CN111901560A - Remote detection video acquisition and monitoring system for static load test - Google Patents
Remote detection video acquisition and monitoring system for static load test Download PDFInfo
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- CN111901560A CN111901560A CN202010655474.5A CN202010655474A CN111901560A CN 111901560 A CN111901560 A CN 111901560A CN 202010655474 A CN202010655474 A CN 202010655474A CN 111901560 A CN111901560 A CN 111901560A
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- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
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- H—ELECTRICITY
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Abstract
The invention discloses a remote detection video acquisition and monitoring system for a static load test, which comprises a monitoring center, a transmission network unit and a front-end video acquisition unit, wherein the front-end video acquisition unit is connected with the monitoring center through the transmission network unit; the front-end video acquisition unit is used for acquiring on-site audio and video data in real time and transmitting the data to the monitoring center through the transmission network unit. The front-end video acquisition unit is in real-time communication with the monitoring center, so that the quality of the whole installation and detection process is guaranteed, the nonstandard operation in the installation and detection process is effectively checked, the authenticity and the normative of the installation and detection process are guaranteed, potential safety hazards can be timely eliminated, and the smooth operation of the test is guaranteed.
Description
Technical Field
The invention relates to a video processing technology, in particular to a remote detection video acquisition and monitoring system for a static load test.
Background
With the development of economy and the continuous acceleration of urbanization process, the building industry is developed vigorously, and the high-rise building trend is achieved, which puts a higher requirement on the bearing capacity of the foundation. The foundation detection is a key link for ensuring the construction quality of the foundation, is a last defense line for ensuring the safety of the foundation, and is a current problem of how to ensure the objective fairness of foundation detection data and the normalization of a field detection process.
The static load test is a test method for determining the corresponding vertical compression bearing capacity of a single pile, the vertical pulling bearing capacity of the single pile or the horizontal bearing capacity of the single pile by applying vertical pressure, vertical pulling force or horizontal thrust to the top of the pile step by step and observing the settlement, pulling displacement or horizontal displacement of the top of the pile along with the time, and is commonly referred to as a compression static load test, a pulling static load test and a horizontal static load test. The static load test is the most intuitive and effective method for detecting the bearing capacity of the foundation pile, can directly judge whether the bearing capacity of the foundation pile meets the design requirement or not, and is widely applied to all foundation pile projects. Meanwhile, the slab load test is the most effective method for judging the bearing capacity of the foundation for the rock foundation and the soil foundation, and is widely applied to the bearing capacity detection of natural foundations, soil foundation treatment and composite foundations.
The static load test detection equipment mainly comprises a jack, an oil pump, a steel beam, a dial indicator and the like, the traditional detection method is that after the detection equipment is installed, detection personnel load the jack through the oil pump on the spot, the data of the dial indicator is recorded manually according to the standard requirements, the normalization of the spot installation and the authenticity of the detection process are greatly influenced by human factors, the spot lacks effective supervision, the problems of counterfeiting and the like are easily caused, the authenticity and the accuracy of the detection are difficult to guarantee, and the reliability of the static load test result is reduced.
In recent years, with the continuous development of video monitoring technology, remote video acquisition and monitoring technology is becoming mature. The popularization and application of the technology are influenced because the video in the whole process of the traditional static load test cannot be effectively monitored, and the problem that how to utilize the latest video monitoring technology to carry out remote video acquisition and monitoring on the static load test becomes a problem in front of detection workers.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a remote detection video acquisition and monitoring system for a static load test, which can solve the problem that the field of the prior art depends on human record.
The purpose of the invention is realized by adopting the following technical scheme:
the system comprises a static load test remote detection video acquisition and monitoring system, a monitoring center, a transmission network unit and a front-end video acquisition unit, wherein the front-end video acquisition unit is connected with the monitoring center through the transmission network unit; the front-end video acquisition unit is used for acquiring on-site audio and video data in real time and transmitting the data to the monitoring center through the transmission network unit.
Preferably, the front-end video acquisition unit comprises an audio and video acquisition unit and an audio and video compression unit which are connected with each other, and the audio and video compression unit is connected with the transmission network unit.
Preferably, the monitoring center comprises an information receiving unit, an audio and video decoding unit, a voice communication unit, a video playing unit and a storage unit, wherein the information receiving unit, the audio and video decoding unit and the storage unit are sequentially connected, the voice communication unit and the video playing unit are both connected with the storage unit, and the information receiving unit is connected with the transmission network unit.
Preferably, the monitoring center further comprises a video recording unit and a playback unit, the video recording unit is connected with the video playing unit, and the playback unit is connected with the storage unit.
Preferably, the monitoring center further comprises a video searching unit, and the video searching unit is connected with the storage unit.
Preferably, the decoding mode of the audio and video decoding unit comprises at least one of H.265, MPEG-4part2 and AVS-P2.
Preferably, the audio and video data comprise audio data and video data, the video data comprise the installation position of a foundation pile static test jack, a full-view video of a loading counterforce device, and a position relation video among the detected pile, the counterforce pile and the reference pile.
Preferably, the audio and video data comprise audio data and video data, and the video data comprise the width or diameter of the test pit, the area of the bearing plate, the installation position information of the bearing plate, the overall appearance video of the loading counterforce device, and the position video of the bearing plate, the supporting pier of the ballast platform and the reference pile.
Preferably, the video data further includes videos of the loading counterforce device and the load displacement measurement system in different states, where the different states include before the test, at the time of the maximum test load, and at the time of the test termination.
Compared with the prior art, the invention has the beneficial effects that:
the front-end video acquisition unit is in real-time communication with the monitoring center, so that the installation and detection quality is guaranteed, the abnormal operation in the detection process is effectively checked, the authenticity and the normalization of the installation and detection process are guaranteed, the potential safety hazard can be timely eliminated, and the smooth test is guaranteed.
Drawings
Fig. 1 is a structural diagram of a remote detection video acquisition and monitoring system for a static load test according to the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings and the detailed description below:
as shown in fig. 1, the present invention provides a remote detection video acquisition and monitoring system for static load test, which includes a monitoring center, a transmission network unit and a front-end video acquisition unit, wherein the front-end video acquisition unit is connected with the monitoring center through the transmission network unit; the front-end video acquisition unit is used for acquiring on-site audio and video data in real time and transmitting the data to the monitoring center through the transmission network unit. The invention provides a high-automation, high-definition and high-visualization remote video acquisition and monitoring technology for static load tests. The problem of remote monitoring of the static load test is solved, the method can be widely applied to the remote monitoring of the static load test, and the method plays an important role in promoting the development of the static load test. The transmission network unit typically selects a wireless transmission, for example a WIFI unit. The monitoring center also supports the access of various terminal modes, including a B/S client, a C/S client and the like, audio and video communication should have the audio and video communication function between the client and a user, each device should support NTP/SNTP protocol to carry out timing, the platform has an identity authentication mechanism to the accessed video device, the packaging format of a video file is PS stream, and the platform conforms to the existing international standard of universal coding of information technology moving images and related audio information: requirements of System part ISO/IEC 13818-1.
The camera for collecting the video can adopt a network cloud deck camera and can also adopt a mobile camera; the camera should possess the function of compression coding digital (analog) video signal, should adopt the high definition camera of pixel 1920 x 1080 above to should have automatic diaphragm, automatic focusing, infrared camera shooting, automatic white balance function, the video image should the picture clear, the broadcast is smooth, and show date and time of gathering, can fast go forward and fast retreat and look over etc..
The monitoring center (hereinafter also referred to as a platform) can provide a unified user management mechanism, all users need to use the functions provided by the platform by authorization, and the authority can be given and recovered; management of platform equipment, front-end equipment and the like, including addition and deletion of equipment, configuration of equipment attribute items and the like; the network topology structure and the parameters can be monitored and inquired through the functional module; the performance monitoring, analysis and optimization of the platform equipment are supported; providing an operation log and an operation log, and providing various modes to facilitate the administrator to browse and retrieve log information; the alarm event and the log can be stored and managed, and the time is not less than six months.
As a preferred embodiment, the front-end video capture unit includes an audio/video capture unit and an audio/video compression unit connected to each other, and the audio/video compression unit is connected to the transmission network unit. The collected audio and video are compressed and coded and then sent to the monitoring center.
As a preferred embodiment, the monitoring center includes an information receiving unit, an audio/video decoding unit, a voice communication unit, a video playing unit and a storage unit, the information receiving unit, the audio/video decoding unit and the storage unit are sequentially connected, the voice communication unit and the video playing unit are both connected with the storage unit, and the information receiving unit is connected with the transmission network unit. The video playing unit is used for acquiring the video from the storage unit and playing the video. The information receiving unit receives the coded audio and video, the coded audio and video is decoded by the audio and video decoding unit and then stored in the storage unit. The voice communication unit can be used for the user to send voice signals to other units through the monitoring center.
As a preferred embodiment, the monitoring center further includes a video recording unit and a playback unit, the video recording unit is connected to the video playing unit, and the playback unit is connected to the storage unit. The video recording and playback can realize the unified video storage function in the platform, support modes such as timing video recording, manual video recording and alarm video recording, and the platform can support the streaming playback function.
In a preferred embodiment, the monitoring center further includes a video search unit, and the video search unit is connected to the storage unit.
The front-end video acquisition unit can provide high-definition and standard-definition real-time video information, and real-time audio and video parameter adjustment is required to be in accordance with the optional audio and video transmission types (video, audio and video simultaneous transmission) set by system parameters. In a preferred embodiment, the decoding mode of the audio/video decoding unit comprises at least one of H.265, MPEG-4part2 and AVS-P2. The video data preferably adopts the PAL system. The image resolution should support QCIF, CIF, 4CIF/D1, 720 p; VGA, QVGA, XGA, QXGA, 2CIF, 1080i, 1080p are optionally supported. The video quality and frame rate should meet the resolution CIF: under the conditions that the frame rate is 25F/s and the code stream amount is less than 384kbit/s, the requirement is more than or equal to 220TVL, and the network bandwidth required by the single-path video is not lower than 512 kbit/s; resolution 4 CIF/D1: when the frame rate is 25F/s and the code flow is less than 1.5Mbit/s, the requirement is more than or equal to 275TVL, the network bandwidth required by the single-path video is not lower than 2Mbit/s, the resolution is 720p, when the frame rate is 25F/s and the code flow is less than 3.5Mbit/s, the requirement is more than or equal to 650TVL, and the network bandwidth required by the single-path video is not lower than 4 Mbit/s.
In this embodiment, the front-end video acquisition unit may further have an alarm function, and the alarm parameters may set a state quantity port arming and disarming strategy, an analog quantity upper and lower limit strategy, and a local alarm linkage strategy. The alarm event control can support the report of the alarm event and can adopt two modes of local alarm and network alarm. The system has the following alarm linkage control functions including state quantity real-time output control and analog quantity alarm linkage control. And (3) performing alarm linkage strategy control: the method supports local linkage strategy storage, alarm output linkage such as detection, image movement detection, video loss and the like, supports preset position linkage of a camera, supports linkage video recording and can send alarm information through a network. And under the condition of network failure, the alarm information should be stored, and after the network is connected, the unreported alarm information should be timely transmitted.
The invention is mainly applied to the whole installation and detection process of a static test site, and preferably needs to acquire the full view of a loading counterforce device in order to overcome the defects of the prior art; the position relation among the detected pile, the counterforce pile (or counterforce buttress) and the reference pile; the position relation among the buttress, the bearing plate and the reference pile of the ballast platform. Therefore, the video information comprises a jack mounting position video, the width or diameter of a test pit, the area of the pressure bearing plate, a mounting position video of the pressure bearing plate and an overall appearance video of the loading counterforce device; video of the position relation among the detected pile, the counterforce pile (or counterforce buttress) and the reference pile; and (4) carrying out video of the position relation among the bearing plate, the ballast platform buttress and the reference pile.
As a preferred embodiment, the audio/video data includes audio data and video data, and the video data mainly includes an overall appearance video of the loading counterforce device, a positional relationship video of the foundation pile (bearing plate), the ballast platform buttress and the reference pile.
In a preferred embodiment, the video data further includes videos of the loading reaction device and the load displacement measurement system under different states, where the different states include before the test, at the time of the maximum test load, and at the time of the test termination.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (9)
1. The system for remotely detecting and collecting the video and monitoring the static load test is characterized by comprising a monitoring center, a transmission network unit and a front-end video collecting unit, wherein the front-end video collecting unit is connected with the monitoring center through the transmission network unit; the front-end video acquisition unit is used for acquiring on-site audio and video data in real time and transmitting the data to the monitoring center through the transmission network unit.
2. The system for remotely detecting and monitoring videos for the static load test as claimed in claim 1, wherein the front-end video acquisition unit comprises an audio and video acquisition unit and an audio and video compression unit which are connected with each other, and the audio and video compression unit is connected with the transmission network unit.
3. The system for remotely detecting and collecting the video and monitoring the static load test as claimed in claim 1, wherein the monitoring center comprises an information receiving unit, an audio and video decoding unit, a voice communication unit, a video playing unit and a storage unit, the information receiving unit, the audio and video decoding unit and the storage unit are sequentially connected, the voice communication unit and the video playing unit are both connected with the storage unit, and the information receiving unit is connected with the transmission network unit.
4. The system for remotely detecting and collecting video as claimed in claim 3, wherein the monitoring center further comprises a video recording unit and a playback unit, the video recording unit is connected to the video playing unit, and the playback unit is connected to the storage unit.
5. The system for remotely detecting and collecting video of claim 4, wherein the monitoring center further comprises a video search unit, and the video search unit is connected with the storage unit.
6. The system for remotely detecting and collecting video and monitoring the static load test as claimed in claim 3, wherein the decoding mode of the audio and video decoding unit comprises at least one of H.265, MPEG-4part2 and AVS-P2.
7. The system for remotely detecting, acquiring and monitoring videos in the static load test as claimed in claim 1, wherein the audio and video data includes audio data and video data, the video data includes a mounting position of a jack in the static load test of a foundation pile, a full-looking video of a loading counterforce device, and a video of a position relationship among the tested pile, the counterforce pile and the reference pile.
8. The system for remotely detecting, acquiring and monitoring videos in the static load test as claimed in claim 1, wherein the audio and video data includes audio data and video data, and the video data includes width or diameter of a flat plate load test pit, area of a bearing plate, installation position information of the bearing plate, overall appearance video of a loading counterforce device, and position video of the bearing plate, a ballast platform buttress and a reference pile.
9. The remote video capture and monitoring system for static test as claimed in claim 7 wherein the video data further comprises video of the loading reaction device and the load displacement measurement system under different conditions including before test, at maximum test load, and at test termination.
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| CN202010655474.5A CN111901560A (en) | 2020-07-09 | 2020-07-09 | Remote detection video acquisition and monitoring system for static load test |
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| CN202010655474.5A CN111901560A (en) | 2020-07-09 | 2020-07-09 | Remote detection video acquisition and monitoring system for static load test |
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