CN-115342736-B - High formwork displacement monitoring system and monitoring method

CN115342736BCN 115342736 BCN115342736 BCN 115342736BCN-115342736-B

Abstract

The invention relates to the technical field of building construction template monitoring, in particular to a high formwork displacement monitoring system and a monitoring method, wherein the high formwork displacement monitoring system comprises an acquisition controller, a laser emitter and a CCD sensor, wherein the laser emitter and the CCD sensor are connected with the acquisition controller, a positioning sheet is arranged on a monitored point, the laser emitter emits laser to the monitored point, light rays are projected to the positioning sheet to form light points, the light points are projected to the CCD sensor, the CCD sensor transmits signals to the acquisition controller and then to a main server of an intelligent building site management platform through a total station communication module, and the main server is connected with a database, a display large screen and an alarm module.

Inventors

WEI DIANWEI
QIU RUI
FENG MINGJIA

Assignees

中国二十二冶集团有限公司

Dates

Publication Date: 20260512
Application Date: 20220822

Claims (7)

1. The high formwork displacement monitoring method is characterized by comprising a high formwork displacement monitoring system, wherein the high formwork displacement monitoring system comprises a plurality of data acquisition modules and a total station communication module in communication connection with the data acquisition modules, each data acquisition module comprises an acquisition controller and a monitoring component connected with the acquisition controller, each monitoring component comprises a laser emitter and a CCD sensor, the monitoring component also comprises a support frame, the monitoring component is detachably connected to the support frame, a positioning sheet is arranged on a monitored point, the laser emitters emit laser to the monitored point, the emitted laser beams are projected onto the positioning sheet to form light spots, and the light spots are projected onto the CCD sensor; the intelligent site management platform comprises a main server connected with the main station communication module, a database, a display large screen and an alarm module, an optical zoom filter positioned between a locating plate and a CCD sensor, a high formwork displacement monitoring method using a high formwork displacement monitoring system, and a system and a device, wherein the CCD sensor transmits a light spot position signal to the acquisition controller, the acquisition controller transmits the light spot position signal to the intelligent site management platform through the main station communication module, the intelligent site management platform comprises the main server connected with the main station communication module, the main server is connected with the database, the display large screen and the alarm module, the optical zoom filter is positioned between the locating plate and the CCD sensor, the system comprises the following steps of S1, installing the supporting frame, arranging the locating plate supporting frame for installing the locating plate at a monitored point of the high formwork scaffold, arranging the monitoring component supporting frame for monitoring the relative position change in the high formwork scaffold body at a monitored point of the high formwork scaffold, installing the monitoring component, enabling a laser emitter to be projected on the locating plate to form a light spot, and being projected on the CCD sensor, S2, the method comprises the steps of installing an optical zoom filter, arranging a filter support frame between a corresponding locating plate and a CCD sensor, installing the optical zoom filter on the filter support frame, adjusting the deflection angle of the optical zoom filter to enable the projection of a light spot to be clear, S3, collecting data, controlling a laser transmitter to emit laser beams to the locating plate to form the light spot by a data acquisition module, filtering and focusing the light spot by the optical zoom filter and projecting the light spot onto the CCD sensor, transmitting a light spot position signal to the data acquisition module by the CCD sensor, transmitting the light spot position signal to a main server of an intelligent site management platform by the acquisition module, S4, processing the data, storing the light spot position signal in a database according to the time dimension by the main server of the intelligent site management platform for long-term storage for call, calculating vector difference between the light spot position signal measured each time and an initial light spot position signal to obtain displacement, controlling and alarming values by the main server when the displacement reaches the displacement and alarming values, simultaneously, generating a report and real-time historical data by the main server, and generating a report and real-time historical data, and displaying the historical data.
2. The high formwork displacement monitoring method of claim 1, wherein the support comprises a monitoring component support for installing a monitoring component, a filter support for installing an optical zoom filter and a positioning piece support for installing a positioning piece, the monitoring component support is provided with a support plate, an isosceles triangle concave installation groove is formed in the support plate, and the laser emitter and the CCD sensor are respectively installed on two waist sides of the installation groove.
3. The high formwork displacement monitoring method according to claim 2, wherein two supporting plates are arranged on each monitoring component supporting frame and are arranged in a T shape, the laser transmitter comprises a first transmitter and a second transmitter, the CCD sensor comprises a first sensor and a second sensor, the first transmitter and the first sensor are arranged in a mounting groove of one supporting plate, and the second transmitter and the second sensor are arranged in a mounting groove of the other supporting plate.
4. The method for monitoring the displacement of the high formwork according to claim 1, wherein the acquisition controller comprises an acquisition processor, and the acquisition processor is connected with a signal adjusting circuit, an emission control circuit, a register output circuit, a DA conversion circuit, a shaping filter circuit and a substation wireless network communication unit, the signal adjusting circuit is in communication connection with the CCD sensor, the emission control circuit is in communication connection with the laser transmitter, and the substation wireless network communication unit is in communication connection with the master station communication module.
5. The method of high formwork displacement monitoring as claimed in claim 4, wherein the substation wireless network communication unit and the master station communication module are LORA wireless communication modules.
6. The method of claim 1, wherein step S1 further comprises providing a support frame for monitoring the overall position change of the high formwork scaffold body on the basis of the step S1, and installing another group of monitoring components.
7. The method of claim 6, further comprising a mobile terminal, wherein the mobile terminal can be connected with the master station communication module through WIFI or hot spots to connect with the master server, and acquire graphs and reports generated by real-time states, alarm information and historical data.

