CN118196978A - Intelligent monitoring system for spherical tank safety construction - Google Patents
Intelligent monitoring system for spherical tank safety construction Download PDFInfo
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Abstract
The invention relates to the field of intelligent monitoring, in particular to an intelligent monitoring system for spherical tank safety construction, which comprises the following components: the data acquisition module is used for acquiring monitoring information of each construction stage of the spherical tank, the data storage module is composed of a first storage unit for temporarily storing the monitoring information, a second storage unit for storing the processed monitoring information and a third storage unit for storing preset characteristic profile information, and is used for determining acquisition resolution, judging whether storage of videos corresponding to interval time periods accords with preset standards or not, and determining whether a construction site is invaded or not.
Description
Technical Field
The invention relates to the field of intelligent monitoring, in particular to an intelligent monitoring system for spherical tank safety construction.
Background
The spherical tank construction relates to civil engineering, assembly, welding, heat treatment and water supply experimental stages, and the construction comprises various application scenes, so that the spherical tank construction safety monitoring is extremely important.
When the intelligent monitoring platform can master the information of the running state, the position and the like of the construction site equipment through the remote monitoring equipment in real time, and timely discover and process abnormal conditions. Meanwhile, operation data, environmental parameters and the like of the equipment are collected through the sensor and the intelligent equipment, and decision support is provided for equipment maintenance and construction management after analysis. In addition, the intelligent construction site system can conduct intelligent analysis according to collected data, timely gives out early warning or alarming to abnormal conditions, and improves the capability of handling emergency events.
Along with the upgrading of monitoring hardware and data technology, the intelligent monitoring platform generates massive monitoring data in the construction process, and the intelligent monitoring platform has great trouble on data retrieval and safety factor analysis in the construction process, so that the intelligent monitoring platform has remarkable significance on optimizing the monitoring data, improving the development of effective monitoring technology, analyzing the safety factor of construction and guaranteeing the safety construction of the spherical tank.
Disclosure of Invention
Therefore, the invention provides an intelligent monitoring system for spherical tank safety construction, which is used for solving the problems of data redundancy and low monitoring efficiency in the monitoring of spherical tank safety construction in the prior art.
To achieve the above object, the present invention provides an intelligent monitoring system for spherical tank safety construction, comprising:
The data acquisition module is used for acquiring monitoring information of each construction stage of the spherical tank and comprises a video acquisition unit used for acquiring video information of a construction site and a sound acquisition unit used for acquiring sound information of the construction site;
The data storage module is connected with the data acquisition module and comprises a first storage unit for temporarily storing the monitoring information acquired by the data acquisition module, a second storage unit for storing the processed monitoring information and a third storage unit for storing preset characteristic profile information;
The data processing module is respectively connected with the data acquisition module and the data storage module, and is used for determining the acquisition resolution of the video acquisition unit according to the spherical tank construction stage, judging whether the storage of the video in the corresponding interval period accords with a preset standard according to the difference contour ratio of two frames of video images with preset interval duration in the temporarily stored video information, and determining whether a construction site is invaded;
and the warning module is connected with the data processing module and used for sending out warning information according to the judgment result of the data processing module.
Further, the data processing module determines the acquisition resolution of the video acquisition unit according to the spherical tank construction stage, wherein,
If the spherical tank construction stage is a welding stage and a heat treatment stage, acquiring video information of a construction site by using a first resolution;
if the spherical tank construction stage is a civil engineering stage and an assembly stage, acquiring construction site video information by using a second resolution;
and if the spherical tank construction stage is a water feeding experimental stage, acquiring video information of the construction site by using a third resolution.
