CN209070962U - A kind of wooden guitar of expansible volume - Google Patents

Abstract

The utility model discloses a kind of wooden guitars of expansible volume, including qin case, the qin handle being connect with qin case, zither bridge above qin case panel, the string being connected in qin handle and zither bridge, convert the vibration of the string in the sound pick-up of electric signal, the electric signal is expanded to and is generated the public address set that active force is applied on the qin case panel and backboard, it is characterized in that, the both ends of the zither bridge are fixed by the zither bridge fixed plate fixed with qin handle and the zither bridge extension plate fixed with qin case side plate respectively, it is located at the zither bridge and the sound pick-up being fixed in zither bridge vacantly above qin case panel.The utility model efficiently solves the problems, such as that existing guitar sound is too small.

Description

A kind of wooden guitar of expansible volume

Technical field

The utility model relates to the wooden guitar more particularly to a kind of primary sound wood guitars of expansible volume.

Background technique

Primary sound wood guitar (Acoustic Guitar) can be described as one of current musical instrument most popular in the world.Because wooden Guitar can not only pop up melody and harmony abundant with the property sung, and tone color can also have colorful variation, add it Portable characteristic becomes the most extensive welcome musical instrument in the world today.And its is with a long history, and text can be traced in Europe Skill revives period, even if by the development evolvement of centuries, it is still flourishing long time so far.

But the wooden maximum disadvantage of guitar is that volume is less than normal.In the classical music epoch, this disadvantage allows for guitar and is difficult Association plays with the cooperation of other musical instruments, greatly hinders guitar as an important classic musical instrument.The electric era now, it is advanced The electricity technology of amplifying make guitar obtain new life, develop as one of most important musical instrument of current band --- electric guitar, In addition, original primary sound wood guitar can also become electronic box qin by sound pick-up, by external speaker, sound can be significantly extended Amount.

Although the above method solves the problems, such as the volume of primary sound wood guitar, while also bringing following new problem:

1, the wooden guitar need to arrange in pairs or groups preferable external speaker or sound system could obtain the relatively satisfactory sound quality that amplifies, these sounds Case system is typically more heavy, this substantially reduces the portable sexual clorminance of wooden guitar itself.In addition, musical instrument sound effect is good It is bad also no longer to depend primarily on musical instrument itself but depend on boom box system；

2, right rather than from the vibration of musical instrument panel itself since the musical sound of this method is broadcasted in speaker Its demand is unable to satisfy for the serious music people of the wooden guitar primary sound in the scene of pursuing.

It 3, is not integral type as the sound box system of sound generation source and practical sounding due to the wooden guitar, player's meeting Feel that arbitrary the musical sound played cannot be controlled, the performance of performance can have a greatly reduced quality.

Summary of the invention

The utility model in order to solve the above-mentioned wood guitar of primary sound in the prior art volume it is not big enough, can not be real by loudspeaker The technical issues of existing primary sound, propose a kind of wooden guitar of expansible volume, including qin case, the qin handle connecting with qin case is set to qin Zither bridge above case panel, the string being connected in qin handle and zither bridge convert the vibration of the string to the pickup of electric signal The electric signal is expanded and is generated the public address set that active force is applied on the qin case panel and backboard by device, special Sign is that the both ends of the zither bridge extend by the zither bridge fixed plate fixed with qin handle and with the fixed zither bridge of qin case side plate respectively Plate is fixed, and is located at the zither bridge and the sound pick-up being fixed in zither bridge vacantly above qin case panel.

In a specific embodiment, the public address set includes: the telecommunications for being exported sound pick-up by power amplifier Number carry out it is preposition amplification and power amplification audio processing modules, converting amplified electric signal to makes string panel and backboard The vibration booster of relative constriction or the active force of expansion, and the power supply of electric power is provided.

Preferably, the sound pick-up is the piezoelectricity pickup stick fixed with zither bridge.

Preferably, the audio processing modules further include the effect device for connecting the sound pick-up, by sound pick-up and effect device The first Audio mixer that the signal of output is mixed, the of the output of connection signal input interface and the first Audio mixer Two Audio mixers, the power amplifier connect the output of the second Audio mixer.

In one embodiment, the vibration booster includes the fixing seat fixed with qin case panel or qin case backboard, peace The voice coil motor of dress on the fixing seat, connects the vibration of the tache motorice and qin case backboard or qin case panel of voice coil motor Plate.In another embodiment, the vibration booster is the power actuator that both ends are connected with qin case panel and backboard respectively.

Specifically, the power supply uses rechargeable battery or storage battery power supply.

Preferably, the qin handle and zither bridge extension plate are connect by two pieces of vertical plates with qin case side plate, fix qin handle, zither bridge Plate, zither bridge extension plate are spaced apart with qin case panel top as a whole.

Preferably, it is connected between the vertical plate and qin case side plate by damping part.The damping part is felt.

The utility model compared with prior art, has the advantages that

1, guitar does not need external audio frequency cable, does not need external speaker, and it is all and its convenient either to play or carry.

2, guitar sound derives from the vibration of itself panel of qin body, rather than external speaker sounding, sound natural reality meet Most high request of the serious music man to musical instrument primary sound quality.

3, the size of guitar volume playing dynamics and control by player completely, not factor (such as sound other than by qin body Case) it influences, it is highly convenient for player and controls, the arbitrary performance music of player can be enabled.

4, guitar volume obtain it is obvious expand so that its be not necessarily to amplify with other musical instrument (such as violin, piano, wind instrument, Percussion instrument etc.) volume reach the degree to match, facilitate guitar under the premise of without boom box public address system, freely Arrange in pairs or groups with other musical instruments, form duet, multiple play or a variety of musical forms, the extreme enrichment guitar sound such as are played at by association, band Happy breadth and depth.

Detailed description of the invention

Fig. 1 is the installation diagram of the utility model.

Fig. 2 is the partial structural diagram of the utility model.

Fig. 3 is the structural schematic diagram of vibration one embodiment of booster of the utility model.

Fig. 4 is the structural block diagram of the utility model audio processing modules.

Specific embodiment

With reference to the accompanying drawing and the principles of the present invention and structure are described in detail in embodiment.

The wooden guitar that can extend volume that one preferred embodiment of the utility model is proposed include the wooden guitar itself with And sound pick-up and public address set on the wooden guitar are set.

Sound pick-up is used to high fidelity convert electric signal for the vibration of string, in a specific embodiment, can adopt With piezoelectric pickup, so that the electric signal has wide dynamic range.Public address set includes audio processing modules 22, vibration increasing Strong device and power supply 24.Audio processing modules are included at least before a power amplifier carries out the electric signal of sound pick-up and are put Big and power amplification.Vibration booster, which converts amplified electric signal to, makes string panel and backboard relative constriction or expansion Active force, to extend the volume of the wooden guitar.Power supply is then used to provide electric power, specific power supply can using rechargeable battery or It is battery, and is equipped with corresponding control circuit, requirement of the utility model to rechargeable battery or battery is stored by it Electricity need to maintain guitar to play for a long time, such as the time of 2~3 times of normal concerts, while the weight of battery pack cannot enable Ji He dramatically increases overall weight, influences the portable attribute of guitar.

As shown in Figure 1, the wooden guitar of the utility model includes: qin case 7, the qin handle 1(qin handle 1 connecting with qin case 7 includes qin Head and neck, label 1 have been fallen on scroll head), the zither bridge 3(that 6 top of qin case panel is arranged in also is bridge), it is connected to qin handle 1 With the string (not shown) in zither bridge 3, the zither bridge fixed plate 2 of zither bridge 3 and qin handle 1 is connected, connects zither bridge 3 and qin case side plate Zither bridge extension plate 4.Sound pick-up is mounted on the lower section of zither bridge 3, in order to prevent public address set sound pick-up contacted with qin case panel 6 and It generates positive feedback to utter long and high-pitched sounds, needs for zither bridge 3 and string to be vacantly located at 6 top of qin case panel.In the specific reality that Fig. 2 is shown It applies in example, qin handle 1 and zither bridge extension plate 4 are fixedly connected by two pieces of vertical plates 21,5 with qin case side plate 7 respectively, vertical plate 21 and vertical Plate 5 is connect each by two pin shafts with qin case side plate 7, by entire zither bridge fixed plate 2, zither bridge 3, zither bridge extension plate 4 and qin case Certain distance is isolated.Further with the junction of qin case side plate 7 can also uniformly pad felt in vertical plate realize it is soft contact, thus It realizes that qin case itself vibration is not transferred on string and forms positive feedback.In other embodiments, qin handle 1 and zither bridge extension plate 4 It can also be connected to by damping device on the either qin case side plate of qin case panel 6.Either felt is replaced with other soft The damping part, such as foam etc. of property material.

As shown in figure 3, a specific embodiment of the vibration booster of the utility model includes fixing seat 31, voice coil motor 32 and oscillating plate 33.Fixing seat 31 can be fixed with qin case panel 6 or qin case backboard 8, and voice coil motor 32 is mounted on fixing seat 31 On, the tache motorice and qin case backboard 8 or qin case panel 6 of the connection voice coil motor 32 of oscillating plate 33, i.e., when fixing seat 31 connects qin Then oscillating plate 33 connects qin case backboard 8 when case panel 6, and when fixing seat 31 connects qin case backboard 8, then oscillating plate 33 connects qin case Panel 6, fixing seat 31 and oscillating plate 33 are fixed by the way of bonding with qin case.

In another embodiment, vibration booster can also use power actuator, and the both ends of power actuator are distinguished It is connect with qin case panel 6 and qin case backboard 8.

As shown in figure 4, the specific structure of a preferred embodiment of the audio processing modules 22 of the utility model is in addition to function It further include effect device, the first Audio mixer, the second Audio mixer and a signal input interface other than rate amplifier.When When effect device is closed and signal input interface does not have input signal access, the electric signal of sound pick-up passes through the first, second audio Mixer does not change later, and vibration booster is given in output after directly being amplified by power amplifier.Work as effect device When opening, the signal of sound pick-up and effect device output can be mixed by the first Audio mixer, if signal input at this time connects Mouthful without input signal access, then be increased by effect electric signal can be amplified by power amplifier after output to vibration increase Strong device.Such as user selects the effect of effect device for Echo (can also be recording studio effect or spot effect etc.), then After the guitar music played will be mixed into Echo, vibrates and issue through qin case after being amplified.When effect device is not opened, letter Number input interface has input signal access, it may be possible to microphone access, it is also possible to which the access of other music, then the input signal will It is amplified to output after being mixed with the output of the first Audio mixer through the second Audio mixer.Such as user can access microphone It sings while playing guitar, song and guitar sound will be simultaneously amplified.When effect device open synchronous signal input interface have it is defeated When entering signal access, then the song or music of the guitar sound and user's input that have been added effect will be amplified to output together.In this way So that audio processing modules have fidelity as high as possible and dynamic range as wide as possible, it is a variety of more to meet player The musical of sample.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of wooden guitar of expansible volume, including qin case, the qin handle being connect with qin case, the qin above qin case panel Bridge, the string being connected in qin handle and zither bridge convert the vibration of the string in the sound pick-up of electric signal, by the electric signal Expanded and generated the public address set that active force is applied on the qin case panel and backboard, which is characterized in that the zither bridge Both ends fixed respectively by the zither bridge fixed plate fixed with qin handle and the zither bridge extension plate fixed with qin case side plate, make the qin Bridge and the sound pick-up being fixed in zither bridge are vacantly located above qin case panel.

2. the wooden guitar of expansible volume as described in claim 1, which is characterized in that the public address set includes: to pass through function The electric signal is carried out the audio processing modules of preposition amplification and power amplification by rate amplifier, and amplified electric signal is converted For the vibration booster for making string panel and backboard relative constriction or the active force of expansion, and the power supply of offer electric power.

3. the wooden guitar of expansible volume as described in claim 1, which is characterized in that the sound pick-up is fixed with zither bridge Piezoelectricity pickup stick.

4. the wooden guitar of expansible volume as claimed in claim 2, which is characterized in that the audio processing modules further include connecting The effect device for connecing the sound pick-up, the first Audio mixer that the signal that sound pick-up and effect device export is mixed, connection Second Audio mixer of the output of signal input interface and the first Audio mixer, the power amplifier connect the second audio The output of mixer.

5. the wooden guitar of expansible volume as claimed in claim 2, which is characterized in that the vibration booster includes and qin case The fixing seat that panel or qin case backboard are fixed, installs voice coil motor on the fixing seat, connects the tache motorice of voice coil motor And the oscillating plate of qin case backboard or qin case panel.

6. the wooden guitar of expansible volume as claimed in claim 2, which is characterized in that the vibration booster is both ends difference The power actuator being connected with qin case panel and backboard.

7. the wooden guitar of expansible volume as claimed in claim 2, which is characterized in that the power supply using rechargeable battery or Storage battery power supply.

8. the wooden guitar of expansible volume as described in claim 1, which is characterized in that the qin handle and zither bridge extension plate pass through Two pieces of vertical plates are connect with qin case side plate, make qin handle, zither bridge fixed plate, zither bridge extension plate as a whole and above qin case panel It is spaced apart.

9. the wooden guitar of expansible volume as claimed in claim 8, which is characterized in that lead between the vertical plate and qin case side plate Cross damping part connection.

10. the wooden guitar of expansible volume as claimed in claim 9, which is characterized in that the damping part is felt or bubble Cotton.