CN219676883U - Built-in horn structure for digital harmonica - Google Patents

Abstract

The utility model discloses a digital harmonica with an increased built-in loudspeaker structure, which belongs to the field of electronic musical instruments and comprises a harmonica body, wherein a mouthpiece is arranged on the harmonica body, a sensor matched with the mouthpiece is arranged in the harmonica body, the sensor is electrically connected with a circuit board arranged in the harmonica body, the digital harmonica further comprises a built-in loudspeaker and a loudspeaker sound outlet, the built-in loudspeaker is arranged in the harmonica body and is electrically connected with the circuit board, and the harmonica body is provided with the loudspeaker sound outlet matched with the built-in loudspeaker. The utility model can embed the built-in loudspeaker into the body of the digital harmonica, thereby saving the cost and the use complexity of users, and enabling the built-in loudspeaker to work cooperatively with the harmonica main body to form a more complete music playing system.

Description

Built-in horn structure for digital harmonica

Technical Field

The utility model relates to the technical field of musical instruments, in particular to a digital harmonica with a built-in horn structure.

Background

Traditional digital harmonica is not equipped with built-in horns, and users can hear sound through external horns or other sound equipment. External loudspeaker is inconvenient to carry and often needs to be purchased separately, which increases the cost and the use complexity of users. Therefore, there is a need for a design that can add a built-in horn structure to a digital harmonica to enhance its use experience.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a digital harmonica with a built-in horn structure.

The aim of the utility model is realized by the following technical scheme:

the digital harmonica is added with a built-in loudspeaker structure, the digital harmonica comprises a harmonica body, a mouthpiece is arranged on the harmonica body, a sensor matched with the mouthpiece is arranged in the harmonica body, the sensor is electrically connected with a circuit board arranged in the harmonica body, the digital harmonica further comprises a built-in loudspeaker and a loudspeaker sound outlet hole, the built-in loudspeaker is arranged in the harmonica body and electrically connected with the circuit board, and the harmonica body is provided with the loudspeaker sound outlet hole matched with the built-in loudspeaker.

Further, the music instrument also comprises an audio adjusting circuit module and an audio amplifying circuit module, wherein the audio adjusting circuit module and the audio amplifying circuit module are arranged in the music instrument body, and the built-in loudspeaker is electrically connected with the circuit board after passing through the audio adjusting circuit module and the audio amplifying circuit module in sequence.

Further, the audio adjusting circuit module and the audio amplifying circuit module are fixedly arranged on the circuit board.

The beneficial effects of the utility model are as follows:

the utility model can embed the built-in loudspeaker into the body of the digital harmonica, thereby saving the cost and the use complexity of users, and enabling the built-in loudspeaker to work cooperatively with the harmonica main body to form a more complete music playing system.

Drawings

FIG. 1 is a cross-sectional connection block diagram of the present utility model;

FIG. 2 is a perspective connection structure of a built-in horn in a body;

FIG. 3 is a perspective connection structure of a speaker port on a body;

in the figure, a 1-mouthpiece, a 2-musical instrument body, a 3-sensor, a 4-built-in loudspeaker, a 5-circuit board, a 6-audio adjusting circuit module, a 7-audio amplifying circuit module and an 8-loudspeaker sound outlet.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Referring to fig. 1-3, the present utility model provides a technical solution:

the digital harmonica is increased and is built-in horn structure, and comprises a harmonica body 2, wherein a mouthpiece 1 is arranged on the harmonica body 2, a sensor 3 matched with the mouthpiece 1 is arranged in the harmonica body 2, the sensor 3 is electrically connected with a circuit board 5 arranged in the harmonica body 2, the digital harmonica further comprises a built-in horn 4 and a horn sound outlet 8, the built-in horn 4 is arranged in the harmonica body 2 and is electrically connected with the circuit board 5, and the harmonica body 2 is provided with the horn sound outlet 8 matched with the built-in horn 4. The music instrument also comprises an audio frequency adjusting circuit module 6 and an audio frequency amplifying circuit module 7, wherein the audio frequency adjusting circuit module 6 and the audio frequency amplifying circuit module 7 are arranged in the music instrument body 2, and the built-in loudspeaker 4 is electrically connected with the circuit board 5 after sequentially passing through the audio frequency adjusting circuit module 6 and the audio frequency amplifying circuit module 7. The audio adjusting circuit module 6 and the audio amplifying circuit module 7 are fixedly arranged on the circuit board 5. The sensor 3 is an air pressure sensor in the prior art, the circuit board 5 is a circuit board in the prior art, the audio adjusting circuit module 6 and the audio amplifying circuit module 7 are electronic components in the prior art, the audio adjusting circuit module 6 is an audio adjusting circuit arranged in the electronic components, the audio amplifying circuit module 7 is an audio amplifying circuit arranged in the electronic components, and the built-in loudspeaker 4 is arranged in a harmonica body of the digital harmonica and has compatibility to adapt to various types of digital harmonica. The audio amplifying circuit and the audio adjusting circuit should be installed inside the digital harmonica body to amplify and adjust the audio output signal of the digital harmonica body and transmit it to the built-in horn. The amplifying circuit should have the function of adjusting the volume and the tone quality to meet different performance requirements. The electronic components connected with the signal circuit fixed on the built-in loudspeaker comprise an anti-interference circuit and an amplifying circuit so as to optimize the sound effect.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "inner", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims (3)

1. The digital harmonica is increased and is built-in loudspeaker structure, including the body (2), be provided with mouthpiece (1) on the body (2), be provided with in the body (2) with mouthpiece (1) complex sensor (3), sensor (3) with circuit board (5) electricity that set up in the body (2) are connected, its characterized in that: the novel musical instrument also comprises a built-in loudspeaker (4) and a loudspeaker sound outlet hole (8), wherein the built-in loudspeaker (4) is arranged in the musical instrument body (2) and is electrically connected with the circuit board (5), and the musical instrument body (2) is provided with the loudspeaker sound outlet hole (8) matched with the built-in loudspeaker (4).

2. The digital harmonica with built-in horn structure according to claim 1, wherein: the music instrument also comprises an audio adjusting circuit module (6) and an audio amplifying circuit module (7), wherein the audio adjusting circuit module (6) and the audio amplifying circuit module (7) are arranged in the music instrument body (2), and the built-in loudspeaker (4) is electrically connected with the circuit board (5) after sequentially passing through the audio adjusting circuit module (6) and the audio amplifying circuit module (7).

3. The digital harmonica with built-in horn structure according to claim 2, wherein: the audio adjusting circuit module (6) and the audio amplifying circuit module (7) are fixedly arranged on the circuit board (5).