CN210182061U

CN210182061U - Guitar

Info

Publication number: CN210182061U
Application number: CN201920721406.7U
Authority: CN
Inventors: Jian Zhang; 张健
Original assignee: Xiamen Giant Sound Culture Communication Co Ltd
Current assignee: Xiamen Giant Sound Culture Communication Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-03-24
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a guitar, which comprises a guitar body, a guitar handle and strings, a pickup, a tuner, an audio gating module, a power amplifier module, a loudspeaker, an audio output terminal and a battery; the pickup is arranged on the surface of the piano body below the strings and used for sensing the vibration of the strings, converting the vibration of the strings into electric signals and inputting the electric signals to the tuner, and the tuner outputs first audio signals; the first audio signal is input into a power amplifier through an audio gating module, and pushes a loudspeaker to sound to enter a guitar playing mode; or the audio frequency is input into the audio frequency output terminal through the audio frequency gating module, and the external sound/mute mode is entered; the loudspeaker is embedded in a sounding hole of a resonance cavity of the body, and the resonance cavity is converted into a sound box. The guitar can be played everywhere like a traditional wooden guitar, and can also be externally connected with a sound box or an earphone, so that the guitar is convenient to amplify the sound or play in a mute way.

Description

Guitar

Technical Field

The utility model relates to a plucked musical instrument field especially relates to a guitar.

Background

The guitar that commonly uses has wood guitar and electric guitar, and wood guitar triggers the resonance chamber sound production through stirring the string, but the volume size is decided by the dynamics of stirring the string and the combined action in the resonance chamber of the musical instrument body, and the volume is less, and the stage effect is poor.

The electric guitar gathers the vibration of string and output audio frequency signal of telecommunication through the adapter and exports for outside audio equipment, and through outside audio equipment sound production, power is big, but guitar itself does not sound, and outside audio equipment is heavy, and is inconvenient to carry, and the combination of electric guitar and audio equipment is expensive simultaneously, and ordinary music fan acceptance is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a guitar can assemble the advantage of wood guitar, electric guitar, can play everywhere like traditional wood guitar, also can external audio amplifier or earphone, is convenient for public address or silence and plays.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a guitar comprises a guitar body, a guitar handle and strings, a pickup, a tuner, an audio gating module, a power amplifier module, a loudspeaker, an audio output terminal and a battery;

the pickup is arranged on the surface of the piano body below the strings and used for sensing the vibration of the strings, converting the vibration of the strings into electric signals and inputting the electric signals to the tuner, and the tuner outputs first audio signals;

the first audio signal is input into a power amplifier through an audio gating module, and pushes a loudspeaker to sound to enter a guitar playing mode; or the audio frequency is input into the audio frequency output terminal through the audio frequency gating module, and the external sound/mute mode is entered;

the loudspeaker is embedded in a sounding hole of a resonance cavity of the body, and the resonance cavity is converted into a sound box.

Furthermore, the side wall of the body is provided with an inverter hole, and the inverter hole is communicated with the resonance cavity of the body and the outside of the body.

Furthermore, the inner wall of the resonance cavity is provided with sound-absorbing cotton.

The sound-absorbing cotton and the inverter holes can improve the low-pitch texture and increase the sound-producing power.

Furthermore, the guitar also comprises a Bluetooth module, wherein the Bluetooth module outputs a second audio signal, and the second audio signal is connected with the power amplifier through the audio gating module and enters a Bluetooth playing mode.

Further, the audio gating module is a toggle switch.

Further, the sound pick-up is a piezoelectric ceramic sound pick-up, and the sound pick-up is arranged below the guitar string bridge.

Further, the audio output terminal is a 3.5 mm or 6.35mm audio jack.

Further, the battery is a high-capacity lithium battery.

For current guitar, the utility model discloses a guitar sets up loudspeaker through the phonation hole in resonance chamber to convert wood guitar's resonance chamber structure into the audio amplifier, this guitar can play everywhere like traditional wood guitar, also can external stereo set or earphone, is convenient for public address or silence and plays.

The multimedia application of guitar can be richened to the joining of bluetooth module.

Drawings

FIG. 1 is a schematic view of a guitar according to a preferred embodiment of the present invention;

fig. 2 is a schematic view of the installation position of the phase guide hole of the present invention;

fig. 3 is an electrical connection block diagram of the guitar of the present invention.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 3, the utility model discloses a guitar, including the body 10, the handle 20, the headstock 30, the string 40, be provided with pickup 101, tuner 103, loudspeaker 107, bluetooth module 102, power amplifier 106, audio frequency gating module 105 and power module 108 etc. on the body.

In this embodiment, the body 10 is converted into a sound box, the horn 107 is embedded in the sounding hole of the resonance cavity of the body 10, and the resonance cavity of the body 10 is sealed to form the resonance cavity of the sound box, so as to generate a mellow and tactile middle-low sound. In order to show better sound effect, the inner wall of the resonance cavity is adhered with sound-absorbing cotton, the side wall of the resonance cavity is provided with an inverter hole 110, the arrangement of the sound-absorbing cotton and the inverter hole 110 can improve bass texture and increase sound production power, and the inverter hole 110 (or called inverter tube) has a certain length and is only suitable for being arranged on the side wall of the resonance cavity.

The pickup 101 is provided on the surface of the body 10 below the strings 40, and converts the vibrations of the strings 40 into electric signals to be inputted to the tuner 103 when the guitar is playing. In this embodiment, the pickup 101 is a piezoelectric ceramic pickup, which is a long bar and is disposed below the string bridge of the guitar, the string bridge is a thin plate for supporting the strings 40, and the piezoelectric ceramic pickup can sense the intensity and frequency of the vibration of the strings supported by the string bridge and output an electrical signal.

The tuner 103 is arranged in the body 10, a preamplifier is arranged in the tuner 103, a knob of the tuner 103 extends out of the surface of the body 10 and can be arranged on the front surface or the side surface of the body 10, the knob of the tuner 103 generally comprises a volume knob, a high-pitch knob, a middle-pitch knob and a low-pitch knob, the tuner 103 is electrically connected with the sound pick-up 101 and is used for carrying out pre-power amplification on an electric signal picked up by the sound pick-up 101, adjusting the pre-amplification factor of the electric signal through the volume knob and outputting an audio signal, and adjusting the frequency characteristics of high and low tones of the audio signal through the high-pitch knob, the middle-pitch knob and the low-pitch knob to enable the frequency characteristics to be close to the.

The output of the tuner 103 is connected to the audio gating module 105, the audio gating module 105 is used to determine the input/output channels of the audio, and the switch of the audio gating module 105 can be switched among the following modes:

(1) guitar playing mode;

(2) a Bluetooth play mode;

(3) external sound/silent mode.

In the guitar playing mode, the audio output by the tuner 103 is amplified by the power amplifier 106 and then pushes the loudspeaker 107 to produce sound so as to meet the requirement of playing with medium and small volume at home;

in the bluetooth playing mode, the bluetooth module 102 communicates with external intelligent terminal devices, such as a mobile phone and a tablet, and transmits audio on the mobile phone and the tablet to the guitar through bluetooth communication, and the audio is amplified by the power amplifier 106 and then pushes the loudspeaker 107 to produce sound for daily music appreciation, talking reading and the like, so that the mobile phone has entertainment and leisure functions;

in the external audio/mute mode, the audio output by the tuner 103 is connected to the external audio through the audio output terminal, and a large volume of sound can be provided through the external audio to satisfy the stage performance; or connected to an earphone, the guitar is converted to a silent guitar.

The power amplifier 106 is a low-power single-channel audio power amplifier within 12W, and meets the requirements of daily playing and music appreciation.

In this embodiment, the audio gating module 105 comprises a toggle switch that toggles to switch the input and output of the audio gating module 105 to enter guitar playing mode when the output of the tuner 103 is connected to the input of the power amplifier 106; when the input/output terminal of the bluetooth module 102 is connected to the input terminal of the power amplifier 106, the bluetooth play mode is entered, and when the output terminal of the tuner 103 is connected to the audio output terminal 109, the external audio/mute mode is entered. The audio gating module 105 may also be an electronic switch, and selects the input/output channel by means of a key or the like, which is conventional in the art and will not be described in detail herein.

The audio output terminal 109 is preferably a universal audio jack with a diameter of 3.5 mm or 6.35mm for connecting an external speaker or earphone. The audio output terminal 109 is generally provided on the side of the lower part of the body, and when the audio output terminal 109 is connected to an external speaker, the playing of the guitar is not affected.

The power module 108 comprises a rechargeable battery, a power supply boost circuit and a protection circuit, the protection circuit provides input and output protection for the rechargeable battery, the power supply boost circuit provides voltage adaptation for the input and output circuit of the rechargeable battery, the power module 108 respectively supplies power for the Bluetooth module 102, the tuner 103, the audio gating module 105 and the power amplifier 106, the rechargeable battery is a large-capacity lithium battery, 2 sections 18650 of lithium batteries are preferably adopted, the capacity of the 18650 batteries is 1200 + 3600mAH, and the whole long-time guitar playing or music appreciation, vocal reading and the like can be guaranteed.

For charging the rechargeable battery in the power module 108, it is preferable to provide a USB interface such as Mini USB, microsusb, Type-C, or a dc power socket to connect a power adapter to charge the rechargeable battery. More specifically, a charging protection and charging voltage adaptation circuit is arranged at the front end of the rechargeable battery to ensure charging safety; a boost-buck circuit is provided at the rear end output of the rechargeable battery to respectively supply power to the power amplifier 106, the tuner 103, and the bluetooth module 102, which are conventional technical means of those skilled in the art and will not be described in detail herein.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a guitar, includes the musical instrument body, musical instrument handle and string, its characterized in that: the device also comprises a sound pick-up, a tuner, an audio gating module, a power amplifier module, a loudspeaker, an audio output terminal and a battery;

2. The guitar of claim 1, wherein: the side wall of the body is provided with an inverter hole which is communicated with the resonance cavity of the body and the outside of the body.

3. The guitar of claim 1, wherein: the inner wall of the resonance cavity is provided with sound-absorbing cotton.

4. The guitar of claim 1, wherein: the guitar also comprises a Bluetooth module, wherein the Bluetooth module outputs a second audio signal, and the second audio signal is connected with the power amplifier through the audio gating module and enters a Bluetooth playing mode.

5. The guitar of claim 1, wherein: the audio gating module is a toggle switch.

6. The guitar of claim 1, wherein: the adapter is piezoceramics adapter, the adapter sets up the below at the guitar bridge.

7. The guitar of claim 1, wherein: the audio output terminal is a 3.5 mm or 6.35mm audio jack.

8. The guitar of claim 1, wherein: the battery is a high-power lithium battery.