CN215987757U - Electrostatic generation experimental device - Google Patents
Electrostatic generation experimental device Download PDFInfo
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- CN215987757U CN215987757U CN202121331361.6U CN202121331361U CN215987757U CN 215987757 U CN215987757 U CN 215987757U CN 202121331361 U CN202121331361 U CN 202121331361U CN 215987757 U CN215987757 U CN 215987757U
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- static
- static electricity
- electrostatic
- shell
- display
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- 230000003068 static effect Effects 0.000 claims abstract description 75
- 230000005611 electricity Effects 0.000 claims abstract description 34
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000005684 electric field Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Elimination Of Static Electricity (AREA)
Abstract
The utility model belongs to the technical field of demonstration teaching aids, and particularly discloses an electrostatic generation experimental device which comprises a shell, wherein the shell comprises an operation panel and a display panel, an electrostatic rod, an electrometer and a button switch are fixedly arranged on the operation panel, an observation window, a display and a power switch are fixedly arranged on the display panel, and a power supply plug pin is further arranged at the bottom of the shell; the inside static generator, battery and earth leakage protection circuit that are provided with of casing, the inside static point that releases that is provided with of observation window. The static electricity demonstration device can demonstrate the phenomenon of spark generated when static electricity occurs through the static electricity discharge circuit, can visually express the static electricity on the electrometer through the static electricity demonstration circuit, and can more visually demonstrate the static electricity occurrence, so that students can conveniently watch and understand the static electricity during teaching demonstration.
Description
Technical Field
The utility model belongs to the technical field of demonstration teaching aids, and particularly relates to an electrostatic generation experimental device.
Background
Electrostatic field refers to the electric field observed by an observer when the charge is relatively static. It is a special form of matter existing in the space around the charge, and its essential feature is its powerful effect on the static charge placed in it. Coulomb's law describes this force. When an electrically charged object approaches another conductor, the charge distribution of the two conductors changes significantly, which is called electrostatic induction in physics. When the balance is achieved, the field intensity inside the conductor is zero everywhere, the conductor is an equipotential body, the surface of the conductor is an equipotential surface, induced charges are distributed on the outer surface of the conductor, and the electric field direction of the surface of the conductor is perpendicular to the surface of the conductor everywhere. The phenomenon of electrostatic induction has some applications, but can also be harmful.
In modern textbooks, there are various statements about the generation of static electricity, wherein when wearing acrylic clothes and taking off clothes made of the material, static spark is generated and the material rubs against each other, such as hair and plastic, the static electricity is also generated.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide an experimental apparatus for generating static electricity.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defect that static electricity generation cannot be visually seen in the prior art, and provides an experimental device for static electricity generation.
The utility model provides an electrostatic generation experimental device, which comprises a shell 1, wherein the shell comprises an operation panel and a display panel, the operation panel is fixedly provided with an electrostatic rod 3, an electrometer 5 and a button toggle switch 4, the display panel is fixedly provided with an observation window 6, a display 2 and a power switch 8, and the bottom of the shell 1 is also provided with a power plug 7; an electrostatic generator 13, a storage battery 14 and an electric leakage protection circuit 9 are arranged in the shell 1, and an electrostatic discharge point 12 is arranged in the observation window 6; the power supply plug 7, the power switch 8, the leakage protection circuit 9, the storage battery 14, the electrostatic generator 13, the toggle switch 11 and the electrostatic discharge point 12 are electrically connected to form an electrostatic discharge loop for demonstrating electrostatic sparks; the power plug 7, the power switch 8, the leakage protection circuit 9, the storage battery 14, the static generator 13, the button switch 11, the static bar 3 and the electrometer 5 are electrically connected to form a static demonstration loop for demonstrating static readings.
In a further aspect, the housing 1 is further provided with a charging plug 10 electrically connected to the power switch 8 for charging the display 2.
In a further aspect, the display 2 is a touchable display screen.
The further proposal is that the surface of the static bar 3 is provided with an insulating sleeve.
The further scheme is that the shell 1 is of a stainless steel structure.
The further scheme is that the operation panel and the display panel are detachably connected with the shell 1.
The further proposal is that the observation window 6 is of a toughened glass structure.
In a further scheme, the electrometer 5 is provided with a positive terminal and a negative terminal.
Further, the electrostatic rod 3 includes a positive electrode electrostatic rod and a negative electrode electrostatic rod.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the static electricity demonstration device can demonstrate the phenomenon of spark generated when static electricity occurs through the static electricity discharge circuit, can visually express the static electricity on the electrometer through the static electricity demonstration circuit, and can more visually demonstrate the static electricity occurrence, so that students can conveniently watch and understand the static electricity during teaching demonstration.
(2) The display provided by the utility model can play exemplary videos about the static electricity generation process, the application of the static electricity, potential safety hazards and the like, so that the understanding of students on the static electricity is deepened.
(3) The utility model realizes the control of the electrostatic discharge loop and the electrostatic demonstration loop through the button power supply, has simple structure and is convenient to operate.
Drawings
The utility model is illustrated and described only by way of example and not by way of limitation in the scope of the utility model as set forth in the following drawings, in which:
FIG. 1: the utility model has a schematic structure;
FIG. 2: the internal circuit of the utility model is connected with the schematic diagram;
in the figure: the device comprises a shell 1, a display 2, an electrostatic rod 3, a toggle switch 4 buttons, an electrometer 5, an observation window 6, a power supply plug 7, a power supply switch 8, a leakage protection circuit 9, a charging plug 10, a toggle switch 11, an electrostatic discharge point 12, an electrostatic generator 13 and a storage battery 14.
Detailed Description
In order to make the objects, technical solutions, design methods, and advantages of the present invention more apparent, the present invention will be further described in detail by specific embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1 and 2, the utility model provides an experimental apparatus for static electricity generation, which comprises a housing 1, wherein the housing comprises an operation panel and a display panel, the operation panel is fixedly provided with 1 an electrostatic rod 3, an electrometer 5 and a button toggle switch 4, the display panel is fixedly provided with an observation window 6, a display 2 and a power switch 8, and the bottom of the housing 1 is also provided with a power plug 7; an electrostatic generator 13, a storage battery 14 and an electric leakage protection circuit 9 are arranged in the shell 1, and an electrostatic discharge point 12 is arranged in the observation window 6; the power supply plug 7, the power switch 8, the leakage protection circuit 9, the storage battery 14, the electrostatic generator 13, the toggle switch 11 and the electrostatic discharge point 12 are electrically connected to form an electrostatic discharge loop for demonstrating electrostatic sparks; the static demonstration device comprises a power plug 7, a power switch 8, a leakage protection circuit 9, a storage battery 14, a static generator 13, a button switch 11, a static bar 3 and a static meter 5 which are electrically connected to form a static demonstration loop for demonstrating static readings, wherein the static meter 5 is provided with a positive terminal and a negative terminal, and the static bar 3 comprises a positive static bar and a negative static bar.
Optionally, the housing 1 is further provided with a charging plug 10, electrically connected to the power switch 8, for charging the display 2.
In this embodiment, select tangible display screen as display 2, when demonstrating static, can be used to broadcast the application of static process and static, the exemplary video such as potential safety hazard that exists, has deepened the student and to the understanding of static. Toughened glass is selected as the observation window 6, so that the phenomenon of electrostatic ignition can be observed conveniently.
Optionally, the surface of the electrostatic rod 3 is provided with an insulating sleeve, so that an experimenter can hold the electrostatic rod 3 conveniently.
Optionally, the shell 1 is of a stainless steel structure, so that the overall strength of the shell 1 is increased.
Optionally, the operation panel and the display panel are detachably connected to the housing 1, and when the circuit inside the housing 1 fails, the maintenance is facilitated.
When the static demonstration is carried out, the specific operation process is as follows: a 220VAC power supply is switched on, a power switch 8 is switched on, a button toggle switch 4 is toggled to a 'static demonstration' gear, a static demonstration loop is communicated, a static generator 13 is electrified, the static bar 3 is held by a hand, the static bar 3 is inserted into a binding post corresponding to the static meter 5, a pointer of the static meter 5 deflects, and the generation of static electricity can be visually seen; the knob is toggled to the 'electrostatic discharge' gear, the electrostatic discharge loop is communicated, the electrostatic generator 13 is electrified, and the electrostatic ignition phenomenon generated at the electrostatic discharge point 12 can be observed through the observation window 6. Can more audio-visual demonstration static take place to can make the student conveniently watch when the teaching demonstration and know. During demonstration, the display 2 can be opened, and an exemplary video such as a static electricity generation process, static electricity application, potential safety hazards and the like stored in the display 2 can be played, so that understanding of students on static electricity is deepened.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (9)
1. An experimental device for static electricity generation is characterized by comprising a shell (1), wherein the shell comprises an operation panel and a display panel, an electrostatic rod (3), an electrometer (5) and a button toggle switch (4) are fixedly arranged on the operation panel, an observation window (6), a display (2) and a power switch (8) are fixedly arranged on the display panel, and a power plug pin (7) is further arranged at the bottom of the shell (1); an electrostatic generator (13), a storage battery (14) and a leakage protection circuit (9) are arranged in the shell (1), and an electrostatic discharge point (12) is arranged in the observation window (6); the power supply plug (7), the power switch (8), the leakage protection circuit (9), the storage battery (14), the electrostatic generator (13), the button switch (11) and the electrostatic discharge point (12) are electrically connected to form an electrostatic discharge loop for demonstrating electrostatic sparks; the static demonstration device comprises a power plug (7), a power switch (8), a leakage protection circuit (9), a storage battery (14), a static generator (13), a toggle switch (11), a static bar (3) and an electrometer (5), which are electrically connected to form a static demonstration loop for demonstrating static readings.
2. The static electricity generation experiment device as claimed in claim 1, wherein the housing (1) is further provided with a charging plug (10) electrically connected to the power switch (8) for charging the display (2).
3. A static electricity generation experiment device according to claim 2, wherein the display (2) is a touchable display screen.
4. An electrostatic generation experiment device according to claim 3, characterized in that the surface of the electrostatic rod (3) is provided with an insulating sleeve.
5. An electrostatic discharge testing device according to claim 4, wherein the housing (1) is of stainless steel construction.
6. A static electricity generation experiment device according to claim 5, characterized in that, the operation panel and the display panel are both detachably connected with the casing (1).
7. A static electricity generation experiment device according to claim 6, wherein the observation window (6) is of a tempered glass structure.
8. A static electricity generation experiment device according to claim 7, characterized in that the electrometer (5) is provided with a positive terminal and a negative terminal.
9. An experimental apparatus for static electricity generation according to claim 8, characterized in that, the static bar (3) comprises a positive pole static bar and a negative pole static bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121331361.6U CN215987757U (en) | 2021-06-16 | 2021-06-16 | Electrostatic generation experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121331361.6U CN215987757U (en) | 2021-06-16 | 2021-06-16 | Electrostatic generation experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215987757U true CN215987757U (en) | 2022-03-08 |
Family
ID=80516942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121331361.6U Expired - Fee Related CN215987757U (en) | 2021-06-16 | 2021-06-16 | Electrostatic generation experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215987757U (en) |
-
2021
- 2021-06-16 CN CN202121331361.6U patent/CN215987757U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |