Non-contact river flow velocity measuring device

Abstract

The utility model discloses a non-contact riverway flow velocity measuring device which comprises a camera, the camera is installed on a camera support, the camera support is installed on a supporting frame, the supporting frame is installed on a transverse telescopic rod, the transverse telescopic rod is installed on a telescopic supporting column, and the telescopic supporting column is installed on the camera support. The camera support comprises an L-shaped supporting plate, a U-shaped supporting rod is welded to the L-shaped supporting plate, the U-shaped supporting rod is hinged to the camera through a pin shaft, and an electric push rod is hinged between the L-shaped supporting plate and the camera. The traction rod penetrates through the supporting frame and is hung on the supporting rod, and the traction rod is stably hung on the supporting rod under the dual action of the elastic force of the L-shaped supporting plate and the gravity spring of the camera, so that the camera supporting rod bracket is convenient to mount and dismount, and the camera is convenient to dismount and mount.

Description

TECHNICAL FIELD

[0001] The utility model relates to river flow velocity measurement technical field, concretely is a non -contact river flow velocity measuring device. BACKGROUND

[0002] The utility model discloses a river surface flow velocity measuring device, it includes: solar panel, camera, holder, video server, signal base station and server, is installed in the shore of river on the stay, wherein: the solar panel, camera, holder and video server are installed on the support on the stay, the camera is installed on the holder, and the camera lens is directly opposite the river surface, and the solar panel is connected with the camera, holder and video server respectively through the cable, and the video server is connected with the camera and holder respectively through the cable, and the video server is connected with the server through the network, and the signal of video server is transmitted to the signal base station, and the signal base station is connected with the server through the network, and the signal of signal base station is transmitted to the server.

[0003] The above patent has the following deficiencies:

[0004] The camera is fixedly installed on the circular table, and the camera is usually fixed through bolts, so that the camera is inconvenient to disassemble, maintain and replace in the later period, and the height of the stay cannot be adjusted, and the transverse position of the camera cannot be adjusted, so that the position of the camera cannot be adjusted to shoot the river channel of different widths. UTILITY MODEL CONTENTS

[0005] In view of the problems existing in the prior art, the utility model is provided.

[0006] Therefore, the utility model aims at providing a non-contact river flow velocity measuring device, which solves the problems that the camera is fixedly installed on the circular table, the camera is usually fixed through bolts, so that the camera is inconvenient to disassemble, maintain and replace in the later period, and the height of the stay cannot be adjusted, and the transverse position of the camera cannot be adjusted, so that the position of the camera cannot be adjusted to shoot the river channel of different widths.

[0007] In order to solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0008] A non-contact river flow velocity measuring device, comprising a camera, the camera is installed on the camera support, the camera support is installed on the support frame, the support frame is installed on the transverse telescopic rod, and the transverse telescopic rod is installed on the telescopic support column.

[0009] In a preferred embodiment of the non-contact river flow velocity measuring device of this utility model, the camera bracket includes an L-shaped support plate, a U-shaped support rod is welded to the L-shaped support plate, the U-shaped support rod is hinged to the camera via a pin, and an electric push rod is hinged between the L-shaped support plate and the camera.

[0010] As a preferred embodiment of the non-contact river flow velocity measuring device of this utility model, the L-shaped support plate is welded with a traction rod, the end of the traction rod has a hook, the support frame is provided with a support rod, the traction rod is sleeved with a spring, the hook is hung on the support rod, the spring is located between the support frame and the L-shaped support plate, the spring is in a compressed state, and the support frame is provided with a through hole for the traction rod to pass through.

[0011] In a preferred embodiment of the non-contact river flow velocity measuring device of this utility model, a U-shaped support block is welded on the support frame, and both ends of the support rod are inserted into the U-shaped support block.

[0012] In a preferred embodiment of the non-contact river flow velocity measuring device of this utility model, the transverse telescopic rod includes a first rod body, the right end of the first rod body is inserted into a first tube body, the first rod body and the first tube body are fixed together by bolts, and the support frame is installed on the first rod body by bolts.

[0013] As a preferred embodiment of the non-contact river flow velocity measuring device of this utility model, wherein: the first rod body is provided with first internal threaded holes at equal intervals, and the first tube body is provided with internal threaded holes with the same diameter as the first internal threaded holes.

[0014] In a preferred embodiment of the non-contact river flow velocity measuring device of this utility model, the telescopic support column includes a second rod, the right end of which is inserted into a second tube, and the second rod and the second tube are fixed together by bolts.

[0015] As a preferred embodiment of the non-contact river flow velocity measuring device of this utility model, the second rod body is provided with second internal threaded holes at equal intervals, and the second tube body is provided with internal threaded holes with the same diameter as the second internal threaded holes.

[0016] In a preferred embodiment of the non-contact river flow velocity measuring device of this utility model, the right end of the first tube is connected to a T-shaped support block, the bottom of the T-shaped support block is detachably connected to a second rod, and the bottom of the second tube is detachably connected to a mounting plate.

[0017] Compared with existing technologies:

[0018] 1. The camera support of the utility model is characterized in that a traction rod is welded on the camera support of the camera, the traction rod passes through the support frame and is hung on the support rod, under the double action of the gravity spring of the L-shaped support plate and the camera, the traction rod is stably hung on the support rod, so that the installation and dismounting of the camera support rod support are convenient, thereby facilitating the dismounting of the camera.

[0019] 2. The horizontal position and height of the camera can be adjusted through the setting of the horizontal telescopic rod and the telescopic support column, so that the position adjustment of the camera is completed, and the inclination angle adjustment of the camera is realized through the electric push rod, so that the all-around adjustment of the camera is realized, thereby shooting the whole river channel and making the shooting data more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure schematic view provided by the utility model is provided.

[0021] Figure 2 The structure schematic view provided by the utility model is provided. Figure 1 The partial enlarged view of the utility model is provided.

[0022] Figure 3 The schematic view of the camera support provided by the utility model is provided.

[0023] Figure 4 The module view of the video flow measurement system provided by the utility model is provided.

[0024] In the drawing: mounting plate 1, second pipe body 3, second rod body 4, T-shaped support block 6, first pipe body 8, first rod body 9, support frame 10, L-shaped support plate 11, camera 12, electric push rod 13, U-shaped support rod 14, traction rod 15, support rod 16, U-shaped support block 17, spring 18, through hole 19. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will combine the drawings to make the further detailed description of the embodiment of the utility model.

[0026] The utility model provides a kind of non-contact river flow velocity measuring device, please refer to Figures 1-4 Including camera 12, camera 12 is installed on camera support, camera support is installed on support frame 10, support frame 10 is installed on horizontal telescopic rod, horizontal telescopic rod is installed on telescopic support column.

[0027] Camera support includes L-shaped support plate 11, U-shaped support rod 14 is welded on L-shaped support plate 11, U-shaped support rod 14 is hinged between camera 12 by pin shaft, electric push rod 13 is hinged between L-shaped support plate 11 and camera 12.

[0028] The L-shaped support plate 11 is welded with a traction rod 15, the end of the traction rod 15 is provided with a hook, the support frame 10 is provided with a support rod 16, the traction rod 15 is sleeved with a spring 18, the hook is hung on the support rod 16, the spring 18 is located between the support frame 10 and the L-shaped support plate 11, the spring 18 is in a compressed state, and the support frame 10 is provided with a through hole 19 for the traction rod 15 to pass through.

[0029] The support frame 10 is welded with a U-shaped support block 17, and the two ends of the support rod 16 are lapped into the U-shaped support block 17.

[0030] The transverse telescopic rod comprises a first rod body 9, the right end of the first rod body 9 is inserted into a first tube body 8, the first rod body 9 and the first tube body 8 are fixed by bolts, equidistant first internal thread holes are formed in the first rod body 9, equidiameter internal thread holes are formed in the first tube body 8, and the support frame 10 is installed on the first rod body 9 by bolts.

[0031] The telescopic support column comprises a second rod body 4, the right end of the second rod body 4 is inserted into a second tube body 3, equidistant second internal thread holes are formed in the second rod body 4, equidiameter internal thread holes are formed in the second tube body 3, and the second rod body 4 and the second tube body 3 are fixed by bolts.

[0032] The right end of the first tube body 8 is connected with a T-shaped support block 6, the bottom of the T-shaped support block 6 is detachably connected with the second rod body 4, and the bottom of the second tube body 3 is detachably connected with the mounting plate 1.

[0033] It also includes existing mature technology: video flow measurement system, which includes image acquisition module, image processing module, feature extraction module, flow velocity analysis module, flow calculation module, data fusion module, intelligent analysis module and real-time transmission module; the image acquisition module uses a high-definition camera to capture images of the river surface in real time.

[0034] The image preprocessing module: denoising, enhancement and other processing of the collected images to improve the accuracy of subsequent analysis.

[0035] The feature extraction module: extracts water flow features from the image, such as water surface fluctuation, floating objects, etc.

[0036] The flow velocity analysis module: uses image processing techniques (such as optical flow method) to analyze the motion of feature points and calculates the flow velocity.

[0037] The water level measurement module: determines the water surface height through image analysis and calculates the water level combined with known cross-section information.

[0038] The flow calculation module: combines flow velocity and cross-sectional area to calculate flow using fluid mechanics formulas.

[0039] Data fusion module: may combine other sensor data, such as rainfall, air temperature, etc., for comprehensive analysis.

[0040] Intelligent analysis module: apply machine learning and pattern recognition techniques to improve the accuracy and reliability of data analysis.

[0041] Real-time transmission module: real-time transmission of monitoring data to the monitoring center through wired or wireless networks.

[0042] In specific use, the traction rod 15 on the L-shaped support plate 11 is inserted through the through hole 19, so that the hook at the end of the traction rod 15 is higher than the U-shaped support block 17, the support rod 16 is placed in the two U-shaped support blocks 17, the spring 18 drives the L-shaped support plate 11 to descend, and the hook at the end of the traction rod 15 is hung on the support rod 16, so that when the camera is disassembled, the traction rod 15 is moved upward to disassemble the support rod 16, and the L-shaped support plate 11 can be disassembled from the support frame 10;

[0043] The tilt angle of the camera 12 is adjusted by the extension and retraction of the electric push rod 13, the lateral position of the camera 12 is adjusted by adjusting the depth of the first rod body 9 inserted into the first tube body 8, and the height of the camera 12 is adjusted by adjusting the second rod body 4 inserted into the second tube body 3.

[0044] The video flow measurement system processes the video to obtain the river flow rate.

[0045] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not exhaustively described in the specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A non-contact river flow velocity measuring device comprising a video camera (12) mounted on a video camera support, characterised in that: The camera support is mounted on a support frame (10), the support frame (10) is mounted on a transversely telescopic rod, the transversely telescopic rod is mounted on a telescopic support column; The camera support comprises an L-shaped support plate (11), a U-shaped support rod (14) is welded on the L-shaped support plate (11), the U-shaped support rod (14) is hingedly connected with a camera (12) through a pin shaft, and an electric push rod (13) is hingedly connected between the L-shaped support plate (11) and the camera (12). A traction rod (15) is welded on the L-shaped support plate (11), the traction rod (15) has a hook at the end, a support rod (16) is arranged on the support frame (10), a spring (18) is sleeved on the traction rod (15), the hook is hung on the support rod (16), the spring (18) is located between the support frame (10) and the L-shaped support plate (11), the spring (18) is in a compressed state, and a through hole (19) is formed in the support frame (10) and used for allowing the traction rod (15) to pass through.

2. The non-contact river flow velocity measuring device according to claim 1, wherein, A U-shaped support block (17) is welded on the support frame (10), and both ends of the support rod (16) are lapped into the U-shaped support block (17).

3. The non-contact river flow velocity measuring device according to claim 1, wherein, The transversely telescopic rod comprises a first rod body (9), the right end of the first rod body (9) is inserted into a first tube body (8), and the first rod body (9) and the first tube body (8) are fixed through bolts.

4. The non-contact river flow velocity measuring device according to claim 3, wherein, First internal threaded holes are formed at equal intervals on the first rod body (9), and internal threaded holes with the same hole diameter as the first internal threaded holes are formed on the first tube body (8).

5. The non-contact river flow velocity measuring device according to claim 3, wherein, The telescopic support column comprises a second rod body (4), the right end of the second rod body (4) is inserted into a second tube body (3), and the second rod body (4) and the second tube body (3) are fixed through bolts.

6. A non-contacting river flow velocity measuring device according to claim 5, wherein, Second internal threaded holes are formed at equal intervals on the second rod body (4), and internal threaded holes with the same hole diameter as the second internal threaded holes are formed on the second tube body (3).

7. A non-contacting river flow velocity measuring device according to claim 6, wherein, The right end of the first tube body (8) is connected with a T-shaped support block (6), the bottom of the T-shaped support block (6) is detachably connected with the second rod body (4), and the bottom of the second tube body (3) is detachably connected with a mounting plate (1).

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