CN220457593U - Moving coil and piezoelectric ceramic loudspeaker module - Google Patents
Moving coil and piezoelectric ceramic loudspeaker module Download PDFInfo
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- CN220457593U CN220457593U CN202322069849.1U CN202322069849U CN220457593U CN 220457593 U CN220457593 U CN 220457593U CN 202322069849 U CN202322069849 U CN 202322069849U CN 220457593 U CN220457593 U CN 220457593U
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- 239000000919 ceramic Substances 0.000 title claims abstract description 61
- 239000012528 membrane Substances 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 50
- 229910052742 iron Inorganic materials 0.000 claims description 24
- 230000005389 magnetism Effects 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- KKQWHYGECTYFIA-UHFFFAOYSA-N 2,5-dichlorobiphenyl Chemical compound ClC1=CC=C(Cl)C(C=2C=CC=CC=2)=C1 KKQWHYGECTYFIA-UHFFFAOYSA-N 0.000 description 6
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a moving coil and piezoelectric ceramic loudspeaker module, which relates to the field of sounding components and comprises a shell and a PCB (printed circuit board), wherein the PCB is arranged at the bottom of the shell, a piezoelectric ceramic loudspeaker is arranged at the inner side of the top end of the shell, a first moving coil voice coil and a moving coil membrane are arranged in an inner cavity of the shell, the first moving coil voice coil is adhered to the moving coil membrane, a supporting ring is fixedly arranged at the outer edge of the moving coil membrane, the supporting ring is arranged in the shell, a moving coil magnetic circuit component which enables the first moving coil voice coil to vibrate through magnetic force is arranged in the shell, and the moving coil magnetic circuit component is arranged between the piezoelectric ceramic loudspeaker and the moving coil membrane. The utility model utilizes a plurality of double magnetic circuit structures to further realize the moving coil and piezoelectric ceramic horn modules with different functions, and can achieve better low-frequency effect and wider high-frequency extensibility while realizing the basic double-unit module, and in addition, the assembly process can be simplified, so that the production cost is effectively reduced.
Description
Technical Field
The utility model relates to the technical field of sound production components, in particular to a moving coil and piezoelectric ceramic loudspeaker module.
Background
The moving coil is a transduction mode of the earphone, the principle of the moving coil is similar to that of a common sound box, a coil in a permanent magnetic field is connected with the vibrating diaphragm, the coil drives the vibrating diaphragm to sound under the drive of signal current, and the piezoelectric ceramic buzzer is a device applied by the piezoelectric ceramic chip. Titanium and piezoelectric ceramic plates which are prepared by sintering zirconium and lead oxides are common, and a double-diaphragm structure is generally adopted for improving low-frequency response.
However, in the prior art, in order to form a dual-unit module, the conventional moving coil and piezoelectric ceramic horn module can increase the internal structure thereof, so that the assembly process is complicated, the assembly cost can be further increased, and in addition, the moving coil and piezoelectric ceramic horn module with a simpler structure has the defects of unsatisfactory low-frequency effect and narrower high-frequency extensibility.
Disclosure of Invention
The utility model aims to solve the problems of the prior art that the internal structure of a double-unit module is increased, so that the assembly process is complicated, the assembly cost is increased, the moving coil and the piezoelectric ceramic horn module with simpler structures are not ideal in low-frequency effect and narrow in high-frequency extensibility.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a moving coil and piezoceramics loudspeaker module, includes shell and PCB board, the PCB board is installed in the shell bottom, piezoceramics loudspeaker is installed to shell top inboard, install first moving coil voice coil and moving coil diaphragm in the shell inner chamber, first moving coil voice coil bonds on the moving coil diaphragm, and moving coil diaphragm outward flange fixed mounting has support ring, and support ring installs inside the shell, the inside moving coil magnetic circuit subassembly that makes first moving coil voice coil produce vibration through magnetic force that is equipped with of shell, and moving coil magnetic circuit subassembly installs between piezoceramics loudspeaker and moving coil diaphragm.
Preferably, the center of the piezoelectric ceramic horn is provided with a moving coil horn sound outlet hole in a penetrating mode, and the shell and the bottom of the PCB board are provided with moving coil horn rear cavity leakage holes in a penetrating mode.
Preferably, the piezoelectric ceramic loudspeaker and the first moving coil voice coil are connected by adopting a parallel circuit, and a lead wire of the piezoelectric ceramic loudspeaker is welded in a PCB circuit.
Preferably, the moving coil magnetic circuit assembly comprises a first moving coil inner magnet, a first moving coil outer magnet and a moving coil T iron, wherein the moving coil T iron is clamped inside the shell, the moving coil T iron is located below the piezoelectric ceramic loudspeaker, the first moving coil inner magnet is arranged on the inner side of the moving coil T iron, the first moving coil outer magnet is arranged at the bottom of the outer edge of the moving coil T iron, and the first moving coil washer is arranged at the bottom of the first moving coil outer magnet.
Preferably, the first moving coil washer is located outside the first moving coil voice coil, the magnetism of the first moving coil inner magnet is opposite to that of the first moving coil outer magnet, the magnetic poles of the first moving coil inner magnet and the magnetic poles of the first moving coil outer magnet are distributed in the axial direction, and the first moving coil inner magnet and the first moving coil outer magnet are in one of a middle hole ring shape, a middle hole square shape and a middle hole oval structure.
Preferably, the moving coil magnetic circuit assembly further comprises a second moving coil inner magnet, a second moving coil outer magnet and a second moving coil washer, wherein the bottom of the second moving coil washer is bonded with the second moving coil inner magnet and the second moving coil outer magnet, the bottom of the second moving coil outer magnet is bonded with a third moving coil washer, and the bottom of the second moving coil inner magnet is bonded with a fourth moving coil washer.
Preferably, the second moving coil washer, the third moving coil washer and the fourth moving coil washer are all in plane structures, magnetic poles of the second moving coil inner magnet and the second moving coil outer magnet are axially distributed, and the second moving coil inner magnet and the second moving coil outer magnet are opposite in magnetism.
Preferably, the moving coil magnetic circuit assembly further comprises a third moving coil outer magnet, a fourth moving coil outer magnet, a third moving coil inner magnet and a fourth moving coil inner magnet, wherein the third moving coil inner magnet is located on the inner side of the third moving coil outer magnet, a fifth moving coil washer is installed on the top of the third moving coil inner magnet and the top of the third moving coil outer magnet, a seventh moving coil washer is installed on the bottom of the third moving coil inner magnet, the fourth moving coil inner magnet is installed on the bottom of the seventh moving coil washer, the fourth moving coil inner magnet is located on the inner side of the fourth moving coil outer magnet, a sixth moving coil washer is installed on the top of the fourth moving coil outer magnet, and the sixth moving coil washer is installed on the bottom of the third moving coil outer magnet.
Preferably, the third moving coil outer magnetic property is opposite to the third moving coil inner magnetic property, the third moving coil outer magnetic property is opposite to the fourth moving coil outer magnetic property, the fourth moving coil outer magnetic property is opposite to the fourth moving coil inner magnetic property, and the fourth moving coil inner magnetic property is opposite to the third moving coil inner magnetic property.
Preferably, a second moving coil is arranged between the seventh moving coil washer and the sixth moving coil washer, a support is fixedly connected to the edge of the bottom of the second moving coil, and the bottom of the support is adhered to the moving coil membrane.
Compared with the prior art, the utility model has the advantages and positive effects that:
according to the utility model, by utilizing multiple double magnetic circuit structures, the moving coil and piezoelectric ceramic horn modules with different functions are further realized, and the basic double-unit module is realized, meanwhile, the better low-frequency effect and wider high-frequency extensibility can be achieved, in addition, the assembly process is simplified, and the production cost is effectively reduced.
Drawings
FIG. 1 is a schematic view of the external appearance of a moving coil and piezoelectric ceramic horn module according to the present utility model;
FIG. 2 is a schematic diagram of an explosion structure of a first structure of a moving coil and piezoelectric ceramic horn module according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a first construction of a moving coil and piezoelectric ceramic horn module of the present utility model;
FIG. 4 is a schematic diagram of an explosion structure of a second structure of a moving coil and piezoelectric ceramic horn module according to the present utility model;
FIG. 5 is a schematic cross-sectional view of a second configuration of a moving coil and piezoelectric ceramic horn module of the present utility model;
FIG. 6 is a schematic diagram of an explosion structure of a third structure of a moving coil and piezoelectric ceramic horn module according to the present utility model;
FIG. 7 is a schematic cross-sectional view of a third configuration of a moving coil and piezoelectric ceramic horn module according to the present utility model;
fig. 8 is a schematic circuit diagram of a moving coil and piezoelectric ceramic horn module according to the present utility model.
