CN220874731U - Single-magnet double-magnetic-circuit ultrathin coaxial loudspeaker unit - Google Patents
Single-magnet double-magnetic-circuit ultrathin coaxial loudspeaker unit Download PDFInfo
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- CN220874731U CN220874731U CN202322676851.5U CN202322676851U CN220874731U CN 220874731 U CN220874731 U CN 220874731U CN 202322676851 U CN202322676851 U CN 202322676851U CN 220874731 U CN220874731 U CN 220874731U
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- 239000012528 membrane Substances 0.000 claims description 16
- 230000009977 dual effect Effects 0.000 claims 7
- 230000000694 effects Effects 0.000 abstract description 7
- 239000004020 conductor Substances 0.000 description 9
- 238000005452 bending Methods 0.000 description 4
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of speakers, in particular to a single-magnet double-magnetic-circuit ultrathin coaxial speaker unit which comprises a U-shaped magnetizer, an annular permanent magnet, an annular magnetizer, a cylindrical magnetizer, a high-pitched module and a middle-low-pitched module, wherein the middle-low-pitched module is provided with a middle-low-pitched voice coil, the high-pitched module, the annular permanent magnet and the annular magnetizer are all arranged in the U-shaped magnetizer, the annular magnetizer is arranged at the top of the annular permanent magnet, the annular magnetizer and the annular permanent magnet are both provided with through holes, and the cylindrical magnetizer is arranged on the inner bottom surface of the U-shaped magnetizer and is positioned in the through holes. The utility model skillfully utilizes the magnetic field principle, and the U-shaped magnetizer, the annular permanent magnet and the annular magnetizer form a first magnetic loop by designing the cylindrical magnetizer; the annular magnetizer, the annular permanent magnet and the cylindrical magnetizer form a second magnetic loop; the two magnetic loops respectively drive the middle bass module and the high bass module to vibrate, so that the effect of double magnetic circuits is realized by one permanent magnet, and the structure is simplified.
Description
Technical Field
The utility model relates to the technical field of speakers, in particular to a single-magnet double-magnetic-circuit ultrathin coaxial speaker unit.
Background
The double-magnetic-circuit coaxial loudspeaker is provided with two magnetic circuit units which are respectively used for driving the corresponding voice coils to vibrate so as to realize the effects of middle bass and high bass.
The chinese utility model patent No. 202220069625.3 discloses a double magnetic circuit coaxial speaker, which has the following characteristics: the two magnetic circuits are respectively provided with the corresponding annular permanent magnet and the corresponding magnetizer, namely, the two magnetic circuits are mutually independent systems, so that the overall structure of the loudspeaker is complex, and the cost and the height of the loudspeaker cannot be further reduced.
Disclosure of utility model
The utility model provides a single-magnet double-magnetic-circuit ultrathin coaxial loudspeaker unit aiming at the problems of the prior art, and the effect of simplifying the structure is realized by sharing part members of two magnetic circuits.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a U-shaped magnetic conductor, an annular permanent magnet, an annular magnetic conductor, a cylindrical magnetic conductor, a high-pitch module and a middle-low-pitch module, wherein the middle-low-pitch module is provided with a middle-low-pitch voice coil, the high-pitch module, the annular permanent magnet and the annular magnetic conductor are all arranged in the U-shaped magnetic conductor, the annular magnetic conductor is arranged at the top of the annular permanent magnet, the annular magnetic conductor and the annular permanent magnet are both provided with through holes, and the cylindrical magnetic conductor is arranged on the inner bottom surface of the U-shaped magnetic conductor and positioned in the through holes;
the U-shaped magnetizer, the annular permanent magnet and the annular magnetizer form a first magnetic loop for driving the middle-bass module to vibrate; the annular magnetizer, the annular permanent magnet and the cylindrical magnetizer form a second magnetic loop for driving the high-pitch module to vibrate.
Further, a first sinking table is arranged at the top of the U-shaped magnetizer, and the cylindrical magnetizer is adhered to the first sinking table.
Further, the middle bass module further comprises a middle bass carcass, a ring folding piece, a middle bass outer frame and a middle bass inner support, a gap is reserved between the annular magnetizer and the U-shaped magnetizer, a middle bass voice coil is arranged in the gap, a second sinking table is arranged on the outer side of the U-shaped magnetizer, the middle bass outer frame is arranged on the second sinking table, the middle bass inner support is arranged on the annular magnetizer and the high bass module, the middle bass carcass is connected with the middle bass voice coil and the ring folding piece, and the ring folding piece is bonded with the middle bass outer frame and the middle bass inner support.
