Direction-adjustable double-point edge terminal video flow measuring device

Abstract

A direction-adjustable double-point edge terminal video flow measuring device comprises a video flow measuring supporting frame, a fixed rotating rod is arranged on the video flow measuring supporting frame, edge terminal video equipment is arranged on the fixed rotating rod, and the fixed rotating rod is used for driving the edge terminal video equipment to rotate by 90 degrees through a driving motor. Video flow measurement is carried out in the upstream direction and the downstream direction respectively; the video flow measurement supporting frame comprises a base, a supporting rod body and a top fixing frame, the top fixing frame is matched with the fixed rotating rod to fix the edge terminal video equipment, and the edge terminal video equipment is used for collecting images for video flow measurement.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of adjustable direction double-point edge terminal video flow measuring device. BACKGROUND

[0002] Natural river and artificial river channel utilize image recognition to carry out flow monitoring, it is a new technology of flow measurement in recent years, its main means is to install video device on the bank of river and artificial channel, obtains water surface flow velocity by using camera to shoot river surface video image to analyze the size of water flow tracer movement vector in fixed point, and then calculates the corresponding flow.

[0003] In practical application, since video flow measurement is sensitive to light, corrugation, water surface tracer and other factors, the high resolution and real-time of fixed position and angle video pre-flow will be affected, large error is generated when tracer density is low or imaging condition is complex, is greatly influenced by light and water flow tracer, causes measurement error, leading to the decline of video flow measurement collection accuracy. UTILITY MODEL CONTENT

[0004] The utility model embodiment provides a kind of adjustable direction double-point edge terminal video flow measuring device, structure design is reasonable, based on the mutual cooperation of multiple functional components, under the action of fixed rotating rod, flow is measured respectively in upstream and downstream two directions, the dynamic video of water flow is collected using non-contact measurement mode, the feature on water surface is taken as tracking target, reduces data transmission delay, improves the real-time of data processing operation, avoids large error when tracer density is low or imaging condition is complex, can be applicable to different water flow conditions and water flow environment, while the flow measurement form of double-point makes flow measurement accuracy mutually calibrates and corrects, so that flow measurement collection accuracy is greatly promoted, solve the problems in prior art.

[0005] The utility model employs the technical scheme to solve the above technical problems:

[0006] A kind of adjustable direction double-point edge terminal video flow measuring device, the flow measuring device includes video flow support frame, fixed rotating rod is equipped on video flow support frame, edge terminal video equipment is equipped on fixed rotating rod, the fixed rotating rod is used to rotate 90 ° by driving motor to drive edge terminal video equipment, to carry out video flow measurement in upstream direction and downstream direction respectively;

[0007] The video flow support frame includes base, support rod body and top fixed frame, the top fixed frame is cooperated with fixed rotating rod to fix edge terminal video equipment, and the edge terminal video equipment is used to collect image to carry out video flow measurement.

[0008] The solar panel is arranged on the middle upper part of the video flow measurement support frame, and is used for converting solar energy into electric energy to charge the storage battery.

[0009] The edge terminal video equipment is arranged on one end of the fixed rotating rod, and a wind direction and speed sensor is arranged on the other end of the fixed rotating rod.

[0010] A limit stopper is arranged on the fixed rotating rod, and is used for avoiding the angle inaccuracy of the edge terminal video equipment.

[0011] The driving motor is a low-consumption driving motor.

[0012] The edge terminal video equipment is connected with the controller through a wireless transceiver, so as to upload the collected flow measurement image to the controller.

[0013] The controller is of STM32F103C8T6 type, and 64 pins are arranged on the controller.

[0014] The wireless transceiver is of ESP8266 type, and 8 pins are arranged on the wireless transceiver.

[0015] The AD converter is of AD8551 type, and 8 pins are arranged on the AD converter.

[0016] The above-mentioned structure is adopted, the edge terminal video equipment is rotated 90° by the fixed rotating rod driven by the driving motor, so as to perform video flow measurement in the upstream direction and the downstream direction respectively; the image collected by the edge terminal video equipment is uploaded to the controller; the solar panel is used for converting solar energy into electric energy to charge the storage battery, and then the driving motor and the edge terminal video equipment are powered; the wind direction and speed sensor is used for measuring the change of the wind direction and speed, and provides auxiliary data for the video flow measurement; the data is collected and determined by the controller, so as to improve the data operation rate and accuracy, and the advantages of high accuracy, high efficiency, convenience and practicality are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model.

[0018] Figure 2 It is the structure schematic diagram of the fixed rotating rod of the utility model.

[0019] Figure 3 It is the electrical schematic diagram of the controller of the utility model.

[0020] Figure 4 It is the electrical schematic diagram of the AD converter of the utility model.

[0021] Figure 5 It is the electrical schematic diagram of the wireless transceiver of the utility model.

[0022] In the figure, 1, video flow measurement support frame, 2, fixed rotating rod, 3, edge terminal video equipment, 4, solar panel, 5, wind direction and speed sensor, 6, limit stop. DETAILED DESCRIPTION

[0023] In order to clearly illustrate the technical features of the present application, the utility model will be described in detail below through specific embodiments, and in conjunction with the accompanying drawings.

[0024] As shown in Figures 1-5 An adjustable direction double-point edge terminal video flow measurement device, the flow measurement device includes a video flow measurement support frame 1, a fixed rotating rod 2 is arranged on the video flow measurement support frame 1, and an edge terminal video equipment 3 is arranged on the fixed rotating rod 2, the fixed rotating rod 2 is used to drive the edge terminal video equipment 3 to rotate 90° by a driving motor, so as to carry out video flow measurement in the upstream direction and the downstream direction respectively.

[0025] The video flow measurement support frame 1 includes a base, a support rod body and a top fixing frame, the top fixing frame cooperates with the fixed rotating rod to fix the edge terminal video equipment, and the edge terminal video equipment is used to collect images for video flow measurement.

[0026] A solar panel 4 is arranged at the middle upper part of the video flow measurement support frame 1, the solar panel 4 is used to convert solar energy into electric energy to charge a storage battery, and the storage battery is used to supply power for the driving motor and the edge terminal video equipment.

[0027] The edge terminal video equipment 3 is arranged at one end of the fixed rotating rod 2, a wind direction and speed sensor 5 is arranged at the other end of the fixed rotating rod 2, and the wind direction and speed sensor 5 is used to measure the change of wind direction and speed.

[0028] A limit stop 6 is arranged on the fixed rotating rod 2, and the limit stop 6 is used to avoid the phenomenon that the angle of the edge terminal video equipment is not accurate.

[0029] The driving motor is a low-consumption driving motor.

[0030] The edge terminal video device 3 is connected with the controller through a wireless transceiver to upload the collected flow image to the controller; the wind direction and speed sensor 5 is connected with the controller through a communication line and an AD converter.

[0031] The model of the controller is STM32F103C8T6, and 64 pins are arranged on the controller; the controller is connected with the AD converter through the No. 15 pin, and the controller is connected with the wireless transceiver through the No. 20 pin and the No. 21 pin.

[0032] The model of the wireless transceiver is ESP8266, and 8 pins are arranged on the wireless transceiver; the wireless transceiver is connected with the No. 21 pin of the controller through the No. 4 pin, and the wireless transceiver is connected with the No. 20 pin of the controller through the No. 8 pin.

[0033] The model of the AD converter is AD8551, and 8 pins are arranged on the AD converter; the AD converter is connected with the No. 15 pin of the controller through the No. 6 pin, and the AD converter is connected with the wind direction and speed sensor through the No. 3 pin.

[0034] The working principle of the adjustable direction double-point edge terminal video flow measuring device in the embodiment of the utility model is that: based on the mutual cooperation of multiple functional components, under the action of the fixed rotating rod, flow is measured in two directions of upstream and downstream respectively, a non-contact measurement method is used to collect the dynamic video of water flow, the characteristics of the water flow surface are used as tracking targets, data transmission delay is reduced, the real-time performance of data processing operation is improved, large errors caused by low tracer density or complex imaging conditions are avoided, the device can be applied to different water flow conditions and water flow environments, and the double-point flow measurement form can calibrate and correct the flow measurement accuracy, so that the flow measurement accuracy is greatly improved.

[0035] The video flow measurement working mode can be widely applied to hydrological monitoring, flood warning and water resource management, dynamic video of the water flow surface is collected, the characteristics of the water flow surface in the video will move with the water flow, and the characteristics are used as tracking targets to perform analysis and operation, and real-time flow rate data is output.

[0036] Further, the application can support angle adjustment of the camera, adapt to different water flow conditions, and through a rotatable 180-degree truss type edge terminal camera shooting system and a corresponding mutually calibrated controller, one set of adjustable direction video flow measuring device can be used to realize the flow measurement effect of two sets of systems at one point, the flow measurement accuracy can be calibrated, and the flow measurement accuracy will be greatly improved.

[0037] In the overall scheme, it mainly includes a video flow measurement support frame, a fixed rotating rod is arranged on the video flow measurement support frame, an edge terminal video device is arranged on the fixed rotating rod, the fixed rotating rod is used to drive the edge terminal video device to rotate 90° by a driving motor, so as to carry out video flow measurement in the upstream direction and the downstream direction respectively; the video flow measurement support frame includes a base, a support rod body and a top fixing frame, the top fixing frame cooperates with the fixed rotating rod to fix the edge terminal video device, and the edge terminal video device is used to collect images for video flow measurement; the edge terminal video device is arranged at one end of the fixed rotating rod, and a wind direction and wind speed sensor is arranged at the other end of the fixed rotating rod, and the wind direction and wind speed sensor is used to measure the change of wind direction and wind speed.

[0038] Further, a solar panel is arranged at the middle upper part of the video flow measurement support frame, the solar panel is used to convert solar energy into electric energy to charge a storage battery, the storage battery is used to supply power for the driving motor and the edge terminal video device, so as to ensure the stable work of the driving motor and the edge terminal video device; the driving motor is a low-consumption driving motor, so that the driving motor can work for a long time.

[0039] In order to improve the measurement accuracy and avoid the phenomenon that the angle of the edge terminal video device is not accurate, a limiting stopper is arranged on the fixed rotating rod.

[0040] Compared with the electrical assembly of the application, a controller is used as a core component, the model of the controller is STM32F103C8T6, 64 pins are arranged on the controller, the controller is connected with an AD converter through the No. 15 pin, and the controller is connected with a wireless transceiver through the No. 20 pin and the No. 21 pin, so as to form an overall hardware circuit, the transmission of images and the collection of sensor signals are realized by relying on the overall hardware circuit, and the integrated controller is convenient for the operation of the staff.

[0041] Preferably, the model of the wireless transceiver is ESP8266, 8 pins are arranged on the wireless transceiver, the wireless transceiver is connected with the No. 21 pin of the controller through the No. 4 pin, and the wireless transceiver is connected with the No. 20 pin of the controller through the No. 8 pin; the model of the AD converter is AD8551, 8 pins are arranged on the AD converter, the AD converter is connected with the No. 15 pin of the controller through the No. 6 pin, and the AD converter is connected with the wind direction and wind speed sensor through the No. 3 pin.

[0042] It is particularly pointed out that the driving motor can also be connected with the controller through a relay, and the driving motor is actuated according to the control instruction of the controller to drive the edge terminal video device to rotate, so as to realize full-automatic control and driving and simplify the actual operation steps.

[0043] In conclusion, the adjustable direction double-point edge terminal video flow measuring device in the embodiment of the utility model is based on the mutual cooperation of multiple functional components, under the action of the fixed rotating rod, respectively measures the flow in the upstream and downstream directions, adopts a non-contact measurement mode to collect the dynamic video of the water flow, takes the characteristics of the water flow surface as the tracking target, reduces the data transmission delay, improves the real-time performance of the data processing operation, avoids a large error caused by low tracer density or complex imaging conditions, can be applied to different water flow conditions and water flow environments, and the flow measurement form of the double-point position calibrates and corrects each other, so that the flow measurement collection accuracy is greatly improved.

[0044] The above specific embodiments cannot be regarded as a limitation on the protection scope of the utility model, and any alternative improvement or transformation made by the person skilled in the art to the embodiment of the utility model falls within the protection scope of the utility model.

[0045] The parts not described in the utility model are the known technology of the person skilled in the art.

Claims

1. An adjustable directional dual-point edge termination video streaming device, characterized by: The flow measuring device comprises a video flow measuring support frame, a fixed rotating rod is arranged on the video flow measuring support frame, and an edge terminal video device is arranged on the fixed rotating rod, the fixed rotating rod is used for rotating the edge terminal video device by 90° through a driving motor, so as to perform video flow measurement in an upstream direction and a downstream direction respectively; The video flow measuring support frame comprises a base, a support rod body and a top fixing frame, the top fixing frame is matched with the fixed rotating rod to fix the edge terminal video device, and the edge terminal video device is used for collecting images for video flow measurement.

2. The adjustable directional dual-point edge termination video flow meter of claim 1, wherein: A solar panel is arranged at the middle upper part of the video flow measuring support frame, the solar panel is used for converting solar energy into electric energy to charge a storage battery, and the storage battery is used for supplying power for the driving motor and the edge terminal video device.

3. The adjustable directional dual-point edge termination video streamer of claim 1, wherein: The edge terminal video device is arranged at one end of the fixed rotating rod, and a wind direction and speed sensor is arranged at the other end of the fixed rotating rod, the wind direction and speed sensor is used for measuring the change of wind direction and speed.

4. The adjustable directional dual-point edge termination video streamer of claim 1, wherein: A limit stopper is arranged on the fixed rotating rod, the limit stopper is used for avoiding the phenomenon of inaccurate angle of the edge terminal video device.

5. The adjustable directional dual-point edge termination video streamer of claim 1, wherein: The driving motor is a low-consumption driving motor.

6. The adjustable directional dual-point edge termination video streamer of claim 3, wherein: The edge terminal video device is connected with a controller through a wireless transceiver to upload the collected flow measurement images to the controller, and the wind direction and speed sensor is connected with the controller through a communication line and an AD converter.

7. The adjustable directional dual-point edge termination video streamer of claim 6, wherein: The model of the controller is STM32F103C8T6, 64 pins are arranged on the controller, the controller is connected with the AD converter through the No. 15 pin, and the controller is connected with the wireless transceiver through the No. 20 pin and the No. 21 pin.

8. The adjustable directional dual-point edge termination video streamer of claim 7, wherein: The model of the wireless transceiver is ESP8266, 8 pins are arranged on the wireless transceiver, the wireless transceiver is connected with the No. 21 pin of the controller through the No. 4 pin, and the wireless transceiver is connected with the No. 20 pin of the controller through the No. 8 pin.

9. The adjustable directional dual-point edge termination video streamer of claim 7, wherein: The model of the AD converter is AD8551, 8 pins are arranged on the AD converter, the AD converter is connected with the No. 15 pin of the controller through the No. 6 pin, and the AD converter is connected with the wind direction and speed sensor through the No. 3 pin.

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