CN209461009U - A kind of portable electrostatic spin demonstrator for teaching - Google Patents
A kind of portable electrostatic spin demonstrator for teaching Download PDFInfo
- Publication number
- CN209461009U CN209461009U CN201822111179.4U CN201822111179U CN209461009U CN 209461009 U CN209461009 U CN 209461009U CN 201822111179 U CN201822111179 U CN 201822111179U CN 209461009 U CN209461009 U CN 209461009U
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- demonstrator
- support frame
- lifting support
- bead
- electrostatic
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Abstract
The utility model relates to teaching experimental equipment technical fields, it is a kind of portable electrostatic spin demonstrator for teaching, storage box including being equipped with idler wheel, U-shaped fixed plate, lifting support frame, electrostatic spin demonstrator, U-shaped connecting plate, telescopic device, handle, telescopic device includes setting internal thread sleeve, equipped with externally threaded screw rod, electrostatic spin demonstrator includes shell, insulate hemisphere face, high-field electrode anode, high-field electrode cathode, insulator foot, there is the bead of conductive layer in outside, plug wire mouth, switch, voltage adjusting panel, electrostatic ball demonstrator is adjusted to when use by handle rotation screw rod the height of suitable student viewing, bead is placed in insulation hemisphere face, pass through plug wire mouth external high voltage power supply, it turns on the switch, bead electrification, bead starts in insulation ball in-plane moving under electric field force effect , the utility model efficiently solves the problems, such as in existing teaching to give lessons about electrostatic field theory, and middle explanation is abstract, convincingness is not strong.
Description
Technical field
The utility model relates to teaching experimental equipment technical fields, are a kind of portable electrostatic spin demonstrations for teaching
Instrument.
Background technique
Electric field has a strong effect charge in field, and can do work to it, this is the basic concept of electrostatic field theory, and existing
The theoretical foundation that electrostatic accelerator accelerates elementary particle in generation technique, but since the theoretical electric field being related to is invisible, charge is micro-
Object is seen, so that theoretical abstraction, it is difficult to understand and verify.
The instrument clear field distribution region of tangible electrode and the direction of the utility model design, with the table tennis for being coated with conductive layer
Pang ball replaces microcosmic charged particle, with the size of the height demonstration table tennis kinetic energy of table tennis plane of movement in hemisphere face, leads to
The basic theories of electric field is annotated in the movement for crossing observation table tennis, annotates the basic principle of electrostatic accelerator in modern technologies.This instrument
Device can be used in middle school, course of University Physics one's parents, and effect shakes, and convincingness is strong, with deep impression, has filled up in teaching demonstration
Blank, in addition to this due to.
Summary of the invention
The utility model provides a kind of portable electrostatic spin demonstrator for teaching, which overcome above have technology it
Deficiency, efficiently solving the problems, such as in existing teaching to give lessons about electrostatic field theory, middle explanation is abstract, convincingness is not strong.
The utility model is realized by following technical measures:
A kind of portable electrostatic spin demonstrator for teaching, including the storage box equipped with idler wheel, U-shaped fixation
Plate, lifting support frame, electrostatic spin demonstrator, U-shaped connecting plate, telescopic device, handle, the lifting support frame pass through fixed plate
It is fixedly mounted in the middle part of storage box bottom surface, the lifting support frame lower end and fixed plate are articulated and connected, the fixed peace of the connecting plate
On electrostatic spin demonstrator, the connecting plate is connected by fixed plate with lifting support frame upper end, the lifting support
The articulated connection of frame upper end fixed plate, in lifting support frame lower part, the telescopic device includes in being equipped with for the telescopic device setting
The sleeve of screw thread is equipped with externally threaded screw rod, and the sleeve left end is connected with lifting support frame lower left side, and the screw rod is left
End can spinning in and out be connected in sleeve right end, the screw rod right end is connected and extends with lifting support frame lower part right side
Lifting support frame right hand external, the handle are fixedly connected with screw rod right end, and the electrostatic spin demonstrator includes shell, insulation
Hemisphere face, high-field electrode anode, high-field electrode cathode, insulator foot, external bead, plug wire mouth, the switch, electricity for being equipped with conductive layer
Adjusting panel is pressed, inside housings, the high-field electrode anode, high-field electrode cathode uniformly interlock for the insulation hemisphere face setting
On insulation hemisphere face, the insulator foot is placed on the hemispherical middle part of insulation for setting, and the bead is placed on insulation hemisphere
Inside face, the plug wire mouth setting exists in shell side, the switch setting in shell side, the voltage adjusting panel setting
Shell side, the high-field electrode anode, high-field electrode cathode, switch, voltage adjusting panel are electrically connected with plug wire mouth.
Here is the further optimization and/or improvement to above-mentioned utility model technical solution:
Preferably, the insulation hemisphere is looked unfamiliar equipped with track graduation mark.
Preferably, the housing side is additionally provided with strip through-hole.
Preferably, the shell is made of transparent plastics material.
The utility model reasonable and compact in structure rotates screw rod by handle when use and is adjusted to close by electrostatic ball demonstrator
Bead is placed in insulation hemisphere face, by plug wire mouth external high voltage power supply, turns on the switch by the height of suitable student viewing, small
Spherical zone electricity marches on towards nearest electrode (such as anode) under electric field force effect, takes at electrode and electrode the same symbol
Charge (+q), simultaneously as homocharge is repelled each other, heterocharge is attracting and the effect of inertia, and " metal spherical shell " will accelerate
Adjacent electrode (cathode) is marched on towards, at next electrode, is neutralised on bead with the charge (+q) of the electrode contrary sign, and again
The charge (- q) with the electrode the same symbol is taken, similarly, the bead after charging again can march on towards next adjacent electrode (just again
Pole), and so on, " bead will be constantly accelerated under the action of electric field force, so that kinetic energy is increasing, be adjusted by voltage
The size of panel adjustment voltage continues to observe the motion state of the bead under different voltages, more intuitive image, is giving lessons or real
It tests after completion, lifting support frame is fallen by handle and stores electrostatic ball demonstrator into storage box, transport and placement side
Just quick, avoid part from losing and damage, the utility model, which efficiently solves in existing teaching, gives lessons about electrostatic field theory
The problem that explanation is abstract, convincingness is not strong.
Detailed description of the invention
Attached drawing 1 is first schematic perspective view of the utility model.
Attached drawing 2 is second schematic perspective view of the utility model.
Attached drawing 3 is the overlooking structure diagram of electrostatic spin demonstrator in attached drawing 1.
Attached drawing 4 is the present invention looks up structural representation of electrostatic spin demonstrator in attached drawing 1.
Attached drawing 5 is telescopic device the schematic diagram of the section structure in attached drawing 1,
Coding in attached drawing is respectively as follows: 1 for idler wheel, and 2 be storage box, and 3 be fixed plate, and 4 be lifting support frame, and 5 be electrostatic
Spin demonstrator, 6 be connecting plate, and 7 be telescopic device, and 8 be handle, and 9 be internal screw thread, and 10 be sleeve, and 11 be external screw thread, and 12 be spiral shell
Bar, 13 be shell, and 14 be insulation hemisphere face, and 15 be high-field electrode anode, and 16 be high-field electrode cathode, and 17 be insulator foot, 18
It is plug wire mouth for bead, 19,20 be switch, and 21 be voltage adjusting panel, and 22 be track graduation mark, and 23 be strip through-hole.
Specific embodiment
The utility model is not limited by the following example, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode row of attached drawing 1 is retouched into stating, as: front, rear, top, and bottom, left and right positional relationship be according to Figure of description 1
Butut direction determines.
The utility model is further described below with reference to examples and drawings:
As shown in Fig. 1,2,3,4,5, a kind of portable electrostatic spin demonstrator for teaching, including being equipped with idler wheel 1
Storage box 2, U-shaped fixed plate 3, lifting support frame 4, electrostatic spin demonstrator 5, U-shaped connecting plate 6, telescopic device 7, handle
8, the lifting support frame 4 is fixedly mounted in the middle part of 2 bottom surface of storage box by fixed plate 3,4 lower end of lifting support frame and solid
Fixed board 3 is articulated and connected, and the connecting plate 6 is fixedly mounted on electrostatic spin demonstrator 5, the connecting plate 6 by fixed plate 3 with
4 upper end of lifting support frame is connected, and 4 upper end fixed plate 3 of the lifting support frame articulated connection, the setting of telescopic device 7 exists
4 lower part of lifting support frame, the telescopic device 7 include sleeve 10, the screw rod 12 equipped with external screw thread 11 equipped with internal screw thread 9, institute
10 left end of sleeve is stated to be connected with 4 lower left side of lifting support frame, 12 left end of screw rod can spinning in and out it is right in sleeve 10
End is connected, and is connected on the right side of 12 right end of screw rod and 4 lower part of lifting support frame and extends outside 4 right side of lifting support frame
Portion, the handle 8 are fixedly connected with 12 right end of screw rod, the electrostatic spin demonstrate 5 instrument include shell 13, insulation hemisphere face 14,
High-field electrode anode 15, high-field electrode cathode 16, insulator foot 17, outside have the surface of conductive layer to be coated with the small of conductive layer
Ball 18, plug wire mouth 19, switch 20, voltage adjusting panel 21, the insulation hemisphere face 14 are arranged inside shell 13, the high pressure
Electrode anode 15, high-field electrode cathode 16 are uniformly staggered on insulation hemisphere face 14, and the insulator foot 17 is placed on absolutely
The middle part of edge hemisphere face 14, the bead 18 are placed on inside insulation hemisphere face 14, and the plug wire mouth 19 is arranged in shell 13 1
Side, in 13 side of shell, the voltage adjusting panel 21 is arranged in 13 side of shell, the high-field electrode for the setting of switch 20
Anode 15, high-field electrode cathode 16, switch 20, voltage adjusting panel 21 are electrically connected with plug wire mouth 19.
The utility model reasonable and compact in structure rotates screw rod 12 by handle 8 when use and adjusts electrostatic ball demonstrator 5
To the height of suitable student viewing, bead 18 is placed in insulation hemisphere face 14, by 19 external high voltage power supply of plug wire mouth, is beaten
Switch 20, bead 18 charge, and march on towards nearest electrode (such as anode) under electric field force effect, taken at electrode with
The charge (+q) of electrode the same symbol, simultaneously as homocharge is repelled each other, heterocharge is attracting and the effect of inertia, " metal
Acceleration is marched on towards adjacent electrode (cathode) by spherical shell ", and at next electrode, surface is coated on the bead of conductive layer different with the electrode
Number charge (+q) be neutralised, and take the charge (- q) with the electrode the same symbol again, similarly, the table after charging again
The bead that face is coated with conductive layer can march on towards next adjacent electrode (anode) again, and and so on, " surface is coated with the bead of conductive layer
18 will be constantly accelerated under the action of electric field force, so that kinetic energy is increasing, adjust voltage by voltage adjusting panel 21
Size, which continues to observe, is coated with the motion state of the bead of conductive layer in different voltages lower surface, more intuitive image, giving lessons or
After experiment is completed, lifting support frame 4 is fallen the storage of electrostatic ball demonstrator 5 into storage box 2 by handle, transports and puts
Set it is convenient and efficient, avoid part lose and damage, the utility model, which efficiently solves, to be awarded in existing teaching about electrostatic field theory
Problem abstract, that convincingness is not strong is explained in class.
It can be further excellent to a kind of above-mentioned portable electrostatic spin demonstrator progress for teaching according to actual needs
Change or/and improve:
As shown in Figure 1,2,3, 4, the insulation hemisphere face 14 is raw is equipped with track graduation mark 22.According to actual needs, here
It is to be coated with to lead according to the size observation surface that voltage adjusting panel 21 adjusts voltage in order to facilitate student that track graduation mark 22, which is arranged,
The position of insulation 14 inner orbit graduation mark 22 of hemisphere face where the bead 18 of electric layer.
As shown in Figure 1,2,3, 4,13 side of shell is additionally provided with strip through-hole 23.According to actual needs, it is arranged here
Strip through-hole 23 is to hold mobile the utility model for the convenience of the users.
As shown in Figure 1,2,3, 4, the shell 13 is made of transparent plastics material.
The above technical characteristic constitutes the optimal embodiment of the utility model, with stronger adaptability and optimal reality
Effect is applied, non-essential technical characteristic can be increased or decreased, according to actual needs to meet the needs of different.
Claims (4)
1. a kind of portable electrostatic spin demonstrator for teaching, which is characterized in that including being equipped with the storage box of idler wheel, being in U
The fixed plate of type, lifting support frame, electrostatic spin demonstrator, U-shaped connecting plate, telescopic device, handle, the lifting support frame are logical
It crosses fixed plate to be fixedly mounted in the middle part of storage box bottom surface, the lifting support frame lower end and fixed plate are articulated and connected, the connection
Plate is fixedly mounted on electrostatic spin demonstrator, and the connecting plate is connected by fixed plate with lifting support frame upper end, described
The articulated connection of lifting support frame upper end fixed plate, the telescopic device are arranged in lifting support frame lower part, the telescopic device packet
It includes and sets internal thread sleeve, is equipped with externally threaded screw rod, the sleeve left end is connected with lifting support frame lower left side, institute
State screw rod left end can spinning in and out be connected in sleeve right end, be connected on the right side of the screw rod right end and lifting support frame lower part
And extending lifting support frame right hand external, the handle is fixedly connected with screw rod right end, and the electrostatic spin demonstrator includes
Shell, high-field electrode anode, high-field electrode cathode, insulator foot, the external bead for having conductive layer, is inserted insulation hemisphere face
Line mouth, switch, voltage adjusting panel, the insulation hemisphere face are arranged inside housings, the high-field electrode anode, high-field electrode
Cathode is uniformly staggered on insulation hemisphere face, and the insulator foot is placed on the hemispherical middle part of insulation, and the bead is put
It sets inside insulation hemisphere face, in shell side, the switch is arranged in shell side, the voltage tune for the plug wire mouth setting
The setting of nodal section plate is in shell side, and the high-field electrode anode, high-field electrode cathode, switch, voltage adjusting panel are and plug wire
Mouth electrical connection.
2. a kind of portable electrostatic spin demonstrator for teaching according to claim 1, which is characterized in that described exhausted
Edge hemisphere is looked unfamiliar equipped with track graduation mark.
3. a kind of portable electrostatic spin demonstrator for teaching according to claim 2, which is characterized in that the shell
Body side surface is additionally provided with strip through-hole.
4. a kind of portable electrostatic spin demonstrator for teaching according to claim 3, which is characterized in that the shell
Body is made of transparent plastics material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822111179.4U CN209461009U (en) | 2018-12-17 | 2018-12-17 | A kind of portable electrostatic spin demonstrator for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822111179.4U CN209461009U (en) | 2018-12-17 | 2018-12-17 | A kind of portable electrostatic spin demonstrator for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209461009U true CN209461009U (en) | 2019-10-01 |
Family
ID=68040889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822111179.4U Active CN209461009U (en) | 2018-12-17 | 2018-12-17 | A kind of portable electrostatic spin demonstrator for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209461009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112188721A (en) * | 2020-09-22 | 2021-01-05 | 合肥磐石自动化科技有限公司 | Electrostatic cyclotron |
-
2018
- 2018-12-17 CN CN201822111179.4U patent/CN209461009U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112188721A (en) * | 2020-09-22 | 2021-01-05 | 合肥磐石自动化科技有限公司 | Electrostatic cyclotron |
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