CN216982085U - Low microphone noise Bluetooth earphone - Google Patents
Low microphone noise Bluetooth earphone Download PDFInfo
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- CN216982085U CN216982085U CN202220051688.6U CN202220051688U CN216982085U CN 216982085 U CN216982085 U CN 216982085U CN 202220051688 U CN202220051688 U CN 202220051688U CN 216982085 U CN216982085 U CN 216982085U
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Abstract
The application relates to the technical field of Bluetooth earphones, and provides a Bluetooth earphone with low microphone noise, which comprises a bottom shell and an upper shell, wherein a cavity is arranged in the bottom shell, an opening is formed in the top of the bottom shell, and the upper shell is detachably arranged on the top of the bottom shell and used for covering the opening; a plurality of first sound inlet holes are formed in the side surface of the bottom shell, a first communication microphone is arranged in the bottom shell at a position close to the first sound inlet holes, and a first cavity which is communicated with the first sound inlet holes and used for air flow to rotate is reserved in the bottom shell; the upper shell is provided with a plurality of second sound inlet holes, a second microphone is arranged in the position, close to the second sound inlet holes, of the bottom shell, and a second cavity which is communicated with the second sound inlet holes and used for air flow to rotate is reserved in the bottom shell. The application provides a bluetooth headset makes an uproar with low microphone.
Description
Technical Field
This application belongs to earphone technical field, and more specifically says, relates to a bluetooth headset that makes an uproar is makeed to low microphone.
Background
The bluetooth headset applies the bluetooth technology to the hands-free headset, so that a user can avoid the wire from being involved and can easily talk in various ways. The bluetooth specification adopts microwave frequency band work, and transmission rate 1 Mbyte per second, maximum transmission distance 10 meters can reach 100 meters through increasing transmitting power. Bluetooth technology is globally open, has good compatibility in the world, and can be connected into a whole through a low-cost intangible Bluetooth network all over the world.
A noise reduction headset is a type of Bluetooth headset, and only one microphone sound inlet hole is formed in the existing noise reduction headset on the market.
With respect to the related art among the above, the inventors consider that the following drawbacks exist:
when a user faces a fan or uses the Bluetooth headset on a running vehicle, the calling wind sound comes out of the headset loudspeaker, namely the wind noise phenomenon is caused, the wind noise seriously influences the use of the headset for communication or listening to music, and the user is seriously influenced to enjoy high-quality music and communication quality, so that the improvement is needed.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of this application is to provide a bluetooth headset that makes an uproar with low microphone to solve following technical problem: when a user faces a fan or uses a conventional head-wearing Bluetooth headset on a running vehicle, the calling wind sound comes out of a loudspeaker of the headset, namely, the wind noise phenomenon is caused, the wind noise seriously influences the use of the headset for communication or listening to music, and seriously influences the enjoyment of high-quality music and communication quality of the user.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: the Bluetooth headset with the low microphone noise comprises a bottom shell and an upper shell, wherein a cavity is formed in the bottom shell, an opening is formed in the top of the bottom shell, and the upper shell is detachably mounted on the top of the bottom shell and used for covering the opening;
a plurality of first sound inlet holes are formed in the side surface of the bottom shell, a first communication microphone is arranged in the bottom shell at a position close to the first sound inlet holes, and a first cavity which is communicated with the first sound inlet holes and used for air flow to rotate is reserved in the bottom shell;
the upper shell is provided with a plurality of second sound inlet holes, a second communication microphone is arranged in the bottom shell at a position close to the second sound inlet holes, and a second cavity which is communicated with the second sound inlet holes and used for air flow to rotate is reserved in the bottom shell.
In an implementable technical solution of the present application, the first sound inlet hole is provided with two rows, the two rows of the first sound inlet holes are arranged at intervals up and down, and each row of the first sound inlet holes is arranged horizontally.
In an implementable technical scheme of the application, the number of the first sound inlet holes is between 4 and 8.
In an achievable technical solution of the present application, the inner side wall of the bottom case is provided with a vertically arranged U-shaped mounting plate, the U-shaped mounting plate and the inner side wall of the bottom case together form an installation cavity for installing the first microphone, and the installation cavity is communicated with all of the first sound inlet holes.
In an implementation solution of the present application, the first microphone includes a main body portion and a cable bank portion, and a notch for the cable bank portion to extend out is disposed on a side edge of a top portion of the U-shaped mounting plate.
In the technical scheme that can realize of this application, the joint has the silica gel cover in the installation cavity, be provided with the confession on the silica gel cover the draw-in groove of main part installation.
In an achievable technical solution of the present application, the second sound inlet hole is provided with two rows, and the two rows of the second sound inlet hole are arranged in an arc around a circle center, and the two rows of the arc diameters of the second sound inlet hole are not uniform.
In an implementable aspect of the present application, the number of second sound entrance holes is between 25-35.
In an achievable technical scheme of this application, be provided with the installation base of horizontal arrangement in the drain pan, be provided with the double faced adhesive tape on the installation base, second communication microphone install in the upper surface of double faced adhesive tape, be provided with the cotton board of bubble on the upper surface of second communication microphone.
In the technical scheme that can realize of this application, the lower surface of going up the shell is provided with many vertical arrangement's reference column, be equipped with the confession on the foam board reference column bottom male locating hole.
In summary, the present application includes at least one of the following beneficial effects:
1. because the first sound inlet holes are provided with a plurality of sound inlet holes, and the first chamber is arranged in the bottom shell, when wind enters from part of the first sound inlet holes, the wind can rotate in the first chamber and come out from other first sound inlet holes, so that the first sound inlet holes of the first communication microphone are prevented from being blown by all wind, and the purpose of reducing wind noise is achieved.
2. Because the second sound inlet holes are provided with a plurality of second cavities, and the second cavities are arranged in the bottom shell, when wind enters from part of the second sound inlet holes, the wind can rotate in the second cavities and can come out from other second sound inlet holes, so that the second sound inlet holes of the second microphone are prevented from being blown by all wind, and the purpose of reducing wind noise is achieved.
3. Silica gel cover and U-shaped mounting panel use of mutually supporting, make things convenient for first conversation microphone firm installation, the mounting means is fairly simple, and mounting structure is comparatively stable moreover, has certain guard action to first conversation microphone.
4. The mounting base, the double-faced adhesive tape and the foam board are matched with each other for use, so that the second microphone is conveniently and firmly mounted, the mounting mode is simpler, the mounting structure is relatively stable, and the second microphone is protected to a certain extent.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a low microphone noise bluetooth headset according to an embodiment of the present application.
Fig. 2 is a schematic view of an installation structure of a first microphone according to an embodiment of the present disclosure.
Fig. 3 is a schematic view of an installation structure of a second microphone according to an embodiment of the present disclosure.
Wherein, in the figures, the respective reference numerals:
1. a bottom case; 11. a first sound inlet hole; 2. an upper housing; 21. a second sound inlet hole; 3. a first call microphone; 31. a body portion; 32. a wire row portion; 4. a second communication microphone; 5. a U-shaped mounting plate; 51. a notch; 6. a silica gel sleeve; 61. a card slot; 7. installing a base; 8. double-sided adhesive tape; 9. soaking a cotton plate; 91. and (7) positioning the holes.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The bluetooth headset applies the bluetooth technology to the hands-free headset, so that a user can avoid the involvement of wires and can freely and easily talk in various ways. The bluetooth specification adopts microwave frequency band work, and transmission rate 1 Mbyte per second, maximum transmission distance 10 meters can reach 100 meters through increasing transmitting power. Bluetooth technology is globally open, has good compatibility in the world, and can be connected into a whole through a low-cost intangible Bluetooth network all over the world.
A noise reduction headset is a type of Bluetooth headset, and only one microphone sound inlet hole is formed in the existing noise reduction headset on the market.
With respect to the related art among the above, the inventors consider that the following technical drawbacks exist:
when a user faces a fan or uses the Bluetooth headset on a running vehicle, the calling wind sound comes out of the headset loudspeaker, namely the wind noise phenomenon is caused, the wind noise seriously influences the use of the headset for communication or listening to music, and the user is seriously influenced to enjoy high-quality music and communication quality.
In order to improve the above technical defects, the present application provides a technical solution, please refer to fig. 1 to fig. 3 together, which will now describe the bluetooth headset with low microphone noise according to the embodiment of the present application.
The embodiment of the application provides a bluetooth headset with low microphone noise, please refer to fig. 1 and 2, including a bottom case 1 and an upper housing 2, a cavity is provided in the bottom case 1 and an opening is provided at the top, the upper housing 2 is detachably mounted at the top of the bottom case 1 and is used for covering the opening.
Bottom shell 1 and upper housing 2 are the plastics material, and the outline of bottom shell 1 is the arc surface, and whole low microphone wind makes an uproar bluetooth headset's main part appearance presents for the ellipsoid shape. The detachable connection mode of the upper housing 2 may be a snap fit, and in this embodiment, the detachable connection mode of the upper housing 2 may be a locking fixation by a screw.
The side surface of the bottom shell 1 is provided with a plurality of first sound inlet holes 11, a first communication microphone 3 is arranged in the bottom shell 1 at a position close to the first sound inlet holes 11, a first cavity communicated with the plurality of first sound inlet holes 11 and used for air supply and flow rotation is reserved in the bottom shell 1, and the first sound inlet holes 11 are circular holes.
The upper housing 2 is provided with a plurality of second sound inlet holes 21, a second microphone 4 (see fig. 3 in detail) is disposed in the bottom case 1 at a position close to the second sound inlet holes 21, a second chamber which is communicated with the plurality of second sound inlet holes 21 and used for air flow to rotate is reserved in the bottom case 1, and the second sound inlet holes 21 are circular holes.
The first communication microphone 3 and the second communication microphone 4 are both a kind of microphone, which is known as a microphone and is translated from english microphone (microphone), and is also called a microphone and a microphone, and the microphone is an energy conversion device for converting a sound signal into an electric signal.
The first call microphone 3 is a main call microphone of the bluetooth headset, the second call microphone 4 is a sub-call microphone of the bluetooth headset, and the first call microphone 3 and the second call microphone 4 are both connected to a circuit board inside the bottom case 1 and are matched to work.
The first sound inlet holes 11 are provided with two rows, the two rows of the first sound inlet holes 11 are arranged at intervals up and down, each row of the first sound inlet holes 11 is arranged horizontally, and the two rows of the first sound inlet holes 11 are located near the horizontal waist line of the bottom shell 1.
The number of the first sound inlet holes 11 is between 6, wherein three first sound inlet holes 11 horizontally spaced are arranged in a row, and the distance between adjacent first sound inlet holes 11 is 1-2 times the diameter of the first sound inlet holes 11, and in other embodiments, the number of the first sound inlet holes 11 may also be 4, 5, 7 or 8.
The inside wall of drain pan 1 is provided with vertically arranged's U-shaped mounting panel 5, integrated into one piece between U-shaped mounting panel 5 and the drain pan 1, forms the installation cavity that supplies the installation of first conversation microphone 3 jointly between the inside wall of U-shaped mounting panel 5 and drain pan 1, and the top of installation cavity is provided with the installing port, and the installation cavity is linked together with all first sound holes 11.
First conversation microphone 3 includes main part 31 and line bank part 32, and the top side of U-shaped mounting panel 5 is provided with and is used for supplying the breach 51 that line bank part 32 stretches out, and the design of breach 51 makes things convenient for first conversation microphone 3's line bank part 32 to stretch out from the installation cavity to be connected with this bluetooth headset's circuit board, and breach 51 still has certain restriction to line bank part 32 and separates the fender effect moreover, prevents effectively that line bank part 32 from rocking at will, and the structure is more stable safety.
The joint has silica gel cover 6 in the installation cavity, be provided with the draw-in groove 61 that supplies main part 31 to install on silica gel cover 6, the texture of silica gel cover 6 is softer, silica gel cover 6 has good deformability, silica gel cover 6 has good guard action to main part 31 of first conversation microphone 3, be difficult for rocking in the installation cavity, prevent effectively that main part 31 from damaging in-process in installing the installation cavity, first conversation microphone 3 is more firm moreover.
The shape of silica gel cover 6 is the cuboid shape, and silica gel cover 6 and U-shaped mounting panel 5 use of mutually supporting make things convenient for first conversation microphone 3 to firmly install, and the mounting means is fairly simple, and mounting structure is comparatively stable moreover, has certain guard action to first conversation microphone 3.
In this embodiment, referring to fig. 1 and 3, two rows of the second sound inlet holes 21 are provided, and the two rows of the second sound inlet holes 21 are arranged around a circle center in an arc line, and the arc diameters of the two rows of the second sound inlet holes 21 are not the same. In other embodiments, the arrangement of the second sound inlet holes 21 may also be three rows, four rows or one circle, or other arrangements may also be adopted.
In the present embodiment, the number of the second sound inlet holes 21 is 29, wherein 15 second sound inlet holes 21 are arranged at intervals in a row, the remaining 14 second sound inlet holes 21 are arranged at intervals in a row, and the distance between adjacent second sound inlet holes 21 is 1-2 times the diameter of the second sound inlet holes 21.
In other embodiments, the arrangement of the second sound inlet holes 21 may also be three rows, four rows, five rows or one circle, or other arrangements may also be adopted. In other embodiments, the number of second sound entrance holes 21 may also be 25, 26, 27, 28, 30, 31, 32, 33, 34, 35, or more.
A horizontally arranged mounting base 7 is arranged in the bottom shell 1, a double-sided adhesive tape 8 is arranged on the mounting base 7, the second communication microphone 4 is mounted on the upper surface of the double-sided adhesive tape 8, and a foam board 9 is arranged on the upper surface of the second communication microphone 4.
The main body of the second microphone 4 is in a flat strip plate shape, the mounting base 7 comprises a bottom plate and two arc-shaped frame bodies, the two arc-shaped frame bodies are mounted on the upper surface of the bottom plate, a hole for the cable of the second microphone 4 to pass through is formed in the double-sided adhesive tape 8, and the outer contours of the second microphone 4, the foam board 9 and the double-sided adhesive tape 8 are basically the same.
Installation base 7, double faced adhesive tape 8 and the cotton board 9 of bubble use of mutually supporting, make things convenient for second communication microphone 4 firm installation, the mounting means is fairly simple, and mounting structure is comparatively stable moreover, has certain guard action to second communication microphone 4.
The lower surface of upper housing 2 is provided with four vertical arrangement's reference column, and the reference column is cylindrical structure, because the visual angle separates the fender relation, and the reference column does not identify in fig. 3, is equipped with on the cotton board 9 of bubble and supplies reference column bottom male locating hole 91, and four locating holes 91 are located the four corners of a rectangle and arrange, and the bottom of reference column is provided with the chamfer to aim at and insert between convenient reference column and the locating hole 91.
The positioning column and the positioning hole 91 are matched with each other, so that the foam board 9 has good fixing and limiting effects, and the foam board 9 has a better protection effect on the second communication microphone 4.
In conclusion, the bluetooth headset of making an uproar with low microphone that this application provided, compare with prior art, have following technological effect that can expect:
since the plurality of first sound inlet holes 11 are provided, and the first chamber exists in the bottom case 1, when wind enters from a part of the first sound inlet holes 11, the wind turns around in the first chamber and can come out from other first sound inlet holes 11, so that all wind is prevented from blowing the first sound inlet holes 11 of the first microphone 3, and the purpose of reducing wind noise is achieved.
Since the plurality of second sound inlet holes 21 are provided and the second chamber exists in the bottom case 1, when wind enters from a part of the second sound inlet holes 21, the wind turns around in the second chamber and can come out from other second sound inlet holes 21, so that all wind is prevented from blowing the second sound inlet holes 21 of the second microphone 4, and the purpose of reducing wind noise is achieved.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a bluetooth headset of making an uproar is makeed to low microphone, its characterized in that: the device comprises a bottom shell and an upper shell, wherein a cavity is formed in the bottom shell, an opening is formed in the top of the bottom shell, and the upper shell is detachably arranged on the top of the bottom shell and used for covering the opening;
a plurality of first sound inlet holes are formed in the side surface of the bottom shell, a first communication microphone is arranged in the bottom shell at a position close to the first sound inlet holes, and a first cavity which is communicated with the first sound inlet holes and used for air flow to rotate is reserved in the bottom shell;
the upper shell is provided with a plurality of second sound inlet holes, a second communication microphone is arranged in the bottom shell at a position close to the second sound inlet holes, and a second cavity which is communicated with the second sound inlet holes and used for air flow to rotate is reserved in the bottom shell.
2. The low microphone noise bluetooth headset of claim 1, wherein: the first sound inlet holes are provided with two rows, the two rows of the first sound inlet holes are arranged at intervals up and down, and each row of the first sound inlet holes are arranged horizontally.
3. The low microphone noise bluetooth headset of claim 2, wherein: the number of the first sound inlet holes is between 4 and 8.
4. The low microphone noise bluetooth headset of claim 2, wherein: the inner side wall of the bottom shell is provided with a vertically arranged U-shaped mounting plate, an installation cavity for installing the first communication microphone is formed between the U-shaped mounting plate and the inner side wall of the bottom shell, and the installation cavity is communicated with all the first sound inlet holes.
5. The low microphone noise bluetooth headset of claim 4, wherein: the first communication microphone comprises a main body part and a wire row part, and a notch used for the wire row part to extend out is formed in the side edge of the top of the U-shaped mounting plate.
6. The low microphone noise bluetooth headset of claim 5, wherein: the installation cavity is internally clamped with a silica gel sleeve, and the silica gel sleeve is provided with a clamping groove for installing the main body part.
7. The low microphone noise bluetooth headset of claim 1, wherein: the second sound inlet holes are arranged in two rows, the two rows of second sound inlet holes are arranged in an arc line around a circle center, and the arc line diameters of the two rows of second sound inlet holes are different.
8. The low microphone noise bluetooth headset of claim 7, wherein: the number of the second sound inlet holes is 25-35.
9. The low microphone noise bluetooth headset of claim 7, wherein: the bottom shell is internally provided with a horizontally arranged installation base, a double faced adhesive tape is arranged on the installation base, the second communication microphone is installed on the upper surface of the double faced adhesive tape, and a foam board is arranged on the upper surface of the second communication microphone.
10. The low microphone noise bluetooth headset of claim 9, wherein: the lower surface of the upper shell is provided with a plurality of positioning columns which are vertically arranged, and positioning holes for inserting the bottoms of the positioning columns are formed in the foam board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220051688.6U CN216982085U (en) | 2022-01-10 | 2022-01-10 | Low microphone noise Bluetooth earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220051688.6U CN216982085U (en) | 2022-01-10 | 2022-01-10 | Low microphone noise Bluetooth earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216982085U true CN216982085U (en) | 2022-07-15 |
Family
ID=82349266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220051688.6U Active CN216982085U (en) | 2022-01-10 | 2022-01-10 | Low microphone noise Bluetooth earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216982085U (en) |
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2022
- 2022-01-10 CN CN202220051688.6U patent/CN216982085U/en active Active
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