CN203386401U

CN203386401U - Simulation electrostatic field plotter

Info

Publication number: CN203386401U
Application number: CN201320475620.1U
Authority: CN
Inventors: 邱前球; 陈光伟; 文景
Original assignee: Xiangnan University
Current assignee: Xiangnan University
Priority date: 2013-07-30
Filing date: 2013-07-30
Publication date: 2014-01-08
Anticipated expiration: 2023-07-30

Abstract

A simulation electrostatic field plotter is mainly applied in physics experiment teaching in colleges and secondary vocational schools. The simulation electrostatic field plotter comprises a water tank, tap water, supporting pillars, an organic glass platform, coordinate paper, an electrode I, an electrode II, a laser point-tracing place, a simulation electrostatic field tester and a probe device. A semiconductor laser on the probe device is electrically connected with the binding post I of the simulation electrostatic field tester through a cable on the probe device; the semiconductor laser emits a laser beam; the laser beam passes through a light-emitting hole, penetrates through the organic glass platform ad produces the laser point-tracing place on the coordinate paper; potentials at any place of the tap water dielectric medium in the water tank is measured and displayed by a voltmeter through a probe on the probe device; the position of the probe is directly traced through the laser point-tracing place on the coordinate paper, so that the problem that the probe and the tracing points are not in the same line in a bilayer structure instrument is completely solved, plotting becomes visual and simple, and the conducting medium and the electrodes are easy to replace and clean.

Description

A kind of analog electrostatic field drawing apparatus

Affiliated technical field

The utility model relates to a kind of analog electrostatic field drawing apparatus, is mainly used in large, special secondary school universities and colleges physics experiment teaching.

Background technology

Electric field can be described by the space distribution of electric field intensity and current potential, under general clear condition, solve electrostatic field more complicated and difficulty by mathematical method, often by means of experiment, measured, and directly the distribution of measurement of electrostatic field is very difficult, for this reason, the method for steady current field stimulation electrostatic field commonly used is come indirect measurement of electrostatic field, and this kind of experimental technique is " simulation ".The conducting medium of existing analog electrostatic field drawing apparatus is mainly tap water, conductive crystallite, but, no matter conducting medium is tap water or conductive crystallite, all exist obvious deficiency: steady current field and plotting board are for two-layer up and down, its probe and describe the pen be separately fixed on upper and lower two shell fragments, while describing, probe and tracing point are difficult on same straight line, therefore, will bring larger error; In addition, apparatus structure is complicated, complex operation, especially during the tap water conducting medium, is difficult for changing conducting medium and electrode.

Summary of the invention

In order to solve the deficiency of existing analog electrostatic field drawing apparatus, the utility model provides a kind of novel analog electrostatic field scanner, this analog electrostatic field drawing apparatus has not only solved probe and has described the disalignment problem of pen, make to describe to become directly perceived and simple, and conducting medium, electrode are easily changed and clean.

The utility model solves the technical scheme that its technical matters adopts: its water-bearing channel, tap water, support column, organic glass platform, coordinate paper, electrode I, electrode II, laser described point place, analog electrostatic field tester, probe apparatus.The analog electrostatic field tester is containing binding post I, binding post II, binding post III, voltage table, cabinet.Probe apparatus is containing base, probe, semiconductor laser, light hole, laser instrument metallic sheath, metal beam, cable.Fill appropriate tap water dielectric in tank.The organic glass platform is fixed with four support columns, electrode I, electrode II are fixed on the appropriate location of organic glass platform, be placed with coordinate paper on the organic glass platform, the mobile organic glass platform that is fixed with four support columns can make the lower end of electrode I, electrode II be dipped in tap water.The analog electrostatic field tester provides AC power by binding post II, binding post III, electrode I is electrically connected to binding post III by wire, electrode II is electrically connected to binding post II by wire, therefore, and the AC power that the upper acquisition of electrode I and electrode II analog electrostatic field tester provides.Probe on probe apparatus is by the laser instrument metallic sheath, metal beam is electrically connected to cable, cable on probe apparatus is electrically connected to the binding post I of analog electrostatic field tester, the mobile probe device can make the probe vertical water surface in tap water on probe apparatus move horizontally, semiconductor laser on probe apparatus is electrically connected to the binding post I of analog electrostatic field tester by the cable on probe apparatus, semiconductor laser gives off laser beam, laser beam and probe are on same perpendicular line, therefore, laser beam is synchronizing moving also, laser beam sees through the organic glass platform by light hole and produce laser described point place on coordinate paper, in tank in the tap water dielectric electromotive force of optional position by the probe on probe apparatus, by voltage table, measure to be shown, directly retouch out by the laser described point place on coordinate paper the position of probe, therefore, directly retouch out at the laser described point place that in tank, in the tap water dielectric, the potential point of optional position can be corresponding on coordinate paper.

The beneficial effects of the utility model are, semiconductor laser on probe apparatus is electrically connected to the binding post I of analog electrostatic field tester by the cable on probe apparatus, semiconductor laser gives off laser beam, laser beam sees through the organic glass platform by light hole and produce laser described point place on coordinate paper, in tank in the tap water dielectric electromotive force of optional position by the probe on probe apparatus, by voltage table, measure to be shown, directly retouch out by the laser described point place on coordinate paper the position of probe, thoroughly solved the not problem on same straight line of double-decker instrument middle probe and tracing point, make to describe to become directly perceived and simple, and conducting medium, electrode is easily changed and is cleaned.

The accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is structural representation of the present utility model.

Fig. 2 is analog electrostatic field tester structural representation in Fig. 1.

Fig. 3 is probe apparatus structural representation in Fig. 1.

In figure, 1, tank, 2, tap water, 3, support column, 4, organic glass platform, 5, coordinate paper, 6, electrode I, 7, electrode II, 8, laser described point place, 9, the analog electrostatic field tester, 10, probe apparatus, 11, binding post I, 12, binding post II, 13, binding post III, 14, voltage table, 15, cabinet, 16, base, 17, probe, 18, semiconductor laser, 19, light hole, 20, laser instrument metallic sheath, 21, metal beam, 22, cable.

Embodiment

In Fig. 1, fill appropriate tap water (2) dielectric in tank (1).Organic glass platform (4) is fixed with four support columns (3), electrode I (6), electrode II (7) are fixed on the appropriate location of organic glass platform (4), be placed with coordinate paper (5) on organic glass platform (4), the mobile organic glass platform (4) that is fixed with four support columns (3) can make the lower end of electrode I (6), electrode II (7) be dipped in tap water (2).Analog electrostatic field tester (9) provides AC power by the binding post II (12) in Fig. 2, binding post III (13), electrode I (6) is electrically connected to the binding post III (13) in Fig. 2 by wire, electrode II (7) is electrically connected to the binding post II (12) in Fig. 2 by wire, therefore, the AC power that electrode I (6) and electrode II (7) upper acquisition analog electrostatic field tester (9) provides.Probe (17) in Fig. 3 on probe apparatus (10) is by the laser instrument metallic sheath (20) in Fig. 3, metal beam in Fig. 3 (21) is electrically connected to the cable (22) in Fig. 3, cable (22) in Fig. 3 on probe apparatus (10) is electrically connected to the binding post I (11) in Fig. 2 of analog electrostatic field tester (9), mobile probe device (10) can make probe (17) vertical tap water (2) face in tap water (2) in the Fig. 3 on probe apparatus (10) move horizontally, semiconductor laser (18) in Fig. 3 on probe apparatus (10) is electrically connected to by the binding post I (11) in Fig. 2 of the cable (22) in Fig. 3 and analog electrostatic field tester (9), semiconductor laser in Fig. 3 (18) gives off laser beam, probe in laser beam and Fig. 3 (17) is on same perpendicular line, therefore, laser beam is synchronizing moving also, laser beam sees through organic glass platform (4) at the upper laser described point place (8) that produces of coordinate paper (5) by the light hole (19) in Fig. 3, the electromotive force of the optional position measurement of the voltage table (14) in Fig. 2 demonstration by the probe (17) in the Fig. 3 on probe apparatus (10) in tap water (2) dielectric in tank (1), directly retouch out by the laser described point place (8) on coordinate paper (5) position of the probe in Fig. 3 (17), therefore, in middle tap water (2) dielectric of tank (1), the potential point of optional position can directly be retouched out at the upper corresponding laser described point place (8) of coordinate paper (5).

Claims

1. an analog electrostatic field drawing apparatus, its water-bearing channel, tap water, support column, organic glass platform, coordinate paper, electrode I, electrode II, laser described point place, analog electrostatic field tester, probe apparatus, it is characterized in that: the organic glass platform is fixed with four support columns, electrode I, electrode II are fixed on the appropriate location of organic glass platform, be placed with coordinate paper on the organic glass platform, the mobile organic glass platform that is fixed with four support columns can make the lower end of electrode I, electrode II be dipped in tap water.

2. analog electrostatic field drawing apparatus according to claim 1, it is characterized in that: the semiconductor laser on probe apparatus is electrically connected to the binding post I of analog electrostatic field tester by the cable on probe apparatus, semiconductor laser gives off laser beam, laser beam and probe are on same perpendicular line, therefore, laser beam is synchronizing moving also, laser beam sees through the organic glass platform by light hole and produce laser described point place on coordinate paper, in tank in the tap water dielectric electromotive force of optional position by the probe on probe apparatus, by voltage table, measure to be shown, directly retouch out by the laser described point place on coordinate paper the position of probe.