阅读说明：本技术 一种基于bim模型的塔吊监测与实时报警系统 (Tower crane monitoring and real-time alarm system based on BIM model ) 是由 袁涛 曾鹏 张仕江 郑洋 金大鑫 刘淇源 王燚凯 于 2019-11-23 设计创作，主要内容包括：本发明公开了一种基于BIM模型的塔吊监测与实时报警系统,包括塔吊监测端和BIM模型端,塔吊监测端包括吊臂监测端和塔身监测端,吊臂监测端包括长度监测模块、吊臂倾斜度监测模块、提取物尺寸模糊估算模块；塔身监测端包括塔身倾斜度监测模块、高度监测模块；BIM模型端包括将塔吊监测端监测的数据进行整合的数据整合模块,用于根据数据整合模块提取的信息进行仿真的仿真模块,用于估算工时的工作量布置模块；还包括报警端,用于现场产生异常情况或BIM模型端产生异常数据时发出报警。本发明能够对塔吊进行实时监测,随时掌握塔吊的信息,能够有效防止塔吊群发生碰撞的问题,并方便后期的应用拓展。(The invention discloses a tower crane monitoring and real-time alarming system based on a BIM (building information modeling) model, which comprises a tower crane monitoring end and a BIM model end, wherein the tower crane monitoring end comprises a suspension arm monitoring end and a tower body monitoring end, and the suspension arm monitoring end comprises a length monitoring module, a suspension arm gradient monitoring module and an extract size fuzzy estimation module; the tower body monitoring end comprises a tower body inclination monitoring module and a tower body height monitoring module; the BIM model end comprises a data integration module for integrating data monitored by the tower crane monitoring end, a simulation module for simulating according to information extracted by the data integration module, and a workload arrangement module for estimating working hours; the BIM monitoring system also comprises an alarm end which is used for giving an alarm when abnormal conditions are generated on site or abnormal data are generated at the BIM model end. The invention can monitor the tower crane in real time, master the information of the tower crane at any time, effectively prevent the collision of tower crane groups and facilitate the later application expansion.)

1. The utility model provides a tower crane monitoring and real-time alarm system based on BIM model which characterized in that: the system comprises a tower crane monitoring end and a BIM model end; the monitoring end of the tower crane is in signal connection with the BIM model end through a wireless transmission module;

the tower crane monitoring end comprises a suspension arm monitoring end and a tower body monitoring end; the suspension arm monitoring end comprises a suspension arm length monitoring module, a suspension arm inclination monitoring module and an extract size fuzzy estimation module; the tower body monitoring end comprises a tower body inclination monitoring module and a tower body height monitoring module;

the BIM model end comprises a data integration module for integrating data monitored by the tower crane monitoring end, a simulation module for simulating according to information extracted by the data integration module, and a workload arrangement module for estimating working hours;

the monitoring system also comprises an alarm end which is used for sending out an alarm when the monitoring data is abnormal.

2. The BIM model-based tower crane monitoring and real-time alarming system according to claim 1, characterized in that: the suspension arm length monitoring module comprises fixed length and telescopic length monitoring; the suspension arm inclination monitoring module monitors the inclination by arranging a leveling instrument at the end of the suspension arm; the size of the extract is obtained by the extract size fuzzy estimation module through an image recognition device, and the safe distance of tower crane construction is obtained through BIM simulation.

3. The BIM model-based tower crane monitoring and real-time alarming system according to claim 1, characterized in that: the tower body inclination monitoring module is used for monitoring the tower body inclination by using a monitor at a horizontal distance which is 1.5 times of the height of the tower crane, or obtaining the tower body inclination by using a leveling rod; the height monitoring module is used for obtaining the safety distance of tower crane construction through manual input and BIM end simulation.

4. The BIM model-based tower crane monitoring and real-time alarm system according to claim 1, 2 or 3, wherein: BIM model end still includes tower crane management module for numbering a plurality of tower cranes to store corresponding tower crane information.

5. The BIM model-based tower crane monitoring and real-time alarming system according to claim 4, characterized in that: the BIM model end further comprises an information input module used for manually inputting product information of the tower crane, construction information of a construction site and maintenance information.

6. The BIM model-based tower crane monitoring and real-time alarming system according to claim 4, characterized in that: the tower crane monitoring end further comprises a crane monitoring end, and the crane monitoring end comprises an extract weight monitoring module, a balance monitoring module, a wind power monitoring module and a position detection module.

7. The BIM model-based tower crane monitoring and real-time alarming system according to claim 4, characterized in that: the alarm end comprises a field alarm module and a BIM end alarm module.

8. The BIM model-based tower crane monitoring and real-time alarming system according to claim 4, characterized in that: the monitoring end of the tower crane acquires real-time information of each driving motor through a rotary sensor, the height sensor acquires the height of the suspension arm, the amplitude sensor acquires the rotation position of the suspension arm, and the inclination angle detection device acquires the inclination of the tower body.

Technical Field

The invention belongs to the technical field of construction, particularly belongs to the technical field of intelligent control of construction machinery, and particularly relates to a tower crane monitoring and real-time alarming system based on a BIM (building information modeling).

Background

With the development of society, the problems of environmental protection, safe production and the like are increasingly concerned, a large amount of power energy, reinforced concrete and other resources are consumed in the construction process of buildings, the environment is greatly influenced, and meanwhile, the complexity and the danger of a construction site determine the importance of safe construction. Therefore, the concept of green and safe construction is more and more emphasized by governments, construction units and construction units, and relevant policies and standards of corresponding countries, places and enterprises are continuously released and updated. Under the background, technical research and application of safety real-time monitoring and alarming for building engineering are developed, and real-time monitoring and management of resources, environment and safety information in the construction process are very necessary.

Building Information Modeling (BIM) is a three-dimensional Building model established on the basis of various relevant Information data of a construction project, and real Information of a Building is simulated through digital Information. The method has eight characteristics of information completeness, information relevance, information consistency, visualization, coordination, simulation, optimization and diagraph. It is not simply to integrate digital information, but is an application of digital information and can be used for a digital method of design, construction, management. With the development of the field of domestic building design, the BIM has been primarily applied to the building engineering industry and shows great commercial value, but the current application situation of the BIM still has great limitation, and the economic benefit and the social benefit which are created by the revolution of the building engineering field led by the BIM are only one corner of iceberg. Many engineering enterprises with prospective and strategic eyes in China begin to think how to apply the BIM technology to improve project management level and enterprise core competitiveness. The maximum value of the BIM technology application is in the full life cycle of building opening. The method supports the integrated management environment of the construction engineering, can obviously improve the efficiency of the construction engineering in the whole process and greatly reduce the risk.

Disclosure of Invention

The invention aims to provide a tower crane monitoring and real-time alarming system based on a BIM model, which can monitor a tower crane and a tower crane group in real time and effectively prevent the tower crane from breaking down and colliding.

The invention is realized by the following technical scheme:

a tower crane monitoring and real-time alarming system based on a BIM (building information modeling) model comprises a tower crane monitoring end and a BIM model end, wherein the tower crane monitoring end comprises a suspension arm monitoring end and a tower body monitoring end, and the suspension arm monitoring end comprises a length monitoring module, a suspension arm gradient monitoring module and an extract size fuzzy estimation module; the tower body monitoring end comprises a tower body inclination monitoring module and a tower body height monitoring module;

the BIM model end comprises a data integration module for integrating data monitored by the tower crane monitoring end, a simulation module for simulating according to information extracted by the data integration module, and a workload arrangement module for estimating working hours;

the BIM monitoring system also comprises an alarm end which is used for giving an alarm when abnormal conditions are generated on site or abnormal data are generated at the BIM model end.

The length of the suspension arm is divided into two categories of fixed length and telescopic length, the fixed length can input the length to the BIM model end, a safety range is obtained through calculation, and the telescopic length can be calculated again according to the telescopic length to obtain the safety range; the inclination of the suspension arm can be monitored by arranging a leveling instrument at the end of the suspension arm; the approximate size of the extract can be obtained through an image recognition device by fuzzy estimation of the extract size, and the safe distance of tower crane construction is obtained through BIM simulation; the tower body inclination monitoring method comprises the steps of monitoring by using a monitor at a horizontal distance which is 1.5 times of the height of the tower crane to obtain the tower body inclination, and acquiring data by using a horizontal ruler; the height monitoring method can obtain the safety distance of tower crane construction through manual input and simulation of the BIM end.

The length and the inclination of the suspension arm can be detected in the following ways: the length angle sensor is characterized in that a PCB is installed in the length angle sensor, the upper portion of the length angle sensor is a PCB steel body cover, the bottom of the length angle sensor is a spring steel body shell, two sets of reverse springs are arranged in the spring steel body shell, and the length and the gradient of the suspension arm are obtained by detecting according to corresponding devices.

The method comprises the steps of obtaining the gradient of the tower crane, firstly erecting a theodolite at a position which is 1.5 times of the horizontal distance away from the height of the tower crane, aiming at the top of the tower crane, measuring by using the theodolite, making a mark, measuring the horizontal distance between the theodolite and the bottom, observing two measured returns by using a forward and backward mirror casting method, and taking an average value.

By adopting the technical scheme, the tower body monitoring end is used for monitoring the inclination of the tower body in the construction operation process, so that accidents caused by excessive inclination of the tower body are effectively prevented; davit gradient monitoring module is used for the monitoring to the operation thing weight that the tower crane bore, guarantee that operation thing weight is in the safety range of tower crane, prevent accident's emergence, height monitoring module, the fuzzy estimation module of length monitoring module and extract product size is used for confirming real-time condition and the real-time position of tower crane, know the operation thing position of tower crane, integrate these data, can model the tower crane crowd, and input the running direction of davit, then simulate, can effectively manage the tower crane crowd, under the condition that does not receive the collision, realize the most efficient operating efficiency.

The invention can realize a series of safety data monitoring on the tower cranes, and can manage the tower crane group formed by a plurality of tower cranes, thereby effectively preventing the tower cranes from colliding with each other and effectively improving the working efficiency of the tower crane group.

The BIM model end also comprises a tower crane management module which is used for numbering a plurality of tower cranes and respectively storing the information of corresponding tower cranes.

By adopting the technical scheme, the tower crane group is numbered, can be more intuitively and clearly in the process of carrying out simulation, and can quickly send out instructions, so that an operator can quickly know more accurate information, and then quickly manage the tower crane group to quickly deal with the emergency situation.

The BIM model end further comprises an information input module used for manually inputting product information of the tower crane, construction information of a construction site and maintenance information.

By adopting the technical scheme, the BIM model end can acquire various information, including the working range of the tower crane, the operation weight range, the actual area of a construction site, the abrasion degree of the tower crane and other related information, and the modules are arranged through the workload, so that the construction operation can be completed more effectively and quickly, and the construction cost is reduced.

The tower crane monitoring end also comprises a crane monitoring end, and the crane monitoring end comprises an extract weight monitoring module, a balance monitoring module, a wind power monitoring module and a position detection module.

By adopting the technical scheme, the real-time information of the crane can be more accurately known by using various monitoring modules of the crane, so that the more detailed real-time information in the tower crane operation process is provided, and further the monitoring of the more accurate tower crane and the maintenance and management problems in the tower crane operation process are realized.

The crane can monitor the weight of the extract by utilizing a gravity sensor arranged above, and the weight of the extract has different conditions due to the influence of wind power and the like in the process of lifting up and down, so that the factor of the change range of the weight of the extract needs to be referred; the balance monitoring can also be carried out through a level ruler, the wind power monitoring is carried out through a wind speed sensor, and the position detection module can carry out monitoring through a relative displacement sensor so as to determine the relative position of the crane and the tower body and further carry out monitoring of the weight requirements of extracts of the crane at different positions.

The alarm end comprises a field alarm module and a BIM end alarm module.

By adopting the technical scheme, the plurality of alarm modules are convenient for on-site condition expression and information collection at the background operation position, emergency situations can be timely processed, and more scientific and more efficient emergency processing modes can be obtained.

The tower crane monitoring system of the invention also comprises: the system comprises a wireless transmission module, a rotary sensor, a height sensor, a wind speed sensor, a hanging weight sensor, a variable amplitude sensor, an inclination angle detection device, a face recognition device, a GPS (global positioning system) locator and a display.

The wireless transmission module can use 4G, Wifi, infrared and the like to carry out signal connection on various sensors and the BIM end, based on the infrared transmission distance, a signal receiving point can be arranged on the site and then sent to the BIM end, the rotary sensor can be used for controlling the real-time monitoring of the motor, the height sensor is used for detecting the height of the suspension arm, and as the relative heights of two sides of the suspension arm can be changed in the process of extracting heavy objects by the suspension arm, the data can assist in carrying out safety monitoring; the wind speed sensor is used for monitoring the wind speed in the construction operation process, and the hoisting weight sensor is used for auxiliary monitoring of the weight of the extracted heavy object; the amplitude variation sensor is used for monitoring the position of the crane; inclination detection device is used for carrying out real-time supervision to the gradient of body of the tower, has avoided the trouble of artificial detection, and the GPS locater is used for detecting the control chamber position, and face recognition device is used for discerning the driver, prevents that machinery from being indiscriminate to use, and operating personnel accessible brush fingerprint starts in addition, and the record that the action of its operation formed will also be kept in step to other places of usefulness of transferring.

The rotary sensor can be a rich rotary sensor or a GK rotary sensor, and has the advantages of good induction effect, low economic cost and the like; by using the sensors and the devices, real-time information of the tower crane can be known in detail, and the information is processed visually, so that people can know related information more intuitively; the tower crane monitoring device comprises but is not limited to the tower crane monitoring and real-time alarm system based on the BIM model mentioned above; the corresponding devices can be freely combined on the basis of use.

The tower crane monitoring device further comprises a camera and a display screen connected with the camera in a signal mode, and the display screen is installed in a tower crane operating room.

By adopting the technical scheme, the camera can capture more scenes, the visual field of operators is increased, and the anti-collision purpose is effectively achieved.

In conclusion, the invention has the following beneficial effects:

(1) the tower crane monitoring and real-time alarming system based on the BIM can monitor the tower crane in real time and master the information of the tower crane at any time;

(2) the tower crane monitoring and real-time alarming system based on the BIM can effectively prevent the collision problem of a tower crane group;

(3) the tower crane monitoring and real-time alarming system based on the BIM model is convenient for later-stage expansion;

(4) the tower crane monitoring and real-time alarming system based on the BIM has good application effect and high economical efficiency.

Drawings

FIG. 1 is a block diagram of the architecture of a system according to an embodiment of the invention;

fig. 2 is a schematic diagram of a system layout state according to an embodiment of the present invention.

Detailed Description

The present invention is further described below in conjunction with the following detailed description, which is intended to further illustrate the principles of the invention and is not intended to limit the invention in any way, but is equivalent or analogous to the present invention without departing from its scope.

With reference to the attached drawings.

The tower crane monitoring and real-time alarming system based on the BIM comprises a tower crane monitoring end and a BIM model end, wherein the tower crane monitoring end comprises a suspension arm monitoring end and a tower body monitoring end, and the suspension arm monitoring end comprises a length monitoring module, a suspension arm gradient monitoring module and an extract size fuzzy estimation module; the tower body monitoring end comprises a tower body inclination monitoring module and a tower body height monitoring module;

the BIM model end comprises a data integration module for integrating data monitored by the tower crane monitoring end, a simulation module for simulating according to information extracted by the data integration module, and a workload arrangement module for estimating working hours;

the BIM monitoring system also comprises an alarm end which is used for giving an alarm when abnormal conditions are generated on site or abnormal data are generated at the BIM model end.

The length of the suspension arm is divided into two categories of fixed length and telescopic length, the fixed length can input the length to the BIM model end, a safety range is obtained through calculation, and the telescopic length can be calculated again according to the telescopic length to obtain the safety range; the inclination of the suspension arm can be monitored by arranging a leveling instrument at the end of the suspension arm; the approximate size of the extract can be obtained through an image recognition device by fuzzy estimation of the extract size, and the safe distance of tower crane construction is obtained through BIM simulation; the tower body inclination monitoring method comprises the steps of monitoring by using a monitor at a horizontal distance which is 1.5 times of the height of the tower crane to obtain the tower body inclination, and acquiring data by using a horizontal ruler; the height monitoring method can obtain the safety distance of tower crane construction through manual input and simulation of the BIM end.

The length and the inclination of the suspension arm can be detected in the following ways: the length angle sensor is characterized in that a PCB is installed in the length angle sensor, the upper portion of the length angle sensor is a PCB steel body cover, the bottom of the length angle sensor is a spring steel body shell, two sets of reverse springs are arranged in the spring steel body shell, and the length and the gradient of the suspension arm are obtained by detecting according to corresponding devices.

Extract size fuzzy estimation, using bundled rods as an example:

acquiring end face images at the end points of the rods to be counted by using an intelligent mobile terminal; the boundary range to be identified of the bundle of rods is defined through a touch screen of the mobile terminal; carrying out pattern recognition on the end faces of the bars in the boundary range to be recognized and counting the end faces of the bars, wherein the specific recognition algorithm comprises the following steps:

acquiring a picture of a shot bar, and transmitting an RGB bitmap and related size and configuration information to an image automatic identification engine;

the image recognition engine normalizes the bar end face images with different diameters to 65 pixels of each bar, so that the problems that the recognition information is insufficient due to too low pixels of the end face images or the image processing time is too long due to too high pixels are avoided, and the bar end face images are zoomed into a plurality of images with different resolutions according to different processing tasks and are placed in a cache;

the image recognition engine analyzes the brightness of the image, and the image achieves optimal contrast and brightness when the image is subjected to regional adjustment and equalization by using different equalization and adjustment algorithms according to the analysis result.

After the image recognition engine acquires the balanced image, separating the background and the foreground of the original image;

according to the original data of the image, foreground image information obtained after foreground and background separation processing is compensated and repaired, and partial image information loss caused by errors of a foreground and background separation algorithm is reduced as much as possible;

the morphological reconstruction algorithm, the block area size filtering and the repairing algorithm are adopted to process the interference of the miscellaneous points and the non-edge part in the image, and the influence of the part of information on the later recognition is reduced;

clipping the mark image of the image according to the identification boundary data drawn by the user;

identifying the end face of the bar in the image by using a Haar classifier engine with image shape identification capability;

the method comprises the following steps of further filtering the miscellaneous points identified as the bar end surface by an image identification engine by utilizing a logic judgment rule established by experience information such as material color, size, position, feature identification points and the like, so that the problems of false identification, identification shape intersection, identification shape nesting and the like are reduced; meanwhile, displaying the shot original bar end face image on a touch screen of the intelligent mobile terminal, and marking each bar end face identified by the image identification engine;

and the user increases and decreases the counting number of the bars according to the abnormal conditions including retraction and blackheads of the bundled bars and the marking condition of the end face of each bar identified by the image identification engine to obtain a final counting result.

If the inclination of a certain tower crane is to be measured, firstly, a theodolite is erected at a position which is 1.5 times of the horizontal distance away from the height of the tower crane, the top of the tower crane is aimed, the theodolite is used for casting and measuring, a mark is made, the horizontal distance between the theodolite and the bottom is measured, two survey returns are observed by a forward and backward mirror casting method, and the average value is obtained.

By adopting the technical scheme, the tower body monitoring end is used for monitoring the inclination of the tower body in the construction operation process, so that accidents caused by excessive inclination of the tower body are effectively prevented; davit gradient monitoring module is used for the monitoring to the operation thing weight that the tower crane bore, guarantee that operation thing weight is in the safety range of tower crane, prevent accident's emergence, height monitoring module, the fuzzy estimation module of length monitoring module and extract product size is used for confirming real-time condition and the real-time position of tower crane, know the operation thing position of tower crane, integrate these data, can model the tower crane crowd, and input the running direction of davit, then simulate, can effectively manage the tower crane crowd, under the condition that does not receive the collision, realize the most efficient operating efficiency.

Above-mentioned technical scheme can realize, carries out a series of safety data monitoring to tower crane itself, can manage the tower crane crowd that a plurality of tower cranes formed simultaneously, effectively prevents the collision of each other of tower crane to the work efficiency of tower crane crowd has effectively been improved.

The BIM model end also comprises a tower crane management module which is used for numbering a plurality of tower cranes and respectively storing the information of corresponding tower cranes.

By adopting the technical scheme, the tower crane group is numbered, can be more intuitively and clearly in the process of carrying out simulation, and can quickly send out instructions, so that an operator can quickly know more accurate information, and then quickly manage the tower crane group to quickly deal with the emergency situation.

The BIM model end further comprises an information input module used for manually inputting product information of the tower crane, construction information of a construction site and maintenance information.

By adopting the technical scheme, the BIM model end can acquire various information, including the working range of the tower crane, the operation weight range, the actual area of a construction site, the abrasion degree of the tower crane and other related information, and the modules are arranged through the workload, so that the construction operation can be completed more effectively and quickly, and the construction cost is reduced.

The tower crane monitoring end also comprises a crane monitoring end, and the crane monitoring end comprises an extract weight monitoring module, a balance monitoring module, a wind power monitoring module and a position detection module.

By adopting the technical scheme, the real-time information of the crane can be more accurately known by using various monitoring modules of the crane, so that the more detailed real-time information in the tower crane operation process is provided, and further the monitoring of the more accurate tower crane and the maintenance and management problems in the tower crane operation process are realized.

The crane can monitor the weight of the extract by utilizing a gravity sensor arranged above, and the weight of the extract has different conditions due to the influence of wind power and the like in the process of lifting up and down, so that the factor of the change range of the weight of the extract needs to be referred; the balance monitoring can also be carried out through a level ruler, the wind power monitoring is carried out through a wind speed sensor, and the position detection module can carry out monitoring through a relative displacement sensor so as to determine the relative position of the crane and the tower body and further carry out monitoring of the weight requirements of extracts of the crane at different positions.

The alarm end comprises a field alarm module and a BIM end alarm module.

By adopting the technical scheme, the plurality of alarm modules are convenient for on-site condition expression and information collection at the background operation position, emergency situations can be timely processed, and more scientific and more efficient emergency processing modes can be obtained.

The invention relates to a tower crane monitoring device, which is based on the tower crane monitoring and real-time alarming system based on the BIM model and comprises a wireless transmission module, a rotation sensor, a height sensor, a wind speed sensor, a hoisting weight sensor, a variable amplitude sensor, an inclination angle detection device, a face recognition device, a GPS (global positioning system) locator and a display.

The wireless transmission module can use 4G, Wifi, infrared and the like to carry out signal connection on various sensors and the BIM end, based on the infrared transmission distance, a signal receiving point can be arranged on the site and then sent to the BIM end, the rotary sensor can be used for controlling the real-time monitoring of the motor, the height sensor is used for detecting the height of the suspension arm, and as the relative heights of two sides of the suspension arm can be changed in the process of extracting heavy objects by the suspension arm, the data can assist in carrying out safety monitoring; the wind speed sensor is used for monitoring the wind speed in the construction operation process, and the hoisting weight sensor is used for auxiliary monitoring of the weight of the extracted heavy object; the amplitude variation sensor is used for monitoring the position of the crane; inclination detection device is used for carrying out real-time supervision to the gradient of body of the tower, has avoided the trouble of artificial detection, and the GPS locater is used for detecting the control chamber position, and face recognition device is used for discerning the driver, prevents that machinery from being indiscriminate to use, and operating personnel accessible brush fingerprint starts in addition, and the record that the action of its operation formed will also be kept in step to other places of usefulness of transferring.

By adopting the technical scheme, the rotary sensor can be a rich rotary sensor or a GK rotary sensor, and has the advantages of good sensing effect, low economic cost and the like; the series of sensors can be used for knowing real-time information of the tower crane in detail and carrying out visual processing on the information, so that people can know related information more intuitively; the tower crane monitoring device comprises but is not limited to the tower crane monitoring and real-time alarm system based on the BIM model mentioned above; the corresponding devices can be freely combined on the basis of use.

The tower crane monitoring device further comprises a camera and a display screen connected with the camera in a signal mode, and the display screen is installed in a tower crane operating room.

By adopting the technical scheme, the camera can capture more scenes, the visual field of operators is increased, and the anti-collision purpose is effectively achieved.