CN209787428U - Rectangular micro loudspeaker unit - Google Patents
Rectangular micro loudspeaker unit Download PDFInfo
- Publication number
- CN209787428U CN209787428U CN201920738404.9U CN201920738404U CN209787428U CN 209787428 U CN209787428 U CN 209787428U CN 201920738404 U CN201920738404 U CN 201920738404U CN 209787428 U CN209787428 U CN 209787428U
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- voice coil
- rectangular
- bracket
- coil loudspeaker
- loudspeaker voice
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Abstract
The utility model relates to a miniature speaker monomer of rectangle, it is including: the rectangular bracket is provided with two bracket long sides and two bracket short sides; a magnetic return structure combined with the rectangular bracket and provided with a magnetic gap; a rectangular diaphragm, combine in this rectangle support: a rectangle voice coil, have two voice coil loudspeaker voice coil long limits, two voice coil loudspeaker voice coil minor faces and four voice coil loudspeaker voice coil fillet limits, and combine in this rectangle diaphragm below and be located this magnetic gap: and a pair of upward play ripples, the symmetry combine in this support minor face, this voice coil loudspeaker voice coil minor face and this voice coil loudspeaker voice coil fillet limit bottom edge, and each should go up play ripples and have an upper bracket joint portion relatively this support minor face, and have a voice coil loudspeaker voice coil joint portion relatively this voice coil loudspeaker voice coil minor face and this voice coil loudspeaker voice coil fillet limit, and have the fretwork connecting portion between this support joint portion and this voice coil loudspeaker voice coil joint portion. Therefore, the problem that the two short sides of the voice coil vibrate asynchronously in the prior art is solved, and the effect of utilizing elastic waves to enable the reciprocating vibration of the voice coil to maintain the vertical axial direction is achieved.
Description
Technical Field
The present invention relates to a rectangular micro speaker unit, and more particularly to a design for improving the stability of the voice coil reciprocating vibration by means of at least one elastic wave by combining the short side of a rectangular bracket with the bottom surface of the short side of a rectangular voice coil.
Background
Because the micro-speaker is usually in a long strip shape, the situation that the left and right sides (short sides) of the voice coil vibrate asynchronously is easy to occur, so that the problem of obvious distortion is caused, and particularly, under the condition of high power, the problem that the reciprocating vibration of the voice coil cannot maintain the vertical axial direction is more serious.
SUMMERY OF THE UTILITY MODEL
in order to solve the problem that the two short sides of the voice coil are easy to vibrate asynchronously in the prior art, the utility model provides a rectangular micro loudspeaker unit which has the effect of maintaining the vertical axial direction of the reciprocating vibration of the voice coil by utilizing the elastic wave; has the effect of elastic wave and signal connection.
The utility model provides a technical scheme that its technical problem adopted is:
A rectangular micro-speaker cell, comprising: the rectangular bracket is provided with two bracket long sides and two bracket short sides; a magnetic return structure combined with the rectangular bracket and provided with a magnetic gap; a rectangular diaphragm, combine in this rectangle support: a rectangle voice coil, have two voice coil loudspeaker voice coil long limits, two voice coil loudspeaker voice coil minor faces and four voice coil loudspeaker voice coil fillet limits, and combine in this rectangle diaphragm below and be located this magnetic gap: and a pair of upward play ripples, the symmetry combine in this support minor face, this voice coil loudspeaker voice coil minor face and this voice coil loudspeaker voice coil fillet limit bottom edge, and each should go up play ripples and have an upper bracket joint portion relatively this support minor face, and have a voice coil loudspeaker voice coil joint portion relatively this voice coil loudspeaker voice coil minor face and this voice coil loudspeaker voice coil fillet limit, and have the fretwork connecting portion between this support joint portion and this voice coil loudspeaker voice coil joint portion.
In addition, the pair of upper elastic waves are made of flexible printed circuit boards, and further voice coil lead electrical contacts extend from the upper voice coil combining part, and sound source signal electrical contacts are formed on the bottom surface of the upper support combining part. Furthermore, a pair of lower elastic waves are symmetrically combined on the bottom edges of the short sides of the support and the short sides of the voice coil, each lower elastic wave is provided with a lower support combining part corresponding to the short sides of the support, a lower voice coil combining part corresponding to the short sides of the voice coil, and a lower arch connecting part is arranged between the lower support combining part and the lower voice coil combining part. The magnetic return structure is provided with a rectangular main magnet on the top surface of a lower magnetic conducting piece, an upper magnetic conducting plate is arranged on the top surface of the rectangular main magnet, and the lower magnetic conducting piece is provided with a sunken step relative to the lower arch connecting part. The magnetic return structure is also provided with a pair of long-edge auxiliary magnets on the top surface of the lower magnetic conduction piece, and the top surfaces of the long-edge auxiliary magnets are respectively provided with an upper long-edge magnetic conduction piece. The bottom surface of the short side of the support is provided with a positioning column, the upper support combining part is provided with a positioning hole relative to the positioning column, and the lower support combining part is provided with an avoiding notch relative to the positioning column. The pair of lower elastic waves are made of polymer material plates. The pair of lower elastic waves are made of PET, PEN, PI or PEEK polymer material plates.
Therefore, the stability of the reciprocating vibration of the voice coil is improved by at least one elastic wave by utilizing the upper elastic wave and the lower elastic wave which are combined on the short side of the rectangular support and the bottom surface of the short side of the rectangular voice coil.
the utility model has the advantages that the utility model has the efficacy of maintaining the vertical axial direction of the reciprocating vibration of the voice coil by using the elastic wave; has the effect of elastic wave and signal connection.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a top exploded view of the structure of the present invention (with the diaphragm omitted).
Fig. 2 is a bottom combined view (omitting the diaphragm) of the structure of the present invention.
Fig. 3 is a top exploded view of the structure of the present invention.
Fig. 4 is a top exploded view of the structure of the present invention (the lower magnetic conductive member is omitted).
Fig. 5 is a structural sectional view of the present invention.
The reference numbers in the figures illustrate:
10 rectangular support
11 Long side of the support
12 short side of support
121 positioning column
20 magnetic loop structure
21 magnetic gap
22 lower magnetic conduction piece
221 sinking step
23 rectangle main magnet
24 long side pair magnet
25 upper magnetic conductive plate
26 upper long edge magnetic conductive sheet
30 rectangular diaphragm
40 rectangular voice coil
41 Voice coil Long side
42 voice coil short side
43 voice coil round corner edge
Elastic wave of 50
51 upper bracket joint part
511 locating hole
52 voice coil joint
53 hollow-out connecting part
54 voice coil lead wire electric contact
55 audio signal electrical contact
60-down elastic wave
61 lower bracket joint part
611 avoiding gap
62 lower voice coil joint
63 lower arch connecting part
Detailed Description
First, referring to fig. 1 to 5, the present invention includes: a rectangular support 10 having two long sides 11 and two short sides 12, the bottom of the short side 12 having positioning posts 121; a magnetic loop structure 20, which is combined with the rectangular bracket 10 and has a magnetic gap 21, wherein the magnetic loop structure 20 is provided with a rectangular main magnet 23 and a pair of long-side auxiliary magnets 24 on the top surface of a lower magnetic conducting piece 22, the top surface of the rectangular main magnet 23 is provided with an upper magnetic conducting plate 25, and the top surface of each long-side auxiliary magnet 24 is provided with an upper long-side magnetic conducting piece 26; a rectangular diaphragm 30, which is combined with the rectangular support 10: a rectangular voice coil 40 having two long voice coil sides 41, two short voice coil sides 42 and four round voice coil sides 43, and combined below the rectangular diaphragm 30 and located in the magnetic gap 21: a pair of upper elastic waves 50 symmetrically combined on the bottom edges of the support short side 12, the voice coil short side 42 and the voice coil round corner side 43, each upper elastic wave 50 having an upper support combining part 51 corresponding to the support short side 12, the upper support combining part 51 having a positioning hole 511 corresponding to the positioning post 121, and having an upper voice coil combining part 52 corresponding to the voice coil short side 42 and the voice coil round corner side 43, and a hollow connecting part 53 between the support combining part 51 and the voice coil combining part 52, the pair of upper elastic waves 50 being made of a flexible printed circuit board, and further extending a voice coil lead electrical contact 54 from the upper voice coil combining part 52, and forming a voice source signal electrical contact 55 on the bottom surface of the upper support combining part: and a pair of lower elastic waves 60 symmetrically combined with the bottom edges of the support short side 12 and the voice coil short side 42, each lower elastic wave 60 having a lower support combining part 61 corresponding to the support short side 12, the lower support combining part 61 having an avoidance notch 611 corresponding to the positioning column 121, and a lower voice coil combining part 62 corresponding to the voice coil short side 42, and a lower arch connecting part 63 between the lower support combining part 61 and the lower voice coil combining part 62, and making the lower magnetic conductive member 22 having a sinking step 221 corresponding to the lower arch connecting part, the pair of lower elastic waves 60 being made of a PET, PEN, PI or PEEK high polymer material plate.
Based on foretell constitution, the utility model discloses bullet ripples 50 and bullet ripples 60 down are combined on the short avris of rectangular support 10 and the short avris bottom surface of rectangle voice coil loudspeaker voice coil 40, borrow by at least one bullet ripples and promote voice coil loudspeaker voice coil reciprocating vibration's stability, and have and utilize the reciprocal vibration that bullet ripples made the voice coil loudspeaker voice coil to maintain vertical axial efficiency: in addition, the upper damper 50 is further formed with voice coil lead electrical contacts 54 and audio source signal electrical contacts 55 at predetermined positions, so that the externally input signal can be electrically connected to the voice coil 40 through the upper damper 50, and the damper has the effect of signal connection.
the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments still fall within the scope of the technical solution of the present invention.
Claims (8)
1. A rectangular microspeaker unit, comprising:
The rectangular bracket is provided with two bracket long sides and two bracket short sides;
A magnetic return structure combined with the rectangular bracket and provided with a magnetic gap;
a rectangular diaphragm, combine in this rectangle support:
A rectangle voice coil, have two voice coil loudspeaker voice coil long limits, two voice coil loudspeaker voice coil minor faces and four voice coil loudspeaker voice coil fillet limits, and combine in this rectangle diaphragm below and be located this magnetic gap: and
A pair of play ripples, the symmetry combines in this support minor face, this voice coil loudspeaker voice coil minor face and this voice coil loudspeaker voice coil fillet limit bottom edge, and each should go up play ripples and have an upper bracket joint portion relatively this support minor face, and has a voice coil loudspeaker voice coil joint portion relatively this voice coil loudspeaker voice coil minor face and this voice coil loudspeaker voice coil fillet limit, and has the fretwork connecting portion between this support joint portion and this voice coil loudspeaker voice coil joint portion.
2. The rectangular micro-speaker unit as claimed in claim 1, wherein the pair of upper springs are made of flexible printed circuit board, and further voice coil lead electrical contacts extend from the upper voice coil connection portion, and audio signal electrical contacts are formed on the bottom surface of the upper support connection portion.
3. The rectangular micro-speaker cell as claimed in claim 1 or 2, further comprising a pair of bottom suspension arms symmetrically coupled to the short sides of the frame and the bottom edges of the short sides of the voice coil, each of the bottom suspension arms having a bottom frame coupling portion with respect to the short sides of the frame and a bottom voice coil coupling portion with respect to the short sides of the voice coil, and a bottom arch connecting portion between the bottom frame coupling portion and the bottom voice coil coupling portion.
4. The rectangular micro-speaker cell as claimed in claim 3, wherein the magnetic loop structure has a rectangular main magnet on a top surface of a lower magnetic conductive member, the rectangular main magnet having an upper magnetic conductive plate on the top surface, and the lower magnetic conductive member having a depressed step with respect to the lower arch connecting portion.
5. The rectangular micro-speaker unit as claimed in claim 4, wherein the magnetic loop structure further comprises a pair of long-side auxiliary magnets on the top surface of the lower magnetic conducting member, and each long-side auxiliary magnet is provided with an upper long-side magnetic conducting plate on the top surface thereof.
6. The rectangular micro-speaker unit as claimed in claim 3, wherein the bottom surface of the short side of the bracket has a positioning post, and the upper bracket combining portion has a positioning hole corresponding to the positioning post, and the lower bracket combining portion has an avoiding notch corresponding to the positioning post.
7. the rectangular micro-speaker cell as claimed in claim 3, wherein the pair of lower elastic waves are made of a polymer material plate.
8. The rectangular micro-speaker cell of claim 6, wherein the pair of bottom suspension springs are made of a sheet of PET, PEN, PI or PEEK polymer material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920738404.9U CN209787428U (en) | 2019-05-22 | 2019-05-22 | Rectangular micro loudspeaker unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920738404.9U CN209787428U (en) | 2019-05-22 | 2019-05-22 | Rectangular micro loudspeaker unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209787428U true CN209787428U (en) | 2019-12-13 |
Family
ID=68805542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920738404.9U Active CN209787428U (en) | 2019-05-22 | 2019-05-22 | Rectangular micro loudspeaker unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209787428U (en) |
-
2019
- 2019-05-22 CN CN201920738404.9U patent/CN209787428U/en active Active
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| GR01 | Patent grant |