CN205302785U - Simulation electrostatic field plotter - Google Patents

Abstract

The utility model provides a simulation electrostatic field plotter mainly is applied to big, the physics experiment of special secondary school universities and colleges, contains simulation electrostatic field plotter, electric connecting wire I, electric connecting wire II, probe, electrode I, basin, water, terminal I, terminal II, electrode II, sits label, base, some laser instrument, slide bar, guide rail, electric connecting wire IV, slider, electric connecting wire III, terminal III. Simulation electrostatic field experiment appearance provides alternating current power supply to electrode I and electrode II, the current potential of optional position passes through the probe by voltmeter measurement demonstration in the basin normal water dielectric, the perpendicular photograph on sitting label of laser beam that the some laser instrument sent, the laser beam synchronous motion that the moving band moving point laser instrument of probe sent, the position of probe is through sitting indirect the retouching out of laser scanning point department on the label, the not problem on same straight line of probe and tracing point has thoroughly been solved in the bilayer structure instrument, the messenger depicts and becomes directly perceived and simple, and conducting medium, the electrode is easy to be changed and washs.

Description

A kind of analog electrostatic field drawing apparatus

Technical field

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

Background technology

Electric field can describe by the spatial distribution of electric field intensity and current potential, under general clear condition, mathematically solve electrostatic field more complicated and difficult, often by means of experiment measurement, and the distribution of directly measuring electrostatic field is highly difficult, for this, the method for conventional steady high voltage system analog electrostatic field measures electrostatic field indirectly, and this kind of experimental technique is " simulation method ". 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 also exist clearly disadvantageous: steady high voltage system and plotting board are upper and lower two-layer, its probe and description pen are separately fixed on upper and lower two shell fragments, and during description, probe and tracing point are difficult to bring bigger error on the same line; It addition, apparatus structure is complicated, complex operation, especially during tap water conducting medium, not easily change conducting medium and electrode.

Summary of the invention

In order to solve the deficiency of existing analog electrostatic field drawing apparatus, this utility model provides a kind of novel analog electrostatic field scanner, this analog electrostatic field drawing apparatus not only solves probe and describes the not concentricity problem of pen, make description become directly perceived and simple, and conducting medium, electrode are readily replaceable and clean.

This utility model solves its technical problem and be the technical scheme is that it is containing analog electrostatic field drawing apparatus, electric connection line, electric connection line, probe, electrode, tank, water, binding post, binding post, electrode, graph paper, base, dot laser, sliding bar, guide rail, electric connection line, slide block, electric connection line, binding post. Analog electrostatic field experiment instrument is containing cabinet, voltmeter, binding post, binding post, binding post, binding post. On instrument base, centre position is equipped with guide rail, and the both sides of guide rail are placed with tank and graph paper.Tank fills appropriate water power medium, and equipped with electrode, electrode, electrodeBy wire and binding postElectrical connection, electrodeBy wire and binding postElectrical connection. Slide block can have binding post on slide on rails, slide block, sliding bar can slide in slide block, and one end of sliding bar is equipped with probe, and the other end is equipped with dot laser, and probe, slide block are the good conductor of electricity, and probe is by sliding bar, slide block and binding postElectrical connection. Analog electrostatic field experiment instrument passes through binding post, binding postAlternating current power supply, electrode are providedBy wire and binding post, electric connection lineWith binding postElectrical connection, electrodeBy wire and binding post, electric connection lineWith binding postElectrical connection, therefore, electrodeAnd electrodeThe alternating current power supply that upper acquisition analog electrostatic field experiment instrument provides, probe passes through sliding bar, slide block, binding post, electric connection lineWith binding postElectrical connection, in tank, in water power medium, the electromotive force of optional position is measured display by probe by voltmeter, and dot laser passes through electric connection lineBinding post with analog electrostatic field experiment instrumentElectrical connection, dot laser gives off laser beam, laser beam vertically impinges upon on graph paper, the laser beam synchronizing moving that the mobile drive dot laser of probe sends, therefore, by voltmeter, the electromotive force of optional position in water power medium in tank can being measured display by probe by sliding slider and sliding bar, the position of probe is described indirectly by the laser described point place on graph paper. The beneficial effects of the utility model are, analog electrostatic field experiment instrument passes through binding post, binding postAlternating current power supply, electrode are providedBy wire and binding post, electric connection lineWith binding postElectrical connection, electrodeBy wire and binding post, electric connection lineWith binding postElectrical connection, therefore, electrodeAnd electrodeThe alternating current power supply that upper acquisition analog electrostatic field experiment instrument provides, probe passes through sliding bar, slide block, binding post, electric connection lineWith binding postElectrical connection, in tank, in water power medium, the electromotive force of optional position is measured display by probe by voltmeter, and dot laser passes through electric connection lineBinding post with analog electrostatic field experiment instrumentElectrical connection, dot laser gives off laser beam, laser beam vertically impinges upon on graph paper, the laser beam synchronizing moving that the mobile drive dot laser of probe sends, therefore, the electromotive force of optional position in water power medium in tank can be measured display by probe by voltmeter by sliding slider and sliding bar, the position of probe is described indirectly by the laser described point place on graph paper, thoroughly solve double-decker instrument middle probe and tracing point not problem on the same line, make description become directly perceived and simple, and conducting medium, electrode are readily replaceable and clean.

Accompanying drawing explanation

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

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

Fig. 2 is analog electrostatic field experiment instrument structural representation in Fig. 1.

In figure, 1, analog electrostatic field drawing apparatus, 2, electric connection line, 3, electric connection line, 4, probe, 5, electrode, 6, tank, 7, water, 8, binding post, 9, binding post, 10, electrode, 11, graph paper, 12, base, 13, dot laser, 14, sliding bar, 15, guide rail, 16, electric connection line, 17, slide block, 18, electric connection line, 19, binding post, 20, cabinet, 21, voltmeter, 22, binding post, 23, binding post, 24, binding post, 25, binding post��

Detailed description of the invention

In FIG, the upper centre position of instrument base (12) is equipped with guide rail (15), and the both sides of guide rail (15) are placed with tank (6) and graph paper (11).Tank (6) fills appropriate water (7) electrolyte, and equipped with electrode(5), electrode(10), electrode(5) by wire and binding post(8) electrical connection, electrode(10) by wire and binding post(9) electrical connection. Slide block (17) can in the upper slip of guide rail (15), and slide block has binding post on (17)(19), sliding bar (14) can slide in slide block (17), one end of sliding bar (14) is equipped with probe (4), the other end is equipped with dot laser (13), probe (4), slide block (17) are the good conductor of electricity, and probe (4) is by sliding bar (14), slide block (17) and binding post(19) electrical connection. Analog electrostatic field experiment instrument (1) is by the binding post in Fig. 2(22), binding post(23) alternating current power supply, electrode are provided(5) by wire and binding post(8), electric connection line(3) with the binding post in Fig. 2(23) electrical connection, electrode(10) by wire and binding post(9), electric connection line(2) with the binding post in Fig. 2(22) electrical connection, therefore, electrodeAnd electrode (5)(10) alternating current power supply that upper acquisition analog electrostatic field experiment instrument (1) provides, probe (4) is by sliding bar (14), slide block (17), binding post(19), electric connection line(18) with the binding post in Fig. 2(24) electrical connection, in tank (6), in water (7) electrolyte, the electromotive force of optional position is measured display by probe (4) by the voltmeter (21) in Fig. 2, and dot laser (13) passes through electric connection line(16) with the binding post in Fig. 2 of analog electrostatic field experiment instrument (1)(25) electrical connection, dot laser (13) gives off laser beam, laser beam vertically impinges upon on graph paper (11), the laser beam synchronizing moving that the mobile drive dot laser (13) of probe (4) sends, therefore, by the voltmeter (21) in Fig. 2, the electromotive force of optional position in water (7) electrolyte in tank (6) can being measured display by probe (4) by sliding slider (17) and sliding bar (14), the position of probe (4) is described indirectly by the laser described point place on graph paper (11).

Claims (1)

1. an analog electrostatic field drawing apparatus, it is containing analog electrostatic field drawing apparatus, electric connection line I, electric connection line II, probe, electrode I, tank, water, binding post I, binding post II, electrode II, graph paper, base, dot laser, sliding bar, guide rail, electric connection line IV, slide block, electric connection line III, binding post III, analog electrostatic field experiment instrument is containing cabinet, voltmeter, binding post IV, binding post V, binding post VI, binding post VII, it is characterized in that: probe passes through sliding bar, slide block, binding post III, electric connection line III electrically connects with binding post VI, in tank, in water power medium, the electromotive force of optional position is measured display by probe by voltmeter, dot laser is electrically connected with the binding post VII of analog electrostatic field experiment instrument by electric connection line IV, dot laser gives off laser beam, laser beam vertically impinges upon on graph paper, the laser beam synchronizing moving that the mobile drive dot laser of probe sends.