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CN110910856B - Automatic piano tuner for music - Google Patents

Automatic piano tuner for music Download PDF

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Publication number
CN110910856B
CN110910856B CN201911302241.0A CN201911302241A CN110910856B CN 110910856 B CN110910856 B CN 110910856B CN 201911302241 A CN201911302241 A CN 201911302241A CN 110910856 B CN110910856 B CN 110910856B
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China
Prior art keywords
handle
motor
circuit board
integrated circuit
connecting rod
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CN201911302241.0A
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CN110910856A (en
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邓磊
李一岚
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10CPIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C9/00Methods, tools or materials specially adapted for the manufacture or maintenance of musical instruments covered by this subclass
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10CPIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00Details or accessories
    • G10C3/10Tuning pins; Tensioning devices
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Stringed Musical Instruments (AREA)

Abstract

The invention discloses an automatic piano tuner for music, which comprises a handle, a motor, a rotating speed sensor, a planetary reducer, a connecting rod, a wrench head, a shock pad, a handle battery, a handle sealing plate, a host machine shell, a storage battery, an integrated circuit board, a spacer block, a connecting socket, a shielding wire, a sensor head, a panel, a display screen, an operation panel and a connecting flat cable. The invention has the beneficial effects that: sensor head inside is provided with distinguishable frequency of vibration's sensor and can be with data transmission to integrated circuit board, can be swiftly accurate detect current piano sound production frequency, reduce the error of later stage tuning, the motor is controlled by integrated circuit board and rotational speed sensor can real-time measurement motor's rotation stroke, gather the sound production frequency through integrated circuit board and control the motor and rotate and realize the automatic tuning of piano, the spanner head of connecting rod front end installation can be free dismantlement and change, make things convenient for people to change the spanner head of corresponding tuning according to different musical instrument axles.

