CN215734814U - Front pickup type microphone system waterproof structure without influence on tone quality - Google Patents
Front pickup type microphone system waterproof structure without influence on tone quality Download PDFInfo
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- CN215734814U CN215734814U CN202122061799.3U CN202122061799U CN215734814U CN 215734814 U CN215734814 U CN 215734814U CN 202122061799 U CN202122061799 U CN 202122061799U CN 215734814 U CN215734814 U CN 215734814U
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Abstract
The utility model discloses a front pickup microphone system waterproof structure without influence on tone quality, which comprises a shell, a microphone sleeve and a microphone attached to the surface of a microphone driving circuit board, wherein the back of the microphone driving circuit board attached to a microphone body is a smooth outer surface and has no through hole; one end of the microphone sleeve is fixedly adhered to the surface of the microphone driving circuit board through waterproof double-faced adhesive tape and wraps and seals the microphone, and the other end of the microphone sleeve is provided with an elastic sealing part of the microphone sleeve and is pressed on the inner surface of the shell in an interference fit manner; the shell is provided with a shell sound picking hole, and the shell sound picking hole is communicated with a microphone sleeve sound picking hole arranged on the microphone sleeve and a microphone sound picking hole arranged on the microphone body. The waterproof structure of the front pickup type microphone system without influence on the tone quality can enable the microphone body to be located in a closed area through special matching installation of the microphone sleeve and the microphone driving circuit board, the shell and the microphone, so that the waterproof effect without influence on the tone quality is achieved.
Description
Technical Field
The utility model relates to the technical field of waterproofing of a front pickup type microphone system of a law enforcement recorder, in particular to a waterproof structure of the front pickup type microphone system without influence on tone quality.
Background
The law enforcement recorder is mainly used for law enforcement and evidence collection of state organs such as public inspection law and the like, the requirement on evidence shot by the law enforcement recorder is higher and higher along with the implementation of state civilization law enforcement, the picture of the evidence process of the law enforcement recorder is required to be recorded, and the sound in the process is required to be highly consistent with the field in size and tone quality. The existing law enforcement needs to be performed all weather, especially for traffic police, so that the law enforcement recorder can meet the requirements only by achieving a waterproof function, and a waterproof film is attached to a microphone pickup hole in many microphone waterproof schemes, so that the waterproof film can cause sound loss to the microphone pickup, and the recorded evidence volume becomes smaller and the sound quality becomes worse.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a waterproof structure of a front sound pickup type microphone system, which is used for a law enforcement recorder and has no influence on sound quality, so that the waterproof performance of the microphone system is improved.
The utility model provides a front pickup microphone system waterproof structure system without influence on sound quality, which comprises a shell, a microphone sleeve and a microphone body attached to the surface of a microphone driving circuit board, wherein the back of the microphone driving circuit board attached to the microphone body is a smooth outer surface and has no through hole; one end of the microphone sleeve is fixed on the surface of the microphone driving circuit board in a sticking mode through waterproof double-faced adhesive and wraps and seals the microphone body, and the other end of the microphone sleeve is provided with an elastic sealing part of the microphone sleeve and is tightly pressed on the inner surface of the shell in an interference fit mode; the shell is provided with a shell sound picking hole, and the shell sound picking hole is communicated with a microphone sleeve sound picking hole arranged on the microphone sleeve and a microphone sound picking hole arranged on the microphone body.
Preferably, the microphone cover comprises a microphone cover square end and a microphone cover conical end, the microphone cover square end is fixed on the surface of the microphone driving circuit board through a waterproof double-sided adhesive tape, and the microphone cover conical end is pressed on the inner surface of the shell in an interference fit mode through the microphone cover elastic sealing part.
Preferably, the square end of the microphone cover is provided with a step surface-shaped covering groove for covering and sealing the microphone body.
Preferably, the longitudinal sectional surface of the elastic sealing part of the microphone holder is triangular.
Preferably, the elastic sealing part of the microphone cover is slightly smaller than the conical end part of the microphone cover, and the elastic sealing part of the microphone cover is connected with the outer side of the conical end part of the microphone cover in an excessive way by a step.
Preferably, the inner hole of the elastic sealing part of the microphone cover is connected with the microphone cover sound pickup hole in an excessive way by a step.
Preferably, the elastic sealing part of the microphone sleeve and the contact part of the inner surface of the shell are smooth outer surfaces.
According to the front pickup type microphone system waterproof structure without influence on sound quality, the back surface of the microphone driving circuit board attached to the microphone body is a smooth outer surface and has no through hole, one end of the microphone sleeve is attached and fixed to the surface of the microphone driving circuit board through the waterproof double-faced adhesive, and a sealed closed area is formed after the microphone body is wrapped and sealed, so that the microphone body achieves a waterproof effect on the side of the microphone driving circuit board; the other end of the microphone sleeve is tightly pressed on the inner surface of the shell in an interference fit mode through the elastic sealing part of the microphone sleeve, so that the contact surface of the shell and the microphone sleeve forms a sealed closed region, a sealed cavity is formed, external sound can be fully guided into the microphone body through the sound pickup hole of the shell, the sound pickup hole of the microphone sleeve and the sound pickup hole of the microphone, and the waterproof effect of the microphone system without influence on the sound quality is achieved.
Drawings
Fig. 1 is a sectional view showing a waterproof structure of a front pickup microphone system according to the present invention, which has no influence on sound quality;
fig. 2 is a longitudinal sectional view of a microphone holder according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a cross-sectional view of a waterproof structure of a front sound pickup type microphone system having no influence on sound quality according to an embodiment of the present invention, as shown in fig. 1, including a housing 1, a microphone holder 2, and a microphone body 4 attached to a surface of a microphone driving circuit board 3, where a back surface of the microphone driving circuit board 3 attached to the microphone body is a smooth outer surface and has no through hole; one end of the microphone sleeve 2 is fixedly adhered to the surface of the microphone driving circuit board 3 through a waterproof double-faced adhesive tape 5 and covers and seals the microphone body 4, and the other end of the microphone sleeve is provided with a microphone sleeve elastic sealing part 6 and is tightly pressed on the inner surface of the shell 1 in an interference fit manner; the casing 1 is provided with a casing sound pick-up hole 7, and the casing sound pick-up hole 7 is communicated with a microphone sleeve sound pick-up hole 8 arranged on the microphone sleeve and a microphone sound pick-up hole 9 arranged on the microphone body.
The shell sound pickup hole 7 is communicated with the microphone sound pickup hole 9 in an aligned mode, and external sound is sufficiently led into the microphone body 4; the inner surface contact part of the elastic sealing part 6 of the microphone sleeve and the shell 1 is a smooth outer surface, so that the elastic sealing part 6 of the microphone sleeve and the inner surface of the shell 1 are guaranteed to play a sealing role under the condition of prepressing, and a waterproof effect is achieved.
Microphone cover sound pick-up hole 8 aligns the intercommunication with microphone sound pick-up hole 9, fully with the leading-in microphone body 4 of external tone quality. The microphone body 4 is wrapped and sealed by the square end part 2-1 of the microphone sleeve through the wrapping groove 2-3 of the step surface shape, the wrapping groove 2-3 can be arranged according to the shape of the microphone body 4, and the microphone body 4 is tightly pressed with the wrapping groove 2-3, as shown in figure 2, the microphone body 4 is tightly pressed on the shoulder part of the step surface of the wrapping groove 2-3, and the microphone sleeve, the microphone and the microphone driving circuit board form a sealed cavity, so that a better waterproof effect is achieved.
As shown in fig. 2, the longitudinal cross-sectional surface of the elastic sealing part 6 of the microphone cover is triangular and slightly smaller than the conical end part 2-2 of the microphone cover, the elastic sealing part 6 of the microphone cover is excessively connected with the outer side of the conical end part 2-2 of the microphone cover by a step, the inner hole of the elastic sealing part 6 of the microphone cover is excessively connected with the sound pickup hole 8 of the microphone cover by the step, and the inner hole of the elastic sealing part 6 of the microphone cover is slightly larger than the sound pickup hole 8 of the microphone cover, so that the deformation capacity of the elastic sealing part 6 of the microphone cover can be effectively increased, the elastic sealing part can be tightly pressed with the inner surface of the shell 1 in an interference fit manner, and a better waterproof effect is achieved.
The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.
Claims (7)
1. A waterproof structure of a front pickup microphone system without influence on tone quality comprises a shell, a microphone sleeve and a microphone body attached to the surface of a microphone driving circuit board, and is characterized in that the back surface of the microphone driving circuit board attached to the microphone body is a smooth outer surface and has no through hole; one end of the microphone sleeve is fixed on the surface of the microphone driving circuit board in a sticking mode through waterproof double-faced adhesive and wraps and seals the microphone body, and the other end of the microphone sleeve is provided with an elastic sealing part of the microphone sleeve and is tightly pressed on the inner surface of the shell in an interference fit mode; the shell is provided with a shell sound picking hole, and the shell sound picking hole is communicated with a microphone sleeve sound picking hole arranged on the microphone sleeve and a microphone sound picking hole arranged on the microphone body.
2. The waterproof structure of a microphone system according to claim 1, wherein the microphone holder includes a square end portion and a conical end portion, the square end portion is fixed to the surface of the microphone driving circuit board by a waterproof double-sided tape, and the conical end portion is pressed against the inner surface of the housing by an interference fit with the elastic sealing portion of the microphone holder.
3. The waterproof structure for a microphone system according to claim 2, wherein the microphone case has a rectangular end portion provided with a stepped cover groove for covering and sealing the microphone body.
4. The waterproof structure for a front microphone system without affecting the sound quality as claimed in claim 2, wherein the microphone holder elastic sealing portion has a triangular shape in a longitudinal sectional view.
5. The sound quality-unaffected waterproof structure for a front microphone system as set forth in claim 4, wherein the elastic sealing portion of the microphone holder is slightly smaller than the conical end of the microphone holder, and the elastic sealing portion of the microphone holder is excessively connected to the outside of the conical end of the microphone holder by a step.
6. The waterproof structure of a microphone system having no influence on sound quality as claimed in claim 4, wherein the inner hole of the elastic sealing portion of the microphone holder is connected to the microphone holder sound pickup hole by a step.
7. The waterproof structure of a microphone system for the front pickup type having no influence on the sound quality as claimed in any one of claims 1 to 6, wherein the elastic sealing portion of the microphone holder and the inner surface of the housing are smooth outer surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122061799.3U CN215734814U (en) | 2021-08-30 | 2021-08-30 | Front pickup type microphone system waterproof structure without influence on tone quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122061799.3U CN215734814U (en) | 2021-08-30 | 2021-08-30 | Front pickup type microphone system waterproof structure without influence on tone quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215734814U true CN215734814U (en) | 2022-02-01 |
Family
ID=80009154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122061799.3U Active CN215734814U (en) | 2021-08-30 | 2021-08-30 | Front pickup type microphone system waterproof structure without influence on tone quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215734814U (en) |
-
2021
- 2021-08-30 CN CN202122061799.3U patent/CN215734814U/en active Active
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