CN211128179U - Large-amplitude micro loudspeaker - Google Patents
Large-amplitude micro loudspeaker Download PDFInfo
- Publication number
- CN211128179U CN211128179U CN202020036680.3U CN202020036680U CN211128179U CN 211128179 U CN211128179 U CN 211128179U CN 202020036680 U CN202020036680 U CN 202020036680U CN 211128179 U CN211128179 U CN 211128179U
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- voice coil
- magnetic circuit
- centering
- basin frame
- keep away
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Abstract
The utility model discloses a large-amplitude micro loudspeaker, including the basin frame and install magnetic circuit and vibration system in the basin frame, vibration system includes voice coil loudspeaker voice coil, centering disk and vibrating diaphragm subassembly, magnetic circuit includes magnetic circuit clearance, the voice coil loudspeaker voice coil is located in the magnetic circuit clearance, still includes the skeleton, skeleton one end with the voice coil loudspeaker voice coil is connected, the other end with the centering disk is connected, the centering disk is connected the basin frame, be equipped with the keep away empty region in the basin frame, the keep away empty region is close to the bight setting of basin frame, the keep away empty region intercommunication the magnetic circuit clearance, the centering disk and a part of the skeleton are located in the keep away empty region; the utility model provides a miniature speaker of big amplitude novel structure, stable performance, avoided centering support piece to interfere magnetic circuit effectively, avoided the miniature speaker performance loss of big amplitude effectively.
Description
Technical Field
The utility model relates to an electroacoustic device technical field especially relates to a miniature speaker of big amplitude.
Background
The development trend of the existing loudspeaker and receiver is that the performance is improved and the requirements of high sensitivity, larger amplitude and the like are more trend: because a vibration system of a traditional moving coil type loudspeaker has swinging motion, in order to avoid sound effect distortion caused by the fact that a voice coil slantly touches a magnet when the amplitude is large, a scheme of adding a centering disk on the voice coil is generally adopted to inhibit the phenomenon that the voice coil slantly touches the magnet when the amplitude is large. However, the spider needs to be bonded to the voice coil located in the magnetic circuit gap, and the spider tends to interfere with the magnetic circuit system, resulting in performance loss.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a high-amplitude micro-speaker with stable performance is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a miniature speaker of big amplitude, includes the basin frame and installs magnetic circuit and vibration system in the basin frame, vibration system includes voice coil loudspeaker voice coil, centering disk and vibrating diaphragm subassembly, magnetic circuit includes the magnetic circuit clearance, the voice coil loudspeaker voice coil is located in the magnetic circuit clearance, still includes the skeleton, skeleton one end with the voice coil loudspeaker voice coil is connected, the other end with the centering disk is connected, the centering disk is connected the basin frame, be equipped with in the basin frame and keep away empty region, keep away empty region and be close to the bight setting of basin frame, keep away empty region intercommunication the magnetic circuit clearance, the centering disk and a part of skeleton is located keep away in the dead zone.
Further, the framework is welded on the centering support sheet.
Furthermore, the framework is made of aluminum.
Further, the skeleton includes connecting portion, extension and supporting part that link to each other, connecting portion with the centering brace is connected, the extension is located keep away in the empty region, the supporting part with the voice coil loudspeaker voice coil is connected.
Further, the supporting portion comprises a first supporting arm and a second supporting arm, and the first supporting arm and the second supporting arm are respectively connected with the bottom of the voice coil.
Furthermore, the extension part is Z-shaped, one end of the extension part is connected with the connecting part, and the other end of the extension part is connected with the supporting part.
Furthermore, the centering support piece and the framework are provided with conductive circuits which are mutually conducted, the basin frame is provided with a bonding pad which is conducted with the conductive circuits on the centering support piece, and the voice coil is electrically connected with the conductive circuits on the framework.
Further, the voice coil is connected with the framework in an adhesive mode.
Further, the diaphragm assembly comprises a middle paste and a sound film connected with the middle paste.
The beneficial effects of the utility model reside in that: the utility model provides a miniature speaker of big amplitude novel structure and stable performance, keep away the sky region and be located outside magnetic circuit to and communicate magnetic circuit clearance, the centering piece sets up in keeping away the space region, and is connected with the voice coil loudspeaker voice coil through the skeleton that is located on the centering piece, has avoided centering piece and magnetic circuit to take place to interfere the acoustic performance that influences the speaker.
Drawings
Fig. 1 is a schematic structural view of a large-amplitude micro speaker according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a centering pad and a voice coil according to a first embodiment of the present invention;
fig. 3 is a schematic structural view of a basin stand according to a first embodiment of the present invention.
Description of reference numerals:
1. a basin stand; 11. a void avoidance area; 2. a voice coil; 3. a centering support; 31. a framework; 311. a connecting portion; 312. an extension portion; 313. a first support arm; 314. a second support arm; 4. middle pasting; 41. a sound membrane; 5. A magnetic circuit system; 51. a magnetic circuit gap.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: the centering support piece is arranged outside the magnetic circuit system and in the clearance area communicated with the magnetic circuit gap, and the centering support piece is connected with the voice coil through the framework, so that the influence on the acoustic performance of the loudspeaker due to the interference of the centering support piece and the magnetic circuit system is effectively avoided.
Referring to fig. 1 to 3, a large-amplitude micro speaker includes a frame 1, and a magnetic circuit system 5 and a vibration system installed in the frame 1, where the vibration system includes a voice coil 2, a centering pad 3 and a vibrating diaphragm assembly, the magnetic circuit system 5 includes a magnetic circuit gap 51, the voice coil 2 is located in the magnetic circuit gap 51, and further includes a skeleton 31, one end of the skeleton 31 is connected to the voice coil 2, and the other end is connected to the centering pad 3, the centering pad 3 is connected to the frame 1, a void-avoiding region 11 is provided in the frame 1, the void-avoiding region 11 is disposed near a corner of the frame 1, the void-avoiding region 11 is communicated with the magnetic circuit gap 51, and the centering pad 3 and a part of the skeleton 31 are located in the void-avoiding region 11.
From the above description, the beneficial effects of the present invention are: the clearance area 11 is located outside the magnetic circuit system 5 and communicated with the magnetic circuit gap 51, the centering disk 3 is arranged in the clearance area 11 and is connected with the voice coil 2 through the framework 31 located on the centering disk 3, and the influence on the acoustic performance of the loudspeaker caused by the interference between the centering disk 3 and the magnetic circuit system 5 is avoided.
Further, the framework 31 is welded on the centering branch piece 3.
As can be seen from the above description, the framework 31 is connected with the centering branch piece 3 in a welding connection mode, so that the framework 31 is prevented from falling off in the vibration process, and the reliability of the whole structure is enhanced.
Further, the material of the framework 31 is aluminum.
As can be seen from the above description, the aluminum skeleton 31 has a small density and a light weight, and can effectively conduct vibration, thereby ensuring the stability of the acoustic performance of the speaker.
Further, the bobbin 31 includes a connecting portion 311, an extending portion 312, and a supporting portion connected to each other, the connecting portion 311 is connected to the centering support 3, the extending portion 312 is located in the clearance area 11, and the supporting portion is connected to the voice coil 2.
As can be seen from the above description, the connecting portion 311 and the extending portion 312 are located in the clearance area 11, so as to effectively avoid the magnetic circuit system 5, and avoid the loss of the acoustic performance of the speaker.
Further, the support portion includes a first support arm 313 and a second support arm 314, and the first support arm 313 and the second support arm 314 are respectively connected to the bottom of the voice coil 2.
As can be seen from the above description, the connection of the voice coil 2 in the bobbin 31 is more reliable due to the first support arm 313 and the second support arm, so that the performance failure of the speaker caused by the falling-off of the voice coil 2 is avoided.
Further, the extending portion 312 is in a zigzag shape, one end of which is connected to the connecting portion 311, and the other end of which is connected to the supporting portion.
As can be seen from the above description, the zigzag-shaped extension 312 is connected to the support portion, and can effectively support the voice coil 2 and prevent polarization of the voice coil 2.
Furthermore, the centering branch piece 3 and the framework 31 are provided with conductive circuits which are mutually conducted, the basin frame 1 is provided with a bonding pad which is conducted with the conductive circuit on the centering branch piece 3, and the voice coil 2 is electrically connected with the conductive circuit on the framework 31.
As can be seen from the above description, the provision of the conductive circuit realizes the electrical connection of the voice coil 2 with an external electrical appliance, ensures the normal energization of the voice coil 2, and effectively utilizes the space.
Further, the voice coil 2 is adhesively connected to the bobbin 31.
As can be seen from the above description, the voice coil 2 and the bobbin 31 are connected by gluing, so that the voice coil 2 and the bobbin 31 are more attached to each other, and vibration is effectively conducted.
Further, the diaphragm assembly includes a middle patch 4 and a sound membrane 41 connected to the middle patch 4.
As can be seen from the above description, the diaphragm assembly composed of the diaphragm 41 and the middle sticker 4 makes the sound quality of the speaker more natural, which is beneficial to enhancing the customer experience.
Example one
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: referring to fig. 1 and 3, a large-amplitude micro speaker includes a frame 1, and a magnetic circuit system 5 and a vibration system installed in the frame 1, where the vibration system includes a voice coil 2, a spider 3 and a diaphragm assembly, the magnetic circuit system 5 includes a magnetic circuit gap 51, the voice coil 2 is located in the magnetic circuit gap 51, the speaker further includes a frame 31, one end of the frame 31 is connected to the voice coil 2 by adhesive, the other end of the frame is welded to the spider 3 for better conducting vibration, the spider 3 is connected to the frame 1, a clearance area 11 is provided in the frame 1, the clearance area 11 is disposed near a corner of the frame 1, the clearance area 11 is communicated with the magnetic circuit gap 51, the spider 3 and a part of the frame 31 are located in the clearance area 11, the diaphragm assembly includes a middle sticker 4 and a sound membrane 41 connected to the middle sticker 4, specifically, be located centering disk 3, connecting block and skeleton 31 in the keep away empty region 11 have avoided magnetic circuit 5 effectively to avoided speaker performance loss, further promoted the stability of big amplitude micro loudspeaker's acoustic performance, voice coil loudspeaker voice coil 2 and skeleton 31 adopt adhesive connection's connected mode, make voice coil loudspeaker voice coil 2 with skeleton 31 laminates more, thereby conducts the vibration effectively, and the vibrating diaphragm subassembly of sound membrane 41 and well 4 constitutions makes the tone quality of speaker more natural, does benefit to reinforcing customer experience.
Preferably, referring to fig. 1 and fig. 2, the bobbin 31 includes a connecting portion 311, an extending portion 312, and a supporting portion, the connecting portion 311 is connected to the centering support 3, the extending portion 312 is located in the clearance region 11, and the supporting portion is connected to the voice coil 2, it is easy to understand that the connecting portion 311 and the extending portion 312 are located in the clearance region 11, so as to effectively avoid the magnetic circuit system 5, and avoid the loss of the acoustic performance of the speaker.
Preferably, the centering branch piece 3 with be equipped with the conducting wire that switches on each other on the skeleton 31, be equipped with on the basin frame 1 with the pad that conducting wire switched on the centering branch piece 3, voice coil loudspeaker voice coil 2 with conducting wire electricity on the skeleton 31 is connected, and is concrete, sets up the conducting wire and has realized the electric connection of voice coil loudspeaker voice coil 2 with external electrical apparatus, has ensured that voice coil loudspeaker voice coil 2 can normally be circular telegram to effectively utilized the space.
In this embodiment, please refer to fig. 2, the frame 31 is made of aluminum, the supporting portion includes a first supporting arm 313 and a second supporting arm 314, and the first supporting arm 313 and the second supporting arm 314 are respectively connected to the bottom of the voice coil 2; the extending portion 312 is in a zigzag shape, one end of which is connected to the connecting portion 311, and the other end of which is connected to the supporting portion; the conductive circuit conducts the centering branch piece 3, the connecting part 311, the extending part 312, the first support arm 313 and the voice coil 2, or the conductive circuit conducts the centering branch piece 3, the connecting part 311, the extending part 312, the second support arm 314 and the voice coil 2, specifically, the framework 31 made of aluminum has small density and light weight, can effectively conduct vibration, and ensures the stability of the acoustic performance of the loudspeaker; first support arm 313 with the second support arm makes voice coil loudspeaker voice coil 2 lie in the connection of skeleton 31 is more reliable, has avoided voice coil loudspeaker voice coil 2 to drop and has leaded to the speaker performance inefficacy, the extension 312 of Z style of calligraphy with the supporting part is connected, can support effectively voice coil loudspeaker voice coil 2 prevents the polarization of voice coil loudspeaker voice coil 2.
To sum up, the utility model provides a miniature speaker of big amplitude novel structure, stable performance, avoided centering support piece to interfere magnetic circuit effectively, avoided the miniature speaker performance loss of big amplitude effectively.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a miniature speaker of big amplitude, includes the basin frame and installs magnetic circuit and vibration system in the basin frame, vibration system includes voice coil loudspeaker voice coil, centering disk and vibrating diaphragm subassembly, magnetic circuit includes the magnetic circuit clearance, the voice coil loudspeaker voice coil is located in the magnetic circuit clearance, its characterized in that: still include the skeleton, skeleton one end with the voice coil loudspeaker voice coil is connected, the other end with the centering piece is connected, the centering piece is connected the basin frame, be equipped with in the basin frame and keep away the empty region, keep away the empty region and be close to the bight setting of basin frame, keep away the empty region intercommunication the magnetic circuit clearance, the centering piece and some of skeleton are located keep away in the empty region.
2. The large amplitude microspeaker of claim 1 wherein: the framework is welded on the centering support sheet.
3. The large amplitude microspeaker of claim 1 wherein: the framework is made of aluminum.
4. The large amplitude microspeaker of claim 1 wherein: the skeleton is including connecting portion, extension and the supporting part that links to each other, connecting portion with the centering support piece is connected, the extension is located keep away in the dead zone, the supporting part with the voice coil loudspeaker voice coil is connected.
5. The loud-amplitude microspeaker of claim 4 wherein: the supporting part comprises a first supporting arm and a second supporting arm, and the first supporting arm and the second supporting arm are respectively connected with the bottom of the voice coil.
6. The loud-amplitude microspeaker of claim 4 wherein: the extension part is Z-shaped, one end of the extension part is connected with the connecting part, and the other end of the extension part is connected with the supporting part.
7. The large amplitude microspeaker of claim 1 wherein: the voice coil is electrically connected with the conducting circuit on the framework.
8. The large amplitude microspeaker of claim 1 wherein: the voice coil is connected with the framework in an adhesive mode.
9. The large amplitude microspeaker of claim 1 wherein: the vibrating diaphragm component comprises a middle paste and a sound film connected with the middle paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020036680.3U CN211128179U (en) | 2020-01-08 | 2020-01-08 | Large-amplitude micro loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020036680.3U CN211128179U (en) | 2020-01-08 | 2020-01-08 | Large-amplitude micro loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211128179U true CN211128179U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020036680.3U Active CN211128179U (en) | 2020-01-08 | 2020-01-08 | Large-amplitude micro loudspeaker |
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| CN (1) | CN211128179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112165676A (en) * | 2020-10-22 | 2021-01-01 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production monomer and speaker |
-
2020
- 2020-01-08 CN CN202020036680.3U patent/CN211128179U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112165676A (en) * | 2020-10-22 | 2021-01-01 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production monomer and speaker |
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