Description

Piano automatic tuner for music
Technical Field
The invention relates to a piano tuner, in particular to an automatic piano tuner for music, and belongs to the field of music equipment.
Background
The piano is a keyboard instrument in western classical music, is a name of 'king of instrument', is more and more unfamiliar to the piano in modern society, and children of many children have been in contact with piano education in time, so the piano is more and more common in society, the piano generally has more than two hundred strings, the tension can be reduced and the intonation can be influenced after playing vibration for a period of time and being influenced by temperature and humidity changes, namely the commonly-known 'variation', so the auditory perception of the piano is certainly influenced, therefore, the piano needs to be tempered and mechanically finished after being used for a period of time, the existing piano tuning is generally debugged manually, an 'L' -type tuning wrench is adopted to judge the pitch by human ears and carry out non-coaxial torque adjustment, and the manual adjustment is not only low in efficiency but also inaccurate due to the difference and instability of the hearing identification capability of the human ears.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a piano automatic tuner for music.
The invention realizes the purpose through the following technical scheme: an automatic piano tuner for music comprises a handle, a motor, a rotating speed sensor, a planetary reducer, a connecting rod, a wrench head, a shock pad, a handle battery, a handle sealing plate, a host shell, a storage battery, an integrated circuit board, a spacer block, a connecting socket, a shielding wire, a sensor head, a panel, a display screen, an operation panel and a connecting flat cable; the upper end of the handle is fixed with a motor, the front end of the motor is provided with a planetary reducer, the rear end of the motor is provided with a rotating speed sensor, the motor is controlled by an integrated circuit board, the rotating speed sensor can measure the rotating stroke of the motor in real time, the rotating speed sensor is coaxially connected with the motor, the front end of the planetary reducer is coaxially provided with a connecting rod, the planetary reducer is positioned between the motor and the connecting rod and is coaxially connected with the motor and the connecting rod, the end of the connecting rod is provided with a wrench head, the wrench head arranged at the front end of the connecting rod can be freely detached and replaced, a layer of soft shock pad is fixed on the side surface of the handle close to the wrench head, a handle battery is arranged in the handle, a handle sealing plate is arranged on the handle outside the handle battery, and a storage battery is fixed in the main machine shell, the handle battery and the storage battery are connected in parallel through a connecting flat cable, a partition board is fixed at the rear end of the integrated circuit board, the integrated circuit board and the partition board are installed in a host shell, a layer of heat-insulating spacer block is padded between the storage battery and the integrated circuit board, the storage battery and the integrated circuit board are electrically connected together, a connecting socket is arranged at the upper end of the host shell and electrically connected with the integrated circuit board, one end of a shielding wire penetrates through the host shell and is connected with the integrated circuit board, a sensor head is installed at the other end of the shielding wire, a sensor capable of identifying vibration frequency is arranged in the sensor head and can transmit data to the integrated circuit board, a panel is installed outside the host shell, a display screen and an operation panel are arranged on the panel, and the display screen and the operation panel are electrically connected with the integrated circuit board, the bottom of the handle is also provided with a connecting socket, the connecting socket at the bottom of the handle is electrically connected with the motor, the rotating speed sensor and the handle battery, one end of the connecting flat cable is inserted into the connecting socket at the upper end of the host shell, and the other end of the connecting flat cable is inserted into the connecting socket at the bottom of the handle.
Further, in order to quickly and accurately detect the current piano sounding frequency, a sensor capable of identifying the vibration frequency is arranged inside the sensor head, and data can be sent to the integrated circuit board.
Furthermore, in order to realize that the motor is controlled to rotate after the sound frequency is collected by the integrated circuit board to realize automatic tuning of the piano, the motor is controlled by the integrated circuit board, and the rotating stroke of the motor can be measured in real time by the rotating speed sensor.
Further, in order to achieve torque amplification, the planetary reducer is located between the motor and the connecting rod and coaxially connected with the motor and the connecting rod.
Furthermore, in order to facilitate people to replace the wrench head with corresponding tuning according to different musical instrument shafts, the wrench head arranged at the front end of the connecting rod can be freely detached and replaced.
Further, in order to fully utilize the space and enlarge the capacity of the battery pack, the handle battery and the storage battery are connected in parallel through a connecting flat cable.
Furthermore, in order to prevent the heat generated by the integrated circuit board during operation from affecting the storage battery, a layer of heat-insulating spacer blocks are padded between the storage battery and the integrated circuit board.
Furthermore, in order to reduce friction to the hand, a layer of soft shock absorption pad is fixed on the side surface of the handle close to the wrench head.
The invention has the beneficial effects that: this piano tuner structural connection is compact, and is simple to use, and reasonable in design, the inside sensor that is provided with distinguishable frequency of vibration of sensor head can be with data transmission to integrated circuit board, can be swiftly accurate detect current piano sound production frequency, reduce the error of later stage tuning, the motor is controlled by integrated circuit board and rotational speed sensor can real-time measurement motor's rotation stroke, gather sound production frequency through integrated circuit board after control motor rotates and realize the automatic tuning of piano, guarantee that the tuning precision is high, control is stable accurate, laborsaving, planetary reducer is located between motor and the connecting rod and with the two coaxial coupling together, realize the enlargeing of moment of torsion, the motor only needs to exert less torsion, just can drive the rotation of piano string sign indicating number, the spanner head of connecting rod front end installation can free dismantlement and the change, make things convenient for people to change the spanner head of corresponding tuning according to different musical instrument axles, handle battery and battery are connected in parallel together through connecting the winding displacement, can make full use of space expansion battery group's capacity, increase of service life, there is the thermal-insulated spacer of one deck between battery and the integrated circuit board, prevent that the heat that integrated circuit board produced when the hand that the work from influencing the battery, the comfortable side of fixing has the soft pad, make the use of shock attenuation pad more.
Drawings
FIG. 1 is an exploded view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
in the figure: 1. the device comprises a handle, 2, a motor, 3, a rotating speed sensor, 4, a planetary reducer, 5, a connecting rod, 6, a wrench head, 7, a shock pad, 8, a handle battery, 9, a handle sealing plate, 10, a host shell, 11, a storage battery, 12, an integrated circuit board, 13, a spacer block, 14, a connecting socket, 15, a shielding wire, 16, a sensor head, 17, a panel, 18, a display screen, 19, an operation panel, 20 and a connecting flat cable.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, an automatic tuner for a music piano comprises a handle 1, a motor 2, a rotation speed sensor 3, a planetary reducer 4, a connecting rod 5, a wrench head 6, a shock pad 7, a handle battery 8, a handle sealing plate 9, a main machine housing 10, a storage battery 11, an integrated circuit board 12, a spacer 13, a connecting socket 14, a shielding wire 15, a sensor head 16, a panel 17, a display screen 18, an operation panel 19 and a connecting flat cable 20; the handle 1 is fixed with a motor 2 at the upper end thereof, the motor 2 is mounted at the front end thereof with a planetary reducer 4, the motor 2 is mounted at the rear end thereof with a rotation speed sensor 3, the motor 2 is controlled by an integrated circuit board 12 and the rotation speed sensor 3 can measure the rotation stroke of the motor 2 in real time, the rotation speed sensor 3 is coaxially connected with the motor 2, the planetary reducer 4 is coaxially mounted at the front end thereof with a connecting rod 5, the planetary reducer 4 is positioned between the motor 2 and the connecting rod 5 and coaxially connected therewith, a wrench head 6 is mounted at the end of the connecting rod 5, the wrench head 6 mounted at the front end of the connecting rod 5 can be freely detached and replaced, the handle 1 is fixed with a layer of flexible shock pad 7 on the side surface near the wrench head 6, a handle battery 8 is mounted inside the handle 1, a handle sealing plate 9 is mounted on the handle 1 outside the handle battery 8, a storage battery 11 is fixed inside the host housing 10, the handle battery 8 and the storage battery 11 are connected in parallel by a connecting cable 20, a partition plate 13 is fixed at the rear end of the integrated circuit board 12, the integrated circuit board 12 and a host housing 12 is electrically connected with a host 12, a host housing 12 and a host 12 is electrically connected with a host 12, a host housing 12 is provided with a host 14 capable of electrically connected with a shock sensor 12, the external of the host shell 10 is provided with a panel 17, the panel 17 is provided with a display screen 18 and an operation panel 19, the display screen 18 and the operation panel 19 are electrically connected with the integrated circuit board 12, the bottom of the handle 1 is also provided with a connecting socket 14, the connecting socket 14 at the bottom of the handle 1 is electrically connected with the motor 2, the rotating speed sensor 3 and the handle battery 8, one end of the connecting flat cable 20 is inserted into the connecting socket 14 at the upper end of the host shell 10, and the other end of the connecting flat cable is inserted into the connecting socket 14 at the bottom of the handle 1.
The invention is a technical optimization scheme: the sensor head 16 is internally provided with a sensor capable of identifying the vibration frequency and transmitting data to the integrated circuit board 12; the motor 2 is controlled by the integrated circuit board 12 and the rotating speed sensor 3 can measure the rotating stroke of the motor 2 in real time; the planetary reducer 4 is positioned between the motor 2 and the connecting rod 5 and is coaxially connected with the motor and the connecting rod; the wrench head 6 arranged at the front end of the connecting rod 5 can be freely detached and replaced; the handle battery 8 and the storage battery 11 are connected in parallel through a connecting flat cable 20; a layer of heat-insulating spacer 13 is padded between the storage battery 11 and the integrated circuit board 12; a layer of soft shock absorption pad 7 is fixed on the side surface of the handle 1 close to the wrench head 6.
When the piano tuning device is used, the sensor head is firstly clamped on a piano shaft to be tuned, then the wrench head of the corresponding tuning is replaced according to the piano shaft to be tuned and is installed on the connecting rod, then the wrench head is clamped on the corresponding piano shaft, then standard frequency data is input through the operation panel, then the corresponding piano string is stirred to make the piano string sound, the sensor head can acquire the sound frequency and send the sound frequency to the integrated circuit board, the integrated circuit board acquires the sound frequency and then compares the sound frequency with the standard frequency, and then the motor is controlled to rotate and drives the wrench head of the tuning to realize automatic tuning of the piano.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides a piano automatic tuner is used to music which characterized in that: the multifunctional wrench comprises a handle (1), a motor (2), a rotating speed sensor (3), a planetary reducer (4), a connecting rod (5), a wrench head (6), a shock pad (7), a handle battery (8), a handle sealing plate (9), a host machine shell (10), a storage battery (11), an integrated circuit board (12), a spacer block (13), a connecting socket (14), a shielding wire (15), a sensor head (16), a panel (17), a display screen (18), an operation panel (19) and a connecting flat cable (20); the handle is characterized in that a motor (2) is fixed at the upper end of the handle (1), a planetary reducer (4) is installed at the front end of the motor (2), a rotating speed sensor (3) is installed at the rear end of the motor (2), the rotating speed sensor (3) is coaxially connected with the motor (2), a connecting rod (5) is coaxially installed at the front end of the planetary reducer (4), a wrench head (6) is installed at the end of the connecting rod (5), a shock absorption pad (7) is fixed on the handle (1), a handle battery (8) is installed inside the handle (1), a handle sealing plate (9) is installed on the handle (1) outside the handle battery (8), a storage battery (11) is fixed inside the host shell (10), a spacer block (13) is fixed at the rear end of the integrated circuit board (12), the integrated circuit board (12) and the spacer block (13) are installed in the host shell (10), the storage battery (11) and the integrated circuit board (12) are electrically connected together, a connecting socket (14) is arranged at the upper end of the host shell (10), and a shielding wire (16) penetrates through the host shell (12) and the sensing wire (16) and is installed together, the external mounting of host computer shell (10) has panel (17), be provided with display screen (18) and operating panel (19) on panel (17), display screen (18) and operating panel (19) are connected together with integrated circuit board (12) electricity, the bottom of handle (1) also is provided with connection socket (14), connection socket (14) and motor (2), speed sensor (3) and handle battery (8) the electricity of the bottom of handle (1) are connected together, connect winding displacement (20) one end and insert on connection socket (14) of host computer shell (10) upper end and the other end is inserted on connection socket (14) of handle (1) bottom.
2. A musical piano automatic tuner as claimed in claim 1, wherein: the sensor head (16) is internally provided with a sensor capable of recognizing the vibration frequency and can transmit data to the integrated circuit board (12).
3. A piano automatic tuner for music according to claim 1, wherein: the motor (2) is controlled by an integrated circuit board (12) and the rotation speed sensor (3) can measure the rotation stroke of the motor (2) in real time.
4. A piano automatic tuner for music according to claim 1, wherein: the planetary reducer (4) is positioned between the motor (2) and the connecting rod (5) and is coaxially connected with the motor and the connecting rod.
5. A piano automatic tuner for music according to claim 1, wherein: the wrench head (6) arranged at the front end of the connecting rod (5) can be freely detached and replaced.
6. A piano automatic tuner for music according to claim 1, wherein: the handle battery (8) and the storage battery (11) are connected in parallel through a connecting flat cable (20).
7. A piano automatic tuner for music according to claim 1, wherein: and a layer of heat-insulating spacer block (13) is padded between the storage battery (11) and the integrated circuit board (12).
8. A piano automatic tuner for music according to claim 1, wherein: a layer of soft shock absorption pad (7) is fixed on the side surface of the handle (1) close to the wrench head (6).
CN201911302241.0A 2019-12-17 2019-12-17 Automatic piano tuner for music Active CN110910856B (en)

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Application Number Priority Date Filing Date Title
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CN110910856A CN110910856A (en) 2020-03-24
CN110910856B true CN110910856B (en) 2023-04-07

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111583888A (en) * 2020-06-24 2020-08-25 河南大学 Piano tone correction device
ES1254970Y (en) * 2020-08-06 2021-01-15 Casanova Vila Adam PIANO TUNER

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101958115A (en) * 2010-08-09 2011-01-26 谭福生 Electronic label-based semi-automatic piano tuner
CN204791918U (en) * 2015-07-27 2015-11-18 内蒙古民族大学 Electrodynamic type piano tuning ware
CN106652973A (en) * 2015-10-29 2017-05-10 顾俊豪 Full-automatic piano tuner and system
CN209199576U (en) * 2018-11-07 2019-08-02 江苏师范大学 A kind of upright piano automatic tuning system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6915721B2 (en) * 2003-10-22 2005-07-12 Techway Industrial Co., Ltd. Cordless ratchet wrench

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101958115A (en) * 2010-08-09 2011-01-26 谭福生 Electronic label-based semi-automatic piano tuner
CN204791918U (en) * 2015-07-27 2015-11-18 内蒙古民族大学 Electrodynamic type piano tuning ware
CN106652973A (en) * 2015-10-29 2017-05-10 顾俊豪 Full-automatic piano tuner and system
CN209199576U (en) * 2018-11-07 2019-08-02 江苏师范大学 A kind of upright piano automatic tuning system

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