CN204291318U - A kind of open earpiece - Google Patents
A kind of open earpiece Download PDFInfo
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- CN204291318U CN204291318U CN201420828790.8U CN201420828790U CN204291318U CN 204291318 U CN204291318 U CN 204291318U CN 201420828790 U CN201420828790 U CN 201420828790U CN 204291318 U CN204291318 U CN 204291318U
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- earphone
- guide tube
- back cover
- open
- open earpiece
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Abstract
The utility model provides a kind of open earpiece, the open nature of sound field, and long-time use not easily produces tired and not easily cause damage to people's ear hearing, especially have the bass performance of high-quality, and structure is gently little, easy to carry and use.Described open earpiece, comprise protecgulum, horn single body and back cover, earphone ante-chamber, earphone back cavity, protecgulum is provided with some phonate holes, loudspeaker mesopore through before and after horn single body has, back cover is also provided with sound guide tube, and the rear end of sound guide tube is communicated with earphone space outerpace, front end is plugged in loudspeaker mesopore and and, and this distance is greater than the maximum vibration displacement of vibrating diaphragm between vibrating diaphragm in a distance.The utility model open earpiece is at the open nature of the sound field himself had, long-time use not easily produces fatigue and basis not easily to advantages such as people's ear hearing cause damage has the performance of high-quality bass, and sound guide tube front end is inserted in loudspeaker mesopore, earphone back cavity volume can be reduced, make whole earphone light little portable.
Description
Technical field
The utility model relates to open earpiece.
Background technology
Along with the progress of science and technology, and various audio-visual broadcasting product is universal, and the requirement of people to sound quality is also more and more higher, correspondingly also more and more higher to the requirement of earphone tonequality.Be in particular in, except requiring that earphone has curling up except the tonequality performance of surrounding as high, medium and low well arranged and theater, even if also wish to use earphone for a long time, also can not produce sense of fatigue, not easily people's ear hearing being caused damage.
Current earphone is distinguished from structure, substantially can be divided into closed and open two kinds.Closed earphone, refers to and adopts the design of closed acoustical cavity, and the sound sent by individual earphones is enclosed in ear casing and in space between people's ear, contiguous people not easily hears the sound that earphone sends; Its advantage is, the sound sent by individual earphones focuses on duct mouth, enhances the effect of bass, but headphones sound too concentrates on head central authorities, not easily have the sensation that sound field curls up, long-time use simultaneously easily makes people produce fatigue, even damages the hearing of people.Relatively, open earpiece, be then that the sound sent by individual earphones can allow contiguous people hear partly, sound can not be concentrated in head central authorities, the open nature of sound field, and long-time use also not easily produces fatigue, but the bass of high-quality cannot be had to show.
In prior art, for making open start have the performance of good bass, generally cavity space after earphone being strengthened or adopting the horn single body that diameter is larger, earphone overall dimensions can be caused like this to strengthen, be unfavorable for the light-duty of earphone and small design.
Therefore, urgently design and a kind ofly have open earpiece that the is closed and advantage of open earpiece concurrently, at the open nature of its sound field, long-time use not easily produces fatigue and not easily on the hurtful basis of people's ear hearing, there is the bass performance of high-quality, and whole Headphone structure is gently little, easy to carry and use.
Summary of the invention
The utility model provides a kind of open earpiece, the open nature of sound field, and long-time use not easily produces tired and not easily cause damage to people's ear hearing, especially have the bass performance of high-quality, and structure is gently little, easy to carry and use.
For reaching the object solved the problems of the technologies described above, the utility model is achieved by the following technical solutions: a kind of open earpiece, comprise by the protecgulum arranged after forward direction, horn single body and back cover, protecgulum have some phonate holes, earphone ante-chamber is formed between protecgulum and horn single body, earphone back cavity is formed between horn single body and back cover, back cover is provided with the wire hole of drawing horn wire, horn single body has magnet part and is positioned at the vibrating diaphragm on front side of magnet part, the centre of magnet part has the through loudspeaker mesopore in front and back, described back cover is also provided with the sound guide tube being positioned at earphone inside, the rear end of described sound guide tube is communicated with earphone space outerpace, front end to be plugged in described loudspeaker mesopore and and between described vibrating diaphragm in a distance, and this distance is greater than the maximum vibration displacement of described vibrating diaphragm.
Compared with prior art, the utility model open earpiece, itself there is the open nature of sound field, long-time use not easily produces fatigue and not easily to the hurtful advantage of people's ear hearing, simultaneously by arranging sound guide tube on earphone back cover, the back of the body ripple of horn single body action can be concentrated and reach the effect that people's ear duct mouth reaches compensation bass, enable open earpiece have the bass performance of high-quality; In addition, sound guide tube has certain length and caliber, can will carry on the back rapidly ripple in appropriate amount and discharge people's ear, and have the effect of airflow balancing, also can improve long-time use further and not easily produce tired effect; Moreover, because sound guide tube front end is directly inserted in the mesopore of horn single body, the volume of earphone back cavity can be reduced, make whole Headphone structure gently little, can be used as Portable earphone.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment open earpiece;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
Fig. 3 is the decomposition chart of Fig. 1;
Fig. 4 is the back cover structure schematic diagram of earphone in the utility model embodiment;
Fig. 5 is for adopting frequency response curve (shown in the dotted line) comparison diagram of the utility model embodiment open earpiece actual measurement frequency response curve (shown in solid line) and existing common open earpiece.
Embodiment
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is described in further detail.
Referring to figs. 1 through Fig. 4, a kind of open earpiece, comprise by the protecgulum 1 arranged after forward direction, horn single body 2 and back cover 3, protecgulum 1 is provided with some phonate holes 1.1, percent opening is about 40%-60%, and be formed with earphone ante-chamber 4 between protecgulum 1 and horn single body 2, be formed with earphone back cavity 5 between horn single body 2 and back cover 3.Same prior art, is connected by sealing ring 7 between back cover 3 with horn single body 2, protecgulum 1 covers the adjustable sponge of one deck damping 6, and ear muff 8 knitted by cloth sponge 6 being wrapped up one deck softness, to protect people's ear hearing and to improve wearing comfort; Back cover 3 is provided with the wire hole 3.1 for drawing horn wire, is provided with hermetically-sealed construction, such as fluid sealant or sealing ring etc. in the gap between wire hole 3.1 and horn wire, to make wire hole 3.1 seal, prevents sound from revealing thus; Horn single body 2 has magnet part 2.1 and is positioned at the vibrating diaphragm 2.2 of magnet part 2.1 front end, the centre of magnet part 2.1 has loudspeaker mesopore 2.3, loudspeaker mesopore 2.3 front and back in magnet part 2.1 are through, namely its front end is communicated with the loudspeaker ante-chamber of horn single body 2 that (loudspeaker ante-chamber herein refers to trumpet, the space be divided into horn basin rack, magnet below vibrating diaphragm), rear end is communicated with earphone back cavity 5.For improving the bass expression effect of open earpiece, on back cover 3, sound guide tube 3.2 is also provided with in the present embodiment, sound guide tube 3.2 is positioned at earphone inside, its rear end is communicated with the space outerpace of earphone, front end is plugged in loudspeaker mesopore 2.3, and between front end and vibrating diaphragm 2.2 in a distance, namely front end is positioned at the inside of loudspeaker mesopore 2.3, be not piercing in loudspeaker mesopore 2.3, this distance should be greater than the maximum vibration displacement of vibrating diaphragm 2.2 simultaneously, touches vibrating diaphragm 2.2 cause vibrating diaphragm 2.2 to damage to prevent vibrating diaphragm 2.2 front end of sound guide tube 3.2 when maximum vibration displacement.
Adopt the present embodiment open earpiece, by arranging sound guide tube 3.2 on back cover 3, the back of the body ripple of horn single body 2 action can be concentrated and reach the effect that people's ear duct mouth reaches compensation bass, with the bass performance enabling open earpiece have high-quality, as can be seen from Fig. 5 the utility model embodiment open earpiece actual measurement frequency response curve (shown in solid line) with frequency response curve (shown in the dotted line) comparison diagram of existing common open earpiece, the present embodiment open earpiece compares the bass performance that existing common open earpiece has high-quality; In addition, sound guide tube 3.2 has certain length and caliber, can will carry on the back rapidly ripple in appropriate amount and discharge people's ear, and have the effect of airflow balancing, also can improve long-time use further and not easily produce tired effect; Moreover, because sound guide tube 3.2 front end is directly inserted in loudspeaker mesopore 2.3, the volume of earphone back cavity 5 can be reduced, make whole Headphone structure gently little, can be used as Portable earphone, avoid the problem that open earpiece in prior art is increased by cavity space after increasing earphone and adopt the larger horn single body of diameter to compensate earphone overall dimensions that bass causes.
For ease of processing, the rear end of sound guide tube 3.2 is positioned at the centre of back cover 3, arranges with loudspeaker mesopore 2.3 is concentric.Sound guide tube 3.2 can be straight tube or bend pipe, and only need ensure that its front end is inserted in loudspeaker mesopore 2.3, certainly, sound guide tube 3.2 should be preferably straight tube, to facilitate processing, and saves the space of earphone back cavity 5.
Particularly, the front end of sound guide tube 3.2 and the spacing of vibrating diaphragm 2.2 are advisable with 2mm-4mm.
Particularly, the diameter of loudspeaker mesopore 2.3 is advisable with 3mm-8mm, the external diameter of sound guide tube 3.1 can within the scope of 2mm-6mm value, length can be 5mm-20mm.
Further, back cover 3 is also provided with sound regulating hole 3.3, sound regulating hole 3.3 can be pasted the tuning material of different damping according to the requirement of different tonequality, such as tuning screen cloth or adjustable sound paper, sound regulating hole 3.3 is covered by tuning material, improve earphone in the frequency response of some frequency range and level of distortion, the diameter of sound regulating hole 3.3 is advisable with 4mm-5mm.
For ease of processing, make left and right earphone frequency response consistent, in the present embodiment, sound regulating hole 3.3 quantity is two, with the center of back cover 3 for basic point is symmetrical arranged simultaneously.
Above embodiment only in order to the technical solution of the utility model to be described, but not is limited; Although be described in detail the utility model with reference to previous embodiment, for the person of ordinary skill of the art, still the technical scheme described in previous embodiment can be modified, or equivalent replacement has been carried out to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model technical scheme required for protection.
Claims (10)
1. an open earpiece, comprise by the protecgulum arranged after forward direction, horn single body and back cover, protecgulum have some phonate holes, earphone ante-chamber is formed between protecgulum and horn single body, earphone back cavity is formed between horn single body and back cover, back cover is provided with the wire hole of drawing horn wire, horn single body has magnet part and is positioned at the vibrating diaphragm on front side of magnet part, the centre of magnet part has the through loudspeaker mesopore in front and back, it is characterized in that: described back cover is also provided with the sound guide tube being positioned at earphone inside, the rear end of described sound guide tube is communicated with earphone space outerpace, front end to be plugged in described loudspeaker mesopore and and between described vibrating diaphragm in a distance, and this distance is greater than the maximum vibration displacement of described vibrating diaphragm.
2. open earpiece according to claim 1, is characterized in that: the rear end of described sound guide tube is positioned at the centre of described back cover, arranges with described loudspeaker mesopore is concentric.
3. open earpiece according to claim 2, is characterized in that: described sound guide tube is straight tube.
4. open earpiece according to claim 1, is characterized in that: the front end of described sound guide tube and the spacing of described vibrating diaphragm are 2mm-4mm.
5. open earpiece according to any one of claim 1 to 4, is characterized in that: the diameter of described loudspeaker mesopore is 3mm-8mm, and the external diameter of described sound guide tube is 2mm-6mm, and length is 5mm-20mm.
6. open earpiece according to claim 5, is characterized in that: described back cover is also provided with sound regulating hole, described sound regulating hole is coated with tuning material.
7. open earpiece according to claim 6, is characterized in that: described sound regulating hole quantity is two, with the center of described back cover for basic point is symmetrical arranged.
8. open earpiece according to claim 6, is characterized in that: described tuning material is tuning screen cloth or adjustable sound paper.
9. open earpiece according to claim 6, is characterized in that: the diameter of described sound regulating hole is 4mm-5mm.
10. open earpiece according to claim 1, is characterized in that: described wire hole and be provided with hermetically-sealed construction by the gap between the horn wire of drawing in it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420828790.8U CN204291318U (en) | 2014-12-24 | 2014-12-24 | A kind of open earpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420828790.8U CN204291318U (en) | 2014-12-24 | 2014-12-24 | A kind of open earpiece |
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| Publication Number | Publication Date |
|---|---|
| CN204291318U true CN204291318U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420828790.8U Active CN204291318U (en) | 2014-12-24 | 2014-12-24 | A kind of open earpiece |
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| Country | Link |
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| CN (1) | CN204291318U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581483A (en) * | 2014-12-24 | 2015-04-29 | 青岛歌尔声学科技有限公司 | Open type earphone |
| CN112788459A (en) * | 2019-11-01 | 2021-05-11 | 易音特电子株式会社 | Receiver module integrated with a pipe |
-
2014
- 2014-12-24 CN CN201420828790.8U patent/CN204291318U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581483A (en) * | 2014-12-24 | 2015-04-29 | 青岛歌尔声学科技有限公司 | Open type earphone |
| WO2016101830A1 (en) * | 2014-12-24 | 2016-06-30 | 青岛歌尔声学科技有限公司 | Open headphone |
| US10264342B2 (en) | 2014-12-24 | 2019-04-16 | Qingdao Goertek Technology Co., Ltd. | Open headphone |
| CN112788459A (en) * | 2019-11-01 | 2021-05-11 | 易音特电子株式会社 | Receiver module integrated with a pipe |
| CN112788459B (en) * | 2019-11-01 | 2023-07-21 | 易音特电子株式会社 | Receiver module integrated with a pipe |
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| GR01 | Patent grant |