CN214756906U

CN214756906U - Moving-coil type microphone core with shockproof function and low noise

Info

Publication number: CN214756906U
Application number: CN202120990964.0U
Authority: CN
Inventors: 章发喜; 黎铭政
Original assignee: Guangdong Dingnuo Technology Audio Co ltd
Current assignee: Guangdong Dingnuo Technology Audio Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-11-16
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a moving coil type microphone core with shockproof function and low noise, which comprises a moving coil type microphone core shell, wherein one side of the moving coil type microphone core shell is fixedly connected with a microphone pad, the microphone pad comprises an outer ring body, the inner wall of the outer ring body is fixedly connected with a buffer mechanism, the other end of the buffer mechanism is fixedly connected with an inner ring body, the inner part of the inner ring body is fixedly connected with a shockproof ring, the inner part of the shockproof ring is fixedly connected with a sound chamber, one end of the sound chamber is fixedly connected with a magnet, the other end of the sound chamber is fixedly connected with a diaphragm, and the device can effectively reduce the vibration amplitude of the diaphragm through a multiple shockproof structure inside the shockproof ring by arranging a first shockproof sleeve, a second shockproof sleeve, a third shockproof sleeve, a buffer air bag, a sponge body and an elastic rubber body, thereby greatly reducing the noise volume of the moving coil type microphone core, thereby greatly improving the practicability and market competitiveness of the device.

Description

Moving-coil type microphone core with shockproof function and low noise

Technical Field

The utility model relates to a microphone technical field specifically is a moving coil miaow core with shockproof function, low noise.

Background

A moving-coil microphone is a device that converts sound into an electrical signal. The moving-coil microphone is made by utilizing the phenomenon of electromagnetic induction, when sound waves make a diaphragm vibrate, a voice coil connected to the diaphragm vibrates together, the voice coil vibrates in a magnetic field to generate induction current, the magnitude and the direction of the induction current change, the changed amplitude and frequency are determined by the sound waves, the induction current is amplified by a loudspeaker and then transmitted to a loudspeaker to generate amplified sound, but the existing moving-coil microphone core is of a fixed structure, so that the anti-vibration effect is poor when the microphone is used, a good anti-vibration effect cannot be achieved on the microphone, and when the microphone is collided by the outside, the diaphragm inside the moving-coil microphone core can generate severe vibration, so that large noise is formed, and the normal use of the microphone is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a moving coil miaow core with shockproof function, low noise to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the moving-coil microphone core with the shockproof function and the low noise comprises a moving-coil microphone core shell, wherein a sound head pad is fixedly connected to one side of the moving-coil microphone core shell, the sound head pad comprises an outer ring body, a buffer mechanism is fixedly connected to the inner wall of the outer ring body, an inner ring body is fixedly connected to the other end of the buffer mechanism, a shockproof ring is fixedly connected to the inner portion of the inner ring body, a sound chamber is fixedly connected to the inner portion of the shockproof ring, a magnet is fixedly connected to one end of the sound chamber, and a diaphragm is fixedly connected to the other end of the sound chamber.

Preferably, the shockproof ring comprises a first shockproof sleeve, a second shockproof sleeve is sleeved on the outer surface of the first shockproof sleeve, and a third shockproof sleeve is sleeved on the outer surface of the second shockproof sleeve, so that the shockproof performance of the device is greatly improved.

Preferably, buffer gear including with outer annular body inner wall fixed connection's first buffer beam, the inner chamber bottom fixedly connected with buffer spring of first buffer beam, buffer spring's other end fixedly connected with second buffer beam, the one end that buffer spring was kept away from to the second buffer beam extend to the outside of first buffer beam and with the outer wall fixed connection of interior annular body to this device's stability has been improved greatly.

Preferably, a plurality of buffering air bags are arranged in the first shockproof sleeve, and the buffering air bags are distributed in an annular array relative to the circle center of the first shockproof sleeve, so that the shockproof effect of the device is improved.

Preferably, the second shockproof sleeve is filled with a sponge body, the outer surface of the second shockproof sleeve is provided with a plurality of through holes, the third shockproof sleeve is provided with an elastic rubber body, and the elastic rubber body is provided with a plurality of grooves communicated with the through holes, so that the shockproof effect of the device is further improved, and the service life of the shockproof sleeve in the device is longer.

Preferably, be provided with the connector between sound room and the diaphragm, the inside spread groove and the diaphragm looks adaptation of connector, the inside of diaphragm is provided with the voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil passes through wire and control circuit board electric connection to the tone quality of having avoided moving coil formula miaow core receives the damage.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses a set up first shockproof cover, second shockproof cover, third shockproof cover, buffering gasbag, cavernosum and elastic rubber body for this device can effectively reduce the vibration range of diaphragm through the multiple shockproof structure of shockproof circle inside, thereby very big reduction the noise volume of moving coil formula miaow core, and then greatly improved the practicality and the market competition of this device;

2. the utility model discloses still through setting up outer ring body, inner ring body, first buffer beam, second buffer beam and buffer spring for this device can reduce the vibration amplitude of sound headrest and sound room through buffer structure, thereby the vibration amplitude of reduction diaphragm that can step forward, and then makes the shockproof effect of making an uproar of falling of this device better.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is an exploded view of the whole of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the inner structure of the shockproof ring of the present invention;

fig. 4 is a schematic view of the internal structure of the sound head pad of the present invention;

fig. 5 is a schematic view of the internal structure of the buffer mechanism of the present invention;

in the figure: 1. a moving-coil type microphone shell; 2. a shockproof ring; 21. a first anti-vibration sleeve; 22. a second anti-vibration sleeve; 23. a third shock-proof sleeve; 24. a buffer air bag; 25. a sponge body; 26. an elastic rubber body; 27. a groove; 3. a magnet; 4. a sound chamber; 5. a sound head pad; 51. an outer ring body; 52. a buffer mechanism; 521. a first buffer rod; 522. a buffer spring; 523. a second buffer rod; 53. an inner ring body; 6. a membrane.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides a moving coil miaow core with shockproof function, low noise, including moving coil miaow core shell 1, one side fixedly connected with sound head pad 5 of moving coil miaow core shell 1, sound head pad 5 is including outer loop 51, the inner wall fixedly connected with buffer gear of outer loop 51, buffer gear's other end fixedly connected with inner loop 53, the inside fixedly connected with circle 2 that takes precautions against earthquakes of inner loop 53, the inside fixedly connected with sound room 4 of circle 2 that takes precautions against earthquakes, the one end fixedly connected with magnet 3 of sound room 4, the other end fixedly connected with diaphragm 6 of sound room 4.

In a preferred embodiment, the anti-vibration ring 2 comprises a first anti-vibration sleeve 21, a second anti-vibration sleeve 22 is sleeved on the outer surface of the first anti-vibration sleeve 21, a third anti-vibration sleeve 23 is sleeved on the outer surface of the second anti-vibration sleeve 22, and the anti-vibration effect of the anti-vibration ring 2 is better by utilizing the different anti-vibration effects of the triple anti-vibration sleeves.

In a preferred embodiment, the buffering mechanism 52 includes a first buffering rod 521 fixedly connected to an inner wall of the outer ring body 51, a buffering spring 522 is fixedly connected to a bottom of an inner cavity of the first buffering rod 521, a second buffering rod 523 is fixedly connected to the other end of the buffering spring 522, one end of the second buffering rod 523, which is far away from the buffering spring 522, extends to an outside of the first buffering rod 521 and is fixedly connected to an outer wall of the inner ring body 53, when the external shock interference occurs, the outer ring body 51 pushes the first buffering rod 521, so that the first buffering rod 521 compresses the buffering spring 522, and at this time, the buffering spring 522 forms a reverse acting force, thereby effectively buffering an impact force received by the outer ring body 51.

In a preferred embodiment, a plurality of buffering air bags 24 are arranged inside the first anti-vibration sleeve 21, and the plurality of buffering air bags 24 are distributed in an annular array relative to the center of the circle of the first anti-vibration sleeve 21, so that the first anti-vibration sleeve 21 can effectively reduce the vibration received by the anti-vibration ring 2 by using the elastic action of the buffering air bags 24.

In a preferred embodiment, the second anti-vibration sleeve 22 is filled with a sponge 25, the outer surface of the second anti-vibration sleeve 22 is provided with a plurality of through holes, the third anti-vibration sleeve 23 is provided with an elastic rubber 26, the elastic rubber 26 is provided with a plurality of grooves 27 communicated with the through holes, when vibration occurs, the sponge inside the second anti-vibration sleeve 22 can effectively relieve part of the impact force, then part of the sponge can enter the grooves 27 through the through holes while relieving the impact force, so that a plurality of convex sponges are formed on the outer surface of the second anti-vibration sleeve 22, the anti-vibration effect of the second anti-vibration sleeve 22 is further improved, then the third anti-vibration sleeve 23 can further relieve the impact force on the anti-vibration ring 2 by the elastic action of the elastic rubber 26 inside the third anti-vibration sleeve 23, and the elastic recovery action of the elastic rubber 26 is utilized, so that after the vibration is finished, the elastic rubber body 26 can push the sponge body back to the interior of the second shockproof sleeve 22 under the elastic action.

In a preferred embodiment, a connecting body is arranged between the sound chamber 4 and the diaphragm 6, a connecting groove in the connecting body is matched with the diaphragm 6, a voice coil is arranged in the diaphragm 6, the voice coil is electrically connected with the control circuit board through a lead, and the connecting body can enable the diaphragm 6 to be fixed with the sound chamber 4 more tightly, so that the position of the diaphragm 6 is prevented from changing, and the damage to the sound quality of the moving-coil microphone core is avoided.

The utility model discloses a theory of operation: when the microphone is used, the sound wave can drive the diaphragm 6 inside the moving-coil microphone core to vibrate, the voice coil inside the magnetic field can be driven to vibrate together when the diaphragm 6 vibrates, so that the magnetic field generates induction current, the magnitude and direction change frequency of the induction current are controlled by the sound wave, amplified sound is emitted through the converter and the loudspeaker at last, when the moving-coil microphone core is vibrated by external interference, the sound head pad 5 can firstly reduce the vibration amplitude of the sound chamber 4 through the buffer mechanism 52, and then the vibration amplitude of the sound chamber 4 is further reduced through the triple shockproof sleeve inside the shockproof coil 2, so that the vibration amplitude of the diaphragm 6 is greatly reduced, and the noise generated when the moving-coil microphone core is interfered by the external environment is effectively reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a moving coil miaow core with shockproof function, low noise, includes moving coil miaow core shell (1), its characterized in that: the microphone comprises a moving coil type microphone core shell (1), wherein a sound head pad (5) is fixedly connected to one side of the moving coil type microphone core shell (1), the sound head pad (5) comprises an outer ring body (51), a buffer mechanism is fixedly connected to the inner wall of the outer ring body (51), an inner ring body (53) is fixedly connected to the other end of the buffer mechanism, a shockproof ring (2) is fixedly connected to the inner portion of the inner ring body (53), a sound chamber (4) is fixedly connected to the inner portion of the shockproof ring (2), a magnet (3) is fixedly connected to one end of the sound chamber (4), and a diaphragm (6) is fixedly connected to the other end of the sound chamber (4).

2. The moving-coil type microphone core with shock-proof function and low noise as claimed in claim 1, wherein: the shockproof ring (2) comprises a first shockproof sleeve (21), a second shockproof sleeve (22) is sleeved on the outer surface of the first shockproof sleeve (21), and a third shockproof sleeve (23) is sleeved on the outer surface of the second shockproof sleeve (22).

3. The moving-coil type microphone core with shock-proof function and low noise as claimed in claim 1, wherein: buffer gear (52) including with outer ring body (51) inner wall fixed connection's first buffer pole (521), the inner chamber bottom fixed connection of first buffer pole (521) has buffer spring (522), the other end fixed connection of buffer spring (522) has second buffer pole (523), the one end that buffer spring (522) was kept away from in second buffer pole (523) extends to the outside of first buffer pole (521) and with the outer wall fixed connection of interior ring body (53).

4. The moving-coil type microphone core with shock-proof function and low noise as claimed in claim 2, wherein: a plurality of buffering air bags (24) are arranged inside the first shockproof sleeve (21), and the buffering air bags (24) are distributed in an annular array relative to the circle center of the first shockproof sleeve (21).

5. The moving-coil type microphone core with shock-proof function and low noise as claimed in claim 2, wherein: the anti-vibration device is characterized in that a sponge body (25) is filled in the second anti-vibration sleeve (22), a plurality of through holes are formed in the outer surface of the second anti-vibration sleeve (22), an elastic rubber body (26) is arranged in the third anti-vibration sleeve (23), and a plurality of grooves (27) communicated with the through holes are formed in the elastic rubber body (26).

6. The moving-coil type microphone core with shock-proof function and low noise as claimed in claim 1, wherein: the voice coil is characterized in that a connector is arranged between the sound chamber (4) and the diaphragm (6), a connecting groove in the connector is matched with the diaphragm (6), a voice coil is arranged in the diaphragm (6), and the voice coil is electrically connected with the control circuit board through a wire.