CN220359354U - Novel loudspeaker - Google Patents
Novel loudspeaker Download PDFInfo
- Publication number
- CN220359354U CN220359354U CN202321914494.5U CN202321914494U CN220359354U CN 220359354 U CN220359354 U CN 220359354U CN 202321914494 U CN202321914494 U CN 202321914494U CN 220359354 U CN220359354 U CN 220359354U
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- voice coil
- support
- loudspeaker
- magnetic steel
- huasi
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 68
- 239000010959 steel Substances 0.000 claims abstract description 68
- 239000002184 metal Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 6
- 229910052742 iron Inorganic materials 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009191 jumping Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a novel loudspeaker, which comprises a basin frame, a vibrating diaphragm, a magnetic circuit assembly and a support, wherein a centering support piece is arranged on the basin frame, the vibrating diaphragm is installed on the basin frame, a first voice coil is arranged at the bottom of the vibrating diaphragm, the magnetic circuit assembly is connected with the centering support piece, the magnetic circuit assembly comprises a yoke iron, side magnetic steel, first center magnetic steel and second center magnetic steel, the side magnetic steel and the first center magnetic steel are installed at the top of the yoke iron, the second center magnetic steel is installed at the bottom of the yoke iron, the support is installed at the bottom of the basin frame, a second voice coil is arranged on the support and is in overlook, the second center magnetic steel is located in the second voice coil, and the magnetic circuit assembly is used for driving the first voice coil to vibrate and the magnetic circuit assembly to vibrate. The utility model discloses the speaker has avoided first voice coil loudspeaker voice coil to cause the jump out magnetic gap because of the amplitude is too big, leads to the speaker distortion, simultaneously, has increased the loudness of speaker.
Description
Technical Field
The utility model relates to the technical field of electroacoustic converters, in particular to a novel loudspeaker.
Background
At present, mobile terminals such as mobile phones and tablet computers enrich the lives of people, and electroacoustic converters play an indispensable role as audio devices. At the same time, the demands of consumers for sound loudness are increasing, and the demands of corresponding designers for performance of electroacoustic transducers such as speakers are also increasing. The voice coil is used as the core of the loudspeaker and is positioned in the magnetic field, when the loudspeaker is electrified, the voice coil (coil) in the magnetic field generates a magnetic field changing along with the audio current when the audio current flows, the magnetic field interacts with the magnetic field of the permanent magnet to enable the voice coil to vibrate along the axial direction, and in order to ensure the whole lightening and thinning of the loudspeaker in the prior art, the magnetic steel is generally designed to be thinner, so that the magnetic field range is smaller, and the voice coil is easy to jump out of a magnetic gap due to the larger amplitude of the voice coil at low frequency, so that the nonlinear distortion of the loudspeaker is caused.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: a novel speaker is provided which is free from distortion at a low frequency and a large amplitude.
In order to solve the technical problems, the utility model adopts the following technical scheme: a novel speaker, comprising:
a basin stand, on which a centering support piece is arranged;
the vibrating diaphragm is arranged on the basin frame, and a first voice coil is arranged at the bottom of the vibrating diaphragm;
the magnetic circuit assembly is connected with the centering support piece and comprises a yoke, side magnetic steel, first center magnetic steel and second center magnetic steel, wherein the side magnetic steel and the first center magnetic steel are arranged at the top of the yoke, and the second center magnetic steel is arranged at the bottom of the yoke;
the bracket is arranged at the bottom of the basin frame, a second voice coil is arranged on the bracket, the second voice coil is overlooked, and the second central magnetic steel is positioned in the second voice coil;
the magnetic circuit assembly is used for driving the first voice coil to vibrate, and the second voice coil is used for driving the magnetic circuit assembly to vibrate.
Further, the bracket is made of metal.
Further, the support includes first support and second support, first support with the second support does not contact the setting, the second voice coil loudspeaker voice coil respectively with first support with second support electric connection, the second voice coil loudspeaker voice coil with first voice coil loudspeaker voice coil parallel connection.
Further, the centering support piece comprises an elastic portion and a bonding pad which are connected, the magnetic circuit assembly is connected with the elastic portion, and the first voice coil is electrically connected with the bonding pad.
Further, the magnetic circuit assembly further comprises a Bian Huasi, the Bian Huasi is installed at the top of the side magnetic steel, and the elastic part is connected with the Bian Huasi.
Further, the Bian Huasi is rectangular frame-shaped, and the centering support sheet is in non-conductive connection with the Bian Huasi.
