CN114974189A - Free split type electroacoustic big bass - Google Patents

Free split type electroacoustic big bass Download PDF

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Publication number
CN114974189A
CN114974189A CN202210746717.5A CN202210746717A CN114974189A CN 114974189 A CN114974189 A CN 114974189A CN 202210746717 A CN202210746717 A CN 202210746717A CN 114974189 A CN114974189 A CN 114974189A
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CN
China
Prior art keywords
bass
sound pick
split type
waist support
sound
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Pending
Application number
CN202210746717.5A
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Chinese (zh)
Inventor
吴大旷
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Shanghai East Musical Instrument Co ltd
Original Assignee
Shanghai East Musical Instrument Co ltd
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Filing date
Publication date
Application filed by Shanghai East Musical Instrument Co ltd filed Critical Shanghai East Musical Instrument Co ltd
Priority to CN202210746717.5A priority Critical patent/CN114974189A/en
Publication of CN114974189A publication Critical patent/CN114974189A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H3/00—Instruments in which the tones are generated by electromechanical means
    • G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
    • G10H3/14—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means
    • G10H3/18—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means using a string, e.g. electric guitar
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/32—Constructional details
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2230/00—General physical, ergonomic or hardware implementation of electrophonic musical tools or instruments, e.g. shape or architecture
    • G10H2230/045—Special instrument [spint], i.e. mimicking the ergonomy, shape, sound or other characteristic of a specific acoustic musical instrument category
    • G10H2230/075—Spint stringed, i.e. mimicking stringed instrument features, electrophonic aspects of acoustic stringed musical instruments without keyboard; MIDI-like control therefor
    • G10H2230/085—Spint cello

Abstract

The invention discloses a free split type electroacoustic big bass, which comprises a head, a neck, a string coil, a body, a positioning screw, an adjustable bridge, a pickup and a waist support, wherein the body is integrally fusiform, a mutually matched detachable plug structure is arranged between the neck and the body, the positioning screw is detachably connected with the detachable plug structure, and the waist support is detachably connected with the body; the left side and the right side of the middle part of the instrument body are provided with symmetrical grooves, and the supporting feet are positioned at the lower end of the instrument body. The invention has the advantages that: the volume and the weight of the big bass are greatly reduced, and the carrying and the transportation are more convenient; saving materials, simplifying the process, reducing the cost and improving the tone level; the big bass can better meet the outdoor performance requirement.

