CN218634274U

CN218634274U - Voice coil with distortion reducing function

Info

Publication number: CN218634274U
Application number: CN202222944153.4U
Authority: CN
Inventors: 龙仕成
Original assignee: Chongqing Baiyisheng Electronic Co ltd
Current assignee: Chongqing Baiyisheng Electronic Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-14
Anticipated expiration: 2032-11-04

Abstract

The utility model provides a voice coil loudspeaker voice coil with reduce distortion function relates to the technical field of speaker part, including fixed pipe, around establishing the coil of fixing in fixed socle end, bond on the top of fixed pipe and be fixed with energy-absorbing piece, energy-absorbing piece sets up the inside at fixed pipe, the energy-absorbing piece is used for absorbing the vibration energy of dust cap internal reflection when speaker sound production. The device has the advantage of absorbing the sound wave energy reflected by the dust cap so as to improve the fidelity of the sound production of the loudspeaker.

Description

Voice coil with distortion reducing function

Technical Field

The utility model relates to a technical field of speaker part especially relates to a voice coil loudspeaker voice coil with reduce distortion function.

Background

The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker has great influence on the sound quality. The voice coil is a driving unit of a cone loudspeaker, and is wound on a fixed tube by a thin copper wire, and is generally wound with dozens of turns, also called as a coil, and is used for being placed in a magnetic suspected gap formed by a magnetic core column and a magnetic conductive plate, the voice coil is fixed with the cone, and when a sound current signal is introduced into the voice coil, the voice coil vibrates to drive the cone to vibrate.

There is prior art, according to the chinese utility model patent of grant publication No. CN203015108U, it discloses a novel speaker, including the speaker body, the speaker body includes speaker support, speaker vibrating diaphragm, dustproof cap, bullet ripples, voice coil loudspeaker voice coil, magnetic structure, base, speaker vibrating diaphragm, dustproof cap, bullet ripples are installed on the speaker support, magnetic structure fixes on the base, the voice coil loudspeaker voice coil sets up in magnetic structure, the voice coil loudspeaker voice coil includes first voice coil loudspeaker voice coil, second voice coil loudspeaker voice coil, first voice coil loudspeaker voice coil, the reverse coiling of second voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil includes voice coil frame, voice coil line, the voice coil line twines in voice coil frame middle part, voice coil frame upper end sets up at least one blow vent.

There is following technical problem among the prior art, voice coil loudspeaker voice coil, dust cap and vibrating diaphragm form a relative confined space, and the energy that produces sound wave vibration when the speaker sound production is continuous reflects in the confined space, leads to the unable quick recovery of voice coil loudspeaker voice coil and vibrating diaphragm to steady state for the sound distortion that sends, tone quality is relatively poor.

SUMMERY OF THE UTILITY MODEL

To prior art exist not enough, this scheme provides a voice coil loudspeaker voice coil with reduce distortion function, and it has solved the unable quick recovery of voice coil loudspeaker voice coil and vibrating diaphragm to the problem that steady state leads to speaker sound production distortion.

According to the utility model discloses an embodiment, a voice coil loudspeaker voice coil with reduce distortion function, including fixed pipe, around establishing the coil of fixing in fixed socle end, it is fixed with energy-absorbing piece to bond on the top of fixed pipe, energy-absorbing piece sets up the inside at fixed pipe, energy-absorbing piece is used for absorbing the vibration energy of the inside reflection of dust cap when the speaker sound production.

Through above technical scheme, when using the speaker that is provided with this voice coil loudspeaker voice coil, the vibration sound wave that voice coil loudspeaker voice coil, vibrating diaphragm and dust cap produced is downthehole reflection to energy-absorbing piece department in this closed hole, and energy-absorbing piece absorbs the vibration sound wave in the enclosure space for the voice coil loudspeaker voice coil can be quick resume to stable state, makes the bullet ripples of speaker and the follow-up action of vibrating diaphragm more balanced steady, reduces the distortion of speaker, makes the tone quality of the sound that the speaker sent better.

Preferably, the energy absorbing member is a honeycomb-shaped flat plate member, and an opening of the honeycomb-shaped flat plate member is arranged toward a side wall of the fixed pipe.

Through above technical scheme, utilize honeycomb holes on the honeycomb dull and stereotyped component, can absorb the vibration sound wave that the speaker produced, and the vibration sound wave is continuous in honeycomb holes attenuates for the voice coil loudspeaker voice coil is recovering still less to steady state's in-process interference, can be faster recover to steady state.

Preferably, the energy absorbing member is made of open-cell aluminum foam.

Through the technical scheme, the energy absorption piece made of the open-cell bubble aluminum has more pores, has higher absorption and attenuation effects on redundant vibration sound waves, and further improves the fidelity effect of the loudspeaker; the energy absorbing piece made of the metal material can increase certain weight, so that the voice coil and the vibrating diaphragm are more stable in the moving process, and the balance performance of the voice coil and the vibrating diaphragm is improved; the energy-absorbing piece made of metal materials can also facilitate heat dissipation of the voice coil.

Preferably, the energy absorbing member is a ring-shaped member.

Through above technical scheme, the surface area of ring form energy-absorbing piece can be increased, can also make the inner space of voice coil loudspeaker voice coil and dust cap communicate with each other simultaneously, has reduced the voice coil loudspeaker voice coil and has caused the unsmooth possibility of vibrating diaphragm motion because of producing the negative pressure when the motion, has improved the practicality of this voice coil loudspeaker voice coil.

Preferably, a plurality of anti-slip flanges are arranged on the inner wall of the top of the fixed pipe.

Through above technical scheme, utilize the antiskid flange that sets up at fixed pipe top to make things convenient for the adhesion of bonding material such as glue for the process of bonding energy-absorbing piece is more convenient, has improved the practicality of voice coil loudspeaker voice coil.

Preferably, a plurality of annular grooves convenient to bond are formed in the side wall, adjacent to the fixed pipe, of the energy absorption piece.

Through above technical scheme, utilize the annular groove that sets up on the energy-absorbing piece can make things convenient for bonding material such as glue to adhere to on the lateral wall of energy-absorbing piece for the energy-absorbing piece can be firm bond fixedly, improve the reliability and the practicality of this voice coil loudspeaker voice coil.

Compared with the prior art, the utility model discloses one of following beneficial effect has at least:

1. the energy absorption piece arranged on the voice coil can absorb and attenuate the vibration energy reflected by the loudspeaker in the dustproof cap when the loudspeaker works, so that the voice coil can be quickly restored to a stable state, the balance of the vibrating diaphragm is better when the vibrating diaphragm moves, the sound emitted by the loudspeaker is higher in restoration degree, and the distortion is reduced;

2. the energy absorbing part made of the open-pore bubble aluminum can better absorb and attenuate the vibration energy reflected inside the dustproof cap, so that the fidelity effect of the voice coil is improved;

3. the energy absorbing piece made of the metal aluminum material can better dissipate heat generated by the coil during working, and the heat dissipation effect of the voice coil is improved.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

fig. 2 is an exploded view of fig. 1.

In the drawings, wherein: 1. a fixed tube; 11. an anti-slip flange; 2. a coil; 3. an energy absorbing member; 31. and (6) a groove.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

A voice coil with a distortion reducing function is disclosed, referring to fig. 1-2, and comprises a fixed tube 1, a coil 2 wound and fixed at the bottom end of the fixed tube 1, an energy absorbing piece 3 bonded and fixed at the top end of the fixed tube 1, wherein the energy absorbing piece 3 is arranged inside the fixed tube 1, and the energy absorbing piece 3 is used for absorbing vibration energy reflected by the interior of a dust cap when a loudspeaker produces sound.

When the loudspeaker that uses this voice coil loudspeaker voice coil preparation carries out the during operation, the inside reflective sound wave vibration energy transmission of dust cap is to setting up in the energy-absorbing piece 3 department at fixed 1 tops of pipe, and energy-absorbing piece 3 absorbs the sound wave energy of reflection for vibrating diaphragm, bullet ripples and voice coil loudspeaker voice coil can be quick resume to steady state, more balance and stability when follow-up vibration makes sound, make the fidelity that takes place sound higher, reduced the distortion of loudspeaker.

Fixed pipe 1 is the tubulose component of circle, and its both ends are the opening setting, and the vertical setting of fixed pipe 1 can adopt paper pipe, plastic tubing or metal pipe preparation as required.

The coil 2 is a component formed by winding a metal conducting wire in a multi-turn manner, the coil 2 can be made of a copper conducting wire, and the coil 2 can be adhered and fixed at the bottom of the fixed pipe 1 by using an adhesive.

Energy-absorbing piece 3 is the ring form component, and energy-absorbing piece 3 can adopt honeycomb aluminum plate preparation, and the opening of honeycomb holes sets up towards the axis of fixed pipe 1, and energy-absorbing piece 3 adopts the adhesive bonding to fix in the top position department of fixed pipe 1. When the loudspeaker using the voice coil is in work, the sound wave vibration energy reflected by the dustproof cap is absorbed by the honeycomb holes of the energy absorbing piece 3 to be quickly attenuated, so that the voice coil and the vibrating diaphragm can be quickly recovered to a stable state, the elastic wave and the vibrating diaphragm can be more stable and balanced in the moving process, the sound emitted by the loudspeaker is more real, the distortion is reduced, and the sound absorption effect is improved,

The energy absorbing piece 3 can also be made into a circular ring-shaped component by adopting open-cell foamed aluminum, and the energy absorbing piece 3 is adhered and fixed at the top of the fixed pipe 1 by adopting an adhesive; when the loudspeaker provided with the energy absorbing piece 3 is in work, vibration energy reflected inside the dustproof cap is quickly absorbed and attenuated, authenticity of sound production of the loudspeaker is guaranteed, and distortion is reduced.

Be provided with a plurality of anti-skidding flanges 11 on the inner wall at fixed pipe 1 top, anti-skidding flange 11 circumference sets up in fixed pipe 1's inside, offers a plurality of annular grooves 31 that make things convenient for the bonding on the energy-absorbing piece 3 and the adjacent lateral wall of fixed pipe 1. When the energy absorbing piece 3 is fixedly bonded on the fixed pipe 1, the contact area of the adhesive can be increased by utilizing the anti-skidding flanges 11 arranged on the fixed pipe 1 and the grooves 31 arranged on the energy absorbing piece 3, so that the bonding stability of the energy absorbing piece is improved, and after the adhesive is solidified, the energy absorbing piece 3 is fixedly clamped on the anti-skidding flanges 11 and the grooves 31, so that the stability of the energy absorbing piece 3 is further improved.

The implementation principle of the voice coil with the function of reducing distortion is as follows:

Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A voice coil with a distortion reducing function, characterized in that: including fixed pipe (1), around establishing coil (2) of fixing in fixed pipe (1) bottom, it is fixed with energy-absorbing piece (3) to bond on the top of fixed pipe (1), energy-absorbing piece (3) set up the inside at fixed pipe (1), energy-absorbing piece (3) are used for absorbing the vibration energy of the inside reflection of dust cap when the speaker sound production.

2. A voice coil having a distortion reducing function according to claim 1, wherein: the energy absorbing piece (3) is a honeycomb-shaped flat plate member, and the opening of the energy absorbing piece faces the side wall of the fixed pipe (1).

3. A voice coil having a distortion reducing function according to claim 1, wherein: the energy absorbing piece (3) is made of open-cell bubble aluminum.

4. A voice coil having a distortion reducing function according to claim 3, wherein: the energy absorption piece (3) is a circular ring-shaped component.

5. A voice coil having a distortion reducing function according to claim 1, wherein: the inner wall of the top of the fixed pipe (1) is provided with a plurality of anti-skid flanges (11).

6. A voice coil having a distortion reducing function according to claim 1, wherein: and a plurality of annular grooves (31) which are convenient to bond are formed in the side walls of the energy absorbing piece (3) adjacent to the fixing pipe (1).