CN213152360U

CN213152360U - Loudspeaker coil

Info

Publication number: CN213152360U
Application number: CN202021874471.2U
Authority: CN
Inventors: 张俊
Original assignee: Lu'an Wude Electronic Technology Co ltd
Current assignee: Lu'an Wude Electronic Technology Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-05-07
Anticipated expiration: 2030-09-01

Abstract

The utility model relates to a loudspeaker coil, the coil has a wire of predetermined length including voice coil loudspeaker voice coil and winding in the voice coil loudspeaker voice coil outside, the coil has a plurality of winding layers, the end that is close to the inboard winding layer of voice coil loudspeaker voice coil on the coil establishes to the end of introducing of coil, the end of keeping away from the winding layer in the voice coil loudspeaker voice coil outside on the coil is equipped with the end of drawing forth of coil, the top of unanimous winding to coil in bottom from the coil is followed to outmost winding layer on the voice coil loudspeaker voice coil, the winding layer divide into bottom and top layer, it has the enameled wire to lie in top layer one side. Has the advantages that: the winding layers of the top layer and the bottom layer improve frequency response, diffusion wave type, sensitivity and the like, and greatly enhance the durability of the loudspeaker coil, so that the loudspeaker has stable performance, transmission performance is improved, sound pressure is increased, and the comprehensive performance of the loudspeaker is improved.

Description

Loudspeaker coil

Technical Field

The utility model relates to a relevant technical field of speaker particularly, relates to a speaker coil.

Background

As is well known, a speaker box is a terminal of the whole sound system, and a speaker is a main component of the speaker box, and functions to convert audio electric energy into corresponding sound energy and radiate the sound energy into space, the speaker is widely used in professional sound, and converts an electric signal into an acoustic signal for human ears to listen, because the subjective feeling of human ears on sound is the most important standard for evaluating the sound quality of a sound system, the level of the performance of the speaker plays a key role in the sound amplification quality of a sound system, and people pursue the sound box quality with low distortion, large sound pressure and stability for many years, and the speaker is a sound output device. A loudspeaker generally comprises a coil, a diaphragm arranged on top of the coil, and a magnet arranged on the bottom of the coil. When a sound current signal flows into the coil, the coil can vibrate under the action of a magnetic field of the magnet and drive the vibrating membrane to vibrate, and then the vibrating membrane can resonate with surrounding air to generate sound.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a loudspeaker coil to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a speaker coil, said coil including a voice coil and a wire of a predetermined length wound outside said voice coil, said coil having a plurality of winding layers, said end of said winding layer on said coil near the inside of said voice coil being set as a lead-in end of said coil, said end of said winding layer on said coil far from the outside of said voice coil being set as a lead-out end of said coil, and said lead-in end and said lead-out end being led out at the top of the outside of said voice coil, said winding layer on the outermost layer of said voice coil being wound uniformly from the bottom of said coil to the top of said coil, said winding layer being divided into a bottom layer and a top layer, and said bottom layer comprising four winding turns, said top layer comprising three winding turns, said voice coil having enameled wires bonded thereto at both ends of said top layer on one side by means of a fixing adhesive.

Further, the height of the bottom layer is 0.5-0.9 times of the height of the coil.

Further, the outer part of the lead is coated with an adhesive, and adjacent winding layers are adhered to each other through the adhesive.

Further, the height of the top layer is 0.3-0.6 times the height of the coil.

Furthermore, a plurality of voice coil holes are uniformly formed in the voice coil at the top of the top layer.

Compared with the prior art, the utility model discloses following beneficial effect has: the enameled wires which are bonded by the fixing glue at the leading-in end and the leading-out end are stably connected by means of the adjacent bonded enameled wires, so that the damage and fault situations caused by temperature change, metal fatigue and the like in the assembling production and the conveying process can be effectively avoided, the frequency response, the diffusion wave type, the sensitivity and the like are improved through the winding layers of the top layer and the bottom layer, the durability of the loudspeaker coil is greatly enhanced, the loudspeaker has stable performance, the transmission performance is improved, the sound pressure is increased, and the comprehensive performance of the loudspeaker is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of a speaker coil according to an embodiment of the present invention;

fig. 2 is a schematic diagram of an external structure of a fixed chute of a speaker coil according to the present invention;

fig. 3 is a schematic cross-sectional view of a fixed chute structure of a speaker coil according to the present invention;

reference numerals:

1. a coil; 2. a voice coil; 21. a voice coil hole; 3. a wire; 31. leading out the terminal; 32. a lead-in end; 33. enamelled wires; 4. a winding layer; 5. a bottom layer; 6. a top layer.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, according to the present invention, a speaker coil is provided, in which the coil 1 includes a voice coil 2 and a lead wire 3 wound outside the voice coil 2 and having a predetermined length, the coil 1 has a plurality of winding layers 4, the end of the winding layer 4 on the coil 1 near the inner side of the voice coil 2 is a lead-in 32 of the coil 1, the end of the winding layer 4 on the coil 1 far from the outer side of the voice coil 2 is a lead-out 31 of the coil 1, and the lead-in 32 and the lead-out 31 are both led out from the top of the outer side of the voice coil 2, the outermost winding layer 4 on the voice coil 2 is uniformly wound from the bottom of the coil 1 to the top of the coil 1, the winding layer 4 is divided into a bottom layer 5 and a top layer 6, the bottom layer 5 includes four winding turns, the top layer 6 includes three winding turns, enameled wires 33 are bonded to two ends of the voice coil 2 on one side of the top layer 6 through fixing glue.

Wherein, the height of the bottom layer 5 is 0.5-0.9 times of the height of the coil 1, and the diversity of products can be realized by obtaining the bottom layers with different heights.

Wherein, the outer part of the wire 3 is coated with adhesive, and the adjacent winding layers 4 are adhered to each other by the adhesive, which facilitates the manufacture of the coil.

Wherein the height of the top layer 6 is 0.3-0.6 times of the height of the coil 1, and the diversity of products can be realized by obtaining bottom layers with different heights.

A plurality of voice coil holes 21 are uniformly formed in the top of the top layer 6 on the voice coil 2, so that sound pressure is increased, and comprehensive performance of the loudspeaker is improved.

Principle of operation

Through the above technical scheme of the utility model, a speaker coil in use, draw forth end 31 and introduction end 32 through enameled wire pair wire 3 and connect, the equipment is convenient safety, when avoiding assembling production, transport the damage that in-process temperature variation and metal fatigue etc. caused, the trouble situation, then through selecting the not bottom 5 of co-altitude at the top layer 6 of cooperation co-altitude, the realization is to the frequency response of speaker, the diffusion wave type, sensitivity is adjusted, realize the diversification of product, whole device stable in structure, high durability and convenient use, high practicability is strong, the comprehensive properties of speaker is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A loudspeaker coil, the coil (1) including a voice coil (2) and a wire (3) with a predetermined length wound outside the voice coil (2), characterized in that, the coil (1) has a plurality of winding layers (4), the end of the winding layer (4) on the coil (1) near the inner side of the voice coil (2) is set as a lead-in end (32) of the coil (1), the end of the winding layer (4) on the coil (1) far away from the outer side of the voice coil (2) is set with a lead-out end (31) of the coil (1), and the lead-in end (32) and the lead-out end (31) are both led out from the top of the outer side of the voice coil (2), the outermost winding layer (4) on the voice coil (2) is uniformly wound from the bottom of the coil (1) to the top of the coil (1), the winding layer (4) is divided into a bottom layer (5) and a top layer (6), and the bottom layer (5) comprises four winding coils, the top layer (6) comprises three winding coils, and enameled wires (33) are adhered to two ends of the voice coil (2) on one side of the top layer (6) through fixing glue.

2. A loudspeaker coil according to claim 1, wherein the height of the bottom layer (5) is 0.5-0.9 times the height of the coil (1).

3. A loudspeaker coil according to claim 1, wherein the outer portion of the wire (3) is coated with an adhesive, and adjacent windings (4) are bonded to each other by the adhesive.

4. A loudspeaker coil according to claim 1, wherein the height of the top layer (6) is 0.3-0.6 times the height of the coil (1).

5. A loudspeaker coil according to claim 1, wherein a plurality of coil holes (21) are uniformly provided in the voice coil (2) at the top of the top layer (6).