Description

Free split type electroacoustic big bass
Technical Field
The invention relates to the technical field of electroacoustic stringed instruments, in particular to a freely split type electroacoustic bass.
Background
Bass (Double Bass) belongs to playing string instruments, also known as Bass Double violins. The bow-shaped string instrument with the largest volume and the lowest sound in the string instrument family is the basis of basic rhythm in the playing of a band and is the support of the sound of a concert. The importance of bass is more important due to the development of the key music and the practice of functional harmony. It not only provides the fundamental tone of chord, but also gives consideration to obvious rhythm so as to deal with the new style of lively melody and excited rhythm.
The double violoncellos are called as 'huge natural objects' in the string instrument because of large volume, the height of which is about 180-220 cm and the weight of which is about 10 kilograms, and the huge volume of the double violoncellos is prohibited for some beginners, especially for people with short statures, so that the double violoncellos are inconvenient to play, use, carry and transport.
The invention relates to a free split type electroacoustic bass which solves the defects of large volume and heavy weight of the traditional bass, is lighter and smaller on the basis of ensuring the professional playing function, is convenient for players to use and carry, and is more popular and practical.
Disclosure of Invention
The invention aims to provide a freely split type electroacoustic big bass, which adopts the design that a piano rod and a piano body can be freely disassembled and freely combined, greatly reduces the size and the weight of the piano body, is provided with various detachable parts meeting the ergonomics of playing the big bass, is provided with a pickup for converting a physical vibration signal into an electronic vibration signal, and well solves the technical problems.
The technical scheme of the invention is as follows: a freely split type electroacoustic big bass is characterized by comprising a head, a neck, a string coil, a body, a positioning screw, an adjustable bridge, a pickup, a waist support and a supporting foot, wherein the whole body is in a fusiform shape, a detachable plug-in structure which is matched with each other is arranged between a rod and the body, the positioning screw is detachably connected with the detachable plug-in structure, the waist support is arranged on the left side surface of the body, the pickup is arranged in the middle of the back surface of the body, and the waist support is detachably connected with the body; the musical instrument body middle part left and right sides is provided with the recess of symmetry, the recess is used for holding player's knee, the spike is located the lower extreme of the musical instrument body.
The body is designed into a shuttle-shaped structure, so that the volume structure of the body becomes simpler, the size of 1800mm, 660mm and 400mm of the large and swollen size of the traditional big bass body is reduced by 70 percent, the body becomes lighter and more compact, and materials are saved; in addition, the positioning screw is a key for connecting the neck and the body and is a main component for reducing the volume and the length of the body, and the positioning screw has the functions of positioning and reinforcing; when a player plays and uses the music instrument, the player only needs to twist the positioning screw to connect the upper part and the lower part of the music instrument body, and when the music instrument is not used, the music instrument body is disassembled and packaged, so that the volume is greatly reduced, and the music instrument is convenient to carry; in addition, because the thickness of the body is thinner than that of the traditional big bass and the body is narrowed, a player can not conform to the human engineering when using the instrument, and the instrument is uncomfortable to play; the waist support is added to maintain the support and fixation between the body and the body of the player, so that the use habit and the comfort of the player are met; the supporting feet can extend the length of the musical instrument body so as to be suitable for playing users with different heights.
Preferably, the adjustable bridge comprises: the screw rod of increaseing with go up the sign indicating number, lower sign indicating number spiro union to the interval between adjustable last sign indicating number and the lower sign indicating number. The adjustable bridge breaks through the traditional integrated bridge, and the lifting screw rod which can be controlled by the matching of the upper layer structure and the lower layer structure can be lifted and lowered, so that the deformation problem of the traditional bridge caused by long-time use and abrasion is avoided, the chord height size can be adjusted at any time, and the normal use of a player is ensured; in addition, the adjustable bridge also provides possibility for reducing the thickness dimension of the piano.
Preferably, the string roll adopts a quincunx-shaped rotary piece structure and is made of brass materials, and the brass material string roll can bear the pulling force of 200KG of the four big bass strings. The string roll structure breaks through the traditional 'finger hand' made by ebony by hand, and the 'string roll' made of plastic steel material by modern process means makes the tuning/fixing change more convenient without the problems of 'sliding sound' and the like; meanwhile, wood resources are saved, the productivity is improved, and the modeling is modern.
Preferably, the headstock adopts a structure with a substantially rectangular cross section, and the detachable plug-in structure is a mortise-tenon structure. The headstock structure breaks through the traditional vortex-shaped complex structure, is replaced by a simpler planar structure, saves materials, simplifies the process, reduces the cost and has modern modeling; the afterbody of neck to the tenon fourth of the twelve earthly branches structure of chinese style furniture is convenient for link up with the body of the musical instrument, the dismouting combination of being convenient for.
Preferably, the sound pick-up comprises a shell, a circuit board, a sound pick-up wire, a sound pick-up rod and a potentiometer, wherein the shell is a metal shell; the circuit board is made of an explosion-proof material with a metal coating and has high fidelity noise reduction, background noise reduction and echo elimination functions; the sound pick-up is provided with sound pick-up lines respectively amplified by a left sound channel and a right sound channel; the sound pick-up adopts a piezoelectric film type and soft line type sound pick-up rod, the number of winding wire turns of the potentiometer is 9800-10000 turns, the sound pick-up is provided with a PR-100 audio alarm adapter, and the voltage is 9V. The sound pick-up is a core component for changing a traditional acoustic cello into an electro-acoustic cello. Because the size of the body of the violoncello is greatly reduced, a 'resonance box' of the traditional violoncello which produces sound and vibrates does not exist, the body of the violoncello becomes an entity, and how to convert wood vibration signals into electronic vibration, so that sound is picked up only by a sound pick-up. Through so setting up the adapter, can make the adapter pick up the vibration signal of the mechanical physics of the musical instrument body to the signal of telecommunication that accords with the performance vibrations standard, cross amplifier circuit again and convert weak signal of telecommunication into the input signal that the audio amplifier can receive, change the tone of sound at the amplification process, make its at utmost restore the tone quality of violin stringed musical instrument, become the musical instrument that has the performance practical function.
Preferably, the waist support is of a U-shaped structure as a whole.
The invention has the following beneficial effects:
1) through the detachable rod, the detachable body and the detachable support piece, the size and the weight of the big bass are greatly reduced, and the big bass is more convenient to carry and transport.
2) The design and the modeling are more concise, the materials are saved, the process is simplified, the cost is reduced, the modeling is modern, the ergonomic requirement of a player is better met, and the playing comfort level is obviously improved.
3) Through the recess that sets up the symmetry in the middle part left and right sides of the body, place the space for the player provides the knee, saved and set up the technical problem such as the installation dismantlement inconvenience that the knee brace brought alone, incremental cost, avoided simultaneously setting up the knee brace alone and caused the body and hold in the palm vibration frequency difference and lead to the fact the technical problem of influence to big bass tone.
4) The sound is picked up by the sound pick-up device which is configured to convert a physical vibration signal into an electronic vibration signal, the traditional acoustic cello is converted into an electro-acoustic cello, vibration deficiency caused by reduction of the cello body is made up, the sound amplification effect is achieved, and normal tone color and tone quality are guaranteed. The defects that the traditional violoncello is limited in volume and amplification and is not suitable for outdoor and commercial performances are overcome.
Drawings
Fig. 1 is a schematic front view of the free split type electroacoustic bass of the present invention;
fig. 2 is a rear view schematically showing the free split type electroacoustic bass of the present invention;
fig. 3 is a left side view schematically illustrating the free split type electroacoustic bass of the present invention;
fig. 4 is a schematic view of the free split type electroacoustic bass of the present invention in a decomposed state.
Detailed Description
The present invention will be further illustrated by the following specific examples.
Example 1
Referring to fig. 1-4, the free split type electroacoustic bass is characterized by comprising a headstock 1, a piano rod 2, a string coil 3, a piano body 4, a positioning screw 5, an adjustable piano code 6, a pickup 7, a waist support 8 and a supporting foot 9, wherein the whole piano body is in a shuttle shape, a mutually matched detachable tenon-and-mortise structure is arranged between the piano rod and the piano body, the positioning screw is detachably connected with the detachable inserting structure, the waist support is arranged on the left side surface of the piano body, the pickup is arranged in the middle of the back surface of the piano body, and the waist support is detachably connected with the piano body; the left side and the right side of the middle part of the body are provided with symmetrical grooves 10 which are used for accommodating legs of a player, and the supporting feet are positioned at the lower end of the body. The adjustable bridge comprises: the upper plate comprises an upper code 60, a lower code 61 and a height-adjusting screw rod 62, wherein the height-adjusting screw rod is in threaded connection with the upper code and the lower code, and the distance between the upper plate and the lower plate can be adjusted. The string roll adopts an integrally closed quincunx rotary sheet structure and is made of brass materials. The headstock adopts a structure with a substantially rectangular cross section. The whole waist support is of a bent U-shaped structure. The sound pick-up comprises a shell, a circuit board, a sound pick-up wire, a sound pick-up rod and a potentiometer (not shown), wherein the shell is a metal shell; the circuit board is made of an explosion-proof material with a metal coating and has high fidelity noise reduction, background noise reduction and echo elimination functions; the sound pick-up is provided with sound pick-up lines respectively amplified by a left sound channel and a right sound channel; the sound pick-up adopts a piezoelectric film type and soft line type sound pick-up rod, the number of winding wire turns of the potentiometer is 9800 circles, the sound pick-up is provided with a PR-100 audio alarm adapter, and the voltage is 9V.
Example 2
Referring to fig. 1-4, the free split type electroacoustic bass is characterized by comprising a headstock 1, a piano rod 2, a string coil 3, a piano body 4, a positioning screw 5, an adjustable piano code 6, a pickup 7, a waist support 8 and a supporting foot 9, wherein the whole piano body is in a shuttle shape, a mutually matched detachable tenon-and-mortise structure is arranged between the piano rod and the piano body, the positioning screw is detachably connected with the detachable inserting structure, the waist support is arranged on the left side surface of the piano body, the pickup is arranged in the middle of the back surface of the piano body, and the waist support is detachably connected with the piano body; the left side and the right side of the middle part of the piano body are provided with symmetrical grooves 10, and the supporting feet are positioned at the lower end of the piano body. The adjustable bridge comprises: the upper plate comprises an upper code 60, a lower code 61 and a height-adjusting screw rod 62, wherein the height-adjusting screw rod is in threaded connection with the upper code and the lower code, and the distance between the upper plate and the lower plate can be adjusted. The string roll adopts a rotary sheet structure which is triangular as a whole and is made of plastic steel material. The headstock adopts a structure with a cross section which is generally triangular. The whole waist support is of a bent U-shaped structure. The sound pick-up comprises a shell, a circuit board, a sound pick-up wire, a sound pick-up rod and a potentiometer, wherein the shell is a metal shell; the circuit board is made of an explosion-proof material with a metal coating and has high fidelity noise reduction, background noise reduction and echo elimination functions; the sound pick-up is provided with sound pick-up lines respectively amplified by a left sound channel and a right sound channel; the pickup adopts a piezoelectric film type and soft line type pickup rod, the number of winding wire turns of the potentiometer is 9900, the pickup is provided with a power supply PR-100 audio alarm adapter, and the voltage is 9V.
Example 3
Referring to fig. 1-4, the portable electroacoustic cello is characterized by comprising a head 1, a neck 2, a string coil 3, a body 4, a set screw 5, an adjustable bridge 6, a pickup 7, a chest support 8, a knee support 9 and a brace 10, wherein the body is integrally in a shuttle shape, a mutually matched detachable mortise and tenon structure is arranged between the neck and the body, the set screw is detachably connected with the detachable inserting structure, the waist support is arranged on the left side surface of the body, the pickup is arranged in the middle of the back surface of the body, and the waist support is detachably connected with the body; the left side and the right side of the middle part of the piano body are provided with symmetrical grooves 10, and the supporting feet are positioned at the lower end of the piano body. The adjustable bridge comprises: the screw rod 62 of increaseing, the screw rod of increaseing with go up the sign indicating number, the lower sign indicating number spiro union to the interval between adjustable last sign indicating number and the lower sign indicating number. The string roll adopts an integrally closed plum blossom-shaped rotary sheet structure and is made of brass materials. The headstock adopts a structure with a substantially rectangular cross section. The whole waist support is of a bent U-shaped structure. The sound pick-up comprises a shell, a circuit board, a sound pick-up wire, a sound pick-up rod and a potentiometer, wherein the shell is a metal shell; the circuit board is made of an explosion-proof material with a metal coating and has high fidelity noise reduction, background noise reduction and echo elimination functions; the sound pick-up is provided with sound pick-up lines respectively amplified by a left sound channel and a right sound channel; the pickup adopts a piezoelectric film type and soft line type pickup rod, the number of winding wire turns of the potentiometer is 10000, the pickup is provided with a PR-100 audio alarm adapter, and the voltage is 9V.
The invention has the advantages that: 1) through the detachable neck, the detachable body and the detachable supporting pieces, the size and the weight of the cello are greatly reduced, and the cello is more convenient to carry and transport.
2) The design and the modeling are more concise, the materials are saved, the process is simplified, the cost is reduced, the modeling is modern, the ergonomic requirement of a player is better met, and the playing comfort level is obviously improved.
3) Through the recess that sets up the symmetry in the middle part left and right sides of the body, place the space for the player provides the knee, saved and set up the technical problem such as the installation dismantlement inconvenience that the knee brace brought alone, incremental cost, avoided simultaneously setting up the knee brace alone and caused the body and hold in the palm vibration frequency difference and lead to the fact the technical problem of influence to big bass tone.
4) The sound is picked up by the sound pick-up which is configured to convert a physical vibration signal into an electronic vibration signal, the traditional acoustic cello is converted into the electro-acoustic cello, the vibration deficiency caused by the reduction of the cello body is made up, the sound amplification effect is achieved, the normal tone quality is ensured, and the defects that the traditional cello is limited in sound volume and sound amplification and is not suitable for outdoor and commercial performances are overcome.
The above examples are merely illustrative for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims (6)

1. A freely split type electroacoustic big bass is characterized by comprising a head, a neck, a string coil, a body, a positioning screw, an adjustable bridge, a pickup, a waist support and a supporting foot, wherein the whole body is in a fusiform shape, a detachable plug-in structure which is matched with each other is arranged between a rod and the body, the positioning screw is detachably connected with the detachable plug-in structure, the waist support is arranged on the left side surface of the body, the pickup is arranged in the middle of the back surface of the body, and the waist support is detachably connected with the body; the musical instrument body middle part left and right sides is provided with the recess of symmetry, the recess is used for holding player's knee, the spike is located the lower extreme of the musical instrument body.
2. The free split type electro-acoustic bass of claim 1, wherein: the adjustable bridge comprises: the height-adjusting screw rod is in threaded connection with the upper plate and the lower plate, and the distance between the upper plate and the lower plate can be adjusted.
3. The free split type electro-acoustic bass of claim 1 or 2, wherein: the string roll adopts a quincuncial rotary sheet structure and is made of brass material.
4. The free split type electro-acoustic bass of claim 1 or 2, wherein: the headstock adopts the structure that the cross section is rectangle on an average, but split grafting structure is tenon fourth of twelve earthly branches structure.
5. The free split type electroacoustic bass of claim 1 or 2, wherein: the sound pick-up comprises a shell, a circuit board, a sound pick-up wire, a sound pick-up rod and a potentiometer, wherein the shell is a metal shell; the circuit board is made of an explosion-proof material with a metal coating and has high fidelity noise reduction, background noise reduction and echo elimination functions; the sound pick-up is provided with sound pick-up lines respectively amplified by a left sound channel and a right sound channel; the sound pick-up adopts a piezoelectric film type and soft line type sound pick-up rod, the number of winding wire turns of the potentiometer is 9800 and 10000, the sound pick-up is provided with a power supply PR-100 audio alarm adapter, and the voltage is 9V.
6. The free split type electroacoustic bass of claim 1 or 2, wherein: the whole waist support is of a U-shaped structure.
CN202210746717.5A 2022-06-16 2022-06-16 Free split type electroacoustic big bass Pending CN114974189A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210746717.5A CN114974189A (en) 2022-06-16 2022-06-16 Free split type electroacoustic big bass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210746717.5A CN114974189A (en) 2022-06-16 2022-06-16 Free split type electroacoustic big bass

Publications (1)

Publication Number Publication Date
CN114974189A true CN114974189A (en) 2022-08-30

Family

ID=82965854

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210746717.5A Pending CN114974189A (en) 2022-06-16 2022-06-16 Free split type electroacoustic big bass

Country Status (1)

Country Link
CN (1) CN114974189A (en)

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