CN106530916B - Magneto-electric conversion device - Google Patents
Magneto-electric conversion device Download PDFInfo
- Publication number
- CN106530916B CN106530916B CN201611030836.1A CN201611030836A CN106530916B CN 106530916 B CN106530916 B CN 106530916B CN 201611030836 A CN201611030836 A CN 201611030836A CN 106530916 B CN106530916 B CN 106530916B
- Authority
- CN
- China
- Prior art keywords
- bracket
- magneto
- emitting diode
- light emitting
- voltage stabilizing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/181—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for electric and magnetic fields; for voltages; for currents
Landscapes
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Physics (AREA)
- Computational Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
- Instructional Devices (AREA)
Abstract
The application relates to a magneto-electric conversion device, which comprises an electricity-generating magnetic part, a magnetism-generating electricity part and a magneto-electric conversion part: the electromagnetic generating part comprises a first light emitting diode, a second light emitting diode, a solenoid, a small magnetic needle, a control circuit, a chassis and a bracket; the magneto electricity generation part comprises a transmission shaft, a coil, a magnet, a light emitting diode, a chassis, a bracket, a rotating shaft and an operating lever; the magneto-electric conversion part comprises a bracket and a rectifying and voltage stabilizing circuit arranged on the bracket. The application has simple circuit and ingenious conception, and has certain novelty, originality and pertinence; the experimental operation is simple, and the demonstration effect is visual and obvious; the core part of the device is prepared by manually planning common materials, and the device has low cost and safe and reliable performance. The teaching aid is used for teaching and can excite the learning interest of students, and has very important significance in the aspects of mobilizing intelligence factors and non-intelligence factors of the students.
Description
Technical Field
The application relates to a teaching aid, in particular to a magneto-electric conversion device.
Background
At present, the traditional teaching aid adopted in the teaching of the middle school has strong scientificity, but is insufficient in interestingness and flexibility, mostly can only be verified, and is inconvenient to explore the study. Therefore, a teaching aid with concurrent scientificity, practicability, interestingness and flexibility is very necessary to design.
Disclosure of Invention
The application aims to provide a magneto-electric conversion device which has visual and obvious demonstration effect aiming at the defects in the prior art.
In order to achieve the above purpose, the application discloses the following technical scheme:
a magneto-electric conversion device includes an electricity-generating magnetic section, a magnetism-generating electric section, and a magneto-electric conversion section:
the electromagnetic generating part comprises a first light emitting diode, a second light emitting diode, a solenoid, a small magnetic needle, a control circuit, a chassis and a bracket, wherein the control circuit is a circuit for changing the current direction, one end of the control circuit is connected with a power supply through a wire, the other end of the control circuit is connected with the solenoid, the first light emitting diode is arranged at the chassis and is connected with the solenoid, the second light emitting diode is connected with the first light emitting diode in parallel and in opposite directions, the small magnetic needle is arranged at the axis outside the solenoid, the solenoid is arranged on the bracket, an iron core is arranged in the solenoid, and a reference system is arranged on the chassis;
the magnetic electricity generation part comprises a transmission shaft, a coil, a magnet, a light emitting diode, a chassis, a bracket, a rotating shaft and an operating rod, wherein the transmission shaft sequentially penetrates through the bracket, the coil and the magnet and is movably arranged on the chassis, the coil is fixed on the bracket, the magnet is fixed on the rotating shaft, two ends of the light emitting diode are respectively connected with two ends of the coil, and the operating rod is matched with the transmission shaft in a use state and pulls the rotating shaft to rotate;
the magneto-electricity conversion part comprises a bracket and a rectifying and voltage stabilizing circuit arranged on the bracket, wherein an input terminal wire column and an output terminal wire column are arranged on the bracket, the magneto-electricity generation part is connected with the input end of the rectifying and voltage stabilizing circuit through the input terminal wire column, and the magneto-electricity generation part is connected with the output end of the rectifying and voltage stabilizing circuit through the output terminal wire column.
Furthermore, the control rod is of an arch structure formed by elastic bamboo chips and rubber bands, the upper part of the transmission shaft is fixedly sleeved with a fixed pulley, and the rubber bands are matched with the fixed pulley.
Further, the rectifying and voltage stabilizing circuit comprises a rectifying diode, an electrolytic capacitor, a voltage stabilizing structure module and a load resistor, and the connection relation is as follows: the input end is connected with a rectifier bridge consisting of rectifier diodes, the other two corresponding ends of the bridge are grounded, the other two corresponding ends of the bridge are connected with a voltage stabilizing circuit part, the voltage stabilizing circuit consists of a capacitor and a resistor which are connected with a voltage stabilizing module, the output end is arranged at two poles of the capacitor, the negative pole of the capacitor is grounded, and fixed 5V direct current is output.
Further, the bracket of the magneto-electric conversion part is an arch bracket, and the binding posts are arranged at the bottoms of two sides of the arch bracket.
Further, the coil of the magneto electricity generating part is a 700-coil copper coil.
Further, the first light emitting diode of the electromagnetic generating part is a red diode, and the second light emitting diode is a green diode.
The magneto-electric conversion device disclosed by the application has the following beneficial effects:
the application has simple circuit and ingenious conception, and has certain novelty, originality and pertinence; the experimental operation is simple, and the demonstration effect is visual and obvious; the core part of the device is prepared by manually planning common materials, and the device has low cost and safe and reliable performance. The teaching aid is used for teaching and can excite the learning interest of students, and has very important significance in the aspects of mobilizing intelligence factors and non-intelligence factors of the students.
Drawings
FIG. 1 is a schematic structural view of an electromagnet portion;
FIG. 2 is a schematic structural view of a magneto-electric section;
FIG. 3 is a schematic illustration of the construction of a joystick;
fig. 4 is a schematic structural view of the magneto-electric converting portion;
FIG. 5 is a circuit diagram of a regulated rectifier circuit;
wherein:
the electromagnetic induction type LED lamp comprises a first LED, a second LED, a 2-solenoid, a 3-small magnetic needle, a 4-control circuit, a 5-first wire, a 6-second wire, a 7-electromagnetic chassis, an 8-electromagnetic support, a 9-third wire, a 10-coil, a 11-magnet, a 12-LED, a 13-chassis, a 14-support, a 15-rotating shaft, a 16-transmission shaft, a 17-operating lever, a 18-voltage stabilizing and rectifying circuit board, a 19-electromagnetic conversion part support and a 20-binding post.
Detailed Description
The application is further described below with reference to examples.
A magneto-electric conversion device includes an electricity-generating magnetic section, a magnetism-generating electric section, and a magneto-electric conversion section:
referring to fig. 1, fig. 1 is a schematic structural view of an electromagnet portion according to the present application. The electromagnetic part comprises a first light-emitting diode 101, a second light-emitting diode 102, a solenoid 2, a small magnetic needle 3, a control circuit 4, an electromagnetic chassis 7 and an electromagnetic bracket 8, wherein the control circuit 4 is a circuit for changing the current direction, one end of the control circuit is connected with a power supply through a wire, the other end of the control circuit is connected with the solenoid 2, the first light-emitting diode 101 is arranged at the electromagnetic chassis 7 and is connected with the solenoid 2, the second light-emitting diode 102 is connected with the first light-emitting diode 101 in parallel and reversely, the small magnetic needle 3 is arranged at the axis outside the solenoid 2, the solenoid 2 is arranged on the electromagnetic bracket 8, an iron core is arranged in the solenoid 2, and a reference system is arranged on the electromagnetic chassis 7. The first light emitting diode 101 in this embodiment is a red diode, and the second light emitting diode 102 is a green diode.
Operation description of the electro-magnetic teaching aid: is made according to the principle of right-handed spiral rule. When the circuit is connected, the two groups of red diodes, green diodes and red diodes are alternately operated. I.e. when the current direction is switched by means of the circuit, the group of diodes that just emits light is extinguished, while the other group of diodes connected in parallel and in opposite directions is operated. Since the diode has unidirectional conduction, it is clearly observed that the circuit direction has been changed in the circuit. The student can place the small magnetic needle 3 on the chassis 7 with a series of concentric circles, at which time the learned knowledge is used to determine the change in magnetic field generated by the solenoid. Over a change in the magnitude of the current.
The operation steps are as follows:
(1) Placing an electro-magnetic component in the disc;
(2) Turning on a power switch;
(3) Firstly, a forward circuit is connected, a corresponding N, S pole is generated in an electrified solenoid, and a small magnetic needle attracts and turns;
(4) Then the reverse circuit is turned on, the pole of the energized solenoid N, S is changed, and the small magnetic needle is reversed by the repulsive force.
