CN207266241U - A kind of active noise reduction earphone - Google Patents
A kind of active noise reduction earphone Download PDFInfo
- Publication number
- CN207266241U CN207266241U CN201721266349.5U CN201721266349U CN207266241U CN 207266241 U CN207266241 U CN 207266241U CN 201721266349 U CN201721266349 U CN 201721266349U CN 207266241 U CN207266241 U CN 207266241U
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- noise reduction
- pad group
- loudspeaker
- earphone
- operatic tunes
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Abstract
The utility model discloses a kind of active noise reduction earphone, it is related to ear speaker device technical field, including ear casing, loudspeaker, the first noise reduction microphone, the second noise reduction microphone and sound mouth are installed in the ear casing, the loudspeaker, first noise reduction microphone and the second noise reduction Mike are connected by Multi-core wire with line traffic control unit, it is characterized in that：The loudspeaker is equipped with the first pad group being electrically connected with voicefrequency circuit, the active noise reduction earphone is additionally provided with the second pad group and the 3rd pad group of mutual short circuit, pad of each core of the Multi-core wire respectively with the first pad group and the 3rd pad group is electrically connected, the second pad group is electrically connected by conducting wire with first noise reduction microphone, a kind of active noise reduction earphone of the utility model can simplify the connection of internal wiring, avoid reserved long conducting wire and cause wire rod processing difficulties；At the same time can and crowded line difficult to avoid cabling the problem of.
Description
Technical field
Ear speaker device technical field is the utility model is related to, more particularly to a kind of active noise reduction earphone for optimizing wiring.
Background technology
The species of active noise reduction earphone is more and more currently on the market, and most of earphone is all employed to be arranged in earphone back cavity
Noise reduction microphone realizes the mode of active noise reduction function, and new noise cancelling headphone can be respectively arranged noise reduction by chamber before and after earphone
Microphone, to realize more preferable noise reduction.
Since chamber is separated by loudspeaker before and after earphone, microphone is respectively arranged in loudspeaker both sides, conducting wire must be disposed with
Certain test, the conducting wire of conventional earphone can be introduced directly into earphone back cavity, be welded with loudspeaker, noise reduction microphone, and this
New noise cancelling headphone introduces earphone ante-chamber, it is necessary to reserve the longer conducting wire of two length, is welded with the noise reduction microphone of ante-chamber,
Conductor length is long to cause fair line difficult, and conducting wire is difficult to arrange in earphone back cavity cabling, and ear casing is fastened with horn hood
The problems such as Shi Rongyi occurs to squeeze line.
Utility model content
For disadvantages described above, technical problem to be solved in the utility model is to provide a kind of active noise reduction earphone, this reality
It can simplify back panel wiring with a kind of new active noise reduction earphone, avoid reserved long conducting wire and cause wire rod processing tired
It is difficult；At the same time can and crowded line difficult to avoid cabling the problem of, improve the convenience and earphone packaging efficiency of wiring.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of active noise reduction earphone, including ear casing, loudspeaker is provided with the ear casing, and the loudspeaker will be whole
Earphone inner cavity is divided into the preceding operatic tunes and the rear operatic tunes, the first noise reduction microphone is equipped with the preceding operatic tunes, positioned at the ear of the preceding operatic tunes
Casing is equipped with sound mouth, is equipped with the second noise reduction microphone after described in the operatic tunes, the loudspeaker, first noise reduction microphone with
And the second noise reduction Mike is connected by Multi-core wire with line traffic control unit, the loudspeaker is equipped with and is electrically connected with voicefrequency circuit
The the first pad group connect, the active noise reduction earphone is additionally provided with the second pad group and the 3rd pad group of mutual short circuit, described more
Pad of each core of core wire respectively with the first pad group and the 3rd pad group is electrically connected, the second pad group
It is electrically connected by conducting wire with first noise reduction microphone.
Wherein, the inner wall of the ear casing is equipped with wire casing, and the conductor laying is in the wire casing.
Wherein, the preceding operatic tunes inner wall is equipped with mounting groove, the mounting groove and the line at the port of the sound mouth
Groove communicates, and first noise reduction microphone is installed in the mounting groove.
Wherein, the sound mouth is located at the port of the preceding operatic tunes and is set towards the loudspeaker.
Wherein, the ear casing, which is equipped with, is used for the breasting face that the loudspeaker is placed.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are：
Since the utility model active noise reduction earphone includes ear casing, loudspeaker, the first noise reduction wheat are installed in ear casing
Gram wind, the second noise reduction microphone and sound mouth, loudspeaker, the first noise reduction microphone and the second noise reduction Mike pass through split conductor
Material is connected with line traffic control unit, and loudspeaker is equipped with the first pad group being electrically connected with voicefrequency circuit, and active noise reduction earphone is additionally provided with
Second pad group of mutual short circuit and the 3rd pad group, each core of Multi-core wire respectively with the first pad group and the 3rd pad group
Pad be electrically connected, the second pad group is electrically connected by conducting wire with the first noise reduction microphone, and the first noise reduction microphone passes through installation
The second pad group on a speaker is realized with the 3rd pad group and transferred, and thus is avoided that reserved long conducting wire, is caused wire rod to add
Work is difficult；At the same time extra setting card wire structure and shell can be needed in earphone back cavity interior cabling difficulty to avoid conducting wire is long
Easily there is the problem of squeezing line when fastening in lid, ear casing, and improve the convenience and earphone packaging efficiency of wiring.
Since preceding operatic tunes inner wall is equipped with the mounting groove for being used for the first noise reduction microphone and installing, installation at the port of sound mouth
Groove is communicated with wire casing, ambient noise entered by sound mouth before in the operatic tunes, the first noise reduction microphone can be close to the installation of sound mouth
Reaction is contacted in the first time that noise enters, improves the effect of noise reduction.First noise reduction microphone is installed on mounting groove
The interior space that can save the preceding operatic tunes.
Since the inner wall of ear casing is equipped with wire casing, conductor laying is in wire casing, so that earphone overall routing is more
It is reasonable, avoid before wire disk is entangled in the operatic tunes so as to touch the vibrating diaphragm end of loudspeaker and influencing the normal of loudspeaker makes
With.
In conclusion a kind of active noise reduction earphone of the utility model solve in the prior art active noise reduction earphone wiring it is numerous
Technical problem more than trivial and subsequent parts installation question, a kind of active noise reduction earphone of the utility model can simplify inside and connect
Line, avoids reserved long conducting wire and causes wire rod processing difficulties；At the same time can and crowded line difficult to avoid cabling the problem of,
Improve the convenience of wiring and the efficiency of earphone assembling.
Brief description of the drawings
Fig. 1 is the utility model active noise reduction earphone circuit connection diagram；
Fig. 2 is the structure diagram of the utility model active noise reduction earphone；
Fig. 3 is structure diagram of the utility model active noise reduction earphone without shell cover；
Fig. 4 is the structure diagram of ear casing in Fig. 3；
In figure：1- ear casings, 2- loudspeakers, 3- Multi-core wires, 4- shell covers, the operatic tunes before 10-, the operatic tunes after 11-, 12- first
Noise reduction microphone, the second noise reduction microphones of 13-, 14- sound mouths, 15- wire casings, 16- mounting grooves, 17- breastings face, 18- Air Filters,
20- the first pad groups, 21- the second pad groups, the 3rd pad groups of 22-, 23- conducting wires.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.
The orientation when orientation arrived involved in this specification is worked normally with a kind of active noise reduction earphone of the utility model
Subject to, orientation when its storage and transport is not limited, is only represented opposite position relationship, is not represented absolute position relationship.
As Fig. 1 and Fig. 2 are jointly shown, a kind of active noise reduction earphone, including ear casing 1, the upper end of ear casing 1 are connected with shell
Lid 4, loudspeaker 2 is provided with ear casing 1, and ear casing inner wall is equipped with loudspeaker with suitable boss, and boss, which is equipped with, to be used to raise
Whole earphone inner cavity is divided into the preceding operatic tunes 10 and the rear operatic tunes 11, the vibrating diaphragm of loudspeaker 2 by the breasting face 17 that sound device 2 is placed, loudspeaker 2
In the preceding operatic tunes 10, the terminals of loudspeaker are located in the rear operatic tunes 11 at end, and the first noise reduction microphone 12 is equipped with the preceding operatic tunes 10,
Sound mouth 14 is equipped with positioned at the ear casing 1 of the preceding operatic tunes 10, sound mouth 14 is the sound mouth of loudspeaker, i.e., the sound that loudspeaker 2 is sent
Passed to by sound mouth 14 outside earphone, the external port of sound mouth 14 is provided with Air Filter 18, and the second noise reduction Mike is equipped with the rear operatic tunes 11
Wind 13, the second noise reduction microphone 13 are installed in shell cover 4；Loudspeaker 2, the first noise reduction microphone 12 and the second noise reduction microphone
13 are connected by Multi-core wire 3 with line traffic control unit, and loudspeaker 2 is equipped with the first pad group 20 being electrically connected with voicefrequency circuit,
Active noise reduction earphone is additionally provided with the second pad group 21 and the 3rd pad group 22 of mutual short circuit, the first pad group 20, the second pad
The 21, the 3rd pad group 22 of group is located on the terminals of loudspeaker 2, the first pad group 20 and the second pad group 21, the 3rd pad group
22 connect without circuit, and the pad of each core of Multi-core wire 3 respectively with the first pad group 20 and the 3rd pad group 22 is electrically connected,
Second pad group 21 is electrically connected by conducting wire 23 with the first noise reduction microphone 12.First noise reduction microphone 12, the second noise reduction Mike
Wind 13 is used to reduce the noise for entering the preceding operatic tunes 10 by sound mouth 14, and the wiring of 2 and first noise reduction microphone 12 of loudspeaker is returned
Always on Multi-core wire 3, it is connected to by Multi-core wire 3 on line traffic control unit, the electricity of the second pad group 21 and the 3rd pad group 22
Short out to connect, the first noise reduction microphone 12 is realized by the second pad group 21 on loudspeaker 2 and the 3rd pad group 22 to be turned
Connect, thus be avoided that reserved long conducting wire, cause difficult wiring；At the same time can be long difficult in earphone inner cavity cabling to avoid conducting wire
And easily occur the problem of squeezing line, improving wiring when needing extra setting card wire structure and shell cover 4, ear casing 1 to fasten
Convenience and the efficiency of installation, before earphone assembling, loudspeaker 2 can be pre- by conducting wire 23 with the first noise reduction microphone 12
First connect, used as portion's dress element, so can be greatly enhanced installation effectiveness in follow-up earphone assembling.
As shown in figure 4, the inner wall of ear casing 1 is equipped with crossed beam trunking 15, conducting wire 23 is laid in wire casing 15, and be laid in wire casing
Conducting wire 23 in 15 realizes the fixation in wire casing 15 by dispensing, and the conducting wire 23 of the first noise reduction microphone 12 of connection passes through wire casing
15 enter in the rear operatic tunes 11, and are welded in the second pad group 21, and conducting wire 23 is installed in wire casing 15 so that earphone is overall
Wiring is more reasonable, avoids 23 travelling expenses of conducting wire in the preceding operatic tunes 10 so as to touching the vibrating diaphragm end of loudspeaker 2 and influence to raise
The normal use of sound device 2.
As shown in Fig. 3 and 4 is common, preceding 10 inner wall of the operatic tunes is equipped with mounting groove 16, mounting groove 16 at the port of sound mouth 14
Communicated with wire casing 15, the first noise reduction microphone 12 is installed in mounting groove 16, since the first noise reduction microphone 12 is logical for reducing
The noise in the operatic tunes before sound mouth 14 travels to is crossed, so the first noise reduction microphone 12 is closer to the port of sound mouth 14, its noise reduction effect
Fruit is more obvious, the operatic tunes 10 before ambient noise is entered by sound mouth 14, and the first noise reduction microphone 12 can be with close to the installation of sound mouth 14
Reaction is contacted within the first time that noise enters, improves the effect of noise reduction；On the other hand the first noise reduction microphone 12
Space before being saved in mounting groove inside the operatic tunes 10.
As shown in figure 3, the port that sound mouth 14 is located at the preceding operatic tunes 10 is set towards loudspeaker 2, voice transmission is ensured with this
Quality.
The utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art visualize from above-mentioned
Hair, without performing creative labour, a variety of conversion made, all fall within the scope of protection of the utility model.
Claims (5)
1. a kind of active noise reduction earphone, including ear casing, loudspeaker is installed in the ear casing, the loudspeaker is by whole ear
Machine inner cavity is divided into the preceding operatic tunes and the rear operatic tunes, the first noise reduction microphone is equipped with the preceding operatic tunes, positioned at the earphone of the preceding operatic tunes
Shell is equipped with sound mouth, is equipped with the second noise reduction microphone after described in the operatic tunes, the loudspeaker, first noise reduction microphone and
The second noise reduction Mike is connected by Multi-core wire with line traffic control unit, it is characterized in that：The loudspeaker is equipped with and audio
The first pad group that circuit is electrically connected, the active noise reduction earphone are additionally provided with the second pad group and the 3rd pad of mutual short circuit
Group, the pad of each core of the Multi-core wire respectively with the first pad group and the 3rd pad group is electrically connected, described
Second pad group is electrically connected by conducting wire with first noise reduction microphone.
2. a kind of active noise reduction earphone as claimed in claim 1, it is characterized in that：The inner wall of the ear casing is equipped with wire casing,
The conductor laying is in the wire casing.
3. a kind of active noise reduction earphone as claimed in claim 2, it is characterized in that：The preceding operatic tunes inner wall is close to the sound mouth
Mounting groove is equipped with port, the mounting groove is communicated with the wire casing, and first noise reduction microphone is installed on the mounting groove
It is interior.
4. a kind of active noise reduction earphone as described in claims 1 to 3 any claim, it is characterized in that：The sound mouth is located at
The port of the preceding operatic tunes is set towards the loudspeaker.
5. a kind of active noise reduction earphone as claimed in claim 4, it is characterized in that：The ear casing, which is equipped with, is used for described raise one's voice
The breasting face that device is placed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266349.5U CN207266241U (en) | 2017-09-29 | 2017-09-29 | A kind of active noise reduction earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266349.5U CN207266241U (en) | 2017-09-29 | 2017-09-29 | A kind of active noise reduction earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207266241U true CN207266241U (en) | 2018-04-20 |
Family
ID=61918314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721266349.5U Active CN207266241U (en) | 2017-09-29 | 2017-09-29 | A kind of active noise reduction earphone |
Country Status (1)
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| CN (1) | CN207266241U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417196A (en) * | 2018-05-30 | 2018-08-17 | 深圳市科奈信科技有限公司 | A kind of In-Ear active noise reduction earphone |
| CN109495809A (en) * | 2019-01-05 | 2019-03-19 | 深圳市韶音科技有限公司 | Osteoacusis loudspeaker arrangement |
| CN113545104A (en) * | 2019-03-05 | 2021-10-22 | 伯斯有限公司 | Placement of multiple feedforward microphones in an Active Noise Reduction (ANR) system |
| US11906817B2 (en) | 2018-08-24 | 2024-02-20 | Shenzhen Shokz Co., Ltd. | Eyeglasses |
-
2017
- 2017-09-29 CN CN201721266349.5U patent/CN207266241U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417196A (en) * | 2018-05-30 | 2018-08-17 | 深圳市科奈信科技有限公司 | A kind of In-Ear active noise reduction earphone |
| US11906817B2 (en) | 2018-08-24 | 2024-02-20 | Shenzhen Shokz Co., Ltd. | Eyeglasses |
| US11940669B2 (en) | 2018-08-24 | 2024-03-26 | Shenzhen Shokz Co., Ltd. | Glasses |
| US11940670B2 (en) | 2018-08-24 | 2024-03-26 | Shenzhen Shokz Co., Ltd. | Eyeglasses |
| US11977275B2 (en) | 2018-08-24 | 2024-05-07 | Shenzhen Shokz Co., Ltd. | Glasses |
| CN109495809A (en) * | 2019-01-05 | 2019-03-19 | 深圳市韶音科技有限公司 | Osteoacusis loudspeaker arrangement |
| CN109495809B (en) * | 2019-01-05 | 2024-01-26 | 深圳市韶音科技有限公司 | Bone conduction loudspeaker |
| CN113545104A (en) * | 2019-03-05 | 2021-10-22 | 伯斯有限公司 | Placement of multiple feedforward microphones in an Active Noise Reduction (ANR) system |
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