CN214429699U - Horn type loudspeaker - Google Patents

Abstract

The utility model provides a loudspeaker, including vibration system and magnetic circuit, vibration system including can produce the voice coil loudspeaker voice coil of vibration and receive under magnetic circuit's the magnetic field effect voice coil loudspeaker voice coil driven vibrating diaphragm, magnetic circuit includes first magnetic circuit subassembly, first magnetic circuit subassembly includes a plurality of first magnets, the vibrating diaphragm is established one side on magnetic circuit's the first direction, first magnet is followed the circumference of first direction distributes, the voice coil loudspeaker voice coil centers on first magnetic circuit subassembly's periphery and with the appearance that first magnet distributes corresponds. This loudspeaker pass through magnetic circuit's specific arrangement to and the cooperation setting of voice coil loudspeaker voice coil, magnetic field reinforcing has improved loudspeaker's sensitivity.

Description

Horn type loudspeaker

Technical Field

The utility model belongs to the technical field of the audio frequency technique and specifically relates to a loudspeaker.

Background

The loudspeaker generally includes a diaphragm, a voice coil and a magnet, where one magnet is usually disposed below the voice coil, and the voice coil vibrates under the action of the magnetic field to drive the diaphragm to vibrate. The voice coils and the magnets of many loudspeakers have simple structures, and the overall sensitivity and other performances of the loudspeakers are low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the present invention is to provide an improved speaker for the above-mentioned defects in the related art.

The utility model provides a technical scheme that its technical problem adopted includes: the loudspeaker comprises a vibration system and a magnetic circuit system, wherein the vibration system comprises a voice coil and a vibrating diaphragm, the voice coil can generate vibration under the action of a magnetic field of the magnetic circuit system, the vibrating diaphragm is driven by the voice coil, the magnetic circuit system comprises a first magnetic circuit assembly, the first magnetic circuit assembly comprises a plurality of first magnets, the vibrating diaphragm is arranged on one side of the magnetic circuit system in a first direction, the first magnets are distributed along the circumferential direction of the first direction, and the voice coil surrounds the periphery of the first magnetic circuit assembly and corresponds to the distribution shape of the first magnets.

Preferably, the first magnetic circuit assembly may comprise three or four of the first magnets.

Preferably, the first magnetic circuit assembly comprises two first magnets arranged at intervals in a second direction, and further comprises two first magnets arranged at intervals in a third direction, the second direction and the third direction being perpendicular to the first direction, the second direction being non-parallel to the third direction.

Preferably, the first magnet is arranged in a cross shape.

Preferably, the magnetic circuit system comprises a second magnetic circuit assembly comprising a plurality of second magnets distributed circumferentially in the first direction, the second magnets being distributed around the same center as the first magnets; in the circumferential direction of the first direction, each second magnet is arranged on the same side of two adjacent first magnets, and the voice coil is arranged between the first magnets and the second magnets.

Preferably, the first magnet and the second magnet are arranged in a square.

Preferably, the first magnet and/or the second magnet are square magnets.

Preferably, one side plane of the first magnet faces the center around which it is arranged.

Preferably, the angle of the second magnet is towards the centre around which it is arranged.

Preferably, the first magnet is aligned with an outer side of the second magnet.

Implement the technical scheme of the utility model, following beneficial effect has at least: this loudspeaker pass through magnetic circuit's specific arrangement to and the cooperation setting of voice coil loudspeaker voice coil, magnetic field reinforcing has improved loudspeaker's sensitivity.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a perspective view of a horn of some embodiments of the present invention.

Fig. 2 is an exploded view of a horn according to a first embodiment of the present invention.

Fig. 3 is another exploded view of the horn of fig. 2.

Fig. 4 is a schematic diagram of the magnetic circuitry and voice coil of the horn of fig. 2.

Fig. 5 is a front projection view of the magnetic circuit system of the horn of fig. 2.

Fig. 6 is an exploded view of a horn according to another embodiment of the present invention.

Fig. 7 is another exploded view of the horn of fig. 6.

Fig. 8 is a front projection view of the magnetic circuit system of the horn of fig. 6.

Fig. 9 is another orthographic view of the magnetic circuit of the horn of fig. 6.

The reference numerals in the figures denote: the vibration system 2, the diaphragm 21, the voice coil 22, the magnetic circuit system 1, the first magnetic circuit assembly 11, the first magnet 111, the second magnetic circuit assembly 12, the second magnet 121, the housing 3, the first direction 41, the second direction 42, and the third direction 43.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that if the terms "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are used herein to indicate an orientation or positional relationship, they are constructed and operated in a particular orientation based on the orientation or positional relationship shown in the drawings, but are only for convenience of describing the present invention, and do not indicate that the device or component being referred to must have a particular orientation, and therefore, should not be construed as limiting the present invention. It is also to be understood that, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "disposed," and the like, if used herein, are intended to be inclusive, e.g., that they may be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. If the terms "first", "second", "third", etc. are used herein only for convenience in describing the present technical solution, they are not to be taken as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

Referring to fig. 1-5, a speaker in an embodiment of the present invention includes a housing 3, a vibration system 2 and a magnetic circuit system 1, where the magnetic circuit system 1 is disposed in the housing 3, the vibration system 2 includes a voice coil 22 capable of generating vibration under the action of a magnetic field of the magnetic circuit system 1 and a diaphragm 21 driven by the voice coil 22, the diaphragm 21 is connected to the housing 3, and the voice coil 22 is preferably disposed on a side of the diaphragm 21 facing the magnetic circuit system 1; the magnetic circuit system 1 includes a first magnetic circuit assembly 11, the first magnetic circuit assembly 11 includes a plurality of first magnets 111, the diaphragm 21 is disposed on one side of the magnetic circuit system 1 in the first direction 41, the voice coil 22 is disposed on a side of the diaphragm 21 facing the first magnets 111, the first magnets 111 are distributed along a circumferential direction of the first direction 41, preferably uniformly distributed, and the voice coil 22 surrounds a periphery of the first magnetic circuit assembly 11 and corresponds to a distribution shape of the first magnets 111.

The loudspeaker is arranged through the specific arrangement of the first magnet 111 and the matching of the voice coil 22, the magnetic field is enhanced, and the sensitivity of the loudspeaker is improved. The loudspeaker can be applied to the loudspeaker fields of earphone loudspeakers, mobile phone receivers, mobile phone loudspeakers, pen-type electric loudspeakers and the like.

The first magnetic circuit assembly 11 may include three or four first magnets 111.

In some embodiments, referring to fig. 2-5, the first magnetic circuit assembly 11 includes four first magnets 111, including two first magnets 111 spaced apart from each other in the second direction 42, and including two first magnets 111 spaced apart from each other in the third direction 43, the second direction 42 and the third direction 43 being perpendicular to the first direction 41, the second direction 42 being non-parallel to the third direction 43, the second direction 42 preferably being perpendicular to the third direction 43. Preferably, the first magnets 111 are arranged in a cross shape.

In some embodiments, referring to fig. 6-9, the magnetic circuit system 1 comprises a second magnetic circuit assembly 12, the second magnetic circuit assembly 12 comprising a plurality of second magnets 121 distributed along the circumference of the first direction 41, preferably uniformly distributed, the second magnets 121 being distributed around the same center as the first magnets 111; in the circumferential direction of the first direction 41, each second magnet 121 is disposed on the same side of two adjacent first magnets 111, the voice coil 22 passes through the side of the second magnet 121 facing the first magnets 111, a gap is formed between the first magnets 111 and the second magnets 121, and the voice coil 22 is disposed between the first magnets 111 and the second magnets 121. Through the specific arrangement of the first magnet 111 and the second magnet 121 and the matching arrangement of the voice coil 22, the magnetic field is further enhanced, and the sensitivity of the loudspeaker is greatly improved. Preferably, the first magnet 111 and the second magnet 121 are arranged in a square shape, and the outer side surfaces of the first magnet 111 and the second magnet 121 are aligned.

In some embodiments, the first magnet 111 and/or the second magnet 121 are square magnets.

Preferably, one side of the first magnet 111 is planar towards the center of its surrounding arrangement, see the dashed lines in fig. 5 and 8.

Preferably, the corners of the second magnet 121 are directed towards the centre around which it is arranged, see the dashed lines in fig. 9.

To sum up, the utility model discloses a loudspeaker are arranged through the specific of first magnet 111 with second magnet 121 to and voice coil loudspeaker voice coil 22's cooperation setting, and magnetic field obtains further reinforcing, has improved loudspeaker's sensitivity greatly.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, which may be modified, combined, and varied by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. A loudspeaker comprises a vibration system (2) and a magnetic circuit system (1), wherein the vibration system (2) comprises a voice coil (22) capable of generating vibration under the action of a magnetic field of the magnetic circuit system (1) and a diaphragm (21) driven by the voice coil (22), the magnetic circuit system (1) comprises a first magnetic circuit assembly (11), the first magnetic circuit assembly (11) comprises a plurality of first magnets (111), the diaphragm (21) is arranged on one side of the first direction (41) of the magnetic circuit system (1), the first magnets (111) are distributed along the circumferential direction of the first direction (41), and the voice coil (22) surrounds the periphery of the first magnetic circuit assembly (11) and corresponds to the distribution shape of the first magnets (111).

2. A horn according to claim 1, characterised in that the first magnetic circuit assembly (11) may comprise three or four of the first magnets (111).

3. A horn according to claim 2, wherein the first magnetic circuit assembly (11) comprises two of the first magnets (111) spaced apart in a second direction (42), and further comprises two of the first magnets (111) spaced apart in a third direction (43), the second direction (42) and the third direction (43) being perpendicular to the first direction (41), the second direction (42) being non-parallel to the third direction (43).

4. A horn according to claim 3, characterised in that the first magnet (111) is arranged in a cross.

5. A horn according to claim 1, wherein the magnetic circuit system (1) comprises a second magnetic circuit assembly (12), the second magnetic circuit assembly (12) comprising a plurality of second magnets (121) distributed along the circumference of the first direction (41), the second magnets (121) being distributed around the same center as the first magnets (111); in the circumferential direction of the first direction (41), each second magnet (121) is arranged on the same side of two adjacent first magnets (111), and the voice coil (22) is arranged between the first magnets (111) and the second magnets (121).

6. The horn of claim 5, wherein the first magnet (111) and the second magnet (121) are arranged in a square.

7. The horn of claim 5, wherein the first magnet (111) and/or the second magnet (121) are square magnets.

8. The horn of claim 7, wherein the first magnet (111) has a side plane facing the center of its surrounding arrangement.

9. The horn of claim 7, wherein the corners of the second magnet (121) are oriented towards the center around which it is arranged.

10. The horn of claim 5, wherein the first magnet (111) is aligned with an outer side of the second magnet (121).

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