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Ball plate friction electric power-electricity real time measurement device and method

A real-time measurement and power technology, applied in the field of physical experiments, can solve problems such as lack of and inability to understand the importance of force action, and achieve the effect of eliminating the influence of charge measurement, facilitating subsequent data processing, and convenient control.

Inactive Publication Date: 2016-04-27
LANZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The role of mechanics in triboelectricity has always been a topic of concern to scholars. However, due to the lack of real-time triboelectricity-electricity simultaneous measurement devices, it is difficult to understand the role of force in triboelectricity well, and Importance of force to reveal triboelectric mechanism

Method used

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  • Ball plate friction electric power-electricity real time measurement device and method
  • Ball plate friction electric power-electricity real time measurement device and method
  • Ball plate friction electric power-electricity real time measurement device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Such as Figure 1-3 As shown, a real-time measurement device for triboelectricity-electricity of a ball plate includes an equipment base 3, a sample support rod 12, a sample motion control unit, a triboelectric measurement unit, a pressure measurement unit, a temperature and humidity control unit, a shielding net cover 2, a glass Cabinet 1. External control device and computer monitoring system, in which:

[0044] The equipment base 3 is set horizontally and is used as the base platform of the measuring device;

[0045]The sample holder 12 is used to fix a sample 23 for triboelectric measurement.

[0046] The sample motion control unit includes a first vertical slide rail, a second vertical slide rail, a screw support 8, a lead screw 9, a lead screw motor 10, a horizontal displacement block 11 and a pushing device, and the first vertical slide The rail is composed of a first fixed slide rail 4 and a first moving slide rail 5 that are slidably connected to each other, ...

Embodiment 2

[0056] A method for performing real-time measurement of the frictional power-electricity of the ballboard using the device for measuring the frictional power-electricity of the ballboard described in Embodiment 1, comprising the following steps:

[0057] (1) Control the electric push rod to push up the lower horizontal guide rail 14, drive the first moving slide rail 5 and the second moving slide rail 7 to move upward, so that the bottom end of the sample support rod 12 is a certain distance away from the Faraday cage 20, and then through the shielding net The shielding window on the cover 2 is fixed at the bottom of the sample pole 12 for friction with a sample 23, and the sample 23 can be selected from glass balls; the surface of the friction plate 22 is treated to remove impurities, and the friction plate 22 can be selected from a glass plate;

[0058] (2) By controlling the rotation of the lead screw motor 10 and the lead screw 9, adjust the horizontal position of the horiz...

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Abstract

The invention provides a ball plate friction electric power-electricity real time measurement device and a method. The device comprises a sample support rod, a sample motion control unit, a frictional electricity measurement unit, a pressure measurement unit and a shielding screen. The sample support rod is used for fixing a sample for frictional electricity measurement; the sample motion control unit is connected to the sample support rod for controlling the horizontal movement and the perpendicular movement of the sample support rod; the frictional electricity measurement unit comprises a Faraday cylinder and an electrometer electrically connected to the Faraday cylinder; the Faraday cylinder is fixedly and internally provided with a horizontal friction plate; and the pressure measurement unit is used for measuring the vertical pressure received by the friction plate. The ball plate friction electric power-electricity real time measurement device can accurately measure the affect on the frictional electricity charge by the plurality of variables, such as the relative friction speed, the friction distance, the contact pressure, the humiture, etc, and performs the real-time measurement on the change of the frictional electricity charge.

Description

technical field [0001] The invention belongs to the technical field of physical experiments, and relates to a real-time measuring device for frictional power-electricity of a ball plate and a method for measuring the frictional electricity of a ball plate using the device. Background technique [0002] Triboelectricity has always been considered a classic physical phenomenon, and it has been discovered for nearly 3,000 years. However, the mechanism of triboelectricity, especially the mechanism of electrification after contact with the same substance is still unclear. In fact, the research on triboelectricity involves many fields such as physics, chemistry and mechanics, and is a multidisciplinary subject. The role of mechanics in triboelectricity has always been a topic of concern to scholars. However, due to the lack of real-time triboelectricity-electricity simultaneous measurement devices, it is difficult to understand the role of force in triboelectricity well, and The ...

Claims

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Application Information

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IPC IPC(8): G09B23/18
CPCG09B23/181
Inventor 谢莉张岳胡沈沈包能能
Owner LANZHOU UNIVERSITY
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