CN213126452U - Three magnetic circuit speakers - Google Patents
Three magnetic circuit speakers Download PDFInfo
- Publication number
- CN213126452U CN213126452U CN202021995791.3U CN202021995791U CN213126452U CN 213126452 U CN213126452 U CN 213126452U CN 202021995791 U CN202021995791 U CN 202021995791U CN 213126452 U CN213126452 U CN 213126452U
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- voice coil
- lead wire
- magnetic
- magnetic circuit
- loudspeaker
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- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000012528 membrane Substances 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 238000005457 optimization Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000010287 polarization Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a three magnetic circuit loudspeaker, including voice coil and the skeleton connected with the voice coil, the voice coil includes the body and voice coil lead wire that link to each other, still include the keyset and external lead wire that switch on and link to each other, the voice coil lead wire is kept away from the one end of the body with the keyset switches on and links to each other, the keyset is fixed on the skeleton, the three magnetic circuit loudspeaker that the utility model provides is not limited by voice coil lead wire lectotype, sets up voice coil lead wire, keyset and external lead wire that switch on and link to each other in proper order, the keyset is fixed on the skeleton, the effort that the body produced in the vibration process mostly acts on the external lead wire, so, either can select high tensile wire as voice coil lead wire, also can select low tensile wire as the lead wire, thereby the restriction of body on the lectotype of material has been relieved, the development dimension of, the development difficulty is reduced, and the optimization of performance and effect is facilitated.
Description
Technical Field
The utility model relates to an acoustics device technical field especially relates to a three magnetic circuit speakers.
Background
As a device capable of converting electric energy into acoustic energy, a speaker is widely used in microelectronic devices such as smart phones, camcorders, cameras, and notebook computers. With the increasing requirements of sound quality and loudness of microelectronic devices, the requirements of performance of micro-speakers are also increasing.
The prior scheme suitable for the large-amplitude loudspeaker mainly uses a centering disk part, and the centering disk needs higher process manufacturing flow and expensive materials, so the manufacturing process control difficulty is high, and the manufacturing cost is high.
Because of the size problem of the loudspeaker, the design of the centering disk is very thin and narrow, the thickness of the copper foil contained in the centering disk is usually 12 microns, and the design of the centering disk is provided with flaws or is not long enough, so that the centering disk is very easy to blacken and break to cause an open circuit.
The use of the flying lead solution can better improve the process stability and reduce the cost (without the need for a centering support piece part). The length of the suspended lead is a key factor for restricting the amplitude, and the small length of the lead can cause noise or fatigue disconnection. The larger the amplitude index of the speaker, the larger the length of the lead wire required to be suspended.
The scheme of the large-amplitude loudspeaker using the lead wire is usually designed into three magnets, so that the lead wire of the loudspeaker is convenient to suspend and lead out, a good anti-fatigue effect can be achieved due to the sufficient suspension length, in order to ensure the effectiveness of the volume proportion of the voice coil in the magnetic circuit gap, a flanging is generally arranged on a magnetic bowl, and the flanging occupies the suspension space of the lead wire, so that the development trend of the miniaturization of the loudspeaker is contradicted, therefore, in a three-magnet system provided with the flanging, in order to meet the requirements of the large amplitude and the miniaturization of the loudspeaker, the lead wire needs to avoid the flanging, and therefore, in the development process, the voice coil wire can be selected only from high-tension wires; if a low-tension wire is used, such as a pure copper wire, a copper-clad aluminum CCA wire or an aluminum wire, the voice coil lead is easy to break; because the voice coil loudspeaker voice coil lead wire is the same with the material of voice coil loudspeaker voice coil body, the restriction of voice coil loudspeaker voice coil lead wire rod lectotype has directly restricted the lectotype of voice coil loudspeaker voice coil body material, has increaseed the development degree of difficulty of voice coil loudspeaker voice coil.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a three-magnetic circuit speaker free from limitation of type selection of a voice coil lead wire is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a three magnetic circuit speaker, include the voice coil loudspeaker voice coil and with the skeleton that the voice coil loudspeaker voice coil is connected, the voice coil loudspeaker voice coil is including the body and the voice coil lead wire that link to each other, still including switching on the keysets that link to each other and external lead wire, the voice coil loudspeaker voice coil lead wire is kept away from the one end of body with the keysets switches on continuously, the keysets is fixed on the skeleton.
Furthermore, be equipped with on the keysets with the voice coil loudspeaker voice coil pad of voice coil loudspeaker voice coil lead wire electricity connection and with the external pad of external lead wire electricity connection, be equipped with on the keysets and switch on the voice coil loudspeaker voice coil pad with the conducting wire of external pad.
Further, still include basin frame and magnetic circuit assembly, magnetic circuit assembly is including connecting the magnetic bowl of basin frame, being located the central magnet steel of magnetic bowl central authorities and locating a set of edge magnet steel on the opposite side of magnetic bowl, another group of edge of magnetic bowl is equipped with the turn-ups that extends up, the skeleton includes continuous annular portion and extension, annular portion connects the top of body, the extension is located the turn-ups outside and with the keysets is connected.
Furthermore, the body is provided with an inner concave structure corresponding to the position of the flanging, and the flanging is positioned in the inner concave structure.
Further, the protruding portion is located in the concave structure and connected with the side wall of the body.
Further, the voice coil lead is located in the concave structure.
Further, still include respectively with the basin frame and the first secondary membrane of keysets connection.
Further, the flowerpot further comprises a second auxiliary membrane which is connected with the flowerpot frame and the corner of the body respectively.
Furthermore, the extension portion extends towards the direction far away from the flanging to form an adhesion portion, and the adapter plate is adhered to the adhesion portion.
The beneficial effects of the utility model reside in that: the utility model provides a three magnetic circuit speaker does not receive the restriction of voice coil loudspeaker voice coil lead wire selection type, the setting switches on continuous voice coil loudspeaker voice coil lead wire in proper order, keysets and external lead wire, the keysets is fixed in on the skeleton, the effort that the body produced in vibration process is mostly acted on external lead wire, thus, both can choose high tensile wire rod for use as the voice coil loudspeaker voice coil lead wire, also can choose low tensile wire rod for use as the voice coil loudspeaker voice coil lead wire, thereby the restriction of body on the material selection type has been removed, the development dimension of voice coil loudspeaker voice coil has been extended, the development degree of difficulty has been reduced, do benefit to performance effect optimization.
Drawings
Fig. 1 is an exploded view of a three-magnetic circuit speaker according to a first embodiment of the present invention;
fig. 2 is a schematic partial structure diagram of a three-magnetic-circuit speaker according to a first embodiment of the present invention;
fig. 3 is a schematic partial structure diagram of a three-magnetic-circuit speaker according to a first embodiment of the present invention;
fig. 4 is a schematic cross-sectional structure diagram of a three-magnetic circuit speaker according to a first embodiment of the present invention.
Description of reference numerals:
1. a diaphragm assembly; 2. a body; 21. a voice coil lead; 22. connecting a lead wire externally; 23. a concave structure; 3. a framework; 31. an annular portion; 32. a protruding portion; 33. an adhesive portion; 4. a basin stand; 5. a second subsidiary film; 6. an adapter plate; 61. a voice coil bonding pad; 62. externally connecting a bonding pad; 7. a magnetic bowl; 71. flanging; 72. edge magnetic steel; 73. central magnetic steel; 74. a central washer; 75. avoiding the 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.
Referring to fig. 1 to 4, a three-magnetic-circuit speaker includes a voice coil and a frame 3 connected to the voice coil, where the voice coil includes a body 2 and a voice coil lead 21 connected to each other, and further includes an adapter plate 6 and an external lead 22 connected to each other in a conductive manner, one end of the voice coil lead 21 away from the body 2 is connected to the adapter plate 6 in a conductive manner, and the adapter plate 6 is fixed to the frame 3.
From the above description, the beneficial effects of the present invention are: the setting switches on consecutive voice coil loudspeaker voice coil lead wire 21 in proper order, adapter plate 6 and external lead wire 22, adapter plate 6 is fixed in on skeleton 3, the effort that body 2 produced in the vibration process is most acted on external lead wire 22, so, both can choose high tensile wire rod for use as voice coil loudspeaker voice coil lead wire 21, also can choose low tensile wire rod for use as voice coil loudspeaker voice coil lead wire 21, thereby the restriction of body 2 on the material selection type has been removed, the development dimension of voice coil loudspeaker voice coil has been expanded, the development degree of difficulty has been reduced, do benefit to performance effect optimization.
Further, a voice coil bonding pad 61 electrically connected with the voice coil lead 21 and an external bonding pad 62 electrically connected with the external lead 22 are arranged on the adapter plate 6, and a conductive circuit for conducting the voice coil bonding pad 61 and the external bonding pad 62 is arranged on the adapter plate 6.
As can be seen from the above description, the voice coil bonding pad 61 is convenient for soldering the voice coil lead 21 to the interposer 6, and the external bonding pad 62 is convenient for soldering the external lead 22 to the interposer 6, so as to ensure the stability of the conduction performance between the voice coil lead 21 and the external lead 22.
Further, still include basin frame 4 and magnetic circuit assembly, magnetic circuit assembly is including connecting the magnetic bowl 7 of basin frame 4, be located the central magnet steel 73 of magnetic bowl 7 central authorities and locate the limit magnet steel 72 on a set of opposite side of magnetic bowl 7, another group of opposite side of magnetic bowl 7 is equipped with turn-ups 71 that extends up, skeleton 3 is including continuous annular portion 31 and extension 32, annular portion 31 is connected the top of body 2, extension 32 is located the turn-ups 71 outside and with the keysets 6 is connected.
As can be seen from the above description, the flange 71 can increase the magnetic circuit performance of the three-magnetic circuit speaker, which is beneficial to the improvement of the acoustic performance, and the protrusion 32 and the adapter plate 6 are located outside the flange 71, so that the risk of interference between the adapter plate 6 and the flange 71 in the vibration process of the body 2 is reduced, which is beneficial to the improvement of the acoustic performance.
Further, the body 2 is provided with an inner concave structure 23 at a position corresponding to the flange 71, and the flange 71 is located in the inner concave structure 23.
As can be seen from the above description, the turned-over edge 71 is disposed in the concave structure 23, and can provide an avoidance space for the external lead 22, so that the suspended length of the external lead 22 can be lengthened, and the development trend of large amplitude and miniaturization of the speaker can be met.
Further, the protruding portion 32 is located in the concave structure 23 and connected to the sidewall of the body 2.
As can be seen from the above description, the extension portion 32 is connected to the side wall of the body 2, so as to facilitate the enhancement of the structural stability, and the extension portion 32 is disposed inside the concave structure 23, so as to facilitate the extension of the suspension length of the external lead 22 and the improvement of the compactness of the structure, thereby satisfying the development trend of the large amplitude and miniaturization of the speaker.
Further, the voice coil lead 21 is located in the concave structure 23.
As can be seen from the above description, the voice coil lead 21 is disposed inside the concave structure 23, which is beneficial to the improvement of the structure compactness, satisfies the development trend of miniaturization, reduces the wire usage of the voice coil lead 21, and is beneficial to the reduction of the manufacturing cost.
Further, the flowerpot further comprises a first auxiliary membrane which is respectively connected with the flowerpot frame 4 and the adapter plate 6.
As can be seen from the above description, the first secondary film can support the interposer 6, so as to reduce the risk of voice coil polarization, and facilitate the improvement of structural stability.
Further, the flowerpot further comprises a second auxiliary membrane 5 which is respectively connected with the flowerpot frame 4 and the corner of the body 2.
As can be seen from the above description, the second secondary film 5 can support the body 2, so as to reduce the risk of voice coil polarization and facilitate the improvement of structural stability.
Furthermore, the extending portion 32 extends in a direction away from the flange 71 to form an adhering portion 33, and the interposer 6 is adhered to the adhering portion 33.
As can be seen from the above description, the bonding portion 33 provides a bonding platform for the interposer 6, and ensures that the interposer 6 can be effectively and stably bonded and fixed to the frame 3.
Example one
Referring to fig. 1 to 4, a first embodiment of the present invention is: the utility model provides a three magnetic circuit speaker, including vibrating diaphragm subassembly 1, magnetic circuit subassembly, basin frame 4, voice coil loudspeaker voice coil and with the skeleton 3 that the voice coil loudspeaker voice coil is connected, vibrating diaphragm subassembly 1 with magnetic circuit subassembly respectively with basin frame 4 is connected, skeleton 3 keeps away from the one end of voice coil loudspeaker voice coil with vibrating diaphragm subassembly 1 is connected, the voice coil loudspeaker voice coil is including body 2 and the voice coil lead wire 21 that links to each other, still including switching on the keysets 6 that link to each other and external lead wire 22, voice coil loudspeaker voice coil lead wire 21 is kept away from the one end of body 2 with keysets 6 switches on and links to each other, keysets 6 is fixed on skeleton 3, be equipped with on the basin frame 4 with external lead wire 22 keeps away from the welding dish that the one end of.
Specifically, please refer to fig. 1 and 4, the magnetic circuit assembly includes a magnetic bowl 7 connected to the frame 4, a central magnetic steel 73 located in the center of the magnetic bowl 7, and a pair of side magnetic steels 72 located on opposite sides of the magnetic bowl 7, and an upwardly extending flange 71 is provided on the other pair of opposite sides of the magnetic bowl 7, so that it is easy to understand that the flange 71 can increase the magnetic circuit performance of the three-magnetic-circuit speaker, and is beneficial to the improvement of the acoustic performance; more specifically, the framework 3 comprises a ring-shaped part 31 and an extension part 32 which are connected, the ring-shaped part 31 is connected with the top of the body 2, and the extension part 32 is positioned outside the flange 71 and connected with the adapter plate 6; as can be easily understood, the extension portion 32 and the adapter plate 6 are located outside the flange 71, so that the risk of interference between the adapter plate 6 and the flange 71 during vibration of the body 2 is reduced, and further improvement of acoustic performance is facilitated; in detail, the body 2 is rectangular, preferably, the turned-over edge 71 is located on one side of a group of short edges of the body 2, so that the magnetic gap between the side magnetic steel 72 and the central magnetic steel 73 can be designed to the maximum on the premise that the turned-over edge 71 and the external lead 22 have enough avoiding space, the use efficiency of the magnetic circuit assembly is exerted to the maximum, and the improvement of the acoustic performance is facilitated.
Optionally, the voice coil lead 21 may be a copper-clad aluminum wire, a pure copper wire, or a low-tension copper alloy wire, and the external lead 22 may be a high-tension copper alloy wire or a lead wire, and may be specifically set according to actual application requirements.
Preferably, the extension portion 32 extends towards a direction away from the flange 71 to form an adhesion portion 33, the adapter plate 6 is adhered to the adhesion portion 33, and it is easy to understand that the adhesion portion 33 provides an adhesion platform for the adapter plate 6, so that the adapter plate 6 can be effectively and stably adhered and fixed to the framework 3.
Referring to fig. 3, in the present embodiment, the interposer 6 is provided with a voice coil pad 61 electrically connected to the voice coil lead 21 and an external pad 62 electrically connected to the external lead 22, and the interposer 6 is provided with a conductive circuit for connecting the voice coil pad 61 and the external pad 62, which is easy to understand, the voice coil pad 61 is convenient for welding the voice coil lead 21 on the interposer 6, and the external pad 62 is convenient for welding the external lead 22 on the interposer 6, so as to ensure the stability of the conductivity between the voice coil lead 21 and the external lead 22.
Preferably, the body 2 is provided with an inner concave structure 23 at a position corresponding to the turned edge 71, the turned edge 71 is located in the inner concave structure 23, and it is easy to understand that the turned edge 71 is located in the inner concave structure 23 and can provide space for the external lead 22, which is beneficial to lengthening the suspended length of the external lead 22 and meets the development trend of large amplitude and miniaturization of the speaker; further, in order to ensure the effectiveness of the acoustic performance of the three-magnetic-circuit speaker, the magnetic circuit assembly further includes a central washer 74 connected to the central magnetic steel 73 in a stacked manner, and specifically, avoidance notches 75 are respectively formed in positions of the central magnetic steel 73 and the central washer 74 corresponding to the concave structure 23.
Preferably, still include respectively with basin frame 4 and the second inferior membrane 5 of body 2 corner connection, it is easy to understand, the second inferior membrane 5 can be right body 2 plays the effect of support, has reduced the risk of voice coil loudspeaker voice coil polarization, does benefit to structural stability's promotion.
Optionally, still include respectively with basin frame 4 and the first auxiliary membrane that keysets 6 are connected, it is easy to understand, first auxiliary membrane can be right keysets 6 plays the effect of support, has reduced the risk of voice coil loudspeaker voice coil polarization, does benefit to structural stability's promotion.
Referring to fig. 3, in the present embodiment, the protruding portion 32 is located in the concave structure 23 and connected to the sidewall of the body 2, it is easy to understand that the protruding portion 32 is connected to the sidewall of the body 2, so as to facilitate the enhancement of the structural stability, and the protruding portion 32 is disposed inside the concave structure 23, so as to facilitate the extension of the suspended length of the external lead 22 and the improvement of the compactness of the structure, and meet the development trend of large amplitude and miniaturization of the speaker. Further, voice coil lead 21 is located in indent structure 23, easy understanding will voice coil lead 21 locate the adduction and lie in indent structure 23, do benefit to the promotion of compact structure nature, satisfy miniaturized development trend to the wire rod quantity that has reduced voice coil lead 21 does benefit to manufacturing cost's reduction.
To sum up, the utility model provides a three magnetic circuit speaker does not receive the restriction of voice coil loudspeaker voice coil lead wire rod lectotype, both can choose high tensile wire rod for use as the voice coil loudspeaker voice coil lead wire, also can choose low tensile wire rod for use as the voice coil loudspeaker voice coil lead wire, has extended the development dimension of voice coil loudspeaker voice coil lead wire, does benefit to manufacturing cost's reduction to compact structure, acoustic performance are good, satisfy the large-amplitude of speaker and miniaturized development trend.
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 three magnetic circuit speaker, include the voice coil loudspeaker voice coil and with the skeleton that the voice coil loudspeaker voice coil is connected, the voice coil loudspeaker voice coil is including the body and the voice coil loudspeaker voice coil lead wire that link to each other, its characterized in that still including switching on the keysets that link to each other and external lead wire, the voice coil loudspeaker voice coil lead wire is kept away from the one end of body with the keysets switches on continuously, the keysets is fixed on the skeleton.
2. The loudspeaker according to claim 1, wherein said adapter plate has a voice coil pad electrically connected to said voice coil lead and an external pad electrically connected to said external lead, and said adapter plate has a conductive trace for connecting said voice coil pad and said external pad.
3. The loudspeaker of claim 1, further comprising a frame and a magnetic circuit assembly, wherein the magnetic circuit assembly comprises a magnetic bowl connected to the frame, a central magnetic steel located in the center of the magnetic bowl, and a set of edge magnetic steels located on opposite sides of the magnetic bowl, the other set of edges of the magnetic bowl are provided with flanges extending upwards, the frame comprises a ring portion and a protruding portion connected with each other, the ring portion is connected with the top of the body, and the protruding portion is located outside the flanges and connected with the adapter plate.
4. The loudspeaker of claim 3, wherein the body has a concave structure corresponding to the flange, and the flange is located in the concave structure.
5. A three magnetic circuit speaker according to claim 4, wherein the protrusion is located in the concave structure and connected to the side wall of the body.
6. A three-magnetic-circuit speaker as claimed in claim 5, wherein the voice coil leads are located within the recessed structure.
7. A three-magnetic-circuit speaker as claimed in claim 3, further comprising a first secondary membrane connected to the frame and the adapter plate, respectively.
8. A three magnetic circuit speaker according to claim 3, further comprising a second sub-diaphragm connected to the frame and the body corner, respectively.
9. A loudspeaker according to claim 3, wherein the extension portion extends away from the flange to form an adhesive portion, and the adaptor plate is adhered to the adhesive portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021995791.3U CN213126452U (en) | 2020-09-14 | 2020-09-14 | Three magnetic circuit speakers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021995791.3U CN213126452U (en) | 2020-09-14 | 2020-09-14 | Three magnetic circuit speakers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213126452U true CN213126452U (en) | 2021-05-04 |
Family
ID=75662430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021995791.3U Active CN213126452U (en) | 2020-09-14 | 2020-09-14 | Three magnetic circuit speakers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213126452U (en) |
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2020
- 2020-09-14 CN CN202021995791.3U patent/CN213126452U/en active Active
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Address after: 3 / F, building A5, No. 463, South Ring Road, Heyi community, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Weishi Technology Co.,Ltd. Country or region after: China Address before: 3 / F, building A5, No. 463, South Ring Road, Heyi community, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SUNWAY ACOUSTICS TECHNOLOGY Co.,Ltd. Country or region before: China |