CN105096713A - Magneto-optical communication combined demonstration instrument - Google Patents
Magneto-optical communication combined demonstration instrument Download PDFInfo
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- CN105096713A CN105096713A CN201510561645.7A CN201510561645A CN105096713A CN 105096713 A CN105096713 A CN 105096713A CN 201510561645 A CN201510561645 A CN 201510561645A CN 105096713 A CN105096713 A CN 105096713A
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- loudspeaker
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- 230000000694 effects Effects 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 4
- 238000011160 research Methods 0.000 abstract description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The present invention discloses a magneto-optical communication combined demonstration instrument, which comprises a solar cell panel, an LED lamp panel, an insulated substrate, a transmitting coil, a receiving coil, a loudspeaker, an audio signal generation device, an LED lamp power supply, a loudspeaker power supply, a first switch and a second switch. The transmitting coil, the receiving coil, the loudspeaker, the audio signal generation device, the LED lamp power supply, the loudspeaker power supply, the first switch and the second switch are arranged on the insulated substrate. The LED lamp power supply is used for supplying power to the LED lamp panel. The loudspeaker power supply is used for supplying power to the loudspeaker. The solar cell panel and the receiving coil are respectively connected with the loudspeaker power supply. An audio signal output device is connected with the transmitting coil via a signal line. The first switch is a main switch of the magneto-optical communication combined demonstration instrument. The second switch is in the form of a single-pole double-throw switch. The instrument is operated in the sound indicating means, wherein the communication based on electromagnetic waves and optical waves can be demonstrated in the space-to-space manner without the aid of any medium. Meanwhile, the magneto-optical communication combined demonstration instrument is simple in structure, easy to operate and good in teaching experiment effect, thereby improving the interest of students in scientific research.
Description
Technical field
The invention belongs to teaching appliance field, be specifically related to a kind of magneto-optic communication combined demonstration instrument.
Background technology
Along with the development of society, country more and more payes attention to the cultivation of national quality of science, especially increasing to the input of education.As science popularization product, except well explaining the principles of science, also should have certain interest, can inquiry, the eyeball of people could be attracted, excite people to the interest of scientific research.In order to the communication process allowing student observe electromagnetic wave and light wave more intuitively, be born the electromagnetic wave of teaching and the apparatus for demonstrating of light wave transmission and reception, although have some teaching aids or experiment equipment in the middle and primary schools and some science and technology centers of the overwhelming majority, but the complex structure that these teaching aids have, scientific and technical innovation is poor, operation steps is various, it not the principle that the personnel of specialty are difficult to understand wherein.
And the present invention is the content learned from middle school, by the cost of simple cheaper construction, provide a kind of demonstrating electrical magnetic wave and light wave can not carry out the teaching aid of communication intuitively when every sky by any medium.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, provide a kind of magneto-optic communication demonstrator, this instrument has advantages such as being easy to operation, with low cost, education experiment is respond well.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of magneto-optic communication combined demonstration instrument, comprises solar panel, LED lamp panel, transmitting coil, receiving coil, loudspeaker, sound signal generating means, LED power supply, loudspeaker power supply, the first switch, second switch and insulated substrate.
Further, described insulated substrate is tabular body, baseboard material adopts the insulating rigid materials such as hardwood plate, composite plate, plastic plate, acrylic board or cardboard to make, the thickness of the tabular body of base plate is 0.01 ~ 5mm, base plate is provided with the analog communication circuit of band audio output port, by preferred material and thickness, guarantee the communication of realizing circuit, and can device in bearer circuit.
Further, the preferred resistance of described transmitting coil is 16 to 20 ohm, and the number of turn is the coil of 800 to 1000 circles, and coil shape is the shape such as circular, oval, square.Transmitting coil receives the marking current from audio signal input device in circuit and is transmitted in the receiving coil of another circuit.
Further, described receiving coil is placed in carton, and the preferred resistance of receiving coil is at 4.3 to 5 ohm, and the number of turn is the coil of 200 to 300 circles, and coil shape is circular, oval or square.Receiving coil receives electromagnetic wave that transmitting coil sends in circuit and it is converted into marking current and is transmitted in loudspeaker.
Further, described LED lamp panel is formed in parallel by 24 to 36 LED, and its rated power is 12W rated voltage is 12V, and during work, the virtual voltage at LED two ends is about 8V to 8.5V, and real power is about 9W.Under the total current that LED lamp panel superposes with LED power electric current at the marking current of sound signal generating means, luminous concurrent light wave of penetrating is in the solar panel of another circuit.
Further, described solar panel, its power when normal work is 3V, the voltage of 6V can be provided, solar panel and LED lamp panel iron stand erect respectively and make their horizontal symmetrical, and solar panel receives the light wave that sends from LED in circuit and finally it is converted into marking current and is transferred in loudspeaker.
Further, described audio signal input device adopts radio, mobile phone, MP3 or MP4, and audio signal input device institute charged is direct supply, and voltage is 2.7V to 3V, can be whole circuit and provides marking current.
Further, during its work of described loudspeaker, voltage is 3.7V to 5V, and electric current is 0.6A to 0.81A, and power is 3W.The effect of loudspeaker receives marking current that solar panel or receiving coil spread out of and it is converted into sound.
Further, described LED power acquisition dry cell, accumulator or student's direct supply, voltage is 12V to 18V.
Further, described loudspeaker power supply is direct supply, and voltage is between 3.7V to 5V, and described power supply provides power supply for loudspeaker.
Further, described first switch is the master switch of experiment, plays the effect of the circuit safety protecting whole device in whole circuit.
Further, described second switch is a single-pole double-throw switch (SPDT), this switch movable contact sheet A is connected with contact B, and connect optical communication illustrative circuitry, movable contact spring A is connected with contact C, connects magnetic communicating circuit, and the effect of described second switch to make device freely switch in magnetic flux news and optical communication.
Further, the distance and bearing between transmitting coil and receiving coil is adjustable, distance and bearing between LED lamp panel and the solar panel of Received signal strength is adjustable.By the sound regulating the Distance geometry position between them to hear different size respectively.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
The present invention's receiving coil, transmitting coil, loudspeaker, LED lamp panel and solar-electricity magnetic sheet do the demonstrator every empty acoustic, magnetic flux news and the communication phenomenon of optical communication can be demonstrated, a kind ofly demonstrating electrical magnetic wave and light wave when every sky, the teaching aid of communication can not carried out by any medium intuitively for student provides.The interest that this Instrument Design mode is novel, scientific and technical innovation height easily excites student, agrees with Middle School Physics knowledge, is applicable to teachers ' classroom teaching experimental demonstration and science and technology center's displaying etc.
Accompanying drawing explanation
In order to be illustrated more clearly in example of the present invention or technical scheme of the prior art, introduce doing accompanying drawing required in embodiment or description of the prior art simply below, obviously, accompanying drawing in the following describes is only examples more of the present invention, to those skilled in the art, do not paying under creationary prerequisite, other accompanying drawing can also obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of magneto-optic communication of the present invention combined demonstration instrument;
In accompanying drawing, 1-solar panel, 2-LED lamp plate, 3-transmitting coil, 4-receiving coil, 5-loudspeaker, 6-audio signal input device, 7-LED lamp power supply, 8-loudspeaker power supply, 9-first switch, 10-second switch, 11-insulated substrate.
Embodiment
Be described in further detail the specific embodiment of the present invention below in conjunction with accompanying drawing, wherein in institute's drawings attached, identical label represents same or similar parts, and the accompanying drawing in instructions is reduced form, only for understanding concrete structure of the present invention.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention.
The embodiment of the present invention is with reference to shown in figure 1, a kind of magneto-optic communication combined demonstration instrument, comprises solar panel 1 and insulated substrate 11, and is fixed on the LED lamp panel 2 on insulated substrate, transmitting coil 3, receiving coil 4, loudspeaker 5, sound signal generating means 6, LED power supply 7, loudspeaker power supply 8, first switch 9, second switch 10.Described LED power supply 7 powers to LED lamp panel 2, loudspeaker power supply 8 powers to loudspeaker 5, solar panel 1 is connected with loudspeaker power supply 8 respectively with receiving coil 4, the contact B of second switch 9 is connected with LED lamp panel 2, the contact C of second switch 9 is connected with transmitting coil 3, when the movable contact spring A of second switch 10 is connected with contact B, again with sound signal generating means 6, first switch 9, LED power supply 7 and LED lamp panel 2 optical communication illustrative circuitry in series, when the movable contact spring A of second switch 10 is connected with contact C, again with sound signal generating means 6, first switch 9 and transmitting coil 3 magnetic flux news in series illustrative circuitry.
Magnetic flux news demonstration part, the marking current of sound signal generating means 6 connects the wireless transmitting coil 3 of sound by signal wire, the magnetic field that the curent change of sound signal makes transmitting coil 3 change, when the receiving coil 4 of connection loudspeaker 5 is near transmitting coil 3, thus its magnetic flux is made to produce induction current thereupon changing.This induction current drives loudspeaker 5, just can broadcast wireless music.The transfer process of signal is sound signal → curent change → electromagnetic induction → curent change → sound signal → sound.
Optical communication demonstration part, DC current in the electric signal that the sound signal of sound signal generating means 6 is transmitted out by signal wire and circuit is superimposed and makes LED luminous, the voice-frequency signalling current of change constantly changes the brightness of LED, on the solar panels of the light-illuminating that this brightness constantly changes in another loop 1, the electric current that solar panel 1 is produced is the same with voice-frequency signalling current, thus drives the loudspeaker 5 in this loop to send the sound consistent with sound signal generating means 6.So just can hear that loudspeaker 5 sends the sound corresponding with wireless voice signal from another loop.In this process, the solar panel 1 in loudspeaker 5 loop receives the light changed from LED lamp panel 2, and the electromagnetic wave namely changed also is converted into corresponding audio electrical signal it, thus drives loudspeaker 5 sounding.
Composition graphs 1, is further elaborated principle of work of the present invention below:
(1) magnetic flux news demonstration part, is connected the movable contact spring A of second switch 10 with contact C, and the circuit that contact C is connected with transmitting coil 3 is connected.Receiving coil 4 is placed on correct position, opens sound signal generating means 6 and mix up volume, open loudspeaker power supply 8.With signal wire, sound signal is accessed transmitting coil 3 circuit again, by receiving coil 4 near transmitting coil 3, then loudspeaker 5 plays out the sound that sound signal generating means 6 is play.The position of any change receiving coil 4 and direction, can be observed the change of loudspeaker 5 in volume.
(2) optical communication demonstration part, is connected the movable contact spring A of second switch 10 with contact B, and the circuit that contact B is connected with LED lamp panel 2 is connected.As Fig. 1 is together in series sound signal generating means 6, LED power supply 7, first switch 9 and LED lamp panel 2 formation first loop respectively.By Fig. 1, loudspeaker 5 and solar panel 1 to be got up formation second independently loop by wired in series, solar panel 1 and LED lamp panel 2 are erected next respectively with iron stand and make their horizontal symmetrical as far as possible, device is enable to allow more light shine on solar panel 1 when testing, turn on radio and circuit power switch, slowly regulate solar panel 1 and the distance of LED lamp panel 2, the change of the size power of sound can be heard.Keep solar panel 1 can hear the change of sound with the size of the Distance geometry position adjustments radio volume of LED lamp panel 2.
Claims (10)
1. a magneto-optic communication combined demonstration instrument, it is characterized in that: comprise solar panel (1), LED lamp panel (2) and insulated substrate (11), and the transmitting coil (3) be fixed on insulated substrate, receiving coil (4), loudspeaker (5), sound signal generating means (6), LED power supply (7), loudspeaker power supply (8), first switch (9), second switch (10), described LED power supply (7) is powered to described LED lamp panel (2), described loudspeaker power supply (8) is powered to described loudspeaker (5), described solar panel (1) and receiving coil (4) are connected with described loudspeaker power supply (8) respectively, the contact B of described second switch (10) is connected with described LED lamp panel (2), described second switch (10) contact C is connected with described transmitting coil (3), when the movable contact spring A of described second switch (10) is connected with contact B, again with described sound signal generating means (6), first switch (9), LED power supply (7) and LED lamp panel (2) optical communication illustrative circuitry in series, when the movable contact spring A of described second switch (10) is connected with contact C, again with described sound signal generating means (6), first switch (9) and transmitting coil (3) magnetic flux news in series illustrative circuitry.
2. a kind of magneto-optic communication combined demonstration instrument according to claim 1, is characterized in that: described insulated substrate (11) thickness is 0.01 ~ 5mm.
3. a kind of magneto-optic communication combined demonstration instrument according to claim 1, it is characterized in that: described transmitting coil (3) resistance is 16 to 20 ohm, the number of turn is 800 to 1000 circles, and transmitting coil (3) shape is circular, oval or square configuration.
4. a kind of magneto-optic communication combined demonstration instrument according to claim 1, it is characterized in that: described receiving coil (4) resistance is at 4.3 to 5 ohm, the number of turn is 200 to 300 circles, and receiving coil (4) shape is circular, oval or square configuration.
5. a kind of magneto-optic communication combined demonstration instrument according to claim 1, is characterized in that: described LED lamp panel (2) is formed in parallel by 24 to 36 LED.
6. a kind of magneto-optic communication combined demonstration instrument according to claim 1, is characterized in that: described sound signal generating means (6) adopts radio, MP3, MP4 or microphone, and its operating voltage is the DC voltage of 2.7V to 3.3V.
7. a kind of magneto-optic communication combined demonstration instrument according to claim 1, is characterized in that: during described loudspeaker (8) work, voltage is 3.7V to 5V, and electric current is 0.6A to 0.81A, and power is 3W.
8. a kind of magneto-optic communication combined demonstration instrument according to claim 1, is characterized in that: described LED power supply (7) is direct supply, and voltage is 12V to 18V.
9. a kind of magneto-optic communication combined demonstration instrument according to claim 1, is characterized in that: the power of described solar panel (1) is 3W, and voltage is 6V.
10. a kind of magneto-optic communication combined demonstration instrument according to claim 1,3,4,5 or 9, is characterized in that: the distance and bearing that the distance and bearing between described transmitting coil (3) and receiving coil (4) is adjustable, described between LED lamp panel (2) and solar panel (1) is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510561645.7A CN105096713A (en) | 2015-09-07 | 2015-09-07 | Magneto-optical communication combined demonstration instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510561645.7A CN105096713A (en) | 2015-09-07 | 2015-09-07 | Magneto-optical communication combined demonstration instrument |
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| CN105096713A true CN105096713A (en) | 2015-11-25 |
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| CN201510561645.7A Pending CN105096713A (en) | 2015-09-07 | 2015-09-07 | Magneto-optical communication combined demonstration instrument |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0888603A (en) * | 1994-09-16 | 1996-04-02 | Satoru Sasaki | Voice, image, data communication equipment using light source and solar battery |
| JPH1124552A (en) * | 1997-07-01 | 1999-01-29 | Gakken Co Ltd | Optical communication learning set |
| CN2565094Y (en) * | 2002-05-24 | 2003-08-06 | 冯长军 | Sound, light and magnetic combined experiment teaching aid |
| CN101236679A (en) * | 2008-03-04 | 2008-08-06 | 南京化工职业技术学院 | Communication Sound and Light Annunciator |
| CN101702283A (en) * | 2009-11-24 | 2010-05-05 | 上海市莘格高级中学 | Device for demonstrating electromagnetic coupling transmission experiment |
| CN104064084A (en) * | 2014-06-25 | 2014-09-24 | 南宁市第二中学 | Electromagnetic wave demonstration teaching aid |
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| CN104794969A (en) * | 2014-01-19 | 2015-07-22 | 薛德宽 | Short-distance LED visible light audio transmission demonstration instrument |
| CN205104122U (en) * | 2015-09-07 | 2016-03-23 | 李耀俊 | Magneto -optic information and publicity section costars and shows appearance |
-
2015
- 2015-09-07 CN CN201510561645.7A patent/CN105096713A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0888603A (en) * | 1994-09-16 | 1996-04-02 | Satoru Sasaki | Voice, image, data communication equipment using light source and solar battery |
| JPH1124552A (en) * | 1997-07-01 | 1999-01-29 | Gakken Co Ltd | Optical communication learning set |
| CN2565094Y (en) * | 2002-05-24 | 2003-08-06 | 冯长军 | Sound, light and magnetic combined experiment teaching aid |
| CN101236679A (en) * | 2008-03-04 | 2008-08-06 | 南京化工职业技术学院 | Communication Sound and Light Annunciator |
| CN101702283A (en) * | 2009-11-24 | 2010-05-05 | 上海市莘格高级中学 | Device for demonstrating electromagnetic coupling transmission experiment |
| CN104794969A (en) * | 2014-01-19 | 2015-07-22 | 薛德宽 | Short-distance LED visible light audio transmission demonstration instrument |
| CN104064084A (en) * | 2014-06-25 | 2014-09-24 | 南宁市第二中学 | Electromagnetic wave demonstration teaching aid |
| CN203910127U (en) * | 2014-06-25 | 2014-10-29 | 南宁市第二中学 | Electromagnetic wave demonstration teaching tool |
| CN205104122U (en) * | 2015-09-07 | 2016-03-23 | 李耀俊 | Magneto -optic information and publicity section costars and shows appearance |
Non-Patent Citations (2)
| Title |
|---|
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Application publication date: 20151125 |
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