Further, the centering support piece is L-shaped, and the centering support piece is simultaneously connected with two adjacent side edges of Bian Huasi.
Further, the yoke is connected to the Bian Huasi.
Further, the yoke is provided with a first connection portion, the Bian Huasi is provided with a second connection portion, and the first connection portion is connected with the second connection portion.
Further, a central washer is arranged on the second central magnetic steel.
The utility model has the beneficial effects that: according to the novel loudspeaker provided by the utility model, the magnetic circuit component is movably arranged in the basin frame through the centering support piece, and the ampere force is applied to the magnetic circuit component through the second voice coil, so that the magnetic circuit component vibrates, and the generated vibration phase is the same as that of the first voice coil, thereby avoiding the first voice coil from jumping out of a magnetic gap due to overlarge amplitude to cause the distortion of the loudspeaker, and meanwhile, the amplitude of the first voice coil is increased due to the effect of the magnetic circuit component due to the fact that the vibration phases of the first voice coil and the magnetic circuit component are the same, so that the loudness of the loudspeaker is increased, and the acoustic performance of the loudspeaker is improved.
Drawings
Fig. 1 is a schematic structural diagram of a novel speaker according to a first embodiment of the present utility model;
fig. 2 is a cross-sectional view of a novel speaker according to a first embodiment of the present utility model;
fig. 3 is a schematic diagram of an internal structure of a novel speaker according to a first embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a magnetic circuit assembly of a novel speaker according to a first embodiment of the present utility model.
Description of the reference numerals:
1. a basin stand; 11. centering support pieces; 111. an elastic part; 112. a bonding pad;
2. a vibrating diaphragm; 21. a first voice coil; 22. middle paste;
3. a magnetic circuit assembly; 31. a yoke; 311. a first connection portion; 32. edge magnetic steel; 33. a first center magnetic steel; 34. a second center magnetic steel; 35. bian Huasi; 351. a second connecting portion; 36. a central washer;
4. a bracket; 41. a first bracket; 42. a second bracket;
5. and a second voice coil.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Please refer to fig. 1 to 4, a novel loudspeaker, including basin frame 1, vibrating diaphragm 2, magnetic circuit assembly 3 and support 4, be equipped with centering piece 11 on the basin frame 1, vibrating diaphragm 2 installs on the basin frame 1, vibrating diaphragm 2 bottom is equipped with first voice coil 21, magnetic circuit assembly 3 with centering piece 11 is connected, magnetic circuit assembly 3 includes yoke 31, limit magnet steel 32, first center magnet steel 33 and second center magnet steel 34, limit magnet steel 32 with first center magnet steel 33 installs the yoke 31 top, second center magnet steel 34 is installed yoke 31 bottom, support 4 installs basin frame 1 bottom, be equipped with second voice coil 5 on the support 4, overlook second voice coil 5, second center magnet steel 34 is located in the second voice coil 5, magnetic circuit assembly 3 is used for driving the voice coil loudspeaker voice coil 21 to vibrate, second voice coil 5 is used for driving magnetic circuit assembly 3 to vibrate.
From the above description, the beneficial effects of the utility model are as follows: according to the novel loudspeaker provided by the utility model, the magnetic circuit component is movably arranged in the basin frame through the centering support piece, and the ampere force is applied to the magnetic circuit component through the second voice coil, so that the magnetic circuit component vibrates, and the generated vibration phase is the same as that of the first voice coil, thereby avoiding the first voice coil from jumping out of a magnetic gap due to overlarge amplitude to cause the distortion of the loudspeaker, and meanwhile, the amplitude of the first voice coil is increased due to the effect of the magnetic circuit component due to the fact that the vibration phases of the first voice coil and the magnetic circuit component are the same, so that the loudness of the loudspeaker is increased, and the acoustic performance of the loudspeaker is improved.
Further, the material of the bracket 4 is metal.
From the above description, it is known that the metal bracket has higher structural strength.
Further, the support 4 includes a first support 41 and a second support 42, the first support 41 and the second support 42 are not in contact, the second voice coil 5 is electrically connected to the first support 41 and the second support 42, and the second voice coil 5 is connected in parallel to the first voice coil 21.
As can be seen from the above description, the bracket is used for fixing the second voice coil and simultaneously conducting the second voice coil.
Further, the centering pad 11 includes an elastic portion 111 and a bonding pad 112, the magnetic circuit assembly 3 is connected to the elastic portion 111, and the first voice coil 21 is electrically connected to the bonding pad 112.
As is apparent from the above description, the elastic portion is used for supporting the magnetic circuit assembly, and the bonding pad is used for conducting the first voice coil so as to connect the first voice coil with an external power supply.
Further, the magnetic circuit assembly 3 further includes a Bian Huasi, the Bian Huasi is mounted on the top of the side magnetic steel 32, and the elastic portion 111 is connected to the Bian Huasi.
Further, the Bian Huasi 35 is rectangular frame-shaped, and the centering support 11 is non-conductively connected to the Bian Huasi.
As can be seen from the above description, compared with the case where each side magnetic steel is provided with a separate side washer, the overall rectangular frame-shaped Bian Huasi has higher structural strength, and the centering support sheet is in non-conductive connection with Bian Huasi to avoid the first voice coil from being shorted.
Further, the centering support 11 is L-shaped, and the centering support 11 is simultaneously connected with two adjacent sides of the Bian Huasi.
As can be seen from the above description, the centering support piece and the adjacent two sides of Bian Huasi can make the vibration of the magnetic circuit assembly more stable.
Further, the yoke 31 is connected to the Bian Huasi.
As is apparent from the above description, the yoke and Bian Huasi are connected to increase the structural strength of the magnetic circuit assembly as a whole.
Further, the yoke 31 is provided with a first connection portion 311, the Bian Huasi is provided with a second connection portion 351, and the first connection portion 311 is connected to the second connection portion 351.
As is apparent from the above description, the provision of the first and second connection portions facilitates the connection of the yoke and Bian Huasi, while facilitating the improvement of the connection strength of the face contact, avoiding disconnection of the connection portion due to long-term vibration.
Further, a central washer 36 is disposed on the second central magnetic steel 34.
As can be seen from the above description, the central washer is used for magnetic conduction, so that the magnetic field generated by the second central magnetic steel is more uniform.
Example 1
Referring to fig. 1 to 4, a first embodiment of the present utility model is as follows: a novel loudspeaker is applied to electronic equipment such as a mobile phone, a sound box, an intelligent watch, a tablet personal computer, a notebook computer and the like.
The novel loudspeaker comprises a basin frame 1, a vibrating diaphragm 2, a magnetic circuit assembly 3 and a support 4, wherein a centering support piece 11 is arranged on the basin frame 1, the vibrating diaphragm 2 comprises an inner fixing part, a ring folding part and an outer fixing part which are sequentially connected from inside to outside, the vibrating diaphragm 2 is installed on the basin frame 1 through the outer fixing part, a first voice coil 21 is arranged at the bottom of the vibrating diaphragm 2, the first voice coil 21 is fixed on the inner fixing part, the magnetic circuit assembly 3 is connected with the centering support piece 11, the magnetic circuit assembly 3 comprises a yoke 31, an edge magnetic steel 32, a first center magnetic steel 33 and a second center magnetic steel 34, the number of the edge magnetic steels 32 is a plurality of, the edge 32 and the first center magnetic steel 33 are installed at the top of the yoke 31, the first center magnetic steel 33 is arranged between at least two opposite edge magnetic steels 32, the first center magnetic steel 33 and the edge magnetic steel 32 form a magnetic circuit gap, at least one part of the first voice coil 21 is positioned in the magnetic circuit gap, the second center magnetic steel 34 is installed at the bottom of the yoke 31, the second center magnetic steel 34 is installed at the bottom of the support piece 4, the second center magnetic steel 33 is adhered to the voice coil 5, the second center magnetic steel 2 is adhered to the voice coil frame 1, the second center magnetic steel 2 is adhered to the voice coil frame, the voice coil assembly is adhered to the voice coil frame, the voice coil 1, the voice coil loudspeaker is adhered to the voice coil 1, and the voice coil loudspeaker 1 is adhered to the voice frames, and the voice coil 1, and the voice coil loudspeaker voice frames, and the voice loudspeaker frames, and the loudspeaker speaker Injection molding or hot pressing connection, second center magnet steel 34 part is located in the second voice coil 5, the basin frame 1 side has been seted up and has been used for dodging the groove of dodging of limit magnet steel 32 is favorable to reducing the whole width of speaker to make the structure of this novel speaker compacter.
When the novel loudspeaker is electrified and works, the first voice coil 21 is electrified, the first voice coil 21 starts vibrating under the action of a magnetic circuit gap formed by the first central magnetic steel 33 and the side magnetic steel 32, the second voice coil 5 is simultaneously electrified with the same current as the first voice coil 21 so as to form an alternating magnetic field around the second voice coil 5, as the magnetic circuit assembly 3 is arranged on the centering support 11, the second central magnetic steel 34 in the alternating magnetic field can start vibrating by the ampere force exerted by the second voice coil 5 and drives the whole magnetic circuit assembly 3 to vibrate, and the vibration phase of the magnetic circuit assembly 3 is the same as that of the first voice coil 21, so that the phenomenon that the first voice coil 21 jumps out of the magnetic gap due to overlarge amplitude to cause loudspeaker distortion is avoided, and particularly, the vibration phase of the magnetic circuit assembly 3 is adjusted to be the same as that of the first voice coil 21 and the first voice coil 21 is adjusted by adjusting the magnetic pole direction of the first central magnetic steel 33 and the second central magnetic steel 34 and the coil winding direction of the second voice coil 5, and the vibration phase of the magnetic circuit assembly 3 is the same as that the first voice coil 21 is vibrated.
Optionally, the material of the support 4 is metal, in this embodiment, the support 4 includes a first support 41 and a second support 42, the first support 41 and the second support 42 are not in contact with each other, the first support 41 and the second support 42 are respectively adhesively connected to two sides of the bottom of the basin frame 1, the second voice coil 5 is respectively electrically connected to the first support 41 and the second support 42, the second voice coil 5 is connected to the first voice coil 21 in parallel, and in other embodiments, the second voice coil 5 and the first voice coil 21 may also be connected in series or respectively controlled not to be connected to each other.
Referring to fig. 3, the centering support 11 includes an elastic portion 111 and a bonding pad 112, the magnetic circuit assembly 3 is connected to the elastic portion 111, the first voice coil 21 is electrically connected to the bonding pad 112, in this embodiment, the elastic portion 111 is an elastic spring sheet, the elastic portion 111 is in a wave shape, the elastic portion 111 and the bonding pad 112 are integrally formed as a one-piece structure, the number of the centering support 11 is two, the bonding pad 112 of one centering support 11 is electrically connected to the first support 41, the bonding pad 112 of the other centering support 11 is electrically connected to the second support 42, and it is obvious that the support 4 is used for installing and fixing the second voice coil 5, and is also used for realizing parallel connection between the second voice coil 5 and the first voice coil 21, and optionally, the first voice coil support 41 and the second support 42 are respectively welded to the bonding pads 112 of the corresponding centering support 11.
The magnetic circuit assembly 3 further comprises a Bian Huasi, the Bian Huasi is mounted on the top of the side magnetic steel 32, the elastic portion 111 is connected with the Bian Huasi, and in other embodiments, the elastic portion 111 may be connected with the yoke 31 or the side magnetic steel 32.
Optionally, the Bian Huasi is rectangular and frame-shaped, in this embodiment, the centering support 11 is in non-conductive connection with the Bian Huasi 35, the middle of the elastic portion 111 is connected with the side edge of the Bian Huasi 35, in other embodiments, the number of the Bian Huasi 35 may be multiple, the number of the Bian Huasi is the same as the number of the side magnetic steels 32, and each of the tops of the side magnetic steels 32 is provided with one Bian Huasi 35.
The centering support piece 11 is L-shaped, the centering support piece 11 is simultaneously connected with two adjacent sides of the Bian Huasi, in this embodiment, each centering support piece 11 includes two bonding pads 112 and two elastic parts 111 that are alternately connected, two bonding pads 112 and a suspension end of the elastic part 111 are fixedly mounted on the basin frame 1, two elastic parts 111 are mutually perpendicular, two centering support pieces 11 are respectively mounted on two opposite corners of the basin frame 1, two centering support pieces 11 are centrally and symmetrically arranged, and four elastic parts 111 of the two centering support pieces 11 are respectively connected with four sides of the Bian Huasi 35.
Referring to fig. 4, alternatively, the yoke 31 is connected to the Bian Huasi 35, in this embodiment, the yoke 31 is provided with first connecting portions 311, the first connecting portions 311 are folded edges that are bent upward, the first connecting portions 311 are plural, the Bian Huasi is provided with second connecting portions 351, the second connecting portions 351 are folded edges that are bent downward, the second connecting portions 351 are the same as the first connecting portions 311 in number, the second connecting portions 351 are disposed in one-to-one correspondence with the first connecting portions 311, the first connecting portions 311 are connected to the second connecting portions 351 by gluing, specifically, the first connecting portions 311 are four in number with the second connecting portions 351, the four first connecting portions 311 are respectively disposed at four corners of the yoke 31, the four second connecting portions 351 are respectively disposed at four corners of the Bian Huasi, in other embodiments, the first connecting portions 311 and the second connecting portions 351 can also be connected by welding or the like.
