CN205017534U - Headset - Google Patents
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- CN205017534U CN205017534U CN201520771467.6U CN201520771467U CN205017534U CN 205017534 U CN205017534 U CN 205017534U CN 201520771467 U CN201520771467 U CN 201520771467U CN 205017534 U CN205017534 U CN 205017534U
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Abstract
The utility model provides a headset, including casing and the movable coil unit of setting in the casing, the movable coil unit separates the cavity of casing for ante -chamber and back cavity, is provided with the phonate hole on the casing, still including setting up the piezoelectric unit of intracavity in the front, the piezoelectric unit separates the ante -chamber for first ante -chamber and second ante -chamber, phonate hole and first ante -chamber intercommunication, connectivity structure with first ante -chamber of intercommunication and second ante -chamber. The utility model discloses a movable coil unit and piezoelectric unit cooperation form two unit headset, and the piezoelectric unit passes through the direct sound production of phonate hole, and the movable coil unit reaches first ante -chamber by connectivity structure with sound, and then reaches the phonate hole sound production to utilize movable coil unit and piezoelectric unit to adjust headset's high -frequency characteristic simultaneously, and the piezoelectric unit structure is fairly simple, and the cost is lower, so the utility model discloses can reduce the headset cost when improving headset high frequency audio frequency performance.
Description
Technical field
The utility model relates to technical field of electronic products, more particularly, relates to a kind of earphone.
Background technology
The moving-coil unit (i.e. moving-coil receiver) that conventional earphone uses, higher frequency response curve just there will be quick drop at 6k-9kHz, namely said high-frequency cut-off frequency.Due to the restriction of moving-coil receiver diaphragm materials and technique, high-frequency cut-off frequency is more difficult significantly to be promoted, and cannot meet the voice signal frequency range of the ultrabroad band of 4G communication need, its high-frequency cut-off frequency need reach 16kHz and more than.
In order to solve the problem, prior art adopts the two unit earphone of a kind of moving-coil+moving-iron type, although can lift portion high-frequency audio performance, dynamic iron phonation unit cost be higher, adds earphone cost.
In sum, how realizing, while raising earphone high-frequency audio performance, reducing earphone cost, is current those skilled in the art technical problems urgently to be resolved hurrily.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of earphone, to realize, while raising earphone high-frequency audio performance, reducing earphone cost.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of earphone, comprise housing and be arranged on the moving-coil unit in described housing, the cavity of described housing is divided into ante-chamber and back cavity by described moving-coil unit, and described housing is provided with phonate hole; Also comprise:
Be arranged on the piezoelectric unit in described ante-chamber, described ante-chamber is divided into the first ante-chamber and the second ante-chamber by described piezoelectric unit, and described phonate hole is communicated with described first ante-chamber;
Be communicated with the connectivity structure of described first ante-chamber and described second ante-chamber.
Preferably, in above-mentioned earphone, described piezoelectric unit is circular, and fits with housing.
Preferably, in above-mentioned earphone, described connectivity structure is the multiple sound penetrating holes be opened on described piezoelectric unit, and described sound penetrating hole is evenly arranged at the periphery of described piezoelectric unit.
Preferably, in above-mentioned earphone, described connectivity structure is the entrant sound passage offered on the housing.
Preferably, in above-mentioned earphone, described piezoelectric unit is annular, and the centre bore of described piezoelectric unit forms described connectivity structure.
Preferably, above-mentioned earphone also comprises the tuning net be arranged in described connectivity structure.
Preferably, in above-mentioned earphone, described housing is also provided be communicated with described second ante-chamber first let out acoustic aperture.
Preferably, in above-mentioned earphone, described housing is also provided be communicated with described back cavity second let out acoustic aperture.
Preferably, in above-mentioned earphone, described housing is also provided with the bassoon be communicated with described back cavity.
As can be seen from above-mentioned technical scheme, the earphone that the utility model provides comprises housing and is arranged on the moving-coil unit in housing, and the cavity of housing is divided into ante-chamber and back cavity by moving-coil unit, and housing is provided with phonate hole; Also comprise the piezoelectric unit be arranged in ante-chamber, ante-chamber is divided into the first ante-chamber and the second ante-chamber by piezoelectric unit, and phonate hole is communicated with the first ante-chamber; With the connectivity structure being communicated with the first ante-chamber and the second ante-chamber.
The utility model adopts moving-coil unit and piezoelectric unit to coordinate and forms two unit earphone, piezoelectric unit is by the direct sounding of phonate hole, sound is reached the first ante-chamber by connectivity structure by moving-coil unit, and then reach phonate hole sounding, thus utilize moving-coil unit and piezoelectric unit to adjust the high frequency performance of earphone simultaneously; And piezoelectric unit is relatively simple for structure, cost is lower, therefore the utility model while raising earphone high-frequency audio performance, can reduce earphone cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the earphone that the utility model embodiment provides.
Embodiment
The utility model embodiment provides a kind of earphone, while raising earphone high-frequency audio performance, can reduce earphone cost.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to accompanying drawing 1, the moving-coil unit 3 that the earphone that the utility model embodiment provides comprises housing 1 and is arranged in housing 1, the cavity of housing 1 is divided into ante-chamber and back cavity 15 by moving-coil unit 3, housing 1 is provided with phonate hole 11; Also comprise the piezoelectric unit 2 be arranged in ante-chamber, ante-chamber is divided into the first ante-chamber 12 and the second ante-chamber 14 by piezoelectric unit 2, and phonate hole 11 is communicated with the first ante-chamber 12; With the connectivity structure being communicated with the first ante-chamber 12 and the second ante-chamber 14.
It should be noted that, the ante-chamber of housing 1 is the cavity of the side near earplug; The i.e. piezoelectric buzzer of above-mentioned piezoelectric unit 2, has good high frequency performance, is made up of piezoelectric ceramic piece, the lead-in wire be connected with power supply and the resonator that formed by the second ante-chamber 14.
The utility model adopts moving-coil unit 3 and piezoelectric unit 2 to coordinate and forms two unit earphone, piezoelectric unit 2 is by phonate hole 11 directly sounding, sound is reached the first ante-chamber 12 by connectivity structure by moving-coil unit 3, and then reach phonate hole 11 sounding, thus utilize moving-coil unit 3 and piezoelectric unit 2 to adjust the high frequency performance of earphone simultaneously; And piezoelectric unit 2 is relatively simple for structure, and cost is lower, therefore the utility model while raising earphone high-frequency audio performance, can reduce earphone cost.
In addition, the utility model utilizes the second ante-chamber 14 simultaneously as the ante-chamber of moving-coil unit 3 and the back cavity 15 of piezoelectric unit 2, utilizes moving-coil unit 3 and piezoelectric unit 2 to carry out tonequality adjustment, saves space.
For the ease of processing and installation, preferably, piezoelectric unit 2 is circular, and fits with housing 1.
Further, in above-described embodiment, connectivity structure is the multiple sound penetrating holes 5 be opened on piezoelectric unit 2, and sound penetrating hole 5 is evenly arranged at the periphery of piezoelectric unit 2.As shown in Figure 1, sound is reached phonate hole 11 sounding by the sound penetrating hole 5 on piezoelectric unit 2 by the sound of moving-coil unit 3.This sound penetrating hole 5 can also be arranged on the centre position of piezoelectric unit 2.
In another specific embodiment of the utility model, connectivity structure is the entrant sound passage be opened on housing 1.Now need the position that housing 1 is relative with piezoelectric unit 2 to be arranged wall thickness is comparatively large, to avoid entrant sound passage to be in communication with the outside, avoid entrant sound passage too small simultaneously.
Interchangeable, above-mentioned piezoelectric unit 2 can also be other shapes, as shapes such as rectangle, hexagon or ellipses, concrete, when piezoelectric unit 2 is rectangle, has gap between piezoelectric unit 2 and housing 1 inwall, utilizes this gap to form connectivity structure.
The utility model is again in a specific embodiment, and piezoelectric unit 2 is annular, and the centre bore of piezoelectric unit 2 forms connectivity structure.The present embodiment directly adopts the piezoelectric unit 2 of annular, eliminates the process of processing connectivity structure, simplifies processing technology.
In order to optimize technique scheme further, earphone also comprises the tuning net be arranged in connectivity structure.This tuning net had both allowed passing through of moving-coil unit 3 low-frequency sound, the high frequency sound signal decay that piezoelectric unit 2 causes because of acoustic short circuit can be limited simultaneously, so the present embodiment can be adjusted by the tuning net on adjustment attachment connectivity structure simultaneously, earphone is low, high frequency performance, promotes each frequency range of earphone harmonious.
As shown in Figure 1, housing 1 is also provided be communicated with the second ante-chamber 14 first let out acoustic aperture 13.This first is let out before acoustic aperture 13 can be used as moving-coil unit 3 and lets out acoustic aperture, is used for adjustment low frequency curve.Let out acoustic aperture as after piezoelectric unit 2 simultaneously, be used for reducing acoustic resistance, promote high frequency curve.
Go out acoustic mass in order to what adjust earphone further, housing 1 is also provided be communicated with back cavity 15 second let out acoustic aperture 16.This second is let out acoustic aperture 16 and lets out acoustic aperture as after moving-coil unit 3, is used for reducing acoustic resistance, promotes high frequency curve.
Above-mentioned housing 1 is also provided with the bassoon 4 be communicated with back cavity 15, is used for adjusting earphone low frequency curve.Be understandable that, the utility model can not comprise above-mentioned first and let out acoustic aperture 13, second and let out acoustic aperture 16 and bassoon 4, also only can comprise one of them or two, be not specifically limited this.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. an earphone, comprise housing (1) and be arranged on the moving-coil unit (3) in described housing (1), the cavity of described housing (1) is divided into ante-chamber and back cavity (15) by described moving-coil unit (3), described housing (1) is provided with phonate hole (11); It is characterized in that, also comprise:
Be arranged on the piezoelectric unit (2) in described ante-chamber, described ante-chamber is divided into the first ante-chamber (12) and the second ante-chamber (14) by described piezoelectric unit (2), and described phonate hole (11) is communicated with described first ante-chamber (12);
Be communicated with the connectivity structure of described first ante-chamber (12) and described second ante-chamber (14).
2. earphone as claimed in claim 1, is characterized in that, described piezoelectric unit (2) is circular, and fits with housing (1).
3. earphone as claimed in claim 2, it is characterized in that, described connectivity structure is for being opened in the multiple sound penetrating holes (5) on described piezoelectric unit (2), and described sound penetrating hole (5) is evenly arranged at the periphery of described piezoelectric unit (2).
4. earphone as claimed in claim 2, it is characterized in that, described connectivity structure is for being opened in the entrant sound passage on described housing (1).
5. earphone as claimed in claim 1, is characterized in that, described piezoelectric unit (2) is annular, and the centre bore of described piezoelectric unit (2) forms described connectivity structure.
6. the earphone as described in any one of claim 1-5, is characterized in that, also comprises the tuning net be arranged in described connectivity structure.
7. earphone as claimed in claim 6, is characterized in that, described housing (1) is also provided be communicated with described second ante-chamber (14) first let out acoustic aperture (13).
8. earphone as claimed in claim 7, is characterized in that, described housing (1) is also provided be communicated with described back cavity (15) second let out acoustic aperture (16).
9. earphone as claimed in claim 8, is characterized in that, described housing (1) is also provided with the bassoon (4) be communicated with described back cavity (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520771467.6U CN205017534U (en) | 2015-09-30 | 2015-09-30 | Headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520771467.6U CN205017534U (en) | 2015-09-30 | 2015-09-30 | Headset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205017534U true CN205017534U (en) | 2016-02-03 |
Family
ID=55216115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520771467.6U Active CN205017534U (en) | 2015-09-30 | 2015-09-30 | Headset |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205017534U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105635883A (en) * | 2016-02-25 | 2016-06-01 | 歌尔声学股份有限公司 | Earphone |
| CN106231462A (en) * | 2016-08-08 | 2016-12-14 | 珠海声浪科技有限公司 | A kind of earphone |
| CN106851458A (en) * | 2017-03-07 | 2017-06-13 | 歌尔股份有限公司 | A kind of sound-producing device |
| CN107786918A (en) * | 2016-08-24 | 2018-03-09 | Lg电子株式会社 | Electronic installation |
| CN113016194A (en) * | 2021-02-20 | 2021-06-22 | 英华达（上海）科技有限公司 | Earphone, earphone control method and system |
| WO2022105684A1 (en) * | 2020-11-18 | 2022-05-27 | 维沃移动通信有限公司 | Electronic device |
-
2015
- 2015-09-30 CN CN201520771467.6U patent/CN205017534U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105635883A (en) * | 2016-02-25 | 2016-06-01 | 歌尔声学股份有限公司 | Earphone |
| CN106231462A (en) * | 2016-08-08 | 2016-12-14 | 珠海声浪科技有限公司 | A kind of earphone |
| CN107786918A (en) * | 2016-08-24 | 2018-03-09 | Lg电子株式会社 | Electronic installation |
| CN106851458A (en) * | 2017-03-07 | 2017-06-13 | 歌尔股份有限公司 | A kind of sound-producing device |
| CN106851458B (en) * | 2017-03-07 | 2023-08-04 | 歌尔股份有限公司 | Sounding device |
| WO2022105684A1 (en) * | 2020-11-18 | 2022-05-27 | 维沃移动通信有限公司 | Electronic device |
| CN113016194A (en) * | 2021-02-20 | 2021-06-22 | 英华达（上海）科技有限公司 | Earphone, earphone control method and system |
| CN113016194B (en) * | 2021-02-20 | 2022-03-04 | 英华达（上海）科技有限公司 | Earphone, earphone control method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |