CN216774962U

CN216774962U - Wind noise prevention microphone sound receiving structure applied to exposed communication earphone

Info

Publication number: CN216774962U
Application number: CN202122731361.1U
Authority: CN
Inventors: 许季明; 刘喜祥; 赖敬涛
Original assignee: Heyuan Yuan Feng Electronic Co ltd
Current assignee: Heyuan Yuan Feng Electronic Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-06-17
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a wind noise prevention microphone sound receiving structure applied to an exposed communication earphone, which comprises an earphone shell, a microphone and a noise reduction sponge, wherein a cavity is arranged in the earphone shell, a rectangular cutting groove is formed in the side wall end of the earphone shell, a microphone connecting hole communicated with the cavity is formed in the rectangular cutting groove, the extending length of the microphone is smaller than the depth of the rectangular cutting groove, the noise reduction sponge covers the rectangular cutting groove, and a avoiding hole is formed in the side end, close to the microphone, of the noise reduction sponge. When a motorcycle or a bicycle runs at a high speed, wind noise is generated when the earphone shell is flapped by contrary wind, a cavity in the earphone shell can form a resonator effect, the wind noise is amplified, the wind noise is larger when the running speed is higher.

Description

Wind noise prevention microphone sound receiving structure applied to exposed communication earphone

Technical Field

The utility model relates to the field of communication earphones for helmets, in particular to a wind noise prevention microphone sound receiving structure applied to an exposed communication earphone.

Background

The earphone, also called head or ear audio player, is essentially a pair of conversion units, which convert the electrical signals from the media player or receiver into audible sound waves by a speaker near the ear. There are two methods for reducing noise of earphones, namely active noise reduction and passive noise reduction.

The active noise reduction function is to generate reverse sound waves equal to external noise through a noise reduction system to neutralize the noise, so that the noise reduction effect is realized. Specifically, the noise in the environment that the ear can hear is detected by a sound receiving unit arranged in the earphone; then the noise signal is transmitted to a noise reduction circuit, the noise reduction circuit calculates the phase of the reverse sound wave which is equal to the noise in real time, the frequency spectrum of the reverse sound wave is completely the same as the noise to be eliminated, and only the phase is just opposite (the difference is 180 degrees); the loudspeaker unit emits reverse sound waves to counteract noise; the noise then disappears and is not audible.

Among the prior art, at present, many people use bluetooth headset to converse, but when wind is big or the headwind is walked, the strong wind can directly blow bluetooth headset MIC pickup, the miaow head cavity in the bluetooth headset can receive the air current influence, form the air and surge and stay, the miaow head can collect a large amount of noise, produce the noise of dazzling, lead to the conversation to receive the interference, such wind makes an uproar not only is difficult to adopt foretell initiative to fall the function of making an uproar and eliminates, probably is lifted on the contrary, thereby influence bluetooth headset's the noise reduction effect.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the wind noise prevention microphone sound receiving structure is applied to the exposed communication earphone and can obviously reduce riding wind noise.

In order to achieve the purpose, the technical scheme of the utility model is as follows: a wind noise prevention microphone sound receiving structure applied to an exposed communication earphone comprises an earphone shell, a microphone and a noise reduction sponge, wherein a cavity is arranged in the earphone shell, a rectangular cutting groove is formed in the side wall end of the earphone shell, and a microphone connecting hole communicated with the cavity is formed in the rectangular cutting groove;

one end of the microphone is clamped at the inner side end of the microphone connecting hole, and the other end of the microphone extends out of the rectangular cutting groove;

the extension length of the microphone is smaller than the depth of the rectangular cutting groove, a noise reduction sponge covers the rectangular cutting groove, and an avoiding hole is formed in the side end, close to the microphone, of the noise reduction sponge.

By adopting the technical scheme, the wind noise prevention microphone sound receiving structure applied to the exposed communication earphone is characterized in that the distance between the microphone and the side wall of the rectangular notch is larger than 2 mm.

By adopting the technical scheme, the wind noise prevention microphone sound receiving structure applied to the exposed communication earphone comprises an upper cover body and a bottom shell, wherein a sealing ring groove is formed in the side edge of the top of the bottom shell, and an annular boss which is in adaptive connection with the sealing ring groove is arranged on the side edge of the bottom of the upper cover body.

Adopt above-mentioned each technical scheme, be applied to exposed communication earphone prevent wind make an uproar microphone radio structure in, still including circuit board and side direction button subassembly, the circuit board is located in the inboard cavity of seal ring groove, is located the opposite side wall end of rectangle grooving is equipped with the side direction annular, the side direction button subassembly is located in the side direction annular, just the side direction button subassembly with the circuit board passes through electric connection.

By adopting the technical scheme, the wind noise prevention microphone sound receiving structure applied to the exposed communication earphone further comprises a pressing plate and two function keys, wherein the top edge of the upper cover body is provided with a step, the pressing plate is arranged on the step, the left side and the right side of the upper cover body are respectively provided with a pressing key groove, a positioning hole is formed between the pressing key grooves, the bottom of the pressing plate is provided with a positioning column which is in adaptive connection with the positioning hole, the function keys are arranged in the pressing key grooves below the pressing plate, and the pressing plate is connected with a circuit board through the function keys on the left side and the right side of the bottom.

By adopting the technical scheme, the wind noise prevention microphone sound receiving structure applied to the exposed communication earphone is characterized in that the peripheries of the key grooves are respectively provided with the slots, and the bottoms of the function keys are respectively provided with the trapezoidal insertion blocks which are positioned and installed with the slots.

