An intelligent marking fence and a multi-dimensional construction control system based on machine vision

Abstract

The present application relates to the technical field of construction fences, and specifically to an intelligent marking fence and a multi-dimensional construction management and control system based on machine vision. The system marks the work item identification information and work process information of the associated work area by changing the shape of the dynamic marking fence. Relying on machine vision recognition, the work items and work processes are visually marked by dynamically switching the shape of the fence, which greatly reduces the number of recognition targets and the difficulty of recognition by machine vision recognition, improves the recognition speed and accuracy, and is conducive to the classification and fine control of each work item.

Description

Technical Field

[0001] The present application belongs to the technical field of construction fences, and specifically relates to an intelligent marking fence and a multi-dimensional construction management and control system based on machine vision. Background Art

[0002] With the maturity and development of machine vision technology, intelligent control of construction areas based on image recognition has become a trend in the construction industry. Machine vision can identify and judge personnel, materials, and behaviors, significantly improving the accuracy and coverage of construction site control and effectively promoting the implementation of standardized work and safety regulations.

[0003] However, in large construction sites or construction sites with high construction complexity, multiple construction projects are carried out simultaneously. The construction requirements of each project are different, and thus the requirements for the refinement of machine vision recognition are different. It is difficult for pure machine vision solutions to judge the location of each work area and the type of work project. It is necessary to identify multiple targets and then make a comprehensive judgment. The recognition difficulty is high and the computing power required is also very huge.

[0004] An optional technical solution is to rely on fence-like structures to mark the boundaries of each work area. However, similar fence-like structures cannot provide assistance in identifying the type of work in the corresponding area. It still relies on comprehensive judgment after identifying the people and materials in the area. The recognition difficulty is still relatively high, and the recognition accuracy and speed need to be improved. Summary of the Invention

[0005] The present application provides an intelligent marking fence and a multi-dimensional construction management and control system based on machine vision to solve or partially solve the problems raised in the above background technology.

[0006] The present application provides an intelligent marking fence, comprising: a control box, a fixed fence body and a dynamic marking fence body arranged directly above the fixed fence body; the dynamic marking fence body comprises a marking seat rotatably arranged between the columns on both sides of the fixed fence body, the front and rear end faces of the marking seat are provided with marking grooves, and a dynamically deformable fence body structure is arranged in the marking grooves; the control box is arranged on the fixed fence body, and a controller and a wireless transmission module are arranged in the control box, and the controller is electrically connected to the dynamic marking fence body and the wireless transmission module.

[0007] Preferably, the marking seat is provided with operating cavities communicating with the marking slot on the left and right sides thereof, and the upper and lower side walls of the marking slot are symmetrically provided with sliding rails, and the left and right sides of the sliding rails extend to the operating cavities;

[0008] A number of displacement tensioning seats are movably arranged on the two sliding rails, and a winding mechanism is arranged in the operating cavity. A marking rope is wound around the winding mechanism. The marking rope extends from the winding mechanism and slides in series with each displacement tensioning seat in turn to form a wavy fence structure.

[0009] Preferably, the displacement tensioning seat includes a self-driving slider and a pull ring provided on the self-driving slider, and the marking rope body slides through the pull ring;

[0010] A driving groove is provided on the sliding rail, a driving rack is provided on the side wall of the driving groove, a displacement driving gear is embedded in the position of the self-driving slider relative to the driving groove, and the displacement driving gear is meshed with the driving rack.

[0011] Preferably, the upper and lower side walls of the marking groove are respectively provided with two sliding rails arranged in front and back, and the four sliding rails are arranged in pairs to form two marking surfaces. The marking rope body is first connected in series with the displacement tensioning seat of one of the marking surfaces, and then connected in series with the displacement tensioning seat of the other marking surface, forming two sets of front and rear wavy fence structures.

[0012] Preferably, adjustment columns are symmetrically provided on both sides of the marking seat, one of the two columns is provided with a first driving mechanism, and the other is provided with a rotating seat, one of the two adjustment columns is connected to the output shaft of the first driving mechanism, and the other is rotatably connected to the rotating seat.

