CN208848609U - The detachable Handy movable fingerboard of magnetic connection - Google Patents
The detachable Handy movable fingerboard of magnetic connection Download PDFInfo
- Publication number
- CN208848609U CN208848609U CN201821263455.2U CN201821263455U CN208848609U CN 208848609 U CN208848609 U CN 208848609U CN 201821263455 U CN201821263455 U CN 201821263455U CN 208848609 U CN208848609 U CN 208848609U
- Authority
- CN
- China
- Prior art keywords
- port
- key switch
- chip
- key
- switch
- 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
Landscapes
- Electrophonic Musical Instruments (AREA)
Abstract
The detachable Handy movable fingerboard of magnetic connection belongs to the detachable Handy movable fingerboard of musical instrument technical field more particularly to a kind of magnetic connection.The utility model provides a kind of detachable Handy movable fingerboard of magnetic connection.The utility model includes the multiple key blocks split by a fingerboard by fingerboard length direction, passes through magnetic connection between the adjacent key block that structural feature is linked in sequence.
Description
Technical field
The utility model belongs to the detachable Handy movable piano of musical instrument technical field more particularly to a kind of magnetic connection
Keyboard.
Background technique
Fender compact structure can allow player that can enjoy at any time and play enjoyment.Although fender is compared to traditional piano
Small in size, but fingerboard or longer long plate shape body, it is still not convenient enough to carry.
Summary of the invention
The utility model provides a kind of detachable Handy movable piano key of magnetic connection aiming at the above problem
Disk.
To achieve the above object, the utility model adopts the following technical solution, and the utility model includes by a piano key
Disk presses multiple key blocks that fingerboard length direction is split, and passes through magnetic force between the adjacent key block that structural feature is linked in sequence
Connection.
As a preferred embodiment, key block described in the utility model is seven octave key blocks.
As another preferred embodiment, key block described in the utility model includes that longitudinal section is transversally L-shaped key block main body, key
Block main body front end is upper projecting portion point, and upper projecting portion divides the key block main body upper end of rear end to be that key arranges area, and upper projecting portion divides side
Wall is embedded with the magnet for connecting with adjacent key block.
As another preferred embodiment, pronunciation circuit plate, pronunciation circuit are provided in octave key block described in the utility model
Plate circuit includes STC12C5A60S2 chip, LM386L chip and key switch corresponding with key, and key switch includes pressing
Key switch C, key switch D#, key switch F#, key switch A, key switch C#, key switch E, key switch G, key are opened
Close A#, key switch D, key switch F, key switch G#, key switch B；
The one end key switch C, the one end key switch D#, the one end key switch F#, the one end key switch A, key switch C#
One end, the one end key switch E, the one end key switch G, the one end key switch A#, the one end key switch D, the one end key switch F,
The one end key switch G#, the one end key switch B with the port P0.0 of STC12C5A60S2 chip or the port P2.2 or the end P2.1
Mouth is connected, the port P2.3 of another termination STC12C5A60S2 chip of key switch C, another termination of key switch D#
The port P2.6 of STC12C5A60S2 chip, the port P0.6 of another termination STC12C5A60S2 chip of key switch F#, key
The port P0.3 of another termination STC12C5A60S2 chip of switch A, another termination STC12C5A60S2 chip of key switch C4
The port P2.4, the port P2.7 of another termination STC12C5A60S2 chip of key switch E, another termination of key switch G
The port P0.5 of STC12C5A60S2 chip, the port P0.2 of another termination STC12C5A60S2 chip of key switch A#, key
The port P2.5 of another termination STC12C5A60S2 chip of switch D, another termination STC12C5A60S2 chip of key switch F
The port P0.7, the port P0.4 of another termination STC12C5A60S2 chip of key switch G#, another termination of key switch B
The port P0.1 of STC12C5A60S2 chip；
The port VCC of STC12C5A60S2 chip meets power supply VCC, and the port GND of STC12C5A60S2 chip is grounded,
The port P1.3 of STC12C5A60S2 chip connects the port+INPUT of LM386L chip, the port-INPUT of LM386L chip and
The port GND ground connection, 1 port foot GAIN of LM386L chip are connected with first capacitor anode, and first capacitor cathode connects LM386L core
8 ports foot GAIN of piece, the port Vs of LM386L chip meet power supply VCC, and the port Vout of LM386L chip and the second capacitor are just
Extremely it is connected, the second capacitor cathode connects loudspeaker input terminal mouth, connects loudspeaker ground terminal ground connection.
As another preferred embodiment, the port Vout of LM386L chip described in the utility model and receiver J-Horner input terminal
Mouth is connected, and loudspeaker ground terminal and receiver J-Horner ground terminal pass through single-pole double-throw switch (SPDT) and be grounded, receiver J-Horner ground terminal order knife
The first fixing end of commutator connects loudspeaker ground terminal order the second fixing end of double-pole double throw switch, single-pole double-throw switch (SPDT) struck side
Ground connection.
As another preferred embodiment, the port P3.6 of STC12C5A60S2 chip described in the utility model connects LED anode,
LED cathode connects the port P3.7 of STC12C5A60S2 chip.
As another preferred embodiment, the capacitance of first capacitor described in the utility model is 10 μ F.
As another preferred embodiment, the capacitance of the second capacitor described in the utility model is 100nF.
In addition, the power supply of promising each key block power supply is arranged in key block described in the utility model in the key block of front end.
The utility model beneficial effect.
The utility model forms a complete fingerboard by each key block of magnetic connection, can arbitrarily split connection simultaneously
It is walked with packaging, use is very convenient to carry.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawings and detailed description.Scope of protection of the utility model
It is not only limited to the statement of the following contents.
Fig. 1 is the utility model structure diagram.
Fig. 2 is structural schematic diagram after the utility model assembling.
Fig. 3 is the utility model octave key block circuit diagram.
In figure, 1 it is key block main body, 2 is key, 3 is upper projecting portion point.
Specific embodiment
As shown, the utility model includes the multiple keys for pressing the fractionation of fingerboard length direction by a fingerboard
Block passes through magnetic connection between the adjacent key block being linked in sequence.
The key block is seven octave key blocks.
The power supply of promising each key block power supply is set in the key block of front end in the key block.
Be provided with pronunciation circuit plate in the octave key block, pronunciation circuit plate circuit include STC12C5A60S2 chip,
LM386L chip and key switch corresponding with key, key switch include key switch C, key switch D#, key switch
F#, it key switch A, key switch C#, key switch E, key switch G, key switch A#, key switch D, key switch F, presses
Key switch G#, key switch B；
The one end key switch C, the one end key switch D#, the one end key switch F#, the one end key switch A, key switch C#
One end, the one end key switch E, the one end key switch G, the one end key switch A#, the one end key switch D, the one end key switch F,
The one end key switch G#, the one end key switch B with the port P0.0 of STC12C5A60S2 chip or the port P2.2 or the end P2.1
Mouth is connected, the port P2.3 of another termination STC12C5A60S2 chip of key switch C, another termination of key switch D#
The port P2.6 of STC12C5A60S2 chip, the port P0.6 of another termination STC12C5A60S2 chip of key switch F#, key
The port P0.3 of another termination STC12C5A60S2 chip of switch A, another termination STC12C5A60S2 chip of key switch C4
The port P2.4, the port P2.7 of another termination STC12C5A60S2 chip of key switch E, another termination of key switch G
The port P0.5 of STC12C5A60S2 chip, the port P0.2 of another termination STC12C5A60S2 chip of key switch A#, key
The port P2.5 of another termination STC12C5A60S2 chip of switch D, another termination STC12C5A60S2 chip of key switch F
The port P0.7, the port P0.4 of another termination STC12C5A60S2 chip of key switch G#, another termination of key switch B
The port P0.1 of STC12C5A60S2 chip；
The port VCC of STC12C5A60S2 chip meets power supply VCC, and the port GND of STC12C5A60S2 chip is grounded,
The port P1.3 of STC12C5A60S2 chip connects the port+INPUT of LM386L chip, the port-INPUT of LM386L chip and
The port GND ground connection, 1 port foot GAIN of LM386L chip are connected with first capacitor anode, and first capacitor cathode connects LM386L core
8 ports foot GAIN of piece, the port Vs of LM386L chip meet power supply VCC, and the port Vout of LM386L chip and the second capacitor are just
Extremely it is connected, the second capacitor cathode connects loudspeaker input terminal mouth, connects loudspeaker ground terminal ground connection.
Above-mentioned pronunciation circuit plate circuit power consumption is low, interference free performance is excellent, data processing speed is fast, distortion is small.
The port Vout of the LM386L chip is connected with receiver J-Horner input port, loudspeaker ground terminal and receiver J-Horner
Ground terminal is grounded by single-pole double-throw switch (SPDT), and receiver J-Horner ground terminal order the first fixing end of double-pole double throw switch connects loudspeaker and connects
Ground terminal order the second fixing end of double-pole double throw switch, single-pole double-throw switch (SPDT) struck side ground connection.Setting receiver J-Horner and single-pole double throw are opened
It closes, convenient for the conversion of mode playback and handset mode outside fingerboard sound.
The port P3.6 of the STC12C5A60S2 chip connects LED anode, and LED cathode connects STC12C5A60S2 chip
The port P3.7.LED, which is arranged, can show the working condition of key block.
The capacitance of the first capacitor is 10 μ F.
The capacitance of second capacitor is 100nF.
The key block includes that longitudinal section is transversally L-shaped key block main body, and key block body front end is upper projecting portion point, upper protrusion
The key block main body upper end of portion rear end is that key arranges area, and upper projecting portion divides side wall embedded with the magnetic for connecting with adjacent key block
Iron.
It is understood that being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being
It is limited to technical solution described in the utility model embodiment, those skilled in the art should understand that, it still can be with
It modifies to the utility model or equivalent replacement, to reach identical technical effect；Needs are used as long as meeting, all in this reality
Within novel protection scope.
Claims (8)
1. the detachable Handy movable fingerboard of magnetic connection, including fingerboard length direction is pressed by a fingerboard
The multiple key blocks split, it is characterised in that pass through magnetic connection between the adjacent key block being linked in sequence；
The key block includes that longitudinal section is transversally L-shaped key block main body, and key block body front end is upper projecting portion point, upper projecting portion point
The key block main body upper end of rear end is that key arranges area, and upper projecting portion divides side wall embedded with the magnet for connecting with adjacent key block.
2. the detachable Handy movable fingerboard of magnetic connection according to claim 1, it is characterised in that the key block
For seven octave key blocks.
3. the detachable Handy movable fingerboard of magnetic connection according to claim 2, it is characterised in that the octave
Pronunciation circuit plate is provided in key block, pronunciation circuit plate circuit includes STC12C5A60S2 chip, LM386L chip and and key
Corresponding key switch, key switch include that key switch C, key switch D#, key switch F#, key switch A, key are opened
Close C#, key switch E, key switch G, key switch A#, key switch D, key switch F, key switch G#, key switch B；
The one end key switch C, the one end key switch D#, the one end key switch F#, the one end key switch A, the one end key switch C#,
The one end key switch E, the one end key switch G, the one end key switch A#, the one end key switch D, the one end key switch F, key are opened
Pass one end G#, the one end key switch B are connected with the port P0.0 of STC12C5A60S2 chip or the port P2.2 or the port P2.1,
The port P2.3 of another termination STC12C5A60S2 chip of key switch C, another termination STC12C5A60S2 core of key switch D#
The port P2.6 of piece, the port P0.6 of another termination STC12C5A60S2 chip of key switch F#, another termination of key switch A
The port P0.3 of STC12C5A60S2 chip, the port P2.4 of another termination STC12C5A60S2 chip of key switch C4, key
The port P2.7 of another termination STC12C5A60S2 chip of switch E, another termination STC12C5A60S2 chip of key switch G
The port P0.5, the port P0.2 of another termination STC12C5A60S2 chip of key switch A#, another termination of key switch D
The port P2.5 of STC12C5A60S2 chip, the port P0.7 of another termination STC12C5A60S2 chip of key switch F, key are opened
The port P0.4 of another termination STC12C5A60S2 chip of G# is closed, another termination STC12C5A60S2 chip of key switch B
The port P0.1；
The port VCC of STC12C5A60S2 chip meets power supply VCC, and the port GND of STC12C5A60S2 chip is grounded,
The port P1.3 of STC12C5A60S2 chip connects the port+INPUT of LM386L chip, the port-INPUT of LM386L chip and
The port GND ground connection, 1 port foot GAIN of LM386L chip are connected with first capacitor anode, and first capacitor cathode connects LM386L core
8 ports foot GAIN of piece, the port Vs of LM386L chip meet power supply VCC, and the port Vout of LM386L chip and the second capacitor are just
Extremely it is connected, the second capacitor cathode connects loudspeaker input terminal mouth, connects loudspeaker ground terminal ground connection.