Further, the ring folding piece is provided with an inner ring and an outer ring, the inner ring is positioned in the outer ring, the outer ring is fixed on the middle bass outer frame, and the inner ring and the middle bass inner bracket are fixed; the plane of the connection part of the inner folding ring and the outer folding ring is connected with the middle bass carcass;
The outer folding ring and the inner folding ring are matched to control the piston movement of the middle-bass voice coil.
Further, the middle bass body is in a flat plate shape, the middle bass body is downwards sunken to form a groove, and the middle bass voice coil is adhered to the outer wall of one side of the groove.
Further, the high-pitch module comprises a high-pitch bracket and a sound membrane component, wherein the high-pitch bracket is arranged on the sinking platform plane of the annular magnetizer, and the sound membrane component is fixed on the high-pitch bracket.
Further, the sound membrane assembly comprises a high-pitch voice coil and Gao Yinyin membranes, the high-pitch voice membrane is fixed on the high-pitch bracket, one end of the high-pitch voice coil is fixed between the cylindrical magnetizer and the annular magnetizer, and the other end of the high-pitch voice coil is fixed on the Gao Yinyin membranes.
The utility model has the beneficial effects that: the utility model skillfully utilizes the magnetic field principle, and the U-shaped magnetizer, the annular permanent magnet and the annular magnetizer form a first magnetic loop by arranging the cylindrical magnetizer. The annular magnetizer, the annular permanent magnet and the cylindrical magnetizer form a second magnetic loop, and the two magnetic loops respectively drive the middle bass module and the high bass module to vibrate, so that the effect of double magnetic circuits is realized by one permanent magnet, and the structure is simplified.
Meanwhile, compared with the existing coaxial loudspeaker with the same-diameter middle-bass voice coil, the utility model saves one permanent magnet. The rare earth resource is not renewable in the material of the permanent magnet, so the design saves the cost and simultaneously saves the rare earth resource for the country.
Meanwhile, the high-pitch magnetic loop is completely arranged in the middle of the low-pitch magnetic loop, the high-pitch magnetic loop and the low-pitch magnetic loop are completely overlapped, the central lines of the winding parts of the middle low-pitch voice coil and the high-pitch voice coil are positioned on the same horizontal plane, the height of the coaxial loudspeaker is effectively reduced, and the structural design of a finished product of the loudspeaker box is facilitated.
Drawings
FIG. 1 is a schematic diagram of the present utility model.
Fig. 2 is an enlarged view at a of fig. 1.
Fig. 3 is an enlarged view at B of fig. 1.
Reference numerals: 1-U-shaped magnetizer, 2-annular permanent magnet, 3-annular magnetizer, 4-high-pitch module, 5-middle-low-pitch module, 7-cylindrical magnetizer, 11-first sinking platform, 12-second sinking platform, 41-high-pitch bracket, 42-sound membrane module, 51-middle-low-pitch carcass, 52-middle-low-pitch voice coil, 53-ring-folding piece, 54-middle-low-pitch outer frame, 55-middle-low-pitch inner bracket, 421-high-pitch voice coil, 422-Gao Yinyin membrane, 423-ring-folding part, 424-bonding part, 512-groove, 531-inner ring-folding and 532-outer ring-folding.
Detailed Description
The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model. The present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 2 to 3, the single-magnet double-magnetic-circuit ultrathin coaxial speaker unit provided by the utility model comprises a U-shaped magnetizer 1, an annular permanent magnet 2, an annular magnetizer 3, a high-pitch module 4, a mid-low-pitch module 5 and a cylindrical magnetizer 7; the middle bass module 5 is provided with a middle bass voice coil 52, the high bass module 4, the middle bass voice coil 52, the annular permanent magnet 2 and the annular magnetizer 3 are all arranged in the U-shaped magnetizer 1, the annular magnetizer 3 is arranged at the top of the annular permanent magnet 2, the annular magnetizer 3 and the annular permanent magnet 2 are all provided with through holes, and the cylindrical magnetizer 7 is arranged on the inner bottom plane of the U-shaped magnetizer 1 and positioned in the through holes;
Specifically, the U-shaped magnetizer 1, the annular permanent magnet 2 and the annular magnetizer 3 form a first magnetic loop for driving the middle bass module 5 to vibrate, and the annular magnetizer 3, the annular permanent magnet 2 and the cylindrical magnetizer 7 form a second magnetic loop for driving the treble module 4 to vibrate.
That is, in operation, the first magnetic circuit drives the middle-bass module 5 to vibrate to emit middle-bass, and the second magnetic circuit drives the high-bass module 4 to vibrate to emit high-bass. According to the utility model, the first magnetic loop and the second magnetic loop share the annular permanent magnet 2 and the annular magnetizer 3, and the parameters of the cone and the sound of the bass mould and the treble mould are respectively adjusted, so that the treble mould 4 and the middle bass mould 5 take part in, a better frequency response curve is formed, the working frequency of bass is lower, and the working frequency of treble is higher, thereby solving the problem that the low frequency and the high frequency of the traditional loudspeaker cannot be compatible; because the bass voice coil with larger diameter is used, the submergence of low frequency and thicker middle-low frequency hearing are greatly increased; because the first magnetic circuit and the second magnetic circuit share the annular permanent magnet 2 and the annular magnetizer 3, the cost of the magnetic circuits with the same diameter is greatly reduced.
In addition, the utility model achieves the effect that double magnetic circuits can be still realized after omitting one U-shaped magnetizer 1 by adding the columnar magnetizer 7 and ingenious improvement of other structures, thereby simplifying the whole structure of the loudspeaker and reducing the cost.
In this embodiment, a first sinking table 11 is disposed on top of the U-shaped magnetizer 1, and the cylindrical magnetizer 7 is adhered to the first sinking table 11. The columnar magnetizer 7 and the U-shaped magnetizer 1 are reliably fixed in an adhesion mode, and the stability of the utility model is prevented from being influenced by separation of the columnar magnetizer 7 and the U-shaped magnetizer 1.
In this embodiment, the mid-bass module 5 further includes a mid-bass body 51, a ring-folding member 53, a mid-bass outer frame 54 and a mid-bass inner frame 55, a gap is provided between the annular magnetizer 3 and the U-shaped magnetizer 1, the mid-bass voice coil 52 is mounted in the gap, a second sinking platform 12 is disposed at the outer side of the U-shaped magnetizer 1, the mid-bass outer frame 54 is mounted on the second sinking platform 12, the mid-bass inner frame 55 is mounted on the annular magnetizer 3 and the high-bass module 4, specifically, mounted on the high-bass support 41 of the high-bass module 4, the mid-bass body 51 is connected with the mid-bass voice coil 52 and the ring-folding member 53, and the ring-folding member 53 is bonded with the mid-bass outer frame 54 and the mid-bass inner frame 55.
Specifically, the ring folding member 53 is provided with an inner ring 531 and an outer ring 532, the inner ring 531 is located in the outer ring 532, the outer ring 532 is fixed on the mid-bass outer frame 54, and the inner ring 531 and the mid-bass inner bracket 55 are fixed; the plane of the connection between the inner folding ring 531 and the outer folding ring 532 is connected to the mid-bass carcass 51; the outer turn 532 cooperates with the inner turn 531 to control the piston movement of the mid-bass voice coil 52.
Specifically, the mid-bass body 51 is flat, the mid-bass body 51 is recessed downward to form a groove 512, and the mid-bass voice coil 52 is adhered to one side outer wall of the groove 512.
In actual use, the inner diameter corner part of the middle bass support 54 is fixed on the second sinking table 12 of the U-shaped magnetizer 1 in a bonding or riveting mode, the top of the boss of the U-shaped magnetizer 1 is bonded and fixed with the bottom of the annular permanent magnet 2, and the top of the annular permanent magnet 2 is bonded and fixed with the annular magnetizer 3. The two ends of the mid-bass carcass 51 are respectively bonded and fixed with one end of the inner folding ring 531 and one end of the outer folding ring 532, and the other ends of the outer folding ring 532 and the inner folding ring 531 are respectively bonded and fixed with the top planes of the mid-bass outer frame 54 and the mid-bass inner support 55.
Namely, compared with the existing loudspeaker with only one bending ring, the utility model realizes the control of the piston movement of the middle-bass voice coil 52 by the principle that the two bending rings 532 and 531 are mutually restricted and counteracted during working by arranging the external bending ring 532 and the internal bending ring 531, and realizes the effect of lower bass working frequency.
In this embodiment, the high-pitch module 4 includes a high-pitch bracket 41 and a sound membrane assembly 42, the high-pitch bracket 41 is installed on the sinking plane of the annular magnetizer 3, and the sound membrane assembly 42 is fixed on the high-pitch bracket 41.
Specifically, the diaphragm assembly 42 includes a high pitch voice coil 421 and Gao Yinyin diaphragm 422, the high pitch voice diaphragm 422 is fixed on the high pitch bracket 41, one end of the high pitch voice coil 421 is fixed between the cylindrical magnetizer 7 and the annular magnetizer 3, and the other end of the high pitch voice coil 421 is fixed on the Gao Yinyin diaphragm 422.
In this embodiment, the top inner side of the annular magnetizer 3 is provided with a mounting table, and the high-pitch bracket 41 is adhesively fixed to the mounting table and abuts against the inner side wall of the mounting table. The positioning effect is realized, and the assembly of the utility model is simpler.
In this embodiment, the two ends of the treble film 422 are respectively provided with a ring portion 423, and the outer side of the ring portion 423 is provided with a bonding portion 424, and the bonding portion 424 is fixed between the clamping groove and the treble bracket 41, so that the installation of the treble film 422 is more stable.
The high-pitch magnetic loop is completely arranged in the middle of the low-pitch magnetic loop, the high-pitch magnetic loop and the low-pitch magnetic loop are completely overlapped, the central lines of the winding parts of the middle-low-pitch voice coil and the high-pitch voice coil are positioned on the same horizontal plane, the overall height of the coaxial loudspeaker is effectively reduced, and the structural design of a finished product of the loudspeaker box is facilitated.
The present utility model is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present utility model.
Claims (7)
1. A single magnet dual magnetic circuit ultra-thin coaxial speaker unit, characterized in that: the voice coil assembly comprises a U-shaped magnetizer, an annular permanent magnet, an annular magnetizer, a cylindrical magnetizer, a high-pitch module and a middle-low-pitch module, wherein the middle-low-pitch module is provided with a middle-low-pitch voice coil, the high-pitch module, the annular permanent magnet and the annular magnetizer are all arranged in the U-shaped magnetizer, the annular magnetizer is arranged at the top of the annular permanent magnet, the annular magnetizer and the annular permanent magnet are both provided with through holes, and the cylindrical magnetizer is arranged on the inner bottom surface of the U-shaped magnetizer and positioned in the through holes;
the U-shaped magnetizer, the annular permanent magnet and the annular magnetizer form a first magnetic loop for driving the middle-bass module to vibrate; the annular magnetizer, the annular permanent magnet and the cylindrical magnetizer form a second magnetic loop for driving the high-pitch module to vibrate.
2. The single magnet dual magnetic circuit ultra-thin coaxial speaker unit according to claim 1, wherein: the top of the U-shaped magnetizer is provided with a first sinking table, and the cylindrical magnetizer is adhered to the first sinking table.
3. The single magnet dual magnetic circuit ultra-thin coaxial speaker unit according to claim 1, wherein: the middle bass module further comprises a middle bass carcass, a ring folding piece, a middle bass outer frame and a middle bass inner support, a gap is reserved between the annular magnetizer and the U-shaped magnetizer, the middle bass voice coil is arranged in the gap, a second sinking table is arranged on the outer side of the U-shaped magnetizer, the middle bass outer frame is arranged on the second sinking table, the middle bass inner support is arranged on the annular magnetizer and the high bass module, the middle bass carcass is connected with the middle bass voice coil and the ring folding piece, and the ring folding piece is bonded with the middle bass outer frame and the middle bass inner support.
4. A single magnet dual magnetic circuit ultra-thin coaxial speaker unit according to claim 3, wherein: the ring folding piece is provided with an inner ring and an outer ring, the inner ring is positioned in the outer ring, the outer ring is fixed on the middle bass outer frame, and the inner ring is fixed on the middle bass inner bracket; the plane of the connection part of the inner folding ring and the outer folding ring is connected with the middle bass carcass;
The outer folding ring and the inner folding ring are matched to control the piston movement of the middle-bass voice coil.
5. A single magnet dual magnetic circuit ultra-thin coaxial speaker unit according to claim 3, wherein: the middle bass body is a flat plate, the middle bass body is sunken downwards to form a groove, and the middle bass voice coil is adhered to the outer wall of one side of the groove.
6. The single magnet dual magnetic circuit ultra-thin coaxial speaker unit according to claim 1, wherein: the high-pitch module comprises a high-pitch bracket and a sound membrane component, wherein the high-pitch bracket is arranged on the sinking platform plane of the annular magnetizer, and the sound membrane component is fixed on the high-pitch bracket.
7. The single magnet dual magnetic circuit ultra-thin coaxial speaker unit according to claim 6, wherein: the sound membrane assembly comprises a high-pitch voice coil and Gao Yinyin membranes, the high-pitch voice membrane is fixed on the high-pitch bracket, one end of the high-pitch voice coil is fixed between the cylindrical magnetizer and the annular magnetizer, and the other end of the high-pitch voice coil is fixed on the Gao Yinyin membranes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322676851.5U CN220874731U (en) | 2023-09-28 | 2023-09-28 | Single-magnet double-magnetic-circuit ultrathin coaxial loudspeaker unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322676851.5U CN220874731U (en) | 2023-09-28 | 2023-09-28 | Single-magnet double-magnetic-circuit ultrathin coaxial loudspeaker unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220874731U true CN220874731U (en) | 2024-04-30 |
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ID=90813537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322676851.5U Active CN220874731U (en) | 2023-09-28 | 2023-09-28 | Single-magnet double-magnetic-circuit ultrathin coaxial loudspeaker unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220874731U (en) |
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2023
- 2023-09-28 CN CN202322676851.5U patent/CN220874731U/en active Active
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