[0013] Preferably, the fixed fence and the dynamic sign fence are two groups, the two fixed fences share a common column, the fixed fences are hinged to the common column, and the common column and the other column of the fixed fences are provided with support feet at the bottom, wherein the support feet of the non-shared column are of a liftable structure;

[0014] A linkage drive mechanism is provided on the common column, a rotating seat is provided on the non-common column, and adjustment columns are symmetrically provided on both sides of the marking seat. One of the two adjustment columns is transmission-connected to the linkage drive mechanism, and the other is rotationally connected to the rotating seat. The linkage drive mechanism can drive the two dynamic marking columns to rotate respectively.

[0015] Preferably, the linkage drive mechanism includes two adjusting gear sets, a clutch gear and an adjusting motor;

[0016] The regulating motor is fixed to the top of the column, and a first gear is sleeved on the output shaft of the regulating motor;

[0017] The adjusting gear set includes a first ring rotatably sleeved on the column, a first bevel gear sleeved on the outer circumference of the first ring, a second bevel gear meshed with the first bevel gear sleeved on the outer circumference of the end of the adjusting column corresponding to the marking seat close to the first bevel gear, and a support sleeve rod is provided on the fixed fence body below the corresponding adjusting column, and the adjusting column rotates through the support sleeve rod;

[0018] The clutch gear includes a second ring rotatably mounted on a column, a second gear engaged with the first gear being mounted on the outer periphery of the second ring, the second ring being arranged between the two first rings and having a clutch assembly arranged inside the second ring, and the second ring being movably connected to the two first rings through the clutch assembly.

[0019] Preferably, the clutch assembly includes a telescopic mechanism arranged at the top or bottom of the second ring, a dynamic friction ring is provided on the telescopic shaft of the telescopic mechanism, and a static friction ring is provided on the side of the first ring close to the second ring, and the dynamic friction ring is in active contact with the static friction ring.

[0020] This application also provides a multi-dimensional construction control system based on machine vision, including a monitoring subsystem, an area marking subsystem, an area identification subsystem, and a control identification subsystem;

[0021] Monitoring subsystem, including fixed and movable cameras installed in the construction area;

[0022] The area marking subsystem includes a fence group for marking the work area, the fence group includes at least one smart marking fence as described above, and the smart marking fence adjusts the shape of the dynamic marking fence according to a preset strategy;

[0023] The area recognition subsystem uses the construction area images obtained by the monitoring subsystem to identify and locate each work area, obtains the work item identification information and work area location information, and matches the first camera group Q1 and the second camera group Q2 corresponding to each work area based on the position distribution and image acquisition parameters of each camera in the monitoring subsystem;

[0024] The control and identification subsystem matches the project control strategy according to the identification information of the work project, uses the images collected by the corresponding first camera group Q1 to perform machine vision control of the work partition, and uses the images collected by the second camera group Q2 to obtain work progress information;

[0025] The construction area image includes a dynamic marking fence image, and the operation partition position information includes the position information of the intelligent marking fence.

[0026] Preferably, the method for the smart sign fence to adjust the shape of the dynamic sign fence according to a preset strategy is as follows:

[0027] S1: The controller receives an external matching instruction and matches the operation item with the column adjustment strategy corresponding to the operation item, wherein the column adjustment strategy includes an item identification strategy and a process display strategy;

[0028] S2: The controller receives the area recognition instruction and adjusts the shape of the dynamic marking column according to the project recognition strategy. After receiving the area recognition completion instruction, the controller adjusts the shape of the dynamic marking column corresponding to the initial operation process according to the process display strategy.

[0029] S3: The controller receives the process switching instruction and switches the shape of the dynamic indicator bar corresponding to the next operation process according to the process display strategy adjustment;

[0030] The method by which the area identification subsystem identifies and locates each operating area is as follows:

[0031] The area recognition subsystem sends area recognition instructions to each smart marking fence, obtains the construction area image uploaded by the monitoring subsystem, identifies the work item through the shape of the dynamic marking fence, and determines the distribution of the work area by positioning and identifying the fence group where the smart marking fence is located.

[0032] Compared with the prior art, this application has the following beneficial effects:

[0033] (1) This application marks the work item identification information and work process information of the associated work area by changing the shape of the dynamic marking column. Relying on machine vision recognition, the work items and work processes are visually marked by dynamically switching the shape of the column, which greatly reduces the number of recognition targets and the difficulty of recognition of machine vision recognition, improves the recognition speed and accuracy, and is conducive to the classification and fine control of each work item.

[0034] (2) This application realizes a dynamically deformable fence structure through the combination of sliding rails, displacement tensioning seats, and marking ropes. Different fence structures can be realized by adjusting the spacing between the displacement tensioning seats, thereby providing visual content for expressing work item identification information and work progress information.

[0035] (3) This application greatly increases the complexity of the column shape through the design of the front and back double-layer marking surfaces, thereby improving the ability to express complex content.

[0036] (4) This application realizes the separate driving of two hinged dynamic marking fences through a linkage drive mechanism, which not only realizes the marking capability of the hinged fences on complex boundaries, but also facilitates the adjustment of the orientation of the dynamic marking fences according to the position of the matching camera, which is beneficial to the accurate acquisition and recognition of the fence shape, and further improves the speed of machine vision recognition. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The present application is further described below with reference to the accompanying drawings and examples.

[0038] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present application Figure 1 ,

[0039] Figure 2 This is a schematic diagram of the overall structure of an embodiment of the present application Figure 2 ,

[0040] Figure 3 This is a schematic diagram of the dynamic marking column structure of an embodiment of the present application.

[0041] Figure 4 for Figure 3 A partial enlarged view of area A in the middle.

[0042] Figure 5 This is a partial cross-sectional view of a dynamic sign column according to an embodiment of the present application.

[0043] Figure 6 This is a front view of the overall structure of another embodiment of the present application.

[0044] Figure 7 This is a rear view of the overall structure of another embodiment of the present application.

[0045] Figure 8 for Figure 7 A partial enlarged view of area B in the middle.

[0046] Figure 9 This is a partial cross-sectional view of another embodiment of the present application.

[0047] Figure 10 This is a schematic diagram of the system composition of this application.

[0048] In the picture:

[0049] 1. Upright column, 2. Fixed fence, 3. Support foot, 4. Marking seat, 5. Sliding rail, 6. Displacement tensioning seat, 7. Marking rope body, 8. First driving mechanism, 9. Rotating seat, 10. Control box, 11. Winding mechanism, 12. Linkage driving mechanism, 21. Rotating sleeve, 41. Adjusting column, 42. Support sleeve rod, 61. Pull ring, 62. Self-driving slider, 63. Displacement driving gear, 121. Adjusting motor, 122. Adjusting gear set, 123. First gear, 124. Clutch gear, 1221. First ring, 1222. First bevel gear, 1223. Second bevel gear, 1241. Second ring, 1242. Second gear, 1243. Dynamic friction ring, 1244. Telescopic mechanism, 1245. Static friction ring;

[0050] 100. Monitoring subsystem, 200. Area marking subsystem, 300. Area identification subsystem, 400. Control and identification subsystem. DETAILED DESCRIPTION

[0051] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of the components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range and basically achieve the technical effect.

[0052] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are merely used to facilitate the description of the present application and simplify the description. They do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limiting the present application.

[0053] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connect," "fixed," and the like should be interpreted broadly. For example, these terms may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; or internal communication between two components. Those skilled in the art will readily understand the specific meanings of these terms in this application based on the specific circumstances.

[0054] Example 1

[0055] like Figures 1 to 5 As shown, the present application provides an intelligent marking fence, comprising: a control box 10, a fixed fence body 2 and a dynamic marking fence body arranged directly above the fixed fence body 2, the dynamic marking fence body comprising a marking seat 4 rotatably arranged between the columns 1 on both sides of the fixed fence body 2, the front and rear end faces of the marking seat 4 are provided with marking grooves, a dynamically deformable fence structure is arranged in the marking grooves, the control box 10 is arranged on the fixed fence body 2, and a controller and a wireless transmission module are arranged in the control box 10, and the controller is electrically connected to the dynamic marking fence body and the wireless transmission module.

[0056] This application marks the work item identification information and work process information of the associated work area by changing the shape of the dynamic marking column. Relying on the machine vision recognition of the external monitoring system, the work items and work processes are visually marked by dynamic switching of the column shape, which greatly reduces the number of recognition targets and the difficulty of recognition of machine vision recognition, improves the recognition speed and accuracy, and is conducive to the classification and fine control of each work item.

[0057] The operation project identification information is used to indicate the information that distinguishes this project from other projects, including the project type and project number; the operation progress information is information that expresses the project construction progress.

[0058] The wireless communication module is used for communication between the controller and the external system, for receiving a preset strategy for switching the shape of the dynamic marking column, and for receiving external instructions, and switching the column shape according to the external instructions and the preset strategy.

[0059] Specifically, the marking seat 4 is provided with operating cavities that are connected to the marking through slot on the left and right sides relative to the marking through slot, and sliding rails 5 are symmetrically provided on the upper and lower side walls of the marking through slot. The left and right sides of the sliding rails 5 extend to the operating cavity, and a number of displacement tensioning seats 6 are movably provided on the two sliding rails 5. A winding mechanism 11 is provided in the operating cavity, and a marking rope 7 is wound on the winding mechanism 11. The marking rope 7 extends from the winding mechanism 11, and slides in series with each displacement tensioning seat 6 in turn to form a wavy fence structure.

[0060] The controller controls the winding mechanism 11 to wind and release the marking rope 7, controls each displacement tensioning seat 6 to move on the sliding rail 5, and then changes the wavy fence structure to express the work item identification information and work progress information.

[0061] Furthermore, the displacement tensioning seat 6 includes a self-driving slider 62 and a pull ring 61 arranged on the self-driving slider 62, the marking rope body 7 slides through the pull ring 61, a driving groove is opened on the sliding rail 5, and a driving rack is provided on the side wall of the driving groove. The self-driving slider 62 is embedded with a displacement driving gear 63 relative to the driving groove, and the displacement driving gear 63 is engaged with the driving rack.

[0062] The displacement drive gear 63 includes a displacement motor and a displacement gear arranged on the output shaft of the displacement motor. The displacement gear is engaged with the drive rack. The displacement motor drives the displacement gear to rotate and realizes the movement of the displacement tensioning seat 6 on the sliding rail 5 through the reaction force between the displacement motor and the drive rack.

[0063] The winding mechanism 11 includes a winding motor and a winding roller connected to the output shaft of the winding motor. Its specific structure is a conventional design in the engineering field and will not be described in detail in this application. In order to improve the flexibility when switching the shape of the fence and the real-time tensioning of the marking rope 7, the marking rope 7 can be a rope with elasticity.

[0064] It is worth noting that the setting of the operating cavity is conducive to hiding the winding mechanism 11 and the displacement tensioning seat 6 that does not participate in the marking. Due to the uncertainty of the position of the camera at the construction site, its resolution of the fence shape is also different. For cameras that are farther away from this application, the fence shape can be collected and resolved by reducing the number of displacement tensioning seats 6 that participate in the expression of the fence shape and increasing the spacing of the fence "waves". The displacement tensioning seats 6 that participate in the expression of the fence shape are exposed to the marking groove, and the displacement tensioning seats 6 that do not participate in the expression of the fence shape are reduced in spacing and hidden in the operating cavity, which is conducive to improving the expression ability of the dynamic marking fence.

[0065] Preferably, the upper and lower side walls of the marking groove are respectively provided with two sliding rails 5 arranged in front and back, and the four sliding rails are arranged in pairs to form two marking surfaces. The marking rope body 7 is first connected in series with the displacement tensioning seat 6 of one of the marking surfaces, and then connected in series with the displacement tensioning seat 6 of the other marking surface, forming two sets of front and rear wavy column structures. Through the design of the front and rear double-layer marking surfaces, the complexity of the column shape is greatly improved, thereby improving the ability to express complex content.

