CN216752089U - Multi-voice coil large-amplitude loudspeaker - Google Patents
Multi-voice coil large-amplitude loudspeaker Download PDFInfo
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- CN216752089U CN216752089U CN202122778364.0U CN202122778364U CN216752089U CN 216752089 U CN216752089 U CN 216752089U CN 202122778364 U CN202122778364 U CN 202122778364U CN 216752089 U CN216752089 U CN 216752089U
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Abstract
The utility model discloses a multi-voice-coil large-amplitude loudspeaker, which comprises a vibrating diaphragm assembly, a basin frame and a driving assembly, wherein the driving assembly comprises at least one driving voice coil and at least one detecting voice coil; the voice coil is driven by the driving voice coil, and the detection voice coil is driven by the detection voice coil; the amplitude of the loudspeaker is monitored in real time by detecting the current of the voice coil during working, and the stability of the acoustic performance of the loudspeaker is ensured.
Description
Technical Field
The utility model relates to the technical field of acoustic devices, in particular to a multi-voice-coil large-amplitude loudspeaker.
Background
A speaker plays an indispensable role in a sound reproducing system as a common electroacoustic transducer for converting electric energy into acoustic energy. The loudspeaker is the weakest component in the sound reproduction system, and is the most important component for the sound reproduction effect. The loudspeaker has various types, and audio electric energy causes a diaphragm component to vibrate and generate resonance with surrounding air to make sound through electromagnetic, piezoelectric or electrostatic effects. Therefore, people can hear wonderful sound just by the appearance of the loudspeaker and the receiver.
In the large-amplitude loudspeaker in the market at present, only one voice coil is generally arranged to be connected with the vibrating diaphragm assembly, so that the improvement of the amplitude is limited, and therefore, a plurality of voice coils are arranged in some loudspeakers to drive the vibrating diaphragm assembly together, so that the driving force of the vibrating diaphragm assembly is improved; however, after a plurality of voice coils are installed on the diaphragm assembly, if only one voice coil is abnormal, the diaphragm assembly is caused to vibrate abnormally, and the stability of the acoustic performance of the loudspeaker is seriously affected.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: provided is a multi-voice coil large-amplitude speaker with stable acoustic performance.
In order to solve the technical problems, the utility model adopts the technical scheme that: a multi-voice coil large-amplitude loudspeaker comprises a vibrating diaphragm component, a basin frame and a driving component, wherein the driving component comprises at least one driving voice coil and at least one detecting voice coil, the driving voice coil and the detecting voice coil are respectively connected to the vibrating diaphragm component, the long edge of the driving voice coil and the long edge of the detecting voice coil are arranged in parallel, and the vibrating diaphragm component is installed on the basin frame; still including install respectively in first centering branch piece and second centering branch piece on the basin frame, a minor face of drive voice coil loudspeaker voice coil and a minor face of detection voice coil loudspeaker voice coil respectively with first centering branch piece is connected, another minor face of drive voice coil loudspeaker voice coil and another minor face of detection voice coil loudspeaker voice coil respectively with second centering branch piece is connected, be equipped with on the first centering branch piece with the drive conducting wire that drive voice coil loudspeaker voice coil electricity is connected, be equipped with on the second centering branch piece with detect the detection conducting wire that the voice coil loudspeaker voice coil electricity is connected.
Furthermore, the first centering support piece comprises a first installation part, a first connection part and a first support part, the first installation part is installed on the basin frame, the first connection part is connected with the first installation part, the first connection part is provided with a plurality of first support parts, and the number of the first support parts is equal to the sum of the number of the driving voice coils and the number of the detection voice coils and is connected in a one-to-one correspondence manner; the second centering support piece comprises a second installation part, a second connection part and a second support part, the second installation part is installed on the basin frame, the second connection part is connected with the second installation part, a plurality of second support parts are arranged on the second connection part, the quantity of the second support parts is equal to the quantity of the driving voice coils and the quantity sum of the detection voice coils is equal to the one-to-one connection.
Further, the number of the detection voice coils is two, and the driving voice coil is located between the two detection voice coils.
Further, the number of the driving voice coils is two, the number of the detection voice coils is one, and the detection voice coils are located between the two driving voice coils.
The voice coil detection device comprises a voice coil, a magnetic circuit assembly and a basin frame, wherein the voice coil is arranged on the basin frame, the magnetic circuit assembly comprises a yoke, and a central magnetic steel and a side magnetic steel which are respectively arranged on the yoke, the yoke is connected with the basin frame, the central magnetic steel is arranged in the middle of each driving voice coil and the middle of each detection voice coil, and the side magnetic steels are arranged on the outer sides of two long edges of each driving voice coil and the outer sides of two long edges of each detection voice coil.
Furthermore, an edge washer is further arranged on the edge magnetic steel, and a center washer is arranged on the center magnetic steel.
Furthermore, the central washer and the central magnetic steel are of an integrated structure which is integrally formed.
The utility model has the beneficial effects that: the multi-voice-coil large-amplitude loudspeaker has the characteristic of stable acoustic performance, and the driving voice coil and the detection voice coil are arranged on the vibrating diaphragm assembly to drive together, so that the driving force is improved, and the high-frequency performance is enhanced; support drive voice coil loudspeaker voice coil and detection voice coil loudspeaker voice coil through first centering branch piece and second centering branch piece, ensured drive voice coil loudspeaker voice coil and the stability that detects voice coil loudspeaker voice coil work to the accessible detects the amplitude that the electric current that detects the voice coil loudspeaker voice coil during operation comes real time monitoring speaker, has ensured the stability of the acoustic performance of speaker.
Drawings
Fig. 1 is a schematic structural diagram of a multi-voice coil large-amplitude speaker according to a first embodiment of the present invention;
fig. 2 is an exploded view of a multi-voice coil large amplitude speaker according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a multi-voice coil large-amplitude speaker according to a second embodiment of the present invention.
Description of reference numerals:
1. a basin stand; 11. a border washer; 2. driving the voice coil; 3. detecting a voice coil; 4. a first centering branch; 41. a first mounting portion; 42. a first connection portion; 43. a first support section; 5. a second centering branch; 51. a second mounting portion; 52. a second connecting portion; 53. a second support portion; 6. a yoke; 61. edge magnetic steel; 62. and (4) central magnetic steel.
Detailed Description
In order to explain technical contents, achieved objects, and 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 3, a multi-voice coil large-amplitude speaker includes a diaphragm assembly, a frame 1 and a driving assembly, where the driving assembly includes at least one driving voice coil 2 and at least one detecting voice coil 3, the driving voice coil 2 and the detecting voice coil 3 are respectively connected to the diaphragm assembly, a long side of the driving voice coil 2 and a long side of the detecting voice coil 3 are parallel to each other, and the diaphragm assembly is mounted on the frame 1; still including install respectively in first centering branch piece 4 and second centering branch piece 5 on the basin frame 1, drive voice coil loudspeaker voice coil 2 one minor face and detect voice coil loudspeaker voice coil 3 one minor face respectively with first centering branch piece 4 is connected, drive voice coil loudspeaker voice coil 2 another minor face and detect voice coil loudspeaker voice coil 3 another minor face respectively with second centering branch piece 5 is connected, be equipped with on the first centering branch piece 4 with the drive conducting wire that drives voice coil loudspeaker voice coil 2 electricity and connect, be equipped with on the second centering branch piece 5 with detect the detection conducting wire that voice coil loudspeaker voice coil 3 electricity is connected.
From the above description, the beneficial effects of the present invention are: the driving voice coil 2 and the detection voice coil 3 are arranged on the vibrating diaphragm assembly to drive together, so that the driving force is improved, and the high-frequency performance is enhanced; the driving voice coil 2 and the detecting voice coil 3 are supported through the first centering branch piece 4 and the second centering branch piece 5, the working stability of the driving voice coil 2 and the detecting voice coil 3 is ensured, the amplitude of the loudspeaker can be monitored in real time by detecting the current of the detecting voice coil 3 in the working process, and the stability of the acoustic performance of the loudspeaker is ensured.
Further, the first centering support 4 includes a first mounting portion 41, a first connecting portion 42 and a first supporting portion 43, the first mounting portion 41 is mounted on the frame 1, the first connecting portion 42 is connected to the first mounting portion 41, the first connecting portion 42 is provided with a plurality of first supporting portions 43, and the number of the first supporting portions 43 is equal to the sum of the number of the driving voice coils 2 and the number of the detecting voice coils 3 and is connected in a one-to-one correspondence manner; second centering support 5 includes second installation department 51, second connecting portion 52 and second supporting part 53, second installation department 51 install in on the basin frame 1, second connecting portion 52 with second installation department 51 is connected, be equipped with a plurality ofly on the second connecting portion 52 second supporting part 53, the quantity of second supporting part 53 with the quantity of drive voice coil loudspeaker voice coil 2 and the quantity sum that detects voice coil loudspeaker voice coil 3 equals and the one-to-one connection.
As can be seen from the above description, the first centering branch 4 and the second centering branch 5 have simple structures and are easy to install.
Further, the number of the detection voice coils 3 is two, and the driving voice coil 2 is located between the two detection voice coils 3.
As can be seen from the above description, the driving voice coil 2 is disposed between the two detection voice coils 3, and the position of the amplitude abnormality can be determined according to the difference between the operating currents of the two detection voice coils 3.
Further, the number of the driving voice coils 2 is two, the number of the detection voice coils 3 is one, and the detection voice coils 3 are located between the two driving voice coils 2.
As can be seen from the above description, the number and the positions of the driving voice coil 2 and the detecting voice coil 3 can be set according to the actual application requirements.
Further, the voice coil loudspeaker comprises a magnetic circuit assembly, wherein the magnetic circuit assembly comprises a yoke 6, and a central magnetic steel 62 and a side magnetic steel 61 which are respectively arranged on the yoke 6, the yoke 6 is connected with the basin frame 1, the central magnetic steel 62 is arranged in the middle of each driving voice coil 2 and the middle of each detection voice coil 3, and the side magnetic steels 61 are arranged on the outer sides of two long sides of each driving voice coil 2 and the outer sides of two long sides of each detection voice coil 3.
Further, an edge washer 11 is further arranged on the edge magnetic steel 61, and a center washer is arranged on the center magnetic steel 62.
Further, the central washer and the central magnetic steel 62 are of an integrated structure formed integrally.
Example one
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is: a multi-voice coil large-amplitude loudspeaker comprises a vibrating diaphragm assembly (not shown), a basin frame 1 and a driving assembly, wherein the driving assembly comprises at least one driving voice coil 2 and at least one detecting voice coil 3, the driving voice coil 2 and the detecting voice coil 3 are respectively connected to the vibrating diaphragm assembly, the long edge of the driving voice coil 2 and the long edge of the detecting voice coil 3 are arranged in parallel, and the vibrating diaphragm assembly is mounted on the basin frame 1; the voice coil testing device is characterized by further comprising a first centering support 4 and a second centering support 5 which are respectively installed on the basin frame 1, wherein one short edge of the driving voice coil 2 and one short edge of the detecting voice coil 3 are respectively connected with the first centering support 4, the other short edge of the driving voice coil 2 and the other short edge of the detecting voice coil 3 are respectively connected with the second centering support 5, a driving conductive circuit electrically connected with the driving voice coil 2 is arranged on the first centering support 4, and a detecting conductive circuit electrically connected with the detecting voice coil 3 is arranged on the second centering support 5; specifically, the driving conductive circuit and the detecting conductive circuit are both FPCs (flexible printed circuit boards), and the directions of the driving conductive circuit and the detecting conductive circuit can be set according to actual application requirements, which is not described herein in detail.
More specifically, the vibrating diaphragm subassembly includes continuous sound membrane and dome, drive voice coil loudspeaker voice coil 2 and detect voice coil loudspeaker voice coil 3 all with the dome is connected, so, has strengthened the structural strength of dome does benefit to the promotion of high frequency performance.
Preferably, the first centering support 4 includes a first mounting portion 41, a first connecting portion 42 and a first supporting portion 43, the first mounting portion 41 is mounted on the frame 1, the first connecting portion 42 is connected to the first mounting portion 41, the first connecting portion 42 is provided with a plurality of first supporting portions 43, and the number of the first supporting portions 43 is equal to the sum of the number of the driving voice coils 2 and the number of the detecting voice coils 3 and is connected in a one-to-one correspondence manner; specifically, a first bonding pad (not shown) electrically connected to the driving voice coil 2 is disposed on the first supporting portion 43, a second bonding pad electrically connected to an external power supply device is disposed on the first mounting portion 41, and the first bonding pad and the second bonding pad are connected by the driving conductive trace; the second centering support piece 5 comprises a second mounting part 51, a second connecting part 52 and a second supporting part 53, the second mounting part 51 is mounted on the frame 1, the second connecting part 52 is connected with the second mounting part 51, the second connecting part 52 is provided with a plurality of second supporting parts 53, and the number of the second supporting parts 53 is equal to the sum of the number of the driving voice coils 2 and the number of the detecting voice coils 3 and is connected with the sum of the number of the driving voice coils 2 and the number of the detecting voice coils 3 in a one-to-one correspondence manner; the second supporting portion 53 is provided with a third pad (not shown) electrically connected with the detection voice coil 3, the second mounting portion 51 is provided with a fourth pad electrically connected with an external power supply device, and the third pad and the fourth pad are connected through the detection conductive circuit.
Specifically, in this embodiment, the number of the driving voice coils 2 is two, the number of the detection voice coils 3 is one, and the detection voice coils 3 are located between the two driving voice coils 2; more specifically, the number of the detection voice coil 3 is one, and the detection voice coil 3 is provided centrally on the dome.
In detail, the multi-voice coil large-amplitude loudspeaker further comprises a magnetic circuit assembly, wherein the magnetic circuit assembly comprises a yoke 6, and a central magnetic steel 62 and a side magnetic steel 61 which are respectively arranged on the yoke 6, the yoke 6 is connected with the basin frame 1, the central magnetic steel 62 is arranged in the middle of each driving voice coil 2 and the middle of each detection voice coil 3, and the side magnetic steels 61 are arranged on the outer sides of two long sides of each driving voice coil 2 and the outer sides of two long sides of each detection voice coil 3; specifically, the edge magnetic steel 61 is further provided with an edge washer 11, the center magnetic steel 62 is provided with a center washer, and the center washer and the center magnetic steel 62 are of an integrated structure formed integrally.
Example two
Referring to fig. 3, the second embodiment of the present invention is a further improvement of the driving assembly on the basis of the first embodiment, and is different from the first embodiment in that: the number of the detection voice coils 3 is two, and the driving voice coil 2 is positioned between the two detection voice coils 3; the driving voice coil 2 is disposed between the two detection voice coils 3, and can determine the position of amplitude abnormality according to the difference between the operating currents of the two detection voice coils 3.
Optionally, the number of the driving voice coils 2 may be set according to the actual application requirement, that is, the number of the driving voice coils 2 may be one (as in this embodiment), or may be multiple.
In conclusion, the multi-voice-coil large-amplitude loudspeaker provided by the utility model has the characteristic of stable acoustic performance, and the driving voice coil and the detection voice coil are arranged on the vibrating diaphragm assembly to drive together, so that the driving force is improved, and the high-frequency performance is enhanced; the driving voice coil and the detection voice coil are supported through the first centering branch piece and the second centering branch piece, the working stability of the driving voice coil and the detection voice coil is ensured, the amplitude of the loudspeaker can be monitored in real time through detecting the current when the detection voice coil works, and the stability of the acoustic performance of the loudspeaker is ensured; the driving voice coil is arranged between the two detection voice coils, and the position with abnormal amplitude can be judged according to the difference of working currents of the two detection voice coils.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (7)
1. A multi-voice coil large-amplitude loudspeaker comprises a vibrating diaphragm assembly, a basin frame and a driving assembly, and is characterized in that the driving assembly comprises at least one driving voice coil and at least one detecting voice coil, the driving voice coil and the detecting voice coil are respectively connected to the vibrating diaphragm assembly, the long edge of the driving voice coil and the long edge of the detecting voice coil are arranged in parallel, and the vibrating diaphragm assembly is mounted on the basin frame; still including install respectively in first centering piece and second centering piece on the basin frame, drive the voice coil loudspeaker voice coil a minor face and detect the voice coil loudspeaker voice coil a minor face respectively with first centering piece is connected, another minor face of drive voice coil loudspeaker voice coil and detect another minor face of voice coil loudspeaker voice coil respectively with second centering piece is connected, be equipped with on the first centering piece with the drive conducting wire that the drive voice coil loudspeaker voice coil electricity is connected, be equipped with on the second centering piece with detect the detection conducting wire that the voice coil loudspeaker voice coil electricity is connected.
2. The multi-voice coil large-amplitude loudspeaker according to claim 1, wherein the first centering support comprises a first mounting portion, a first connecting portion and a first supporting portion, the first mounting portion is mounted on the frame, the first connecting portion is connected with the first mounting portion, the first connecting portion is provided with a plurality of first supporting portions, and the number of the first supporting portions is equal to the sum of the number of the driving voice coils and the number of the detecting voice coils and is connected with the first supporting portions in a one-to-one correspondence manner; the second centering support piece comprises a second installation part, a second connection part and a second support part, the second installation part is installed on the basin frame, the second connection part is connected with the second installation part, a plurality of second support parts are arranged on the second connection part, the quantity of the second support parts is equal to the quantity of the driving voice coils and the quantity sum of the detection voice coils is equal to the one-to-one connection.
3. The multi-voice coil large amplitude speaker according to claim 1, wherein the number of the detection voice coils is two, and the driving voice coil is located between the two detection voice coils.
4. The multi-voice coil large amplitude speaker according to claim 1, wherein the number of the driving voice coils is two, the number of the sensing voice coils is one, and the sensing voice coil is located between the two driving voice coils.
5. The multi-voice coil large amplitude speaker according to claim 1, further comprising a magnetic circuit assembly, wherein the magnetic circuit assembly comprises a yoke and a center magnetic steel and a side magnetic steel respectively disposed on the yoke, the yoke is connected to the frame, the center magnetic steel is disposed on a middle portion of each of the driving voice coils and a middle portion of each of the detecting voice coils, and the side magnetic steels are disposed on outer sides of two long sides of each of the driving voice coils and outer sides of two long sides of each of the detecting voice coils.
6. The multi-voice coil large-amplitude loudspeaker according to claim 5, wherein a side washer is further arranged on the side magnetic steel, and a center washer is arranged on the center magnetic steel.
7. The multi-voice coil large-amplitude loudspeaker according to claim 6, wherein the central washer and the central magnetic steel are of an integrally formed integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122778364.0U CN216752089U (en) | 2021-11-11 | 2021-11-11 | Multi-voice coil large-amplitude loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122778364.0U CN216752089U (en) | 2021-11-11 | 2021-11-11 | Multi-voice coil large-amplitude loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216752089U true CN216752089U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122778364.0U Active CN216752089U (en) | 2021-11-11 | 2021-11-11 | Multi-voice coil large-amplitude loudspeaker |
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| Country | Link |
|---|---|
| CN (1) | CN216752089U (en) |
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- 2021-11-11 CN CN202122778364.0U patent/CN216752089U/en active Active
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