CN222621176U - Ultra-thin dual-unit speaker - Google Patents

Abstract

The utility model discloses an ultrathin double-unit loudspeaker, and belongs to the technical field of loudspeakers. The utility model provides an ultra-thin double unit loudspeaker, includes well bass unit and treble unit, well bass unit includes well bass protecgulum and well bass casing, and well bass protecgulum is installed in the top of well bass casing, the treble unit includes the treble shell, and the top at well bass protecgulum is installed to the treble shell, the surface of treble shell is provided with the treble hole of making sound, and the treble hole of making sound extends to well bass unit inside, all be provided with well bass hole around the treble hole of making sound. In order to solve the problem that the prior double-unit loudspeaker is limited by the structure of the loudspeaker, the space of the cavity of the temporal part of the loudspeaker is relatively smaller and can not accommodate the battery structure with larger capacity, thereby shortening the endurance time of the earphone, the diaphragm voice coil assembly is placed above the magnetic path by the tweeter, thereby working by utilizing the magnetic field of the middle-low woofer, and the height is greatly reduced because the tweeter is not provided with a magnetic circuit structure.

Description

Ultra-thin double-unit loudspeaker

Technical Field

The utility model relates to the technical field of horns, in particular to an ultrathin double-unit horn.

Background

The double-unit loudspeaker is a middle-bass loudspeaker, and a tweeter is adhered on the middle-bass loudspeaker, so that the essence of the double-unit loudspeaker is superposition of the two loudspeakers, the whole height of the double-unit loudspeaker can be increased, and the total height of the double-unit loudspeaker depends on the height of the tweeter;

The existing double-unit loudspeaker is limited by the structure, the space of the cavity of the temporal part of the existing double-unit loudspeaker is relatively small, and the battery structure with larger capacity cannot be accommodated, so that the duration of the earphone is shortened.

Disclosure of utility model

The utility model aims to provide an ultrathin double-unit loudspeaker, wherein a diaphragm voice coil assembly is arranged above a magnetic path by a tweeter, so that the tweeter works by utilizing the magnetic field of a mid-bass loudspeaker, and the height is greatly reduced due to the fact that a magnetic circuit structure is not arranged in the tweeter, and the problems in the prior art can be solved.

In order to achieve the purpose, the ultra-thin double-unit loudspeaker comprises a middle bass unit and a high bass unit, wherein the middle bass unit comprises a middle bass front cover and a middle bass shell, the middle bass front cover is arranged above the middle bass shell, the high bass unit comprises a high bass shell, the high bass shell is arranged above the middle bass front cover, high bass sound outlet holes are formed in the outer surface of the high bass shell and extend into the middle bass unit, and middle bass sound outlet holes are formed in the periphery of the high bass sound outlet holes.

Preferably, a high-pitch diaphragm is arranged in the high-pitch unit, and a high-pitch voice coil is arranged below the high-pitch diaphragm.

Preferably, a mid-bass diaphragm is arranged in the mid-bass unit, and a mid-bass voice coil is arranged below the mid-bass diaphragm.

Preferably, an upper magnetic circuit is arranged above the middle-bass diaphragm, and a lower magnetic circuit is arranged below the middle-bass voice coil.

Preferably, the upper magnetic circuit comprises an upper outer magnet and an upper inner magnet, the lower magnetic circuit comprises a lower outer magnet and a lower inner magnet, and the high-pitch sound outlet penetrates through the upper inner magnet and extends to the upper part of the middle-low-pitch diaphragm.

Preferably, a rear cavity leakage hole is formed in one side of the bottom of the middle bass shell, and an upper middle magnet is arranged between the upper outer magnet and the upper inner magnet.

Compared with the prior art, the utility model has the beneficial effects that:

1. The utility model relates to a high-pitch horn of an ultrathin double-unit horn, which consists of a middle-pitch horn and a high-pitch horn with upper and lower magnetic circuits, wherein the high-pitch horn does not contain a magnet, only a shell, a diaphragm and a voice coil, and the high-pitch horn skillfully utilizes any magnetic circuit of the middle-pitch horn, and places a diaphragm voice coil assembly above the magnetic circuit, so that the high-pitch horn works by utilizing the magnetic field of the middle-pitch horn;

2. The utility model has the advantages that the high-frequency attenuation of the middle-low sound horn is faster, and the high-frequency attenuation of the middle-low sound horn is combined with the high-sound horn through frequency division, so that the high-frequency bandwidth of the double-unit loudspeaker is effectively expanded, and the tone quality of the double-unit loudspeaker is greatly improved.

Drawings

FIG. 1 is a schematic diagram of a middle sounding loudspeaker according to the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic diagram of a side-sounding loudspeaker according to the present utility model;

fig. 4 is a schematic cross-sectional structure of fig. 3.

In the figure, 1, a middle bass unit, 2, a high bass unit, 3, an upper magnetic circuit, 4, a lower magnetic circuit, 101, a middle bass front cover, 102, a middle bass shell, 103, a middle bass diaphragm, 104, a middle bass voice coil, 1021, a rear cavity leakage hole, 201, a middle bass sound outlet hole, 202, a high sound outlet hole, 203, a high sound diaphragm, 204, a high voice coil, 205, a high sound shell, 301, an upper outer magnet, 302, an upper inner magnet, 303, an upper middle magnet, 401, a lower outer magnet, 402 and a lower inner magnet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to solve the problem that the prior double-unit loudspeaker is limited by the structure, the space of the cavity of the temporal part of the prior double-unit loudspeaker is relatively smaller and can not accommodate a battery structure with larger capacity, thereby shortening the duration of the earphone, the utility model provides the following scheme:

Example 1, please refer to fig. 1-2:

An ultrathin double-unit loudspeaker comprises a mid-bass unit 1 and a high-bass unit 2, wherein the mid-bass unit 1 comprises a mid-bass front cover 101 and a mid-bass shell 102, the mid-bass front cover 101 is arranged above the mid-bass shell 102, the high-bass unit 2 comprises a high-bass shell 205, the high-bass shell 205 is arranged above the mid-bass front cover 101, a high-bass sound outlet 202 is arranged on the outer surface of the high-bass shell 205, the high-bass sound outlet 202 extends into the mid-bass unit 1, and mid-bass sound outlet 201 are arranged around the high-bass sound outlet 202;

In this embodiment, a high-pitch diaphragm 203 is disposed inside the high-pitch unit 2, a high-pitch voice coil 204 is disposed below the high-pitch diaphragm 203, a mid-low-pitch diaphragm 103 is disposed inside the mid-low-pitch unit 1, a mid-low-pitch voice coil 104 is disposed below the mid-low-pitch diaphragm 103, an upper magnetic circuit 3 is disposed above the mid-low-pitch diaphragm 103, a lower magnetic circuit 4 is disposed below the mid-low-pitch voice coil 104, the upper magnetic circuit 3 includes an upper outer magnet 301 and an upper inner magnet 302, the lower magnetic circuit 4 includes a lower outer magnet 401 and a lower inner magnet 402, a high-pitch sound outlet 202 extends above the mid-low-pitch diaphragm 103 through the upper inner magnet 302, and a rear cavity leakage hole 1021 is disposed on one side of the bottom of the mid-low-pitch housing 102;

In this embodiment, the magnetic circuit system of the mid-bass unit 1 is divided into an upper magnetic circuit structure and a lower magnetic circuit structure, the magnetic circuit of each surface is only provided with two magnets, the mid-bass diaphragm 103 can adopt a folded ring structure or a planar structure, the mid-bass voice coil 104 is a flat structure and is adhered to one side of the mid-bass diaphragm 103, and the mid-bass loudspeaker sounds through the high-bass sound outlet 202;

in this embodiment, the high-pitch unit 2 has no magnetic circuit system, and only comprises a high-pitch diaphragm 203 with double support rings, a high-pitch voice coil 204 and a high-pitch casing 205, wherein the high-pitch voice coil 204 is bonded on the high-pitch diaphragm 203, the high-pitch diaphragm 203 is placed above the front cover of the mid-low-pitch unit 1, and the high-pitch voice coil 204 is just above the inner and outer magnetic gaps, so that the high-pitch voice coil can work by skillfully utilizing the magnetic field of the upper magnetic circuit 3 of the mid-low pitch, and the high-pitch loudspeaker casing can be provided with a middle opening or an edge opening;

In this embodiment, the high-frequency attenuation of the mid-woofer is relatively fast, and the tweeter is combined through frequency division, so that the high-frequency bandwidth of the dual-unit loudspeaker is effectively expanded, and the sound quality of the dual-unit loudspeaker is greatly improved.

Example 2, please refer to fig. 3-4:

An ultrathin double-unit loudspeaker comprises a mid-bass unit 1 and a high-bass unit 2, wherein the mid-bass unit 1 comprises a mid-bass front cover 101 and a mid-bass shell 102, the mid-bass front cover 101 is arranged above the mid-bass shell 102, the high-bass unit 2 comprises a high-pitch shell 205, the high-pitch shell 205 is arranged above the mid-bass front cover 101, a mid-bass sound outlet 201 is arranged on the outer surface of the high-pitch shell 205, a high-pitch sound outlet 202 is arranged on the outer side of the mid-bass sound outlet 201, and the high-pitch sound outlets 202 are distributed on the surface of the mid-bass front cover 101;

In this embodiment, a high-pitch diaphragm 203 is disposed inside the high-pitch unit 2, a high-pitch voice coil 204 is disposed below the high-pitch diaphragm 203, a middle-low-pitch diaphragm 103 is disposed inside the middle-low-pitch unit 1, a middle-low-pitch voice coil 104 is disposed below the middle-low-pitch diaphragm 103, an upper magnetic circuit 3 is disposed above the middle-low-pitch diaphragm 103, a lower magnetic circuit 4 is disposed below the middle-low-pitch voice coil 104, the upper magnetic circuit 3 includes an upper outer magnet 301 and an upper inner magnet 302, the lower magnetic circuit 4 includes a lower outer magnet 401 and a lower inner magnet 402, a rear cavity leakage hole 1021 is disposed on one side of the bottom of the middle-low-pitch housing 102, and an upper middle magnet 303 is disposed between the upper outer magnet 301 and the upper inner magnet 302;

In this embodiment, the magnetic circuit system of the mid-bass unit 1 is divided into an upper magnetic circuit structure and a lower magnetic circuit structure, the upper magnetic circuit 3 is provided with three magnets, the lower magnetic circuit 4 is provided with two magnets, the mid-bass diaphragm 103 can adopt a folded ring structure or a planar structure, the mid-bass voice coil 104 is of a flat structure and is adhered to one side of the mid-bass diaphragm 103, and the mid-bass horn passes through the edge Kong Fasheng of the upper magnet;

in this embodiment, the high-pitch unit 2 has no magnetic circuit system, and only comprises a high-pitch diaphragm 203 with a double support ring, a high-pitch voice coil 204 and a high-pitch casing 205, wherein the high-pitch voice coil 204 is bonded on the high-pitch diaphragm 203, the high-pitch diaphragm 203 is placed above the front cover of the mid-low-pitch unit 1, and the high-pitch voice coil 204 is just above the space between the upper middle magnet 303 and the upper inner magnet 302 of the upper magnetic circuit 3, so that the high-pitch voice coil can work by skillfully utilizing the magnetic field of the upper magnetic circuit 3 of the mid-low pitch, and the high-pitch loudspeaker casing can be provided with a middle opening or an edge opening.

The working principle is that the magnetic circuit system of the middle bass unit 1 is divided into an upper magnetic circuit structure and a lower magnetic circuit structure, the magnetic circuits of each surface are only provided with two magnets, the middle bass diaphragm 103 can be of a folded ring structure or a plane structure, the middle bass voice coil 104 is of a flat structure and is adhered to one side of the middle bass diaphragm 103, the middle bass loudspeaker produces sound through the high bass sound outlet 202, the voice coil drives the diaphragm to vibrate up and down to produce sound after being electrified with alternating current, the high bass voice coil 204 is placed above the upper magnetic circuit 3 and is acted by the magnetic field of the upper magnetic circuit 3, and the high bass voice coil 204 drives the high bass diaphragm 203 to vibrate up and down to produce sound after being electrified with alternating current.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An ultra-thin double-unit speaker, comprising a mid-bass unit (1) and a tweeter unit (2), characterized in that the mid-bass unit (1) comprises a mid-bass front cover (101) and a mid-bass housing (102), the mid-bass front cover (101) being mounted above the mid-bass housing (102), the tweeter unit (2) comprising a tweeter housing (205), the tweeter housing (205) being mounted above the mid-bass front cover (101), a tweeter sound outlet (202) being arranged on an outer surface of the tweeter housing (205), the tweeter sound outlet (202) extending into the interior of the mid-bass unit (1), and mid-bass sound outlets (201) being arranged around the tweeter sound outlet (202). 2. The ultra-thin dual-unit speaker according to claim 1 is characterized in that a tweeter diaphragm (203) is arranged inside the tweeter unit (2), and a tweeter voice coil (204) is arranged below the tweeter diaphragm (203). 3. The ultra-thin dual-unit speaker according to claim 1 is characterized in that a mid-bass diaphragm (103) is arranged inside the mid-bass unit (1), and a mid-bass voice coil (104) is arranged below the mid-bass diaphragm (103). 4. The ultra-thin dual-unit speaker according to claim 3 is characterized in that an upper magnetic circuit (3) is arranged above the mid-bass diaphragm (103), and a lower magnetic circuit (4) is arranged below the mid-bass voice coil (104). 5. The ultra-thin dual-unit speaker according to claim 4 is characterized in that: the upper magnetic circuit (3) includes an upper external magnet (301) and an upper internal magnet (302), the lower magnetic circuit (4) includes a lower external magnet (401) and a lower internal magnet (402), and the tweeter sound hole (202) passes through the upper internal magnet (302) and extends to the top of the mid-bass diaphragm (103). 6. The ultra-thin dual-unit speaker according to claim 5 is characterized in that a rear cavity leakage hole (1021) is provided on one side of the bottom of the mid-bass shell (102), and an upper middle magnet (303) is provided between the upper outer magnet (301) and the upper inner magnet (302).