CN207052285U - A kind of piano key dynamics harvester - Google Patents
A kind of piano key dynamics harvester Download PDFInfo
- Publication number
- CN207052285U CN207052285U CN201721027924.6U CN201721027924U CN207052285U CN 207052285 U CN207052285 U CN 207052285U CN 201721027924 U CN201721027924 U CN 201721027924U CN 207052285 U CN207052285 U CN 207052285U
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- key
- dynamics
- piano
- midi data
- photoelectric sensor
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Abstract
A kind of piano key dynamics harvester, including pcb board, and it is arranged on photoelectric sensor, high-velocity scanning switch, main control MCU and MIDI data output unit on pcb board, the photoelectric sensor is located at below key, the quantity of photoelectric sensor is some, and corresponded with each key, the main control MCU is electrically connected by high-velocity scanning switch with photoelectric sensor, to gather the dynamics signal of key；The MIDI data output unit is electrically connected with main control MCU, and MIDI data output unit is used to be connected with intelligent terminal, and the dynamics signal of the key of above-mentioned collection is transferred into intelligent terminal.Piano key dynamics harvester of the present utility model can realize that integral type is fixedly mounted, and different piano constructions can be adapted to by free adjusting position, be easily installed and signal acquisition；In addition, being combined using photoelectric sensor and high-velocity scanning switch, to catch the keystroke dynamics of key, dynamics performance can reach 127 grades, can real simulation piano playing.
Description
Technical field
It the utility model is related to bracelet production equipment technology, and in particular to one kind is used for traditional piano intellectualized reconstruction
Piano key dynamics harvester.
Background technology
Piano dynamics harvester, it is that the signal from key is handled by dynamics analog circuit, makes output
Signal play the dynamics size of key with player and change.
In the prior art, the dynamics harvester of traditional piano is all fixed that its installation is more complicated, can only adapt to one
The piano of fraction, piano is easily damaged, and the keystroke dynamics caught are not abundant enough, and it is unable to the MIDI equipment of compatibility standard.
Utility model content
The utility model is in order to solve above mentioned problem existing for prior art, there is provided a kind of piano key dynamics collection dress
Put, it is not abundant enough to keystroke dynamics seizure to solve existing piano dynamics harvester, and it is unable to the MIDI equipment of compatibility standard
Technical problem.
To achieve the above object, the utility model provides a kind of piano key dynamics harvester, is fixedly installed in steel
Below the keyboard of qin key, including pcb board, and be arranged on pcb board photoelectric sensor, high-velocity scanning switch, main control MCU
With MIDI data output unit, the photoelectric sensor is located at below key, and the quantity of photoelectric sensor is some, and with it is each
Key is corresponded, and the main control MCU is electrically connected by high-velocity scanning switch with photoelectric sensor, to gather the dynamics of key letter
Number；The MIDI data output unit is electrically connected with main control MCU, and MIDI data output unit is used to be connected with intelligent terminal, with
The dynamics signal of the key of above-mentioned collection is transferred to intelligent terminal.
As further preferred technical scheme of the present utility model, the bottom of the key position relative with photoelectric sensor
Put and stick reflection plaster.
As further preferred technical scheme of the present utility model, reflection plaster and light when key presses set by its bottom
The distance between electric transducer is 3 ~ 5mm.
As further preferred technical scheme of the present utility model, the MIDI data output unit includes wireless MIDI numbers
According to transport module and wired MIDI data transport module.
As further preferred technical scheme of the present utility model, the wireless MIDI data transport module is bluetooth mould
Block, wired MIDI data transport module are USB MIDI data interfaces.
As further preferred technical scheme of the present utility model, the pedal of piano is provided with switch, is set on the pcb board
There is the pedal connecting seat for connecting valve, the main control MCU is connected to gather soft pedal by pedal connecting seat with switch
On-off model.
As further preferred technical scheme of the present utility model, the key dynamics harvester also includes being provided with fixing
Mechanism, the fixed mechanism include mounting seat, regulation spring, upper and lower set screw and left and right adjusting screw, the mounting seat into
The left and right sides to being arranged on pcb board, the mounting seat are pressed on regulation spring and are fixed on piano by upper and lower set screw
On mounting base below key, fixed between the pcb board and mounting seat by left and right adjusting screw.
Piano key dynamics harvester of the present utility model can reach following beneficial effect：
1）All devices are integrated on pcb board so as to realize that integral type is fixedly mounted, and can pass through free adjusting position
To adapt to different piano constructions, it is easily installed and signal acquisition；
2）It is combined using photoelectric sensor and high-velocity scanning switch, to catch the keystroke dynamics of key, dynamics performance
127 grades can be reached, can real simulation piano playing；
3）Integrated MIDI data output unit, intelligent terminal can be connected and realize interaction.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the mounting structure schematic diagram of the utility model piano key dynamics harvester；
Fig. 2 is the system block diagram for the example that the utility model piano key dynamics harvester provides；
Fig. 3 is the structural representation for the example that the utility model piano key dynamics harvester provides；
Fig. 4 is the decomposing schematic representation of fixed mechanism in the utility model Fig. 3.
In figure：1st, pcb board, 101, main control MCU, 102, photoelectric sensor, 103, high-velocity scanning switch, 104, pedal connection
Seat, 105, bluetooth MIDI modules, 106, USB MIDI data interfaces, 2, reflection plaster, 3, key, 4, fixed mechanism, 401, up and down
Set screw, 402, left and right adjusting screw, 403, mounting seat, 404, regulation spring.
The utility model purpose is realized, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further.In preferred embodiment
Cited such as " on ", " under ", "left", "right", only " centre " and " one " term, understanding for ease of narration, and be not used to
The enforceable scope of the utility model is limited, its relativeness is altered or modified, in the case where changing technology contents without essence, when also
It is considered as the enforceable category of the utility model.
Fig. 1 is the scheme of installation of the utility model piano key dynamics harvester, and Fig. 2 is the utility model piano
The system block diagram for the example that bonding force degree harvester provides, as depicted in figs. 1 and 2, piano key dynamics harvester is fixed
Be installed on below the keyboard of piano key 3, including pcb board 1, and be arranged on pcb board 1 photoelectric sensor 102, sweep at a high speed
Switch 103, main control MCU 101 and MIDI data output unit are retouched, the photoelectric sensor 102 is located at the lower section of key 3, photoelectric transfer
The quantity of sensor 102 is corresponded with each key 3 to be some, the main control MCU 101 by high-velocity scanning switch 103 with
Photoelectric sensor 102 is electrically connected, to gather the dynamics signal of key 3；The MIDI data output unit and the electricity of main control MCU 101
It is connected, MIDI data output unit is used to be connected with intelligent terminal, and the dynamics signal of the key 3 of above-mentioned collection is transferred into intelligence
Can terminal.
Reflection plaster 2 is sticked in the position that the bottom of the key 3 is relative with photoelectric sensor 102, its bottom when key 3 presses
The distance between reflection plaster 2 and photoelectric sensor 102 set by portion are 3 ~ 5mm, to ensure the optimum efficiency of photoelectric reflection.
The MIDI data output unit includes wireless MIDI data transport module and wired MIDI data transport module, institute
It is bluetooth module to state wireless MIDI data transport module, and wired MIDI data transport module is USB MIDI data interfaces
106。
In specific implementation, the pedal of piano is provided with switch, and the pcb board 1 is provided with to be connected for the pedal of connecting valve
Joint chair 104, the main control MCU 101 are connected to gather the on-off model of soft pedal by pedal connecting seat 104 with switch.
Fig. 3 is the structural representation for the example that the utility model piano key dynamics harvester provides, and Fig. 4 is this reality
With the decomposing schematic representation of fixed mechanism 4 in new Fig. 3, as shown in Figure 3 and Figure 4, the key dynamics harvester also includes setting
There is fixed mechanism 4, the fixed mechanism 4 includes mounting seat 403, regulation spring 404, upper and lower set screw 401 and left and right adjusting
Screw 402, the mounting seat 403 are arranged in pairs in the left and right sides of pcb board 1, and the mounting seat 403 is pressed in regulation spring 404
It is upper and be fixed on by upper and lower set screw 401 on the mounting base below piano key, the pcb board 1 and mounting seat 403 it
Between fixed by left and right adjusting screw 402.Fixed pcb board 1 is installed using fixed mechanism 4, can freely be adjusted by mounting seat 403
The position of pcb board 1 adapts to different piano constructions, is easily installed the collection with key dynamics signal.
In order to facilitate installation, transport and carry, pcb board 1 can be set to polylith, need to only carry out electrically assembly when mounted even
Connect.
The installation steps of PDB plates are specific as follows：
1st, regulation spring 404, then use lower set screw 401 and be fixed to piano bottom up and down is installed in mounting seat 403
On plate,
2nd, pcb board 1 is placed in mounting seat 403, and moves left and right adjusting position to correspond to position of piano key, used during installation
Photoelectric sensor 102 determines installation site, so that photoelectric sensor 102 corresponds with key 3, finally with left and right adjusting spiral shell
Silk 402 fixes pcb board 1.
3rd, elevation carrection is carried out with slide calliper rule, then adjusts upper and lower set screw 401 to ensure key and photoelectric sensor 102
Distance, ensure that distance when photoelectric transfer device 102 is pressed with key 3 is 3-5mm, 4mm is optimal.
4th, pedal line and USB line are connected, all keys are installed back into qin body can installation.
Although the foregoing describing specific embodiment of the present utility model, those skilled in the art should manage
Solution, these are merely illustrative of, and various changes or modifications can be made to present embodiment, without departing from original of the present utility model
Reason and essence, the scope of protection of the utility model are only limited by the claims that follow.
Claims (7)
1. a kind of piano key dynamics harvester, it is fixedly installed in below the keyboard of piano key, it is characterised in that including
Pcb board, and photoelectric sensor, high-velocity scanning switch, main control MCU and the MIDI data output unit being arranged on pcb board, institute
State photoelectric sensor to be located at below key, the quantity of photoelectric sensor is some, and is corresponded with each key, the master control
MCU is electrically connected by high-velocity scanning switch with photoelectric sensor, to gather the dynamics signal of key；The MIDI data output is single
Member is electrically connected with main control MCU, and MIDI data output unit is used to be connected with intelligent terminal, by the dynamics of the key of above-mentioned collection
Signal is transferred to intelligent terminal.
2. according to the piano key dynamics harvester described in claim 1, it is characterised in that the bottom of the key and photoelectricity
Stick reflection plaster in the relative position of sensor.
3. according to the piano key dynamics harvester described in claim 2, it is characterised in that its bottom institute when key presses
If reflection plaster and the distance between photoelectric sensor be 3~5mm.
4. according to the piano key dynamics harvester described in any one of claims 1 to 3, it is characterised in that the MIDI numbers
Include wireless MIDI data transport module and wired MIDI data transport module according to output unit.
5. according to the piano key dynamics harvester described in claim 4, it is characterised in that the wireless MIDI data transmission
Module is bluetooth module, and wired MIDI data transport module is USB MIDI data interfaces.
6. according to the piano key dynamics harvester described in claim 5, it is characterised in that the pedal of piano is provided with and opened
Close, the pcb board is provided with the pedal connecting seat for connecting valve, and the main control MCU is by pedal connecting seat with switching phase
Connect to gather the on-off model of soft pedal.
7. according to the piano key dynamics harvester described in claim 6, it is characterised in that the key dynamics harvester
Also include being provided with fixed mechanism, the fixed mechanism includes mounting seat, regulation spring, upper and lower set screw and left and right adjusting spiral shell
Silk, the mounting seat are arranged in pairs in the left and right sides of pcb board, and the mounting seat is pressed on regulation spring and by adjusting up and down
Screw is fixed on the mounting base below piano key, is fixed between the pcb board and mounting seat by left and right adjusting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721027924.6U CN207052285U (en) | 2017-08-16 | 2017-08-16 | A kind of piano key dynamics harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721027924.6U CN207052285U (en) | 2017-08-16 | 2017-08-16 | A kind of piano key dynamics harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207052285U true CN207052285U (en) | 2018-02-27 |
Family
ID=61502457
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721027924.6U Active CN207052285U (en) | 2017-08-16 | 2017-08-16 | A kind of piano key dynamics harvester |
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| Country | Link |
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| CN (1) | CN207052285U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873095A (en) * | 2018-07-26 | 2018-11-23 | 广州市雅迪数码科技有限公司 | Piano key acts self-adapting detecting circuit |
| CN109065009A (en) * | 2018-10-18 | 2018-12-21 | 飞来教育科技（深圳）有限公司 | A kind of built-in piano key action detection device |
| CN109300460A (en) * | 2018-11-23 | 2019-02-01 | 广州珠江恺撒堡钢琴有限公司 | It is a kind of by bluetooth serial port equipment or the intelligent silent piano of USB connection |
| CN109360545A (en) * | 2018-11-14 | 2019-02-19 | 重庆市星贯众文化艺术传播有限公司 | Electronic hand dish |
| CN109443618A (en) * | 2018-12-13 | 2019-03-08 | 上海科正电子科技有限公司 | A kind of soft pedal force checking device |
| CN110491357A (en) * | 2019-09-06 | 2019-11-22 | 湖南卡罗德音乐集团有限公司 | A kind of piano acquisition dynamics calibration system and calibration method |
| CN112509537A (en) * | 2020-12-07 | 2021-03-16 | 湖南卡罗德音乐集团有限公司 | Novel piano full-intelligent acquisition method and acquisition system |
| CN113903367A (en) * | 2021-09-30 | 2022-01-07 | 湖南卡罗德音乐集团有限公司 | Acquisition and restoration method based on piano full-intelligent system |
-
2017
- 2017-08-16 CN CN201721027924.6U patent/CN207052285U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873095A (en) * | 2018-07-26 | 2018-11-23 | 广州市雅迪数码科技有限公司 | Piano key acts self-adapting detecting circuit |
| CN109065009A (en) * | 2018-10-18 | 2018-12-21 | 飞来教育科技（深圳）有限公司 | A kind of built-in piano key action detection device |
| CN109360545A (en) * | 2018-11-14 | 2019-02-19 | 重庆市星贯众文化艺术传播有限公司 | Electronic hand dish |
| CN109300460A (en) * | 2018-11-23 | 2019-02-01 | 广州珠江恺撒堡钢琴有限公司 | It is a kind of by bluetooth serial port equipment or the intelligent silent piano of USB connection |
| CN109443618A (en) * | 2018-12-13 | 2019-03-08 | 上海科正电子科技有限公司 | A kind of soft pedal force checking device |
| CN110491357A (en) * | 2019-09-06 | 2019-11-22 | 湖南卡罗德音乐集团有限公司 | A kind of piano acquisition dynamics calibration system and calibration method |
| CN110491357B (en) * | 2019-09-06 | 2022-07-15 | 湖南卡罗德钢琴有限公司 | System and method for calibrating piano acquisition strength |
| CN112509537A (en) * | 2020-12-07 | 2021-03-16 | 湖南卡罗德音乐集团有限公司 | Novel piano full-intelligent acquisition method and acquisition system |
| CN113903367A (en) * | 2021-09-30 | 2022-01-07 | 湖南卡罗德音乐集团有限公司 | Acquisition and restoration method based on piano full-intelligent system |
| CN113903367B (en) * | 2021-09-30 | 2023-06-16 | 湖南卡罗德钢琴有限公司 | Collecting and restoring method based on piano full-intelligent system |
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