CN212847342U - Tesla experiment teaching device - Google Patents
Tesla experiment teaching device Download PDFInfo
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- CN212847342U CN212847342U CN202021715221.4U CN202021715221U CN212847342U CN 212847342 U CN212847342 U CN 212847342U CN 202021715221 U CN202021715221 U CN 202021715221U CN 212847342 U CN212847342 U CN 212847342U
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- tesla
- experiment teaching
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- 238000007599 discharging Methods 0.000 claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 description 8
- 230000005684 electric field Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
The utility model relates to an experiment physics teaching technical field specifically is a tesla experiment teaching device, including bottom plate, base, battery, hand wheel, the hand wheel is passed through the conveyer belt and is connected with the generator, be fixed with the stay tube on the base, the winding of the stay tube outside has secondary coil, the secondary coil outside is around there being primary, the stay tube top is provided with discharge device, the bottom plate still is provided with equipment such as voltmeter and switch. The utility model has the advantages of circuit structure is simple, safe and reliable, convenient to use, effectively compensatied the blank that experiment teaching field lacks tesla experiment teaching aid, made the student experience the produced physical phenomenon of the mutual inductance principle of coil more directly perceivedly, deepened more to the understanding of tesla experiment principle, aroused the interest of student to physical knowledge.
Description
Technical Field
The utility model relates to a physical teaching technical field specifically is a tesla experiment teaching device.
Background
In physical experiment teaching, some teaching aids are generally used to make students more interested in experimental teaching contents. However, when the tesla experiment is explained, due to the lack of a corresponding teaching aid, many students cannot intuitively feel the tesla experiment enough, and the principle of the tesla experiment is not deeply understood.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model relates to a tesla experiment teaching device utilizes common enameled wire to make into simple and easy tesla coil, makes its return circuit produce electromagnetic oscillation after primary coil when the electric current, and the rethread is mutual-inductive makes secondary coil obtain higher voltage, and then produces stronger induction field around the secondary coil, at this moment will arouse its luminous near secondary coil with light appliances such as electricity-saving lamp. Make the student feel the produced physical phenomenon of the mutual inductance principle of coil more directly perceivedly through the device, understand deepening to the principle of tesla experiment, and then to physical knowledge more interesting, compensatied the blank that lacks tesla experiment teaching aid always, effectively solved above-mentioned problem.
The problems are effectively solved.
The utility model adopts the technical proposal that:
the utility model provides a tesla experiment teaching device which characterized in that: the electric generator comprises a bottom plate (1), wherein a base (2), a storage battery E1 (3) and a hand wheel (4) are arranged on the bottom plate (1), the hand wheel (4) is connected with a generator G1 (6) through a transmission belt (5), a support tube (7) is fixed on the base (2), an N-turn secondary coil Q2 (8) is wound on the outer side of the support tube (7), an M-turn primary coil Q1 (9) is wound on the outer side of the secondary coil Q2 (8) in a surrounding mode, N & ltM & gt, the primary coil Q1 (9) is fixed on the base (2), a discharging device (10) is arranged at the top of the support tube (7), and the bottom plate (1) is further provided with a voltmeter V1 (11) and a switch S1 (12);
one path of a positive output end of the generator G1 is connected with the positive end of a storage battery E1 through a switch S1, the other path of the positive output end of the generator G1 is connected with the base electrode of a triode VT1 through a voltage stabilizing tube DW1 and a resistor R1, the positive output end of the generator G1 is further connected with one end of a primary coil Q1 after passing through a voltage stabilizing tube DW1, the other end of the primary coil Q1 is connected with the collector electrode of a triode VT1, one path of an emitter electrode of the triode VT1 is connected with the negative end of the storage battery E1, the other path of the emitter electrode of the triode VT1 is connected with the negative output end of a generator G1, the base electrode of the triode VT1 is further connected with one end of a secondary coil Q2, the other end of the secondary coil Q2 is connected with a discharging device, and.
The triode is conducted to amplify current, the primary coil generates electromagnetic oscillation, energy is transmitted to the secondary coil through the oscillation, the secondary coil oscillates and receives the energy, and the voltage of the discharge top end, namely the discharge device, is increased and ionizes nearby air, so that an induction electric field is generated around the discharge top end.
Furthermore, the discharge device (10) is formed by coating a layer of complete material on the spherical surface of a table tennis ball
The tinfoil paper of (1).
The purpose is to better discharge to the outside and to produce a more uniform electric field.
Further, the primary coil Q1 (9) is an enameled wire with the diameter of 1mm, and the secondary coil
Q2 (8) is an enameled wire with the diameter of 0.2 mm.
Furthermore, the support tube (7) is a PVP water tube, the length is 7-10cm, and the diameter is 2-3 cm.
Furthermore, the bottom plate (1) is a wood plate, and the base (2) is a plastic plate.
Further, the voltage of the battery E1 (3) is 9V.
Further, the conveying belt (5) is a belt.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model relates to a tesla experiment teaching device has effectively compensatied the blank that the experiment teaching field lacks tesla experiment teaching aid, light utensils such as electricity-saving lamp in the experiment can produce the light under the condition of not touching coil, the phenomenon of demonstration is lively directly perceived, the curiosity effect of mobilization student in the classroom is obvious, more can arouse the exploration desire and the study of student to the tesla principle, improve the space imagination ability of student to physical phenomenon, and then produce more concentrated interest to physical knowledge.
2. The utility model discloses a simple and easy tesla coil that the enameled wire was made, common battery and small-size hand generator and ordinary resistance, triode, stabilivolt etc, materials such as required electrical equipment, electronic components, bottom plate all can purchase through market conventional channel, have draw materials easily, low in cost, circuit structure is simple, convenient operation and need not advantages such as complicated preparation technology, this device is accomplished experimental operation under safe voltage in addition, can ensure classroom safety, consequently has the prospect of extensive popularization and application in experiment teaching field.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings required in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some examples of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive step.
FIG. 1 is a plan view of a Tesla experimental teaching device;
FIG. 2 is a schematic circuit diagram of a Tesla experimental teaching device;
1-bottom plate, 2-base, 3-accumulator, 4-handwheel, 5-conveyer belt, 6-generator, 7-support tube, 8-secondary coil, 9-primary coil, 10-discharging device, 11-voltmeter, 12-switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the examples of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1:
a Tesla experiment teaching device comprises a bottom plate, wherein a base, a storage battery E1 and a hand wheel are arranged on the bottom plate, the hand wheel is connected with a generator G1 through a transmission belt, a support tube is fixed on the base, a 300-turn secondary coil Q2 is wound on the outer side of the support tube, a 3-turn primary coil Q1 is wound on the outer side of a secondary coil Q2, the primary coil Q1 is fixed on the base, a discharging device is arranged at the top of the support tube, the bottom plate is further provided with a voltmeter V1 and a switch S1, the discharging device is formed by wrapping a layer of complete tin foil paper on the spherical surface of a ping-pong ball, the primary coil Q1 is an enameled wire with the diameter of 1mm, the secondary coil Q2 is an enameled wire with the diameter of 0.2mm, the support tube is a PVP water pipe, the length is 8cm, the diameter is 2cm, the bottom plate is a wood plate, the base is a plastic plate, the conveying belt is a belt;
one path of a positive output end of the generator G1 is connected with the positive end of a storage battery E1 through a switch S1, the other path of the positive output end of the generator G1 is connected with the base electrode of a triode VT1 through a voltage stabilizing tube DW1 and a resistor R1, the positive output end of the generator G1 is further connected with one end of a primary coil Q1 after passing through a voltage stabilizing tube DW1, the other end of the primary coil Q1 is connected with the collector electrode of a triode VT1, one path of an emitter electrode of the triode VT1 is connected with the negative end of the storage battery E1, the other path of the emitter electrode of the triode VT1 is connected with the negative output end of a generator G1, the base electrode of the triode VT1 is further connected with one end of a secondary coil Q2, the other end of the secondary coil Q2 is connected with a discharging device, and.
In this embodiment, switch S1 is closed, the battery supplies power, and the optical device is a diode.
The utility model discloses a theory of operation: the experimenter closes the switch S1, when the voltage provided by the storage battery reaches the base voltage value of the triode, the triode is conducted, the storage battery, the voltage regulator tube, the primary coil and the triode form a loop at the moment, the triode amplifies the current, the primary coil generates electromagnetic oscillation, energy is transmitted to the secondary coil through the oscillation, the secondary coil oscillates along with the oscillation and receives the energy, the voltage of the discharge top end, namely the discharge device, is increased and ionizes the air nearby, and therefore an induced electric field is generated around the discharge top end.
When the voltmeter shows about 9V voltage, the experimenter holds the diode to be gradually close to the discharge device, and then observes that the diode emits bright light, and the closer to the discharge device, the brighter, the farther from the discharge device, the darker.
Example 2:
a Tesla experiment teaching device comprises a bottom plate, wherein a base, a storage battery E1 and a hand wheel are arranged on the bottom plate, the hand wheel is connected with a generator G1 through a transmission belt, a support tube is fixed on the base, a 300-turn secondary coil Q2 is wound on the outer side of the support tube, a 3-turn primary coil Q1 is wound on the outer side of a secondary coil Q2, the primary coil Q1 is fixed on the base, a discharging device is arranged at the top of the support tube, the bottom plate is further provided with a voltmeter V1 and a switch S1, the discharging device is formed by wrapping a layer of complete tin foil paper on the spherical surface of a ping-pong ball, the primary coil Q1 is an enameled wire with the diameter of 1mm, the secondary coil Q2 is an enameled wire with the diameter of 0.2mm, the support tube is a PVP water pipe, the length is 10cm, the diameter is 3cm, the bottom plate is a wood plate, the base is a plastic plate, the conveying belt is a belt;
one path of a positive output end of the generator G1 is connected with the positive end of a storage battery E1 through a switch S1, the other path of the positive output end of the generator G1 is connected with the base electrode of a triode VT1 through a voltage stabilizing tube DW1 and a resistor R1, the positive output end of the generator G1 is further connected with one end of a primary coil Q1 after passing through a voltage stabilizing tube DW1, the other end of the primary coil Q1 is connected with the collector electrode of a triode VT1, one path of an emitter electrode of the triode VT1 is connected with the negative end of the storage battery E1, the other path of the emitter electrode of the triode VT1 is connected with the negative output end of a generator G1, the base electrode of the triode VT1 is further connected with one end of a secondary coil Q2, the other end of the secondary coil Q2 is connected with a discharging device, and.
In this embodiment, the switch S1 is turned off, the generator supplies power, and the light is an energy saving lamp.
The utility model discloses a theory of operation: an experimenter holds a handle on a hand wheel, then rotates the hand wheel to drive a generator to generate power through a conveyor belt, when the voltage value of a base electrode of a triode is reached, the triode is conducted, the generator, a voltage stabilizing tube, a primary coil and the triode form a loop, the triode amplifies current gradually, the primary coil generates electromagnetic oscillation, energy is transmitted to a secondary coil through the oscillation, the secondary coil oscillates along with the loop and receives the energy, the voltage of a discharge top end, namely a discharge device, is gradually increased and ionizes air nearby, and therefore an induction electric field is generated around the discharge top end.
When the voltmeter displays about 10V of voltage, an experimenter holds the energy-saving lamp to be gradually close to the discharge device, and then observes that the energy-saving lamp emits bright light, and the closer to the discharge device, the brighter the energy-saving lamp is, the farther from the discharge device, the darker the energy-saving lamp is.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a tesla experiment teaching device which characterized in that: the electric generator comprises a bottom plate (1), wherein a base (2), a storage battery E1 (3) and a hand wheel (4) are arranged on the bottom plate (1), the hand wheel (4) is connected with a generator G1 (6) through a transmission belt (5), a support tube (7) is fixed on the base (2), an N-turn secondary coil Q2 (8) is wound on the outer side of the support tube (7), an M-turn primary coil Q1 (9) is wound on the outer side of the secondary coil Q2 (8) in a surrounding mode, N & ltM & gt, the primary coil Q1 (9) is fixed on the base (2), a discharging device (10) is arranged at the top of the support tube (7), and the bottom plate (1) is further provided with a voltmeter V1 (11) and a switch S1 (12);
one path of a positive output end of the generator G1 is connected with the positive end of a storage battery E1 through a switch S1, the other path of the positive output end of the generator G1 is connected with the base electrode of a triode VT1 through a voltage stabilizing tube DW1 and a resistor R1, the positive output end of the generator G1 is further connected with one end of a primary coil Q1 after passing through a voltage stabilizing tube DW1, the other end of the primary coil Q1 is connected with the collector electrode of a triode VT1, one path of an emitter electrode of the triode VT1 is connected with the negative end of the storage battery E1, the other path of the emitter electrode of the triode VT1 is connected with the negative output end of a generator G1, the base electrode of the triode VT1 is further connected with one end of a secondary coil Q2, the other end of the secondary coil Q2 is connected with a discharging device, and.
2. A tesla experiment teaching device according to claim 1, wherein: the discharging device (10) is formed by wrapping a layer of complete tin foil paper on the spherical surface of a table tennis ball.
3. A tesla experiment teaching device according to claim 1, wherein: the primary coil Q1 (9) is an enameled wire with the diameter of 1mm, and the secondary coil Q2 (8) is an enameled wire with the diameter of 0.2 mm.
4. A tesla experiment teaching device according to claim 1, wherein: the support tube (7) is a PVP water tube, the length is 7-10cm, and the diameter is 2-3 cm.
5. A tesla experiment teaching device according to claim 1, wherein: the bottom plate (1) is a wood plate, and the base (2) is a plastic plate.
6. A tesla experiment teaching device according to claim 1, wherein: the voltage of the storage battery E1 (3) is 9V.
7. A tesla experiment teaching device according to claim 1, wherein: the conveying belt (5) is a belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021715221.4U CN212847342U (en) | 2020-08-17 | 2020-08-17 | Tesla experiment teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021715221.4U CN212847342U (en) | 2020-08-17 | 2020-08-17 | Tesla experiment teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212847342U true CN212847342U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021715221.4U Expired - Fee Related CN212847342U (en) | 2020-08-17 | 2020-08-17 | Tesla experiment teaching device |
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| CN (1) | CN212847342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115208227A (en) * | 2022-07-26 | 2022-10-18 | 山东大学 | High voltage generating circuit, cleaning system and method suitable for ionosphere satellite load |
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2020
- 2020-08-17 CN CN202021715221.4U patent/CN212847342U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115208227A (en) * | 2022-07-26 | 2022-10-18 | 山东大学 | High voltage generating circuit, cleaning system and method suitable for ionosphere satellite load |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210330 |