CN201533406U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN201533406U CN201533406U CN2009201783304U CN200920178330U CN201533406U CN 201533406 U CN201533406 U CN 201533406U CN 2009201783304 U CN2009201783304 U CN 2009201783304U CN 200920178330 U CN200920178330 U CN 200920178330U CN 201533406 U CN201533406 U CN 201533406U
- Authority
- CN
- China
- Prior art keywords
- phonation unit
- coil
- control circuit
- vibrating membrane
- sound
- 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
Images
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
The utility model discloses a loudspeaker which comprises a first sound unit and a second sound unit. The first sound unit adopts the structure that a coil and a magnetic element are arranged in a frame, wherein the magnetic element is positioned in the coil, the frame is provided with a vibrating diaphragm connected with the coil, and a protective hood is coated outside the frame. The second sound unit is arranged on the first sound unit and provided with a piezoceramic piece and a first control circuit, wherein the piezoceramic piece and the first control circuit are in electric and signal connection, and the coil and the first control circuit are arranged in parallel or independently. When voice frequency signals are displayed, the first sound unit and the second sound unit can be driven simultaneously, thereby achieving wider sounding replay band.
Description
Technical field
The utility model relates to a kind of play-back technology that is used for audio signal, refers to especially in conjunction with traditional phonation unit and piezoelectric ceramic piece, to obtain the loadspeaker structure of wideer sound equipment playback frequency band.
Background technology
General common loud speaker (loudspeaker), be in an audio amplifier, to be provided with a phonation unit to constitute, when described loud speaker with after a source of sound is connected as signal, the air that utilizes described phonation unit playing audio signal and drive described audio amplifier inside produces resonance and sounding.
See also phonation unit shown in Figure 6, general 20 and be provided with a framework 21, a vibrating membrane 22, a coil 23, a magnetic element 24 and a protective cover 25; Wherein, described framework 21 is provided with a hollow-out parts, so that described vibrating membrane 22 peripheries are located in the described hollow-out parts, and described coil 23 be located at described vibrating membrane 22 a side and with interconnect, described magnetic element 24 is located at the inside of described coil 23.Described phonation unit 20 is located in the audio amplifier, by the mutual magneticaction between described coil 23 and the described vibrating membrane 22, cause described coil 23 to drive described vibrating membrane 22 and produce vibration, and with audio amplifier in atmospheric molecule resonance and send the sound.
Yet, the physical characteristic of described phonation unit 20 itself, and the resonance of audio amplifier inner air or the like reason have different influences for the audio signal of different frequency, and have different frequency response curves, and more usually all can rapid attenuation toward high and low frequency corresponding to high and low frequency; Moreover big phonation unit has bigger vibrating membrane, is difficult to carry out vibration at high speed, so be difficult to send the sound of high frequency; Otherwise little phonation unit then is difficult to send the sound of low frequency usually because can't promote the interior a large amount of air of described audio amplifier; The material, the shape that add the above coil and described vibrating membrane itself all can cause loud speaker to have in middle and high frequency range and significantly cut apart vibration, thereby cause that loud speaker can't possess wide sound equipment playback frequency band, the big problem when becoming the loud speaker use.
So it is a kind of in conjunction with the phonation unit more than two that this creator because above-mentioned disappearance, design, the low-and high-frequency sound when taking into account the Microspeaker playing audio signal, and the sound equipment playback frequency band when having widened broadcast.
Summary of the invention
A purpose of the present utility model aims to provide a kind of loadspeaker structure, can take into account the low-and high-frequency sound when playing, and have wideer sound equipment playback frequency band.
Another purpose of the present utility model aims to provide a kind of loud speaker of microminiaturization, can increase the convenience when using, and can be widely used on the electronic product more.
A time purpose of the present utility model aims to provide the loud speaker of the multiple mounting means of tool, has different sounding effect, and different application modes.