Legend description: 1. piezoelectric ceramic horn; 2. the first moving coil is internally magnetized; 3. moving coil T iron; 4. the first moving coil is magnetized; 5. a first moving coil washer; 6. a first moving coil voice coil; 7. a moving coil diaphragm; 8. a housing; 9. a PCB board; 10. a sound outlet hole of the moving coil loudspeaker; 11. a moving coil horn rear cavity leakage hole; 12. a support ring; 13. a second moving coil washer; 14. a third movable coil washer; 15. the second moving coil is internally magnetized; 16. a fourth moving coil washer; 17. the second moving coil is magnetized; 18. the third moving coil is magnetized; 19. the fourth moving coil is magnetized; 20. the third moving coil is internally magnetized; 21. fourth moving coil internal magnetism; 22. a second moving coil voice coil; 23. a bracket; 24. a fifth moving coil washer; 25. a sixth moving coil washer; 26. seventh moving coil washer.
Description of the embodiments
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Examples
As shown in fig. 1, 2, 3 and 8: the utility model provides a moving coil and piezoceramics loudspeaker module, including shell 8 and PCB board 9, PCB board 9 installs in shell 8 bottom, and piezoceramics loudspeaker 1 is installed to shell 8 top inboard, installs first moving coil voice coil 6 and moving coil diaphragm 7 in the shell 8 inner chamber, and first moving coil voice coil 6 bonds on moving coil diaphragm 7, and moving coil diaphragm 7 outward flange fixed mounting has support ring 12, and support ring 12 installs inside shell 8, and shell 8 is inside to be equipped with and to make first moving coil voice coil 6 produce the moving coil magnetic circuit assembly of vibration through magnetic force, and moving coil magnetic circuit assembly installs between piezoceramics loudspeaker 1 and moving coil diaphragm 7.
The center of the piezoelectric ceramic loudspeaker 1 is provided with a moving-coil loudspeaker sound outlet hole 10 in a penetrating way, and the bottoms of the shell 8 and the PCB 9 are provided with a moving-coil loudspeaker rear cavity leakage hole 11 in a penetrating way; the moving coil loudspeaker rear cavity leakage hole 11 can enable air to freely flow in the shell 8, pressure accumulation is prevented, tone quality change is caused, and better tone quality and bass effect can be further sent out. The piezoelectric ceramic loudspeaker 1 and the first moving coil voice coil 6 are connected by adopting parallel circuits, and leads of the piezoelectric ceramic loudspeaker 1 are welded in a circuit of the PCB 9.
The moving coil magnetic circuit assembly comprises a first moving coil inner magnet 2, a first moving coil outer magnet 4 and a moving coil T iron 3, wherein the moving coil T iron 3 is clamped inside the shell 8, the moving coil T iron 3 is located below the piezoelectric ceramic loudspeaker 1, the first moving coil inner magnet 2 is arranged on the inner side of the moving coil T iron 3, the first moving coil outer magnet 4 is arranged at the bottom of the outer edge of the moving coil T iron 3, and a first moving coil washer 5 is arranged at the bottom of the first moving coil outer magnet 4.
The first moving coil washer 5 is located outside the first moving coil voice coil 6, the magnetism of the first moving coil inner magnet 2 is opposite to that of the first moving coil outer magnet 4, the magnetic poles of the first moving coil inner magnet 2 and the magnetic poles of the first moving coil outer magnet 4 are axially distributed, and the first moving coil inner magnet 2 and the first moving coil outer magnet 4 are in one of a middle hole ring shape, a middle hole square shape and a middle hole oval structure.
In this embodiment, after the first moving coil voice coil 6 is energized, the first moving coil voice coil 6 is subjected to the magnetic field force to generate up-down vibration, so as to drive the moving coil diaphragm 7 to vibrate and sound, at this time, sound is emitted from the moving coil loudspeaker sound emitting hole 10 in the center of the piezoelectric ceramic loudspeaker 1, and the piezoelectric ceramic loudspeaker 1 is connected with the first moving coil voice coil 6 in parallel circuit, so that the lead wire of the piezoelectric ceramic loudspeaker 1 is welded in the circuit of the moving coil PCB 9, and then a frequency division connection circuit is formed. Then, the moving coil magnetic circuit assembly adopts an inner magnetic circuit structure and an outer magnetic circuit structure, and the first moving coil inner magnet 2 is placed in the moving coil T iron 3 for simplifying the assembly process, so that the production cost is effectively reduced.
In addition, place piezoceramics loudspeaker 1 above moving coil T iron 3, can send high-frequency sound, and utilize PCB board 9 of shell 8 bottom to carry out the frequency division and connect, formed two unit module, can reach better low frequency effect and wider high frequency extensibility.
Examples
As shown in fig. 1, fig. 4, fig. 5 and fig. 8, a moving coil and piezoelectric ceramic loudspeaker module comprises a shell 8 and a PCB board 9, wherein the PCB board 9 is installed at the bottom of the shell 8, the piezoelectric ceramic loudspeaker 1 is installed at the inner side of the top end of the shell 8, a first moving coil voice coil 6 and a moving coil diaphragm 7 are installed in the inner cavity of the shell 8, the first moving coil voice coil 6 is adhered to the moving coil diaphragm 7, a supporting ring 12 is fixedly installed at the outer edge of the moving coil diaphragm 7, the supporting ring 12 is installed inside the shell 8, a moving coil magnetic circuit component which enables the first moving coil voice coil 6 to vibrate through magnetic force is arranged inside the shell 8, and the moving coil magnetic circuit component is installed between the piezoelectric ceramic loudspeaker 1 and the moving coil diaphragm 7.
The center of the piezoelectric ceramic loudspeaker 1 is provided with a moving-coil loudspeaker sound outlet hole 10 in a penetrating way, and the bottoms of the shell 8 and the PCB 9 are provided with a moving-coil loudspeaker rear cavity leakage hole 11 in a penetrating way; the moving coil loudspeaker rear cavity leakage hole 11 can enable air to freely flow in the shell 8, pressure accumulation is prevented, tone quality change is caused, and better tone quality and bass effect can be further sent out. The piezoelectric ceramic loudspeaker 1 and the first moving coil voice coil 6 are connected by adopting parallel circuits, and leads of the piezoelectric ceramic loudspeaker 1 are welded in a circuit of the PCB 9.
The moving coil magnetic circuit assembly further comprises a second moving coil inner magnet 15, a second moving coil outer magnet 17 and a second moving coil washer 13, wherein the bottom of the second moving coil washer 13 is bonded with the second moving coil inner magnet 15 and the second moving coil outer magnet 17, the bottom of the second moving coil outer magnet 17 is bonded with a third moving coil washer 14, and the bottom of the second moving coil inner magnet 15 is bonded with a fourth moving coil washer 16.
The second moving coil washer 13, the third moving coil washer 14 and the fourth moving coil washer 16 are all of plane structures, magnetic poles of the second moving coil inner magnet 15 and the second moving coil outer magnet 17 are axially distributed, and the magnetic poles of the second moving coil inner magnet 15 and the second moving coil outer magnet 17 are opposite.
In this embodiment, after the first moving coil voice coil 6 is energized, the first moving coil voice coil 6 is subjected to the magnetic field force to generate up-down vibration, so as to drive the moving coil diaphragm 7 to vibrate and sound, at this time, sound is emitted from the moving coil loudspeaker sound emitting hole 10 in the center of the piezoelectric ceramic loudspeaker 1, the piezoelectric ceramic loudspeaker 1 is connected with the first moving coil voice coil 6 in parallel, and the lead wire of the piezoelectric ceramic loudspeaker 1 is welded in the PCB board 9 circuit of the moving coil, so as to form a frequency division connection circuit.
Then, after the number of the washer is increased and the moving coil T iron 3 is removed, when the moving coil magnetic circuit assembly acts at this time, an upper magnetic circuit is formed by the second moving coil inner magnet 15 and the second moving coil outer magnet 17 of the moving coil magnetic circuit assembly, and magnetic force lines formed by the second moving coil washer 13 are magnetically conducted, in addition, magnetic force lines of the second moving coil inner magnet 15 and the second moving coil outer magnet 17 are magnetically conducted by the third moving coil washer 14 and the fourth moving coil washer 16, so that the magnetic field strength of magnetic conduction through a plurality of washers is doubled, and the sensitivity of the loudspeaker is doubled.
Examples
According to fig. 1, 6, 7 and 8, the moving coil magnetic circuit assembly further comprises a third moving coil outer magnet 18, a fourth moving coil outer magnet 19, a third moving coil inner magnet 20 and a fourth moving coil inner magnet 21, wherein the third moving coil inner magnet 20 is positioned on the inner side of the third moving coil outer magnet 18, a fifth moving coil washer 24 is mounted on the top of the third moving coil inner magnet 20 and the third moving coil outer magnet 18, a seventh moving coil washer 26 is mounted on the bottom of the third moving coil inner magnet 20, the fourth moving coil inner magnet 21 is mounted on the bottom of the seventh moving coil washer 26, the fourth moving coil inner magnet 21 is arranged on the inner side of the fourth moving coil outer magnet 19, a sixth moving coil washer 25 is mounted on the top of the fourth moving coil outer magnet 19, and the sixth moving coil washer 25 is mounted on the bottom of the third moving coil outer magnet 18.
The third moving coil outer magnet 18 is opposite to the third moving coil inner magnet 20 in magnetism, the third moving coil outer magnet 18 is opposite to the fourth moving coil outer magnet 19 in magnetism, the fourth moving coil outer magnet 19 is opposite to the fourth moving coil inner magnet 21 in magnetism, and the fourth moving coil inner magnet 21 is opposite to the third moving coil inner magnet 20 in magnetism.
A second moving coil voice coil 22 is arranged between the seventh moving coil washer 26 and the sixth moving coil washer 25, a support 23 is fixedly connected to the edge of the bottom of the second moving coil voice coil 22, and the bottom of the support 23 is adhered to the moving coil membrane 7.
In this embodiment, the number of inner and outer magnets and the number of washer are increased, the moving coil T iron 3 is removed, and then a sandwich structure is formed in the moving coil magnetic circuit assembly, at this time, the moving coil magnetic circuit assembly is composed of two groups of outer magnets and inner magnets, wherein the inner magnets and the outer magnets are opposite in magnetism and are axially distributed in magnetic pole, at this time, magnetic force lines generated by the outer magnet 18 of the third moving coil of the upper magnetic circuit and the inner magnet 20 of the third moving coil can be conducted through the washer 24 of the fifth moving coil, magnetic force lines generated by the outer magnet 19 of the fourth moving coil of the lower magnetic circuit and the inner magnet 21 of the fourth moving coil can also be conducted through the washer 25 of the sixth moving coil and the washer 26 of the seventh moving coil, and after the magnetic conduction of a plurality of washer magnets, the magnetic field strength is doubled, and the sensitivity of the loudspeaker is doubled.
In addition, the original first moving coil voice coil 6 is replaced by the second moving coil voice coil 22, the second moving coil voice coil 22 is provided with a bracket 23, and the bracket 23 is adhered to the moving coil diaphragm 7 to complete the installation, so that the second moving coil voice coil 22 is positioned between two washers, and the intensity of the magnetic field received by the second moving coil voice coil 22 after the second moving coil voice coil 22 is electrified is also enhanced
The application method and the working principle of the device are as follows: in fig. 8, K1 represents a woofer, K2 represents a tweeter, when the first moving coil voice coil 6 is energized, the magnetic field force acts to generate up-down vibration, and then the moving coil diaphragm 7 is driven to vibrate and sound, at this time, sound is emitted from the moving coil loudspeaker sound outlet 10 in the center of the piezoelectric ceramic loudspeaker 1, the piezoelectric ceramic loudspeaker 1 is connected with the first moving coil voice coil 6 in parallel, and the lead wire of the piezoelectric ceramic loudspeaker 1 is welded in the circuit of the PCB board 9 of the moving coil, so as to form a frequency division connection circuit; then, the moving coil magnetic circuit assembly adopts an inner magnetic circuit structure and an outer magnetic circuit structure, and the first moving coil inner magnet 2 is placed in the moving coil T iron 3 for simple assembly process and low cost.
Then, the piezoelectric ceramic loudspeaker 1 is placed on the moving coil T iron 3, high-frequency sound can be emitted, and the PCB 9 at the bottom of the shell 8 can be used for frequency division connection, so that a double-unit module is formed.
In addition, when the number of the washer is increased in the moving coil magnetic circuit assembly, the moving coil T iron 3 is removed, at the moment, an upper magnetic circuit is formed by the second moving coil inner magnet 15 and the second moving coil outer magnet 17 in the moving coil magnetic circuit assembly, and magnetic force lines formed by the upper magnetic circuit can be conducted through the second moving coil washer 13, in addition, the magnetic force lines of the second moving coil inner magnet 15 and the second moving coil outer magnet 17 can be conducted through the third moving coil washer 14 and the fourth moving coil washer 16, so that the magnetic field strength conducted through a plurality of washers can be doubled, and the sensitivity of the loudspeaker can be doubled.
When the number of the inner magnets and the outer magnets and the number of the washer are increased simultaneously, and the moving coil T iron 3 is removed, a sandwich structure is formed in the moving coil magnetic circuit assembly, at this time, the moving coil magnetic circuit assembly is composed of two groups of outer magnets and inner magnets, wherein the inner magnets and the outer magnets are opposite in magnetism and are axially distributed, magnetic force lines generated by the outer magnets 18 of the third moving coil of the upper magnetic circuit and the inner magnets 20 of the third moving coil are acted by magnetic force, at this time, magnetic force lines generated by the outer magnets 19 of the fourth moving coil of the lower magnetic circuit and the inner magnets 21 of the fourth moving coil of the lower magnetic circuit are also magnetically conducted through the washer 25 of the sixth moving coil and the washer 26 of the seventh moving coil, and after the magnetic conduction of a plurality of washers, the magnetic field strength is doubled, and the sensitivity of the loudspeaker is doubled.
In addition, the original first moving coil voice coil 6 is replaced by the second moving coil voice coil 22, the second moving coil voice coil 22 is provided with a bracket 23, and the bracket 23 is used for being adhered to the moving coil diaphragm 7 to complete the installation, so that the second moving coil voice coil 22 is positioned between two washers, and the intensity of a magnetic field received by the second moving coil voice coil 22 after being electrified is also enhanced.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (10)
1. The utility model provides a moving coil and piezoceramics loudspeaker module, includes shell (8) and PCB board (9), PCB board (9) are installed in shell (8) bottom, piezoceramics loudspeaker (1), its characterized in that are installed to shell (8) top inboard: install first moving coil voice coil (6) and moving coil diaphragm (7) in shell (8) inner chamber, first moving coil voice coil (6) bond on moving coil diaphragm (7), and moving coil diaphragm (7) outward flange fixed mounting has supporting ring (12), and supporting ring (12) install inside shell (8), shell (8) are inside to be equipped with the moving coil magnetic circuit subassembly that makes first moving coil voice coil (6) produce the vibration through magnetic force, and moving coil magnetic circuit subassembly installs between piezoceramics loudspeaker (1) and moving coil diaphragm (7).
2. A moving coil and piezoelectric ceramic horn module according to claim 1, wherein: the piezoelectric ceramic loudspeaker (1) is characterized in that a moving-coil loudspeaker sound outlet hole (10) is formed in the center of the piezoelectric ceramic loudspeaker in a penetrating mode, and a moving-coil loudspeaker rear cavity leakage hole (11) is formed in the bottoms of the shell (8) and the PCB (9) in a penetrating mode.
3. A moving coil and piezoelectric ceramic horn module according to claim 1, wherein: the piezoelectric ceramic loudspeaker (1) and the first moving coil voice coil (6) are connected by adopting parallel circuits, and a lead wire of the piezoelectric ceramic loudspeaker (1) is welded in a circuit of the PCB (9).
4. A moving coil and piezoelectric ceramic horn module according to claim 1, wherein: the moving coil magnetic circuit assembly comprises a first moving coil inner magnet (2), a first moving coil outer magnet (4) and a moving coil T iron (3), wherein the moving coil T iron (3) is clamped inside a shell (8), the moving coil T iron (3) is located below a piezoelectric ceramic loudspeaker (1), the first moving coil inner magnet (2) is arranged on the inner side of the moving coil T iron (3), the first moving coil outer magnet (4) is arranged at the bottom of the outer edge of the moving coil T iron (3), and a first moving coil washer (5) is arranged at the bottom of the first moving coil outer magnet (4).
5. The moving coil and piezoelectric ceramic horn module of claim 4, wherein: the first moving coil washer (5) is located on the outer side of the first moving coil voice coil (6), the magnetism of the first moving coil inner magnet (2) is opposite to that of the first moving coil outer magnet (4), the magnetic poles of the first moving coil inner magnet (2) and the magnetic poles of the first moving coil outer magnet (4) are axially distributed, and the first moving coil inner magnet (2) and the first moving coil outer magnet (4) are in one of a middle hole ring shape, a middle hole square shape and a middle hole oval structure.
6. A moving coil and piezoelectric ceramic horn module according to claim 1, wherein: the movable coil magnetic circuit assembly further comprises a second movable coil inner magnet (15), a second movable coil outer magnet (17) and a second movable coil washer (13), wherein the bottom of the second movable coil washer (13) is adhered to the second movable coil inner magnet (15) and the second movable coil outer magnet (17), a third movable coil washer (14) is adhered to the bottom of the second movable coil outer magnet (17), and a fourth movable coil washer (16) is adhered to the bottom of the second movable coil inner magnet (15).
7. The moving coil and piezoelectric ceramic horn module of claim 6, wherein: the second movable coil washer (13), the third movable coil washer (14) and the fourth movable coil washer (16) are all of plane structures, magnetic poles of the second movable coil inner magnet (15) and the second movable coil outer magnet (17) are axially distributed, and the second movable coil inner magnet (15) and the second movable coil outer magnet (17) are opposite in magnetism.
8. A moving coil and piezoelectric ceramic horn module according to claim 1, wherein: the moving coil magnetic circuit assembly further comprises a third moving coil outer magnet (18), a fourth moving coil outer magnet (19), a third moving coil inner magnet (20) and a fourth moving coil inner magnet (21), wherein the third moving coil inner magnet (20) is located on the inner side of the third moving coil outer magnet (18), a fifth moving coil washer (24) is mounted on the top of the third moving coil inner magnet (20) and the top of the third moving coil outer magnet (18), a seventh moving coil washer (26) is mounted on the bottom of the third moving coil inner magnet (20), the fourth moving coil inner magnet (21) is mounted on the bottom of the seventh moving coil washer (26), the fourth moving coil inner magnet (21) is located on the inner side of the fourth moving coil outer magnet (19), a sixth moving coil washer (25) is mounted on the top of the fourth moving coil outer magnet (19), and the sixth moving coil washer (25) is mounted on the bottom of the third moving coil outer magnet (18).
9. The moving coil and piezoelectric ceramic horn module of claim 8, wherein: the magnetism of the third moving coil outer magnet (18) is opposite to that of the third moving coil inner magnet (20), the magnetism of the third moving coil outer magnet (18) is opposite to that of the fourth moving coil outer magnet (19), the magnetism of the fourth moving coil outer magnet (19) is opposite to that of the fourth moving coil inner magnet (21), and the magnetism of the fourth moving coil inner magnet (21) and the magnetism of the third moving coil inner magnet (20) are opposite.
10. The moving coil and piezoelectric ceramic horn module of claim 8, wherein: a second moving coil voice coil (22) is arranged between the seventh moving coil washer (26) and the sixth moving coil washer (25), a support (23) is fixedly connected to the edge of the bottom of the second moving coil voice coil (22), and the bottom of the support (23) is adhered to the moving coil membrane (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322069849.1U CN220457593U (en) | 2023-08-03 | 2023-08-03 | Moving coil and piezoelectric ceramic loudspeaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322069849.1U CN220457593U (en) | 2023-08-03 | 2023-08-03 | Moving coil and piezoelectric ceramic loudspeaker module |
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