CN210016633U - Novel waterproof unidirectional electret microphone structure - Google Patents
Novel waterproof unidirectional electret microphone structure Download PDFInfo
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- CN210016633U CN210016633U CN201921405243.8U CN201921405243U CN210016633U CN 210016633 U CN210016633 U CN 210016633U CN 201921405243 U CN201921405243 U CN 201921405243U CN 210016633 U CN210016633 U CN 210016633U
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- waterproof
- fixedly connected
- shell
- circuit board
- electret microphone
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Abstract
The utility model discloses a novel structure of waterproof unidirectional electret microphone, which comprises an outer shell, shell cavity's bottom fixedly connected with diaphragm, the top of diaphragm is through insulating pad fixedly connected with back of the body polar plate, the equal fixedly connected with cavity in the left and right sides, the equal fixedly connected with copper chamber in the left and right sides at back of the body polar plate top, the top fixedly connected with circuit board in copper chamber. The utility model discloses a waterproof net of first damping of bottom fixedly connected with of shell, played and utilized its waterproof characteristic and the little characteristic of ventilative volume, the waterproof effect in bottom has been reached, the waterproof net of right side fixedly connected with second damping through the shell top, the waterproof and damped effect in top has been played, the top fixed connection of glue and shell inner chamber is passed through at the top through the circuit board, it is better to have played waterproof effect, it needs waterproof formula unidirectional microphone to have solved the market, conventional electret microphone is waterproof poor, the unable waterproof problem even.
Description
Technical Field
The utility model relates to a microphone technical field specifically is a novel waterproof unidirectional electret microphone's structure.
Background
The damping material is arranged in the unidirectional electret microphone, difference operation is carried out on sound received by the back of the attenuation delay microphone and sound received by the front of the attenuation delay microphone, the directional characteristic of the unidirectional electret microphone is embodied by the sensitivity difference value of the microphone in the directions of front zero degree and back one hundred eighty degrees, along with the technical development, the application field of the electret microphone is expanded, the performance requirement is higher and higher, the existing market needs a waterproof unidirectional microphone, the conventional electret microphone is poor in waterproof performance and even cannot be waterproof, and therefore a novel waterproof unidirectional electret microphone structure is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel waterproof unidirectional microphone's structure possesses the good advantage of water-proof effects, has solved market needs waterproof formula unidirectional microphone, and conventional electret microphone is waterproof poor, the unable waterproof problem even.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel waterproof one-way electret microphone's structure, which comprises an outer shell, shell cavity's bottom fixedly connected with diaphragm, insulating pad fixedly connected with back plate is passed through at the top of diaphragm, the equal fixedly connected with cavity in the left and right sides of back plate, the equal fixedly connected with copper chamber in the left and right sides at back plate top, the top fixedly connected with circuit board in copper chamber, the left side fixedly connected with FFT connection piece of circuit board bottom, glue and shell cavity's top fixed connection is passed through at the top of circuit board, the waterproof net of right side fixedly connected with second damping at shell top, the waterproof net of the first damping of bottom fixedly connected with of shell.
Preferably, the middle end of the bottom of the shell is provided with a through hole, and an inner cavity of the through hole is fixedly connected with a dust screen.
Preferably, the left side and the right side of the back plate are both provided with vent holes, and the vent holes are uniform in size and are symmetrically arranged.
Preferably, the right side of the circuit board is provided with a preformed hole, and the preformed hole is in a circular shape.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a waterproof net of first damping of bottom fixedly connected with of shell, played and utilized its waterproof characteristic and the little characteristic of ventilative volume, the waterproof effect in bottom has been reached, the waterproof net of right side fixedly connected with second damping through the shell top, the waterproof and damped effect in top has been played, the top fixed connection of glue and shell inner chamber is passed through at the top through the circuit board, it is better to have played waterproof effect, it needs waterproof formula unidirectional microphone to have solved the market, conventional electret microphone is waterproof poor, the unable waterproof problem even.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a housing; 2. a first damping waterproof net; 3. a membrane; 4. a back plate; 5. a cavity; 6. a copper cavity; 7. a second damping waterproof net; 8. a circuit board; 9. connecting a FFT sheet; 10. and (4) glue.
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.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses a shell 1, the waterproof net of first damping 2, diaphragm 3, back plate 4, cavity 5, copper chamber 6, the waterproof net of second damping 7, circuit board 8, FFT connection piece 9 and glue 10 part are the general standard or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.
Referring to fig. 1, a novel waterproof unidirectional electret microphone structure comprises a housing 1, a diaphragm 3 is fixedly connected to the bottom of an inner cavity of the housing 1, a back plate 4 is fixedly connected to the top of the diaphragm 3 through an insulating pad, cavities 5 are fixedly connected to the left and right sides of the back plate 4, copper cavities 6 are fixedly connected to the left and right sides of the top of the back plate 4, a circuit board 8 is fixedly connected to the top of the copper cavity 6, an FFT connecting sheet 9 is fixedly connected to the left side of the bottom of the circuit board 8, the top of the circuit board 8 is fixedly connected to the top of the inner cavity of the housing 1 through glue 10, so that a waterproof effect is better, a second damping waterproof net 7 is fixedly connected to the right side of the top of the housing 1, so that a top waterproof and damping effect is achieved, a first damping waterproof net 2 is fixedly connected to the bottom of the housing 1, so that the waterproof property and the, the waterproof effect in bottom has been reached, and the through-hole has been seted up to the middle-end of 1 bottom on the shell, and the inner chamber fixedly connected with dust screen of through-hole, and the air vent has all been seted up to the left and right sides of back polar plate 4, and the air vent size is unanimous, and the symmetry sets up, and the preformed hole has been seted up on circuit board 8's right side, and the preformed hole is circular setting.
During the use, the waterproof net of the first damping of bottom fixedly connected with 2 through shell 1, played and utilized its waterproof characteristic and the little characteristic of ventilative volume, the waterproof effect in bottom has been reached, the waterproof net of right side fixedly connected with second damping 7 at 1 top through the shell, the waterproof and damped effect in top has been played, the top fixed connection of glue 10 and 1 inner chamber of shell is passed through at the top through circuit board 8, it is better to have played waterproof effect, it needs waterproof formula one-direction microphone to have solved the market, conventional electret microphone is waterproof poor, the unable waterproof problem even.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a novel waterproof one-way electret microphone's structure, includes shell (1), its characterized in that: the bottom fixedly connected with diaphragm (3) of shell (1) inner chamber, the top of diaphragm (3) is through insulating pad fixedly connected with back plate (4), the equal fixedly connected with cavity (5) of the left and right sides of back plate (4), the equal fixedly connected with copper chamber (6) of the left and right sides at back plate (4) top, the top fixedly connected with circuit board (8) of copper chamber (6), the left side fixedly connected with FFT connection piece (9) of circuit board (8) bottom, the top fixed connection of glue (10) and shell (1) inner chamber is passed through at the top of circuit board (8), the waterproof net of right side fixedly connected with second damping (7) at shell (1) top, the waterproof net of the first damping (2) of bottom fixedly connected with of shell (1).
2. The novel waterproof unidirectional electret microphone structure of claim 1, wherein: the middle end of the bottom of the shell (1) is provided with a through hole, and the inner cavity of the through hole is fixedly connected with a dust screen.
3. The novel waterproof unidirectional electret microphone structure of claim 1, wherein: the left side and the right side of the back plate (4) are both provided with vent holes, and the vent holes are uniform in size and are symmetrically arranged.
4. The novel waterproof unidirectional electret microphone structure of claim 1, wherein: the preformed hole has been seted up on the right side of circuit board (8), and the preformed hole is circular setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921405243.8U CN210016633U (en) | 2019-08-27 | 2019-08-27 | Novel waterproof unidirectional electret microphone structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921405243.8U CN210016633U (en) | 2019-08-27 | 2019-08-27 | Novel waterproof unidirectional electret microphone structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210016633U true CN210016633U (en) | 2020-02-04 |
Family
ID=69320133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921405243.8U Active CN210016633U (en) | 2019-08-27 | 2019-08-27 | Novel waterproof unidirectional electret microphone structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210016633U (en) |
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2019
- 2019-08-27 CN CN201921405243.8U patent/CN210016633U/en active Active
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