CN204598287U - A kind of miniature loudspeaker box - Google Patents

A kind of miniature loudspeaker box Download PDF

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Publication number
CN204598287U
CN204598287U CN201520347948.4U CN201520347948U CN204598287U CN 204598287 U CN204598287 U CN 204598287U CN 201520347948 U CN201520347948 U CN 201520347948U CN 204598287 U CN204598287 U CN 204598287U
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China
Prior art keywords
leg
spectacles
sound
box
auricle
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CN201520347948.4U
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Chinese (zh)
Inventor
孙树成
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Liang Liang Visual Field Beijing Science And Technology Ltd
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Liang Liang Visual Field Beijing Science And Technology Ltd
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Abstract

The utility model provides a kind of miniature loudspeaker box, and wherein, audio amplifier comprises phonation unit and leading note cavity.Described phonation unit is built in postauricular leg of spectacles, for sounding; Described leading note cavity is communicated in described phonation unit, for by before described voice output to auricle near auricle leg of spectacles on sound mouth.The utility model utilizes the space after the inner ear of leg of spectacles, the acoustic space needed for Audio Design is formed in conjunction with outer shell body structure, and by the leg of spectacles of sound mouth direction close auricle before auricle, user is listened to by less volume oneself, ensures the privacy used.

Description

A kind of miniature loudspeaker box
Technical field
The utility model relates to audio amplifier field, particularly a kind of miniature loudspeaker box be applied on intelligent glasses.
Background technology
Existing similar intelligent glasses, earphone Wearable product are substantially all adopt the technology such as In-Ear Headphones or osteoacusis to make user hear sound, due to the restriction of structure space, generally adopt bone conduction technology at present, this method relative cost is high, what be not suitable for masses listens to custom, once select, tonequality is difficult to large improvement.And the complex structure of product dressed by the intelligent glasses of prior art, earphone, required cost is high.
Utility model content
The utility model provides a kind of miniature loudspeaker box, be built in the postauricular leg of spectacles of intelligent glasses, user can be affected hear external voice for solving wear headphones in prior art, can not take into account inside and external voice obtains simultaneously, the audio amplifier of neither one rational structure meets the problem of privacy that user listens to and comfortableness.
In order to solve the problem, the technical solution of the utility model is:
The utility model provides a kind of miniature loudspeaker box, and wherein, this audio amplifier comprises phonation unit and leading note cavity;
Described phonation unit is built in postauricular leg of spectacles, for sounding;
Described leading note cavity is communicated in described phonation unit, for by before described voice output to auricle near auricle leg of spectacles on sound mouth.
The further aspect of the utility model one embodiment, described phonation unit comprises loud speaker, audio amplifier back cover and sound box body;
Described sound box body side is fixed on postauricular leg of spectacles sidewall, and described audio amplifier back cover is fixed on described sound box body opposite side, and described loud speaker is fixed in described sound box body;
Sound chamber before described loud speaker, described sound box body side and described postauricular leg of spectacles sidewall are formed, sound chamber after described loud speaker, described sound box body opposite side and described audio amplifier back cover are formed;
Described postauricular leg of spectacles inner space forms described leading note cavity;
Described front sound chamber is communicated in described leading note cavity.
The further aspect of the utility model one embodiment, described miniature loudspeaker box also comprises the bracket shell of a leg of spectacles shape, described bracket shell one end is connected to described sound box body, the described bracket shell other end is communicated with described sound mouth, described bracket shell is fixed on described postauricular leg of spectacles sidewall, and described bracket shell and described postauricular leg of spectacles sidewall form described leading note cavity.
The further aspect of the utility model one embodiment, described sound box body and described bracket shell one-body molded.
The further aspect of the utility model one embodiment, the fixed form between each part mentioned above is ultrasonic bonding mode or glue fixed form.
The further aspect of the utility model one embodiment, is also provided with battery and audio signal sound-producing device, is connected to described loud speaker in described postauricular leg of spectacles.
The further aspect of the utility model one embodiment, described miniature loudspeaker box also comprises loudspeaker signal circuit board, for connecting described battery for described loud speaker and audio signal sound-producing device provides passage.
The further aspect of the utility model one embodiment, also comprises bluetooth module in leg of spectacles, and described bluetooth module connects described loudspeaker signal circuit board, for receiving the audio signal of external equipment transmission.
The miniature loudspeaker box that the utility model provides, is arranged at postauricular leg of spectacles inner, comprises phonation unit and leading note cavity, and leading note cavity makes front sound chamber and sound mouth form connection, on the leg of spectacles of sound mouth close auricle before being positioned at auricle.In order to filtering interfering, strengthen the intensity of leg of spectacles on auricle, miniature loudspeaker box comprises the bracket shell of a leg of spectacles shape, and this bracket shell and postauricular leg of spectacles sidewall form the leading note cavity be communicated with front sound chamber.Like this, to be positioned at before sound that postauricular loud speaker sends is directed to auricle by leading note cavity, by the volume of control loudspeaker, this audio amplifier can realize privacy that user listens to and comfortableness, user oneself can listen to by less volume, and owing to not needing pleasant earplug, can normally and other people link up.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below accompanying drawing required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only 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 miniature loudspeaker box schematic diagram of the utility model one embodiment;
Fig. 2 is the miniature loudspeaker box decomposing schematic representation of the utility model one embodiment;
Fig. 3 is the miniature loudspeaker box decomposing schematic representation of another embodiment of the utility model;
Fig. 4 is the cutaway view on the miniature loudspeaker box B-B direction in FIG of the utility model one embodiment;
Fig. 5 is the sound box body of the utility model one embodiment and the structural representation of bracket shell;
Fig. 6 is the miniature loudspeaker box assembling flow path figure of the utility model one embodiment.
Reference numeral illustrates:
1: postauricular leg of spectacles; 2: near the leg of spectacles of auricle before auricle;
10: phonation unit; 20: leading note cavity;
30: sound mouth; 3: housing outside leg of spectacles;
4: side body in leg of spectacles; 11: sound box body;
12: loud speaker; 121: speaker wire;
13: audio amplifier back cover; 14: loudspeaker signal circuit board;
141: connector; 142: loudspeaker signal welding circuit board point;
111: sound box body side; 112: sound box body opposite side;
15: bracket shell; 40: leading note cavity;
50: front sound chamber; 60: rear sound chamber;
71: the first side wall; 72: the second sidewalls;
73: plane; 74: fixing port;
75: sender; S1 ~ S4: step.
Embodiment
In order to make technical characterstic of the present utility model and effect more obvious; below in conjunction with accompanying drawing, the technical solution of the utility model is described further; the utility model also can have other different instantiations to be illustrated or to implement, and the equivalents that any those skilled in the art do in right all belongs to protection category of the present utility model.
As shown in Figure 1, the utility model provides a kind of miniature loudspeaker box, and this audio amplifier comprises phonation unit 10 and leading note cavity 20.Phonation unit 10 is built in postauricular leg of spectacles 1, for sounding.Leading note cavity 20 is communicated in phonation unit 10, for by before voice output to auricle near auricle leg of spectacles 2 on sound mouth 30.
Leg of spectacles is divided into three parts by the utility model, leg of spectacles before leg of spectacles and auricle on leg of spectacles, auricle after auricle, what directly contact with auricle is leg of spectacles on auricle, and the leg of spectacles being positioned at auricle rear is leg of spectacles after auricle, and the leg of spectacles being positioned at auricle front is leg of spectacles before auricle.The utility model can make full use of the space of leg of spectacles after auricle, will be placed in voice output that the phonation unit after ear sends to the sound mouth on the leg of spectacles near auricle by leading note cavity body structure.
Further, in the utility model one embodiment, as shown in Figure 2, phonation unit 10 comprises loud speaker 12, audio amplifier back cover 13 and sound box body 11.Leg of spectacles to comprise in leg of spectacles housing 3 outside side body 4 and leg of spectacles, and wherein, outside leg of spectacles, housing 3 has protruding sidewall, can be connected in side body 4 in leg of spectacles, form certain accommodation space.In other embodiments of the utility model, in leg of spectacles, side body has protruding sidewall, and can be connected in housing outside leg of spectacles, the concrete structure of the utility model to leg of spectacles housing does not limit.
Detailed, sound box body side 111 is fixed in postauricular leg of spectacles on side body 4, and described audio amplifier back cover 13 is fixed on described sound box body opposite side 112, and described loud speaker 12 is fixed in described sound box body.Sound box body is divided into front and back two parts by loud speaker, in loud speaker 12, sound box body side 111 and postauricular leg of spectacles, side body 4 forms front sound chamber, loud speaker 12, sound box body opposite side 112 and audio amplifier back cover 13 form rear sound chamber, wherein, front sound chamber is not communicated with mutually with rear sound chamber, front sound chamber is opening port near sound mouth side (as shown in Figure 2 the direction of arrow), for being communicated with leading note cavity, by transfer voice to sound mouth, in the present embodiment, in leg of spectacles, outside side body 4 and leg of spectacles, housing 3 forms leading note cavity after being assembled into one.
It should be noted that, sound mouth 30 and leg of spectacles housing form smooth surface, ensure the comfortableness worn and listen to.The front side of loud speaker, i.e. sound chamber forward, sounding side, the rear side of loud speaker, namely audio frequency and power supply signal receiver side are towards rear sound chamber.The concrete shape of the utility model to voice box casing, loud speaker and audio amplifier back cover does not limit, and voice box casing and audio amplifier back cover can according to the spatial design of leg of spectacles after the shape of loud speaker and auricle.The present embodiment forms front sound chamber needed for vocal structure and rear sound chamber by leg of spectacles housing in conjunction with the mode of loud speaker, sound box body and audio amplifier back cover, but, in other embodiments of the present utility model, when leg of spectacles inner space allows, also by a special built-in phonation unit of voice box casing and formation leading note cavity.
In order to prevent front and back sound chamber conducting, causing and interfering with each other, in the utility model one embodiment, sound box body fixes loud speaker by glue, and the front side of loud speaker and rear side are sealed.In the present embodiment, the mode that sound box body is pasted by ultrasonic bonding or glue is fixed in postauricular leg of spectacles on side body, same, and audio amplifier back cover is also that the mode of being pasted by ultrasonic bonding or glue is fixed in sound box body.Detailed, the surrounding of sound box body and audio amplifier back cover is protruding sidewall, so that sound box body is fixed on leg of spectacles housing after auricle, audio amplifier back cover is fixed in sound box body.In addition, sound box body, also by certain structural design, is connected in side body in leg of spectacles by the utility model, and audio amplifier back cover is connected in sound box body.The utility model does not limit the concrete annexation between each several part.
Further, because audio amplifier front sound chamber and rear sound chamber need certain volume, and the space of leg of spectacles is very little, particularly leg of spectacles on auricle, and on auricle, leg of spectacles intensity is more weak, therefore, in order to strengthen the intensity of leg of spectacles on auricle, the sound that loud speaker is sent better exports to sound mouth, and miniature loudspeaker box also comprises the bracket shell 15 of a leg of spectacles shape, as shown in Figure 3, Figure 4, Fig. 4 is the cutaway view on the miniature loudspeaker box B-B direction in FIG of the utility model one embodiment.Bracket shell 15 one end is connected to sound box body 11, bracket shell 15 other end is communicated with sound mouth 30, bracket shell 15 to be fixed in postauricular leg of spectacles on side body 4, bracket shell 15 forms leading note cavity 40 with side body 4 in postauricular leg of spectacles, leading note cavity is communicated with front sound chamber 50, and rear sound chamber 60 isolates with front sound chamber 50.
It should be noted that, bracket shell is except the effect for constructing leading note cavity, reinforcement leg of spectacles intensity, and can also prevent the sound wave in front sound chamber and rear sound chamber from mutually disturbing, the sound that loud speaker is sent is more clear.The utility model does not limit the size of bracket shell and form, as long as ensure that side that bracket shell is connected to host shell forms with host shell that dislocation-free is connected, front sound chamber is communicated with (as shown in Figure 3) with between leading note cavity.In order to easily realize on technique, reduce necessary number of assembling steps, bracket shell and sound box body can be one-body molded.
The space that the utility model is inner after utilizing leg of spectacles ear, the acoustic construction needed for Audio Design is formed in conjunction with leg of spectacles shell structure, and by the front side of sound mouth direction towards auricle, for oneself listening to by less volume, ensure the privacy used, and do not need pleasant earplug, can normally and other people link up.
It should be noted that embodiment that the utility model relates to is when implementing, one or two or entirety in sound box body, bracket shell and audio amplifier back cover can be one-body molded, and its shape can be determined according to the shape of leg of spectacles on auricle and after auricle and special case.As long as can fix loud speaker, make loud speaker and audio amplifier back cover form rear sound chamber, after loud speaker and auricle, leg of spectacles sidewall forms front sound chamber and leading note cavity, the sound mouth before the transmission sound sent by loud speaker after ear to auricle on leg of spectacles.
In the utility model one embodiment, as shown in Figure 5, sound box body and bracket shell are one overall, comprise plane 73, the first side wall 71 and one second sidewall 72 of leg of spectacles shape after an auricle.Plane is provided with a fixing port 74 according to loud speaker size, and loud speaker is fixed on fixing port.The first side wall 71 is formed at the outward flange of plane, and the first side wall 71 is fixed on after auricle in leg of spectacles housing, and after loud speaker, plane 73, the first side wall 71 and auricle, leg of spectacles housing forms front sound chamber and leading note cavity; Second sidewall 72 is formed at the edge of fixing port 74, and casing of loudspeaker box is fixed on the second sidewall 72, sound chamber after loud speaker, the second sidewall 72 and casing of loudspeaker box are formed.Wherein, the first side wall 71 and described second sidewall 72 lay respectively at the both sides of plane 73, and the second sidewall has sender 75 near auricle side, and sender is corresponding with sound mouth.
In an embodiment of the present utility model, battery and audio signal sound-producing device is also provided with in postauricular leg of spectacles, for providing power supply and audio signal to loud speaker, for the ease of the wiring of leg of spectacles inner space, miniature loudspeaker box also comprises loudspeaker signal circuit board, for providing passage for loud speaker connection battery and audio signal sound-producing device.Concrete, refer to shown in Fig. 3, the shape of loudspeaker signal circuit board 14 is similar to bracket shell, Pasting is on bracket shell, circuit board is provided with connector 141 near one end of sound mouth, for being connected with power supply and audio signal sound-producing device, the other end of circuit board is provided with loudspeaker signal welding circuit board point 142, the through wires hole that on audio amplifier back cover 13, promising speaker wire 121 is reserved, wire guide seals with fluid sealant by speaker wire after the through wires hole of audio amplifier back cover is drawn, the speaker wire of drawing is welded on loudspeaker signal welding circuit board point 142, such power supply and audio signal sound-producing device just can provide power supply and audio signal for audio amplifier.
The present embodiment can simplified wiring structure, makes full use of the inner space of leg of spectacles after auricle.The through wires hole of audio amplifier back cover seals with fluid sealant the stability and directivity that can ensure transmission sound.
As the further aspect of an embodiment of the present utility model, also comprise bluetooth module in leg of spectacles, this bluetooth module connects loudspeaker signal circuit board, for receiving the audio signal of external equipment transmission.
The assembling process of audio amplifier is described with a specific embodiment below, in the present embodiment, audio amplifier back cover comprises protruding sidewall around, and the through wires hole that the promising loud speaker connecting line in audio amplifier back cover bottom surface is reserved, sound box body and bracket shell one-body molded, be called supporting structure, this supporting structure comprises the plane of leg of spectacles shape after an auricle, one the first side wall and one second sidewall, plane is provided with a fixing port according to loud speaker size, for fixing loud speaker, the first side wall is formed at the outward flange of plane, second sidewall is formed at the edge of fixing port, the first side wall and the second sidewall lay respectively at the both sides of plane, second sidewall has sender near auricle side, sender is corresponding with sound mouth.Shown in composition graphs 3, Fig. 6, audio amplifier number of assembling steps is:
Step S1: be fixed on by loud speaker on the fixing port of supporting structure, after the mode that the first side wall end face is pasted by ultrasonic bonding or glue is fixed on auricle, on auricle on leg of spectacles sidewall, forms front sound chamber and the leading note cavity of audio amplifier.
Step S2: the mode that after audio amplifier, shell side wall end face and the second sidewall end face are pasted by ultrasonic bonding or glue is combined, forms the rear sound chamber of audio amplifier, loudspeaker signal line is drawn the through wires hole of audio amplifier back cover, is sealed by through wires hole with fluid sealant.
Step S3: be pasted on by loudspeaker signal circuit board on the bracket shell of fixing audio amplifier back cover side, speaker wire is soldered on the pad of its correspondence, is connected power supply and audible signal generating device with loudspeaker signal circuit board corresponding contacts.
Step S4: side body in the outside housing of leg of spectacles and leg of spectacles is assembled into one.
The present embodiment, only for illustration of the process how constructing front sound chamber, rear sound chamber and leading note cavity, is not limited to the priority step of the front sound chamber of structure, rear sound chamber and leading note cavity.
The utility model limits according to glasses leg inner space, loud speaker is arranged at the leg of spectacles after people's ear inner, sound box body and leg of spectacles sidewall form front sound chamber, because people's ear is more responsive from answering sound above, so be spatially provided with a bracket shell before leg of spectacles leads to leg of spectacles after auricle, bracket shell and leg of spectacles sidewall form leading note cavity, this leading note cavity is connected with front sound chamber, by the structure of leading note cavity by the transmission sound that sends from loud speaker after ear to the outlet sound mouth of front side.By the volume of control loudspeaker, this audio amplifier can realize privacy that user listens to and comfortableness, and user oneself can listen to by less volume, and owing to not needing pleasant earplug, can normally and other people link up.
The above is only for illustration of the technical solution of the utility model, and any those of ordinary skill in the art all without prejudice under spirit of the present utility model and category, can carry out modifying to above-described embodiment and change.Therefore, rights protection scope of the present utility model should be as the criterion depending on right.

Claims (8)

1. a miniature loudspeaker box, is characterized in that, described miniature loudspeaker box comprises phonation unit and leading note cavity;
Described phonation unit is built in postauricular leg of spectacles, for sounding;
Described leading note cavity is communicated in described phonation unit, for by before described voice output to auricle near auricle leg of spectacles on sound mouth.
2. miniature loudspeaker box as claimed in claim 1, it is characterized in that, described phonation unit comprises loud speaker, audio amplifier back cover and sound box body;
Described sound box body side is fixed on postauricular leg of spectacles sidewall, and described audio amplifier back cover is fixed on described sound box body opposite side, and described loud speaker is fixed in described sound box body;
Sound chamber before described loud speaker, described sound box body side and described postauricular leg of spectacles sidewall are formed, sound chamber after described loud speaker, described sound box body opposite side and described audio amplifier back cover are formed;
Described postauricular leg of spectacles inner space forms described leading note cavity;
Described front sound chamber is communicated in described leading note cavity.
3. miniature loudspeaker box as claimed in claim 2, it is characterized in that, described miniature loudspeaker box also comprises the bracket shell of a leg of spectacles shape, described bracket shell one end is connected to described sound box body, the described bracket shell other end is communicated with described sound mouth, described bracket shell is fixed on described postauricular leg of spectacles sidewall, and described bracket shell and described postauricular leg of spectacles sidewall form described leading note cavity.
4. miniature loudspeaker box as claimed in claim 3, is characterized in that, described sound box body and described bracket shell one-body molded.
5. miniature loudspeaker box as claimed in claim 3, it is characterized in that, the fixed form between each part mentioned above is ultrasonic bonding mode or glue fixed form.
6. miniature loudspeaker box as claimed in claim 2, is characterized in that, be also provided with battery and audio signal sound-producing device, be connected to described loud speaker in described postauricular leg of spectacles.
7. miniature loudspeaker box as claimed in claim 6, it is characterized in that, described miniature loudspeaker box also comprises loudspeaker signal circuit board, for connecting described battery for described loud speaker and audio signal sound-producing device provides passage.
8. miniature loudspeaker box as claimed in claim 7, it is characterized in that, also comprise bluetooth module in leg of spectacles, described bluetooth module connects described loudspeaker signal circuit board, for receiving the audio signal of external equipment transmission.
CN201520347948.4U 2015-05-26 2015-05-26 A kind of miniature loudspeaker box Active CN204598287U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104853278A (en) * 2015-05-26 2015-08-19 北京亮亮视野科技有限公司 Mini sound box
WO2021027230A1 (en) * 2019-08-14 2021-02-18 歌尔股份有限公司 Smart head-mounted device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104853278A (en) * 2015-05-26 2015-08-19 北京亮亮视野科技有限公司 Mini sound box
WO2021027230A1 (en) * 2019-08-14 2021-02-18 歌尔股份有限公司 Smart head-mounted device

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