CN105681983A - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN105681983A CN105681983A CN201610018063.9A CN201610018063A CN105681983A CN 105681983 A CN105681983 A CN 105681983A CN 201610018063 A CN201610018063 A CN 201610018063A CN 105681983 A CN105681983 A CN 105681983A
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- voice coil
- lower plate
- secondary magnet
- ring portion
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/13—Use or details of compression drivers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a loudspeaker. The loudspeaker comprises a frame, and a vibration system and a magnetic circuit system which are fixedly connected with the frame. The vibration system comprises a first vibration film and a voice coil for driving the first vibration film to vibrate and sound. The magnetic circuit system comprises a lower clamp plate, a piece of main magnetic steel which is arranged on the lower clamp plate, a cushion edge which is arranged on the lower clamp plate around the main magnetic steel, and a piece of auxiliary magnetic steel which is arranged on the cushion edge around the main magnetic steel. The cushion edge is arranged between the auxiliary magnetic steel and the lower clamp plate. The loudspeaker also comprises a second vibration film for supporting the voice coil. The second vibration film comprises a folding ring part, a fixing part extending from the outer periphery of the folding ring part, and a connecting part extending from the inner periphery of the folding ring part; the fixing part is clamped between the auxiliary magnetic steel and the cushion edge; and the connecting part is connected with the voice coil. According to the loudspeaker provided by the invention, the vibration swinging problem of the loudspeaker can be solved; and the vibration space of the second vibration film is ensured.
Description
[technical field]
The present invention relates to electroacoustic conversion art, be specifically related to a kind of speaker.
[background technology]
In recent years, development along with science and technology, especially the progress at full speed of mobile communication technology, increasing mobile electronic device occurs in daily life, as smart mobile phone, panel computer, notebook computer and Rich media player have become the articles for daily use that people are indispensable. And in these mobile electronic devices, voice playing device is its internal requisite parts, the height of voice quality directly affects Consumer's Experience when user uses these mobile electronic devices.
The speaker of prior art is as the playing device of voice, and its structural design directly affects speech play quality. Speaker in correlation technique includes magnetic circuit system and vibrational system, in vibrational system, only comprise single diaphragm structure, when magnetic circuit system drives vibrational system vibration sounding, voice coil loudspeaker voice coil in vibrational system is because its underpart is unsettled, producing to wave in vibration processes described in making, causing that speaker is subjected to displacement, thus affecting the performance of speaker.
Therefore, it is necessary to provide a kind of new diaphragm structure, thus improve the speaker of output performance.
[summary of the invention]
It is an object of the invention to provide a kind of diaphragm structure adjusting vibrational system, thus improving the speaker of output performance.
Technical scheme is as follows:
A kind of speaker provided by the invention, it includes frame and is fixed in vibrational system and the magnetic circuit system of described frame, described vibrational system includes the first vibrating diaphragm and drives the voice coil loudspeaker voice coil of described first diaphragm oscillations sounding, described magnetic circuit system includes lower plate, it is arranged at the main magnet steel on described lower plate, be arranged on described lower plate around described main magnet steel arrange pad limit and be arranged on described pad limit around described main magnet steel arrange secondary magnet steel, described pad limit is arranged between described secondary magnet steel and described lower plate, described speaker farther includes to support the second vibrating diaphragm of described voice coil loudspeaker voice coil, described second vibrating diaphragm includes ring portion, the fixed part extended from outer peripheral edge, described ring portion and the connecting portion extended from described ring portion inner peripheral, described fixed part is located between described secondary magnet steel and described pad limit, described connecting portion is connected with described voice coil loudspeaker voice coil.
Preferably, described pad limit adopts permeability magnetic material to make.
Preferably, described pad limit is to extend to form from described lower plate, its structure that is formed in one with described lower plate.
Preferably, described ring portion concaves towards the concave configuration that described lower plate side is formed.
Preferably, described secondary magnet steel extends at least partially into the top in described ring portion, described secondary magnet steel inner peripheral to the vertical dimension in described ring portion more than the vibration displacement in described ring portion.
Preferably, described magnetic circuit system farther includes the train wheel bridge being oppositely arranged with described lower plate, described frame is provided with the fixed block extended to described pad limit, described fixed block cooperatively forms the accepting groove housing described secondary magnet steel, described secondary magnet steel is contained in described accepting groove, and described train wheel bridge is connected to described fixed block and attaches described secondary magnet steel.
Preferably, described secondary magnet steel inner peripheral to the distance of described voice coil loudspeaker voice coil more than the distance of described train wheel bridge inner peripheral to described voice coil loudspeaker voice coil.
Preferably, described magnetic circuit system also includes pole piece, and described pole piece is covered in described main magnet steel one end away from described lower plate.
The beneficial effects of the present invention is: speaker provided by the invention supports voice coil loudspeaker voice coil by the second vibrating diaphragm, solves the flapping issue of speaker; It addition, stepping down and padding the setting on limit of the concave configuration in the second vibrating diaphragm ring portion and secondary magnet steel ensure that the oscillation space of the second vibrating diaphragm.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional exploded view of a kind of embodiment of speaker provided by the invention;
Fig. 2 is the three-dimensional assembly diagram of speaker shown in Fig. 1;
Fig. 3 is the profile along speaker line A-A shown in Fig. 2.
[detailed description of the invention]
Below in conjunction with drawings and embodiments, the invention will be further described.
Seeing also Fig. 1 to Fig. 3, wherein, Fig. 1 is the three-dimensional exploded view of a kind of embodiment of speaker provided by the invention; Fig. 2 is the three-dimensional assembly diagram of speaker shown in Fig. 1; Fig. 3 is the profile along speaker line A-A shown in Fig. 2. Described speaker 1 includes frame 11 and is fixed in vibrational system 15 and the magnetic circuit system 13 of described frame 11.
Described vibrational system 15 includes the first vibrating diaphragm 151 and drives the voice coil loudspeaker voice coil 152 of described first vibrating diaphragm 151 vibration sounding.
Described magnetic circuit system 13 includes lower plate 131, be arranged on described lower plate 131 main magnet steel 132, be arranged on described lower plate 131 around described main magnet steel 132 arrange pad limit 133 and be arranged on described pad limit 133 around described main magnet steel 131 arrange secondary magnet steel 134, described pad limit 133 is arranged between described secondary magnet steel 134 and described lower plate 131, described magnetic circuit system 13 farther includes the train wheel bridge 135 being oppositely arranged with described lower plate 131, described frame 11 is provided with the fixed block 111 extended to described pad limit 133, described fixed block 111 cooperatively forms the accepting groove 1111 housing described secondary magnet steel 134, described secondary magnet steel 134 is contained in described accepting groove 1111, described train wheel bridge 135 is connected to described fixed block 111 and attaches described secondary magnet steel 134. described magnetic circuit system 13 also includes pole piece 136, and described pole piece 136 is covered in described main magnet steel 132 one end away from described lower plate 131. in the present embodiment, the quantity of described secondary magnet steel 134 is four, respectively it is located at the first secondary magnet steel 1341 of described main magnet steel 132 4 end, second secondary magnet steel 1342, 3rd secondary magnet steel 1343 and fourth officer magnet steel 1344, described first secondary magnet steel 1341, second secondary magnet steel 1342, 3rd secondary magnet steel 1343 and fourth officer magnet steel 1344 all arrange form magnetic gap 137 with described main magnet steel 132 intervals, described voice coil loudspeaker voice coil 152 insert in described magnetic gap 137 and respectively with described main magnet steel 135 and described first pair magnet steel 1341, second secondary magnet steel 1342, 3rd secondary magnet steel 1343 and fourth officer magnet steel 1344 interval.
Described pad limit 133 adopts permeability magnetic material to make, and is specifically as follows ferrum, cobalt, nickel extremely alloy etc., for conduct magnetic field, makes described vibrational system 15 produce better vibrating effect. In the present embodiment, pad limit 133 and lower plate 131 are that split is arranged, and are certainly not limited to this, and described pad limit 133 can also be extend to form from described lower plate 131 to be formed in one structure with described lower plate 131.
Described speaker 1 farther includes to support the second vibrating diaphragm 153 of described voice coil loudspeaker voice coil 152, described second vibrating diaphragm 153 includes ring portion 1531, the fixed part 1532 extended from outer peripheral edge, described ring portion 1531 and the connecting portion 1533 extended from described ring portion 1531 inner peripheral, described fixed part 1532 is located between described secondary magnet steel 134 and described pad limit 133, and described connecting portion 1533 is connected with described voice coil loudspeaker voice coil 152. described ring portion 1531 concaves towards the concave configuration that described lower plate 131 side is formed, additionally, described secondary magnet steel 134 extends at least partially into the top in described ring portion 1531, described secondary magnet steel 134 inner peripheral to the vertical dimension in described ring portion 1531 more than the vibration displacement in described ring portion 1531, described secondary magnet steel 134 inner peripheral to the distance of described voice coil loudspeaker voice coil 152 more than the distance of described train wheel bridge 135 inner peripheral to described voice coil loudspeaker voice coil 152, secondary stepping down of magnet steel 134 has reserved the oscillation space of the second vibrating diaphragm 153, that pads limit 133 is set to the space 100 that the second vibrating diaphragm 153 provides the vibration of lower section.
Speaker provided by the invention supports voice coil loudspeaker voice coil by the second vibrating diaphragm, solves the vibration and sway problem of speaker; It addition, stepping down and padding the setting on limit of the concave configuration in the second vibrating diaphragm ring portion and secondary magnet steel ensure that the oscillation space of the second vibrating diaphragm.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, all in like manner include in the scope of patent protection of the present invention.
Claims (8)
1. a speaker, it is characterized in that: it includes frame and is fixed in vibrational system and the magnetic circuit system of described frame, described vibrational system includes the first vibrating diaphragm and drives the voice coil loudspeaker voice coil of described first diaphragm oscillations sounding, described magnetic circuit system includes lower plate, it is arranged at the main magnet steel on described lower plate, be arranged on described lower plate around described main magnet steel arrange pad limit and be arranged on described pad limit around described main magnet steel arrange secondary magnet steel, described pad limit is arranged between described secondary magnet steel and described lower plate, described speaker farther includes to support the second vibrating diaphragm of described voice coil loudspeaker voice coil, described second vibrating diaphragm includes ring portion, the fixed part extended from outer peripheral edge, described ring portion and the connecting portion extended from described ring portion inner peripheral, described fixed part is located between described secondary magnet steel and described pad limit, described connecting portion is connected with described voice coil loudspeaker voice coil.
2. speaker according to claim 1, it is characterised in that: described pad limit adopts permeability magnetic material to make.
3. speaker according to claim 1, it is characterised in that: described pad limit is to extend to form from described lower plate, its structure that is formed in one with described lower plate.
4. speaker according to claim 1, it is characterised in that: described ring portion concaves towards the concave configuration that described lower plate side is formed.
5. speaker according to claim 4, it is characterised in that: described secondary magnet steel extends at least partially into the top in described ring portion, described secondary magnet steel inner peripheral to the vertical dimension in described ring portion more than the vibration displacement in described ring portion.
6. speaker according to claim 1, it is characterized in that: described magnetic circuit system farther includes the train wheel bridge being oppositely arranged with described lower plate, described frame is provided with the fixed block extended to described pad limit, described fixed block cooperatively forms the accepting groove housing described secondary magnet steel, described secondary magnet steel is contained in described accepting groove, and described train wheel bridge is connected to described fixed block and attaches described secondary magnet steel.
7. speaker according to claim 6, it is characterised in that: described secondary magnet steel inner peripheral to the distance of described voice coil loudspeaker voice coil more than the distance of described train wheel bridge inner peripheral to described voice coil loudspeaker voice coil.
8. speaker according to claim 1, it is characterised in that: described magnetic circuit system also includes pole piece, and described pole piece is covered in described main magnet steel one end away from described lower plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610018063.9A CN105681983A (en) | 2016-01-12 | 2016-01-12 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610018063.9A CN105681983A (en) | 2016-01-12 | 2016-01-12 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105681983A true CN105681983A (en) | 2016-06-15 |
Family
ID=56300230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610018063.9A Pending CN105681983A (en) | 2016-01-12 | 2016-01-12 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105681983A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303857A (en) * | 2016-09-07 | 2017-01-04 | 深圳天珑无线科技有限公司 | Double diaphragm loudspeaking component and loudspeaker arrangement |
| CN107682795A (en) * | 2017-11-16 | 2018-02-09 | 维沃移动通信有限公司 | A kind of loudspeaker and electronic equipment |
| WO2018045718A1 (en) * | 2016-09-09 | 2018-03-15 | 歌尔股份有限公司 | Loudspeaker module and sound production device |
| CN108712707A (en) * | 2018-06-11 | 2018-10-26 | 常州市润蒙声学科技有限公司 | Loud speaker |
| CN109195077A (en) * | 2018-08-04 | 2019-01-11 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN109218933A (en) * | 2018-08-04 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Mini-sound device |
| CN109348372A (en) * | 2018-09-30 | 2019-02-15 | 瑞声科技(新加坡)有限公司 | Microphone device |
| WO2020000985A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Sound production apparatus and portable terminal |
| WO2020000984A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Microphone device and portable terminal |
| WO2020000926A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Sounding device and portable terminal |
| CN111698617A (en) * | 2019-03-14 | 2020-09-22 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN113596687A (en) * | 2021-08-27 | 2021-11-02 | 歌尔科技有限公司 | Speaker and electronic apparatus |
| WO2022082853A1 (en) * | 2020-10-22 | 2022-04-28 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN114422922A (en) * | 2021-12-28 | 2022-04-29 | 歌尔科技有限公司 | Sound production device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6526151B1 (en) * | 2000-06-29 | 2003-02-25 | Meiloon Industrial Co., Ltd. | High stability loudspeaker |
| JP2009094977A (en) * | 2007-10-12 | 2009-04-30 | Citizen Electronics Co Ltd | Electroacoustic transducer and method of manufacturing the same |
| CN201967122U (en) * | 2011-01-07 | 2011-09-07 | 瑞声光电科技(常州)有限公司 | Magnetic circuit system and speaker applying same |
| CN102711024A (en) * | 2012-01-06 | 2012-10-03 | 瑞声声学科技(深圳)有限公司 | Vibration system |
| CN102711021A (en) * | 2012-01-06 | 2012-10-03 | 瑞声声学科技(深圳)有限公司 | Miniature sounding device |
| CN202663534U (en) * | 2012-04-28 | 2013-01-09 | 歌尔声学股份有限公司 | Loudspeaker |
| CN203457318U (en) * | 2013-09-27 | 2014-02-26 | 美特科技(苏州)有限公司 | Thin loudspeaker |
| CN104969573A (en) * | 2013-02-07 | 2015-10-07 | 苹果公司 | Speaker magnet assembly with included spider |
| CN204929239U (en) * | 2015-08-10 | 2015-12-30 | 常州美欧电子有限公司 | Loudspeaker |
-
2016
- 2016-01-12 CN CN201610018063.9A patent/CN105681983A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6526151B1 (en) * | 2000-06-29 | 2003-02-25 | Meiloon Industrial Co., Ltd. | High stability loudspeaker |
| JP2009094977A (en) * | 2007-10-12 | 2009-04-30 | Citizen Electronics Co Ltd | Electroacoustic transducer and method of manufacturing the same |
| CN201967122U (en) * | 2011-01-07 | 2011-09-07 | 瑞声光电科技(常州)有限公司 | Magnetic circuit system and speaker applying same |
| CN102711024A (en) * | 2012-01-06 | 2012-10-03 | 瑞声声学科技(深圳)有限公司 | Vibration system |
| CN102711021A (en) * | 2012-01-06 | 2012-10-03 | 瑞声声学科技(深圳)有限公司 | Miniature sounding device |
| CN202663534U (en) * | 2012-04-28 | 2013-01-09 | 歌尔声学股份有限公司 | Loudspeaker |
| CN104969573A (en) * | 2013-02-07 | 2015-10-07 | 苹果公司 | Speaker magnet assembly with included spider |
| CN203457318U (en) * | 2013-09-27 | 2014-02-26 | 美特科技(苏州)有限公司 | Thin loudspeaker |
| CN204929239U (en) * | 2015-08-10 | 2015-12-30 | 常州美欧电子有限公司 | Loudspeaker |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303857A (en) * | 2016-09-07 | 2017-01-04 | 深圳天珑无线科技有限公司 | Double diaphragm loudspeaking component and loudspeaker arrangement |
| WO2018045718A1 (en) * | 2016-09-09 | 2018-03-15 | 歌尔股份有限公司 | Loudspeaker module and sound production device |
| US10638233B2 (en) | 2016-09-09 | 2020-04-28 | Goertek, Inc. | Speaker module and sound production device |
| CN107682795A (en) * | 2017-11-16 | 2018-02-09 | 维沃移动通信有限公司 | A kind of loudspeaker and electronic equipment |
| CN108712707A (en) * | 2018-06-11 | 2018-10-26 | 常州市润蒙声学科技有限公司 | Loud speaker |
| WO2020000926A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Sounding device and portable terminal |
| US11483660B2 (en) | 2018-06-25 | 2022-10-25 | Goertek, Inc. | Sound production apparatus and portable terminal |
| WO2020000985A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Sound production apparatus and portable terminal |
| WO2020000984A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Microphone device and portable terminal |
| CN109195077A (en) * | 2018-08-04 | 2019-01-11 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN109218933A (en) * | 2018-08-04 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Mini-sound device |
| CN109348372A (en) * | 2018-09-30 | 2019-02-15 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN109348372B (en) * | 2018-09-30 | 2020-12-22 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN111698617A (en) * | 2019-03-14 | 2020-09-22 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| WO2022082853A1 (en) * | 2020-10-22 | 2022-04-28 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN113596687A (en) * | 2021-08-27 | 2021-11-02 | 歌尔科技有限公司 | Speaker and electronic apparatus |
| CN113596687B (en) * | 2021-08-27 | 2022-10-28 | 歌尔科技有限公司 | Speaker and electronic apparatus |
| CN114422922A (en) * | 2021-12-28 | 2022-04-29 | 歌尔科技有限公司 | Sound production device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160615 |
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| WD01 | Invention patent application deemed withdrawn after publication |