CN220915426U

CN220915426U - Flip-chip magnetic circuit loudspeaker

Info

Publication number: CN220915426U
Application number: CN202322655668.7U
Authority: CN
Inventors: 刘有志; 曾各沾
Original assignee: Dongguan Eritten Audio Technology Co ltd
Current assignee: Dongguan Eritten Audio Technology Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-05-07
Anticipated expiration: 2033-09-28

Abstract

The utility model relates to a flip-chip magnetic circuit loudspeaker in the field of loudspeakers, which comprises a cone and a cone frame, wherein the cone is arranged on one side of the cone frame, an opening is arranged in the middle of the cone, a voice coil is arranged in the cone, the lower end of the voice coil penetrates through the opening, and a magnetic circuit sequentially penetrates through the voice coil, the cone, the opening and the cone frame. According to the inverted magnetic circuit loudspeaker, the magnetic circuit sequentially passes through the voice coil, the cone, the opening and the cone frame to form an inverted magnetic circuit structure, which is equivalent to an acoustic wave diffuser, the directivity of the loudspeaker is widened, the air permeability is increased, the bearing power is improved, the front cavity effect of the conical loudspeaker is weakened, the sound quality is truly improved, and the dust cover of the traditional magnetic circuit loudspeaker is omitted; in addition, most of the height occupied by the original magnetic circuit disappears, so that the total height of the loudspeaker is greatly reduced, the situation that the sizes of various materials of the loudspeaker need to be changed is avoided, and various technical parameters are ensured; by passing the magnetic circuit through the voice coil and the cone in sequence, a gap is generated between the magnetic circuit and the cone.

Description

Flip-chip magnetic circuit loudspeaker

Technical Field

The utility model relates to the field of loudspeakers, in particular to a flip-chip magnetic circuit loudspeaker.

Background

The loudspeaker is commonly called a "horn". Is a very common electroacoustic transducer device which can be seen in sounding electronic and electric equipment.

The problems that still exist in current loudspeaker are: some loudspeakers have special requirements on the total height (the whole height), the magnetic circuit of the traditional loudspeaker is positioned below the bracket, and in order to achieve the purpose of reducing the total height, various material sizes of the loudspeaker need to be changed, but other parameters of the loudspeaker can not meet the requirements of customers.

Disclosure of utility model

The utility model aims to solve the defects and provide the flip-chip magnetic circuit loudspeaker.

The object of the utility model is achieved by: the utility model provides a flip-chip magnetic circuit loudspeaker, includes support, voice coil loudspeaker voice coil and magnetic circuit, the support includes cone and basin frame, and the cone sets up in one side of basin frame, and the middle part of cone is equipped with the opening, and the voice coil loudspeaker voice coil sets up in the cone, and the opening is passed to the lower extreme of voice coil loudspeaker voice coil, and magnetic circuit passes voice coil loudspeaker voice coil, cone, opening and basin frame in proper order.

In the above description, as a further scheme, the magnetic circuit comprises a U-shaped iron, an upper washer, an upper magnet, a lower washer and a lower magnet, and the U-shaped iron, the upper washer, the upper magnet, the lower washer and the lower magnet are sequentially installed into the opening, the voice coil and the basin frame from the basin.

In the above description, as a further scheme, one side of the basin stand far away from the basin is provided with a rear cover, the rear cover is matched with the lower magnetic block, and a gasket and a supporting column are arranged between the rear cover and the lower magnetic block.

In the above description, as a further scheme, the U iron is provided with a fastener, and the fastener sequentially passes through the upper washer, the upper magnet, the lower washer, the lower magnet, the gasket and the support column from the U iron and is screwed into the rear cover.

In the above description, as a further scheme, the support column is hollow structure, and the support column is close to the one end of back lid and is equipped with the hole that is used for back lid complex, and the support column is close to the one end of gasket and is equipped with the chimb, is equipped with on the gasket to be used for carrying out complex recess with the chimb.

In the above description, as a further scheme, the surface of back lid is equipped with the fastening hole, and the fastening hole is equipped with a plurality of, and a plurality of fastening hole evenly circumference distributes and covers behind in, is equipped with on the basin frame and is used for carrying out complex mating hole with the fastening hole, is equipped with the fastening rod that is used for connecting in fastening hole and the mating hole.

In the above description, as a further scheme, the inside of the basin frame is provided with a damper, and the lower end of the voice coil passes through the damper from the opening.

In the above description, as a further scheme, the side of the basin frame is provided with a positioning block, the positioning block is provided with a positioning hole, the edge of the positioning block is provided with a wrapping edge, and the wrapping edge extends along the inner side of the basin frame.

In the above description, as a further scheme, the top surface of basin frame is equipped with protruding piece, and protruding piece is equipped with a plurality of, and a plurality of protruding piece even circumference distributes and covers behind, and the edge of cone is equipped with and is used for carrying out complex breach with protruding piece, and the middle part of protruding piece is equipped with the trompil.

In the above description, as a further scheme, the protruding block protrudes along the top surface of the basin frame, the protruding block is rectangular, and the edges of the protruding block are chamfered.

The beneficial effects of the utility model are as follows: according to the inverted magnetic circuit loudspeaker, the magnetic circuit sequentially passes through the voice coil, the cone, the opening and the cone frame to form an inverted magnetic circuit structure, which is equivalent to an acoustic wave diffuser, the directivity of the loudspeaker is widened, the air permeability is increased, the bearing power is improved, the front cavity effect of the conical loudspeaker is weakened, the sound quality is truly improved, and the dust cover of the traditional magnetic circuit loudspeaker is omitted; in addition, most of the height occupied by the original magnetic circuit disappears, so that the total height of the loudspeaker is greatly reduced, the situation that the sizes of various materials of the loudspeaker need to be changed is avoided, and various technical parameters are ensured; through passing the voice coil loudspeaker voice coil and cone with the magnetic circuit in proper order for produce the clearance between magnetic circuit and the cone, consequently the cone can not touch the magnetic circuit when upwards amplitude, and this clearance lets the cone have bigger stroke, reaches better sound characteristic.

Drawings

FIG. 1 is a schematic diagram of a three-dimensional structure of a flip-chip magnetic circuit loudspeaker according to the present utility model;

FIG. 2 is a cross-sectional view of a flip-chip magnetic circuit horn according to the present utility model;

FIG. 3 is an exploded view of a flip-chip magnetic circuit horn according to the present utility model;

In the figure: 1-rear cover, 2-gasket, 3-support column, 4-fastener, 5-inner hole, 6-convex edge, 7-groove, 8-fastening hole, 9-matching hole, 10-fastening rod, 11-spring wave, 12-positioning block, 13-positioning hole, 14-edge wrapping, 15-protruding blocks, 16-gaps, 17-openings, 18-voice coils, 19-voice basins, 20-basin frames, 21-openings, 22-U iron, 23-upper washer, 24-upper magnet blocks, 25-lower washer and 26-lower magnet blocks.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be illustrative of the application and are not to be construed as limiting the application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a number", "a plurality" or "a plurality" is two or more, unless specifically defined otherwise. In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances. In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.

Referring to fig. 1-3, a flip-chip magnetic circuit loudspeaker is embodied and includes a support, a voice coil 18 and a magnetic circuit.

The support includes basin 19 and basin frame 20, and basin 19 sets up in the one side of basin frame 20, and the middle part of basin 19 is equipped with opening 21, and voice coil 18 sets up in basin 19, and opening 21 is passed to the lower extreme of voice coil 18, and the magnetic circuit passes voice coil 18, basin 19, opening 21 and basin frame 20 in proper order. Through passing the magnetic circuit through the voice coil 18, the cone 19, the opening 21 and the basin frame 20 in sequence, a flip-chip magnetic circuit structure is formed, which is equivalent to an acoustic wave diffuser, the directivity of the loudspeaker is widened, the air permeability is increased, the bearing power is improved, the front cavity effect of the conical loudspeaker is weakened, the sound quality is truly improved, the dust cover of the traditional magnetic circuit loudspeaker is omitted, and the manufacturing cost is saved; in addition, most of the height occupied by the original magnetic circuit disappears, so that the total height of the loudspeaker is greatly reduced, the situation that the sizes of various materials of the loudspeaker need to be changed is avoided, and various technical parameters are ensured; by passing the magnetic circuit through the voice coil 18 and the cone 19 in sequence, a gap is created between the magnetic circuit and the cone 19, so that the cone 19 does not hit the magnetic circuit during upward amplitude, and the gap allows a larger stroke of the cone 19 to achieve better sound characteristics.

Specifically, the magnetic circuit includes a U-iron 22, an upper washer 23, an upper magnet 24, a lower washer 25, and a lower magnet 26, and the U-iron 22, the upper washer 23, the upper magnet 24, the lower washer 25, and the lower magnet 26 are mounted in the opening 21, the voice coil 18, and the basin frame 20 in this order from the basin 19.

Specifically, a rear cover 1 is arranged on one side of the basin stand 20 away from the basin 19, the rear cover 1 is matched with the lower magnetic block 26, and a gasket 2 and a supporting column 3 are arranged between the rear cover 1 and the lower magnetic block 26. The U iron 22, the upper washer 23, the upper magnet 24, the lower washer 25 and the lower magnet 26 are supported by the gasket 2 and the support column 3, so that the U iron 22, the upper washer 23, the upper magnet 24, the lower washer 25 and the lower magnet 26 can be stably fixed on the rear cover 1.

Specifically, the U iron 22 is provided with the fastening piece 4, the fastening piece 4 sequentially passes through the upper washer 23, the upper magnet 24, the lower washer 25, the lower magnet 26, the gasket 2 and the support column 3 from the U iron 22 and is screwed into the rear cover 1, the fastening piece 4 is not limited by the application, the fastening piece 4 can be a screw and the like, and the fastening effect can be satisfied.

In this embodiment, the support column 3 is hollow structure, and the one end that the support column 3 is close to back lid 1 is equipped with and is used for back lid 1 complex hole 5, and hole 5 is adorned into to the upper end of back lid 1, improves the steadiness and the harmony of installation. The support column 3 is close to the one end of gasket 2 and is equipped with chimb 6, is equipped with on the gasket 2 to be used for carrying out complex recess 7 with chimb 6, and chimb 6 cooperates with recess 7, has improved the connection stability of gasket 2 and support column 3.

In this embodiment, the surface of back lid 1 is equipped with fastening hole 8, and fastening hole 8 is equipped with a plurality of, and a plurality of fastening hole 8 evenly circumference distributes on back lid 1, is equipped with on the basin frame 20 and is used for carrying out complex mating hole 9 with fastening hole 8, and evenly circumference distributes in fastening hole 8 be convenient for connecting force evenly distributed for back lid 1 is inseparabler with the connection of basin frame 20, is equipped with the fastening rod 10 that is used for connecting in fastening hole 8 and the mating hole 9.

In this embodiment, the elastic wave 11 is disposed inside the frame 20, the elastic wave 11 is bonded to the frame 20, the elastic wave 11 surrounds the voice coil 18, and the lower end of the voice coil 18 passes through the elastic wave 11 from the opening 21.

In the embodiment, the side surface of the basin frame 20 is provided with the positioning block 12, the positioning block 12 is provided with the positioning hole 13, the edge of the positioning block 12 is provided with the wrapping edge 14, the wrapping edge 14 extends along the inner side of the basin frame 20, and the positioning block 12 and the positioning hole 13 are arranged, so that the basin frame 20 is conveniently fixed on other paired devices, and the installation convenience of the connection basin frame 20 is improved; the edge 14 is used for protecting the convex part of the device matched with the positioning block 12, so that the positioning block 12 and the convex part are prevented from being worn.

In this embodiment, the top surface of basin frame 20 is equipped with protruding piece 15, and protruding piece 15 is equipped with a plurality of, and the even circumference of a plurality of protruding piece 15 distributes on back lid 1, and the edge of cone 19 is equipped with and is used for carrying out complex breach 16 with protruding piece 15, and the middle part of protruding piece 15 is equipped with trompil 17, and protruding piece 15 cooperates with breach 16, and the cone 19 of being convenient for installs the cooperation, and the setting of trompil 17 is convenient for the screw from breach 16 to spin into in trompil 17, further promotes cone 19 to install the cooperation.

Specifically, the protruding block 15 protrudes along the top surface of the tub 20, the protruding block 15 is rectangular, and edges of the protruding block 15 are chamfered.

The foregoing is a further detailed description of the utility model in connection with specific further embodiments, and is not intended to limit the practice of the utility model to such descriptions. It should be understood by those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the present utility model, and the present utility model is not limited to the above-mentioned embodiments.

Claims

1. The utility model provides a flip-chip magnetic circuit loudspeaker, includes support, voice coil loudspeaker voice coil and magnetic circuit, its characterized in that, the support includes cone and basin frame, and the cone sets up in one side of basin frame, and the middle part of cone is equipped with the opening, and the voice coil loudspeaker voice coil sets up in the cone, and the opening is passed to the lower extreme of voice coil loudspeaker voice coil, and magnetic circuit passes voice coil loudspeaker voice coil, cone, opening and basin frame in proper order.

2. The flip-chip magnetic circuit loudspeaker of claim 1, wherein the magnetic circuit comprises a U-iron, an upper washer, an upper magnet, a lower washer and a lower magnet, and the U-iron, the upper washer, the upper magnet, the lower washer and the lower magnet are sequentially mounted into the opening, the voice coil and the basin frame from the basin.

3. The flip-chip magnetic circuit loudspeaker according to claim 2, wherein a rear cover is arranged on one side of the basin frame away from the basin, the rear cover is matched with the lower magnetic block, and a gasket and a supporting column are arranged between the rear cover and the lower magnetic block.

4. A flip-chip magnetic circuit loudspeaker according to claim 3, wherein the U-shaped iron is provided with a fastener, and the fastener sequentially passes through the upper washer, the upper magnet, the lower washer, the lower magnet, the gasket and the support column from the U-shaped iron and is screwed into the rear cover.

5. The flip-chip magnetic circuit loudspeaker according to claim 3 or 4, wherein the support column is of a hollow structure, one end of the support column, which is close to the rear cover, is provided with an inner hole for matching the rear cover, one end of the support column, which is close to the gasket, is provided with a convex edge, and the gasket is provided with a groove for matching with the convex edge.

6. The flip-chip magnetic circuit loudspeaker according to claim 3 or 4, wherein the surface of the rear cover is provided with a plurality of fastening holes, the plurality of fastening holes are uniformly circumferentially distributed on the rear cover, the basin stand is provided with a matching hole for matching with the fastening hole, and fastening rods for connection are arranged in the fastening hole and the matching hole.

7. A flip-chip magnetic circuit loudspeaker according to any one of claims 1 to 4 wherein the frame has a spring in the interior thereof, the lower end of the voice coil passing through the spring from the opening.

8. The flip-chip magnetic circuit loudspeaker according to any one of claims 1-4, wherein the side of the frame is provided with a positioning block, the positioning block is provided with a positioning hole, the edge of the positioning block is provided with a wrapping edge, and the wrapping edge extends along the inner side of the frame.

9. The loudspeaker of any one of claims 1-4, wherein the top surface of the basin frame is provided with a plurality of protruding blocks, the protruding blocks are uniformly circumferentially distributed on the rear cover, the edge of the basin is provided with a notch for matching with the protruding blocks, and the middle part of the protruding blocks is provided with an opening.

10. The flip-chip magnetic circuit horn according to claim 9, wherein the bump is protruded along the top surface of the frame, the bump is rectangular, and edges of the bump are chamfered.