Description

High formwork displacement monitoring system and monitoring method Technical Field The invention relates to the technical field of building construction template monitoring, in particular to a high formwork displacement monitoring system and a monitoring method. Background With the acceleration of the urban process and the rapid development of the construction technology, the high formwork system is used as a formwork support system to be widely and widely applied, and due to the characteristics of diversity, complexity and high risk of the high formwork system, collapse accidents of the high formwork system frequently occur in recent years, so that higher requirements are put forward on the safety management of the high formwork. In the past, the traditional method for measuring the horizontal displacement of the high formwork mainly utilizes a total station and a reflecting sheet or utilizes a pull rope type displacement sensor to measure the variable quantity, the measurement mode of the total station and the reflecting sheet has the defects of high requirements on the viewing condition, incapability of measuring the internal condition of the bracket when the measuring point is arranged on the periphery of the bracket, and the like, and is difficult to achieve the effect of preventing accidents, while the pull rope type displacement sensor requires one end of a pull rope to be fixed on a rod piece to be monitored, the other end of the pull rope is fixed on a stable working datum point, and is easily interfered by external environments such as wind blowing, rain blowing, false collision of a scaffold during construction and the like in the process of monitoring the pull rope, so that the data is inaccurate, and the method is not suitable for large-area popularization and application. The prior art of a high formwork upright displacement real-time monitoring system based on CCD image sensor application is disclosed in the prior art, and the application discloses a high formwork upright displacement real-time monitoring system based on CCD image sensor application, which utilizes a laser emitter to emit laser, so that the laser irradiates a CCD panel to form a detection image, an analysis module analyzes the movement of the detection image and evaluates the displacement value of the high formwork upright according to the displacement value of the detection image, but the system has the following defects that 1, a laser line directly irradiates a CCD device, the CCD device is easy to age and lose efficacy and has short service life, 2, a laser emitting device and the CCD device are respectively arranged at an emitting point and a monitoring point, and the light receiving area of the CCD device is small, and the position of the on-site monitoring point is scattered and the distance is far, so that the difficulty is great in on-site installation and debugging. Disclosure of Invention The invention aims to solve the problems, and provides a high formwork displacement monitoring system and a monitoring method which can prolong the service life of a CCD device and are convenient to debug. The invention solves the problems, and adopts the following technical scheme: The utility model provides a high formwork displacement monitoring system, including a plurality of data acquisition module and with data acquisition module communication connection's total station communication module, data acquisition module includes acquisition controller and the monitoring module who is connected with acquisition controller, monitoring module includes laser emitter and CCD sensor, still include the support frame, monitoring module detachable connection is on the support frame, install the spacer on the monitored point, laser emitter is to the laser of being monitored point transmission, the laser pencil of the transmission throws the spacer and forms the light spot, the light spot projects on the CCD sensor, still include wisdom building site management platform, CCD sensor transmits the light spot position signal to acquisition controller, acquisition controller passes through total station communication module with light spot position signal and transmits wisdom building site management platform, wisdom building site management platform includes the main server who is connected with total station communication module, the main server is connected with the database, show large-scale and alarm module. Preferably, the invention further adopts the technical scheme that: the device also comprises an optical zoom filter which is positioned between the positioning sheet and the CCD sensor and is used for filtering out other spectrums such as natural light and the like, only laser is reserved to transmit, and the light spot is focused and projected onto the CCD sensor after being filtered and zoomed by the optical zoom filter. The support frame comprises a monitoring component support frame for installing a monitoring component, a filter