CN214675565U - Microphone pickup and pickup system - Google Patents
Microphone pickup and pickup system Download PDFInfo
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- CN214675565U CN214675565U CN202120601034.1U CN202120601034U CN214675565U CN 214675565 U CN214675565 U CN 214675565U CN 202120601034 U CN202120601034 U CN 202120601034U CN 214675565 U CN214675565 U CN 214675565U
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Abstract
The application discloses microphone adapter and pickup system. The microphone adapter of the application includes: comprises a shell, a cover body, a PCB board and at least one microphone component. The shell defines a cavity, and the cavity comprises an opening; the cover body is used for sealing the opening; the PCB is accommodated in the cavity and is parallel to the plane of the cover body, and at least one notch is formed in the periphery of the PCB; the microphone assembly is arranged in the gap, and a gap is reserved between the microphone assembly and the shell; wherein, the number of the gaps is equal to the number of the microphone components. The microphone adapter of the embodiment of the application can realize ultra-wide-band and ultra-wide directional output of the microphone by arranging the microphone assembly in the notch of the PCB and leaving a certain gap with the inner wall of the shell, so that the microphone adapter improves the sound pickup effect of the microphone adapter under high-frequency or low-frequency bands, and can meet the requirements of different scenes on the microphone adapter.
Description
Technical Field
The application relates to the field of microphone application, in particular to a microphone pickup and a pickup system.
Background
With the advent of various voice products, the application field of microphones is more and more extensive, and the requirements on microphone pickups are more and more strict. However, the microphone pickup widely used at present has a narrow output bandwidth, almost no directivity at high and low frequencies, and a poor pickup effect.
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving at least one of the problems in the prior art. Therefore, the microphone pickup can achieve ultra-wide-band and ultra-wide directional output of the microphone, and improves the directivity of the microphone pickup on high and low frequencies.
The application also provides a pickup system with the microphone pickup.
A microphone pickup according to an embodiment of the first aspect of the present application includes:
a housing defining a cavity, the cavity including an opening;
a cover for closing the opening;
the PCB is accommodated in the cavity and is parallel to the plane of the cover body, and at least one notch is formed in the periphery of the PCB;
the microphone assembly is arranged in the gap, and a gap is reserved between the microphone assembly and the shell;
wherein the number of the notches is equal to the number of the microphone assemblies.
According to the microphone adapter of the embodiment of the application, at least the following beneficial effects are achieved: through setting up the microphone subassembly in the breach of PCB board to leave certain space with shells inner wall, microphone ultra wide band, ultra wide directive property output can be realized to this kind of structure, have improved the pickup effect of microphone adapter under high frequency or low frequency channel, can satisfy the demand to the microphone adapter under the different scenes.
According to some embodiments of the present application, the microphone assembly comprises: a microphone; the silicon rubber sleeve wraps the microphone, and two ends of the silicon rubber sleeve are provided with first fixing pieces; and the two sides of the notch are provided with first screw holes corresponding to the first fixing piece.
According to some embodiments of the present application, the housing is cylindrical, and the housing sidewall defines at least one first sound inlet hole.
According to some embodiments of the present application, the cover body is provided with at least one second sound inlet hole.
According to some embodiments of the application, the microphone pickup further comprises: and the screen cloth is arranged on the inner wall of the shell.
According to some embodiments of the application, the microphone pickup further comprises: and the battery is arranged at the bottom of the PCB and used for supplying power to the microphone pickup.
According to some embodiments of the application, the microphone pickup further comprises: the charging interface is arranged inside the cavity and connected with the shell.
According to some embodiments of the present application, the number of the gaps and the number of the microphone assemblies are 8, and the gaps are arranged at equal intervals.
According to some embodiments of the present application, the microphone assembly center is disposed corresponding to the PCB board thickness center.
A sound pickup system according to an embodiment of the second aspect of the present application comprises a microphone sound pickup according to an embodiment of the first aspect of the present application described above.
According to the sound pick-up of the embodiment of the application, at least the following beneficial effects are achieved: through adopting above-mentioned microphone adapter, improved pickup effect of pickup system, realized having the directive property at high frequency, low frequency channel, satisfied the demand to pickup system under the different scenes.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The present application is further described with reference to the following figures and examples, in which:
fig. 1 is a schematic structural diagram of a microphone pickup according to an embodiment of the present disclosure;
fig. 2 is a cross-sectional view of the microphone pickup a-a of fig. 1;
FIG. 3 is a schematic view of another embodiment of a microphone adapter;
FIG. 4 is a schematic structural diagram of the PCB board of FIG. 1;
fig. 5 is a schematic structural diagram of a microphone assembly according to an embodiment of the present application.
Reference numerals:
the microphone assembly comprises a shell 100, a first sound inlet hole 110, a mesh cloth 120, a cover body 200, a second sound inlet hole 210, a PCB 300, a notch 310, a first screw hole 320, a microphone assembly 400, a microphone 410, a silica gel sleeve 420, a first fixing piece 421, a battery 500 and a charging interface 600.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present number, and the above, below, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
In the description of the present application, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
A microphone pickup according to an embodiment of the present application is described below with reference to fig. 1 to 4.
As shown in fig. 1 to 4, a microphone cartridge according to an embodiment of the present application includes a case 100, a cover 200, a PCB board 300, and at least one microphone assembly 400.
The housing 100 defines a cavity including an opening; the cover body 200 is used for closing the opening; the PCB 300 is accommodated in the cavity and parallel to the plane of the cover 200, and at least one notch 310 is formed on the periphery of the PCB 300; the microphone assembly 400 is disposed in the gap 310, and a gap is left between the microphone assembly and the casing 100; wherein the number of the gaps 310 is equal to the number of the microphone assemblies 400.
For example, as shown in fig. 1 to 4, the housing 100 of a microphone pick-up is generally a cylindrical structure, forming a cavity, and an opening is left in the cylindrical structure at a position of the bottom surface for accommodating components. The cover 200 is placed on the upper bottom surface of the cylinder to close the opening, thereby forming a closed structure.
The PCB 300 is disposed inside the casing 100, the diameter of the PCB 300 is equal to the inner diameter of the casing 100, and the PCB 300 is fixed inside the cavity by gluing, screwing, and the like, wherein the plane of the PCB 300 is parallel to the plane of the cover 200. The PCB 300 is provided with a circuit, the periphery of the PCB 300 is provided with at least one notch 310, the notch 310 is a U-shaped opening for fixing the microphone assembly 400, wherein the microphone assembly 400 can be fixed by screws, glue, and the like. It is understood that the notch 310 formed on the outer periphery of the PCB 300 may also be formed in other shapes such as a circle, a polygon, etc.
The number of the microphone assemblies 400 is the same as that of the notches 310, and when the microphone assemblies 400 are placed in the notches 310, a certain gap exists between the microphone assemblies 400 and the casing 100, so that sound can be picked up conveniently. In addition, since the notch 310 is a U-shaped opening, a certain gap is also left between the microphone assembly 400 and the curved surface of the U-shaped opening.
According to the microphone adapter of the embodiment of the application, the microphone assembly is arranged in the notch of the PCB and a certain gap is reserved between the microphone assembly and the inside of the shell, the structure can realize ultra-wide-band and ultra-wide-directivity output of the microphone, the sound pickup effect of the microphone adapter under high-frequency or low-frequency bands is improved, and the requirements for the microphone adapter under different scenes can be met.
In some embodiments of the present application, the microphone assembly includes a microphone and a silicone sleeve, the silicone sleeve covers the microphone, two ends of the silicone sleeve are provided with a first fixing member, wherein two sides of the notch and a position corresponding to the first fixing member are provided with a first screw hole. For example, as shown in fig. 4 and 5, the microphone assembly 400 includes a microphone 410 and a silicone sleeve 420, the microphone 410 is substantially a cylinder structure, and the silicone sleeve 420 covers the side surface of the microphone 410 for protecting and fixing the microphone 410 and preventing the microphone 410 from falling off. The two ends of the silica gel sleeve 420 are provided with first fixing members 421, and the PCB 300 on the two sides of the notch 310 is provided with first screw holes 320, wherein the positions of the first screw holes 320 are matched with the positions of the first fixing members 421. Through the cooperation of first mounting 421 and first screw 320, fix microphone subassembly 400 on PCB board 300, make it and the inside certain gap that leaves of casing, guarantee that sound advances or goes out and form a closed loop to can satisfy the requirement to microphone adapter pickup effect under the different scenes. The surface of the silica gel sleeve 420 is provided with a through hole, so that the microphone 410 is partially exposed, and sound can be received and transmitted better.
In some embodiments of the present application, the housing is cylindrical, and the sidewall of the housing is opened with at least one first sound inlet hole. For example, as shown in fig. 3, five rows of first sound inlet holes 110 are provided in the side wall of the casing 100, wherein the first sound inlet holes 110 in the first row and the fifth row have the same shape and size and are circular; the first sound inlet holes 110 of the second row and the fourth row have the same shape and size, and are oval. It is understood that the shape and size of the first sound inlet hole 110 can be set according to actual requirements. In addition, in order to improve the sound receiving effect and realize ultra-wideband and ultra-wideband directivity of the sound output, the opening ratio of the first sound inlet hole 110 should be greater than or equal to 40% of the area of the casing 100.
In some embodiments of the present application, the cover body is provided with at least one second sound inlet hole. For example, as shown in fig. 3, the second sound inlet hole 210 is disposed on the cover body 200, and the shape of the second sound inlet hole 210 is circular, it is understood that the shape of the second sound inlet hole 210 may also be oval, square, irregular, and the like. In order to ensure that the microphone pickup can achieve ultra-wideband and ultra-wideband directional output, the aperture ratio of the second sound inlet hole 210 is greater than or equal to 40% of the area of the entire cover body 200.
In some embodiments of the present application, the microphone pickup further includes a mesh cloth disposed on the inner wall of the housing. For example, as shown in fig. 2, the mesh cloth 120 is disposed on the inner wall of the housing, and in the microphone pickup of the present application, the air permeability of the mesh cloth 120 is greater than 800 mm/s. The air permeability of the mesh 120 is selected by considering the volume of the cavity formed by the housing 100 and the cover 200. Through the cooperation of screen cloth 120, first sound inlet hole and second sound inlet hole for ultra wide band and super wide directive property are realized to microphone adapter output, can satisfy different common pickup demands.
In some embodiments of the present application, the microphone pickup further includes a battery disposed at the bottom of the PCB board for supplying power to the microphone pickup. For example, as shown in fig. 2, a battery 500 is further provided at the bottom of the PCB board for improving the endurance of the microphone pickup.
In some embodiments of the present application, the microphone adapter further includes a charging interface, the charging interface is disposed inside the cavity, and the charging interface is connected to the housing. For example, as shown in fig. 3, charging interface 600 is disposed inside the cavity and connected to housing 100. The type of charging interface 600 may be type-c, lighting, etc., and charging interface 600 may be used to charge a battery inside a microphone adapter, and may be used as a sound outlet to output sound. The sound signal conversion that microphone adapter will pick up is the signal of telecommunication, handles the back through the circuit on the PCB board, by the interface 600 output that charges, can realize the different pickup demands of many scenes.
In some embodiments of the present application, the number of the notches and the number of the microphone assemblies are both 8, and the notches are arranged at equal intervals. For example, as shown in fig. 4 and 5, 8 notches 310 are formed in the PCB 300, the 8 notches 310 are disposed at equal intervals, the notch 310 is shaped like a U-shaped opening, and two first screw holes 320 are disposed on two sides of the notch 310 respectively for fixing the microphone assembly 400. Because the two sides of the silica gel sleeve of the microphone assembly 400 are provided with the first fixing pieces 421, the first fixing pieces 421 are placed in the first screw holes 320, so that the microphone assembly 400 is positioned and fixed. The 8 notches 310 are arranged at equal intervals, so that sound receiving effects on sound transmitted from different directions are good.
In some embodiments of the present application, the microphone assembly center is disposed corresponding to the PCB board thickness center. For example, as shown in fig. 2, the center position of the microphone assembly 400 is located corresponding to the center position of the thickness of the PCB 300, i.e. the center of the microphone 410 is opposite to the center position of the thickness of the PCB 300. The first fixing member 421 and the first screw hole 320 are disposed to ensure the fixing of the microphone assembly 400 and to realize the accurate positioning between the microphone assembly 400 and the PCB 300. The center of the microphone 410 is opposite to the center of the thickness of the PCB 300, so that the sound receiving effect can be improved.
In some embodiments, the present application provides a sound pickup system, including the microphone pickup in any of the above embodiments. Through adopting above-mentioned microphone adapter, improved pickup effect of pickup system, realized having the directive property at high frequency, low frequency channel, satisfied the demand to pickup system under the different scenes.
A microphone pickup according to an embodiment of the present application is described in detail in one specific embodiment with reference to fig. 2 to 5. It is to be understood that the following description is illustrative only and is not intended to be in any way limiting.
As shown in fig. 2 to 5, the housing 100 of the microphone pick-up is of a generally cylindrical configuration, forming a cavity, with an opening at the top and bottom of the cylindrical configuration. A cover 200 is disposed at the opening for closing the opening to form a closed structure. Be provided with screen cloth 120 on casing 100 inner wall, according to the size of this application microphone adapter cavity volume, the screen cloth 120 air permeability who chooses for use is greater than 800 mm/s. Five rows of first sound inlet holes 110 are formed in the side wall of the shell 100, and the aperture ratio of the first sound inlet holes 110 is greater than or equal to 40% of the area of the shell 100. The cover 200 is provided with a plurality of circular second sound inlet holes 210, and the opening ratio of the second sound inlet holes 210 is greater than or equal to 40% of the whole area of the cover 200.
The PCB 300 is disposed inside the casing 100, the diameter of the PCB 300 is equal to the inner diameter of the casing 100, and the PCB 300 is fixed inside the cavity by gluing, wherein the plane of the PCB 300 is parallel to the plane of the cover 200. The periphery of the PCB 300 is provided with 8U-shaped notches 310, and the 8 notches 310 are arranged at equal intervals. A microphone assembly 400 is placed in each notch 310, each microphone assembly 400 is composed of a microphone 410 and a silica gel sleeve 420 covering the microphone 410, and the center point of each microphone assembly 400 corresponds to the center point of the thickness of the PCB 300, so that a microphone pickup can conveniently receive sound and improve the sound pickup effect. It is understood that the center point of the microphone assembly 400 may be offset up and down with respect to the center of the thickness of the PCB board 300.
The first fixing members 421 are disposed at two ends of the silica gel sleeve 420, the first screw holes 320 are disposed on the PCB 300 at two sides of the notch 310, and the microphone assembly 400 is fixed and positioned by the cooperation of the first fixing members 421 and the first screw holes 320. Through the special structure that sets up microphone subassembly 400 in breach 310 of PCB board 300, can realize microphone ultra wide band and ultra wide directive property frequency response output, improved the pickup effect of microphone adapter under high frequency or low frequency channel.
When sound enters the interior of the casing 100 through the first sound inlet hole 110 and the second sound inlet hole 210, the microphone 410 on the microphone assembly 400 picks up the sound, and the processed sound is output through the charging interface 600, so that the sound forms a closed loop inside the casing 100. A certain gap exists between the microphone assembly 400 and the housing 100 and between the microphone assembly 400 and the PCB 300, so that the volume of the sound cavity around the microphone 410 is sufficient and the reflection surface is small. And then microphone subassembly 400 can be handled the acoustic signal of picking up the back, by the interface 600 output that charges, has realized the multi-scene pickup demand.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Claims (10)
1. The microphone pickup is characterized by comprising
A housing defining a cavity, the cavity including an opening;
a cover for closing the opening;
the PCB is accommodated in the cavity and is parallel to the plane of the cover body, and at least one notch is formed in the periphery of the PCB;
at least one microphone assembly disposed in the gap;
wherein the number of the notches is equal to the number of the microphone assemblies.
2. The microphone pickup of claim 1, wherein the microphone assembly comprises:
a microphone;
the silicon rubber sleeve wraps the microphone, and two ends of the silicon rubber sleeve are provided with first fixing pieces;
and the two sides of the notch are provided with first screw holes corresponding to the first fixing piece.
3. The microphone pickup of claim 2 wherein the housing is cylindrical and the housing sidewall defines at least one first sound inlet opening.
4. The microphone pickup of claim 3 wherein the cover defines at least one second sound inlet aperture.
5. The microphone pickup of claim 4, further comprising:
and the screen cloth is arranged on the inner wall of the shell.
6. The microphone pickup of any one of claims 1 to 5, further comprising:
and the battery is arranged at the bottom of the PCB and used for supplying power to the microphone pickup.
7. The microphone pickup of claim 6, further comprising:
the charging interface is arranged inside the cavity and connected with the shell.
8. The microphone pickup of claim 7 wherein the number of notches and the number of microphone assemblies are both 8, the notches being equally spaced.
9. The microphone pickup of claim 1 wherein the microphone assembly center is positioned to correspond to the PCB board thickness center.
10. A sound pick-up system, characterized in that it comprises a microphone pick-up according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120601034.1U CN214675565U (en) | 2021-03-24 | 2021-03-24 | Microphone pickup and pickup system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120601034.1U CN214675565U (en) | 2021-03-24 | 2021-03-24 | Microphone pickup and pickup system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214675565U true CN214675565U (en) | 2021-11-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120601034.1U Active CN214675565U (en) | 2021-03-24 | 2021-03-24 | Microphone pickup and pickup system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214675565U (en) |
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2021
- 2021-03-24 CN CN202120601034.1U patent/CN214675565U/en active Active
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