Referring to fig. 2, the second central magnetic steel 34 is provided with a central washer 36, and in this embodiment, the first central magnetic steel 33 and the second central magnetic steel 34 are provided with central washers 36.
In summary, according to the novel loudspeaker provided by the utility model, the magnetic circuit assembly is movably arranged in the basin frame through the centering support piece, and the second voice coil is used for applying ampere force to the magnetic circuit assembly, so that the magnetic circuit assembly vibrates, and the generated vibration phase is the same as that of the first voice coil, thereby avoiding the first voice coil from jumping out of a magnetic gap to cause the distortion of the loudspeaker due to overlarge amplitude, and meanwhile, the amplitude of the first voice coil is increased due to the effect of the magnetic circuit assembly due to the fact that the vibration phases of the first voice coil and the magnetic circuit assembly are the same, so that the loudness of the loudspeaker is increased, and the acoustic performance of the loudspeaker is improved; the bracket is used for fixing the second voice coil and simultaneously is also used for realizing the electric connection between the first voice coil and the second voice coil; the centering support piece is used for supporting the magnetic circuit assembly and simultaneously conducting the first voice coil so that the first voice coil is connected with an external power supply; the yoke is connected with Bian Huasi and can be increased the holistic structural strength of magnetic circuit subassembly, sets up the connection of yoke and Bian Huasi of being convenient for of first connecting portion and second connecting portion, is favorable to promoting the joint strength of face contact simultaneously, avoids leading to the junction disconnection because of long-term vibration.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (10)
1. A novel loudspeaker, comprising:
a basin stand, on which a centering support piece is arranged;
the vibrating diaphragm is arranged on the basin frame, and a first voice coil is arranged at the bottom of the vibrating diaphragm;
the magnetic circuit assembly is connected with the centering support piece and comprises a yoke, side magnetic steel, first center magnetic steel and second center magnetic steel, wherein the side magnetic steel and the first center magnetic steel are arranged at the top of the yoke, and the second center magnetic steel is arranged at the bottom of the yoke;
the bracket is arranged at the bottom of the basin frame, a second voice coil is arranged on the bracket, the second voice coil is overlooked, and the second central magnetic steel is positioned in the second voice coil;
the magnetic circuit assembly is used for driving the first voice coil to vibrate, and the second voice coil is used for driving the magnetic circuit assembly to vibrate.
2. The loudspeaker of claim 1, wherein the bracket is made of metal.
3. The novel loudspeaker of claim 2, wherein the support comprises a first support and a second support, the first support and the second support are arranged in a non-contact manner, the second voice coil is electrically connected with the first support and the second support respectively, and the second voice coil is connected with the first voice coil in parallel.
4. The loudspeaker of claim 1, wherein the centering pad comprises an elastic portion and a bonding pad, the magnetic circuit assembly is connected with the elastic portion, and the first voice coil is electrically connected with the bonding pad.
5. The new type loudspeaker of claim 4, wherein the magnetic circuit assembly further comprises a magnetic circuit Bian Huasi, the Bian Huasi is mounted on top of the side magnetic steel, and the elastic portion is connected with the magnetic circuit Bian Huasi.
6. The novel speaker of claim 5, wherein said Bian Huasi is rectangular and said centering tabs are non-conductively connected to said Bian Huasi.
7. The loudspeaker of claim 6, wherein the centering tabs are L-shaped, and the centering tabs are simultaneously connected to adjacent sides of Bian Huasi.
8. A new type of loudspeaker according to claim 5, wherein the yoke is connected to the Bian Huasi.
9. The loudspeaker of claim 8, wherein the yoke is provided with a first connection portion and the Bian Huasi is provided with a second connection portion, the first connection portion being connected to the second connection portion.
10. The novel loudspeaker of claim 1, wherein the second center magnetic steel is provided with a center washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321914494.5U CN220359354U (en) | 2023-07-20 | 2023-07-20 | Novel loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321914494.5U CN220359354U (en) | 2023-07-20 | 2023-07-20 | Novel loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220359354U true CN220359354U (en) | 2024-01-16 |
Family
ID=89500839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321914494.5U Active CN220359354U (en) | 2023-07-20 | 2023-07-20 | Novel loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220359354U (en) |
-
2023
- 2023-07-20 CN CN202321914494.5U patent/CN220359354U/en active Active
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