Referring to fig. 2-3, the magneto electricity generating part comprises a transmission shaft 16, a coil 10, a magnet 11, a light emitting diode 12, a chassis 13, a bracket 14, a rotating shaft 15 and an operating rod 17, wherein the transmission shaft 16 sequentially penetrates through the bracket 14, the coil 10 and the magnet 11 and is movably mounted on the chassis 13, the coil 10 is fixed on the bracket 14, the magnet 11 is fixed on the rotating shaft 15, two ends of the light emitting diode 12 are respectively connected with two ends of the coil 10, and the operating rod 17 is matched with the transmission shaft 16 in a use state to pull the rotating shaft 15 to rotate. The control rod 17 is an arch structure formed by elastic bamboo chips and rubber bands, the upper part of the transmission shaft 16 is fixedly sleeved with a fixed pulley, and the rubber bands are matched with the fixed pulley. The coil 10 in this embodiment is a 700-turn copper coil.
Description of the operation of the magneto electricity generation part: the operating rod 17 is sleeved on the transmission shaft 16, and the magnetic flux in the coil 10 is changed by the back and forth reciprocating operation through the friction of the rubber band transmission rod on the operating rod 17, so that an induced electric field is generated, and current is supplied to the three light emitting diodes 12 connected in series. The voltage of 5-7V can be obtained in the part, which is far greater than the voltage generated by a simple hand-operated generator used by a student in the usual way, because the operating lever 17 is an innovative arch structure formed by elastic bamboo chips and rubber bands, any end of the operating lever 17 is slightly rotated by hands, and the amplifying effect of a lever is utilized; meanwhile, as the friction is increased by the relative movement of the control rod 17 and the transmission shaft 16, the rapidly-changing magnetic flux is obtained, and the higher output voltage is obtained, so that the self-made generator can reach the use standard, the electric device part used in life can be further improved, and the self-made generator can also be used for a low-voltage power supply control end of large-scale scientific and technological equipment.
The operation steps are as follows:
(1) The magnetism generating part is used for replacing magnetism in the magnetism generating part in the step;
(2) Sleeving the top fixed pulley with an arched control rod;
(3) The pulley is rotated by the forward and backward cycle towards the multiplexing rod;
(4) The magnet rotates along with the magnet, induced current is generated in the coil, and the light emitting diode works.
The average value of the induced electric field voltage generated by the part is about 7v, and 3 series-connected light emitting diodes can be supplied with power. Experiments find that the diodes alternate on and off, and the alternating current generated in the coil can be verified. Meanwhile, the student experiences the electricity generation process by himself, and is full of fun.
Referring to fig. 4, fig. 4 shows a magneto-electric conversion part, in which D1-D4 are rectifier diodes, C1 is an electrolytic capacitor, 7815 is a voltage stabilizing structure module, a constant 5V dc voltage is output, and R is a load. The magneto-electricity conversion part comprises a magneto-electricity conversion part bracket 19 and a rectifying and voltage stabilizing circuit board 18 arranged on the bracket, an input terminal wire column and an output terminal wire column are arranged on the bracket 19, the magneto-electricity generation part is connected with the input end of the rectifying and voltage stabilizing circuit through the input terminal wire column, and the magneto-electricity generation part is connected with the output end of the rectifying and voltage stabilizing circuit through the output terminal wire column.
As a specific embodiment, the rectifying and voltage stabilizing circuit includes a rectifying diode, an electrolytic capacitor, a voltage stabilizing structure module and a load resistor, and the connection relationship is as follows: the input end is connected with a rectifier bridge consisting of rectifier diodes, the other two corresponding ends of the bridge are grounded, the other two corresponding ends of the bridge are connected with a voltage stabilizing circuit part, the voltage stabilizing circuit consists of a capacitor and a resistor which are connected with a voltage stabilizing module, the output end is arranged at two poles of the capacitor, the negative pole of the capacitor is grounded, and fixed 5V direct current is output.
The bracket 19 in this embodiment is an arch bracket, and the binding posts 20 are disposed at bottoms of both sides of the arch bracket 19.
Magneto-electric conversion part teaching aid operation instruction: the input end is connected with the torsion type, the output end is connected with the solenoid and the diode, and the light emission of the diode can be seen, so that the emitted electricity is determined.
In the teaching process, the electric and magnetic mutual exchange device can analyze the included knowledge points firstly, is divided into three aspects, is designed in 3 directions according to the pertinence of the knowledge points in the 3 aspects, and is characterized in that the first part highlights the mastering of basic knowledge and the culture of experimental exploration capability; the second part, innovatively designs the torsion generator, and skillfully utilizes the friction and the amplification principle of the lever; the third part is to highlight knowledge application, excite students to learn potential and culture scientific literacy. According to the cognitive law of people, the teaching aid is combined with the lesson standard requirements and student learning condition designs, is used for teaching and is convenient to operate, and good use effects can be achieved.
The foregoing is merely a preferred embodiment of the present application and is not intended to be limiting thereof; it should be noted that, although the present application has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solutions described in the above embodiments may be modified or some or all of the technical features thereof may be replaced with others; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (1)
1. A magneto-electric conversion apparatus characterized by comprising an electricity-generating magnetic section, a magnetism-generating electricity section, and a magneto-electric conversion section:
the electromagnetic generating part comprises a first light emitting diode, a second light emitting diode, a solenoid, a small magnetic needle, a control circuit, a chassis and a bracket, wherein the control circuit is a circuit for changing the current direction, one end of the control circuit is connected with a power supply through a wire, the other end of the control circuit is connected with the solenoid, the first light emitting diode is arranged at the chassis and is connected with the solenoid, the second light emitting diode is connected with the first light emitting diode in parallel and in opposite directions, the small magnetic needle is arranged at the axis outside the solenoid, the solenoid is arranged on the bracket, an iron core is arranged in the solenoid, and a reference system is arranged on the chassis;
the magnetic electricity generation part comprises a transmission shaft, a coil, a magnet, a light emitting diode, a chassis, a bracket, a rotating shaft and an operating rod, wherein the transmission shaft sequentially penetrates through the bracket, the coil and the magnet and is movably arranged on the chassis, the coil is fixed on the bracket, the magnet is fixed on the rotating shaft, two ends of the light emitting diode are respectively connected with two ends of the coil, and the operating rod is matched with the transmission shaft in a use state and pulls the rotating shaft to rotate;
the magneto-electricity conversion part comprises a bracket and a rectifying and voltage stabilizing circuit arranged on the bracket, an input terminal wire post and an output terminal wire post are arranged on the bracket, the magneto-electricity generation part is connected with the input end of the rectifying and voltage stabilizing circuit through the input terminal wire post, and the magneto-electricity generation part is connected with the output end of the rectifying and voltage stabilizing circuit through the output terminal wire post;
the control rod is of an arch structure formed by elastic bamboo chips and rubber bands, the upper part of the transmission shaft is fixedly sleeved with a fixed pulley, and the rubber bands are matched with the fixed pulley;
the rectifying and voltage stabilizing circuit comprises a rectifying diode, an electrolytic capacitor, a voltage stabilizing structure module and a load resistor, and the connection relation is as follows: the input end is connected with a rectifier bridge consisting of rectifier diodes, the other two corresponding ends of the bridge are grounded, the other two corresponding ends of the bridge are connected with a voltage stabilizing circuit part, the voltage stabilizing circuit is formed by connecting a capacitor and a resistor with a voltage stabilizing module, the output end is arranged at two poles of the capacitor, the negative pole of the capacitor is grounded, and fixed 5V direct current is output;
the bracket of the magneto-electric conversion part is an arch bracket, and the binding posts are arranged at the bottoms of two sides of the arch bracket;
the coil of the magneto electricity generation part is a 700-circle copper coil;
the first light-emitting diode of the electromagnetic generating part is a red diode, and the second light-emitting diode is a green diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030836.1A CN106530916B (en) | 2016-11-16 | 2016-11-16 | Magneto-electric conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030836.1A CN106530916B (en) | 2016-11-16 | 2016-11-16 | Magneto-electric conversion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106530916A CN106530916A (en) | 2017-03-22 |
| CN106530916B true CN106530916B (en) | 2023-10-20 |
Family
ID=58356032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611030836.1A Active CN106530916B (en) | 2016-11-16 | 2016-11-16 | Magneto-electric conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106530916B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201707817U (en) * | 2010-03-17 | 2011-01-12 | 李洪军 | Electromagnetic induction demonstrator |
| WO2011085517A1 (en) * | 2010-01-13 | 2011-07-21 | 西安华伟光电技术有限公司 | Electronic current transformer based on complete self-excitation power supply |
| KR20120108874A (en) * | 2011-03-26 | 2012-10-05 | 안선후 | Studying device by the electromagnetic induction theory |
| CN104064086A (en) * | 2014-06-25 | 2014-09-24 | 南宁市第二中学 | Moving-magnet-type loudspeaker for teaching |
| CN204045090U (en) * | 2014-08-27 | 2014-12-24 | 高星明 | A kind of teaching generator model |
| CN204143718U (en) * | 2014-08-06 | 2015-02-04 | 伍哲希 | A kind of energization solenoid current field demonstration device |
| CN204288627U (en) * | 2014-12-02 | 2015-04-22 | 许言召 | DC electromotor principle demonstrator |
| CN205487040U (en) * | 2016-02-05 | 2016-08-17 | 祝妍妍 | Electromagnetic induction presentation device for physical teaching |
| CN206340243U (en) * | 2016-11-16 | 2017-07-18 | 商洛学院 | Magneto converter |
-
2016
- 2016-11-16 CN CN201611030836.1A patent/CN106530916B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011085517A1 (en) * | 2010-01-13 | 2011-07-21 | 西安华伟光电技术有限公司 | Electronic current transformer based on complete self-excitation power supply |
| CN201707817U (en) * | 2010-03-17 | 2011-01-12 | 李洪军 | Electromagnetic induction demonstrator |
| KR20120108874A (en) * | 2011-03-26 | 2012-10-05 | 안선후 | Studying device by the electromagnetic induction theory |
| CN104064086A (en) * | 2014-06-25 | 2014-09-24 | 南宁市第二中学 | Moving-magnet-type loudspeaker for teaching |
| CN204143718U (en) * | 2014-08-06 | 2015-02-04 | 伍哲希 | A kind of energization solenoid current field demonstration device |
| CN204045090U (en) * | 2014-08-27 | 2014-12-24 | 高星明 | A kind of teaching generator model |
| CN204288627U (en) * | 2014-12-02 | 2015-04-22 | 许言召 | DC electromotor principle demonstrator |
| CN205487040U (en) * | 2016-02-05 | 2016-08-17 | 祝妍妍 | Electromagnetic induction presentation device for physical teaching |
| CN206340243U (en) * | 2016-11-16 | 2017-07-18 | 商洛学院 | Magneto converter |
Non-Patent Citations (1)
| Title |
|---|
| 李月荣 ; .电磁铁创新实验的效果.电子世界.2012,(第24期),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106530916A (en) | 2017-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206210209U (en) | Electromagnetic induction and magnetic suspension experiment demonstrator | |
| JP5989867B1 (en) | Vibration dynamo equipment | |
| KR20120108874A (en) | Studying device by the electromagnetic induction theory | |
| CN204288627U (en) | DC electromotor principle demonstrator | |
| CN106530916B (en) | Magneto-electric conversion device | |
| CN206340243U (en) | Magneto converter | |
| EP2097309B1 (en) | Bicycle generator | |
| CN106023769A (en) | Motor and engine integrated teaching demonstration model | |
| CN206340242U (en) | Magnetic life audio-visual education programme tool | |
| CN206893156U (en) | A kind of law of electromagnetic induction teaching aid | |
| CN106781907A (en) | A kind of magnetic life audio-visual education programme tool | |
| CN201084301Y (en) | A device for demonstrating hand crank electricity generation | |
| CN103985309B (en) | Practical teaching device for brushless engine | |
| CN203013093U (en) | Magnetic field changing type double-current generator demonstration apparatus | |
| CN201993955U (en) | Bridge-type rectifying teaching demonstration device | |
| CN203013091U (en) | A coil-changed double-current generator demonstrating device | |
| CN200947305Y (en) | Kinetic energy-electric energy conversion demonstrating instrument | |
| CN106448379A (en) | AC generator principle demonstration instrument | |
| CN203910159U (en) | Teaching practical-training device of brushless engine | |
| CN102376189A (en) | Device for demonstrating electromagnetic induction phenomena with light emitting diodes | |
| JP3790780B2 (en) | DC motor rotation principle explanation device | |
| CN203154833U (en) | Electromagnetic induction flashing stick | |
| CN201600815U (en) | Direct current motor led demonstration instrument | |
| CN2539260Y (en) | Bidirectional magnetic holding electromagnet | |
| KR950009108Y1 (en) | Induced electromotive force developing device for educational purpose by using permanent magnet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |