CN206350127U - Earphone with double rear operatic tunes - Google Patents
Earphone with double rear operatic tunes Download PDFInfo
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- CN206350127U CN206350127U CN201621453507.3U CN201621453507U CN206350127U CN 206350127 U CN206350127 U CN 206350127U CN 201621453507 U CN201621453507 U CN 201621453507U CN 206350127 U CN206350127 U CN 206350127U
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- 238000004519 manufacturing process Methods 0.000 claims description 25
- 230000001755 vocal effect Effects 0.000 claims description 17
- 230000009977 dual effect Effects 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a kind of earphone with double rear operatic tunes, including shell, bonnet, low frequency phonation unit and diameter are more than the high frequency phonation unit of low frequency phonation unit, shell is interlocked to form the cavity with outlet sound mouth with bonnet, low frequency phonation unit is arranged in cavity with high frequency phonation unit, high frequency phonation unit is combined with low frequency phonation unit, and the edge of low frequency phonation unit is fixedly connected with the inwall of shell, cavity is separated into the preceding operatic tunes and the rear operatic tunes by high frequency phonation unit jointly with low frequency phonation unit, the hollow rear operatic tunes is connected between low frequency phonation unit and bonnet and separates cylinder, the operatic tunes separates cylinder afterwards, the space that bonnet and low frequency phonation unit are surrounded is phonon chamber after first, space in the rear operatic tunes in addition to phonon chamber after first is phonon chamber after second.The earphone with double rear operatic tunes provided using the utility model, the high frequency audio and low frequency audio of the operatic tunes after regulation that can be independent.
Description
Technical Field
The utility model relates to an earphone technical field, more specifically relates to an earphone with two back vocal chambeies.
Background
Currently, earphones are commonly used for MP3 walkman, mobile phone, Personal Digital Assistant (PDA) or notebook computer, etc. for personal independent listening, so that earphones become one of the essential accessories for electronic products. Along with the continuous improvement of the requirement of people on the tone quality, the tone quality effect of the earphone is more and more emphasized by people. In the prior art, the earphone is generally only provided with a loudspeaker in a shell, and the frequency width and the tone quality of high and low frequencies cannot be considered.
To the above-mentioned problem, two loudspeaker earphones including high frequency loudspeaker and low frequency loudspeaker have appeared on the market, because two loudspeaker earphones can produce high frequency audio and low frequency audio simultaneously to it likes by the user to be prepared for. However, the existing double-horn earphone cannot independently adjust the high-frequency sound effect and the low-frequency sound effect of the rear sound cavity.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing an earphone with two back sound chambeies to solve the problem of the unable independent adjustment back sound chamber's of current two loudspeaker earphones high frequency audio and low frequency audio.
The utility model provides an earphone with two back vocal chambeies, include: the shell, the back lid, low frequency sound production unit and diameter are greater than low frequency sound production unit's high frequency sound production unit, the shell forms the cavity that has the sound outlet with back lid looks lock, low frequency sound production unit installs in the cavity with high frequency sound production unit, high frequency sound production unit combines together with low frequency sound production unit, and the edge of low frequency sound production unit and the inner wall fixed connection of shell, high frequency sound production unit separates preceding vocal cavity and back vocal cavity with the cavity jointly with low frequency sound production unit, it separates the cylinder to be connected with hollow back vocal cavity between low frequency sound production unit and back lid, the cylinder is separated to back vocal cavity, the space that back lid and low frequency sound production unit enclose is first back vocal cavity, the space except first back vocal cavity in the back vocal cavity is the second back vocal cavity.
In addition, the preferable structure is that a first limit step is arranged on the inner wall of the shell, and the edge of the low-frequency sounding unit is clamped with the first limit step; and the inner wall of the shell is connected with a fixing plate with the appearance matched with the high-frequency sound production unit, and the edge of the high-frequency sound production unit is fixedly connected with the fixing plate.
In addition, the preferable structure is that the low-frequency sound production unit comprises a low-frequency magnetic circuit system, and the low-frequency magnetic circuit system comprises a first magnetic conducting yoke, a first magnet positioned at the edge of the first magnetic conducting yoke, and a first washer fixedly connected to one side, far away from the first magnetic conducting yoke, of the first magnet; wherein, one side of the horizontal fixed part of the first magnetic yoke facing the back cover is fixedly connected with a first circuit board; the first magnet is fixedly connected to the other side of the horizontal fixing part of the first magnetic yoke; the edge of the first washer is clamped with the first limiting step.
In addition, it is preferable that the first circuit board is provided with a first pad, and the housing is provided with a wire inlet hole at a position corresponding to the second rear sound cavity.
In addition, the preferred structure is that the low-frequency sound production unit further comprises a low-frequency vibration system, the low-frequency vibration system comprises a first vibrating diaphragm and a first voice coil, the first vibrating diaphragm is fixedly connected between the longitudinal fixing portion of the first washer and the longitudinal fixing portion of the first guide magnet yoke, and the first voice coil is fixedly connected to one side, facing the horizontal fixing portion, of the first vibrating diaphragm.
In addition, the preferable structure is that the high-frequency sound production unit comprises a high-frequency magnetic circuit system, the high-frequency magnetic circuit system comprises a second magnetic conducting yoke, a second magnet fixedly connected to one side of the center position of the second magnetic conducting yoke and a second washer fixedly connected to one side of the second magnet far away from the second magnetic conducting yoke, a second circuit board is fixedly connected to the other side of the center position of the second magnetic conducting yoke, and a second welding disc is arranged on the second circuit board.
In addition, the preferable structure is that the high-frequency sound generating unit further comprises a high-frequency vibration system, and the high-frequency vibration system comprises a second vibrating diaphragm and a second voice coil fixed on one side of the second vibrating diaphragm; the edge of the second diaphragm is fixedly connected with the second magnetic conduction yoke, and the second voice coil is located in a magnetic gap between the second magnetic conduction yoke and the second magnet.
In addition, the preferable structure is that at least one sound leakage hole is respectively arranged on the rear cover corresponding to the first rear sound cavity and the second rear sound cavity.
In addition, it is preferable that an ear insertion rubber cover is provided at the sound outlet.
Compared with the prior art, the utility model has the advantages of, separate into the sound chamber after two independent first back sound chambeies and the sound chamber after the second, the sound hole of leaking of sound chamber all can independent adjustment self behind first back sound chamber and the second to the high frequency tone quality of the first back sound chamber of independent regulation and the low frequency tone quality of the sound chamber after the second, and each other do not influence.
Drawings
Other objects and results of the invention will be more apparent and readily appreciated by reference to the following description taken in conjunction with the accompanying drawings, and as the invention is more fully understood. In the drawings:
fig. 1 is a perspective sectional view of an earphone having dual rear acoustic cavities according to an embodiment of the present invention;
fig. 2 is a front view of fig. 1.
Wherein the reference numerals include: the speaker comprises a housing 1, a first limiting step 11, a fixing plate 12, a wire inlet 13, a rear cover 2, a sound leaking hole 21, a low-frequency sound generating unit 3, a first magnetic yoke 31, a first magnet 32, a first washer 33, a first vibrating diaphragm 34, a first voice coil 35, a first circuit board 36, a first bonding pad 37, a high-frequency sound generating unit 4, a second magnetic yoke 41, a second magnet 42, a second washer 43, a second vibrating diaphragm 44, a second voice coil 45, a second circuit board 46, a second bonding pad 47, a sound outlet 5, a rear sound cavity 6, a first rear sound cavity 61, a second rear sound cavity 62, a front sound cavity 7, a rear sound cavity separation cylinder 8 and an ear insertion rubber sleeve 9.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.
Fig. 1 and 2 show a three-dimensional sectional structure and a two-dimensional sectional structure of an earphone with a dual rear sound cavity according to an embodiment of the present invention.
As shown in fig. 1 and fig. 2 together, the embodiment of the present invention provides an earphone with two rear sound cavities, including: the device comprises a shell 1, a rear cover 2, a low-frequency sound production unit 3 and a high-frequency sound production unit 4; the rear cover 2 covers one end part of the shell 1 and forms a cavity with the shell 1 in an enclosing manner, the other end part of the shell 1 is a sound outlet 5, an ear rubber sleeve 9 is sleeved on the sound outlet 5, and the sound outlet 5 is a main sound output channel of the earphone; low frequency sound producing unit 3 and high frequency sound producing unit 4 are installed respectively in the cavity, and the diameter of low frequency sound producing unit 3 is greater than the diameter of high frequency sound producing unit 4, and low frequency sound producing unit 3 combines along the diametric mirror image of shell 1 in the cavity with high frequency sound producing unit 4 to make low frequency sound producing unit 3 and high frequency sound producing unit 4 separate back sound chamber 6 and preceding sound chamber 7 with the cavity jointly, in fig. 1 and fig. 2, what have sound outlet 5 is preceding sound chamber 7.
The utility model provides a shell 1 can be cylinder, square or cuboid corresponding to the part of back sound chamber 6, and low frequency sound producing unit 3's shape and 1 looks adaptations of shell, and what shell 1 showed in figure 1 is the cylinder, and low frequency sound producing unit 3 is ring shape.
Be provided with a hollow back phonon chamber in back phonon chamber 6 and separate cylinder 8, the one end and the back of back phonon chamber separation cylinder 8 cover 2 fixed connection, the other end and low frequency sound production unit 3 fixed connection, in back phonon chamber 6, back phonon chamber separation cylinder 8 and low frequency sound production unit 3, the space that back lid 2 encloses is first back phonon chamber 61, the space that removes first back phonon chamber 61 in back phonon chamber 6 is second back phonon chamber 62, first back phonon chamber 61 is the phonon chamber of mutual independence with second back phonon chamber 62, and sound chamber 62 is located the outside of first back phonon chamber 61 behind the second. At least one sound leakage hole 21 is respectively formed in the positions, corresponding to the first rear phonon cavity 61 and the second rear phonon cavity 62, of the rear cover 2, and the sound quality of the first rear phonon cavity 61 and the second rear phonon cavity 62 is adjusted by adjusting the size and the number of the sound leakage holes 21. Since the first rear phonon cavity 61 and the second rear phonon cavity 62 are independent acoustic cavities, the sound qualities of the first rear phonon cavity 61 and the second rear phonon cavity 62 are not affected each other when being adjusted.
The utility model discloses a cylinder 8 is separated to the hollow back phonon chamber that the back phonon chamber 6 set up and becomes independent first back phonon chamber 61 and second back phonon chamber 62 with back phonon chamber 6, and phonon chamber 61 can be the independent hole 21 that leaks of self of regulation separately after first back phonon chamber 61 and the second, realizes the independent regulation of phonon chamber 62 tone quality behind first back phonon chamber 61 and the second. The rear sound cavity separation cylinder 8 may be a cylinder or a prism, depending on the actual condition of the earphone.
In a preferred embodiment of the present invention, the rear sound cavity separation cylinder 8 and the rear cover 2 are integrally formed.
Be provided with first spacing step 11 on the inner wall of shell 1, the edge and the 11 looks block of first spacing step of low frequency sound generating unit 3 to can reachd, low frequency sound generating unit 3 is fixed with first spacing step 11 along the one end of vibration direction, and low frequency sound generating unit 3 is fixed with back sound chamber separation cylinder 8 along the other end of vibration direction, can keep the stability of low frequency sound generating unit 3 in the vibration process.
The inner wall of the shell 1 is further provided with a fixing plate 12 corresponding to the position of the high-frequency sound generating unit 4, the shape of the fixing plate 12 is matched with that of the high-frequency sound generating unit 4, the fixing plate is circular, the edge of the high-frequency sound generating unit 4 is fixed on the edge of the inner circle of the fixing plate 12, the edge of the outer circle of the fixing plate 12 is fixedly connected with the inner wall of the shell 1, and the fixing plate 12 is provided with a sound release hole 21.
In another preferred embodiment of the present invention, the fixing plate 12 is integrally formed with the housing 1.
Because the low-frequency sound generating unit 3 is annular, and the high-frequency sound generating unit 4 is arranged on a round hole in the middle of the low-frequency sound generating unit 3, the first rear phonon cavity 61 is equivalent to a rear sound cavity of the high-frequency sound generating unit 4, and is focused on the adjustment of high-frequency sound quality; the second rear sound cavity 62 corresponds to the rear sound cavity of the low-frequency sound generating unit 3, and is focused on the adjustment of the low-frequency sound quality.
The utility model provides a low frequency sound generating unit 3, including low frequency magnetic circuit and low frequency vibration system, wherein low frequency magnetic circuit includes: the magnetic yoke comprises a first magnetic yoke 31, a first magnet 32 positioned at the edge of the first magnetic yoke 31 and a first washer 33 fixedly connected to one side of the first magnet 32 far away from the first magnetic yoke 31; wherein, the first magnetic yoke 31 comprises a horizontal fixing part (not shown) and a longitudinal fixing part (not shown), and the front sound cavity separation cylinder 9 is fixedly connected with the longitudinal fixing part of the first magnetic yoke 31; a first circuit board 36 is arranged on one side of the horizontal fixing part facing the rear cover 2, the rear sound cavity separation column 8 is supported on the first circuit board 36, a first bonding pad 37 is arranged on the first circuit board 36, a wire inlet 13 is arranged on the shell 1 corresponding to the second rear sound sub cavity 62, and a lead is led to the first circuit board 36 from the wire inlet 13; the edge of the other side of the horizontal fixing part facing the rear cover 2 is fixedly connected with one side of the first magnet 32, the other side of the first magnet 32 is fixedly connected with one side of the first washer 33, and the other side of the first washer 33 is clamped with the first limiting step 11.
It should be noted that the first magnet 32 and the first washer 33 are respectively circular rings, and the combined longitudinal fixing portions of the first magnet 32, the first washer 33 and the first magnetic yoke 31 form a magnetic gap of the low-frequency magnetic circuit system.
The low-frequency vibration system comprises a first diaphragm 34 and a first voice coil 35 fixed on one side of the first diaphragm 34, wherein the first diaphragm 34 is of a circular ring structure, the inner circle edge of the first diaphragm 34 is fixedly connected with the longitudinal fixing part of the first magnetic yoke 31, the outer circle edge of the first diaphragm 34 is fixedly connected with the first washer 33, the first voice coil 35 is fixedly connected on one side of the first diaphragm 34 facing the horizontal fixing part of the first magnetic yoke 31, namely the first voice coil 35 is located in the magnetic gap of the low-frequency magnetic circuit system, and the first voice coil 35 cuts a magnetic induction line in the magnetic gap along with the vibration of the first diaphragm 34.
The utility model provides a high frequency sound production unit 4 includes high frequency magnetic circuit and high frequency vibration system, and wherein high frequency magnetic circuit includes: the second magnetic yoke 41, the second magnet 42 fixedly connected to one side of the center position of the second magnetic yoke 41, and the second washer 43 fixedly connected to one side of the second magnet 42 far from the second magnetic yoke 41, the second magnet 42 and the second washer 43 are accommodated in the second magnetic yoke 41, the edge of the second magnetic yoke 41 is fixedly connected with the fixing plate 12, the second circuit board 46 is fixedly connected to the other side of the center position of the second magnetic yoke 41, the second circuit board 46 is provided with a second bonding pad 47, and a magnetic gap of a high-frequency magnetic circuit system is formed between the second magnetic yoke 41 and the combined second magnet 42 and second washer 43.
The high-frequency vibration system comprises a second diaphragm 44, a second voice coil 45 fixed on one side of the second diaphragm 44 and a reinforcing part positioned at the center of the second diaphragm 44; the second diaphragm 44 includes a fixing portion (located at the outermost periphery of the second diaphragm 44), a corrugated portion of a concave/convex structure integrally disposed with the fixing portion, and a planar portion (located at the innermost portion of the second diaphragm 44) disposed inside the corrugated portion, the reinforcing portion is disposed on the planar portion of the second diaphragm 44, and is mainly used for adjusting the acoustic performance of the low-frequency sound generating unit 3, and in order to reduce the overall quality of the vibration system, a material removing portion is usually disposed at a position, corresponding to the reinforcing portion, of the planar portion of the second diaphragm 44, and the reinforcing portion covers the material taking position; the fixed part of the second diaphragm 44 is fixedly connected with the second magnetic yoke 41; the second voice coil 45 is coupled to a side of the second diaphragm 44 facing the second magnet 42, and the second voice coil 45 is located in a magnetic gap of the high-frequency magnetic circuit system, and the second voice coil 45 cuts a magnetic induction line in the magnetic gap along with the vibration of the second diaphragm 44.
The utility model discloses an among the concrete implementation, can set up the through-hole respectively on the central point of second magnetic yoke 41, second magnet 42 and second china 43 to make high frequency sound production unit 4 and first back phonon chamber 61 intercommunication, the through-hole of seting up acts as and leaks the sound hole.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. An earphone having dual rear acoustic cavities, comprising: the low-frequency sounding device comprises a shell, a rear cover, a low-frequency sounding unit and a high-frequency sounding unit, wherein the diameter of the high-frequency sounding unit is larger than that of the low-frequency sounding unit; it is characterized in that the preparation method is characterized in that,
high frequency sound producing unit with low frequency sound producing unit combines together, just low frequency sound producing unit's edge with the inner wall fixed connection of shell, high frequency sound producing unit with low frequency sound producing unit will jointly preceding vocal cavity and back vocal cavity are separated to the cavity low frequency sound producing unit with be connected with hollow back vocal cavity between the back lid and separate the cylinder, back vocal cavity separate the cylinder back the lid with the space that low frequency sound producing unit encloses is first back vocal cavity back vocal intracavity except space behind the first back vocal cavity is the second.
2. The earphone with dual rear acoustic cavities of claim 1,
a first limiting step is arranged on the inner wall of the shell, and the edge of the low-frequency sounding unit is clamped with the first limiting step; and the number of the first and second groups,
the inner wall of the shell is connected with a fixing plate, the shape of the fixing plate is matched with that of the high-frequency sound generating unit, and the edge of the high-frequency sound generating unit is fixedly connected with the fixing plate.
3. The earphone with dual rear acoustic cavities of claim 2,
the low-frequency sounding unit comprises a low-frequency magnetic circuit system, and the low-frequency magnetic circuit system comprises a first magnetic conducting yoke, a first magnet positioned at the edge of the first magnetic conducting yoke and a first washer fixedly connected to one side, far away from the first magnetic conducting yoke, of the first magnet; wherein,
a first circuit board is fixedly connected to one side, facing the rear cover, of the horizontal fixing part of the first magnetic yoke;
the first magnet is fixedly connected to the other side of the horizontal fixing part of the first magnetic yoke;
the edge of the first washer is clamped with the first limiting step.
4. The earphone with dual rear acoustic cavities of claim 3,
and a first bonding pad is arranged on the first circuit board, and a wire inlet hole is formed in the position, corresponding to the second rear sound cavity, on the shell.
5. The earphone with dual rear acoustic cavities of claim 3,
the low-frequency sound production unit further comprises a low-frequency vibration system, the low-frequency vibration system comprises a first vibrating diaphragm and a first voice coil, the first vibrating diaphragm is fixedly connected between the first washer and the longitudinal fixing portion of the first guide magnetic yoke, and the first voice coil is fixedly connected to the first vibrating diaphragm facing one side of the horizontal fixing portion.
6. The earphone with dual rear acoustic cavities of claim 3,
the high-frequency sounding unit comprises a high-frequency magnetic circuit system, the high-frequency magnetic circuit system comprises a second magnetic conduction yoke, a second magnet fixedly connected to one side of the center of the second magnetic conduction yoke and a second washer fixedly connected to one side of the second magnet far away from the second magnetic conduction yoke, a second circuit board is fixedly connected to the other side of the center of the second magnetic conduction yoke, and a second welding disc is arranged on the second circuit board.
7. The earphone with dual rear acoustic cavities of claim 6,
the high-frequency sound production unit further comprises a high-frequency vibration system, and the high-frequency vibration system comprises a second vibrating diaphragm and a second voice coil fixed on one side of the second vibrating diaphragm; the edge of the second diaphragm is fixedly connected with the second magnetic conduction yoke, and the second voice coil is located in a magnetic gap between the second magnetic conduction yoke and the second magnet.
8. The earphone with dual rear acoustic cavities according to any of claims 1-7,
and at least one sound leakage hole is respectively formed in the positions, corresponding to the first rear sound cavity and the second rear sound cavity, of the rear cover.
9. The earphone with dual rear acoustic cavities of claim 8,
an ear inlet rubber sleeve is arranged on the sound outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453507.3U CN206350127U (en) | 2016-12-27 | 2016-12-27 | Earphone with double rear operatic tunes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453507.3U CN206350127U (en) | 2016-12-27 | 2016-12-27 | Earphone with double rear operatic tunes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206350127U true CN206350127U (en) | 2017-07-21 |
Family
ID=59319309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621453507.3U Active CN206350127U (en) | 2016-12-27 | 2016-12-27 | Earphone with double rear operatic tunes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206350127U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114257919A (en) * | 2021-11-29 | 2022-03-29 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN115396762A (en) * | 2022-08-26 | 2022-11-25 | 歌尔股份有限公司 | Sound production module and electronic equipment |
-
2016
- 2016-12-27 CN CN201621453507.3U patent/CN206350127U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114257919A (en) * | 2021-11-29 | 2022-03-29 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN114257919B (en) * | 2021-11-29 | 2024-07-02 | 歌尔股份有限公司 | Sound producing device and electronic equipment |
| CN115396762A (en) * | 2022-08-26 | 2022-11-25 | 歌尔股份有限公司 | Sound production module and electronic equipment |
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