Further, the data processing module determines that the storage of the video of the interval period does not meet the preset standard based on the difference contour ratio of the two frames of video images of the preset interval period under the first preset condition,
Only two frames of video images are extracted and stored in the second storage unit, and the video information of the interval period before processing is deleted from the first storage unit,
Or alternatively, the first and second heat exchangers may be,
Extracting two frames of video images, discarding video information between the two frames of video images, storing the extracted two frames of video images and the video information after discarding the video information to the second storage unit, deleting the video information of the interval period before processing from the first storage unit,
Or alternatively, the first and second heat exchangers may be,
Determining a corresponding video storage strategy according to the frequency of the abnormal sound marking event in the interval period;
the first preset condition is that the first storage unit receives information acquired by the data acquisition module.
Further, the data processing module increases the preset interval duration of the two frames of video images in response to the accumulated time length with the distinguishing contour ratio of zero being greater than the preset duration threshold.
Further, the increasing amplitude of the preset interval duration is positively correlated with a duration adjustment difference value, wherein the duration adjustment difference value is a difference value between the accumulated duration with the difference profile occupation ratio being zero and a preset duration threshold value.
Further, the discard ratio of the discard process is inversely related to the distinguishing profile duty cycle.
Further, the data processing module determines a corresponding video storage policy based on the frequency of abnormal sound marker events within the interval period, wherein,
If the frequency is smaller than a preset frequency threshold, the data processing module extracts two frames of video images, compresses video information between the two frames of video images, stores the extracted two frames of video images and the compressed video information into the second storage unit, and deletes the video information of the interval period before processing from the first storage unit;
and if the frequency is greater than or equal to the preset frequency threshold, cutting and storing the video of the interval period from the first storage unit to the second storage unit, and reducing the preset interval duration of two frames of video images according to the difference value between the frequency and the preset frequency threshold.
Further, the compression ratio of the compression process is positively correlated with the compression adjustment difference; the compression adjustment difference value is a difference value between a preset frequency threshold value and the frequency of the abnormal sound marking event in the interval period.
Further, the data processing module marks an abnormal sound marking event as an event between the sound loudness being greater than a preset loudness threshold and the sound loudness being less than the preset loudness threshold in the sound information.
Further, the data processing module responds to the fact that the distinguishing contour ratio is larger than zero under a third preset condition, and determines construction site invasion and sends out warning information based on comparison of the frame video image and preset characteristic contour information stored in the third storage unit; the third preset condition is that the spherical tank construction stage is a water feeding experimental stage.
Compared with the prior art, the invention has the beneficial effects that: the data acquisition module is used for acquiring monitoring information of each construction stage of the spherical tank, the data storage module is composed of a first storage unit for temporarily storing the monitoring information, a second storage unit for storing the processed monitoring information and a third storage unit for storing preset characteristic profile information, and is used for determining acquisition resolution, judging whether storage of videos corresponding to interval periods accords with preset standards or not, and determining whether a construction site is invaded or not.
Furthermore, the invention preliminarily sets the corresponding acquisition resolution through the construction properties and safety requirements of different construction stages, and preliminarily optimizes the data volume of the acquired video.
Further, according to the invention, the corresponding data processing means are determined when the storage of the video in the interval period is judged to be not in accordance with the preset standard through the distinguishing contour ratio of the two frames of video images in the preset interval period, so that the safety monitoring data are effectively reserved according to the condition of the construction site.
Further, the invention increases the preset interval time of two frames of video images based on the accumulated time length with the distinguishing profile ratio of zero, thereby automatically optimizing the collection amount of data, further reducing the storage amount of the data and ensuring that effective monitoring data is screened out.
Further, the invention determines the corresponding video storage strategy based on the frequency of the abnormal sound marking event within the interval period, thereby accurately retaining effective safety monitoring data based on the site conditions of construction.
Furthermore, the data processing module provided by the invention is used for judging the invasion of the construction site in the water feeding experimental stage, so that the alarm is sent after the comparison of the profile information is determined to be a person, the person mistakenly entering the construction site is driven away, and the safety of the water feeding experimental stage is improved.
Drawings
FIG. 1 is a schematic diagram of an intelligent monitoring system for spherical tank safety construction according to an embodiment of the present invention;
FIG. 2 is a flow chart of determining the acquisition resolution of a video acquisition unit according to the spherical tank construction stage in accordance with an embodiment of the present invention;
FIG. 3 is a flowchart for determining whether the video storage corresponding to the interval period meets the preset standard according to the embodiment of the present invention;
FIG. 4 is a flowchart of determining a corresponding video storage policy based on the frequency of abnormal sound marker events within an interval period according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It should be noted that, the data in this embodiment are obtained by comprehensively analyzing and evaluating the historical monitoring data and the corresponding historical monitoring results in the three months before the current monitoring by the system of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3, and fig. 4, which are schematic structural diagrams of an intelligent monitoring system for spherical tank safety construction according to an embodiment of the invention; the embodiment of the invention determines a flow chart of the acquisition resolution of the video acquisition unit according to the spherical tank construction stage; the embodiment of the invention judges whether the storage of the video corresponding to the interval period accords with a flow chart of a preset standard or not; the embodiment of the invention determines a flow chart of a corresponding video storage strategy based on the frequency of abnormal sound marking events in the interval period.
The embodiment of the invention provides an intelligent monitoring system for spherical tank safety construction, which comprises the following components:
The data acquisition module is used for acquiring monitoring information of each construction stage of the spherical tank and comprises a video acquisition unit used for acquiring video information of a construction site and a sound acquisition unit used for acquiring sound information of the construction site;
The data storage module is connected with the data acquisition module and comprises a first storage unit for temporarily storing the monitoring information acquired by the data acquisition module, a second storage unit for storing the processed monitoring information and a third storage unit for storing preset characteristic profile information;
The data processing module is respectively connected with the data acquisition module and the data storage module, and is used for determining the acquisition resolution of the video acquisition unit according to the spherical tank construction stage, judging whether the storage of the video in the corresponding interval period accords with a preset standard according to the difference contour occupation ratio of two frames of video images with the preset interval period of 2s in the temporarily stored video information, and determining whether the construction site is invaded;
and the warning module is connected with the data processing module and used for sending out warning information according to the judgment result of the data processing module.
Specifically, the video acquisition unit, such as a camera, is not specifically limited, and only needs to satisfy that more than three resolution modes can be output.
Specifically, the sound collection unit, such as a sound sensor, is not specifically limited, and may be any unit that can collect the loudness of sound of the construction site.
Specifically, the data storage module, such as cloud storage, is not specifically limited, and only needs to satisfy that more than three storage partitions may be provided for storing data.
Specifically, the data processing module, for example, a PLC or a chip, is not particularly limited, and may be any module that outputs a corresponding processing result based on the input information.
Specifically, the warning module is provided with a buzzer, for example, without limitation, and is used for warning away from the construction area.
In particular, the data processing module determines the acquisition resolution of the video acquisition unit according to the spherical tank construction stage, wherein,
If the spherical tank construction stage is a welding stage and a heat treatment stage, acquiring video information of a construction site by using a first resolution;
if the spherical tank construction stage is a civil engineering stage and an assembly stage, acquiring construction site video information by using a second resolution;
If the spherical tank construction stage is a water feeding experimental stage, acquiring video information of a construction site by using a third resolution;
wherein the resolution of the first resolution is less than the resolution of the second resolution, which is less than the resolution of the third resolution, e.g., 640x480, 720x576 and 1440x1080.
Specifically, the data processing module determines whether the storage of the video of the interval period meets a preset standard based on the distinguishing contour ratio of two frames of video images of a preset interval period of 1s under a first preset condition, wherein,
If the distinguishing contour ratio is zero, judging that the storage of the video in the interval period does not accord with a preset standard, wherein the data processing module only extracts two frames of video images and stores the extracted video images in the second storage unit, and deletes the video information in the interval period before processing from the first storage unit;
If the distinguishing contour ratio is larger than zero and smaller than a first preset ratio threshold value by 5.25%, judging that the storage of the video in the interval period does not accord with a preset standard, extracting two frames of video images by the data processing module, discarding video information between the two frames of video images, storing the extracted two frames of video images and the video information after discarding to the second storage unit, and deleting the video information in the interval period before processing from the first storage unit;
if the difference profile duty ratio is greater than or equal to the first preset duty ratio threshold value and is smaller than the second preset duty ratio threshold value by 14.32%, judging that the storage of the video in the interval period does not accord with a preset standard, and determining a corresponding video storage strategy according to the frequency of the abnormal sound marking event in the interval period;
If the distinguishing profile duty ratio is greater than or equal to the second preset duty ratio threshold, judging that the storage of the video in the interval period accords with a preset standard, and cutting and storing the video in the interval period from a first storage unit to a second storage unit;
the first preset condition is that the first storage unit receives information acquired by the data acquisition module.
Specifically, the difference contour ratio is the ratio of the contour area surrounded by different parts of pixel points in two frames of video images with preset interval duration to the video image area.
Specifically, the data processing module increases the preset interval duration of two frames of video images when the cumulative time length of the distinguishing contour with the zero ratio is greater than the preset duration threshold for 5 min.
Specifically, the increasing amplitude of the preset interval duration is positively correlated with a duration adjustment difference value, the duration adjustment difference value is a difference value between the accumulated duration with the difference profile being zero and a preset duration threshold, and it is understood that the larger the duration adjustment difference value is, the larger the increasing amplitude of the preset interval duration is.
Specifically, the discard ratio of the discard process is inversely related to the distinguishing profile ratio, and it can be understood that the more the distinguishing profile ratio is in a section that is greater than zero and less than the first preset duty ratio threshold, the smaller the discard ratio of the discard process, the smaller the discard ratio for the video, and the higher the integrity of the video reservation.
In particular, the data processing module determines a corresponding video storage policy based on the frequency of abnormal sound marker events within the interval period 2s, wherein,
If the frequency is smaller than a preset frequency threshold value 2, the data processing module extracts two frames of video images, compresses video information between the two frames of video images, stores the extracted two frames of video images and the compressed video information into the second storage unit, and deletes the video information of the interval period before processing from the first storage unit;
if the frequency is greater than or equal to the preset frequency threshold, shearing and storing the video of the interval period from a first storage unit to a second storage unit, and reducing the preset interval duration of two frames of video images according to the difference value between the frequency and the preset frequency threshold;
Specifically, the data processing module marks an event between the sound loudness being greater than a preset loudness threshold and the sound loudness being less than the preset loudness threshold in the sound information as an abnormal sound marking event, and sets the preset loudness threshold to be 65dB.
Specifically, the compression ratio of the compression process is positively correlated with the compression adjustment difference; the compression adjustment difference value is a difference value between a preset frequency threshold value and the frequency of the abnormal sound marking event in the interval period.
Specifically, the data processing module responds to the fact that the distinguishing contour ratio is larger than zero under a third preset condition, determines that the construction site invades and sends out warning information based on comparison of the frame video image and preset characteristic contour information stored in the third storage unit; the third preset condition is that the spherical tank construction stage is a water feeding experiment stage, and it can be understood that the preset characteristic profile information stored in the third storage unit, such as profile information of a person, is identified as the person through profile information comparison, and then gives out an alarm, so that the person mistakenly entering the construction site is driven away, and the safety of the water feeding experiment stage is ensured.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A wisdom monitored control system for spherical tank safety construction, characterized by, include:
The data acquisition module is used for acquiring monitoring information of each construction stage of the spherical tank and comprises a video acquisition unit used for acquiring video information of a construction site and a sound acquisition unit used for acquiring sound information of the construction site;
The data storage module is connected with the data acquisition module and comprises a first storage unit for temporarily storing the monitoring information acquired by the data acquisition module, a second storage unit for storing the processed monitoring information and a third storage unit for storing preset characteristic profile information;
The data processing module is respectively connected with the data acquisition module and the data storage module, and is used for determining the acquisition resolution of the video acquisition unit according to the spherical tank construction stage, judging whether the storage of the video in the corresponding interval period accords with a preset standard according to the difference contour ratio of two frames of video images with preset interval duration in the temporarily stored video information, and determining whether a construction site is invaded;
and the warning module is connected with the data processing module and used for sending out warning information according to the judgment result of the data processing module.
2. The intelligent monitoring system for spherical tank safety construction according to claim 1, wherein the data processing module determines the acquisition resolution of the video acquisition unit according to the spherical tank construction stage, wherein,
If the spherical tank construction stage is a welding stage and a heat treatment stage, acquiring video information of a construction site by using a first resolution;
if the spherical tank construction stage is a civil engineering stage and an assembly stage, acquiring construction site video information by using a second resolution;
and if the spherical tank construction stage is a water feeding experimental stage, acquiring video information of the construction site by using a third resolution.
3. The intelligent monitoring system for spherical tank safety construction according to claim 2, wherein the data processing module determines that the storage of the video of the interval period does not meet a preset standard based on the difference profile ratio of the two frames of video images of the preset interval period under a first preset condition,
Only two frames of video images are extracted and stored in the second storage unit, and the video information of the interval period before processing is deleted from the first storage unit,
Or alternatively, the first and second heat exchangers may be,
Extracting two frames of video images, discarding video information between the two frames of video images, storing the extracted two frames of video images and the video information after discarding the video information to the second storage unit, deleting the video information of the interval period before processing from the first storage unit,
Or alternatively, the first and second heat exchangers may be,
Determining a corresponding video storage strategy according to the frequency of the abnormal sound marking event in the interval period;
the first preset condition is that the first storage unit receives information acquired by the data acquisition module.
4. The intelligent monitoring system for spherical tank safety construction of claim 3, wherein the data processing module increases the preset interval duration of two frames of video images in response to the cumulative time period of the distinguishing contour ratio being zero being greater than a preset duration threshold.
5. The intelligent monitoring system for safe construction of spherical tanks according to claim 4, wherein the increasing amplitude of the preset interval duration is positively correlated with a duration adjustment difference value, the duration adjustment difference value is a difference value between an accumulated duration with a distinguishing profile occupying ratio of zero and a preset duration threshold value.
6. The intelligent monitoring system for spherical tank safety construction according to claim 5, wherein the discard ratio of the discard process is inversely related to the distinguishing profile duty cycle.
7. The intelligent monitoring system for spherical tank safety construction according to claim 6, wherein the data processing module determines a corresponding video storage strategy based on the frequency of abnormal sound marker events over an interval period, wherein,
If the frequency is smaller than a preset frequency threshold, the data processing module extracts two frames of video images, compresses video information between the two frames of video images, stores the extracted two frames of video images and the compressed video information into the second storage unit, and deletes the video information of the interval period before processing from the first storage unit;
and if the frequency is greater than or equal to the preset frequency threshold, cutting and storing the video of the interval period from the first storage unit to the second storage unit, and reducing the preset interval duration of two frames of video images according to the difference value between the frequency and the preset frequency threshold.
8. The intelligent monitoring system for spherical tank safety construction according to claim 7, wherein the compression ratio of the compression process is positively correlated with the compression adjustment difference; the compression adjustment difference value is a difference value between a preset frequency threshold value and the frequency of the abnormal sound marking event in the interval period.
9. The intelligent monitoring system for spherical tank safety construction of claim 8, wherein the data processing module marks an abnormal sound marking event between a sound loudness greater than a preset loudness threshold and a sound loudness less than a preset loudness threshold in the sound information.
10. The intelligent monitoring system for spherical tank safety construction according to claim 9, wherein the data processing module determines a construction site intrusion and issues warning information based on a comparison of a frame video image and preset feature profile information stored in the third storage unit in response to a distinguishing profile ratio being greater than zero under a third preset condition; the third preset condition is that the spherical tank construction stage is a water feeding experimental stage.
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