CN104168526A - Electric-acoustic device with movable passive radiator - Google Patents
Electric-acoustic device with movable passive radiator Download PDFInfo
- Publication number
- CN104168526A CN104168526A CN201410372051.7A CN201410372051A CN104168526A CN 104168526 A CN104168526 A CN 104168526A CN 201410372051 A CN201410372051 A CN 201410372051A CN 104168526 A CN104168526 A CN 104168526A
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- China
- Prior art keywords
- passive radiator
- housing
- electroacoustic device
- enclosing cover
- movable
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Abstract
The invention relates to an electric-acoustic device with a movable passive radiator. The electric-acoustic device comprises a shell, a single body arranged in the shell and the passive radiator. The shell is provided with a slot and a first sound hole. The single body and the shell commonly define a front cavity facing the first sound hole and a back cavity opposite to the front cavity. The passive radiator is movably arranged in the back cavity in the shell. By means of the design of a specific structure, the passive radiator can be movably adjusted towards the single body or away from the single body, or the passive radiator moves between an inserting position in the back cavity and a departing position outside the back cavity through the slot. Thus, a user or an original factory can easily adjust the position of the movable radiator, or the passive radiator is moved to the departing position from the original inserting position so that the passive radiator or parts in the passive radiator can be replaced, and the whole replacing process is relatively simple and convenient to conduct.
Description
Technical field
System of the present invention is relevant with the defined loud speaker of international classification number H04R, particularly refers to a kind of loud speaker, and it can conveniently adjust or change the passive radiator that is disposed at inside loudspeakers.
Background technology
Passive radiator is called again passive type vibrating diaphragm, and it is normally co-located in the audio amplifier of electroacoustic device of for example sound equipment with monomer, and allows monomer and passive type vibrating diaphragm share back of the body chamber.In the time of monomer sounding, the air that monomer compresses in back of the body chamber can be passed to passive type vibrating diaphragm, and then indirectly drives passive type vibrating diaphragm sounding.Therefore for back of the body chamber volume compared with for little electroacoustic device, can be by the help of the counterweight of Different Weight in passive type vibrating diaphragm, the sympathetic response effect in the low-frequency resonant frequency of dive output sound reinforcement back of the body chamber, and then overall sound field performance and the spatial impression of optimization electroacoustic device.
But, traditional electroacoustic device, its set passive radiator is the enclosure interior that is fixedly arranged on electroacoustic device mostly, therefore traditional electroacoustic device is in the time dispatching from the factory, determined its can output sound low-frequency resonant frequency, therefore user or former factory are the characteristics that is difficult to mix simply according to indivedual users' hobby and demand applicable output sound, and this hinders to some extent for stressing at present the trend of personalization of product.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of electroacoustic device, the inner set passive radiator of this electroacoustic device can be adjusted position or replacing easily, uses the characteristic that conveniently adjusts applicable output sound.
In order to reach above-mentioned purpose, the invention provides a kind of electroacoustic device, it includes a housing, and is arranged at monomer and the passive radiator in housing.Its middle shell is to offer a slot and one first sound hole, and monomer and housing define jointly towards an ante-chamber of this first sound hole and with respect to the back of the body chamber of this ante-chamber, and passive radiator is in the back of the body chamber being movably arranged in this housing, and towards described monomer.
The preferred scheme of the first is that described passive radiator is the movably direction adjustment towards or away from this monomer.This scheme gained electroacoustic device can be adjusted the distance between passive radiator and monomer easily, and then can under the prerequisite of not changing passive radiator, adjust the output audio of electroacoustic device.
A kind of specific implementation based on above-mentioned preferred scheme is: described housing comprises the first enclosing cover and the second enclosing cover, the two is socketed by screw thread, described monomer and passive radiator are located at respectively in the first enclosing cover and the second enclosing cover, realize the adjustment of distance between passive radiator and monomer by the turn between the first enclosing cover and the second enclosing cover.Further, described housing also can include the first annular element and second annular element that can mutually screw togather, and described the first enclosing cover is connected with the first annular element and the second annular element respectively with the second enclosing cover.
The preferred scheme of the first is: described passive radiator leaves between position and moves in the insertion position in this back of the body chamber and in one of this outside, back of the body chamber by described slot.This scheme makes passive radiator be convenient for changing or keep in repair, and finally reaches the object of adjusting electroacoustic device output audio.
A kind of specific implementation based on the second preferred version is: described housing comprises a dwang, on housing, jack is established in the position, edge of slot, on passive radiator, also correspondence arranges axis hole, this dwang is plugged in this jack, and making this passive radiator can described dwang be that axle center is rotated and then realized in insertion position and leave between position and move.
The second specific implementation based on the second preferred version is: described housing is provided with a chute makes this passive radiator can be slidedly arranged on this chute, and passive radiator can slide into and skid off with respect to housing.
The third specific implementation based on the second preferred version is: described housing comprises the first box part and the second box part, the two subtend is socketed in the two ends of a string fitting, in described the first box part and the second box part, be respectively equipped with slidably passive radiator of a monomer and, two passive radiators all can slide into and skid off with respect to the first box part.
In above-mentioned each scheme, passive radiator all can adopt following concrete structure: described passive radiator comprises a carrier, a vibrating diaphragm and a counterweight, and described carrier is provided with a perforate, and this vibrating diaphragm is located in perforate, and counterweight is located on this vibrating diaphragm.
In above-mentioned each scheme, the second sound hole also can be set on described housing, this second sound hole is communicated with described back of the body chamber with extraneous.
Beneficial effect of the present invention is as follows: in the time being intended to adjust the characteristic of electro-acoustic product output sound, user or former factory can adjust the position of movable radiator easily, or passive radiator is moved to and leaves position to change passive radiator or part wherein from insertion position originally, whole Renewal process is relatively simple and convenient.
[brief description of the drawings]
Fig. 1 is the partial perspective view of first embodiment of the invention electroacoustic device.
Fig. 2 is the sectional perspective exploded view of first embodiment of the invention electroacoustic device.
Fig. 3 is the cutaway view along 3-3 Section line of first embodiment of the invention electroacoustic device.
Fig. 4 is another cutaway view of first embodiment of the invention electroacoustic device, in order to illustrate that the first annular element makes to carry on the back the situation that chamber volume increases after the second annular element rotates.
Fig. 5 is the action schematic diagram of first embodiment of the invention electroacoustic device, the situation when showing that electroacoustic device is positioned at insertion position.
Fig. 6 is the action schematic diagram of first embodiment of the invention electroacoustic device, in order to show that electroacoustic device is positioned at the situation while leaving position.
Fig. 7 is the action schematic diagram of second embodiment of the invention electroacoustic device, in order to show that electroacoustic device is positioned at the situation while leaving position.
Fig. 8 is the action schematic diagram of second embodiment of the invention electroacoustic device, the situation when showing that electroacoustic device is positioned at insertion position.
Fig. 9 is the use schematic diagram of third embodiment of the invention electroacoustic device, and after adjusting in order to explanation, the 3rd sound hole is to present larger area situation.
Figure 10 is the use schematic diagram of third embodiment of the invention electroacoustic device, and the 3rd sound hole after adjusting in order to explanation is the situation presenting compared with small size.
Figure 11 is the use schematic diagram of fourth embodiment of the invention electroacoustic device.
[embodiment]
In order to allow those skilled in the art can better understand described electroacoustic device, below in conjunction with the first embodiment and coordinate brief description of the drawings as follows, please refer to Fig. 1 to Fig. 6.Described electroacoustic device can be for example electroacoustic device of audio amplifier, headphone, In-Ear Headphones or other types, with headphone as an example at this, and for convenience of description, the present embodiment is being directed upwardly as benchmark using monomer 20 output sounds.
The primary clustering of the electroacoustic device 1 of the present embodiment includes housing 10, monomer 20 and passive radiator 30, and details are as follows for the structure of each assembly and mutual relation:
Please, first referring to figs. 1 to Fig. 3, housing 10 includes the first enclosing cover 11, the first annular element 12, the second annular element 13 and the second enclosing cover 14 from top to bottom.Wherein, housing 10 is hollow form and inner has a back of the body chamber 16 that is positioned at monomer 20 back sides.Between the first enclosing cover 11 and monomer 20, be formed with described ante-chamber, and the first enclosing cover 11 offers the sound that the first sound hole 111 exports for monomer 20 and passes through.The first annular element 12 is with Fastening tenon structure 121 joggle the first enclosing covers 11, and the inner peripheral surface of the first annular element 12 is equipped with helicitic texture 122, and outer peripheral face is provided with projection 123 a connection piece 40 with frames connecting with headphone.
The two ends up and down of the second annular element 13 are respectively equipped with helicitic texture 131, and the second annular element 13 can be screwed togather with the first annular element 12 by the helicitic texture of upper end 131.Therefore, the rotation by the first annular element 12 with respect to the second annular element 13, realizes this passive radiator 30 and adjusts towards or away from the direction of this monomer 20.As Fig. 4 shows that the position from Fig. 3 is towards moving away from the direction of monomer 20 by passive radiator 30, increase by this volume in the inner back of the body of housing 10 chamber 16, otherwise can reduce the volume in back of the body chamber 16, realize by this frequency response and the resonance effect of adjusting earphone output sound.The upper end of the second enclosing cover 14 is also provided with helicitic texture 142, and for screwing togather with the second annular element 13, the end face of the second enclosing cover 14 is provided with a jack 141 and one second sound hole 143, and side offers a slot 15.
As shown in Figure 3, in the present embodiment, monomer 20 is the belows that are arranged at housing 10 inside and are connected in the first enclosing cover 11.
Refer to Fig. 2 and Fig. 3, passive radiator 30 is to be arranged at rotationally between the second annular element 13 and the second enclosing cover 14, and is inserted in slot 15.Wherein, passive radiator 30 comprises a carrier 31, a vibrating diaphragm 32 and a counterweight 33.Carrier 31 is to be formed by an outer framework 311 and interior framework 312 joggles.Outer framework 311 offers a perforation 313, the one dwang 50 grafting perforation 313 of outer framework 311 and the jacks 141 of the second enclosing cover 14, make passive radiator 30 can dwang 50 leave between position and rotate insert or stretch out housing 10 for Er Yi insertion position, axle center and, and then make passive radiator 30 be positioned at back of the body chamber 16 or leave and carry on the back chamber 16.The central authorities of interior framework 312 offer a perforate 314, and the protrusion that vibrating diaphragm 32 arranges by periphery is connected to the periphery of perforate 314, and counterweight 33 is to be arranged at vibrating diaphragm 32 surfaces.
When use, please refer to Fig. 5 to 6, in the time that user is intended to adjust the characteristic such as sound field performance and resonance effect of earphone institute output sound by the passive radiator 30 of replacing, user can manually promote passive radiator 30, rotates widdershins passive radiator 30 and makes it turn to and leave position from insertion position originally.So, user just can turn-off and the interior framework 312 of outer framework 311 joggles to change the vibrating diaphragm 32 and counterweight 33 on interior framework 312 and interior framework 312, after completing, replacing makes again interior framework 312 and outer framework 311 phase joggles, again passive radiator 30 is proceeded to insertion position afterwards, passive radiator 30 is returned in the back of the body chamber 16 of housing 10.Whole operating process is simple and convenient, and the structure of whole earphone is relatively simple and easy, thereby contributes to volume production.
In these supplementary notes, in order to reach the effect that adjusts output sound characteristic, the present invention is as long as be designed to adjust merely position or the movable structure of changing merely by passive radiator 30, for example the first annular element 12 in previous embodiment and the second annular element 13 are integrated into single component and passive radiator 30 can only be changed, or passive radiator 30 is changed into and is installed in the second annular element 13, passive radiator 30 can only be moved towards or away from monomer 20, can reach the present invention's object.
The mode that passive radiator 30 moves with respect to housing 10 also can have other form, please refer to second following embodiment and Fig. 7 to 8.The primary clustering of the second embodiment is roughly identical with the first embodiment, and its main difference is that passive radiator 67 is to be mounted slidably in housing, wherein the carrier 61 of passive radiator 67 is to be roughly round rectangle, its central authorities offer a square hole (figure does not illustrate), and the vibrating diaphragm 63 that connects counterweight 62 is the peripheries that cover and be connected to square hole.The second enclosing cover 64 is more concaved with the chute 66 communicating with slot 65, make passive radiator 67 can insert slot 65, and can on chute 66, leave between position (as Fig. 7) and insertion position (as Fig. 8) and make Linear-moving with respect to housing.
The present invention also can be applicable to audio amplifier, please refer to the 3rd following embodiment and Fig. 9 to 10.Wherein, the housing 71 of audio amplifier is socketed in annular two ends that are connected in series part 713 by the first box part 711 and the second box part 712 subtends and forms, and three inside communicates.The interior monomer 72 that is equiped with respectively of the first box part 711 and the second box part 712, the two also all offers a slot 73 and plugs slidably wherein for passive radiator 74, so also can reach the effect providing for simple replacement of.
It should be noted that, annular serial connection part 713 side outwardly also offers one the 3rd sound hole 714, the three sound holes 714 and is covered and connect by a tuning net 715.And in use, can telescopic moving the first box part 711 be connected in series the region of overlapping between part 713 with the second box part 712 the two and annular, adjust by this turnover amount and turnover efficiency that the outside area of the 3rd sound hole 714 changes air between housing 71 inside and outside, and then adjust the performance on the acoustics such as spatial impression of audio amplifier output sound.
The fourth embodiment of the present invention, is also the embodiment that described electroacoustic device is applied to audio amplifier, please refer to Figure 11.In the present embodiment, housing 81 is concaved with a slot 811 and plugs for passive radiator 82, and in the time that passive radiator 82 is positioned at insertion position, the vibrating diaphragm 821 of passive radiator 82 is towards monomer 83.Housing 81 offers the 4th sound hole 812, the four sound holes 812 also by tuning net 813 is covered and connects away from a side of monomer 83, and audio amplifier inside can be communicated by the 4th sound hole 812 with outside air.
It should be noted that, the tuning net in each embodiment is to change use wire netting into depending on actual needs.
Above-described embodiment is only specific implementation of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these apparent replacement forms all belong to protection scope of the present invention.
Claims (10)
1. an electroacoustic device with movable passive radiator, comprises:
One housing, offers at least one slot and one first sound hole;
One monomer, is located in this housing and this housing is separated into towards the ante-chamber of this first sound hole and with respect to the back of the body chamber of this ante-chamber, and wherein the slot of this housing is communicated with the back of the body chamber in this housing;
One passive radiator, is movably arranged on the slot in this housing.
2. the electroacoustic device as claimed in claim 1 with movable passive radiator, is characterized in that: described passive radiator is the movably direction adjustment towards or away from this monomer.
3. the electroacoustic device with movable passive radiator as claimed in claim 2, it is characterized in that: described housing comprises the first enclosing cover and the second enclosing cover, the two is socketed by screw thread, described monomer and passive radiator are located at respectively in the first enclosing cover and the second enclosing cover, realize the adjustment of distance between passive radiator and monomer by the turn between the first enclosing cover and the second enclosing cover.
4. the electroacoustic device with movable passive radiator as claimed in claim 3, it is characterized in that: described housing also includes the first annular element and second annular element that can mutually screw togather, described the first enclosing cover is connected with the second annular element with the first annular element respectively with the second enclosing cover.
5. the electroacoustic device with movable passive radiator as claimed in claim 1, is characterized in that: described passive radiator leaves between position and moves in the insertion position in this back of the body chamber and in one of this outside, back of the body chamber by described slot.
6. the electroacoustic device with movable passive radiator as claimed in claim 5, it is characterized in that: also comprise a dwang, on described housing, jack is established in the position, edge of slot, on passive radiator, also correspondence arranges axis hole, this dwang is plugged in this jack, and making this passive radiator can described dwang be that axle center is rotated and then realized in insertion position and leave between position and move.
7. the electroacoustic device with movable passive radiator as claimed in claim 1, is characterized in that: described housing is provided with a chute makes this passive radiator can be slidedly arranged on this chute.
8. the electroacoustic device with movable passive radiator as claimed in claim 1, it is characterized in that: described housing comprises the first box part and the second box part, the two subtend is socketed in the two ends of a string fitting, is respectively equipped with slidably passive radiator of a monomer and in described the first box part and the second box part; Two passive radiators all can slide into and skid off with respect to the first box part.
9. the electroacoustic device with movable passive radiator as claimed in claim 1, it is characterized in that: described passive radiator comprises a carrier, a vibrating diaphragm and a counterweight, described carrier is provided with a perforate, and this vibrating diaphragm is located in perforate, and counterweight is located on this vibrating diaphragm.
10. the electroacoustic device with movable passive radiator as claimed in claim 1, is characterized in that: on described housing, be also provided with the second sound hole, this second sound hole is communicated with described back of the body chamber with extraneous.
Priority Applications (1)
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CN201410372051.7A CN104168526B (en) | 2014-07-31 | 2014-07-31 | A kind of electroacoustic device with movable passive radiator |
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CN201410372051.7A CN104168526B (en) | 2014-07-31 | 2014-07-31 | A kind of electroacoustic device with movable passive radiator |
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CN104168526A true CN104168526A (en) | 2014-11-26 |
CN104168526B CN104168526B (en) | 2017-12-26 |
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CN201410372051.7A Expired - Fee Related CN104168526B (en) | 2014-07-31 | 2014-07-31 | A kind of electroacoustic device with movable passive radiator |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105933804A (en) * | 2016-06-30 | 2016-09-07 | 乐视控股(北京)有限公司 | Sound box and passive radiator thereof |
TWI602441B (en) * | 2016-07-11 | 2017-10-11 | 宏碁股份有限公司 | Speaker with harmonic sound and electronic device using the same |
CN110475185A (en) * | 2019-08-13 | 2019-11-19 | 海能达通信股份有限公司 | Acoustic radiation component and audible device |
CN111629288A (en) * | 2020-05-07 | 2020-09-04 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
TWI724271B (en) * | 2017-03-08 | 2021-04-11 | 日商夏普股份有限公司 | Wearable speaker system |
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JPH01101794A (en) * | 1987-10-14 | 1989-04-19 | Aiwa Co Ltd | Inner ear type headphone |
TWM421664U (en) * | 2011-09-16 | 2012-01-21 | Cheng Uei Prec Ind Co Ltd | Earphone |
CN202135298U (en) * | 2011-05-27 | 2012-02-01 | 富港电子(昆山)有限公司 | Bass enhanced sound box |
CN203225865U (en) * | 2013-03-27 | 2013-10-02 | 深圳市海天地科技有限公司 | Structure for improving low frequency characteristic of loudspeaker box |
CN203313372U (en) * | 2013-06-09 | 2013-11-27 | 志丰电子股份有限公司 | Multi-timbre adjustable earphone |
-
2014
- 2014-07-31 CN CN201410372051.7A patent/CN104168526B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH01101794A (en) * | 1987-10-14 | 1989-04-19 | Aiwa Co Ltd | Inner ear type headphone |
CN202135298U (en) * | 2011-05-27 | 2012-02-01 | 富港电子(昆山)有限公司 | Bass enhanced sound box |
TWM421664U (en) * | 2011-09-16 | 2012-01-21 | Cheng Uei Prec Ind Co Ltd | Earphone |
CN203225865U (en) * | 2013-03-27 | 2013-10-02 | 深圳市海天地科技有限公司 | Structure for improving low frequency characteristic of loudspeaker box |
CN203313372U (en) * | 2013-06-09 | 2013-11-27 | 志丰电子股份有限公司 | Multi-timbre adjustable earphone |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105933804A (en) * | 2016-06-30 | 2016-09-07 | 乐视控股(北京)有限公司 | Sound box and passive radiator thereof |
TWI602441B (en) * | 2016-07-11 | 2017-10-11 | 宏碁股份有限公司 | Speaker with harmonic sound and electronic device using the same |
TWI724271B (en) * | 2017-03-08 | 2021-04-11 | 日商夏普股份有限公司 | Wearable speaker system |
US11134322B2 (en) | 2017-03-08 | 2021-09-28 | Sharp Kabushiki Kaisha | Wearable speaker system |
CN110475185A (en) * | 2019-08-13 | 2019-11-19 | 海能达通信股份有限公司 | Acoustic radiation component and audible device |
CN111629288A (en) * | 2020-05-07 | 2020-09-04 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
CN111629288B (en) * | 2020-05-07 | 2021-11-05 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
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Effective date of registration: 20190314 Address after: 518000 No. 48 Meibao Road, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Merry Electronics (Shenzhen) Co., Ltd. Address before: 516800 Jinshan Industrial Park, Qingxi, Longmen County, Huizhou City, Guangdong Province Patentee before: Law Electronics (Huizhou) Co., Ltd. |
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Granted publication date: 20171226 Termination date: 20200731 |