CN218634258U

CN218634258U - Large-amplitude loudspeaker

Info

Publication number: CN218634258U
Application number: CN202120661527.4U
Authority: CN
Inventors: 张俊利
Original assignee: Yiyang Xinwei Acoustic Technology Co Ltd
Current assignee: Yiyang Xinwei Acoustic Technology Co Ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2023-03-14
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a large amplitude speaker, including voice coil loudspeaker voice coil subassembly, basin frame and vice membrane, vice membrane is connected the voice coil loudspeaker voice coil subassembly with the basin frame, vice epimembranal at least one trompil that is equipped with. The auxiliary membrane is provided with the opening, so that the phenomenon that the auxiliary membrane influences air leakage of the loudspeaker when the voice coil assembly vibrates downwards is effectively improved, the Q value and the amplitude of the loudspeaker are favorably improved, and the loudspeaker is enabled to achieve high performance and large amplitude; novel structure, easy processing can reduce vice membrane production consumptive material, practices thrift the manufacturing cost of speaker.

Description

Large-amplitude loudspeaker

Technical Field

The utility model relates to an electroacoustic transducer technical field especially relates to a big amplitude speaker.

Background

The micro-speaker is widely applied to portable electronic equipment such as mobile phones, notebook computers, hearing aids and the like. With the rapid development of these portable electronic devices, people have increasingly high requirements for miniature electro-acoustic devices used therein, and speakers and receivers used therein are popularizing large-amplitude speakers or super-linear speakers. The amplitudes of the loudspeaker and the receiver are gradually increased to 0.25mm and 0.3mm from the original 0.2mm to more than 0.4mm of the current super-linear or large-amplitude device, and the micro loudspeaker and the receiver with the 0.65mm and the super-large amplitude are in mass production.

The scheme that is suitable for big amplitude speaker at present all adopts big auxiliary membrane bonding mode to restrain the vibrating part and rolls the vibration for guaranteeing amplitude stable balance, promotes the amplitude, and its auxiliary membrane below corresponds the yoke and opens the gas pocket of letting out, comes the guarantee to lose heart, promotes auxiliary membrane vibration space simultaneously, and the auxiliary membrane also vibrates downwards when nevertheless vibrating part vibrates downwards, can cause the influence to losing heart of speaker, and then makes the unable promotion of Q value of speaker, so that influence the promotion of speaker amplitude, lead to the speaker performance to reduce.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a high-performance large-amplitude speaker is provided.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a big amplitude speaker, includes voice coil loudspeaker voice coil subassembly, basin frame and vice membrane, vice membrane is connected the voice coil loudspeaker voice coil subassembly with the basin frame, be equipped with at least one trompil on the vice membrane.

Furthermore, the auxiliary membrane comprises an outer fixing part, a folded ring part and an inner fixing part which are sequentially connected, the outer fixing part is connected with the basin frame, the inner fixing part is connected with the voice coil assembly, and the opening is formed in the folded ring part.

Furthermore, one end of the opening is close to the outer fixing portion, and the other end of the opening is close to the inner fixing portion.

Further, the number of the openings on the secondary membrane is multiple, and the multiple openings are arranged in at least one row on the secondary membrane.

Further, the plurality of openings are arranged in at least two rows on the secondary membrane, and the two adjacent rows of openings are arranged in a one-to-one correspondence or staggered manner.

Further, the opening is polygonal, circular or elliptical.

Furthermore, the two opposite sides of the voice coil assembly are respectively provided with the auxiliary membranes.

Further, the four corners of the voice coil assembly are respectively provided with the secondary membranes.

Further, still including locating magnetic circuit assembly on the basin frame, magnetic circuit assembly includes the yoke, be equipped with the hole of disappointing on the yoke, the hole of disappointing corresponds to the secondary membrane setting.

Furthermore, a mesh cloth covering the air leakage hole is arranged on the yoke.

The beneficial effects of the utility model reside in that: the auxiliary membrane is provided with the opening, so that the phenomenon that the auxiliary membrane influences air leakage of the loudspeaker when the voice coil assembly vibrates downwards is effectively improved, the Q value and the amplitude of the loudspeaker are favorably improved, and the loudspeaker is enabled to achieve high performance and large amplitude; novel structure, easy processing can reduce vice membrane production consumptive material, practices thrift the manufacturing cost of speaker.

Drawings

Fig. 1 is an exploded view of a large amplitude speaker according to a first embodiment of the present invention;

fig. 2 is a bottom view (after hiding the magnetic circuit component) of a partial structure of a large-amplitude speaker according to a first embodiment of the present invention;

fig. 3 is a bottom view (after hiding the magnetic circuit assembly) of a partial structure of another large-amplitude speaker according to a first embodiment of the present invention;

fig. 4 is a bottom view (after hiding the magnetic circuit component) of a partial structure of a large amplitude speaker according to a second embodiment of the present invention.

Description of the reference symbols:

1. a voice coil assembly;

2. a basin stand;

3. a secondary membrane; 31. an outer fixing portion; 32. a folded ring part; 33. an inner fixing portion;

41. a yoke iron; 411. a gas release hole; 42. a magnetic steel component; 43. a washer assembly;

5. a diaphragm assembly;

6. opening a hole;

7. and (4) screen cloth.

Detailed Description

In order to explain the technical contents, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 4, a large amplitude speaker includes a voice coil assembly 1, a frame 2 and an auxiliary membrane 3, where the auxiliary membrane 3 connects the voice coil assembly 1 and the frame 2, and the auxiliary membrane 3 is provided with at least one opening 6.

From the above description, the beneficial effects of the present invention are: the opening 6 is formed in the auxiliary membrane 3, so that the phenomenon that the auxiliary membrane 3 influences air leakage of the loudspeaker when the voice coil assembly 1 vibrates downwards is effectively improved, the Q value and the amplitude of the loudspeaker are favorably improved, and the loudspeaker is enabled to achieve high performance and large amplitude; novel structure, easy processing can reduce 3 production consumptive materials of vice membrane, practices thrift the manufacturing cost of speaker.

Further, the auxiliary membrane 3 comprises an outer fixing part 31, a folded ring part 32 and an inner fixing part 33 which are connected in sequence, the outer fixing part 31 is connected with the basin frame 2, the inner fixing part 33 is connected with the voice coil assembly 1, and the opening 6 is formed in the folded ring part 32.

As can be seen from the above description, the opening 6 is formed on the folded ring portion 32 to facilitate the air flow out of the speaker.

Further, one end of the opening 6 is close to the outer fixing portion 31, and the other end of the opening 6 is close to the inner fixing portion 33.

As can be seen from the above description, the arrangement of the opening 6 is simple.

Further, the number of the openings 6 on the secondary membrane 3 is plural, and the plural openings 6 are arranged in at least one row on the secondary membrane 3.

As can be seen from the above description, the plurality of openings 6 are arranged in at least one row on the secondary membrane 3, so that the local strength of the secondary membrane 3 is lower due to the over concentration of the openings 6, which is beneficial to prolonging the service life of the secondary membrane 3/speaker and enhancing the user experience.

Further, the plurality of openings 6 are arranged in at least two rows on the secondary membrane 3, and the two adjacent rows of openings 6 are arranged in a one-to-one correspondence or staggered manner.

As can be seen from the above description, the specific arrangement of the plurality of openings 6 on the secondary membrane 3 is various, which is beneficial to enrich the diversity of the speaker.

Further, the opening 6 is polygonal, circular or elliptical.

As can be seen from the above description, the shape of the opening 6 is various, which is beneficial to enrich the diversity of the speaker.

Further, the two opposite sides of the voice coil assembly 1 are respectively provided with the secondary membrane 3.

Further, the four corners of the voice coil assembly 1 are provided with the sub-membranes 3, respectively.

As can be seen from the above description, the positions of the sub-diaphragm 3 on the voice coil assembly 1 are numerous, and the manufacturer can set the positions as required.

Further, still including locating magnetic circuit assembly on the basin frame 2, magnetic circuit assembly includes yoke 41, be equipped with on the yoke 41 and lose heart hole 411, it sets up to lose heart hole 411 corresponding to secondary membrane 3.

As can be seen from the above description, the air release hole 411 not only can play a role of air release, but also plays a role of avoiding the sub-membrane 3, so that the speaker can realize vibration with larger amplitude.

Further, a mesh cloth 7 covering the air leakage hole 411 is arranged on the yoke 41.

As can be seen from the above description, the mesh cloth 7 can prevent foreign matters from entering the loudspeaker, and the working stability of the loudspeaker is ensured.

Example one

Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: a large-amplitude loudspeaker can be used as an electroacoustic transducer of electronic equipment such as mobile phones, notebook computers, hearing aids and the like.

As shown in fig. 1, large amplitude speaker includes voice coil assembly 1, basin frame 2, vice membrane 3, magnetic circuit assembly and vibrating diaphragm assembly 5, magnetic circuit assembly locates on the basin frame 2, magnetic circuit assembly includes yoke 41, locates magnet steel assembly 42 on the yoke 41 and locating magnificent department subassembly 43 on the magnet steel assembly 42, vibrating diaphragm assembly 5 is connected voice coil assembly 1's top with basin frame 2, voice coil assembly 1 with vice membrane 3 all is located in basin frame 2, vice membrane 3 is connected voice coil assembly 1's bottom with basin frame 2, be equipped with at least one trompil 6 on the vice membrane 3, be equipped with on the yoke 41 and lose heart hole 411 and cover net cloth 7 of losing heart hole 411, lose heart hole 411 corresponding to vice membrane 3 sets up.

In detail, the secondary membrane 3 comprises an outer fixing portion 31, a ring folding portion 32 and an inner fixing portion 33 which are connected in sequence, the outer fixing portion 31 is connected with the basin frame 2, the inner fixing portion 33 is connected with the voice coil assembly 1, and the open hole 6 is formed in the ring folding portion 32.

Referring to fig. 1 and fig. 2, the number of the openings 6 on the secondary membrane 3 is multiple, and the multiple openings 6 are arranged in at least one row on the secondary membrane 3, in this embodiment, the multiple openings 6 are arranged in at least two rows on the secondary membrane 3, and two adjacent rows of the openings 6 are arranged in a one-to-one correspondence. Of course, as shown in fig. 3, it is also possible that a plurality of the openings 6 are arranged in a row on the secondary membrane 3, in which case, alternatively, one end of the opening 6 is adjacent to the outer fixing portion 31 and the other end of the opening 6 is adjacent to the inner fixing portion 33.

The openings 6 are in the shape of polygons, circles, ellipses or irregular shapes, including but not limited to triangles, rectangles, diamonds, pentagons, hexagons, etc.

The two opposite sides of the voice coil assembly 1 are respectively provided with the auxiliary membranes 3, or the four corners of the voice coil assembly 1 are respectively provided with the auxiliary membranes 3. In a preferred embodiment, the structures of the sub-membranes 3 in the large-amplitude speaker are the same, that is, when an assembler assembles the large-amplitude speaker, the assembler does not need to distinguish different sub-membranes 3 intentionally, which is beneficial to improving the production efficiency of the large-amplitude speaker and reducing the manufacturing cost of the large-amplitude speaker.

Example two

Referring to fig. 4, the second embodiment of the present invention is a further improvement of the arrangement of the holes 6 arranged in multiple rows on the secondary membrane 3, which is different from the first embodiment in that: the plurality of openings 6 are arranged in at least two rows on the secondary membrane 3, and the two adjacent rows of openings 6 are arranged in a staggered manner. So can avoid vice membrane 3 to appear the phenomenon of local area stress concentration for vice membrane 3 self stress dispersion does benefit to the structural stability who guarantees vice membrane 3, prolongs the life of vice membrane 3/big amplitude speaker.

To sum up, the large-amplitude loudspeaker provided by the utility model is smooth in air leakage, can realize high Q value and large amplitude, and effectively improves the acoustic performance of the large-amplitude loudspeaker; the structure is novel and the processing is easy; the secondary membrane has stable structure, and is beneficial to prolonging the service life of the large-amplitude loudspeaker; the auxiliary membrane production consumables can be reduced, and the manufacturing cost of the loudspeaker is saved.

The above mentioned is only the embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a large amplitude speaker, includes voice coil loudspeaker voice coil subassembly, basin frame and vice membrane, vice membrane is connected the voice coil loudspeaker voice coil subassembly with basin frame, its characterized in that: the secondary membrane is provided with at least one opening.

2. The large amplitude speaker of claim 1, wherein: the auxiliary membrane comprises an outer fixing part, a folded ring part and an inner fixing part which are sequentially connected, the outer fixing part is connected with the basin frame, the inner fixing part is connected with the voice coil assembly, and the opening is formed in the folded ring part.

3. The large amplitude speaker of claim 2, wherein: one end of the opening is close to the outer fixing portion, and the other end of the opening is close to the inner fixing portion.

4. The large amplitude speaker of claim 1, wherein: the number of the openings on the secondary membrane is multiple, and the openings with the number of the openings are arranged in at least one row on the secondary membrane.

5. The large amplitude speaker of claim 4, wherein: the holes with the plurality of numbers are arranged in at least two rows on the secondary membrane, and the adjacent two rows of holes are arranged in a one-to-one correspondence or staggered manner.

6. The large amplitude speaker of claim 1, wherein: the opening is polygonal, circular or elliptical.

7. The large amplitude speaker of claim 1, wherein: the two opposite sides of the voice coil assembly are respectively provided with the auxiliary membranes.

8. The large amplitude speaker of claim 1, wherein: the four corners of the voice coil assembly are respectively provided with the secondary membranes.

9. The large amplitude speaker of claim 1, wherein: still including locating magnetic circuit assembly on the basin frame, magnetic circuit assembly includes the yoke, be equipped with the hole of disappointing on the yoke, the hole of disappointing corresponds to vice membrane setting.

10. The large amplitude speaker of claim 9, wherein: and the yoke is provided with a mesh cloth covering the air leakage hole.