CN112216251A - Luminous device of metal string guitar - Google Patents
Luminous device of metal string guitar Download PDFInfo
- Publication number
- CN112216251A CN112216251A CN202011068994.2A CN202011068994A CN112216251A CN 112216251 A CN112216251 A CN 112216251A CN 202011068994 A CN202011068994 A CN 202011068994A CN 112216251 A CN112216251 A CN 112216251A
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- China
- Prior art keywords
- magnetic
- cavity
- electrically connected
- circuit board
- circuit
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 title claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 28
- 229920003023 plastic Polymers 0.000 claims abstract description 16
- 239000004033 plastic Substances 0.000 claims abstract description 16
- 230000006698 induction Effects 0.000 claims description 12
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005034 decoration Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 abstract description 4
- 230000005389 magnetism Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D1/00—General design of stringed musical instruments
- G10D1/04—Plucked or strummed string instruments, e.g. harps or lyres
- G10D1/05—Plucked or strummed string instruments, e.g. harps or lyres with fret boards or fingerboards
- G10D1/08—Guitars
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D3/00—Details of, or accessories for, stringed musical instruments, e.g. slide-bars
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Stringed Musical Instruments (AREA)
Abstract
The invention discloses a light-emitting device of a metal string guitar, which comprises a plastic outer shell, wherein a cavity is formed in the plastic outer shell, a buffer layer is arranged in the horizontal direction of the cavity, the buffer layer divides the cavity into an upper cavity and a lower cavity, a magnetic strip is arranged on one side of the buffer layer close to the upper cavity, a circuit board and a battery holder are arranged in the lower cavity, and an amplifying circuit board is electrically connected with the battery holder; the magnetic column and the LED spotlight are embedded in the outer wall of the upper cavity, the magnetic column penetrates out of the outer wall of the upper cavity, the bottom end of the magnetic column is connected with the buffer layer, and a coil is wound on the side wall of the magnetic column in the upper cavity; the LED spotlight is electrically connected with the circuit board, and the coil is electrically connected with the circuit board. Compared with the original more simple decoration, the invention can have a more cool display effect, and increases the fun in the boring piano learning process. Can assist the training of stirring the string dynamics, popular saying, the dynamics of stirring the string is big more, and LED shot-light is bright more.
Description
Technical Field
The invention belongs to the technical field of electromagnetic induction, and relates to a light-emitting device of a metal string guitar.
Background
Nowadays, guitars are gradually entering people's lives, especially ballad guitars, and are widely popular among most students and amateurs. With the increasing pursuit of individuality, the traditional decoration (sticker) of the guitar cannot meet the requirements of people, and the appearance of the guitar can be changed and even the sound effect of the guitar can be influenced. When the information age is reached, some ornaments also need to realize informatization so as to achieve a cool effect and meet the personalized pursuit of people.
Disclosure of Invention
The invention aims to provide a light-emitting device of a metal string guitar, and solves the problem that a guitar ornament is single in the prior art.
The technical scheme adopted by the invention is that the light-emitting device of the metal string guitar comprises a plastic outer shell, wherein a cavity is formed in the plastic outer shell, a buffer layer is arranged in the horizontal direction of the cavity, the buffer layer divides the cavity into an upper cavity and a lower cavity, a magnetic strip is arranged on one side of the buffer layer close to the upper cavity, a circuit board and a battery holder are arranged in the lower cavity, and an amplifying circuit board is electrically connected with the battery holder; the magnetic column and the LED spotlight are embedded in the outer wall of the upper cavity, the magnetic column penetrates out of the outer wall of the upper cavity, the bottom end of the magnetic column is connected with the buffer layer, and a coil is wound on the side wall of the magnetic column in the upper cavity; the LED spotlight is electrically connected with the circuit board, and the coil is electrically connected with the circuit board.
The invention is also characterized in that:
the installation bayonet is seted up to outside casing both ends tip of plastics, and plastics installation bayonet is U type groove, and the screw has been seted up to installation bayonet both ends lateral wall, is provided with positioning screw in the screw.
The circuit board is provided with an amplifying circuit and a load circuit, the amplifying circuit is electrically connected with an induction circuit, the induction circuit comprises a magnetic column, a magnetic strip and a coil, the positive electrode of the output end of the induction circuit is electrically connected with the positive electrode of the input end of the amplifying circuit, and the negative electrode of the induction circuit is grounded;
the amplifying circuit is arranged in the LM234 type chip, the LM234 type chip is fixedly connected to the circuit board, the positive electrode of the amplifying circuit is electrically connected with the positive electrode of the load circuit, and the negative electrode of the amplifying circuit is grounded;
the load circuit comprises a current limiting resistor, the current limiting resistor is electrically connected with the LED spotlight, the positive pole of the load circuit is electrically connected with the positive pole of the output end of the amplifying circuit, and the negative pole of the load circuit is grounded.
The magnetic stripe of the magnetic stripe is long and narrow NS grade of ferrite permanent magnetic material, the magnetic stripe is close to the pole N of the pole of the magnetism post, keeps away from the pole S of the pole of the magnetism post, and the distance between the magnetic stripe and the magnetism post is 3-5 mm.
The battery seat is two 7# battery seats of national standard, and battery, the two positive and negative poles that battery one end is established ties, and the battery is drawn forth to another end are two lines and circuit board electric connection.
The quantity of magnetism post is 6, and 6 magnetism post evenly distributed are in the string below, apart from the string 5 ~ 8mm, and the magnetism post is cast iron material.
The coil is a copper enameled wire.
The LED spotlight is a lamp bead with rated voltage of 3 v.
The invention has the beneficial effects that:
1. the strength of the spotlight is in direct proportion to the vibration strength of the strings, so that the training of a guitar player can be assisted, and the player can better regulate the action of the player.
2. The decoration style of the guitar is more personalized, the tide flu can be more highlighted compared with the traditional decoration, and the playing is rich in the change of the temperament.
3. The invention is arranged at the sound hole part of the guitar, and the sound production effect and the tone quality of the guitar cannot be influenced. The subsequent generation of a more cool effect can also be associated with the scattering device.
Drawings
FIG. 1 is a schematic view of the structure of the light emitting device of a metal stringed guitar of the present invention;
FIG. 2 is a top view of the light emitting device of a metal stringed guitar of the present invention;
FIG. 3 is a cross-sectional view of the light emitting device of a metal stringed guitar of the present invention;
FIG. 4 is a side view of the light emitting device of a metal stringed guitar of the present invention;
FIG. 5 is a top view of the interior of the cavity of the light emitting device of a metal stringed guitar of the present invention;
FIG. 6 is a lower internal structure view of the cavity of the light emitting device of a metal stringed guitar of the present invention;
FIG. 7 is a circuit diagram of the light emitting device of a metal stringed guitar of the present invention;
in the figure, 1 is a plastic outer shell, 1-1 is an upper layer cavity, 1-2 is a lower layer cavity, 2 is an installation bayonet, 3 is a positioning screw rod, 4 is a magnetic column, 5 is an LED spotlight, 6 is a circuit board, 7 is a battery holder, 8 is a buffer layer, 9 is a magnetic strip, 9-1 is a magnetic strip N pole, 9-2 is an S pole, and 10 is a coil.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
A luminous device of a metal string guitar is structurally shown in figures 1, 2 and 3 and comprises a plastic outer shell 1, wherein a cavity is formed in the plastic outer shell 1, a buffer layer 8 is arranged in the cavity in the horizontal direction, the buffer layer 8 divides the cavity into an upper cavity 1-1 and a lower cavity 1-2, a magnetic strip 9 is arranged on one side, close to the upper cavity, of the buffer layer 8, as shown in figure 6, a circuit board 6 and a battery holder 7 are arranged in the lower cavity 1-2, and the amplifying circuit board 6 is electrically connected with the battery holder 7;
as shown in fig. 5, the magnetic pillar 4 and the LED spotlight 5 are embedded in the outer wall of the upper cavity, the magnetic pillar 4 penetrates out of the outer wall of the upper cavity 1-2, the bottom end of the magnetic pillar is connected with the buffer layer 8, and the coil 10 is wound on the side wall of the magnetic pillar 4 in the upper cavity 1-2;
the LED spotlight 5 is electrically connected with the circuit board 6, and the coil 10 is electrically connected with the circuit board 6.
As shown in fig. 4, mounting bayonets 2 are formed at the end portions of the two ends of the plastic outer shell 1, the plastic mounting bayonets 2 are U-shaped grooves, screw holes are formed in the side walls of the two ends of the mounting bayonets 2, and positioning screws 3 are arranged in the screw holes.
As shown in fig. 7, the circuit board 6 is provided with an amplifying circuit and a load circuit, the amplifying circuit is electrically connected with an induction circuit, the induction circuit comprises a magnetic column 4, a magnetic strip 9 and a coil 10, the positive electrode of the output end of the induction circuit is electrically connected with the positive electrode of the input end of the amplifying circuit, and the negative electrode of the induction circuit is grounded;
the amplifying circuit is arranged in the LM234 type chip, the LM234 type chip is fixedly connected to the circuit board 6, the positive pole of the amplifying circuit is electrically connected with the positive pole of the load circuit, and the negative pole of the amplifying circuit is grounded;
the load circuit comprises a current limiting resistor, the current limiting resistor is electrically connected with the LED spotlight 5, the positive pole of the load circuit is electrically connected with the positive pole of the output end of the amplifying circuit, and the negative pole of the load circuit is grounded.
The magnetic strip 9 is made of ferrite permanent magnet materials and is long and narrow in NS level, the pole N9-1 of the magnetic strip 9 close to the magnetic column 4 is the pole S9-2 far away from the magnetic column 4, and the distance between the magnetic strip 9 and the magnetic column 4 is 3-5 mm.
The battery seat 7 is a national standard two-section 7# battery seat, one end of the battery seat 7 is connected with the battery in series, and the other end is led out of two positive and negative wires of the battery and is electrically connected with the circuit board 6.
The quantity of magnetic columns 4 is 6, 6 magnetic columns 4 evenly distributed are 5-8mm away from the strings below the strings, and the magnetic columns 4 are made of cast iron, so that the larger magnetism can be reserved, and the performance and the stability of the system are improved.
The coil 10 is a copper enameled wire.
The LED spotlight 5 is a lamp bead with rated voltage of 3v and can emit light beams.
The main components of the luminous device of the metal string guitar are as follows:
the plastic outer shell 1 is used for protecting and accommodating a battery, a battery seat 7, a magnetic strip 9, a magnetic column 4, a coil 10 and components of the light-emitting device;
the battery seat 7 is used for installing and fixing a battery and leading out a power line;
the magnetic strip 9 is used for magnetizing the magnetic column to enable the magnetic column to have magnetism;
the magnetic columns 4 are used for magnetizing the metal strings to enable the metal strings to have magnetism, and one magnetic column is arranged below each corresponding string;
the coils 10 are used for generating induced electromotive force, so that the induced electromotive force can be conveniently used for signal amplification processing in the follow-up process, and one coil corresponds to each magnetic column;
the amplifying circuit is used for amplifying the signal generated by the coil and then driving the LED spotlight;
the LED spot lamps 5 are used for emitting light and are respectively arranged below the corresponding strings;
and the current limiting resistors are used for limiting circuits in the load circuit and preventing the LED spotlight from being burnt out, and one current limiting resistor is arranged corresponding to each LED spotlight.
The invention relates to a light-emitting device of a metal string guitar, which comprises the following working processes:
the magnetic pole 4 is magnetized by the N pole 9-1 of the magnetic strip, so that the lower end of the magnetic pole 4 is provided with an S pole, and the upper end is provided with an N pole. Since the metal string is located 5-8mm above the magnetic cylinder, the magnetic property of the upper end of the magnetic cylinder 4 can magnetize the string. The lower half part of the string is provided with an S pole, the upper half part of the string is provided with an N pole, and a magnetic force field is generated around the string. When the string above the magnetic pole 4 and the coil 10 vibrates, the coil 10 and the string have relative motion in magnetic force field. According to lenz's law, a corresponding induced electromotive force is generated in the coil 10, and at the moment, relative voltage is generated at two ends of the coil, so that a small current is generated when the coil is connected to an amplifying circuit of the circuit board 6. The current for driving the LED spotlight 5 can be generated after passing through the amplifying circuit, and the intensity of the relative motion can influence the magnitude of the corresponding induced electromotive force, so that the final driving current is influenced, and the effect that the brightness of the LED spotlight 5 changes along with the vibration amplitude change of the strings can be generated.
The invention relates to a light-emitting device of a metal string guitar, which has the advantages that: compared with the original more simple decoration, the invention can have a more cool display effect, and increases the fun in the boring piano learning process. Can assist the training of stirring the string dynamics, popular saying, the dynamics of stirring the string is big more, and LED shot-light is bright more.
Claims (8)
1. The light-emitting device of the metal string guitar is characterized by comprising a plastic outer shell (1), wherein a cavity is formed in the plastic outer shell (1), a buffer layer (8) is arranged in the cavity in the horizontal direction, the buffer layer (8) divides the cavity into an upper cavity (1-1) and a lower cavity (1-2), a magnetic strip (9) is arranged on one side, close to the upper cavity (1-1), of the buffer layer (8), a circuit board (6) and a battery holder (7) are arranged in the lower cavity (1-2), and the amplifying circuit board (6) is electrically connected with the battery holder (7);
the magnetic column (4) and the LED spotlight (5) are embedded in the outer wall of the upper cavity, the magnetic column (4) penetrates through the outer wall of the upper cavity (1-1), the bottom end of the magnetic column is connected with the buffer layer (8), and a coil (10) is wound on the side wall of the magnetic column (4) in the upper cavity (1-1);
the LED spot lamp (5) is electrically connected with the circuit board (6), and the coil (10) is electrically connected with the circuit board (6).
2. The light-emitting device of a metal string guitar as claimed in claim 1, wherein the plastic outer casing (1) has mounting bayonets (2) at both ends, the plastic mounting bayonets (2) are U-shaped grooves, the side walls of both ends of the mounting bayonets (2) have screw holes, and the screw holes are provided with positioning screws (3).
3. The light-emitting device of a metal string guitar as claimed in claim 1, wherein the circuit board (6) is provided with an amplifying circuit and a load circuit, the amplifying circuit is electrically connected with an induction circuit, the induction circuit comprises a magnetic pillar (4), a magnetic stripe (9) and a coil (10), the positive electrode of the output end of the induction circuit is electrically connected with the positive electrode of the input end of the amplifying circuit, and the negative electrode of the induction circuit is grounded;
the amplifying circuit is arranged in the LM234 type chip, the LM234 type chip is fixedly connected to the circuit board (6), the positive electrode of the amplifying circuit is electrically connected with the positive electrode of the load circuit, and the negative electrode of the amplifying circuit is grounded;
the load circuit comprises a current limiting resistor, the current limiting resistor is electrically connected with the LED spotlight (5), the positive pole of the load circuit is electrically connected with the positive pole of the output end of the amplifying circuit, and the negative pole of the load circuit is grounded.
4. The lighting device of a metal string guitar as claimed in claim 1, characterized in that the magnetic strip of the magnetic strip (9) is a long and narrow NS-pole of ferrite permanent magnetic material, the pole (9-1) of the magnetic strip (9) close to the magnetic pillar (4) is N-pole (9-1), the pole (9-2) far away from the magnetic pillar (4) is S-pole, and the distance between the magnetic strip (9) and the magnetic pillar (4) is 3-5 mm.
5. The light-emitting device of a metal string guitar as claimed in claim 1, wherein the battery holder (7) is a national standard two 7# battery holders, one end of the battery holder (7) is connected with the battery in series, and the other end is connected with the circuit board (6) through two positive and negative wires leading out of the battery.
6. The light emitting device of a metal string guitar as claimed in claim 1, characterized in that the number of said magnetic columns (4) is 6, 6 magnetic columns (4) are evenly distributed under the strings at a distance of 5-8mm from the strings, and the magnetic columns (4) are made of cast iron.
7. Lighting device of a metal string guitar as claimed in claim 1, characterized in that the coil (10) is a copper enameled wire.
8. The lighting device of a metal string guitar as claimed in claim 1, characterized in that the LED spot light (5) is a lamp bead rated at 3 v.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011068994.2A CN112216251B (en) | 2020-09-30 | 2020-09-30 | Light-emitting device of metal string guitar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011068994.2A CN112216251B (en) | 2020-09-30 | 2020-09-30 | Light-emitting device of metal string guitar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112216251A true CN112216251A (en) | 2021-01-12 |
| CN112216251B CN112216251B (en) | 2024-02-06 |
Family
ID=74052785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011068994.2A Active CN112216251B (en) | 2020-09-30 | 2020-09-30 | Light-emitting device of metal string guitar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112216251B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0627963A (en) * | 1992-01-14 | 1994-02-04 | Fuerunandesu:Kk | Electronic stringed instrument |
| US5610357A (en) * | 1995-10-06 | 1997-03-11 | Frank-Braun; Michael | Stringed musical instrument pickup with two electromagnetic coil assemblies having toothed cores |
| US20130247744A1 (en) * | 2012-03-22 | 2013-09-26 | Bo Marcus Gustaf Helgesson | Stringed musical instrument with string activated light emitting members |
| CN103366724A (en) * | 2013-06-15 | 2013-10-23 | 龙高潮 | Multi-tone multi-sound-effect dual-part single-string instrument with music lamp |
| CN207182889U (en) * | 2017-08-29 | 2018-04-03 | 深圳市生辉煌电子有限公司 | A kind of luminous guitar |
| CN108694925A (en) * | 2018-06-01 | 2018-10-23 | 德阳好哲创意文化科技有限公司 | The night vision guitar of function is flashed with optical screen |
-
2020
- 2020-09-30 CN CN202011068994.2A patent/CN112216251B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0627963A (en) * | 1992-01-14 | 1994-02-04 | Fuerunandesu:Kk | Electronic stringed instrument |
| US5610357A (en) * | 1995-10-06 | 1997-03-11 | Frank-Braun; Michael | Stringed musical instrument pickup with two electromagnetic coil assemblies having toothed cores |
| US20130247744A1 (en) * | 2012-03-22 | 2013-09-26 | Bo Marcus Gustaf Helgesson | Stringed musical instrument with string activated light emitting members |
| CN103366724A (en) * | 2013-06-15 | 2013-10-23 | 龙高潮 | Multi-tone multi-sound-effect dual-part single-string instrument with music lamp |
| CN207182889U (en) * | 2017-08-29 | 2018-04-03 | 深圳市生辉煌电子有限公司 | A kind of luminous guitar |
| CN108694925A (en) * | 2018-06-01 | 2018-10-23 | 德阳好哲创意文化科技有限公司 | The night vision guitar of function is flashed with optical screen |
Non-Patent Citations (1)
| Title |
|---|
| 孙菁阳 等: "基于振动信号检测的弦乐器视听强化应用设计", 传感器与微系统, no. 07 * |
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| Publication number | Publication date |
|---|---|
| CN112216251B (en) | 2024-02-06 |
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