4. the detachable Handy movable fingerboard of magnetic connection according to claim 3, it is characterised in that described
The port Vout of LM386L chip is connected with receiver J-Horner input port, and loudspeaker ground terminal and receiver J-Horner ground terminal pass through list
It is double to connect loudspeaker ground terminal order knife for double-pole double throw switch ground connection, receiver J-Horner ground terminal order the first fixing end of double-pole double throw switch
The second fixing end of throw switch, single-pole double-throw switch (SPDT) struck side ground connection.
5. the detachable Handy movable fingerboard of magnetic connection according to claim 3, it is characterised in that described
The port P3.6 of STC12C5A60S2 chip connects LED anode, and LED cathode connects the port P3.7 of STC12C5A60S2 chip.
6. the detachable Handy movable fingerboard of magnetic connection according to claim 3, it is characterised in that described first
The capacitance of capacitor is 10 μ F.
7. the detachable Handy movable fingerboard of magnetic connection according to claim 3, it is characterised in that described second
The capacitance of capacitor is 100nF.
8. the detachable Handy movable fingerboard of magnetic connection according to claim 1, it is characterised in that the key block
The power supply of promising each key block power supply is set in the key block of middle front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263455.2U CN208848609U (en) | 2018-08-07 | 2018-08-07 | The detachable Handy movable fingerboard of magnetic connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263455.2U CN208848609U (en) | 2018-08-07 | 2018-08-07 | The detachable Handy movable fingerboard of magnetic connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208848609U true CN208848609U (en) | 2019-05-10 |
Family
ID=66355213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821263455.2U Active CN208848609U (en) | 2018-08-07 | 2018-08-07 | The detachable Handy movable fingerboard of magnetic connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208848609U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246474A (en) * | 2019-06-25 | 2019-09-17 | 深圳市华芯康微科技有限公司 | A kind of magnetic force fingerboard component |
| EP3614371B1 (en) * | 2017-04-20 | 2022-01-19 | Pocketpiano, S.L. | Modular piano keyboard |
-
2018
- 2018-08-07 CN CN201821263455.2U patent/CN208848609U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3614371B1 (en) * | 2017-04-20 | 2022-01-19 | Pocketpiano, S.L. | Modular piano keyboard |
| CN110246474A (en) * | 2019-06-25 | 2019-09-17 | 深圳市华芯康微科技有限公司 | A kind of magnetic force fingerboard component |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208848609U (en) | The detachable Handy movable fingerboard of magnetic connection | |
| CN206596163U (en) | A kind of K sings microphone | |
| CN204189443U (en) | A kind of effect device device of bowed instrument | |
| CN2929901Y (en) | Electric violin | |
| CN205230401U (en) | Early religion machine of intelligence | |
| CN211858120U (en) | Multifunctional drama piano | |
| CN203243502U (en) | Mobile power supply portable sound equipment | |
| CN203181203U (en) | Multimedia loudspeaker box | |
| CN214752914U (en) | Electronic musical instrument | |
| CN210156109U (en) | Thing networking wisdom piano system | |
| CN201477867U (en) | Multifunctional electric bass capable of emitting light | |
| CN205647901U (en) | From microphone of taking audio player | |
| CN105023556A (en) | Music box design based on AT 89S52 | |
| CN203233529U (en) | Multifunctional electric guitar sound box | |
| CN204741551U (en) | Multi -functional stereo set | |
| CN201779696U (en) | Voice advertising lighter | |
| WO2007132235A3 (en) | Musical instrument comprising a stringed body in a closed cavity | |
| CN204561079U (en) | The working cap of three-dimensional sound can be play | |
| CN106297758A (en) | A kind of electric guitar of band sound-recording function | |
| CN202550249U (en) | Multifunctional media player switch line | |
| CN203813917U (en) | Multifunctional loudspeaker box plugged with electronic musical instrument | |
| CN203205034U (en) | Improved electronic organ | |
| CN202758602U (en) | An electronic organ equipped with a MP3 playing device and an electronic piano equipped with a MP3 playing device | |
| CN204634029U (en) | Comb qin is performed music box | |
| CN202999394U (en) | Electronic organ glove set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |