CN205104212U - Public address wood guitar - Google Patents
Public address wood guitar Download PDFInfo
- Publication number
- CN205104212U CN205104212U CN201520745438.2U CN201520745438U CN205104212U CN 205104212 U CN205104212 U CN 205104212U CN 201520745438 U CN201520745438 U CN 201520745438U CN 205104212 U CN205104212 U CN 205104212U
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- Prior art keywords
- guitar
- lower panel
- voice coil
- vibration
- panel
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- Expired - Fee Related
Links
- 239000002023 wood Substances 0.000 title abstract description 10
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 4
- 230000010358 mechanical oscillation Effects 0.000 abstract 2
- 230000007774 longterm Effects 0.000 abstract 1
- 230000009347 mechanical transmission Effects 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012190 activator Substances 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Electrophonic Musical Instruments (AREA)
Abstract
The utility model discloses a public address wood guitar, include and constitute the resonator, set up on it sound hole on the board, be located the string of sound hole top and be used for the bridge of fixed string one end by upper and lower panel and curb plate, still include the sound pick up equipment that turns into the mechanical oscillation of string the signal of telecommunication for carry out the audio power amplifier module of enlargeing with the signal of telecommunication, the signal of telecommunication after will enlargeing turns into the vibration reinforcing means that the upper and lower panel of resonator was given in mechanical oscillation and transmission, is used for providing the power module of power. The utility model discloses can solve long -term puzzlement guitar player's primary sound wood guitar volume problem, make the music expression multiplication of wooden guitar, promote the far -reaching development of guitar music. In addition, consider primary sound wood guitar in the huge recoverable amount and the demand in the whole world, this technological utility model possesses very high market value.
Description
Technical field
The utility model relates to musical instrument, particularly relates to a kind of wooden guitar amplified.
Background technology
Primary sound wood guitar (AcousticGuitar) is with a long history, can trace back to the Renaissance in Europe, through the development evolvement of centuries, still flourishing long time so far.Guitar can eject the melody and abundant harmony with the property sung, and tone color also can have colorful change in addition, adds the characteristic that it is portable, becomes the most extensive welcome musical instrument in the world today.
But wooden guitar has a maximum inferior position, be that its volume is less than normal.This inferior position makes wooden guitar be difficult to coordinate association to play with other musical instruments, and greatly hindering guitar becomes an important classic musical instrument.The electric era now, occurred the electric guitar of replaceable wooden guitar, and wooden guitar itself can also install acoustic pickup additional, becomes electronic box qin, by external speaker, improves volume.
But although said method solves the volume problem of primary sound wood guitar, also brings following new problem simultaneously:
1, the size of wooden guitar own is just not little, and also need arrange in pairs or groups heavy external speaker or sound system, this makes the portability advantage of wooden guitar greatly reduce.In addition, also make to play cost significantly to increase.
2, for the serious music people pursuing wooden guitar primary sound, the musical sound that oneself scene beyond affordability is played broadcasts from audio amplifier, its musical sound that more scene of pursuing is played should come from the vibration of the panel of musical instrument own, therefore, existing outer welding system audio amplifier is difficult to meet the demand that user pursues wooden guitar primary sound.
Therefore, provide a kind of easy to carry, give great volume and be industry technical matters urgently to be resolved hurrily by the wooden guitar that amplifies of vibration sounding.
Summary of the invention
The utility model, in order to solve the problem of above-mentioned prior art, proposes one and to amplify wooden guitar, do not recycle external speaker system and amplify, but realizes the increase of volume by the vibration strengthening wooden guitar qin dignity plate own.
The wooden guitar that amplifies that the utility model proposes, comprise and form resonant tank by upper and lower panel and side plate, the sound hole be arranged on top panel, be positioned at the string above sound hole and the bridge for fixing string one end, also comprise the sound pick up equipment mechanical vibration of string being converted into electric signal, for the audio amplification block that electric signal is carried out amplifying, transform electrical signals after amplifying is mechanical vibration and passes to the vibration intensifier of resonant tank upper and lower panel, for providing the power module of power supply.
Technique scheme has concrete three embodiments, wherein in the first embodiment, vibration intensifier adopts at least one for strengthening the voice coil motor of lower panel vibration, described voice coil motor is by the top of the cradle hangs fixed with side plate plate below, described voice coil motor one end face is fixedly connected with described support by stator, its other end is fixedly connected with lower panel by rotor, and the stator of voice coil motor does not contact lower panel.In second embodiment, then the first embodiment is expanded, upper and lower panel is passed to after the vibration of string being strengthened respectively, make use of two voice coil motors and be used for fixing the support of correspondence of two voice coil motors, in this embodiment, bridge does not contact top panel, is fixed in the above above plate, avoids positive feedback to utter long and high-pitched sounds by an external L bracket.3rd embodiment is identical with principle with the structure of the second embodiment, but vibrate intensifier and have employed power actuator, this actuator is generally in column, and upper and lower end face directly contacts upper and lower panel, support can not be needed to fix, therefore more succinct in structure.
The utility model is not when affecting Traditional Wood guitar profile and script structure, significantly can increase the volume of wooden guitar, make singing or other musical instruments of itself and singer, volume as violin, piano, wind instrument, percussion instrument etc. reaches the degree matched, make guitar under the prerequisite without the need to boom box public address system, can freely arrange in pairs or groups with other musical instruments, form duet, multiplely to play or the multiple musical form, the breadth and depth of extreme enrichment guitar music such as to be played at by association of band.And the utility model is less to body weight, also not needing external audio frequency cable, is play or carry all and facility.Guitar sound of the present utility model still derives from the vibration of self panel of qin body, but not external speaker sounding, sound natural reality, meets most serious music man to the high request of musical instrument primary sound quality.The size of guitar volume is controlled by the dynamics of playing of player completely, does not affect, be convenient to very much player and control by the factor beyond qin body, can make the arbitrary performance music of player.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model first embodiment;
Fig. 2 is the structural representation of the utility model second embodiment;
Fig. 3 is the structural representation of the utility model the 3rd embodiment.
Embodiment
Below in conjunction with drawings and Examples, describe the course of work of the present utility model in detail.
The structure of wood guitar all comprises scroll head, neck and the resonant tank 10 set gradually usually, resonant tank 10 comprises upper and lower panel and side plate, the top panel 6 of resonant tank 10 is provided with sound hole 5, the side of sound hole 5 is provided with bridge 3, and many string 1 one end and scroll head are fixed, middle through sound hole 5, the other end and bridge 3 are fixed, during string vibration, drive the upper and lower panel 7 of resonant tank 10 to vibrate, in resonant tank 10, produce the vocal music of different tone color tone.
The wooden guitar that amplifies that the utility model proposes, based on existing wooden guitar, adds sound pick up equipment 2, audio amplification block 8 and vibration intensifier, and provides the power module (not shown) of power supply for each device and module.
The mechanical vibration high-fidelity of string can be converted into electric signal by sound pick up equipment 2, and this electric signal must have broad dynamic range, to adapt to the musical of the different dynamics of player.And it is very responsive and very insensitive to the vibration of upper and lower panel to the vibration of string, to prevent sound pick up equipment 2 above and below panel vibration is amplified and feed back to again in upper and lower panel, form positive feedback and utter long and high-pitched sounds.In the utility model, sound pick up equipment 2 can be realized by the piezoelectric ceramics rod be connected with bridge 3 popular in current electronic box qin.
The electric signal of sound pick up equipment 2 is carried out enlarge leadingly and power amplification by audio amplification block 8, delivers to vibration intensifier, drives above and below panel vibration, realizes amplifying.
Vibration intensifier can be made up of one or more power actuator being placed in resonant tank 10 inside.This power actuator can be electromagnetic type, also can be piezoelectric type.An end face of power actuator is connected with top panel 6, other end with can be connected with the plate portion of resonant tank, or two of power actuator end faces are connected with lower panel 7 with the top panel 6 of resonant tank 10 respectively.Like this, when power actuator is energized, power actuator, shrinking or expansion perpendicular to the direction of upper and lower panel produces, drives upper and lower panel to produce mechanical vibration.The amplitude of this vibration vibrates the above and below panel vibration caused much larger than normal wood guitar string, therefore achieve significant amplifying effect.
Power module comprises rechargeable battery pack and relevant electrical control circuit, electricity stored by rechargeable battery pack need maintain guitar and play for a long time, as the time of 2 ~ 3 times of normal concerts, the weight of electric battery can not make guitar overall weight significantly increase simultaneously, affects the portable attribute of guitar.
Fig. 1 gives the first embodiment of the present utility model, only the vibrations of lower panel 7 are strengthened in this embodiment, the change of this embodiment to traditional guitar structure is minimum, directly by repacking Traditional Wood guitar realizes, can realize amplifying effect to a certain extent.In the present embodiment, by a voice coil motor 9 as on the below backboard of sound hole 5, voice coil loudspeaker voice coil (mover) end face of voice coil motor 9 is bonding with backboard, another permanent magnet (stator) end face and a support 4 bond, the other end of support 4 is fixed on side plate, and the stator of voice coil motor 9 does not contact lower panel 7.In the present embodiment, support 4 can be arranged to L shape, and also can increase counterweight in permanent magnet end, and fix without the need to support, structure simplifies more.When voice coil motor 9 is energized, lower panel 7 can be effectively driven to vibrate.The vibration of string converts electric signal to by the sound pick up equipment 2 being placed in bridge 3 and sends into audio amplification block 8, then sends into voice coil motor 9, and drives lower panel 7 to vibrate by voice coil motor 9, to realize the enhancing of volume.The vibration of guitar top panel 6 is still directly driven by bridge 3 by string.This programme is little to traditional guitar structural modification, easily implement, but because sound pick up equipment 2 is directly connected with top panel 6, in order to avoid positive feedback is uttered long and high-pitched sounds, vibration cannot be implemented to top panel 6 to strengthen, the vibration to lower panel 7 is implemented to a certain degree can only be selected to strengthen, therefore strengthen effect relatively after second, third embodiment more limited, but still effectively can solve wooden guitar volume problem less than normal.
Fig. 2 gives the second embodiment of the present utility model, and the present embodiment is uttered long and high-pitched sounds to effectively avoid positive feedback, and bridge part must be separated from panel and be suspended in above panel.Bridge 3 is fixed by the side plate of a L bracket 12 with resonant tank 10.This structure will guarantee that sound pick up equipment 2 can only be picked up the vibration of string and cannot pick up the vibration of panel.The vibration enhancing of panel and backboard realizes respectively by two voice coil motors 9, voice coil loudspeaker voice coil (mover) end face of two motors is bonding with panel and backboard respectively, two other permanent magnet (stator) end face is bonding with a H-shaped support respectively, is fixed by the outer panel of H-shaped support 11 with resonant tank 10.When the string vibration signal that sound pick up equipment 2 is picked up acts on voice coil motor 9 by Audio power amplifier, voice coil motor 9 just drives top panel 6 and lower panel 7 to vibrate simultaneously, produces grand volume.Meanwhile, because Chord vibration no longer drives panel vibration, therefore the decay persistence time of Chord vibration significantly increases, and makes the tenuto of guitar elongated, the richer property sung of music.
Fig. 3 shows the 3rd embodiment of the present utility model, the principle of the 3rd embodiment is identical with the second embodiment, but voice coil motor and H-shaped support are replaced into the piezoelectric ceramics stacked actuators 13 of a column, the upper and lower end face of piezoelectric ceramics stacked actuators 13 is connected with the upper and lower panel of resonant tank 10 respectively, structure has carried out further simplification relative to the second embodiment, in the present embodiment, piezoelectric ceramics stacked actuators 13 can also be replaced with corresponding electromagnetic actuator.Piezo-activator and electromagnetic actuators have the advantages such as low in energy consumption, power saving than voice coil motor, make the performance of power module been significantly enhanced cruising time.
Should be understood that, the above-mentioned description for specific embodiment is comparatively detailed, and therefore can not think the restriction to the utility model scope of patent protection, scope of patent protection of the present utility model should be as the criterion with claims.