For reaching above-mentioned purpose, loud speaker of the present utility model, for being connected with a source of sound, in order to play an audio signal, described loud speaker comprises: one first phonation unit, and it is provided with a coil and a magnetic element in a framework inside, make described magnetic element be positioned at described coil inside, and described framework is provided with a vibrating membrane, and described vibrating membrane also interconnects with described coil, and described framework outside more coats and is provided with a protective cover; And one second phonation unit, be located on described first phonation unit, described second phonation unit is provided with a piezoelectric ceramic piece and a first control circuit, described piezoelectric ceramic piece is also done electrically with described first control circuit and signal is connected, described coil and described first control circuit are to be connected as signal with described source of sound, play described audio signal by described first phonation unit and described second phonation unit.
In one embodiment, described piezoelectric ceramic piece is located on the framework of described first phonation unit, or described piezoelectric ceramic piece is located on the vibrating membrane of described first phonation unit, or described piezoelectric ceramic piece is located on the protective cover of described first phonation unit.Moreover, described first phonation unit has more a second control circuit, be to do electrically to reach signal with described coil to be connected, described second control circuit and described first control circuit, be to be connected as signal with described source of sound respectively, when playing described audio signal, drive described coil and described piezoelectric ceramic piece simultaneously, send the sound to drive described vibrating membrane resonance, and obtain wideer sound equipment playback frequency band.
In another embodiment, described first phonation unit has more a second control circuit, be to do electrically to reach signal with described coil to be connected, described second control circuit and described first control circuit are to be connected in parallel, be connected as signal with described source of sound again, when playing described audio signal, to drive described coil and described piezoelectric ceramic piece simultaneously, drive described vibrating membrane resonance and send the sound, and obtain wideer sound equipment playback frequency band.In addition, described vibrating membrane is the papery circle basin structure of indented central, described coil is arranged at the one side of described vibrating membrane central authorities, described piezoelectric ceramic piece is located at the another side of described vibrating membrane central authorities, and described vibrating membrane periphery is connected in the hollow-out parts of described framework, described coil outside has more certain cardiac skeleton, and described centering support is to be connected with described framework.
Compared with prior art, the beneficial effects of the utility model are:
1. loadspeaker structure of the present utility model can pass through described first phonation unit and described second phonation unit simultaneously, takes into account the low-and high-frequency sound when playing, and has wideer sound equipment playback frequency band.
Moreover, owing to after the utility model significantly reduces volume, can reach microminiaturized purpose, and increase the convenience when using, and can be widely used in more on the various electronic products.
And, piezoelectric ceramic piece of the present utility model can be located on described vibrating membrane, described protective cover or the described framework, and more mounting means can be provided, and different sounding effect is arranged, and different application modes.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the utility model first embodiment;
Fig. 2 is the partial sectional view after the utility model first embodiment assembling;
Fig. 3 is the partial sectional view after the utility model second embodiment assembling;
Fig. 4 is the partial sectional view after the utility model the 3rd embodiment assembling;
Fig. 5 is the partial sectional view after the utility model the 4th embodiment assembling;
Fig. 6 is for having the partial sectional view after loud speaker is assembled now.
Description of reference numerals: 10-loud speaker; 11-first phonation unit; The 111-framework; The 1111-hollow-out parts; The 1112-plate body; The 112-vibrating membrane; The 113-coil; The 1131-support of feeling relieved; The 114-magnetic element; The 115-second control circuit; The 116-protective cover; 12-second phonation unit; The 121-piezoelectric ceramic piece; The 122-first control circuit; The 20-phonation unit; The 21-framework; The 22-vibrating membrane; The 23-coil; The 24-magnetic element; The 25-protective cover.
Embodiment
Understand content of the present utility model for your auditor can be known, it is graphic sincerely to arrange in pairs or groups in the following instructions, please consult.
See also shown in Fig. 1,2, be the three-dimensional exploded view of the utility model first embodiment, and the partial sectional view after the assembling.Wherein, loud speaker 10 of the present utility model is to be used for being connected with a source of sound (not shown), and can play an audio signal, and described loud speaker 10 comprises: one first phonation unit 11 and one second phonation unit 12.
Described first phonation unit 11 is by a framework 111, one vibrating membrane 112, one coil 113, one magnetic element 114, one second control circuit 115 and a protective cover 116 are formed, described framework 111 inside are provided with a hollow-out parts 1111, be connected at described hollow-out parts 1111 with periphery with described vibrating membrane 112, described vibrating membrane 112 is laid in the described framework 111, described coil 113 is located at described vibrating membrane 112 belows, and described coil 113 centers are to be hollow, be provided with being equipped with described magnetic element 114, make described magnetic element 114 be positioned at described coil 113 inside, described protective cover 116 coats the outside of being located at described framework 111, said elements is coated be located at described framework 111 and described protective cover 116 inside; Described coil 113 is to do electrically to reach signal with described second control circuit 115 to be connected in addition.
Described second phonation unit 12 is made up of a piezoelectric ceramic piece 121 and a first control circuit 122, described piezoelectric ceramic piece 121 does electrically with described first control circuit 122 and signal is connected, and described piezoelectric ceramic piece 121 is located on the vibrating membrane 112 of described first phonation unit 11; Moreover, described second control circuit 115 and described first control circuit 122 are to be connected as signal with described source of sound, its signal ways of connecting has two: a kind of is that described first control circuit 122 and described second control circuit 115 are connected to described source of sound respectively, to drive described coil 113 and described piezoelectric ceramic piece 121 respectively; Another kind then is after described first control circuit 122 and described second control circuit 115 are connected in parallel, be connected as signal with described source of sound again, can drive described coil 113 and described piezoelectric ceramic piece 121 simultaneously, and drive 112 resonance of described vibrating membrane and send the sound, to obtain wideer sound equipment playback frequency band.In view of the above, described loud speaker 10 is to have integrated first phonation unit 11 and second phonation unit 12, compare with the product of identical sound equipment playback frequency band, the utility model has significantly reduced volume, and reach the purpose of miniaturized design, convenience when using except increasing can also be widely used on the various electronic products more.
In sum, the utility model has other embodiment in addition, utilizes described piezoelectric ceramic piece 121 to be arranged at different parts, the effect of sounding is also arranged equally, and can satisfy the demand that the utility model is used in different electronic products and place.See also shown in Figure 3ly, be the partial sectional view after the utility model second embodiment assembling.Please consult Fig. 1 more simultaneously, second embodiment of the present utility model has and the first embodiment identical construction element, wherein, described framework 111 1 sides extension is provided with one section plate body 1112, so that described piezoelectric ceramic piece 121 is located on the plate body 1112 of described framework 111, when playing described audio signal, can drive described coil 113 and described piezoelectric ceramic piece 121, produce resonance respectively to drive described vibrating membrane 112 and described plate body 1112, and produce the sound of different audio frequency.Seeing also shown in Figure 4ly, is the partial sectional view after the 3rd embodiment assembling.Please consult Fig. 1 more simultaneously; the 3rd embodiment of the present utility model has and the first embodiment identical construction element; wherein; described piezoelectric ceramic piece 121 is located on the protective cover 116 of described first phonation unit 11; during playing audio signal; be to drive described coil 113 and described piezoelectric ceramic piece 121, produce resonance respectively, can produce the sound of different audio frequency equally to drive described vibrating membrane 112 and described protective cover 116.Seeing also shown in Figure 5ly, is the partial sectional view after the 4th embodiment assembling.Please consult the 1st figure simultaneously, vibrating membrane 112 wherein is the papery circle basin structure of indented central, described coil 113 is arranged at the one side of described vibrating membrane 112 central authorities, and described vibrating membrane 112 peripheries are connected in the hollow-out parts 1111 of described framework 111, described coil 113 outsides have more certain cardiac skeleton 1131, described centering support 1131 is to be connected with described framework 111, described piezoelectric ceramic piece 121 is located at the another side of described vibrating membrane 112 central authorities, the type of drive identical with first embodiment and drive described vibrating membrane 112 resonance soundings.
As mentioned above, shown in Fig. 1～5, the utility model will have following advantage when implementing:
1, loud speaker 10 structures of the present utility model can be passed through described first phonation unit 11 and described second phonation unit 12 simultaneously, take into account the low-and high-frequency sound when playing, and have wideer sound equipment playback frequency band.
2 moreover, owing to after the utility model significantly reduces volume, can reach microminiaturized purpose, and increase the convenience when using, and can be widely used in more on the various electronic products.
3 and, piezoelectric ceramic piece 121 of the present utility model can be located on described vibrating membrane 112, described protective cover 116 or the described framework 111, and more mounting means can be provided, and different sounding effect is arranged, and different application modes.
The above person; it only is preferred embodiment of the present utility model; be not in order to limit the scope that the utility model is implemented; other as: as described in shape, the size of framework 111; or the material of vibrating membrane 112; or be shape, size of described piezoelectric ceramic piece 121 etc.; also all among category of the present utility model; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited, can make many modifications, change; or equivalence, but all will fall in the protection range of the present utility model.
Claims (8)
1. a loud speaker supplies to be connected with a source of sound,, it is characterized in that it comprises in order to play an audio signal:
One first phonation unit, it is provided with a coil and a magnetic element in a framework inside, make described magnetic element be positioned at described coil inside, and described framework is provided with a vibrating membrane, described vibrating membrane also interconnects with described coil, and described framework outside more coats and is provided with a protective cover; And
One second phonation unit, be located on described first phonation unit, described second phonation unit is provided with a piezoelectric ceramic piece and a first control circuit, described piezoelectric ceramic piece is also done electrically with described first control circuit and signal is connected, described coil and described first control circuit are to be connected as signal with described source of sound, play described audio signal by described first phonation unit and described second phonation unit.
2. loud speaker according to claim 1 is characterized in that the piezoelectric ceramic piece of described second phonation unit is located on the framework of described first phonation unit.
3. loud speaker according to claim 1 is characterized in that the piezoelectric ceramic piece of described second phonation unit is located on the vibrating membrane of described first phonation unit.
4. loud speaker according to claim 1 is characterized in that the piezoelectric ceramic piece of described second phonation unit is located on the protective cover of described first phonation unit.
5. according to each described loud speaker of claim 1～4, it is characterized in that, described first phonation unit has more a second control circuit, be to do electrically to reach signal with described coil to be connected, described second control circuit and described first control circuit are to be connected as signal with described source of sound respectively, when playing described audio signal, drive described coil and described piezoelectric ceramic piece simultaneously, send the sound to drive described vibrating membrane resonance, and obtain wideer sound equipment playback frequency band.
6. according to each described loud speaker of claim 1～4, it is characterized in that, described first phonation unit has more a second control circuit, be to do electrically to reach signal with described coil to be connected, described second control circuit and described first control circuit are to be connected in parallel, and are connected as signal with described source of sound again, when playing described audio signal, to drive described coil and described piezoelectric ceramic piece simultaneously, drive the resonance of described vibrating membrane and send the sound, and obtain wideer sound equipment playback frequency band.
7. loud speaker according to claim 1, it is characterized in that, described vibrating membrane is the papery circle basin structure of indented central, described coil is arranged at the one side of described vibrating membrane central authorities, described piezoelectric ceramic piece is located at the another side of described vibrating membrane central authorities, and described vibrating membrane periphery is connected in the described framework.
8. loud speaker according to claim 7 is characterized in that, described coil outside has more certain cardiac skeleton, and described centering support is to be connected with described framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201783304U CN201533406U (en) | 2009-10-12 | 2009-10-12 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201783304U CN201533406U (en) | 2009-10-12 | 2009-10-12 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201533406U true CN201533406U (en) | 2010-07-21 |
Family
ID=42528804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201783304U Expired - Fee Related CN201533406U (en) | 2009-10-12 | 2009-10-12 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201533406U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281488A (en) * | 2011-06-02 | 2011-12-14 | 广州市锐丰音响科技股份有限公司 | Double-transduction-mode combined coaxial full-range loudspeaker |
| CN104869508A (en) * | 2015-05-21 | 2015-08-26 | 歌尔声学股份有限公司 | Electroacoustic conversion device |
| WO2016184080A1 (en) * | 2015-05-21 | 2016-11-24 | 歌尔声学股份有限公司 | Electro-acoustic transducing device |
| CN108353234A (en) * | 2016-06-10 | 2018-07-31 | 摩达伊诺琴股份有限公司 | Sound output device |
| CN108353233A (en) * | 2015-11-13 | 2018-07-31 | 摩达伊诺琴股份有限公司 | Sound output device |
| CN110177321A (en) * | 2018-02-21 | 2019-08-27 | 易音特电子株式会社 | Mix actuator and the multimedia equipment with mixing actuator |
-
2009
- 2009-10-12 CN CN2009201783304U patent/CN201533406U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281488A (en) * | 2011-06-02 | 2011-12-14 | 广州市锐丰音响科技股份有限公司 | Double-transduction-mode combined coaxial full-range loudspeaker |
| CN104869508A (en) * | 2015-05-21 | 2015-08-26 | 歌尔声学股份有限公司 | Electroacoustic conversion device |
| WO2016184093A1 (en) * | 2015-05-21 | 2016-11-24 | 歌尔声学股份有限公司 | Electroacoustic conversion apparatus |
| WO2016184080A1 (en) * | 2015-05-21 | 2016-11-24 | 歌尔声学股份有限公司 | Electro-acoustic transducing device |
| US20180041844A1 (en) * | 2015-05-21 | 2018-02-08 | Goertek, Inc. | Electrical-acoustic transformation device |
| US10219080B2 (en) | 2015-05-21 | 2019-02-26 | Goertek, Inc. | Electrical-acoustic transformation device |
| US10225664B2 (en) * | 2015-05-21 | 2019-03-05 | Goertek, Inc. | Electrical-acoustic transformation device |
| CN108353233A (en) * | 2015-11-13 | 2018-07-31 | 摩达伊诺琴股份有限公司 | Sound output device |
| CN108353234A (en) * | 2016-06-10 | 2018-07-31 | 摩达伊诺琴股份有限公司 | Sound output device |
| CN110177321A (en) * | 2018-02-21 | 2019-08-27 | 易音特电子株式会社 | Mix actuator and the multimedia equipment with mixing actuator |
| US11462199B2 (en) * | 2018-02-21 | 2022-10-04 | Em-Tech. Co., Ltd. | Hybrid actuator and multimedia apparatus having the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204993827U (en) | Loudspeaker module | |
| CN201533406U (en) | Loudspeaker | |
| CN206061094U (en) | Loudspeaker enclosure | |
| CN204929240U (en) | Loudspeaker | |
| CN205081956U (en) | Sounding device | |
| CN206585698U (en) | Loudspeaker enclosure | |
| CN101998216A (en) | Loudspeaker and portable electronic device | |
| CN106101955B (en) | Loudspeaker enclosure | |
| CN103414985B (en) | The suspended structure of Microspeaker | |
| CN206350046U (en) | The receiver and mobile phone of electronic product | |
| WO2007062937A1 (en) | Speakerbox | |
| CN105407430A (en) | Sound effect device and manufacturing method therefor | |
| CN201523448U (en) | Speaker and portable electronic equipment | |
| JPH09135496A (en) | Piezoelectric electric acoustic device | |
| CN117135549A (en) | Loudspeaker | |
| CN107580281A (en) | A kind of bone-conduction speaker | |
| CN208227311U (en) | A kind of double skeleton ultrathin loudspeakers | |
| CN201854412U (en) | Miniature moving coil type electro-acoustic transducer | |
| CN101902675B (en) | Thin speaker capable of strengthening bass/mega bass sound effect | |
| WO2021000104A1 (en) | Speaker box | |
| CN201667714U (en) | Piezoelectric type loudspeaker | |
| CN208572426U (en) | A kind of high-fidelity loudspeaker | |
| CN208940169U (en) | Earphone and headphone unit | |
| WO2022067972A1 (en) | Speaker box | |
| CN207283783U (en) | A kind of high-fidelity loudspeaker for preventing voice coil leads to be broken |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100721 Termination date: 20171012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |