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A teaching device for visually judging the end of the same name

A teaching device and the technology of the end of the same name, which is applied in the field of teaching devices for intuitively judging the end of the same name, can solve the problems that the end of the current with the same name is difficult to judge intuitively, and achieve the effect of convenient teaching

Active Publication Date: 2022-06-07
CHANGZHOU COLLEGE OF INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the actual teaching situation, it is difficult to intuitively judge the homonymous end of the current

Method used

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  • A teaching device for visually judging the end of the same name
  • A teaching device for visually judging the end of the same name
  • A teaching device for visually judging the end of the same name

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] combine figure 1 , a teaching device for intuitively judging the end of the same name in this embodiment includes an installation frame, two power sources 4, two coils 1 and a silicon steel column 2. In this embodiment, the installation frame includes a bottom plate 3-4, two side supports Plate 3-2 and a middle support plate 3-1, the middle support plate 3-1 is located between the two side support plates 3-2, and the two side support plates 3-2 and a middle support plate 3-1 are fixed on the bottom plate 3-4;

[0028] continue figure 1 , the middle of the silicon steel column 2 is fixed on the middle support plate 3-1 of the mounting frame; specifically, the middle support plate 3-1 is provided with a slot 3-1-1 for the silicon steel column 2 to be snapped into the installation; the middle support plate 3 The top of -1 is threadedly connected with a locking screw 8 that can extend into the slot 3-1-1 to lock the silicon steel column 2;

[0029] continue figure 1 , t...

Embodiment 2

[0033]combine figure 2 The basic structure of the teaching device for intuitively judging the end of the same name of this embodiment is the same as that of Embodiment 1, except that a compass is provided on the side support plate 3-2 of the mounting frame and at the position facing the end of the silicon steel column 2 6. Specifically, the two side support plates 3-2 of the mounting frame in the present embodiment are provided with a compass 6 at the positions facing both ends of the silicon steel column 2; the compass 6 is placed on the upper surface of the support column 3-3, The support column 3-3 is placed on the bottom plate 3-4 of the mounting frame; the compass 6 is sandwiched between the end of the silicon steel column 2 and the clamping screw 10 screwed on the side support plate 3-2, and the clamping screw 10 is arranged coaxially with the silicon steel column 2, and the center of the compass 6 is located on the axis of the silicon steel column 2;

[0034] In the i...

Embodiment 3

[0036] combine image 3 The basic structure of the teaching device for intuitively judging the end of the same name of the present embodiment is the same as that of the embodiment 1, the difference is that: the two side support plates 3-2 of the mounting frame are respectively set at the positions facing the two ends of the silicon steel column 2. There is a compass 6 and a magnetic conductive column 5, wherein the magnetic conductive column 5 is fixed on the side support plate 3-2 of the installation frame through a tensile force sensor 7, and the data transmission line of the tensile force sensor 7 is connected with the tensile force sensor display 11; Specifically, the tensile force sensor 7 It is a miniature S-shaped tension sensor; one end of the miniature S-shaped tension sensor is fixedly connected with the side support plate 3-2 through the connecting rod 12; the other end of the miniature S-shaped tension sensor is fixed with a magnetic conductive column 5; the magneti...

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Abstract

The invention discloses a teaching device for visually judging the end of the same name, which comprises a mounting frame, two power supplies, two coils and a silicon steel column, the middle part of the silicon steel column is fixed on the middle support plate of the mounting frame; the two coils are respectively wound On both ends of the silicon steel column; the two power supplies are electrically connected to the two coils respectively; the side support plate of the mounting frame and the position facing the end of the silicon steel column are provided with a magnetic guide column or a compass, and the magnetic guide column passes through the pulling force The sensor is fixed on the side support plate of the installation frame, and the data transmission line of the tension sensor is connected to the tension sensor display; or the two side support plates of the installation frame are respectively provided with a compass and a magnetic guide column at the positions facing the two ends of the silicon steel column. The magnetic column is fixed on the side support plate of the installation frame through the tension sensor, and the data transmission line of the tension sensor is connected with the tension sensor display. The present invention can visually judge the end of the same name by observing the tension value measured by the tension sensor or the deflection angle of the compass.

Description

technical field [0001] The present invention relates to a teaching device, more particularly, to a teaching device for intuitively judging the terminal of the same name. Background technique [0002] The so-called same-named end means that alternating current (or direct current to generate a static magnetic field) is applied to the two windings. When the directions of the magnetic fluxes are superimposed (in the same direction), the current inflow ends of the two windings are their same-named ends. The current outgoing terminals are their other set of namesake terminals. However, in real teaching situations, it is difficult to intuitively judge the eponymous end of the current. [0003] After searching, there have been publications on how to determine the same name terminal, such as the Chinese Patent No. ZL2014208278222, the authorization announcement date is April 29, 2015, and the name of the invention is: A pulse transformer same name terminal identifier, the applicatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/18
CPCG09B23/181Y02P90/02
Inventor 涂琴嵇明军颜鹏吴琪支则君
Owner CHANGZHOU COLLEGE OF INFORMATION TECH