangerous areas.
Background
The dangerous area of building construction is the area that takes place the incident easily on the building construction place, and for other areas on the building construction place, the dangerous area of building construction has the higher possibility of taking place the incident than other areas.
At present, safety management of construction engineering construction dangerous areas is mainly implemented in a personnel supervision mode, the construction safety management level of informatization and automation is low, and due to the fact that the field supervision capability of managers is very limited, whether construction workers are in dangerous areas or not is difficult to find out in time only in a visual observation mode, and safety accidents are possible.
With the development of computer technology, the computer vision technology can be used for positioning and tracking workers on a building construction site, whether the building workers are in a dangerous area or not is judged according to the relative distance between the position information of the workers and the boundary of the dangerous area defined manually, and whether early warning is triggered or not is determined, so that the method for performing vision early warning on the workers in the dangerous area of building construction by using the computer vision technology is feasible.
Disclosure of Invention
In order to solve the defects of the prior art and the limitation of monitoring means, the invention provides a visual early warning method for a dangerous area of building construction, which can well solve the problem that whether a construction worker is in the dangerous area or not is difficult to find in time.
In order to achieve the purpose, the invention provides the following technical scheme: a visual early warning method for a construction dangerous area comprises a shell, a camera, a left antenna, a right antenna and a fixed bottom plate, and is characterized by comprising the following steps:
the method comprises the following steps: acquiring field video data from a proper position at a high position of a construction site;
step two: identifying a construction worker and reading the coordinates of the construction worker;
step three: tracking the track of a worker and judging the boundary relation between the worker and the defined dangerous area to judge whether the worker enters the dangerous area, if the distance between the worker and the dangerous area is less than or equal to the manually defined distance, triggering early warning, otherwise, not triggering the early warning.
When the field video data is acquired in the first step, the method is characterized in that the monocular camera is adopted to acquire the video data of the construction field.
And the second step is realized by computer vision when the worker is identified and positioned.
The early warning method adopted in the third step is characterized in that the relation between the position of the worker identified in the second step and the boundary of the dangerous area set manually is analyzed, so that whether the construction worker is in the dangerous area or not is analyzed, the construction worker which is not in the dangerous area or cannot enter the dangerous area is marked by a green rectangular frame for the identified construction worker, the construction worker which is about to enter the dangerous area is early warned by a yellow rectangular frame mark for the track analysis result, and the construction worker which is in the dangerous area is early warned by a red rectangular frame mark.
The invention is suitable for safety management of workers entering dangerous areas on all building construction sites which are normally powered and cover a wireless local area network, and comprises a shell, a camera, a left antenna, a right antenna and a fixed bottom plate, wherein the camera is arranged below the shell, a power module, a wireless network module, a data processing module and a heat dissipation module are integrated in the shell, the left antenna and the right antenna are respectively fixed on the left side and the right side of the shell, and the front surface of the fixed bottom plate is connected with the back surface of the shell.
The shell is square metal structure, and the back and the positive sub-unit connection of PMKD of shell have set up left fixing bolt hole and right fixing bolt hole about PMKD upper portion respectively, and the left side upper portion of shell is provided with wireless network module louvre, and the left side lower part of shell is provided with the left louvre of data processing module, and the right side upper portion of shell is provided with the power module louvre, and the right side lower part of shell sets up the right louvre of data processing module.
The camera is connected with the camera base, camera base upper portion is connected below with the shell, and the camera base is located the camera safety cover, and camera safety cover upper portion is fixed below the shell by camera safety cover buckle.
The left antenna is of a ninety-degree right-angle circular rod-shaped structure, the right side of the left antenna is connected with the left side of the left antenna base, the right side of the left antenna base is connected with the left side of the shell, the right antenna is of a ninety-degree right-angle circular rod-shaped structure, the left side of the right antenna is connected with the right side of the right antenna base, and the left side of the right antenna base is connected with the right side of the shell.
The wireless network module is positioned at the left upper part inside the shell, and a wireless network module heat dissipation hole dustproof net is arranged at the position of a wireless network module heat dissipation hole inside the shell.
The power module is positioned at the upper right part of the inside of the shell, a power module heat dissipation hole dustproof net is arranged at the position of a power module heat dissipation hole in the shell, the front surface of the power module is in fit contact with the back surface of a power module heat conduction gasket, the front surface of the power module heat conduction gasket is in fit contact with the back surface of a heat conduction strip, and the visual early warning method for the dangerous area of building construction adopts 220V alternating current for power supply and supplies power to a camera, a data processing module, a wireless network module and a heat dissipation module after the power module transforms voltage.
The data processing module is located at the lower part of the shell, a dust screen of a left heat dissipation hole of the data processing module is arranged at the left heat dissipation hole of the data processing module in the shell, a heat dissipation module is arranged at the right heat dissipation hole of the data processing module in the shell, the right front side of the data processing module is in contact with the back surface of a heat conduction gasket of the data processing module in a laminating manner, and the front surface of the heat conduction gasket of the data processing module is in contact with the back surface of the heat conduction strip in a laminating manner.
The heat dissipation module is located on the left side of the right heat dissipation hole of the data processing module, the heat dissipation module is fixed on the front face inside the shell, a heat dissipation sheet is arranged at the right end of the heat dissipation module, the back face of the heat dissipation sheet is in fit contact with the front face of the heat conduction strip, the left end of the heat dissipation sheet is connected with the right end of the heat dissipation module, the left end of the heat dissipation module is connected with the right end of the electric motor, the fan blades are located inside the heat dissipation module, and the fan blades are connected with the electric motor through a rotating shaft of the heat dissipation device to achieve rotation.
Preferably, the visual early warning device for the dangerous area of building construction is suitable for safety management of workers entering the dangerous area on all building construction sites which are normally powered and cover a wireless local area network.
1. The invention provides a visual early warning method for a dangerous area of building construction, which is characterized in that on-site video data is obtained by fixing the video data at a proper position at the high position of a construction site, building workers are identified and image coordinates of the building workers are read, the tracks of the workers are tracked, and the relation between the tracks and the boundary of the defined dangerous area is judged to judge whether the workers enter the dangerous area, so that whether early warning is triggered or not is selected.
2. Compared with the existing management technology-manual supervision, the invention has great advantages in economy and working period, is simple to install, can simply realize the safety management of workers crossing into dangerous areas, and can effectively reduce the occurrence of construction safety accidents.
Drawings
FIG. 1 is a schematic flow chart of the operation of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 1. a housing; 2. a camera; 3. a left antenna; 4. a right antenna; 5. fixing the bottom plate; 6. a heat dissipation module; 601. an electric motor; 602. a radiator rotating shaft; 603. a fan blade; 604. a heat sink; 605. a right heat dissipation hole of the data processing module; 7. a camera head base; 8. a camera protective cover; 9. a camera protective cover buckle; 10. a left antenna base; 11. a right antenna base; 12. a left anchor bolt hole; 13. a left anchor bolt hole; 14. a wireless network module; 15. a wireless network module radiating hole; 16. a wireless network module heat dissipation hole dustproof net; 17. a power supply module; 18. a power module heat-conducting gasket; 19. a heat conducting strip; 20. a power module heat dissipation hole; 21. a dust screen for heat dissipation holes of the power module; 22. a data processing module; 23. a data processing module heat conducting gasket; 24. a left heat dissipation hole of the data processing module; 25. and the data processing module comprises a dust screen for the left heat dissipation hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the present invention provides a technical solution: the utility model provides a building construction danger area's vision early warning method, includes shell 1, camera 2, left antenna 3, right antenna 4 and PMKD 5, its characterized in that: the wireless local area network wireless power supply management system is suitable for managing workers entering dangerous areas on all building construction sites which are normally powered and cover a wireless local area network, the camera 2 is arranged below the shell 1, the power module 17, the wireless network module 14, the data processing module 22 and the heat dissipation module 6 are integrated in the shell, the left antenna 3 and the right antenna 4 are respectively fixed on the left side and the right side of the shell, and the front face of the fixed bottom plate 5 is connected with the back face of the shell 1.
The casing 1 is square metal structure, and the back of casing 1 and the positive sub-unit connection of PMKD 5 have set up left fixing bolt 12 holes and right fixing bolt hole 13 about PMKD 5 upper portion respectively, and the left side upper portion of casing 1 is provided with wireless network module louvre 15, and the left side lower part of casing 1 is provided with data processing module left side louvre 25, and the right side upper portion of casing 1 is provided with power module louvre 20, and the right side lower part of casing 1 sets up data processing module right side louvre 605.
The left antenna 3 is a right-angle right-circular rod-shaped structure, the right side of the left antenna 3 is connected with the left side of the left antenna base 10, the right side of the left antenna base 10 is connected with the left side of the shell 1, the right antenna 4 is a right-angle right-circular rod-shaped structure, the left side of the right antenna 4 is connected with the right side of the right antenna base 11, and the left side of the right antenna base 11 is connected with the right side of the shell 1.
The wireless network module 14 is positioned at the left upper part inside the shell 1, and a wireless network module heat dissipation hole dust screen 16 is arranged at a wireless network module heat dissipation hole 15 inside the shell 1.
The power module 17 is located at the upper right part inside the shell 1, a power module heat dissipation hole dustproof net 21 is arranged at a power module heat dissipation hole 20 inside the shell 1, the front surface of the power module 17 is in fit contact with the back surface of a power module heat conduction gasket 18, the front surface of the power module heat conduction gasket 18 is in fit contact with the back surface of a heat conduction strip 19, 220V alternating current is adopted for supplying power for the visual early warning method of the dangerous area of building construction, and the power is supplied to the camera 2, the data processing module 22, the wireless network module 14 and the heat dissipation module 6 after the voltage transformation of the power module 17.
The data processing module 22 is located at the lower part of the inside of the shell 1, a data processing module left heat dissipation hole dustproof net 25 is arranged at a data processing module left heat dissipation hole 24 of the inside of the shell 1, a data processing module right heat dissipation hole 605 is arranged on the right side of the heat dissipation module 22 of the shell 1, the right side of the front side of the data processing module 22 is in contact with the back side of a data processing module heat conduction gasket 23 in a fitting mode, and the front side of the data processing module heat conduction gasket 23 is in contact with the back side of a heat conduction strip 19 in a fitting mode.
The heat dissipation module 6 is located on the left side of a right heat dissipation hole 605 of the data processing module, the heat dissipation module 6 is fixed on the front surface inside the shell 1, a heat dissipation fin 604 is arranged at the right end of the heat dissipation module 1, the back surface of the heat dissipation fin 604 is in contact with the front surface of the heat conduction strip 19 in an attaching mode, the left end of the heat dissipation fin 604 is connected with the right end of the heat dissipation module 6, the left end of the heat dissipation module 6 is connected with the right end of the electric motor 601, the fan blades 603 are located inside the heat dissipation module, and the fan blades 603 are connected with the electric motor 601 through a heat dissipation rotating shaft 602 to achieve rotation.
The working principle is as follows: the working principle of the visual early warning device for the dangerous area of building construction is that the device is fixed at a place suitable for collecting video information of a building construction site through a fixed bottom plate 5, then power is supplied to the device through a power module 17, video information of the construction site is collected by a camera 2, a wireless network module 14 is used for carrying out data transmission with a computer, a data processing module 22 processes the video data collected by the camera 2, a construction worker in a video is identified and the identified construction worker is positioned and tracked, boundary information of the dangerous area defined manually is transmitted to the data processing module 22 through the wireless network module 14 for storage, the data processing module 22 carries out analysis and judgment on the boundary of the dangerous area defined manually through identified worker position information, and the data processing module 22 transmits the analyzed video information to the computer through the wireless network module 14, for the identified construction workers, the construction workers which are not in the dangerous area or cannot enter the dangerous area in the track analysis are marked by green rectangular frames, the construction workers which are about to enter the dangerous area in the track analysis result are early warned by yellow rectangular frame marks, and the construction workers in the dangerous area are early warned by red rectangular frame marks.
The left antenna 3 and the right antenna 4 form a double-antenna design, the data transmission capability of the wireless network module 14 is enhanced, the heat transfer performance between the power module 17 and the heat conducting strip 19 is improved by arranging the power module heat conducting gasket 18, the heat transfer performance between the data processing module 22 and the heat conducting strip 19 is improved by arranging the data processing module heat conducting gasket 23, the wireless network module heat dissipation hole dustproof net 16 is arranged, the power module heat dissipation hole dustproof net 16 and the data processing module left heat dissipation hole dustproof net 25 are arranged, the erosion of internal components caused by dust entering the device is prevented, the heat generated when the power module 17 and the data processing module 22 work is brought to the radiating fins 604 of the radiating module 6 through the heat conducting strip 19, so that a good radiating effect is achieved, and the stable operation of the device is ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A visual early warning method for construction dangerous areas is characterized by comprising the following steps:
the method comprises the following steps: acquiring field video data from a proper position at a high position of a construction site;
step two: identifying a construction worker and reading the coordinates of the construction worker;
step three: tracking the track of a worker and judging the boundary relation between the worker and the defined dangerous area to judge whether the worker enters the dangerous area, if the distance between the worker and the dangerous area is less than or equal to the manually defined distance, triggering early warning, otherwise, not triggering the early warning.
2. The method for acquiring the video data of the construction site according to the first step of claim 1, wherein a monocular camera is used for acquiring the video data of the construction site.
3. The worker identification and localization tracking according to the second step of claim 1, wherein the tracking is performed by computer vision.
4. The early warning method adopted in the third step of claim 1, wherein the relation between the position of the worker identified in the second step and the boundary of the dangerous area defined manually is analyzed, so as to analyze whether the construction worker is in the dangerous area, for the identified construction worker, the construction worker which is not in the dangerous area or cannot enter the dangerous area is marked by a green rectangular frame, for the construction worker which is about to enter the dangerous area as a result of the track analysis, the early warning is performed by a yellow rectangular frame mark, and for the construction worker which is in the dangerous area, the early warning is performed by a red rectangular frame mark.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110597691.8A CN113160510A (en) | 2021-05-31 | 2021-05-31 | Visual early warning method for construction dangerous area |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110597691.8A CN113160510A (en) | 2021-05-31 | 2021-05-31 | Visual early warning method for construction dangerous area |
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| CN113160510A true CN113160510A (en) | 2021-07-23 |
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| CN202110597691.8A Pending CN113160510A (en) | 2021-05-31 | 2021-05-31 | Visual early warning method for construction dangerous area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114727063A (en) * | 2022-04-02 | 2022-07-08 | 清华大学 | Path safety monitoring system, method and device for construction site |
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| CN208172945U (en) * | 2018-03-12 | 2018-11-30 | 喆设科技（天津）有限公司 | A kind of video monitoring warning device |
| CN110110657A (en) * | 2019-05-07 | 2019-08-09 | 中冶赛迪重庆信息技术有限公司 | Method for early warning, device, equipment and the storage medium of visual identity danger |
| CN210428816U (en) * | 2019-09-10 | 2020-04-28 | 中网道科技集团股份有限公司 | Wisdom traffic safety alarm device |
-
2021
- 2021-05-31 CN CN202110597691.8A patent/CN113160510A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012203677A (en) * | 2011-03-25 | 2012-10-22 | Penta Ocean Construction Co Ltd | Safety management system |
| CN106940919A (en) * | 2017-04-17 | 2017-07-11 | 三峡大学 | A kind of electric line foreign matter intrusion detection intelligent early-warning method |
| CN107818651A (en) * | 2017-10-27 | 2018-03-20 | 华润电力技术研究院有限公司 | A kind of illegal cross-border warning method and device based on video monitoring |
| CN208172945U (en) * | 2018-03-12 | 2018-11-30 | 喆设科技（天津）有限公司 | A kind of video monitoring warning device |
| CN110110657A (en) * | 2019-05-07 | 2019-08-09 | 中冶赛迪重庆信息技术有限公司 | Method for early warning, device, equipment and the storage medium of visual identity danger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114727063A (en) * | 2022-04-02 | 2022-07-08 | 清华大学 | Path safety monitoring system, method and device for construction site |
| CN114727063B (en) * | 2022-04-02 | 2022-11-25 | 清华大学 | Path safety monitoring system, method and device for construction site |
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Application publication date: 20210723 |