CN210725321U

CN210725321U - Curved surface belt type loudspeaker

Info

Publication number: CN210725321U
Application number: CN201921947677.0U
Authority: CN
Inventors: 姚洪波
Original assignee: Zhuhai Hivi Electronics Co ltd
Current assignee: Zhuhai Hivi Electronics Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-06-09
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a curved surface belt type loudspeaker, which comprises a sound film bracket and an arc-shaped mounting frame; the sound film is in a flexible sheet shape, the surface of the sound film is covered with a conductive loop, and the sound film is installed on the arc-shaped installation frame and extends along the arc-shaped direction of the arc-shaped installation frame; the front curved magnetic strip is arranged on the front side of the sound film and extends along the arc direction of the arc-shaped mounting frame; the back curved magnetic strip is arranged on the back side of the sound film and extends along the arc direction of the arc-shaped mounting frame; the rear cover bracket is suitable for mounting the rear curved surface magnetic strip and is connected with the sound film bracket; the face cover bracket is suitable for mounting the front curved magnetic strip and is connected with the sound film bracket or the rear cover bracket. The sound membrane is installed on the arc installation frame of sound membrane support, makes the sound membrane be the arc structure, and preceding curved surface magnetic stripe and back curved surface magnetic stripe all extend along the arc direction of arc installation frame, form arc magnetic field, and set up in the both sides of sound membrane, can make the speaker have the arc curved surface, improve the diversification of speaker structure.

Description

Curved surface belt type loudspeaker

Technical Field

The utility model relates to a speaker technical field, in particular to curved surface belt loudspeaker.

Background

The prior belt type loudspeaker generally adopts an upper layer of high-performance magnetic strips and a lower layer of high-performance magnetic strips to form a magnetic field, a sound film with a conductive loop covered on the surface is clamped between the upper layer of magnetic strips and the lower layer of magnetic strips, and when alternating current passes through the conductive loop, the conductive loop can drive the sound film to vibrate up and down under the action of the magnetic field so as to push air to generate sound. The existing belt type loudspeaker generally adopts a straight magnetic strip and a plane sound film, and the structure of the loudspeaker is mostly rectangular and single.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a curved surface belt loudspeaker can realize the curved surface design of speaker structure.

According to the utility model discloses a curved surface belt speaker of first aspect embodiment, include: a voice diaphragm support having an arc-shaped mounting frame; the sound film is in a flexible sheet shape, the surface of the sound film is covered with a conductive loop, and the sound film is installed on the arc-shaped installation frame and extends along the arc direction of the arc-shaped installation frame; the front curved magnetic strip is arranged on the front side of the sound film and extends along the arc direction of the arc-shaped mounting frame; the rear curved surface magnetic strip is arranged on the rear side of the sound film and extends along the arc direction of the arc-shaped mounting frame; the rear cover bracket is suitable for mounting the rear curved surface magnetic strip and is connected with the sound film bracket; and the face cover bracket is suitable for mounting the front curved magnetic strip and is connected with the sound film bracket or the rear cover bracket.

According to the utility model discloses curved surface belt speaker has following beneficial effect at least:

compared with the prior art, the utility model discloses a sound membrane support has arc installation frame, and the sound membrane is installed on the arc installation frame of sound membrane support, makes the sound membrane be the arc structure, and preceding curved surface magnetic stripe and back curved surface magnetic stripe all extend along the arc direction of arc installation frame, form arc magnetic field, and set up in the both sides of sound membrane, can make the speaker have the arc curved surface, improve the diversification of speaker structure.

According to the utility model discloses a some embodiments, the quantity of preceding curved surface magnetic stripe is a set of at least, the quantity of back curved surface magnetic stripe with the quantity of preceding curved surface magnetic stripe equals.

According to the utility model discloses a some embodiments, adjacent two sets of preceding curved surface magnetic stripe with the tip of back curved surface magnetic stripe links to each other, and is adjacent two sets of the orientation of preceding curved surface magnetic stripe is the same or opposite.

According to some embodiments of the utility model, every group preceding curved surface magnetic stripe includes two piece at least equidistant sub-magnetic stripes of arranging.

According to some embodiments of the utility model, just be located adjacent two on the face lid support be provided with the groove of amplifying between the sub-magnetic stripe.

According to some embodiments of the utility model, the upper and lower both sides limit of face lid support is provided with the flange.

According to some embodiments of the utility model, the upper and lower both sides of back lid support all are provided with first L type step, be provided with on the sound membrane support with first L type step complex second L type step, first L type step is installed on the second L type step.

According to some embodiments of the utility model, be provided with the trip piece on the face lid support, be provided with the lug on the sound membrane support, the trip piece with the lug joint.

According to some embodiments of the utility model, be provided with on the back lid support and be used for the installation the mounting bracket of back curved surface magnetic stripe.

According to some embodiments of the invention, the back cover support and the sound diaphragm support are of unitary construction.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a curved surface ribbon speaker according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a curved ribbon speaker according to an embodiment of the present invention;

FIG. 3 is a schematic view of a first assembly structure of a magnetic strip of the curved ribbon speaker shown in FIG. 1;

FIG. 4 is a schematic view of a second assembly structure of a magnetic strip of the curved ribbon speaker shown in FIG. 1;

fig. 5 is an exploded schematic view of a curved ribbon speaker according to an embodiment of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 2 at A;

FIG. 7 is a schematic structural diagram of a diaphragm support of the curved ribbon speaker shown in FIG. 1;

fig. 8 is a schematic structural view of a back cover bracket of the curved ribbon speaker shown in fig. 1.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and fig. 2, the present embodiment discloses a curved surface belt type speaker, including: a voice diaphragm support 500 having an arc-shaped mounting frame; the sound film 100 is in a flexible sheet shape, the surface of the sound film is covered with a conductive loop, and the sound film 100 is installed on the arc-shaped installation frame and extends along the arc-shaped direction of the arc-shaped installation frame; the front curved magnetic strip 200 is arranged on the front side of the sound film 100 and extends along the arc direction of the arc-shaped mounting frame; the back-curved magnetic strip 300 is arranged at the back side of the sound film 100 and extends along the arc direction of the arc-shaped mounting frame; the back cover bracket 400 is suitable for mounting the back curved magnetic strip 300 and is connected with the sound film bracket 500; the face cover bracket 600 is suitable for mounting the front curved magnetic stripe 200 and is connected with the sound film bracket 500 or the back cover bracket 400.

Specifically, the sound membrane 100 of this embodiment adopts metal composite insulation film to make, can be crooked along with the design needs, sound membrane support 500 adopts arc frame body or two plate bodys that have the arc side and arrange from top to bottom in parallel, so that sound membrane support 500 has the arc installation frame, preceding curved surface magnetic stripe 200 and back curved surface magnetic stripe 300 all extend along the arc direction of the arc installation frame of sound membrane support 500, can form the arc magnetic field, sound membrane 100 is installed on sound membrane support 500's arc installation frame, and sound membrane 100 is covered with the electrically conductive return circuit, when alternating current passes through the electrically conductive return circuit, under the effect in magnetic field, thereby electrically conductive return circuit can drive sound membrane 100 vibration from top to bottom and promote the air and produce sound. It should be understood that there is a gap between the sound diaphragm 100 and the front curved magnetic strip 200 and the back curved magnetic strip 300.

Compared with the prior art, the sound membrane 100, the front curved surface magnetic stripe 200 and the back curved surface magnetic stripe 300 of this embodiment all have the arc structure, and the front curved surface magnetic stripe 200 and the back curved surface magnetic stripe 300 set up and are located the both sides of sound membrane 100 with the heart, can make the speaker have the arc curved surface, improve the diversification of speaker structure. It is contemplated that the front cover bracket 600 and the rear cover bracket 400 may each have a curved structure corresponding to the arc-shaped mounting frame of the diaphragm bracket 500 in order to make the structure of the speaker more aesthetic.

Referring to fig. 3 and 4, the number of the front curved magnetic strips 200 is at least one, and the number of the rear curved magnetic strips 300 is equal to the number of the front curved magnetic strips 200, so as to form a magnetic field. Through the combination of the multiple groups of magnetic stripes, the loudspeaker can present different appearances, and the diversification of the loudspeaker structure is realized. Specifically, the number of the front curved magnetic strips 200 may be one, two or three.

The end portions of the two adjacent groups of front curved magnetic strips 200 and the end portion of the rear curved magnetic strip 300 are connected, referring to fig. 3, when the two adjacent groups of front curved magnetic strips 200 are oriented in the same direction, an arc structure with a larger radian can be formed, and the end portions of the two adjacent groups of front curved magnetic strips 200 are connected; referring to fig. 4, the front curved magnetic strips 200 of two adjacent sets are oriented oppositely to form a strip structure, and the ends of the front curved magnetic strips 200 and the ends of the back curved magnetic strips 300 are connected. Through different combination modes, the structure of the loudspeaker can be changed, and the diversification of the structure of the loudspeaker is realized. It should be noted that, in the same set of magnetic fields, the orientation of the back curved magnetic strips 300 is the same as the orientation of the front curved magnetic strips to ensure that the magnetic fields are uniform and stable, and the length of the sound membrane 100 of this embodiment may be changed according to the number of the combined magnetic strips.

Referring to fig. 3 or 4, each set of front curved magnetic strips 200 includes at least two sub-magnetic strips 210 arranged at equal intervals, so that sound generated by vibration of the diaphragm 100 can be diffused to the outside of the speaker through the gaps between the sub-magnetic strips 210. The number of the sub-magnetic strips 210 is 3, so that the width of the magnetic field can meet the design requirement.

Referring to fig. 5, similarly, a sound diffusion groove 610 is formed between two adjacent sub-magnetic strips 210 on the cover support 600, so as to facilitate sound diffusion.

Referring to fig. 6 and 7, the sound diaphragm support 500 is an arc frame, so that the sound diaphragm 100 is prevented from completely contacting the sound diaphragm support 500, and a certain vibration space is reserved for the sound diaphragm 100. The sound film support 500 is provided with a mounting groove 510, and the mounting groove 510 can be used for wiring, so that the wiring of the loudspeaker is neat and attractive.

Referring to fig. 6 to 8, in order to facilitate installation, flanges 620 are provided on both upper and lower sides of the cover bracket 600. In this embodiment, face lid support 600 is the arc frame, and curved surface magnetic stripe 200 before can installing in the frame to and hold parts such as sound membrane 100, back curved surface magnetic stripe 300 and back lid support 400, be favorable to dwindling the volume of speaker, realize the miniaturization of structure. The face cover bracket 600 may be coupled to the diaphragm bracket 500 or the back cover bracket 400 through the flange 620, and it is contemplated that the flange 620 may be provided with through holes or screw holes to facilitate the coupling of the face cover bracket 600 to the diaphragm bracket 500 or the back cover bracket 400.

The upper and lower both sides of back lid support 400 all are provided with first L type step 410, be provided with on the sound membrane support 500 with first L type step 410 complex second L type step 520, first L type step 410 is installed on second L type step 520, is favorable to back lid support 400 and sound membrane support 500 to counterpoint fast, the installation of being convenient for. When the sound film support 500 and the rear cover support 400 are assembled and then clamped with the front cover support 600, compared with the threaded connection, the fastening piece can be omitted, and the production cost can be saved, and the assembly process can be simplified.

In order to make the connection between the cover holder 600 and the voice diaphragm holder 500 more reliable, a hook 630 is disposed on the cover holder 600, a protrusion 530 is disposed on the voice diaphragm holder 500, and the hook 630 is engaged with the protrusion 530.

Referring to fig. 8, the rear cover bracket 400 is provided with a mounting bracket 420 for mounting the rear curved magnetic stripe 300, and the rear curved magnetic stripe 300 is clamped in the mounting bracket 420 for assembly.

In order to further simplify the assembly process, the back cover bracket 400 and the voice film bracket 500 are integrated, and when the front cover bracket 600 is installed, the front cover bracket 400 is clamped with the back cover bracket 400, so that the operation is simple and convenient.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A curved ribbon loudspeaker, comprising:

a voice diaphragm support (500) having an arc-shaped mounting frame;

the sound film (100) is in a flexible sheet shape, the surface of the sound film is covered with a conductive loop, and the sound film (100) is arranged on the arc-shaped mounting frame and extends along the arc direction of the arc-shaped mounting frame;

the front curved magnetic strip (200) is arranged on the front side of the sound film (100) and extends along the arc direction of the arc-shaped mounting frame;

the back-curved magnetic strip (300) is arranged on the back side of the sound film (100) and extends along the arc direction of the arc-shaped mounting frame;

the rear cover bracket (400) is suitable for mounting the rear curved magnetic strip (300) and is connected with the sound film bracket (500);

the face cover bracket (600) is suitable for mounting the front curved magnetic strip (200) and is connected with the sound film bracket (500) or the rear cover bracket (400).

2. The curved ribbon speaker of claim 1, wherein the number of the front curved magnetic strips (200) is at least one, and the number of the rear curved magnetic strips (300) is equal to the number of the front curved magnetic strips (200).

3. The curved ribbon speaker of claim 2, wherein adjacent sets of the front curved magnetic strips (200) are connected to ends of the rear curved magnetic strips (300), and the front curved magnetic strips (200) of adjacent sets are oriented in the same or opposite directions.

4. The curved ribbon speaker of any one of claims 1-3, wherein each set of front curved magnetic strips (200) comprises at least two equally spaced sub-magnetic strips (210).

5. The curved ribbon speaker of claim 4, wherein a sound diffusion groove (610) is formed on the cover bracket (600) between two adjacent sub-magnetic strips (210).

6. The curved ribbon speaker of claim 1, wherein the upper and lower sides of the cover bracket (600) are provided with flanges (620).

7. The curved ribbon speaker of claim 1 or 6, wherein the upper and lower sides of the back cover bracket (400) are provided with first L-shaped steps (410), the sound film bracket (500) is provided with second L-shaped steps (520) matched with the first L-shaped steps (410), and the first L-shaped steps (410) are mounted on the second L-shaped steps (520).

8. The curved ribbon speaker as claimed in claim 1 or 6, wherein the cover bracket (600) is provided with a hook (630), the sound membrane bracket (500) is provided with a protrusion (530), and the hook (630) is engaged with the protrusion (530).

9. The curved ribbon speaker of claim 1, wherein the back cover bracket (400) is provided with a mounting bracket (420) for mounting the back curved magnetic strip (300).

10. The curved ribbon speaker of claim 1, wherein the back cover bracket (400) and the diaphragm bracket (500) are of unitary construction.