CN213152363U

CN213152363U - Three-tone cavity shunt frequency division horn module

Info

Publication number: CN213152363U
Application number: CN202020992202.XU
Authority: CN
Inventors: 温增丰; 温景纶; 温信浩
Original assignee: Dongguan Fenglun Electronic Technology Co ltd
Current assignee: Dongguan Fenglun Electronic Technology Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-05-07
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a three-tone chamber branching frequency division horn module, which comprises a shell and a horn monomer, wherein the shell is provided with a cavity, a first sound outlet and a second sound outlet; the frame of the loudspeaker unit is provided with a base plate part and an annular part, the upper end and the lower end of the base plate part and the lower end of the annular part are respectively enclosed to form an upper cavity and a lower cavity, and the annular part is provided with a first sound outlet area; the magnetic circuit component is provided with a second sound outlet area; a third sound outlet area is arranged on the substrate part, the first sound outlet area faces the first chamber, the second sound outlet area faces the second chamber, and the third sound outlet area faces the third chamber; its overall structure is simple, and the rationality preferred, well sound and bass converge the back and discharge through solitary second play sound hole jointly, and the stereovision between well sound and the high pitch is obvious, effectively promotes the tone quality effect of product.

Description

Three-tone cavity shunt frequency division horn module

Technical Field

The utility model belongs to the technical field of the loudspeaker technique and specifically relates to indicate a three tone chamber divide frequency loudspeaker module along separate routes.

Background

Although the types and the number of the existing loudspeakers are very large, the loudspeakers on the market are complex in structure and poor in rationality, and the tone quality effect is poor due to poor layering between the mid-bass and the high-treble of the loudspeakers.

Therefore, a new technical solution needs to be developed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a three tone chamber divider horn module along separate routes, and its overall structure is simple, and the rationality preferred, the common sound hole of discharging through solitary second after medium pitch and bass are joined, and the high pitch is discharged from first sound hole, and the stereovision between medium pitch and the high pitch is obvious, effectively promotes the tone quality effect of product.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a three-tone-cavity shunt frequency division horn module comprises a shell and a horn single body, wherein the shell is provided with a cavity, a first sound outlet hole and a second sound outlet hole, the horn single body is arranged in the cavity, the horn single body divides the cavity into a first cavity, a second cavity and a third cavity, the first cavity is communicated with the first sound outlet hole, and the second cavity and the third cavity are both communicated with the second sound outlet hole;

the loudspeaker unit comprises a frame, a magnetic circuit assembly, a voice coil and a vibrating membrane;

the frame is provided with a base plate part and an annular part which are connected with each other, the upper end and the lower end of the base plate part and the annular part are respectively enclosed to form an upper cavity and a lower cavity, the base plate part is provided with an installation hole which vertically penetrates through the two sides of the base plate part and the upper cavity, and the annular part is provided with a first sound outlet region which is used for penetrating through the lower cavity and the outside; the magnetic circuit component is arranged corresponding to the mounting hole and is provided with a second sound outlet area;

the upper side of the substrate part integrally extends upwards to form a barrel part corresponding to the periphery of the mounting hole, and a third sound outlet area is further concavely arranged on the upper side surface of the substrate part corresponding to the position between the barrel part and the annular part and penetrates through two sides of the substrate part, the upper cavity and the lower cavity;

the vibrating membrane is connected with the voice coil, arranged on the lower side of the frame and covering the magnetic loop assembly, the second sound outlet area and the third sound outlet area; the first sound outlet area faces the first chamber, the second sound outlet area faces the second chamber, and the third sound outlet area faces the third chamber.

Preferably, the first sound outlet and the second sound outlet are both located on the same side of the housing.

As a preferable scheme, the housing comprises an upper housing and a lower housing, and the upper housing is detachably connected to the lower housing.

Preferably, the lower case has a bottom plate portion and a first sidewall integrally extending upward from an upper end surface of the bottom plate portion;

the loudspeaker single body is installed and is held the intracavity under, it forms first cavity to go up the lower terminal surface of casing and hold down between the inner wall in chamber to be formed with the lower chamber that holds of upper end open-ended between the inner wall of first lateral wall and the up end of bottom plate portion.

As a preferable scheme, the upper housing is provided with a first air passage and an upper accommodating cavity, the upper accommodating cavity is provided with a lower end opening, the first air passage is provided with a first through hole and a second through hole, and the second through hole is communicated with the second sound outlet hole;

install in the loudspeaker monomer and hold the intracavity under and go up the casing and the casing equipment back down, the loudspeaker monomer blocks and holds the chamber and hold the chamber intercommunication down, the second goes out the lower extreme opening that the sound zone held the chamber from last and stretches into and holds the intracavity, first gas passage holds the chamber and goes up through first through-hole intercommunication and holds and form the second cavity between the inner wall in chamber and the first gas passage.

As a preferable scheme, the upper end surface of the bottom plate portion integrally extends upwards to form a second side wall, the first side wall surrounds the periphery of the second side wall, a fourth chamber with an open upper end is formed between the inner wall of the second side wall and the upper end surface of the bottom plate portion, and the fourth chamber is communicated with the second sound outlet;

after the upper shell and the lower shell are assembled, the upper shell covers the upper end opening of the fourth cavity, and the second through hole is communicated with the second sound outlet hole through the fourth cavity.

As a preferred scheme, the upper housing is provided with a second air passage, a third through hole and a fourth through hole, two ends of the second air passage are respectively communicated with the third through hole and the fourth through hole to form a third chamber, the third sound emitting area faces the third through hole, and the fourth through hole is communicated with the second sound emitting hole.

As a preferable scheme, the upper housing includes an upper cover and an upper housing body detachably connected to the upper cover, and the upper cover and the upper housing body are assembled up and down to form the second chamber and/or the third chamber.

As a preferable scheme, a first damping member is disposed on the upper side of the frame corresponding to the third sound-emitting area, a second damping member is disposed on the first sound-emitting area, and a third damping member is disposed on the second sound-emitting area.

As a preferred scheme, the bottom plate part is provided with air holes which vertically penetrate through the upper side and the lower side of the bottom plate part, and the air holes are covered with fourth damping parts.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, known from the above technical scheme, it is mainly that overall structure is simple, and the rationality is better, especially, pass through three passageway respectively with bass, middle-pitched and high-pitched three at first, then, the middle-pitched and the low-pitched sound converge and together discharge through solitary second discharge sound hole, and the high-pitched sound discharges from first discharge sound hole, and the stereovision between middle-pitched and the high-pitched is obvious, effectively promotes the tone quality effect of product;

secondly, by the design of the fourth chamber, the middle tone and the low tone can be converged and mixed sufficiently and uniformly and then leave the shell, and the tone quality effect of the product is further improved;

moreover, whether the corresponding damping piece is arranged in the corresponding sound outlet area can be flexibly selected according to the actual design requirement;

and all parts are convenient and firm to assemble, and the stability and reliability of a subsequent earphone finished product in the using process are ensured.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of another angle assembly structure according to the preferred embodiment of the present invention;

FIG. 3 is an exploded view of the preferred embodiment of the present invention;

FIG. 4 is a schematic view of a sound-generating module according to a preferred embodiment of the present invention;

FIG. 5 is a schematic exploded view of a speaker unit according to a preferred embodiment of the present invention;

fig. 6 is a schematic top view of a partial structure according to a preferred embodiment of the present invention (mainly showing the airflow direction of the first sound emitting region);

fig. 7 is a schematic view of a first cross-sectional structure of the preferred embodiment of the present invention (mainly showing the airflow direction of the second sound-emitting area);

fig. 8 is a schematic cross-sectional view of a second preferred embodiment of the present invention (mainly showing the airflow direction of the third sound emitting area).

The attached drawings indicate the following:

10. casing 101, first sound outlet

102. Second sound outlet

11. Upper case 111, first air passage

1111. First through hole 1112 and second through hole

112. Upper accommodating cavity 113 and second air passage

114. Third through hole 115 and fourth through hole

116. Upper cover 117 and upper housing body

12. Lower casing

121. Bottom plate part 122, first side wall

123. Lower accommodating cavity 124 and second side wall

125. Fourth chamber 13, outer cover

20. Loudspeaker unit 201 and first sound outlet area

202. A second sound output area 203 and a third sound output area

21. Frame 211 and substrate part

212. Annular part 213, upper chamber

214. Lower cavity 215, mounting hole

216. Barrel 217, abdication hole

22. Voice coil 23 and diaphragm

24. Magnet 25, washer

26. Second air hole 27 and yoke

31. First damper 32, second damper

33. A third damping member 34 and a fourth damping member.

Detailed Description

As shown in fig. 1 to 8, a three-tone-cavity shunt frequency division horn module includes a housing 10 and a horn unit 20, wherein the housing 10 has a cavity, a first sound outlet 101 and a second sound outlet 102, the horn unit 20 is installed in the cavity, the horn unit 20 divides the cavity into a first cavity, a second cavity and a third cavity, the first cavity is communicated with the first sound outlet 101, and the second cavity and the third cavity are both communicated with the second sound outlet 102; in the present embodiment, the first sound emitting hole 101 and the second sound emitting hole 102 are both located on the same side of the casing 10.

The speaker unit 20 includes a frame 21, a magnetic circuit assembly, a voice coil 22 and a diaphragm 23, wherein the magnetic circuit assembly includes a yoke 27, a magnet 24 and a washer 25.

The frame 21 has a base plate portion 211 and an annular portion 212 connected to each other, the upper and lower ends of the base plate portion 211 and the annular portion 212 respectively enclose an upper cavity 213 and a lower cavity 214, the base plate portion 211 is provided with an installation hole 215 vertically penetrating through two sides of the base plate portion 211, the upper cavity 213 and the lower cavity 214, and the annular portion 212 is provided with a first sound emitting region 201 penetrating through the lower cavity 214 and the outside; the magnetic circuit component is arranged corresponding to the mounting hole 215 and is provided with a second sound outlet area 202;

the upper side of the substrate portion 211 corresponds to the mounting hole 215 and extends upward integrally to form a barrel portion 216, and a third sound emitting area 203 is further concavely arranged between the upper side surface of the substrate portion 211 corresponding to the barrel portion 216 and the annular portion 212, the third sound emitting area 203 penetrates through two sides of the substrate portion 211, an upper cavity 213 and a lower cavity 214, and in this embodiment, the lower end of the third sound emitting area 203 penetrates through the lower side of the substrate portion 211 through a plurality of abdicating holes 217 arranged along the annular interval. A first damping member 31 is disposed on the upper side of the frame 21 corresponding to the third sound emitting region 203, a second damping member 32 is disposed on the first sound emitting region 201, and a third damping member 33 is disposed on the second sound emitting region 202.

In this embodiment, the yoke 27, the magnet 24 and the washer 25 are all formed with second ventilation holes 26 which are opposite to and through in sequence along the center, and all the second ventilation holes 26 form a second sound emitting area 202;

the vibrating membrane 23 is connected to the voice coil 22, and the vibrating membrane 23 is arranged on the lower side of the frame 21 and covers the magnetic circuit assembly, the second sound emitting area 202 and the third sound emitting area 203; the first sound-emitting area 201 faces the first chamber, the second sound-emitting area 202 faces the second chamber, and the third sound-emitting area 203 faces the third chamber.

In this embodiment, the housing 10 includes an upper housing 11, a lower housing 12 and an outer cover 13, and the upper housing 11 is detachably connected to the lower housing 12. The lower case 12 has a bottom plate 121 and a first side wall 122 integrally extending upward from an upper end surface of the bottom plate 121;

a lower accommodating cavity 123 with an open upper end is formed between the inner wall of the first side wall 122 and the upper end surface of the bottom plate portion 121, the horn unit 20 is installed in the lower accommodating cavity 123, and a first cavity is formed between the lower end surface of the upper shell 11 and the inner wall of the lower accommodating cavity 123.

The upper end surface of the bottom plate part 121 is further integrally extended upward to form a second side wall 124, the first side wall 122 surrounds the periphery of the second side wall 124, a fourth chamber 125 with an open upper end is formed between the inner wall of the second side wall 124 and the upper end surface of the bottom plate part 121, and the fourth chamber 125 is communicated with the second sound outlet 102;

the bottom plate 121 is formed with air holes penetrating the upper and lower sides thereof along the upper and lower sides, and the fourth damping member 34 is disposed over the air holes. The vent holes include a first vent hole formed on the bottom plate portion 121 where the first cavity is located, and a third vent hole formed on the bottom plate portion 121 where the fourth cavity 125 is located.

When the upper housing 11 and the lower housing 12 are assembled, the upper housing 11 covers the upper opening of the fourth chamber 125, the second through hole 1112 is connected to the second sound outlet 102 through the fourth chamber 125, and the sounds of the second chamber and the third chamber are mixed in the fourth chamber 125 and then discharged out of the housing 10 through the second sound outlet 102.

The upper housing 11 has a first air passage 111, an upper receiving chamber 112, a second air passage 113, a first through hole 1111, a second through hole 1112, a third through hole 114 and a fourth through hole 115, the upper receiving chamber 112 has a lower end opening, the first air passage 111 has the first through hole 1111, the first air passage 111 communicates with the second sound outlet hole 102 through the second through hole 1112;

install in holding under and hold in the chamber 123 and go up casing 11 and lower casing 12 equipment back at loudspeaker monomer 20, loudspeaker monomer 20 blocks to hold chamber 112 and hold chamber 123 intercommunication down, second play sound zone 202 stretches into on holding chamber 112 from the last lower extreme opening that holds chamber 112 in, first air flue 111 forms the second cavity through holding between inner wall and the first air flue 111 that hold chamber 112 on the first through-hole 1111 intercommunication and hold chamber 112.

Two ends of the second air passage 113 are respectively communicated with a third through hole 114 and a fourth through hole 115 to form a third chamber, the third sound emitting area 203 faces the third through hole 114, and the fourth through hole 115 is communicated with the second sound emitting hole 102.

The upper housing 11 includes an upper cover 116 and an upper housing body 117 detachably connected to the upper cover 116, and preferably, the second through hole 1112, the third through hole 114, and the fourth through hole 115 are disposed on the upper housing body 117. The upper cover 116 and the upper housing body 117 are assembled to form a second chamber and/or a third chamber. In this embodiment, the upper cover 116 and the upper housing body 117 are assembled to form a second chamber and a third chamber.

The following will generally describe the following sound course:

the sound generated by the vibration of the diaphragm 23 is divided into three parts and leaves the outside of the housing 10, as shown in fig. 6, the first part of the sound leaves the outside of the housing 10 through the lower cavity 214, the first sound outlet area 201, the first chamber and the first sound outlet hole 101 in sequence;

as shown in fig. 7, the second part of the sound exits the outside of the housing 10 through the lower cavity 214, the mounting hole 215, the second sound emitting area 202, the upper receiving cavity 112, the first through hole 1111, the first air passage 111, the second through hole 1112, the fourth cavity 125 and the second sound emitting hole 102 in sequence;

as shown in fig. 8, the third part of the sound exits the housing 10 through the lower cavity 214, the abdicating hole, the third sound emitting area 203, the second air passage 113, the third through hole 114, the fourth through hole 115, the fourth cavity 125 and the second sound emitting hole 102 in sequence.

The utility model discloses a design focus lies in: the bass, the middle-pitched and the treble are firstly respectively passed through the three channels, then the middle-pitched and the bass are converged and then are discharged through the independent second sound discharging holes together, the treble is discharged through the first sound discharging holes, the layering between the middle-pitched and the treble is obvious, and the tone quality effect of the product is effectively improved;

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a three tone chamber branch circuit frequency division loudspeaker module which characterized in that: the loudspeaker comprises a shell and a loudspeaker single body, wherein the shell is provided with a cavity, a first sound outlet hole and a second sound outlet hole, the loudspeaker single body is arranged in the cavity, the cavity is divided into a first chamber, a second chamber and a third chamber by the loudspeaker single body, the first chamber is communicated with the first sound outlet hole, and the second chamber and the third chamber are both communicated with the second sound outlet hole;

2. The three-tone cavity split-band horn module of claim 1, wherein: the first sound outlet hole and the second sound outlet hole are both located on the same side of the shell.

3. The three-tone cavity split-band horn module of claim 1, wherein: the shell comprises an upper shell and a lower shell, and the upper shell is detachably connected to the lower shell.

4. The three-tone cavity split-band horn module of claim 3, wherein: the lower shell is provided with a bottom plate part and a first side wall integrally and upwards extending from the upper end surface of the bottom plate part;

5. The three-tone cavity split-band horn module of claim 4, wherein: the upper shell is provided with a first air passage and an upper accommodating cavity, the upper accommodating cavity is provided with a lower end opening, the first air passage is provided with a first through hole and a second through hole, and the second through hole is communicated with a second sound outlet hole;

6. The three-tone cavity split-band horn module of claim 5, wherein: the upper end surface of the bottom plate part integrally extends upwards to form a second side wall, the first side wall surrounds the periphery of the second side wall, a fourth cavity with an opening at the upper end is formed between the inner wall of the second side wall and the upper end surface of the bottom plate part, and the fourth cavity is communicated with the second sound outlet hole;

7. The three-tone cavity split-band horn module of claim 3, wherein: the upper shell is provided with a second air passage, a third through hole and a fourth through hole, two ends of the second air passage are respectively communicated with the third through hole and the fourth through hole to form a third chamber, the third sound outlet area faces the third through hole, and the fourth through hole is communicated with a second sound outlet hole.

8. The three-tone cavity split-band horn module of claim 3, wherein: the upper shell comprises an upper cover body and an upper shell body detachably connected to the upper cover body, and the upper cover body and the upper shell body are assembled up and down to form a second cavity and/or a third cavity.

9. The three-tone cavity split-band horn module of claim 1, wherein: and a first damping part is covered on the upper side of the frame corresponding to the third sound outlet area, a second damping part is covered on the first sound outlet area, and a third damping part is covered on the second sound outlet area.

10. The three-tone cavity split-band horn module of claim 4, wherein: the bottom plate part is provided with air holes which vertically penetrate through the upper side and the lower side of the bottom plate part, and the fourth damping part is covered on the air holes.