CN207053738U

CN207053738U - Audio amplifier

Info

Publication number: CN207053738U
Application number: CN201720764457.9U
Authority: CN
Inventors: 李成果
Original assignee: Shenzhen Star Technology Co Ltd
Current assignee: Shenzhen Star Technology Co Ltd
Priority date: 2017-06-28
Filing date: 2017-06-28
Publication date: 2018-02-27
Anticipated expiration: 2027-06-28

Abstract

A kind of audio amplifier is the utility model is related to, including：Casing, at least two gas drainage devices, the first loudspeaker, the second loudspeaker and the gas eduction unit of inner chamber are surrounded out, at least two gas drainage devices, the first loudspeaker and the second loudspeaker are arranged in inner chamber；Gas drainage device includes dividing plate and discharge guiding pipe, and through hole is provided with dividing plate, and discharge guiding pipe is internally provided with helicoidal structure, and discharge guiding pipe connects with through hole；Inner chamber is separated into source of sound chamber and gas accumulation chamber by dividing plate, and discharge guiding pipe connection source of sound chamber and gas accumulation chamber, gas eduction unit are arranged on air accumulation chamber；Source of sound chamber includes the first source of sound chamber and the second source of sound chamber, and air accumulation chamber is between the first source of sound chamber and the second source of sound chamber；First source of sound chamber and the second source of sound chamber are symmetricly set on the both ends of inner chamber, and the first loudspeaker are arranged on the first source of sound intracavitary, and the second loudspeaker are arranged on the second source of sound intracavitary.Not only bass effect is good for the utility model, and cost is low, is easy to promote the use of.

Description

Audio amplifier

Technical field

It the utility model is related to speaker technology field, more particularly to a kind of audio amplifier.

Background technology

Current column audio amplifier is because volumetric constraint is in narrow space, it is difficult to adjustment goes out good bass tones, therefore, Bass tones are improved using subwoofer more, however, complicated using the column loudspeaker box structure of subwoofer, cost is high.

In addition, vertical performance type power amplifier is done without improvement column audio amplifier on the market at present, only traditional vertical loudspeaker, but It is that certain structures are excessively complicated, number of parts is more, and manufacture precision prescribed is high, is difficult to control, and cost is high, although some structures are simple It is single, but easily failure, reliability is not high, and tone color is not good enough.

Utility model content

The utility model proposes a kind of audio amplifier, it is intended to simplifies loudspeaker box structure, reduces cost, improves bass effect.

To achieve the above object, the utility model is achieved in that the utility model proposes a kind of audio amplifier, including：Enclose Lay out casing, at least two gas drainage devices, the first loudspeaker, the second loudspeaker and the gas eduction unit of inner chamber, it is described at least Two gas drainage devices, the first loudspeaker and the second loudspeaker are arranged in the inner chamber；

The gas drainage device includes dividing plate and discharge guiding pipe, is provided with through hole on the dividing plate, the discharge guiding pipe it is interior Portion is provided with helicoidal structure, and the discharge guiding pipe connects with the through hole；The inner chamber is separated into source of sound chamber by the dividing plate With gas accumulation chamber, the discharge guiding pipe connects the source of sound chamber and gas accumulation chamber, and the gas eduction unit is arranged on described On air accumulation chamber；

The source of sound chamber includes the first source of sound chamber and the second source of sound chamber, and the air accumulation chamber is located at the first source of sound chamber Between the second source of sound chamber；

The first source of sound chamber and the second source of sound chamber are symmetricly set on the both ends of the inner chamber, and first loudspeaker are set Put and be arranged on the second source of sound intracavitary in the first source of sound intracavitary, second loudspeaker.

Further technical scheme of the present utility model is that the audio amplifier also includes being used for the support for supporting the casing Frame.

Further technical scheme of the present utility model is, the discharge guiding pipe include the first discharge guiding pipe, the second discharge guiding pipe and 3rd discharge guiding pipe, it is provided with the dividing plate corresponding with first discharge guiding pipe, the second discharge guiding pipe, the 3rd discharge guiding pipe respectively First through hole, the second through hole, third through-hole.

Further technical scheme of the present utility model is, the gas eduction unit include gas outlet and cover it is described go out The outlet mouth mask of gas port, the gas outlet are arranged on the air accumulation chamber, and the outlet mouth mask is provided with opening.

Further technical scheme of the present utility model is that the outlet mouth mask includes cover body and prolonged from the cover body surrounding The frame stretched, has gap between the cover body and the casing, the opening is arranged on the frame.

Further technical scheme of the present utility model is that the opening includes symmetrically arranged first opening and second and opened Mouthful.

Further technical scheme of the present utility model is that the communication being connected with server communication is provided with the inner chamber Module, the server storage have the audio file of advance typing.

The beneficial effects of the utility model are：The utility model proposes audio amplifier by being internally provided with leading for helical structure Low-frequency vibration air is exported air accumulation by comb after source of sound chamber exports to air accumulation chamber, then by gas eduction unit Chamber, bass effect is not only improved, and relative to prior art, reduce the use of subwoofer, reduce cost.

Brief description of the drawings

Fig. 1 be the utility model proposes audio amplifier structural representation；

Fig. 2 be the utility model proposes audio amplifier gas drainage device dimensional structure diagram；

Fig. 3 be the utility model proposes audio amplifier gas drainage device perspective view.

Drawing reference numeral：

Casing -10；

First source of sound chamber -101；

Second source of sound chamber -102；

Air accumulation chamber -103；

Gas drainage device -20；

Dividing plate -201；

Discharge guiding pipe -202；

Helicoidal structure -2021；

Through hole -203；

First loudspeaker -30；

Second loudspeaker -40；

Gas outlet -50.

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.

Embodiment

It should be appreciated that specific embodiment described herein is not used to limit this only to explain the utility model Utility model.

Primary solutions of the present utility model are：The utility model proposes audio amplifier pass through gas eduction unit, set Gas in source of sound chamber is exported inner chamber by least two gas drainage devices for having helicoidal structure, improves bass effect and sound Color table shows.

In view of above-mentioned technical problem, the utility model proposes a kind of audio amplifier simple in construction, cost is low, bass effect is good.

Specifically, refer to shown in Fig. 1 to Fig. 3, the utility model preferred embodiment proposes a kind of audio amplifier, including：Surround Go out casing 10, at least two gas drainage devices 20, the first loudspeaker 30, the second loudspeaker 40 and the gas eduction unit of inner chamber, gas Body drainage device 20, the first loudspeaker 30 and the second loudspeaker 40 are arranged in inner chamber；

Wherein, gas drainage device 20 includes dividing plate 201 and discharge guiding pipe 202, and through hole 203, guide are provided with dividing plate 201 Pipe 202 is internally provided with helicoidal structure 2021, and discharge guiding pipe 202 connects with through hole 203；Inner chamber is separated into by dividing plate 201 Source of sound chamber and gas accumulation chamber 103, discharge guiding pipe 202 connect source of sound chamber and gas accumulation chamber 103, and gas eduction unit is arranged on gas In body accumulation chamber 103.

It is worth mentioning that the helical structure 2021 that the inside of discharge guiding pipe 202 is set is advantageous to lift low frequency in discharge guiding pipe 202 The Oscillation Amplitude of air is vibrated, so as to lift bass effect.

Source of sound chamber includes the first source of sound chamber 101 and the second source of sound chamber 102, and air accumulation chamber 103 is located at the first source of sound chamber 101 Between the second source of sound chamber 102.

First source of sound chamber 101 and the second source of sound chamber 102 are symmetricly set on the both ends of inner chamber, and the first loudspeaker 30 are arranged on first In source of sound chamber 101, the second loudspeaker 40 are arranged in the second source of sound chamber 102.

The audio amplifier that the present embodiment proposes is by being internally provided with the discharge guiding pipe 202 of helical structure 2021 by low-frequency vibration air Air accumulation chamber 103 is exported after source of sound chamber exports to air accumulation chamber 103, then by gas eduction unit, improves bass Effect, and reduce cost.

In order to further improve bass effect and be easy to place audio amplifier, the audio amplifier that the present embodiment proposes is additionally provided with for branch The support frame of casing 10 is supportted, the support frame may be mounted at the middle part of casing 10, can also be arranged on the both ends of casing 10, The present embodiment is not construed as limiting to the shape, number and installation site of support frame, and the support frame causes casing 10 to be suspended in the air, Allow the middle bass angle of departure to obtain optimal response, improve optimal tone color expressive ability to reach, obtain optimal bass effect.

As a kind of embodiment, the quantity of discharge guiding pipe 202 is closed with the cooperating number of through hole 203, can have one, also may be used It is multiple to have.In the present embodiment, discharge guiding pipe 202 includes the first discharge guiding pipe, the second discharge guiding pipe and the 3rd discharge guiding pipe, on dividing plate 201 It is provided with first through hole corresponding with the first discharge guiding pipe, the second discharge guiding pipe, the 3rd discharge guiding pipe respectively, the second through hole, threeway Hole.

It is understood that the low frequency audio of different frequency and amplitude can be obtained by different discharge guiding pipes, so that User obtains best sound experience.

As a kind of embodiment, gas eduction unit includes gas outlet 50 and covers the outlet mouth mask of gas outlet 50, goes out Gas port 50 is arranged on air accumulation chamber 103, and outlet mouth mask is provided with opening, and the outlet mouth mask includes cover body and from cover body surrounding The frame extended, has a gap between cover body and casing 10, the gas discharge in supplied gas accumulation chamber 103.The opening is set Put on frame, including the first opening and the second opening being symmetricly set on frame.

It is worth mentioning that being provided with the communication module being connected with server communication in inner chamber, server storage has in advance The audio file of typing.

When specifically used, user can prestore audio file, such as music textbook content into server, reach confession The purpose of the timely reference of learner.

The utility model has the advantages that：The audio amplifier that the present embodiment proposes will by being internally provided with the discharge guiding pipe of helical structure Low-frequency vibration air exports air accumulation chamber after source of sound chamber exports to air accumulation chamber, then by gas eduction unit, not only Bass effect is improved, and relative to prior art, reduces the use of subwoofer, reduces cost.

Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, Every equivalent structure made using the utility model specification and accompanying drawing content or flow conversion, or be directly or indirectly used in Other related technical fields, are similarly included in scope of patent protection of the present utility model.

Claims

A kind of 1. audio amplifier, it is characterised in that including：Surround out the casing, at least two gas drainage devices, the first loudspeaker of inner chamber , the second loudspeaker and gas eduction unit, at least two gas drainage device, the first loudspeaker and second loudspeaker be arranged at institute State in inner chamber；

The gas drainage device includes dividing plate and discharge guiding pipe, is provided with through hole on the dividing plate, the inside of the discharge guiding pipe is set Helicoidal structure is equipped with, the discharge guiding pipe connects with the through hole；It is gentle that the inner chamber is separated into source of sound chamber by the dividing plate Body accumulation chamber, the discharge guiding pipe connect the source of sound chamber and gas accumulation chamber, the gas eduction unit and are arranged on the gas In accumulation chamber；

The source of sound chamber includes the first source of sound chamber and the second source of sound chamber, and the air accumulation chamber is located at the first source of sound chamber and institute State between the second source of sound chamber；

The first source of sound chamber and the second source of sound chamber are symmetricly set on the both ends of the inner chamber, and first loudspeaker are arranged on The first source of sound intracavitary, second loudspeaker are arranged on the second source of sound intracavitary.
2. audio amplifier according to claim 1, it is characterised in that the audio amplifier also includes being used for the support for supporting the casing Frame.
3. audio amplifier according to claim 2, it is characterised in that the discharge guiding pipe includes the first discharge guiding pipe, the second discharge guiding pipe With the 3rd discharge guiding pipe, it is provided with the dividing plate corresponding with first discharge guiding pipe, the second discharge guiding pipe, the 3rd discharge guiding pipe respectively First through hole, the second through hole, third through-hole.
4. audio amplifier according to claim 3, it is characterised in that the gas eduction unit includes gas outlet and covered described The outlet mouth mask of gas outlet, the gas outlet are arranged on the air accumulation chamber, and the outlet mouth mask is provided with opening.
5. audio amplifier according to claim 4, it is characterised in that the outlet mouth mask includes cover body and from the cover body surrounding The frame extended, has gap between the cover body and the casing, the opening is arranged on the frame.
6. audio amplifier according to claim 5, it is characterised in that the opening includes symmetrically arranged first opening and second Opening.
7. according to the audio amplifier described in claim 1-6 any one, it is characterised in that be provided with the inner chamber and lead to server Believe the communication module of connection, the server storage has the audio file of advance typing.