CN102711011B - Two-circuit electroacoustic conversion device - Google Patents
Two-circuit electroacoustic conversion device Download PDFInfo
- Publication number
- CN102711011B CN102711011B CN201210001022.0A CN201210001022A CN102711011B CN 102711011 B CN102711011 B CN 102711011B CN 201210001022 A CN201210001022 A CN 201210001022A CN 102711011 B CN102711011 B CN 102711011B
- Authority
- CN
- China
- Prior art keywords
- loudspeaker unit
- support frame
- magnetic bowl
- double
- converting apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a two-circuit electroacoustic conversion device. The device comprises a cone frame, a first loudspeaker unit, a supporting frame body, a second loudspeaker unit and a cover body, wherein the supporting frame body is matched with the cone frame and the cover body respectively to form a first accommodation space and a second accommodation space, the first accommodation space is used for accommodating the first loudspeaker unit, and the second accommodation space is used for accommodating the second loudspeaker unit. The two-circuit electroacoustic conversion device is low in cost and good in effect.
Description
Technical field
The present invention relates to a kind of electro-acoustic conversion device, particularly relate to one and there is two circuit electro-acoustic conversion device.
Background technology
Along with development in science and technology, electronic product obtains applying more and more widely in daily life, for example mobile phone, music player, language repeater, hearing aids etc.In general the electronic equipment that, has an audio frequency communication function all needs electro-acoustic conversion device to produce sound.For portable electric sound converting apparatus earphone, earphone is limited to size can not good voice effect, for example, cannot provide independently high bass phonation unit.
Common electro-acoustic conversion device is generally single loop structure, and as shown in Figure 1, this electro-acoustic conversion device 4 comprises single magnetic circuit system and the vibrational system with described magnetic circuit system Corresponding matching.Described magnetic circuit system only comprises a magnetic bowl 41, is located at single magnet steel 42 and pole piece 43 in magnetic bowl 41.Between described magnet steel 42 and pole piece 43 and described magnetic bowl 41, only form single magnetic gap 44.
Vibrational system in this electro-acoustic conversion device 4 also only comprises the single vibrating diaphragm 46 that is suspended in the single voice coil loudspeaker voice coil 45 of magnetic gap 44 and is connected with described voice coil loudspeaker voice coil 45.
For meeting the functional diversities of electro-acoustic conversion device, on the basis of traditional single loop structure electro-acoustic conversion device 4, double loop magnetic circuit system and vibrational system need to be further set, the electro-acoustic conversion device coexisting to meet high pitch and bass.
But the required components and parts of electro-acoustic conversion device of existing double loop structure are various, and, magnetize respectively and increase the production process of producer and cost two magnet steel in double loop.
Thereby, be necessary to study a kind of new structure with simplified structure, minimizing component number object double-return circuit electric sound converting apparatus.
Summary of the invention
For the problems referred to above of prior art, the invention provides that a kind of overall structure is simple, ease of assembly and simultaneously meet the double-return circuit electric sound converting apparatus of high pitch and bass.
A kind of double-return circuit electric sound converting apparatus, comprise the first loudspeaker unit, support frame, tool second magnetic bowl the second loudspeaker unit and the lid of basin frame, tool the first magnetic bowl, support frame coordinates basin frame and lid to form respectively first receiving space of accommodating described the first loudspeaker unit and second receiving space of accommodating described the second loudspeaker unit, and described the first magnetic bowl is identical with the opening direction of the second magnetic bowl.
Preferably, described the first receiving space and described the second receiving space correspondence are arranged on two opposite flanks of described support frame, a described support frame wherein side surface is provided with ledge structure, with corresponding chimeric fixing with described the first loudspeaker unit, another opposite flank correspondence of described support frame is provided with snap-in structure, and described the second loudspeaker unit of corresponding engaging is in described the second receiving space.
Preferably, described the first loudspeaker unit also comprises the first vibrating diaphragm, and described the first magnetic bowl is fixed on described basin frame, the ledge structure of described support frame and the corresponding chimeric setting of described the first vibrating diaphragm.
Preferably, described the second loudspeaker unit comprises the second magnetic bowl and the second vibrating diaphragm, and described the second loudspeaker unit comprises the second magnetic bowl and the second vibrating diaphragm, described the second magnetic bowl and the chimeric setting of described support frame, described the second vibrating diaphragm and the chimeric setting of described lid.
