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A fully automatic real-time monitoring Renault experiment teaching device

A technology of real-time monitoring and teaching device, applied in the field of Reynolds experiment, can solve the problems of complicated operation and large error during experiment, and achieve the effect of simple process, avoiding experiment error and improving utilization rate

Inactive Publication Date: 2020-09-04
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the technical problems of large error and complex operation in the artificial experiment of the existing Renault experimental device, the present invention proposes a fully automatic real-time monitoring Renault experimental teaching device, which can avoid the human error introduced by the above-mentioned defects, and can Complete the teaching experiment more accurately within the experimental teaching time, improve the effect of experimental teaching, and obtain more accurate experimental results

Method used

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  • A fully automatic real-time monitoring Renault experiment teaching device
  • A fully automatic real-time monitoring Renault experiment teaching device
  • A fully automatic real-time monitoring Renault experiment teaching device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: as figure 1 As shown, a fully automatic real-time monitoring Reynolds experimental teaching device includes a test bench, on which a water supply tank 11 is placed, and the water supply tank 11 is connected to the water pump 14 and the tracer adding pipeline 31 respectively, and the water pump 14 is connected to the circulation The water tanks 13 are connected, and the circulating water tank 13 is arranged under the test bench. The water pump provides power for the water circulation, and the water pump 14 pumps the water in the circulating water tank 13 into the water supply tank, thereby making the water circulation work.

[0032] The tracer addition pipeline 31 is connected with the observation pipe 12 through the tracer addition regulating valve 32, the tracer addition regulating valve 32 is used to control the inflow speed of the tracer, and the tracer addition pipeline 31 is arranged at the entrance of the observation pipe. At the nozzle, the upper pa...

Embodiment 2

[0041] Embodiment 2: A fully automatic real-time monitoring Renault experimental teaching device, the number of CCD cameras 21 is at least three groups, three groups of CCD cameras are respectively arranged at the water inlet, middle and water outlet of the observation tube, three groups The CCD cameras are matched with three sets of reflective background baffles to ensure the effect of each set of cameras to capture pictures, which are used for real-time collection and recording of the flow state of the water flow, which is helpful for students to observe the changes of the flow state in the observation tube 12 and the display screen synchronously. The change of the Reynolds value of the upper water flow state deepens the students' knowledge and understanding of the flow mechanism of the water flow and the law of the change of the water flow state.

[0042] All the other structures and experimental methods are the same as in Example 1.

Embodiment 3

[0043] Embodiment 3: as image 3 As shown, a kind of full-automatic real-time monitoring Reynolds experimental teaching device is provided with several water flow guide plates 15 in the water supply tank 11, and the water flow guide plates 15 are arranged at the water inlet near the water supply tank 11. Smaller than the width of the water supply tank 11, one end of the water flow guide plate 15 is connected to the water supply tank, and there is a gap between the other end of the water flow guide plate and the water supply tank. The water flow stably flows into the observation tube 12, which contributes to the accuracy of subsequent experiments.

[0044] All the other structures and experimental methods are the same as in Example 1.

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Abstract

The invention provides a Reynolds experiment teaching device realizing full-automatic and real-time monitoring. The device comprises an experiment table, a water supply tank is placed on the experiment table, the water supply tank is connected with a water suction pump and a tracer agent adding pipeline, the water suction pump is connected with a circular water tank, the tracer agent adding pipeline is connected with an observing pipe through a tracer agent adding adjusting valve, an image collecting device is arranged on the observing pipe, the observing pipe is connected with a purifying device through a water flow adjusting valve, and the purifying device is connected with the circular water tank. For the device, the integral experiment process is simple, the operability is strong, theexperiment period is short, the experimental errors caused by human factors can be avoided, an upper computer controls the water flow adjusting valve to dynamically adjust the water flow speed in theobserving pipe, the change rule of the Reynolds number of the water flow under different water flow speed states can be accurately monitored, thus the depth and breadth of the existing experiment areexpanded, and the teaching effect is improved.

Description

technical field [0001] The invention relates to the technical field of Renault experiment, in particular to a fully automatic real-time monitoring Renault experiment teaching device. Background technique [0002] The Reynolds experiment has a very important position in the development history of fluid mechanics. It is an important experiment for beginners in fluid mechanics to understand the flow mechanism of water flow and the law of water flow state changes. Therefore, in the teaching process of fluid mechanics, Reynolds experiment is an indispensable teaching experiment. However, the existing experimental teaching devices have the following defects in data collection and water velocity control. First, the transition between laminar flow and turbulent flow depends entirely on human visual observation. Subjective factors have a great influence, and the resulting errors are also very large; second, in the process of solving the Reynolds number, the water flow velocity is ob...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/12
Inventor 宋怀涛马瑞姚浩伟魏晓鸽吴则琪刘建程左东东曹鹏
Owner ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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