[0066] Specifically, adjustment columns 41 are symmetrically provided on both sides of the marking seat 4, one of the two columns 1 is provided with a first driving mechanism 8, and the other is provided with a rotating seat 9, one of the two adjustment columns 41 is connected to the output shaft of the first driving mechanism 8, and the other is rotatably connected to the rotating seat 9.

[0067] The first driving mechanism 8 drives the adjustment column 41 to rotate, thereby adjusting the orientation of the marking seat 4, making it easy to adjust the orientation of the dynamic marking column according to the position of the matching camera, which is beneficial to the accurate acquisition and recognition of the column shape and further improves the speed of machine vision recognition.

[0068] The controller is an industrial computer, the first driving mechanism 8 is a motor, and the wireless transmission module can be a 4G or 5G communication module.

[0069] Example 2

[0070] like Figures 6 to 9 As shown, based on Example 1, this embodiment is another embodiment of a smart sign fence, which is specifically as follows:

[0071] The fixed fence body 2 and the dynamic sign fence body are two groups, and the two fixed fence bodies 2 share a column 1. The fixed fence body 2 is hinged to the common column 1 by rotating a rotating sleeve 21 that is sleeved on the middle column 1. The common column 1 of the fixed fence body 2 and the other column 1 are both provided with support feet 3 at the bottom, wherein the support feet 3 of the non-shared column 1 are a liftable structure, and a linkage drive mechanism 12 is provided on the common column 1, and the non-shared column 1 is provided with a rotating seat 9. Adjustment columns 41 are symmetrically provided on both sides of the sign seat 4, and one of the two adjustment columns 41 is connected to the linkage drive mechanism 12 for transmission, and the other is rotatably connected to the rotating seat 9. The linkage drive mechanism 12 can drive the two dynamic sign fence bodies to rotate respectively.

[0072] This embodiment provides a fence structure in which two groups of fences are hinged to each other, which is conducive to the accurate marking of the boundaries of complex working areas. At the same time, it is conducive to reducing the number of fences used. The support legs 3 of the non-shared columns 1 are connected to the bottom of the columns 1 through a lifting mechanism, which facilitates the folding of the corresponding support legs 3 when rotating the overall fence including the fixed fence 2 and the dynamic marking fence.

[0073] Specifically, the linkage drive mechanism 12 includes two adjustment gear sets 122 , a clutch gear 124 and an adjustment motor 121 ;

[0074] The regulating motor 121 is fixed to the top of the column 1, and a first gear 123 is sleeved on its output shaft;

[0075] The adjusting gear set 122 includes a first ring 1221 rotatably sleeved on the column 1, a first bevel gear 1222 sleeved on the outer periphery of the first ring 1221, a second bevel gear 1223 meshing with the first bevel gear 1222 sleeved on the outer periphery of the end of the adjusting column 41 corresponding to the side of the marking seat 4 close to the first bevel gear 1222, and a support sleeve rod 42 is provided on the fixed fence body 2 below the corresponding adjusting column 41, and the adjusting column 41 rotates through the support sleeve rod 42;

[0076] The clutch gear 124 includes a second ring 1241 that is rotatably sleeved on the column 1, and a second gear 1242 that engages with the first gear 123 is sleeved on the outer periphery of the second ring 1241. The second ring 1241 is arranged between the two first rings 1221 and a clutch assembly is arranged inside it. The second ring 1241 is movably connected to the two first rings 1221 through the clutch assembly.

[0077] When the orientation of a dynamic marking column needs to be adjusted, the clutch gear 124 is movably connected to the corresponding adjustment gear group 122 through the clutch assembly, controlling the adjustment motor 121 to rotate, and driving the clutch gear 124 to rotate through the first gear 123, thereby driving the corresponding first bevel gear 1222 to rotate, and then driving the second bevel gear 1223 to rotate, thereby changing the orientation of the marking seat 4.

[0078] The present application realizes the separate driving of two hinged dynamic marking fences through the linkage driving mechanism 12, which not only realizes the marking capability of the hinged fences for complex boundaries, but also facilitates the adjustment of the orientation of the dynamic marking fences according to the position of the matching camera.

[0079] Specifically, the clutch assembly includes a telescopic mechanism 1244 arranged at the top or bottom of the second ring 1241, a dynamic friction ring 1243 is provided on the telescopic shaft of the telescopic mechanism 1244, and a static friction ring 1245 is provided on the side of the first ring 1221 close to the second ring 1241, and the dynamic friction ring 1243 is in movably contact with the static friction ring 1245.

[0080] The telescopic mechanism 1244 drives the dynamic friction ring 1243 to conflict with the static friction ring 1245, thereby fixing the clutch gear 124 and the corresponding adjustment gear set 122. Conversely, the telescopic mechanism 1244 drives the dynamic friction ring 1243 to disengage from the static friction ring 1245, thereby disengaging the clutch gear 124 from the corresponding adjustment gear set 122.

[0081] The telescopic mechanism 1244 and the lifting mechanism can be electric cylinders.

[0082] Example 3

[0083] like Figure 10 As shown, based on Example 1 and Example 2, the present application also provides a multi-dimensional construction control system based on machine vision, including a monitoring subsystem 100, an area marking subsystem 200, an area identification subsystem 300, and a control identification subsystem 400;

[0084] The monitoring subsystem 100 includes fixed cameras and movable cameras installed in the construction area;

[0085] The area marking subsystem 200 includes a fence group for marking the work zones, wherein the fence group includes at least one smart marking fence as described in Example 1 or Example 2, and the smart marking fence adjusts the shape of the dynamic marking fence according to a preset strategy;

[0086] The area recognition subsystem 300 uses the construction area images acquired by the monitoring subsystem 100 to identify and locate each work zone, obtains work item identification information and work zone location information, and matches the first camera group Q1 and the second camera group Q2 corresponding to each work zone based on the position distribution and image acquisition parameters of each camera in the monitoring subsystem 100;

[0087] The control and identification subsystem 400 matches the project control strategy according to the operation project identification information, uses the images collected by the corresponding first camera group Q1 to perform machine vision control on the operation partition, and uses the images collected by the second camera group Q2 to obtain the operation progress information.

[0088] Specifically, the construction area image includes a dynamic marking fence image, and the work partition position information includes the position information of the intelligent marking fence.

[0089] Specifically, the movable camera includes a pan-tilt camera, a mobile control ball, a monitoring drone, etc.

[0090] Specifically, the method for the smart sign fence to adjust the shape of the dynamic sign fence according to the preset strategy is as follows:

[0091] S1: The controller receives an external matching instruction and matches the operation item with the column adjustment strategy corresponding to the operation item, wherein the column adjustment strategy includes an item identification strategy and a process display strategy;

[0092] S2: The controller receives the area recognition instruction and adjusts the shape of the dynamic marking column according to the project recognition strategy. After receiving the area recognition completion instruction, the controller adjusts the shape of the dynamic marking column corresponding to the initial operation process according to the process display strategy.

[0093] S3: The controller receives the process switching instruction and switches the shape of the dynamic indicator bar corresponding to the next operation process according to the process display strategy adjustment.

[0094] In step S1, the project identification strategy refers to presetting different shapes of dynamic marking columns for different projects, and the work project identification information corresponding to the corresponding project can be obtained by recognizing the shape of the dynamic marking columns; the process display strategy refers to presetting different shapes of dynamic marking columns for the construction progress information of different stages of a unified project, and the work process information corresponding to the corresponding project can be obtained by recognizing the shape of the dynamic marking columns; generally speaking, the expression of work project identification information or work process information can be completed through the shape image of a dynamic marking column, but in the case of a large number of identification targets, the shapes of multiple dynamic marking columns can also be displayed in sequence, and the expression of the same work project identification information or work process information can be completed through multiple shape images.

[0095] Specifically, the method for the area identification subsystem 300 to identify and locate each operation zone is as follows:

[0096] The area identification subsystem 300 sends area identification instructions to each smart marking fence, obtains the construction area image uploaded by the monitoring subsystem 100, determines each work item by recognizing the shape of each dynamic marking fence, and determines the location distribution of the work partition corresponding to the work item by positioning the fence group where the smart marking fence is located.

[0097] Specifically, the area recognition subsystem 300 obtains the position distribution of the work partitions and the position and posture of each intelligent marking fence. According to the position distribution of each camera in the monitoring subsystem 100 and the camera image acquisition parameters such as image acquisition area, resolution, lens direction, and lens movement capability, the cameras that can capture images of the work partitions or dynamic marking fences and whose images meet the recognition requirements are respectively added to the first camera group Q1 and the second camera group Q2.

[0098] The control and identification subsystem 400 performs machine vision recognition on the images of the work partitions according to preset control and identification requirements, and obtains work progress information by recognizing the images of dynamic marking columns, thereby reducing the pressure of pure machine vision recognition.

[0099] The above describes the implementation methods of the present application in detail in conjunction with the accompanying drawings, but the present application is not limited to the above implementation methods. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present application.

Claims

1. An intelligent marking fence, characterized in that: include: A control box (10), a fixed fence (2), and a dynamic sign fence arranged directly above the fixed fence (2); The dynamic sign fence comprises a sign seat (4) rotatably arranged between the upright posts (1) on both sides of the fixed fence (2), the front and rear end surfaces of the sign seat (4) are provided with sign slots, and a dynamically deformable fence structure is arranged in the sign slots; The control box (10) is arranged on the fixed fence (2), and a controller and a wireless transmission module are arranged in the control box (10), and the controller is electrically connected to the dynamic sign fence and the wireless transmission module; The marking seat (4) is provided with an operating cavity that is connected to the marking groove on the left and right sides relative to the marking groove, and the upper and lower side walls of the marking groove are symmetrically provided with sliding rails (5). The left and right sides of the sliding rails (5) extend to the operating cavity. A plurality of displacement tensioning seats (6) are movably provided on the two sliding rails (5). A winding mechanism (11) is provided in the operating cavity. A marking rope (7) is wound around the winding mechanism (11). The marking rope (7) extends from the winding mechanism (11) and slides in series with each displacement tensioning seat (6) in sequence to form a wave-shaped fence structure. The displacement tensioning seat (6) includes a self-driving slider (62) and a pull ring (61) provided on the self-driving slider (62); the marking rope body (7) slides through the pull ring (61); a driving groove is provided on the sliding rail (5); a driving rack is provided on the side wall of the driving groove; a displacement driving gear (63) is embedded in the position of the self-driving slider (62) relative to the driving groove; the displacement driving gear (63) is meshed with the driving rack; The upper and lower side walls of the marking slot are respectively provided with two sliding rails (5) arranged front and back, and the four sliding rails (5) are arranged in pairs to form two marking surfaces. The marking rope body (7) is first connected in series with the displacement tensioning seat (6) of one marking surface, and then connected in series with the displacement tensioning seat (6) of the other marking surface, forming two sets of front and back wave-shaped fence structures. Adjustment columns (41) are symmetrically provided on both sides of the marking seat (4); one of the two columns (1) is provided with a first drive mechanism (8), and the other is provided with a rotating seat (9); one of the two adjustment columns (41) is connected to the output shaft of the first drive mechanism (8), and the other is rotatably connected to the rotating seat (9).

2. The intelligent marking fence according to claim 1, characterized in that: The fixed fence (2) and the dynamic sign fence are two groups, the two fixed fences (2) share a common column (1), the fixed fences (2) are hinged to the common column (1), and the common column (1) and the other column (1) of the fixed fences (2) are provided with support feet (3) at the bottom, wherein the support feet (3) of the non-common column (1) are of a liftable structure; A linkage drive mechanism (12) is provided on the shared column (1), a rotating seat (9) is provided on the non-shared column (1), and adjustment columns (41) are symmetrically provided on both sides of the marking seat (4). One of the two adjustment columns (41) is connected to the linkage drive mechanism (12) in a transmission manner, and the other is connected to the rotating seat (9) in a rotation manner. The linkage drive mechanism (12) can respectively drive the two dynamic marking columns to rotate.

3. The intelligent marking fence according to claim 2, characterized in that: The linkage drive mechanism (12) comprises two adjustment gear sets (122), a clutch gear (124) and an adjustment motor (121); The regulating motor (121) is fixed to the top of the column (1), and a first gear (123) is sleeved on its output shaft; The adjusting gear set (122) includes a first ring (1221) rotatably sleeved on the column (1), a first bevel gear (1222) being sleeved on the outer periphery of the first ring (1221), a second bevel gear (1223) being sleeved on the outer periphery of the end of the adjusting column (41) on the side of the corresponding marking seat (4) close to the first bevel gear (1222) and meshing with the first bevel gear (1222), a support sleeve rod (42) being provided on the fixed fence (2) below the corresponding adjusting column (41), and the adjusting column (41) being rotatably passed through the support sleeve rod (42); The clutch gear (124) comprises a second ring (1241) rotatably sleeved on the column (1), a second gear (1242) meshing with the first gear (123) being sleeved on the outer periphery of the second ring (1241), the second ring (1241) being arranged between the two first rings (1221) and having a clutch assembly arranged therein, the second ring (1241) being movably connected to the two first rings (1221) via the clutch assembly; Adjustment column near adjustment gear set (122).

4. The intelligent marking fence according to claim 3, characterized in that: The clutch assembly includes a telescopic mechanism (1244) arranged at the top or bottom of the second ring (1241), a dynamic friction ring (1243) is arranged on the telescopic shaft of the telescopic mechanism (1244), and a static friction ring (1245) is arranged on one side of the first ring (1221) close to the second ring (1241), and the dynamic friction ring (1243) and the static friction ring (1245) are in active contact with each other.

5. The multi-dimensional construction control system based on machine vision is characterized by: It includes a monitoring subsystem (100), an area marking subsystem (200), an area identification subsystem (300) and a control identification subsystem (400); A monitoring subsystem (100) includes a fixed camera and a movable camera arranged in the construction area; An area marking subsystem (200) includes a fence group for marking work zones, the fence group including at least one intelligent marking fence according to any one of claims 1 to 4, the intelligent marking fence adjusting the shape of the dynamic marking fence according to a preset strategy; The area recognition subsystem (300) uses the construction area image obtained by the monitoring subsystem (100) to identify and locate each operation partition, obtains operation item identification information and operation partition location information, and matches the first camera group Q1 and the second camera group Q2 corresponding to each operation partition according to the position distribution and image acquisition parameters of each camera in the monitoring subsystem (100); A control and identification subsystem (400) matches a project control strategy according to the identification information of the operation project, performs machine vision control on the operation partition using images collected by the corresponding first camera group Q1, and obtains operation progress information using images collected by the second camera group Q2; The construction area image includes a dynamic marking fence image, and the operation partition location information includes location information of an intelligent marking fence.

6. The machine vision-based multi-dimensional construction control system according to claim 5, characterized in that: The method for adjusting the shape of the dynamic sign fence according to the preset strategy is as follows: S1: The controller receives an external matching instruction and matches the operation item with the column adjustment strategy corresponding to the operation item, wherein the column adjustment strategy includes an item identification strategy and a process display strategy; S2: The controller receives the area recognition instruction and adjusts the shape of the dynamic marking column according to the project recognition strategy. After receiving the area recognition completion instruction, the controller adjusts the shape of the dynamic marking column corresponding to the initial operation process according to the process display strategy. S3: The controller receives the process switching instruction and switches the shape of the dynamic indicator bar corresponding to the next operation process according to the process display strategy adjustment; The method for the area identification subsystem (300) to identify and locate each operation partition is as follows: The area recognition subsystem (300) sends an area recognition instruction to each smart marking fence, obtains the construction area image uploaded by the monitoring subsystem (100), recognizes the operation project through the shape of the dynamic marking fence, and determines the location distribution of the operation partition by positioning the fence group where the smart marking fence is located.

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