Preferably, described basin frame comprises another ledge structure equally, and it is corresponding chimeric with the ledge structure of described support frame.
Preferably, the cylindrical structural that described support frame comprises body and extends to form from described body, on described body, be provided with air vent hole, the sidewall of described cylindrical structural is provided with air vent hole equally, and described the second loudspeaker unit forms the suction of gas or releases generation sound from described cylindrical structural and described body.
Preferably, described support frame is also accommodated at least one the 3rd loudspeaker unit, described the 3rd loudspeaker unit and the superimposed setting of described the first loudspeaker unit, and described the 3rd loudspeaker unit and described the second loudspeaker unit are set up in parallel.
Preferably, described the 3rd loudspeaker unit comprises a magnetic bowl, and described magnetic bowl opening direction is identical with the magnetic bowl opening direction of described the first loudspeaker unit and the second loudspeaker unit.
Compared to prior art, electro-acoustic conversion device of the present invention is by being arranged on the second loudspeaker unit in the support frame of the first loudspeaker unit, element and space are saved, ease of assembly, there is independently high bass speaker unit simultaneously, make electro-acoustic conversion device of the present invention there is lower cost and good effect.
Brief description of the drawings
Fig. 1 is the side sectional view of a kind of double-return circuit electric sound converting apparatus related to the present invention;
Fig. 2 is the solid assembling schematic diagram of an execution mode of electro-acoustic conversion device of the present invention;
Fig. 3 is the perspective exploded view of electro-acoustic conversion device shown in Fig. 2;
Fig. 4 is the side sectional view of electro-acoustic conversion device shown in Fig. 2.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of electro-acoustic conversion device, comprise the first loudspeaker unit, the second loudspeaker unit and pedestal, described the second loudspeaker unit comprises front cap, and described front cap comprises the receiving space for accommodating described the first loudspeaker unit.
Below in conjunction with accompanying drawing, the present invention is further described.
Refer to Fig. 2 and Fig. 3, wherein Fig. 2 is the solid assembling schematic diagram of a kind of preferred embodiments of electro-acoustic conversion device of the present invention, and Fig. 3 is the perspective exploded view of electro-acoustic conversion device shown in Fig. 2.Described electro-acoustic conversion device 1 comprises basin frame 11, the first loudspeaker unit 13, support frame 15, the second loudspeaker unit 17 and lid 19.Described basin frame 11 coordinates described support frame 15 to surround the first receiving space to accommodate described the first loudspeaker unit 13.Described lid 19 coordinates described support frame 15 to surround another the second receiving space, to accommodate described the second loudspeaker unit 17.Described lid 19 is covered on the opening part of described the second receiving space.
Referring to Fig. 4, is the side sectional view of electro-acoustic conversion device 1 shown in Fig. 2 again.Described basin frame 11 is plastic frame body, and it comprises sidewall 111 and a base 113.Described sidewall 111 is cylindrical structure, and it is perpendicular to described base 113.Described base 113 is supporting baffle of a tool hollow region, and the hollow region of described base 113 is corresponding with the central area that described sidewall 111 surrounds, and the hollow space of the two surrounds ostiolate the first receiving space.At described base 113 and described sidewall 111 intersections, be provided with snap-in structure.The peripheral edge of described base 113 is provided with a step 115.On described step 115, be provided with air vent hole (do not indicate), when described air vent hole is used for realizing described the second loudspeaker unit 15 sounding, the suction of gas and releasing.
Described the first loudspeaker unit 13 is the Microspeaker modules that produce voice unit, and it comprises the first magnetic bowl 131, the first magnet steel 132, the first pole piece 133, the first voice coil loudspeaker voice coil 135 and the first vibrating diaphragm 136.Described the first magnetic bowl 131 is accommodated described the first magnet steel 132 and the first pole piece 133, and its end arranges with the corresponding engaging of snap-in structure of described basin frame 11.The setting that is superimposed with each other of described the first pole piece 133 and described the first magnet steel 132.Between the inner wall surface of described the first magnetic bowl 131 and described the first magnet steel 132 outer surfaces, be provided with a gap, i.e. so-called the first magnetic gap 134.A wherein side surface of described the first vibrating diaphragm 136 is fixed in described first voice coil loudspeaker voice coil 135 one end, and the other end is suspended in described the first magnetic gap 134.When its work, described the first vibrating diaphragm 136 shuttle belts air vent hole of body on the sidewall 111 of described basin frame 11 of taking offence sucks or releases body 151 outsides to described support frame 15.
Described support frame 15 is one to cover the lid at the first receiving space opening part of described basin frame 11, is again the support body that surrounds another second receiving space and accommodate described the second loudspeaker unit 17 simultaneously.Described support frame 15 comprises a body 151 and a cylindrical-shaped structure 153 extending to form from described body 151.The first vibrating diaphragm 136 that described body 151 1 sides are closed on described the first loudspeaker unit 13 arranges.The end of described support frame 15 is provided with ledge structure equally, to realize and the first vibrating diaphragm 136 described in the corresponding chimeric sandwiched of ledge structure of described basin frame 11.Extending to form a cylindrical structural away from the surface correspondence of described basin frame 11 1 sides, be provided with snap-in structure (not indicating) and another ledge structure 155 in the end of this cylindrical structural, fixing described the second loudspeaker unit 17 of described snap-in structure is in the second receiving space of described support frame 15.Thus, the two opposite sides of described support frame 15 respectively correspondence define the first receiving space and the second receiving space.On affiliated body 151, outer peripheral areas is provided with multiple air vent holes, and this air vent hole and described the second receiving space are mutually isolated.On the sidewall of described cylindrical structural, be provided with equally air vent hole, in the time that described the second loudspeaker unit 17 is worked, gas sucks or releases from the air vent hole of the sidewall of described cylindrical structural, and and then run through the air vent hole into described body 151, realize the suction of gas or release, producing sound.
Described the second loudspeaker unit 17 is in order to produce the Microspeaker module of voice unit, and it comprises the second magnetic bowl 171, the second magnet steel 172, the second pole piece 173, the second voice coil loudspeaker voice coil 175 and the second vibrating diaphragm 176.Described the second magnetic bowl 171 is accommodated described the second magnet steel 172 and the second pole piece 173, and its end arranges with the corresponding engaging of ledge structure of the cylindrical-shaped structure 153 of described support frame 15.The setting that is superimposed with each other of described the second pole piece 173 and described the second magnet steel 172.The opening direction of described the second magnetic bowl 171 is identical with the opening direction of described the first magnetic bowl 131.Between the inner wall surface of described the second magnetic bowl 171 and described the second magnet steel 172 outer surfaces, be provided with a gap, i.e. so-called the second magnetic gap 174.A wherein side surface of described the second vibrating diaphragm 176 is fixed in described second voice coil loudspeaker voice coil 175 one end, and the other end is suspended in described the second magnetic gap 174.
Described lid 19 is covered on the opening part of described the second receiving space.Described the first loudspeaker unit 13, the second loudspeaker unit 17 and described lid 19 all have circular section shape and/or structure.
In the time of the described electromagnetic switching device 1 of assembling, it comprises the steps:
First, provide described support frame 15, described basin frame 11 and the first loudspeaker unit 13.
In this step, described support frame 15 mutually engages setting with described basin frame 11 and surrounds the first receiving space.Described the first loudspeaker unit 13 is housed in described first and accommodates in sky frame, forms a loop.
Secondly, provide the second loudspeaker unit 17 and described lid 19.
In this step, described support frame 15 surround second receiving space corresponding to described lid 19.Described the first receiving space and described the second receiving space are lived apart in two opposite flanks of described support frame 15, form another loop.
So far, form the two circuit electro-acoustic conversion device 2 of tool.
In the time that described electro-acoustic conversion device 1 is worked, described the first loudspeaker unit 13 forms respectively the high pitch part of described electro-acoustic conversion device 1 and the double-return circuit electric sound converting apparatus of bass part with described the second loudspeaker unit 17, and the first loudspeaker unit 13 is consistent with the direction of speaking of described the second loudspeaker unit 17, the vibrating diaphragm 136 of described the first loudspeaker unit 13 vibrates, and promotes gas and sucks or release from the air vent hole on body 151 surfaces of described support frame 15.The vibrating diaphragm 176 of described the second loudspeaker unit 17 vibrates, promoting gas sucks or releases from the side of the cylindrical structural 153 of described support frame 15 air vent hole, and then realize sounding through the air vent hole of described body 151 again,, described the first loudspeaker unit 13 and described the second loudspeaker unit 17 are all towards the opening direction propagate radiation of described the first magnetic bowl 131 and the second magnetic bowl 171.
In the present embodiment, described the first loudspeaker unit 13 is high pitch phonation units, and described the second loudspeaker unit 17 is bass generating units, and the size of described the first loudspeaker unit 13 is less than the size of described the second loudspeaker unit 17.The first loudspeaker unit 13 and the independent sounding of the second loudspeaker unit 17, and the direction of speaking of the two is consistent.Change in execution mode at other, size and the position relationship of the first loudspeaker unit and the second loudspeaker unit can change as required.
Compared with prior art, electro-acoustic conversion device 1 of the present invention is by being arranged on the second loudspeaker unit 17 in support frame 15 and lid 19, make described support lid have the cap portion of the first loud speaker 11 and the pedestal part of the second loudspeaker unit concurrently simultaneously, described the first magnetic bowl 131 is fixed on described basin frame, and described support frame 15 is corresponding chimeric with described the first vibrating diaphragm 136.Described the second magnetic bowl 172 and the chimeric setting of described support frame 15, described the second vibrating diaphragm 176 and the chimeric setting of described lid 19, so saving is supported described the second loudspeaker unit 17 with independent framework, in other words, save the cap portion that uses described the first loudspeaker unit 13, element and space are saved, ease of assembly.There is independently high bass speaker unit simultaneously, make electro-acoustic conversion device 1 of the present invention there is lower cost and good effect.
As the further improvement of above-mentioned execution mode, need according to actual product processing, described two circuit electro-acoustic conversion device 2 can also be to comprise multiple loudspeaker units,, further comprise the 3rd loudspeaker unit, described the 3rd loudspeaker unit and the superimposed setting of described the first loudspeaker unit, and be set up in parallel with described the second loudspeaker unit.Described the 3rd loudspeaker unit comprises one the 3rd magnetic bowl equally, the opening direction of described the 3rd magnetic bowl is identical with the magnetic bowl opening direction of described the first loudspeaker unit and the second loudspeaker unit, the generation direction of three loudspeaker units is reached unanimity, and described electro-acoustic conversion device 2 has larger generation power and wider range.
These are only preferred case study on implementation of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a double-return circuit electric sound converting apparatus, it is characterized in that, comprise the first loudspeaker unit, the support frame of basin frame, tool the first magnetic bowl, the second loudspeaker unit and the lid of tool the second magnetic bowl, support frame coordinates basin frame and lid to form respectively first receiving space of accommodating described the first loudspeaker unit and second receiving space of accommodating described the second loudspeaker unit, described the first receiving space and described the second receiving space correspondence are arranged on two opposite flanks of described support frame, and described the first magnetic bowl is identical with the opening direction of the second magnetic bowl.
2. double-return circuit electric sound converting apparatus according to claim 1, it is characterized in that, a described support frame wherein side surface is provided with ledge structure, with corresponding chimeric fixing with described the first loudspeaker unit, another opposite flank correspondence of described support frame is provided with snap-in structure, and described the second loudspeaker unit of corresponding engaging is in described the second receiving space.
3. double-return circuit electric sound converting apparatus according to claim 2, it is characterized in that, described the first loudspeaker unit also comprises the first vibrating diaphragm, and described the first magnetic bowl is fixed on described basin frame, the ledge structure of described support frame and the corresponding chimeric setting of described the first vibrating diaphragm.
4. double-return circuit electric sound converting apparatus according to claim 3, is characterized in that, described the second loudspeaker unit comprises the second magnetic bowl and the second vibrating diaphragm, described the second magnetic bowl and the chimeric setting of described support frame, described the second vibrating diaphragm and the chimeric setting of described lid.
5. double-return circuit electric sound converting apparatus according to claim 2, is characterized in that, described basin frame comprises another ledge structure equally, and it is corresponding chimeric with the ledge structure of described support frame.
6. double-return circuit electric sound converting apparatus according to claim 2, it is characterized in that, the cylindrical structural that described support frame comprises body and extends to form from described body, on described body, be provided with air vent hole, the sidewall of described cylindrical structural is provided with air vent hole equally, and described the second loudspeaker unit forms the suction of gas or releases generation sound from described cylindrical structural and described body.
7. double-return circuit electric sound converting apparatus according to claim 1, it is characterized in that, described support frame is also accommodated at least one the 3rd loudspeaker unit, described the 3rd loudspeaker unit and the superimposed setting of described the first loudspeaker unit, described the 3rd loudspeaker unit and described the second loudspeaker unit are set up in parallel.
8. double-return circuit electric sound converting apparatus according to claim 7, is characterized in that, described the 3rd loudspeaker unit comprises a magnetic bowl, and described magnetic bowl opening direction is identical with the magnetic bowl opening direction of described the first loudspeaker unit and the second loudspeaker unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210001022.0A CN102711011B (en) | 2012-01-04 | 2012-01-04 | Two-circuit electroacoustic conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210001022.0A CN102711011B (en) | 2012-01-04 | 2012-01-04 | Two-circuit electroacoustic conversion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102711011A CN102711011A (en) | 2012-10-03 |
| CN102711011B true CN102711011B (en) | 2014-11-26 |
Family
ID=46903537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210001022.0A Expired - Fee Related CN102711011B (en) | 2012-01-04 | 2012-01-04 | Two-circuit electroacoustic conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102711011B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111698621B (en) * | 2019-03-14 | 2023-04-07 | 歌尔股份有限公司 | Sound production device and electronic product |
| CN213342571U (en) * | 2020-09-25 | 2021-06-01 | 瑞声科技(新加坡)有限公司 | Loudspeaker box and mobile terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1939090A (en) * | 2004-03-30 | 2007-03-28 | 摩托罗拉公司 | Handheld device loudspeaker system |
| CN101361402A (en) * | 2006-03-13 | 2009-02-04 | 松下电器产业株式会社 | Composite speaker and its manufacturing method |
| CN201860438U (en) * | 2010-09-25 | 2011-06-08 | 康佳集团股份有限公司 | Loudspeaker module |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002058094A (en) * | 2000-06-27 | 2002-02-22 | Sang-Moon Hwang | Loudspeaker coupled with receiver |
-
2012
- 2012-01-04 CN CN201210001022.0A patent/CN102711011B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1939090A (en) * | 2004-03-30 | 2007-03-28 | 摩托罗拉公司 | Handheld device loudspeaker system |
| CN101361402A (en) * | 2006-03-13 | 2009-02-04 | 松下电器产业株式会社 | Composite speaker and its manufacturing method |
| CN201860438U (en) * | 2010-09-25 | 2011-06-08 | 康佳集团股份有限公司 | Loudspeaker module |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-58094A 2002.02.22 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102711011A (en) | 2012-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204425650U (en) | Piezoelectric ceramic double-frequency earphone structure | |
| CN111182426A (en) | Bone conduction speaker and compound speaker | |
| CN203574855U (en) | Loudspeaker module | |
| CN204993827U (en) | Loudspeaker module | |
| JP6313367B2 (en) | Long stroke type speaker | |
| CN201754614U (en) | Multifunctional mini speaker | |
| US9277324B2 (en) | Three part membrane speaker | |
| KR20110016802A (en) | Earphone | |
| CN205081956U (en) | Sounding device | |
| CN201854416U (en) | Loudspeaker | |
| US20150023506A1 (en) | Sound Generator | |
| CN103581806A (en) | Electroacoustic transducer | |
| CN202799032U (en) | Speaker module | |
| CN204425642U (en) | Loud speaker | |
| CN210781329U (en) | Loudspeaker box | |
| CN204069319U (en) | Microphone device | |
| US20100220866A1 (en) | Thin speaker with improved bass/deep bass sound effect | |
| CN203708469U (en) | Loudspeaker module | |
| KR101470983B1 (en) | Micro speaker | |
| CN203574851U (en) | Loudspeaker module | |
| CN102711011B (en) | Two-circuit electroacoustic conversion device | |
| US20120308070A1 (en) | Slim type speaker and magnetic circuit therefor | |
| WO2019228295A1 (en) | Cover plate structure for mobile terminal and mobile terminal | |
| CN202514066U (en) | Multifunctional mini-size loudspeaker | |
| CN111711898B (en) | Sound production device module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170526 Address after: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8 Co-patentee after: Changzhou Meiou Electronics Co.,Ltd. Patentee after: AAC TECHNOLOGIES Pte. Ltd. Address before: 518057 Nanshan District province high tech Industrial Park, Shenzhen, North West New Road, No. 18 Co-patentee before: Changzhou Meiou Electronics Co.,Ltd. Patentee before: AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20220104 |