CN219612013U - Speaker unit - Google Patents
Speaker unit Download PDFInfo
- Publication number
- CN219612013U CN219612013U CN202320226534.0U CN202320226534U CN219612013U CN 219612013 U CN219612013 U CN 219612013U CN 202320226534 U CN202320226534 U CN 202320226534U CN 219612013 U CN219612013 U CN 219612013U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- frame
- diaphragm
- basin frame
- vibration system
- 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.)
- Active
Links
Abstract
The utility model provides a loudspeaker unit which comprises a first basin frame, a second basin frame, a first vibration system, a second vibration system and a magnetic circuit system, wherein the second basin frame is fixed with the first basin frame and surrounds an accommodating space with the first basin frame, the first vibration system is supported on one side, far away from the second basin frame, of the first basin frame, the second vibration system is supported on one side, far away from the first basin frame, of the second basin frame, the magnetic circuit system is positioned in the accommodating space, the first vibration system comprises a first vibrating diaphragm and a first voice coil for driving the first vibrating diaphragm to vibrate and sound, the second vibration system comprises a second vibrating diaphragm and a second voice coil for driving the second vibrating diaphragm to vibrate and sound, a winding plane of the first voice coil and a winding plane of the second voice coil are parallel to the vibrating direction of the first vibrating diaphragm, and the first voice coil and the second voice coil form a central symmetrical structure by taking a central point of the loudspeaker unit as a center. Compared with the related art, the loudspeaker has the advantages that the size of the loudspeaker is narrower, the upper and lower amplitude is synchronous, the sound leakage preventing effect is good, the functions are various, and the two voice coils can be driven respectively to achieve the sensitivity superposition effect.
Description
[ field of technology ]
The utility model relates to the field of electroacoustic conversion, in particular to a back-to-back type loudspeaker unit.
[ background Art ]
The loudspeaker unit is also called a loudspeaker or a loudspeaker, and is applied to the sound box to convert the audio signal into sound for playing. As consumer demand for consumer electronics increases, speaker monomers are being given more demand.
The back-to-back type loudspeaker unit means that the loudspeaker unit is provided with two groups of vibration systems, and the two groups of vibration systems are arranged back-to-back. The back-to-back type loudspeaker unit in the related art comprises two vibrating diaphragms and two voice coils, wherein the two voice coils are arranged up and down, one large voice coil surrounds one small voice coil and is driven up and down respectively; in addition, a back-to-back type loudspeaker unit in the related art also comprises two vibrating diaphragms and two voice coils, wherein the two voice coils are vertically adhered to the vibrating diaphragms at two sides, only one side of the voice coils is in charge of conducting, and the upper vibrating diaphragm and the lower vibrating diaphragm vibrate in the same direction.
Therefore, it is necessary to provide a new speaker unit to solve the above-mentioned problems.
[ utility model ]
The utility model aims to provide a speaker monomer with narrow size, diversified functions and high sensitivity.
In order to achieve the above object, the present utility model provides a speaker unit, which includes a first frame, a second frame fixed to the first frame and surrounding an accommodating space with the first frame, a first vibration system supported on one side of the first frame away from the second frame, a second vibration system supported on one side of the second frame away from the first frame, and a magnetic circuit system located in the accommodating space, wherein the first vibration system includes a first diaphragm and a first voice coil fixed to the first diaphragm to drive the first diaphragm to vibrate and sound, the second vibration system includes a second diaphragm and a second voice coil fixed to the second diaphragm to drive the second diaphragm to vibrate and sound, a winding plane of the first voice coil and a winding plane of the second voice coil are parallel to a vibration direction of the first diaphragm, and the first voice coil and the second voice coil form a center symmetrical structure with a center point of the speaker unit as a center.
Preferably, the magnetic circuit system comprises a pair of first magnetic steels which are arranged at intervals to form a first magnetic gap and a pair of second magnetic steels which are arranged at intervals to form a second magnetic gap, the first voice coil is inserted into the first magnetic gap, and the second voice coil is inserted into the second magnetic gap.
Preferably, the first magnetic steel and the second magnetic steel are arranged in a flush mode.
Preferably, the magnetic circuit system further comprises a first pole core connected to one side of the first magnetic steel and one side of the second magnetic steel, which are close to the first vibrating diaphragm, and a second pole core connected to one side of the first magnetic steel and one side of the second magnetic steel, which are close to the second vibrating diaphragm.
Preferably, the first pole core is provided with a first through groove for avoiding the first voice coil and the second voice coil, and the second pole core is provided with a second through groove for avoiding the first voice coil and the second voice coil.
Preferably, the first pole core is embedded and fixed on the first basin frame, and the second pole core is embedded and fixed on the second basin frame.
Preferably, the first vibration system further comprises a first circuit board arranged between the first basin frame and the first vibrating diaphragm, the first circuit board comprises a first fixing part fixed with the first basin frame, a second fixing part fixed with the first vibrating diaphragm and a first connecting part connected with the first fixing part and the second fixing part, the first voice coil is fixed with the first vibrating diaphragm through the second fixing part, the second vibration system further comprises a second circuit board arranged between the second basin frame and the second vibrating diaphragm, and the second circuit board comprises a third fixing part fixed with the second basin frame, a fourth fixing part fixed with the second vibrating diaphragm and a second connecting part connected with the third fixing part and the fourth fixing part, and the second voice coil is fixed with the second vibrating diaphragm through the fourth fixing part.
Preferably, the speaker unit further includes a first pin embedded in the first frame to electrically connect the first circuit board and the external circuit, and a second pin embedded in the second frame to electrically connect the second circuit board and the external circuit.
Compared with the prior art, the loudspeaker single body comprises a first basin frame, a second basin frame, a first vibration system, a second vibration system and a magnetic circuit system, wherein the second basin frame is fixed with the first basin frame and surrounds an accommodating space with the first basin frame, the first vibration system is supported on one side, far away from the second basin frame, of the first basin frame, the second vibration system is supported on one side, far away from the first basin frame, of the second basin frame, the magnetic circuit system is positioned in the accommodating space, the first vibration system comprises a first vibrating diaphragm and a first voice coil fixed with the first vibrating diaphragm to drive the first vibrating diaphragm to vibrate and sound, the second vibration system comprises a second vibrating diaphragm and a second voice coil fixed with the second vibrating diaphragm to drive the second vibrating diaphragm to vibrate and sound, a winding plane of the first voice coil and a winding plane of the second voice coil are parallel to a vibrating direction of the first vibrating diaphragm, and a central symmetrical structure is formed by taking a central point of the loudspeaker single body as a center. The two voice coils of the loudspeaker single body are respectively adhered to the diaphragms at the two sides, the two voice coils respectively drive the two diaphragms, the size of the loudspeaker single body can be narrowed, the upper and lower amplitude is synchronous, the sound leakage prevention effect is good, the functions are various, the two voice coils can be respectively driven, and the sensitivity superposition effect is achieved.
[ description of the drawings ]
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
fig. 1 is a schematic perspective view of a speaker unit according to the present utility model;
FIG. 2 is a partially exploded view of the speaker unit shown in FIG. 1;
fig. 3 is an exploded view of the speaker unit shown in fig. 1;
fig. 4 is a cross-sectional view taken along line A-A of fig. 1.
[ detailed description ] of the utility model
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a speaker unit 100, which includes a first frame 11, a second frame 12 fixed to the first frame 11 and enclosing an accommodating space 10 with the first frame 11, a first vibration system 21 supported on a side of the first frame 11 away from the second frame 12, a second vibration system 22 supported on a side of the second frame 12 away from the first frame 11, a magnetic circuit system 3 located in the accommodating space 10, a first pin 41 embedded in the first frame 11, and a second pin 42 embedded in the second frame 12. The magnetic circuit system 3 drives the first vibration system 21 and the second vibration system 22 to vibrate and sound. The speaker unit 100 has a rectangular shape.
The first frame 11 is a rectangular ring-shaped hollow structure, the first frame 11 includes a ring-shaped first body portion 111 and first supporting portions 112 extending from the first body portion 111, and the first supporting portions 112 are plural and arranged at intervals.
The second frame 12 has a rectangular ring-shaped hollow structure similar to the first frame 11, and the second frame 12 includes a ring-shaped second body portion 121 and second supporting portions 122 extending from the second body portion 121, and the second supporting portions 122 are plural and arranged at intervals. The second supporting portion 122 is fixed in contact with the first supporting portion 112.
The first vibration system 21 includes a first diaphragm 211, a first voice coil 212 fixed to the first diaphragm 211 to drive the first diaphragm 211 to vibrate and sound, and a first circuit board 213 disposed between the first frame 11 and the first diaphragm 211. The first diaphragm 211 has a first dome 2111 and a first ring 2112 having a ring shape, the first ring 2112 is disposed around the first dome 2111, and the first ring 2112 includes a first end portion 2113 fixed to the first body portion 111 of the first frame 11, a second end portion 2114 fixed to the first dome 2111, and a first ring portion 2115 connecting the first end portion 2113 and the second end portion 2114. The first voice coil 212 is vertically disposed, that is, a winding plane of the first voice coil 212 is parallel to a vibration direction of the first diaphragm 211. The first circuit board 213 includes a first fixing portion 2131 fixed to the first frame 11, a second fixing portion 2132 fixed to the first diaphragm 211, and a first connecting portion 2133 connecting the first fixing portion 2131 and the second fixing portion 2132. The first fixing portion 2131 is annular and is clamped between the first frame 11 and the first end portion 2113 of the first ring 2112, the second fixing portion 2132 is elongated and is attached to the first dome 2111, the first voice coil 212 is fixed to the first diaphragm 211 by the second fixing portion 2132, and the first connecting portion 2133 is located at the position of the first ring 2115.
The second vibration system 22 has the same structure as the first vibration system 21, and the second vibration system 22 includes a second diaphragm 221, a second voice coil 222 fixed to the second diaphragm 221 to drive the second diaphragm 221 to vibrate and sound, and a second circuit board 223 disposed between the second frame 12 and the second diaphragm 221. The second diaphragm 221 has a downward sound emitting direction, the second diaphragm 221 includes a second dome 2211 and a second annular ring 2212, the second ring 2212 is disposed around the second dome 2211, and the second ring 2212 includes a third end portion 2213 fixed to the second body portion 121 of the second frame 12, a fourth end portion 2214 fixed to the second dome 2211, and a second ring portion 2215 connected to the third end portion 2113 and the fourth end portion 2214. The second voice coil 222 is vertically disposed, that is, a winding plane of the second voice coil 222 is parallel to the vibration direction of the second diaphragm 221, the first voice coil 212 and the second voice coil 222 form a central symmetrical structure with a center point of the speaker unit 100 as a center, and the first voice coil 212 and the second voice coil 222 are projected on a straight line along the vibration direction. The second circuit board 223 includes a third fixing portion 2231 fixed to the second frame 12, a fourth fixing portion 2232 fixed to the second diaphragm 221, and a second connecting portion 2233 connecting the third fixing portion 2231 and the fourth fixing portion 2232. The third fixing portion 2231 is annular and is clamped between the second frame 12 and the third end portion 2213 of the second ring 2212, the fourth fixing portion 2232 is elongated and is attached to the second dome 2211, the second voice coil 222 is fixed to the second diaphragm 221 by the fourth fixing portion 2232, and the second connecting portion 2233 is located at the position of the second ring portion 2215.
The magnetic circuit 3 includes a pair of first magnetic steels 31 disposed at intervals to form a first magnetic gap 310, a pair of second magnetic steels 32 disposed at intervals to form a second magnetic gap 320, a first pole core 33 connected to the first magnetic steels 31 and the second magnetic steels 32 near the first diaphragm 211, and a second pole core 34 connected to the first magnetic steels 31 and the second magnetic steels 32 near the second diaphragm 221. The first voice coil 212 is inserted into the first magnetic gap 310, the second voice coil 222 is inserted into the second magnetic gap 320, and the first magnetic steel 31 and the second magnetic steel 32 are arranged flush. The first pole core 33 is embedded and fixed in the first basin frame 11, and the second pole core 34 is embedded and fixed in the second basin frame 12. The first pole core 33 is provided with a first through groove 331 for avoiding the first voice coil 212 and the second voice coil 222, the second pole core 34 is provided with a second through groove 341 for avoiding the first voice coil 212 and the second voice coil 222, and the first through groove 331 can be of a strip structure or a plurality of through grooves which are arranged at intervals and can simultaneously avoid the two voice coils. Similarly, the second through groove 341 may have a strip structure, or may be a plurality of through grooves that are disposed at intervals and can simultaneously avoid two voice coils.
The first pins 41 electrically connect the first circuit board 213 with an external circuit, and the second pins 42 electrically connect the second circuit board 223 with an external circuit.
Compared with the prior art, the loudspeaker single body comprises a first basin frame, a second basin frame, a first vibration system, a second vibration system and a magnetic circuit system, wherein the second basin frame is fixed with the first basin frame and surrounds an accommodating space with the first basin frame, the first vibration system is supported on one side, far away from the second basin frame, of the first basin frame, the second vibration system is supported on one side, far away from the first basin frame, of the second basin frame, the magnetic circuit system is positioned in the accommodating space, the first vibration system comprises a first vibrating diaphragm and a first voice coil fixed with the first vibrating diaphragm to drive the first vibrating diaphragm to vibrate and sound, the second vibration system comprises a second vibrating diaphragm and a second voice coil fixed with the second vibrating diaphragm to drive the second vibrating diaphragm to vibrate and sound, a winding plane of the first voice coil and a winding plane of the second voice coil are parallel to a vibrating direction of the first vibrating diaphragm, and a central symmetrical structure is formed by taking a central point of the loudspeaker single body as a center. The two voice coils of the loudspeaker single body are respectively adhered to the diaphragms at the two sides, the two voice coils respectively drive the two diaphragms, the size of the loudspeaker single body can be narrowed, the upper and lower amplitude is synchronous, the sound leakage prevention effect is good, the functions are various, the two voice coils can be respectively driven, and the sensitivity superposition effect is achieved.
While the utility model has been described with respect to the above embodiments, it should be noted that modifications can be made by those skilled in the art without departing from the inventive concept, and these are all within the scope of the utility model.
Claims (8)
1. The utility model provides a speaker monomer, its includes first basin frame, with first basin frame is fixed and with first basin frame encloses into accommodation space's second basin frame, support in first basin frame keep away from the first vibration system of second basin frame one side, support in second basin frame keep away from second vibration system and being located of first basin frame one side magnetic circuit in accommodation space, first vibration system include first vibrating diaphragm and with first vibrating diaphragm is fixed with the first voice coil loudspeaker voice coil of drive first vibrating diaphragm vibration sound production, second vibration system include the second vibrating diaphragm and with the second vibrating diaphragm is fixed with the drive second vibrating diaphragm vibration sound production's second voice coil loudspeaker voice coil, its characterized in that: the winding planes of the first voice coil and the second voice coil are parallel to the vibration direction of the first vibrating diaphragm, and the first voice coil and the second voice coil form a central symmetrical structure by taking the central point of the loudspeaker unit as the center.
2. The speaker unit of claim 1, wherein the magnetic circuit comprises a pair of first magnetic steels arranged at intervals to form a first magnetic gap and a pair of second magnetic steels arranged at intervals to form a second magnetic gap, the first voice coil being inserted in the first magnetic gap, the second voice coil being inserted in the second magnetic gap.
3. The speaker unit of claim 2, wherein the first magnetic steel is disposed flush with the second magnetic steel.
4. The speaker unit of claim 3, wherein the magnetic circuit system further comprises a first pole core connected to a side of the first magnetic steel and the second magnetic steel, which is close to the first diaphragm, and a second pole core connected to a side of the first magnetic steel and the second magnetic steel, which is close to the second diaphragm.
5. The speaker unit of claim 4, wherein the first pole piece is provided with a first through slot for avoiding the first voice coil and the second voice coil, and the second pole piece is provided with a second through slot for avoiding the first voice coil and the second voice coil.
6. The speaker unit of claim 4, wherein the first pole piece is embedded in and secured to the first frame and the second pole piece is embedded in and secured to the second frame.
7. The speaker unit according to claim 1, wherein the first vibration system further includes a first circuit board disposed between the first frame and the first diaphragm, the first circuit board includes a first fixing portion fixed to the first frame, a second fixing portion fixed to the first diaphragm, and a first connecting portion connecting the first fixing portion and the second fixing portion, the first voice coil is fixed to the first diaphragm through the second fixing portion, the second vibration system further includes a second circuit board disposed between the second frame and the second diaphragm, the second circuit board includes a third fixing portion fixed to the second frame, a fourth fixing portion fixed to the second diaphragm, and a second connecting portion connecting the third fixing portion and the fourth fixing portion, and the second voice coil is fixed to the second diaphragm through the fourth fixing portion.
8. The speaker unit of claim 7, further comprising a first pin embedded in the first frame to electrically connect the first circuit board to an external circuit and a second pin embedded in the second frame to electrically connect the second circuit board to an external circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320226534.0U CN219612013U (en) | 2023-02-16 | 2023-02-16 | Speaker unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320226534.0U CN219612013U (en) | 2023-02-16 | 2023-02-16 | Speaker unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219612013U true CN219612013U (en) | 2023-08-29 |
Family
ID=87741307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320226534.0U Active CN219612013U (en) | 2023-02-16 | 2023-02-16 | Speaker unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219612013U (en) |
-
2023
- 2023-02-16 CN CN202320226534.0U patent/CN219612013U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8649550B2 (en) | Multi-magnet system and speaker using same | |
| US7480392B2 (en) | Plate type speaker using horizontal vibration voice coil | |
| US10979821B2 (en) | Sound generator | |
| CN111405431B (en) | Sound production device and loudspeaker box thereof | |
| WO2020024669A1 (en) | Loudspeaker | |
| CN110418257B (en) | Sound producing device | |
| CN208638690U (en) | Loudspeaker | |
| WO2020140545A1 (en) | Sound generating device | |
| CN216391402U (en) | Loudspeaker | |
| CN109379680B (en) | Sound production device | |
| WO2020024661A1 (en) | Loudspeaker | |
| US8649549B2 (en) | Speaker | |
| CN109275075B (en) | Sound production device | |
| CN117082416B (en) | Sounding device | |
| CN213073082U (en) | Loudspeaker | |
| CN117395573A (en) | Sounding device | |
| CN218976534U (en) | Vibration motor | |
| CN219612013U (en) | Speaker unit | |
| CN108540908B (en) | Sounding device | |
| CN216391401U (en) | Loudspeaker | |
| CN216491033U (en) | Loudspeaker | |
| CN219612023U (en) | Speaker unit | |
| KR20050054653A (en) | Voice coil plate for plane speaker | |
| CN219499533U (en) | Speaker unit | |
| CN219612015U (en) | Speaker unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |