Wireless centrifugal force tester
A centripetal force and experimental technology, applied in the field of experimental teaching, can solve the problems of large experimental errors and cumbersome installation, and achieve the effects of reducing experimental errors, convenient operation, and wireless transmission
Active Publication Date: 2012-04-25
SHANDONG YUANDA LLONGWILL EDUCATIONAL SCI & TECH LTD
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Problems solved by technology
[0003] In order to overcome the problems of cumbersome installation, large experimental error and limited rotation in the horizontal direction of the existing centripetal force tester, the present invention provides a wireless centripetal force tester, which adopts wireless communication, is simple to install, and can freely change the angle of the rotating plane
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[0025] like figure 1 As shown, the wireless centripetal force tester of the present invention mainly includes a base 1, a column 2, a rotating joint 3, a light blocking arm 9, a light blocking sheet 6, a swing arm 5, a strain gauge 12, a weight fixing rod 7, a weight 8, a balance Rod 10, bracket 17 and arm turning device. The column 2 is installed on the base 1, and the bracket 17 is installed on the column 2 through the swivel joint 3. The swivel joint 3 is an existing general-purpose part, which is divided into two parts, the dynamic body and the static body. The dynamic body and the static body can rotate relative to each other. The body and the static body are respectively fixed with the bracket 17 and the column 2, so that the bracket 17 and the swing arm 5 on it can change the fixed angle. A rotating shaft 13 and a swing arm rotating device are installed on the bracket 17, the rotating arm 5 is installed on the rotating shaft 13, and the rotating shaft 13 is connect...
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The invention provides a wireless centrifugal force tester comprising a base, an upright, a bracket and a singlechip, wherein the upright is arranged on the base, the bracket is arranged on the upright by virtue of a rotary joint, a rotating shaft and a spiral arm rotating device are arranged on the bracket, a spiral arm is arranged on the rotating shaft, and the rotating shaft is connected with the spiral arm rotating device; the spiral arm is provided with a strain meter, a weight fixing rod and a balancing rod; the bracket is provided with a light blocking arm, the light blocking arm is provided with a light blocking sheet; the spiral arm is also provided with a force sensing circuit used for measuring a centrifugal force, a photoelectrical gate circuit used for measuring the light blocking time and a singlechip, the force sensing circuit and the photoelectric gate circuit are connected with the singlechip, and the singlechip is connected with a wireless transmitter. By applying the wireless centrifugal force tester provided by the invention, the relation between the centrifugal force and turning radius under the same condition and the relation between the centrifugal force and turning radius under the same turning radius condition can be studied, relevant factors of the centrifugal force under different rotating angle conditions can be studied by changing the rotating angle, and wireless data transmission is realized.
Description
technical field [0001] The invention relates to a centripetal force experimenter for quantitatively studying the relationship between the centripetal force and the radius of rotation, the mass of an object and the speed of rotation, and belongs to the technical field of experiment teaching. Background technique [0002] In the centripetal force experiment, the relationship between the centripetal force and the radius of rotation, the mass of the object and the speed of rotation should be studied. At present, there are centripetal force testers of various structural forms, such as the "centripetal force tester" disclosed in Chinese patent documents CN87200733, CN2373853 and CN201004282, but these existing ones can complete quantitative measurements, but cannot use sensors to complete measurement data. Equipment (computers, projectors, etc.) cannot be used continuously; although some experiments can be completed through sensors, the centripetal force experimenter has a complex...
Claims
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Inventor 冯容士赵进李鼎
Owner SHANDONG YUANDA LLONGWILL EDUCATIONAL SCI & TECH LTD