CN210042196U

CN210042196U - Full-frequency moving coil loudspeaker

Info

Publication number: CN210042196U
Application number: CN201921246976.1U
Authority: CN
Inventors: 郑治龙; 覃仕明; 王艳
Original assignee: Zhangjiajie Longshi High-Tech Co Ltd
Current assignee: Zhangjiajie Longshi High-Tech Co Ltd
Priority date: 2019-08-04
Filing date: 2019-08-04
Publication date: 2020-02-07
Anticipated expiration: 2029-08-04

Abstract

The utility model discloses a full frequency moving coil loudspeaker, which comprises a magnetic circuit device, a voice coil and a loudspeaker bracket, wherein the voice coil comprises a voice coil framework and a voice coil, the voice coil is arranged at the inner end of the voice coil framework and is arranged in the middle of the magnetic circuit device, and a cone is bonded with the voice coil framework; the outer end of the voice coil framework is provided with a sound film, and the sound film is bonded with the cone and the voice coil framework at the same time. Through the sound membrane simultaneously with the bonding of cone, voice coil loudspeaker voice coil skeleton, can solve hyperfrequency, high frequency, the intermediate frequency makes the cone become whole simultaneously because of the structural disappearance problem that the skeleton arouses with the cone bonding, has avoided the existence of broken sound, more plays the efficiency of loudspeaker dust cap. Because the utility model discloses speaker design science, it is rational in infrastructure, can really realize full frequency to the cost is low.

Description

Full-frequency moving coil loudspeaker

Technical Field

The utility model relates to a and speaker technical field, in particular to full moving coil loudspeaker.

Background

The design of the moving-coil loudspeaker is varied, the theory is wide, and the presented effect is also five-door and eight-door; but overall-the horn design mainly addresses the audio rendering problem. The audio frequency bandwidth that the human ear can listen to is between 20Hz and 20 KHZ. However, in order to hear finer sound, a speaker, which is a device capable of presenting a wider frequency bandwidth of 0HZ to 100KHZ, is often required. Speakers are classified into mechanical type, relay type, moving coil type, pole piece type, and the like.

The moving-coil loudspeaker is a device which produces sound by driving a cone and a sound film to move in a magnetic field by a voice coil. Occupying more than 90% of the share in the market. Because of the large number of constituent elements (shapes, materials, etc.), it is difficult to unify the standards. Roughly classified into treble, mid-range, bass, and full-screen speakers. The disadvantages of high, middle and low frequency loudspeakers are obvious, and the full frequency loudspeakers in the market at present have coaxial high and low frequency matching loudspeakers (commonly called coaxial loudspeakers) and 'full frequency loudspeakers'. The gap between the voice coil and the T iron of the woofer of the coaxial loudspeaker cannot be closed due to high pitch, and sound breaking is inevitable. "full-band loudspeakers" are not full-band, and are particularly expensive to represent, either having insufficient or slightly wider frequency bandwidth. It is not called full-frequency horn at all.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can really realize the speaker of full frequency audio, solve coaxial loudspeaker's broken sound problem, solve current full frequency loudspeaker not full frequency, problem that the frequency bandwidth is not enough promptly, the bandwidth of solving current full frequency loudspeaker is when wide a little the cost problem expensive very much.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a full-frequency moving coil type loudspeaker comprises a magnetic circuit device, a voice coil and a loudspeaker support, wherein the voice coil comprises a voice coil framework and a voice coil, the voice coil is installed at the inner end of the voice coil framework and is arranged in the middle of the magnetic circuit device, and a cone is bonded with the voice coil framework; the outer end of the voice coil framework is provided with a sound film, and the sound film is bonded with the cone and the voice coil framework at the same time. Through the sound membrane simultaneously with the bonding of cone, voice coil loudspeaker voice coil skeleton, can solve hyperfrequency, high frequency, the intermediate frequency makes the cone become whole simultaneously because of the structural disappearance problem that the skeleton arouses with the cone bonding, has avoided the existence of broken sound, more plays the efficiency of loudspeaker dust cap.

Preferably, the magnetic circuit device comprises a T-shaped magnetizer, a magnet and a hollow T-shaped cover plate magnetizer, wherein the voice coil framework is arranged outside a cylinder of the T-shaped magnetizer, and a hollow cylinder of the hollow T-shaped cover plate magnetizer is sleeved outside the voice coil framework; the cylinder, the voice coil framework and the hollow cylinder are sleeved from inside to outside in sequence, and the hollow T-shaped cover plate magnetizer is connected with the horn bracket.

Preferably, the magnetic circuit device comprises a U-shaped magnetizer, a magnetic pillar and a cover plate magnetizer, the magnetic pillar is arranged in the U-shaped magnetizer, the cover plate U-shaped magnetizer is arranged outside the magnetic pillar, a voice coil framework is arranged outside the cover plate U-shaped magnetizer, and the U-shaped magnetizer is connected with the horn bracket.

Preferably, the loudspeaker support is provided with a voice coil positioning reed and a cone, and the cone is provided with a folding ring.

Preferably, the voice coil is provided with a wire head which extends out along the length direction of the vertical rod and is communicated with the conductive wire of the voice coil so as to compensate the defects of ultrahigh frequency, high frequency and intermediate frequency.

Preferably, the gap between the cylinder of the T-shaped magnetizer and the hollow cylinder of the hollow T-shaped cover plate magnetizer is a magnetic cylinder gap, and the distance between the top end of the hollow cylinder of the hollow T-shaped cover plate magnetizer and the root of the cylinder of the T-shaped magnetizer is equal to or smaller than the magnetic cylinder gap. Thus, a cylinder with uniform and super-strong magnetic field can be formed.

Preferably, the gap between the U-shaped magnetizer and the magnetic pillar is the inner and outer diameters of the voice coil and the effective gap without touching the cylinder is the magnetic cylinder (magnetic track), the magnetic pillar 12 and the cover plate U-shaped magnetizer 13 extend to the bottom of the bracket 4, and the gap between the cover plate magnetic conductor and the magnetic pillar is equal to or smaller than the gap between the magnetic cylinders. Thus, a cylinder with uniform and super-strong magnetic field can be formed.

Preferably, holes are punched in the wire winding area of the voice coil framework, and the holes can be mesh holes. The magnetic flux of the coil area is enhanced, so that the coil is always in a high-intensity magnetic field, and the sensitivity of each audio detail is displayed vividly.

Preferably, the design of the cone is as follows: the strength of the cone is designed from strong to weak from a voice coil to a folding ring, and the cone is sequentially made of metal materials, metal and nonmetal composite materials and nonmetal materials from inside to outside.

Because the utility model discloses speaker design science, it is rational in infrastructure, can really realize full frequency to the cost is low.

Drawings

Fig. 1 is a schematic structural diagram of an external magnetic speaker according to the present invention;

FIG. 2 is a schematic structural diagram of the external magnetic speaker of the present invention

Fig. 3 is a first schematic structural diagram of the internal magnetic speaker of the present invention;

fig. 4 is a schematic structural diagram of the internal magnetic speaker of the present invention.

In the figure: 1. a T-shaped magnetizer; 2. a magnet; 3. a hollow T-shaped cover plate magnetizer; 4. a horn support; 5. a voice coil positioning reed; 6. folding the ring; 7. a paper basin; 8. a sound membrane; 9. a voice coil former; 10. a voice coil; 11. a U-shaped magnetizer; 12. a magnetic column; 13. a cover plate U-shaped magnetizer; 14. a thread end; 101. a cylinder; 301. hollow cylinder.

Detailed Description

Example 1

As shown in fig. 1 and 2, a full-band moving-coil speaker includes a T-shaped magnetizer 1, a magnet 2, a hollow T-shaped cover plate magnetizer 3, a speaker holder 4, a voice coil positioning reed 5, a corrugated rim 6, a cone 7, a diaphragm 8, a voice coil bobbin 9 and a voice coil 10, wherein the voice coil bobbin 9 is arranged outside a cylinder 101 of the T-shaped magnetizer 1, the voice coil 10 is arranged at the inner end of the voice coil bobbin 9, and a hollow cylinder 301 of the hollow T-shaped cover plate magnetizer 3 is sleeved on the voice coil bobbin 9; the cylinder 101, the voice coil framework 9 and the hollow cylinder 301 are sequentially sleeved in the annular magnet 2 from inside to outside, and the voice coil 10 is arranged in the middle of the cylinder; the cone 7 is bonded with the voice coil framework 9; the outer end of the voice coil framework 9 is provided with a sound membrane 8, and the sound membrane 8 is simultaneously bonded with the cone 7 and the voice coil framework 9. The hollow T-shaped cover plate magnetizer 3 is connected with a bracket 4. The column 101 of the T-shaped magnetizer 1 extends to the bottom of the bracket 4. The support 4 is provided with a voice coil positioning reed 5 and a cone 7, and the cone 7 is provided with a folding ring 6. The voice coil 10 has a wire end 14 extending along the length of the vertical rod and connected to the conductive wire of the voice coil. The gap between the cylinder of the T-shaped magnetizer 1 and the hollow cylinder of the hollow T-shaped cover plate magnetizer 3 is a magnetic cylinder gap, and the distance between the top end of the hollow cylinder of the hollow T-shaped cover plate magnetizer 3 and the root part of the cylinder 101 of the T-shaped magnetizer 1 is equal to or less than the magnetic cylinder gap. The holes are punched in the wire winding area of the voice coil framework 9 and can be mesh holes. The design of the cone 7 is as follows: the strength of the cone is designed from strong to weak from a voice coil to a folding ring, and the cone is sequentially made of metal materials, metal and nonmetal composite materials and nonmetal materials from inside to outside. The diaphragm 8 may be in an outwardly curved or inwardly curved arrangement.

Example 2

As shown in fig. 3 and 4, a full-band moving-coil speaker includes a U-shaped magnetic conductor 11, a magnetic pillar 12, a cover plate U-shaped magnetic conductor 13, a speaker bracket 4, a voice coil positioning spring 5, a corrugated rim 6, a cone 7, a diaphragm 8, a voice coil bobbin 9, and a voice coil 10, wherein the magnetic pillar 12 is disposed in the U-shaped magnetic conductor 11, the cover plate U-shaped magnetic conductor 13 is disposed outside the magnetic pillar 12, and the voice coil bobbin 9 is disposed outside the cover plate U-shaped magnetic conductor 13. The inner end of the voice coil framework 9 is provided with a voice coil 10, and the voice coil 10 is arranged in the middle of the magnetic column 2; the cone 7 is bonded with the voice coil framework 9; the outer end of the voice coil framework 9 is provided with a sound membrane 8, and the sound membrane 8 is simultaneously bonded with the cone 7 and the voice coil framework 9. The U-shaped magnetizer 11 is connected with a bracket 4. The support 4 is provided with a voice coil positioning reed 5 and a cone 7, and the cone 7 is provided with a folding ring 6. The voice coil 10 has a stub 14 extending along the length of the stem and in electrical communication with the conductive wire of the voice coil. The gap between the U-shaped magnetizer 11 and the magnetic pillar 12 is the inner and outer diameters of the voice coil and the effective gap without touching the cylinder is the magnetic cylinder (magnetic track), and the magnetic pillar 12 and the cover plate U-shaped magnetizer 13 extend to the bottom of the bracket 4. The gap between the cover plate magnetizer 13 and the magnetic column 12 is equal to or smaller than the gap of the magnetic cylinder. The holes are punched in the wire winding area of the voice coil framework 9 and can be mesh holes. The design of the cone 7 is as follows: the strength of the cone is designed from strong to weak from a voice coil to a folding ring, and the cone is sequentially made of metal materials, metal and nonmetal composite materials and nonmetal materials from inside to outside. The diaphragm 8 may be in an outwardly curved or inwardly curved arrangement.

Claims

1. A full-frequency moving coil type loudspeaker comprises a magnetic circuit device, a voice coil and a loudspeaker support, and is characterized in that the voice coil comprises a voice coil framework (9) and a voice coil (10), the voice coil (10) is installed at the inner end of the voice coil framework (9) and is arranged in the middle of the magnetic circuit device, and a cone (7) is bonded with the voice coil framework (9); the outer end of the voice coil framework (9) is provided with a sound film (8), and the sound film (8) is bonded with the cone (7) and the voice coil framework (9) simultaneously.

2. The full-frequency moving-coil loudspeaker according to claim 1, wherein the magnetic circuit device comprises a T-shaped magnetizer (1), a magnet (2) and a hollow T-shaped cover magnetizer (3), the voice coil bobbin (9) is arranged outside the cylinder (101) of the T-shaped magnetizer (1), and the inner hollow cylinder (301) of the hollow T-shaped cover magnetizer (3) is sleeved outside the voice coil bobbin (9); the cylinder (101), the voice coil framework (9) and the hollow cylinder (301) are sequentially sleeved from inside to outside; the hollow T-shaped cover plate magnetizer (3) is connected with the horn bracket (4).

3. The full-band moving-coil loudspeaker according to claim 1, wherein the magnetic circuit device comprises a U-shaped magnetizer (11), a magnetic pillar (12) and a cover plate U-shaped magnetizer (13), the magnetic pillar (12) is disposed in the U-shaped magnetizer (11), the cover plate U-shaped magnetizer (13) is disposed outside the magnetic pillar (12), the voice coil bobbin (9) is disposed outside the cover plate U-shaped magnetizer (13), and the U-shaped magnetizer (11) is connected to the speaker holder (4).

4. The full-frequency moving-coil loudspeaker according to claim 2 or 3, wherein the loudspeaker support (4) is provided with a voice coil positioning reed (5) and a cone (7), and the cone (7) is provided with a folding ring (6).

5. The full band moving coil loudspeaker according to claim 4, wherein the voice coil (10) has a stub extending along the length of the vertical rod in communication with the conductive wire of the voice coil.

6. The full-band moving-coil loudspeaker according to claim 2, wherein the gap between the cylinder of the T-shaped magnetizer (1) and the inner cylinder of the hollow T-shaped cover magnetizer (3) is a cylinder gap, and the distance between the top of the inner cylinder of the hollow T-shaped cover magnetizer (3) and the root of the cylinder of the T-shaped magnetizer (1) is equal to or less than the cylinder gap.

7. The full-band moving-coil speaker as claimed in claim 3, wherein the gap between the U-shaped magnetizer (11) and the magnetic pillar (12) is a magnetic cylinder, the magnetic pillar (12) and the cover U-shaped magnetizer (13) extend to the bottom of the bracket (4), and the gap between the cover U-shaped magnetizer (13) and the magnetic pillar (12) is equal to or smaller than the gap between the magnetic cylinder.

8. The full band moving coil speaker as claimed in claim 5, wherein holes are formed in the coil bobbin (9) in the winding region.

9. The full moving coil loudspeaker according to claim 8, characterised in that the cone (7) is designed such that: the strength of the cone is designed from strong to weak from a voice coil to a folding ring, and the cone is sequentially made of metal materials, metal and nonmetal composite materials and nonmetal materials from inside to outside.