String vibration experiment device capable of accurately controlling tension borne by string
An experimental device, string vibration technology, applied in non-electrical variable control, control/regulation system, mechanical pressure/force control, etc., can solve problems such as roughness and the inability of the overall mass of the weight to change continuously, and achieve the effect of accurate determination
Pending Publication Date: 2019-11-26
LANZHOU UNIVERSITY
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However, the overall quality of the weight cannot change continuously, and only a relatively stable standing wave can be roughly obtained.
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[0018] The present invention will be described in further detail below in conjunction with preferred embodiment, set forth more details in the following description so as to fully understand the present invention, but, the present invention can obviously be implemented in a variety of other modes different from this description, Those skilled in the art can make similar promotions and deductions based on actual application situations without violating the connotation of the present invention, so the content of this specific embodiment should not limit the protection scope of the present invention.
[0019] The accompanying drawings are schematic diagrams of the embodiments of the present invention. It should be noted that the accompanying drawings are only examples and are not drawn in accordance with the same scale conditions, and should not be taken as limitations on the actual scope of protection of the present invention.
[0020] A string vibration experimental device that ...
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The invention discloses a string vibration experiment device capable of accurately controlling tension borne by a string. The device comprises a vibration source, a string, a reversing wheel, a weight, a scale and a supporting plane. The vibration source is arranged on the supporting plane; the reversing wheel is arranged on the side edge of one end, away from the vibration source, of the supporting plane; and one end of the string is connected with the vibration source and the other end of the string is connected with the weight through the reversing wheel. The weight includes a drip cup, liquid, a flow speed regulator, a guide pipe and a container. The scale arranged on the supporting plane is perpendicular to the string and can move in the direction parallel to the string. According tothe string vibration experiment device, the overall mass of a container on the string and liquid in the container is accurately controlled, the tension on the string can be controlled accurately, andthe tension on the string in a state of waveform stability can be measured accurately. The most stable state with the maximum amplitude of the standing wave can be determined accurately; and the wavecrest and node positions are accurately determined.
Description
technical field [0001] The invention relates to an experimental device, more specifically, to a string vibration experimental device for precisely controlling the tension on the string. Background technique [0002] The string vibration experiment is one of the basic contents of general physics experiments in colleges and universities, and the string vibration experiment equipment is constantly being improved with the development of science and technology. [0003] At present, in string vibration experiments, weights are used to provide string tension, and the overall mass of weights is adjusted by adjusting the number of weights to change string tension, thereby obtaining a stable standing wave. However, the overall mass of the weight cannot change continuously, and only a relatively stable standing wave can be roughly obtained. [0004] Therefore, the problems existing in the prior art need to be further improved and developed. Contents of the invention [0005] (1) Pu...
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IPC IPC(8): G05D15/00G09B23/10
CPCG05D15/00G09B23/10
Inventor 王方聪王之涵
Owner LANZHOU UNIVERSITY