Claims (8)
1. the wooden guitar that amplifies, comprise and form resonant tank by upper and lower panel and side plate, the sound hole be arranged on top panel, be positioned at the string above sound hole and the bridge for fixing string one end, it is characterized in that, also comprise the sound pick up equipment mechanical vibration of string being converted into electric signal, for the audio amplification block that electric signal is carried out amplifying, transform electrical signals after amplifying is mechanical vibration and passes to the vibration intensifier of resonant tank upper and lower panel, for providing the power module of power supply.
2. amplify wooden guitar as claimed in claim 1, it is characterized in that, described vibration intensifier adopts at least one for strengthening the voice coil motor of lower panel vibration, described voice coil motor is by the top of the cradle hangs fixed with side plate plate below, described voice coil motor one end face is fixedly connected with described support by stator, its other end is fixedly connected with lower panel by rotor, and the stator of voice coil motor does not contact lower panel.
3. amplify wooden guitar as claimed in claim 2, and it is characterized in that, described voice coil motor faces sound hole.
4. amplify wooden guitar as claimed in claim 1, it is characterized in that, also comprise a L bracket, ring the together side plate of case of one edge strip of described L bracket connects, another edge strip is parallel with top panel, and described bridge is fixed in the above by L bracket above plate, and does not contact with top panel.
5. amplify wooden guitar as claimed in claim 4, it is characterized in that, described vibration intensifier adopts at least two for strengthening the voice coil motor of above and below panel vibration respectively, two voice coil motors are placed in the top of lower panel and the below of top panel respectively by the support fixed with side plate, the stator of two voice coil motors is all fixedly connected with support, and stator does not contact upper and lower panel, the rotor of two voice coil motors is connected with top panel with lower panel respectively.
6. amplify wooden guitar as claimed in claim 4, it is characterized in that, described vibration intensifier adopts at least one power actuator, and the upper and lower end face of described power actuator is connected with the upper and lower panel of resonant tank respectively.
7. amplify wooden guitar as claimed in claim 6, it is characterized in that, described power actuator is condenser type actuator or piezo actuator.
8. the wooden guitar that amplifies as described in claim 1 to 7 any one, is characterized in that, described sound pick up equipment is the piezoelectric ceramics rod be connected with bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520745438.2U CN205104212U (en) | 2015-09-24 | 2015-09-24 | Public address wood guitar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520745438.2U CN205104212U (en) | 2015-09-24 | 2015-09-24 | Public address wood guitar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205104212U true CN205104212U (en) | 2016-03-23 |
Family
ID=55519975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520745438.2U Expired - Fee Related CN205104212U (en) | 2015-09-24 | 2015-09-24 | Public address wood guitar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205104212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185357A (en) * | 2015-09-24 | 2015-12-23 | 钞晨 | Sound amplification wooden guitar |
| CN108022576A (en) * | 2018-01-12 | 2018-05-11 | 惠州市德博声学有限公司 | A kind of stringed musical instrument is the same as frequency plus the application of public address technology and resonant horn on musical instrument of shaking |
-
2015
- 2015-09-24 CN CN201520745438.2U patent/CN205104212U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185357A (en) * | 2015-09-24 | 2015-12-23 | 钞晨 | Sound amplification wooden guitar |
| WO2017049966A1 (en) * | 2015-09-24 | 2017-03-30 | 深圳市阿莱恩斯科技有限公司 | Sound amplified guitar |
| CN105185357B (en) * | 2015-09-24 | 2017-11-28 | 深圳市阿莱恩斯科技有限公司 | One kind amplifies wooden guitar |
| CN108022576A (en) * | 2018-01-12 | 2018-05-11 | 惠州市德博声学有限公司 | A kind of stringed musical instrument is the same as frequency plus the application of public address technology and resonant horn on musical instrument of shaking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160509 Address after: 518000 Guangdong city of Shenzhen province Baoan District Xixiang street community FENDA high tech park A-103 measurements Patentee after: Shenzhen Alns Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Houhai Rd O city garden block A2 No. -6B Patentee before: Chao Chen |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20190924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |