CN203858798U - Electrostatic induction demonstration instrument - Google Patents
Electrostatic induction demonstration instrument Download PDFInfo
- Publication number
- CN203858798U CN203858798U CN201420302389.0U CN201420302389U CN203858798U CN 203858798 U CN203858798 U CN 203858798U CN 201420302389 U CN201420302389 U CN 201420302389U CN 203858798 U CN203858798 U CN 203858798U
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- CN
- China
- Prior art keywords
- electrostatic induction
- metal ball
- becket
- utility
- electrodes
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Abstract
The utility model discloses an electrostatic induction demonstration instrument. The electrostatic induction demonstration instrument comprises a base (1), a bottom plate (2) and an electrostatic induction generator (3), wherein the base comprises an upper housing (1.1) and a lower housing (1.2), the bottom plate is arranged on the upper housing, and the electrostatic induction generator is mounted on the bottom plate; the electrostatic induction generator comprises an encloser (3.1), a metal ring (3.2) and a metal ball (3.3), the metal ring (3.2) and the metal ball (3.3) are positioned at the bottom of the encloser (3.1), the metal ball (3.3) is positioned in the middle of the metal ring (3.2), and an electrically neutral spherical conductor is positioned between the metal ball (3.3) and the metal ring (3.2); two electrodes (4) are arranged on the upper housing (1.1), and the two electrodes (4) are respectively and electrically connected with the metal ring (3.2) and the metal ball (3.3). According to the electrostatic induction demonstration instrument, the electrostatic induction phenomenon can be observed by observing the movement of the electrically neutral spherical conductor in the electric field, and the electrostatic induction phenomenon can be observed and demonstrated visually.
Description
Technical field
The utility model relates to teaching aid field, is more particularly a kind of electrostatic induction demonstrator of the use of imparting knowledge to students.
Background technology
A charged object and uncharged conductor mutually near time due to the interaction between electric charge, can make the electric charge redistribution of conductor inside, xenogenesis electric charge attracted near electrified body, and like charges is ostracised away from the conductor other end of electrified body, this phenomenon electrostatic induction.Above-mentioned electrostatic induction, as a kind of scientific phenomena, is difficult to directly find out by naked eyes the motion of electric charge.Because electrostatic induction can produce gravitation or repulsion, i.e. electrostatic induction meeting changes the mechanical balance of object, thereby makes uncharged conductor motion, thereby can observe electrostatic induction phenomenon by the motion of energized conductor in electric field not.In prior art, also there is no to carry out electrostatic induction the instrument of teaching demonstration, cannot allow student observe intuitively and learn electrostatic induction phenomenon.
Utility model content
In view of this, the object of the utility model is to provide a kind of electrostatic induction demonstrator, to solve the existing technical matters that cannot carry out to electrostatic induction phenomenon ocular demonstration of above-mentioned prior art.
Technical solution of the present utility model is, a kind of electrostatic induction demonstrator of following structure is provided, comprise base, base plate and electrostatic induction generator, described base comprises upper shell and lower house, base plate is arranged on upper shell, described electrostatic induction generator is installed on base plate, described electrostatic induction generator comprises case, becket and Metal Ball, described becket and Metal Ball are all positioned at the bottom of case, Metal Ball is positioned at becket centre position, and places not charged spheric conductor between Metal Ball and becket.
Adopt above structure, the utility model compared with prior art, have the following advantages: adopt the utility model, Metal Ball is fixed on becket centre position, passes into xenogenesis electricity to becket and Metal Ball, makes it respectively with xenogenesis electric charge, the not charged spheric conductor being placed between the two is subject to electrostatic induction, electric charge in not charged spheric conductor is redistributed, thereby breaks its mechanical balance, between becket and Metal Ball, rolls; The utility model can be observed its electrostatic induction phenomenon by observing the motion of not charged spheric conductor in electric field, can observe intuitively and demonstrate electrostatic induction phenomenon, contributes to learner to learn and understands.
As improvement, described upper shell is provided with two electrodes, and by power supply, to electrode power supply, two described electrodes are electrically connected with becket and Metal Ball respectively; Thereby make becket and metal spherical zone xenogenesis electric charge.
As improvement, described case is hollow tube-shape structure, and is made up of transparent material.Like this, both can match with becket, and be convenient to again observe simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model electrostatic induction demonstrator.
Shown in figure: 1, base, 1.1, upper shell, 1.2, lower house, 2, base plate, 3, electrostatic induction generator, 3.1, case, 3.2, becket, 3.3, Metal Ball, 4, electrode.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but the present invention is not restricted to these embodiment.
The present invention contain any in marrow of the present utility model and scope, make substitute, amendment, equivalent method and scheme.In order to make the public that the utility model is had thoroughly and be understood, in following the utility model preferred embodiment, describe concrete details in detail, and do not have for a person skilled in the art the description of these details also can understand the utility model completely.
As shown in Figure 1, electrostatic induction demonstrator of the present utility model, comprise base 1, base plate 2 and electrostatic induction generator 3, described base comprises upper shell 1.1 and lower house 1.2, base plate is arranged on upper shell, described electrostatic induction generator is installed on base plate, described electrostatic induction generator comprises case 3.1, becket 3.2 and Metal Ball 3.3, described becket 3.2 and Metal Ball 3.3 are all positioned at the bottom of case 3.1, Metal Ball 3.3 is positioned at becket 3.2 centre positions, and places not charged spheric conductor between Metal Ball 3.3 and becket 3.2.Because sight line such as blocks at the reason, not charged spheric conductor is signal in the drawings not, but those of ordinary skill in the art know the relevant means that realize.
Described upper shell 1.1 is provided with two electrodes 4, powers to electrode 4 by power supply, and two described electrodes 4 are electrically connected with becket 3.2 and Metal Ball 3.3 respectively.Described electrode can be arranged to slot shape, by patch, it is connected with becket and Metal Ball.
Described case 3.1 is hollow tube-shape structure, and is made up of transparent material; For example, adopt acrylic material to make.
When application the utility model, adopt following steps to carry out:
1. demonstrator is placed in horizontal table top;
2. power supply is given two electrode power supplies, two electrodes are electricity not of the same race, two electrodes pass into xenogenesis electricity to becket and Metal Ball simultaneously, make it respectively with xenogenesis electric charge, the not charged spheric conductor being placed between the two is subject to electrostatic induction, electric charge in not charged spheric conductor is redistributed, thereby breaks its mechanical balance, between becket and Metal Ball, rolls;
3. observe the not motion conditions of charged spheric conductor, and analyze the reason that produces motion.
Below be only described with regard to the utility model preferred embodiment, but can not be interpreted as it is limitations on claims.The utility model is not only confined to above embodiment, and its concrete structure allows to change.In a word, all various variations of doing in the protection domain of the utility model independent claims are all in protection domain of the present utility model.
Claims (3)
1. an electrostatic induction demonstrator, comprise base (1), base plate (2) and electrostatic induction generator (3), described base comprises upper shell (1.1) and lower house (1.2), base plate is arranged on upper shell, it is characterized in that: described electrostatic induction generator is installed on base plate, described electrostatic induction generator comprises case (3.1), becket (3.2) and Metal Ball (3.3), described becket (3.2) and Metal Ball (3.3) are all positioned at the bottom of case (3.1), Metal Ball (3.3) is positioned at becket (3.2) centre position, and between Metal Ball (3.3) and becket (3.2) place not charged spheric conductor.
2. electrostatic induction demonstrator according to claim 1, it is characterized in that: described upper shell (1.1) is provided with two electrodes (4), by power supply, to electrode (4) power supply, described two electrodes (4) are electrically connected with becket (3.2) and Metal Ball (3.3) respectively.
3. electrostatic induction demonstrator according to claim 1 and 2, is characterized in that: described case (3.1) is hollow tube-shape structure, and is made up of transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420302389.0U CN203858798U (en) | 2014-06-09 | 2014-06-09 | Electrostatic induction demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420302389.0U CN203858798U (en) | 2014-06-09 | 2014-06-09 | Electrostatic induction demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203858798U true CN203858798U (en) | 2014-10-01 |
Family
ID=51608640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420302389.0U Expired - Fee Related CN203858798U (en) | 2014-06-09 | 2014-06-09 | Electrostatic induction demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203858798U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104978889A (en) * | 2015-06-18 | 2015-10-14 | 张万广 | Wrapped electrified ball |
| CN105070160A (en) * | 2015-08-22 | 2015-11-18 | 齐齐哈尔大学 | Electrostatic power machine experimental instrument |
| CN105070161A (en) * | 2015-08-22 | 2015-11-18 | 齐齐哈尔大学 | Electrostatic power machine |
-
2014
- 2014-06-09 CN CN201420302389.0U patent/CN203858798U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104978889A (en) * | 2015-06-18 | 2015-10-14 | 张万广 | Wrapped electrified ball |
| CN105070160A (en) * | 2015-08-22 | 2015-11-18 | 齐齐哈尔大学 | Electrostatic power machine experimental instrument |
| CN105070161A (en) * | 2015-08-22 | 2015-11-18 | 齐齐哈尔大学 | Electrostatic power machine |
| CN105070160B (en) * | 2015-08-22 | 2017-09-15 | 齐齐哈尔大学 | A kind of electrostatic power machine experiment instrument |
| CN105070161B (en) * | 2015-08-22 | 2017-09-15 | 齐齐哈尔大学 | A kind of electrostatic power machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20180609 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |