CN-121978726-A - Portable Beidou high-precision positioning device and method for dam hazard inspection

CN121978726ACN 121978726 ACN121978726 ACN 121978726ACN-121978726-A

Abstract

The invention discloses a portable Beidou high-precision positioning device and method for dam hazard inspection, which belong to the technical field of dam protection, wherein the device comprises a holding main body, a positioning module, a probe assembly and the like, and a first accommodating space is formed in the holding main body; the positioning module is accommodated in the first accommodating space and is used for receiving satellite signals and outputting position information, the probe assembly is connected to one end of the holding body, a second accommodating space is formed inside the probe assembly, the data acquisition module is accommodated in the second accommodating space and is used for acquiring attribute data of a hazard point, the processing module is accommodated in the first accommodating space and is respectively and electrically connected with the positioning module and the data acquisition module and used for receiving and associating the position information and the attribute data, and the man-machine interaction module is arranged on the holding body. The positioning method adopts the device, thereby improving the positioning precision and the overall operation efficiency of the damage checking work of the pest dyke.

Inventors

Hou Weiya
DONG XINGZHI
XU JIANING
ZHANG HUAI
ZHANG YANYI
ZHANG YINQI
DENG GANG
LUO SHUJIANG
LIU SHUN
HE XIANMIN
WANG XIAODONG
LIU LEI

Assignees

中国水利水电科学研究院
北京天玑科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260303

Claims (10)

1. A portable big dipper high accuracy positioner for dyke-dam hazard inspection, its characterized in that includes: a holding body (1), wherein a first accommodating space is formed inside the holding body (1); The positioning module (4) is accommodated in the first accommodating space, and the positioning module (4) is used for receiving satellite signals and outputting position information; The probe assembly (2) is connected to one end of the holding main body (1), and a second accommodating space is formed inside the probe assembly (2); The data acquisition module is accommodated in the second accommodating space and is used for acquiring attribute data of the hazard points, wherein the attribute data at least comprises image data; The processing module is accommodated in the first accommodating space, and is respectively and electrically connected with the positioning module (4) and the data acquisition module, and is used for receiving and associatively storing the position information and the attribute data; and the man-machine interaction module is arranged on the holding main body (1), and is electrically connected with the processing module and used for displaying information and receiving user input.
2. The portable Beidou high-precision positioning device for dam hazard inspection according to claim 1, wherein the holding body (1) comprises a supporting framework (11), the supporting framework (11) is located in the first accommodating space, the positioning module (4) and the processing module are mounted on the supporting framework (11), a flange plate (12) is arranged at one end of the supporting framework (11), and the probe assembly (2) is mounted on the flange plate (12).
3. The portable Beidou high-precision positioning device for dam hazard inspection of claim 2, wherein said probe assembly (2) is connected to said flange plate (12) of said holding body (1) through a universal connection structure (3), said universal connection structure (3) including a universal joint for adjusting a pitch angle and a roll angle of said probe assembly (2) relative to said holding body (1) and a locking knob for locking said universal joint.
4. The portable Beidou high-precision positioning device for dam hazard inspection according to claim 2, wherein the positioning module (4) comprises a Beidou high-precision positioning plate card (41) and a radio frequency shielding plate (42), the Beidou high-precision positioning plate card (41) is fixed on the radio frequency shielding plate (42) through a shockproof connector (43), the radio frequency shielding plate (42) is mounted on the top of the supporting framework (11), and the area, corresponding to an antenna of the Beidou high-precision positioning plate card (41), of the holding body (1) is made of radio frequency wave-transmitting materials.
5. The portable Beidou high-precision positioning device for dam hazard inspection according to claim 1, wherein the data acquisition module comprises a macro camera, the macro camera is accommodated in the second accommodating space, a lens of the macro camera faces to the outside of the probe assembly (2) and is used for acquiring macro images of hazard points, and an annular light supplementing lamp is further arranged on the probe assembly (2) and surrounds the lens of the macro camera and is used for providing illumination when the images are acquired.
6. The portable Beidou high-precision positioning device for dam hazard inspection according to claim 5, wherein a physical centering point is arranged at the bottom of the probe assembly (2), a laser indicator is further arranged inside the probe assembly (2), and an optical path of the laser indicator is coaxially arranged with an optical axis of the physical centering point and an optical axis of the macro camera and is used for aligning a laser point with the center of the hazard point so that position information recorded when the physical centering point contacts the ground corresponds to the center of the hazard point.
7. The portable Beidou high-precision positioning device for dam hazard inspection according to claim 1, wherein the data acquisition module further comprises a laser ranging module for measuring a target distance between the probe assembly (2) and the hazard point; The processing module is electrically connected with the laser ranging module and is used for calculating the relative elevation information of the hazard points according to the target distance and the inclination data acquired by the inclination sensor arranged in the holding main body (1).
8. The portable Beidou high-precision positioning device for dam hazard inspection according to claim 1, wherein the data acquisition module further comprises a line laser profile scanner, wherein the line laser profile scanner is used for carrying out two-dimensional profile scanning on the hazard points, and the processing module is electrically connected with the line laser profile scanner and is used for calculating the aperture or the area of the hazard points according to the scanning data of the line laser profile scanner.
9. The portable Beidou high-precision positioning device for dam hazard inspection according to claim 1, wherein the data acquisition module further comprises an environment sensor cluster (5), a ventilation and dust prevention filter screen (21) is arranged on the probe assembly (2), the environment sensor cluster (5) is arranged corresponding to the position of the ventilation and dust prevention filter screen (21) and is used for acquiring environment parameters around the hazard point, and the environment parameters comprise at least one of temperature, humidity and atmospheric pressure.
10. A portable beidou high-precision positioning method for dam hazard inspection, characterized in that the portable beidou high-precision positioning device for dam hazard inspection according to any one of claims 1-9 is adopted, comprising: Starting a portable Beidou high-precision positioning device for dam hazard inspection, acquiring current position information through the positioning module (4), and displaying the position information through the man-machine interaction module; collecting attribute data of the hazard points through the data collecting module; And the processing module is used for associating the position information at the triggering moment with the acquired attribute data and storing the associated position information and the attribute data as a hazard point record.

Description

Portable Beidou high-precision positioning device and method for dam hazard inspection Technical Field The invention relates to the technical field of dam protection, in particular to a portable Beidou high-precision positioning device and method for dam hazard inspection. Background The dam is a hydraulic engineering facility for water retaining, flood control, irrigation and the like, and in practical application, termites, mice, badgers and other harmful dykes can form holes and nest in the dam, and cavities and ant tunnels formed by the animals can show penetrability or semi-penetrability, so that the integrity of the dam structure is damaged, the impervious and shear strength of the dam is reduced, and the dam becomes an important hidden danger of causing major dangerous situations such as piping, leakage, landslide and even dam break. Therefore, it is necessary to periodically check and remove hazard points to secure the safety of the dike. The existing dam hazard point detection process mainly depends on manual ground inspection and uses simple tools such as compass, hand-held GPS, tape measure and the like. During specific operation, a patrol person walks along the surface of the dyke, uses a compass to determine the direction, obtains approximate position information by means of a handheld GPS, and measures the distance by using a tape measure, so that suspected signs of the movement of the dyke are recorded and initially positioned. However, the existing hazard point detection process has insufficient precision, the positioning precision of a common handheld GPS or a mobile phone can only reach a few meters or even worse, the specific position of the hazard point of the pest dyke is difficult to be accurately determined, and for some fine or hidden hazard points, the precision can not meet the actual requirements. Secondly, the existing detection process has low detection efficiency, a census person needs to manually record coordinates, descriptions and sketches on site, manually enter a computer after returning to the room, has complicated and error-prone process, has low data standardization degree, and cannot perform space superposition analysis with historical data and engineering drawings in real time. Disclosure of Invention The invention aims to provide a portable Beidou high-precision positioning device and method for dam hazard inspection, which are used for solving the technical problems of low precision and low efficiency of a hazard point detection method in the prior art. To achieve the purpose, the invention adopts the following technical scheme: In one aspect, the invention provides a portable Beidou high-precision positioning device for dam hazard inspection, which comprises: The holding body is internally provided with a first accommodating space; The positioning module is accommodated in the first accommodating space and is used for receiving satellite signals and outputting position information; The probe assembly is connected to one end of the holding body, and a second accommodating space is formed inside the probe assembly; The data acquisition module is accommodated in the second accommodating space and is used for acquiring attribute data of the hazard points, wherein the attribute data at least comprises image data; the processing module is accommodated in the first accommodating space, and is respectively and electrically connected with the positioning module and the data acquisition module and used for receiving and associatively storing the position information and the attribute data; The man-machine interaction module is arranged on the holding main body, and is electrically connected with the processing module and used for displaying information and receiving user input. Preferably, the holding body comprises a supporting framework, the supporting framework is located in the first accommodating space, the positioning module and the processing module are mounted on the supporting framework, a flange is arranged at one end of the supporting framework, and the probe assembly is mounted on the flange. Preferably, the probe assembly is connected to the flange plate of the holding body through a universal connection structure, the universal connection structure comprises a universal joint and a locking knob, the universal joint is used for adjusting the pitching angle and the rolling angle of the probe assembly relative to the holding body, and the locking knob is used for locking the universal joint. Preferably, the positioning module comprises a Beidou high-precision positioning board card and a radio frequency shielding plate, wherein the Beidou high-precision positioning board card is fixed on the radio frequency shielding plate through a shockproof connector, the radio frequency shielding plate is installed at the top of the supporting framework, and the holding main body is made of radio frequency wave-transmitting materials corresponding to the region of the Beidou h