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CN-122015772-A - Ecological riverbank three-dimensional change scanning equipment and control method thereof

CN122015772ACN 122015772 ACN122015772 ACN 122015772ACN-122015772-A

Abstract

The invention provides three-dimensional change scanning equipment of an ecological riverbank and a control method thereof, and relates to the technical field of water area ecological monitoring systems; the stand is arranged between two ends of the fixed component; the scanning mechanism is arranged on the vertical frame and is used for carrying out three-dimensional scanning operation on the scanning areas of the ecological riverbank on the two sides of the riverway; the water level detection mechanism is arranged on the vertical frame and used for acquiring water level height data, the flow rate detection device is arranged on the vertical frame and positioned below the water level and used for acquiring water flow rate data of the scanning area, and the control module is respectively and electrically connected with the scanning mechanism, the water level detection mechanism and the flow rate detection device.

Inventors

  • Mei Haozhe
  • LIU ZHIBIN
  • CHEN GUOJIANG
  • ZHANG BO
  • WEI TIANYU

Assignees

  • 中国电建集团西北勘测设计研究院有限公司

Dates

Publication Date
20260512
Application Date
20260414

Claims (10)

  1. 1. An ecological riparian zone three-dimensional change scanning device, comprising: a securing assembly (100) configured to be disposed across a river; -a stand (4) mounted between the two ends of the fixed assembly (100); The scanning mechanism (7) is arranged on the vertical frame (4) and is used for carrying out three-dimensional scanning operation on the scanning area of the ecological riverbank on the two sides of the riverway; The water level detection mechanism (6) is arranged on the vertical frame (4) and is used for acquiring water level height data; the flow velocity detection device (5) is arranged on the vertical frame (4) and positioned below the water surface and is used for acquiring water flow velocity data of the scanning area; A control module electrically connected to the scanning mechanism (7), the water level detection mechanism (6) and the flow rate detection device (5), respectively, wherein the control module is configured to: According to a first preset condition, controlling the scanning mechanism (7) to perform three-dimensional scanning operation on the scanning area to obtain three-dimensional point cloud data, wherein the first preset condition comprises that the variation amplitude of the water surface height data obtained by the water level detection mechanism (6) is smaller than a first threshold value, and the water flow velocity data obtained by the flow velocity detection device (5) is in a slow flow state; And acquiring target water surface height data at corresponding time recorded by the water level detection mechanism (6) in the scanning process, and carrying out association correction on the target water surface height data and the three-dimensional point cloud data.
  2. 2. The ecological riverbank three-dimensional change scanning device according to claim 1, characterized in that the stand (4) comprises a stand body (401) and a first sealing structure (402), the first sealing structure (402) is mounted at the top end of the stand body (401), and an opening is formed in the top end of the first sealing structure (402); The scanning mechanism (7) comprises a scanning device (705), a lifting motor (701) and a transmission assembly, wherein the lifting motor (701) is installed on the stand (4), two ends of the transmission assembly are respectively connected with an output shaft of the lifting motor (701) and the scanning device (705), and the transmission assembly is used for converting the rotation motion of the lifting motor (701) into the lifting motion of the scanning device (705), so that the scanning device (705) is in a non-scanning state in the first sealing structure (402) and is switched from the scanning state in which the first sealing structure (402) is lifted through the opening.
  3. 3. The ecological riverbank three-dimensional change scanning device according to claim 2, wherein the transmission assembly comprises a threaded rod (702), a threaded cylinder (703) and a moving plate (704), an output shaft of the lifting motor (701) is connected with the bottom end of the threaded rod (702), the top end of the threaded rod (702) is in threaded connection with the threaded cylinder (703), the top end of the threaded cylinder (703) is connected with the moving plate (704), and the scanning means (705) is mounted on the top of the moving plate (704).
  4. 4. The ecological riparian zone three-dimensional change scanning device according to claim 2, wherein the scanning mechanism (7) further comprises a shielding assembly, the shielding assembly comprises a shielding motor (706), a connecting rod structure (708) and a cover plate (707), the shielding motor (706) is mounted on the outer side wall of the first sealing structure (402), two ends of the connecting rod structure (708) are fixedly connected with an output shaft of the shielding motor (706) and the cover plate (707) respectively, and the connecting rod structure (708) is used for converting rotary motion of the shielding motor (706) into overturning motion of the cover plate (707) shielding or opening the opening.
  5. 5. The ecological riverbank three-dimensional change scanning device according to claim 1, wherein the water level detection mechanism (6) comprises a fixed plate (601), a first angle encoder (602), a winding pile (603), a reset structure, a pull rope (604) and a buoyancy tank (605), the fixed plate (601) is installed at the top end of the vertical frame (4), the winding pile (603) is connected with the fixed plate (601) through the reset structure, one end of the pull rope (604) is fixedly connected with the winding pile (603), the pull rope (604) is wound on the winding pile (603), the other end of the pull rope (604) is connected with the buoyancy tank (605), the buoyancy tank (605) is configured to be in contact with the water surface and used for driving the pull rope (604) wound on the winding pile (603) to generate displacement along with the change of the height of the water surface, and the detection end of the first angle encoder (602) is connected with the winding pile (603) and used for detecting the rotation angle of the winding pile (603).
  6. 6. The three-dimensional change scanning device for the ecological riverbank according to claim 1, wherein a hollowed-out area is arranged between two ends of the stand (4), the flow velocity detection device (5) is installed in the hollowed-out area, and the flow velocity detection device (5) is arranged along the water flow direction of the river channel.
  7. 7. The ecological riparian zone three-dimensional change scanning device according to claim 3, further comprising a riverbed detection mechanism (8), wherein the riverbed detection mechanism (8) is mounted on the stand (4) and is used for acquiring height change data of a riverbed at different times; the control module is electrically connected with the riverbed detection mechanism (8) and is used for carrying out association analysis on the riverbed height change data acquired for many times and the three-dimensional point cloud data so as to output three-dimensional change data of the ecological riverbank.
  8. 8. The ecological riparian zone three-dimensional change scanning device according to claim 7, wherein the riverbed detection mechanism (8) comprises an air supply assembly, a floating assembly, a second angle encoder (907) and a runner (908), the floating assembly comprises a lifting structure and a lower air bag (905), the lifting structure is connected with the lower air bag (905), the bottom end of the lifting structure is configured to be connected with a riverbed, the second angle encoder (907) is mounted at the bottom end of the stand body (401), the runner (908) is connected with the lifting structure in a rolling way, and the detection end of the second angle encoder (907) is connected with the runner (908) for detecting angle change data of the runner (908); The screw thread cylinder (703) is connected with the top end of the air supply assembly, and the air supply assembly is communicated with the lower air bag (905) and is used for carrying out air suction or inflation operation on the lower air bag (905) along with the ascending or descending movement of the screw thread cylinder (703).
  9. 9. The ecological riparian zone three-dimensional change scanning device according to claim 8, characterized in that the stand (4) further comprises a second sealing structure (403), the second sealing structure (403) being mounted below the first sealing structure (402); The air supply assembly comprises a compression ring (909), an upper air bag (901) and an air pipe (902), wherein the thread cylinder (703) is fixedly connected with the compression ring (909), the upper air bag (901) is installed in the second sealing structure (403) and is positioned at the outer side of the threaded rod (702), the compression ring (909) is fixedly connected with the top of the upper air bag (901), and the upper air bag (901) is communicated with the lower air bag (905) through the air pipe (902).
  10. 10. The control method for the three-dimensional change scanning equipment of the ecological riparian zone is characterized by being applied to the three-dimensional change scanning equipment of the ecological riparian zone, and comprises a fixed assembly (100), a vertical frame (4), a scanning mechanism (7), a water level detection mechanism (6), a flow rate detection device (5) and a control module, wherein the fixed assembly (100) is configured to be arranged across a river channel, the vertical frame (4) is installed on the fixed assembly (100), and the scanning mechanism (7), the water level detection mechanism (6) and the flow rate detection device (5) are all installed on the vertical frame (4), and the control method comprises the following steps: According to a first preset condition, controlling the scanning mechanism (7) to perform three-dimensional scanning operation on the scanning area to obtain three-dimensional point cloud data, wherein the first preset condition comprises that the variation amplitude of the water surface height data obtained by the water level detection mechanism (6) is smaller than a first threshold value, and the water flow velocity data obtained by the flow velocity detection device (5) is in a slow flow state; And acquiring target water surface height data at corresponding time recorded by the water level detection mechanism (6) in the scanning process, and carrying out association correction on the target water surface height data and the three-dimensional point cloud data.

Description

Ecological riverbank three-dimensional change scanning equipment and control method thereof Technical Field The invention relates to the technical field of water area ecological monitoring systems, in particular to an ecological riverbank three-dimensional change scanning device and a control method thereof. Background The ecological riverbank is an important component of the river channel ecological system, and the stability and evolution process of the spatial morphology of the ecological riverbank directly reflect the effect of the water environment remediation engineering. In order to evaluate the remediation effect, long-term and quantitative three-dimensional morphological change monitoring is required for the river bank zone. In the related art, the three-dimensional scanning equipment is arranged at a unilateral position of the river bank, so that wading construction can be avoided, but due to the width of the river channel, shielding of the bank slope and viewing angle limitation, the two-bank area of the river channel is difficult to cover at the same time, scanning blind areas or unbalanced measurement precision are easy to be caused, and the evaluation result of the overall change of the river bank zone is further affected. If the scanning equipment is directly arranged in the middle of the river channel, the scanning equipment is influenced by multiple factors such as water level change, water flow impact, river bed evolution and the like, so that the scanning reference is unstable, the comparability between the previous scanning results is insufficient, and the accurate quantitative analysis of the ecological evolution process is influenced. Disclosure of Invention The invention solves the problem of how to effectively ensure accurate quantitative analysis of the ecological evolution process. In order to solve the problems, the invention provides an ecological riverbank three-dimensional change scanning device and a control method thereof. In a first aspect, the present invention provides an ecological riparian zone three-dimensional change scanning device, comprising: a securing assembly configured to be disposed across a waterway; a stand installed between both ends of the fixing assembly; The scanning mechanism is arranged on the vertical frame and is used for carrying out three-dimensional scanning operation on the scanning areas of the ecological riverbank on the two sides of the riverway; The water level detection mechanism is arranged on the vertical frame and is used for acquiring water level height data; The flow velocity detection device is arranged on the vertical frame and positioned below the water surface and is used for acquiring water flow velocity data of the scanning area; The control module is electrically connected with the scanning mechanism, the water level detection mechanism and the flow rate detection device respectively, wherein the control module is configured to: Controlling the scanning mechanism to perform three-dimensional scanning operation on the scanning area according to a first preset condition to obtain three-dimensional point cloud data, wherein the first preset condition comprises that the variation amplitude of the water surface height data obtained by the water level detection mechanism is smaller than a first threshold value, and the water flow velocity data obtained by the flow velocity detection device is in a slow flow state; And acquiring target water surface height data at corresponding time recorded by the water level detection mechanism in the scanning process, and carrying out association correction on the target water surface height data and the three-dimensional point cloud data. Optionally, the stand comprises a stand body and a first sealing structure, the first sealing structure is installed at the top end of the stand body, and an opening is formed in the top end of the first sealing structure; The scanning mechanism comprises a scanning device, a lifting motor and a transmission assembly, wherein the lifting motor is arranged on the vertical frame, two ends of the transmission assembly are respectively connected with an output shaft of the lifting motor and the scanning device, and the transmission assembly is used for converting the rotation motion of the lifting motor into the lifting motion of the scanning device so that the scanning device is in a non-scanning state in the first sealing structure and a scanning state rising from the first sealing structure through the opening. Optionally, the drive assembly includes threaded rod, screw thread section of thick bamboo and movable plate, the output shaft of elevator motor with the bottom of threaded rod is connected, the top of threaded rod with screw thread section of thick bamboo threaded connection, the top of screw thread section of thick bamboo with movable plate is connected, the top of movable plate is installed scanning device. Optionally, the scanning mechanism further includes