Adopt above-mentioned each technical scheme, be applied to exposed communication earphone prevent wind make an uproar microphone radio reception structure in, the upper and lower both sides of drain pan are equipped with the bayonet socket structure of being connected with helmet area clamping respectively, the bayonet socket structure is including two limit stop and a plurality of skid proof block, limit stop is L shape structure, two limit stop symmetry interval sets up respectively, two be equipped with the opening that the helmet area card of being convenient for goes into between the limit stop, just be equipped with the clearance between limit stop and the drain pan lateral wall, skid proof block locates on the lateral wall of drain pan.

By adopting the technical scheme, the wind noise prevention microphone sound receiving structure applied to the exposed communication earphone further comprises a loudspeaker module, a positioning sinking groove is formed in the cavity, the loudspeaker module is arranged on the positioning sinking groove, and the loudspeaker module is electrically connected with the circuit board.

By adopting the technical scheme, the wind noise prevention microphone sound receiving structure applied to the exposed communication earphone is characterized in that the bottom of the circuit board is provided with a rubber pad.

By adopting the technical scheme, the wind noise prevention microphone sound receiving structure applied to the exposed communication earphone is characterized in that an earphone wire is led out from the bottom of the earphone shell.

Compared with the prior art, the utility model has the following advantages:

when a motorcycle or a bicycle runs at a high speed, wind noise is generated when the earphone shell is flapped by contrary wind, a cavity in the earphone shell can form a resonator effect, the wind noise is amplified, and the wind noise is larger when the running speed is higher.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

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

FIG. 3 is a schematic view of the noise reduction sponge of the present invention;

FIG. 4 is a schematic view of the internal structure of the bottom case according to the present invention;

FIG. 5 is a schematic view of the bottom structure of the upper cover of the present invention;

FIG. 6 is a schematic view of the pressing plate assembly of the present invention;

fig. 7 is a schematic diagram of an explosion structure of the earphone house of the present invention;

fig. 8 is a schematic view of a bayonet structure of the bottom case of the present invention.

Detailed Description

The utility model is described in detail below with reference to the figures and the specific embodiments.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 3, the present embodiment provides a wind noise prevention microphone sound receiving structure applied to an exposed communication earphone, including an earphone housing 1, a microphone 2 and a noise reduction sponge 3, wherein a cavity is disposed in the earphone housing 1, a rectangular slot 10 is disposed at a side wall end of the earphone housing 1, and a microphone connecting hole 11 communicated with the cavity is disposed on the rectangular slot 10.

One end of the microphone 2 is clamped at the inner end of the microphone connecting hole 11, and the other end of the microphone 2 extends out of the rectangular cutting groove 10.

The extension length of the microphone 2 is smaller than the depth of the rectangular cutting groove 10, a noise reduction sponge 3 covers the rectangular cutting groove 1, and an avoidance hole 30 is formed in the side end, close to the microphone 2, of the noise reduction sponge 3.

In this embodiment, when the motorcycle or the bicycle runs at a high speed, wind noise can be generated by flapping the earphone housing 1 against the wind, a resonator effect can be formed in a cavity in the earphone housing 1, the wind noise is amplified, and the higher the running speed is, the larger the wind noise is. Set up rectangle grooving 10 through the lateral wall end at earphone shell 1, install microphone 2 and can avoid or reduce earphone shell 1 and interior chamber's wind noise outward and pass microphone 2, fall the sponge 3 of making an uproar and can avoid or reduce the wind noise that directly pat microphone 2 radio mouthful and produce against the wind, when reducing wind noise, still reduced wind noise and to earphone initiative and moved the influence of making an uproar function, the anti-wind noise effect is showing.

Further, the distance L between the microphone 2 and the side wall of the rectangular incision 10 is greater than 2 mm. In the present embodiment, the distance L between the microphone 2 and the side wall of the rectangular slot 10 is 6.65 mm. It should be noted that the depth D of the rectangular notch 10 may be 2-20 mm, in this embodiment, the depth D of the rectangular notch 10 is 6.5mm, and of course, a user may set the depth D of the rectangular notch 10 to other parameters according to practical situations, which is not limited in this embodiment.

As shown in fig. 4 and fig. 5, further, the earphone casing 1 includes an upper cover 12 and a bottom shell 13, a sealing ring groove 130 is formed in a side edge of a top of the bottom shell 13, and an annular boss 120 adapted to be connected to the sealing ring groove 130 is formed in a side edge of a bottom of the upper cover 12. In this embodiment, the sealing ring groove 130 and the annular boss 120 are disposed to improve the waterproof sealing performance of the earphone casing 1, so as to prevent rainwater from entering from the gap between the upper cover 12 and the bottom case 13 when riding in rainy days and affecting the service life of the internal electronic components.

As shown in fig. 7, further, the semi-exposed communication headset further includes a circuit board 4 and a lateral key assembly 5, the circuit board 5 is disposed in the cavity inside the sealing ring groove 130, and is located at another sidewall end of the rectangular cutting groove 10, the lateral key assembly 5 is disposed in the lateral ring groove 14, and the lateral key assembly 5 is electrically connected to the circuit board 4. In this embodiment, the arrangement of the lateral button assembly 5 can facilitate the user to adjust the volume of the earphone at the lateral position.

As shown in fig. 6 and 7, the semi-exposed communication headset further includes a pressing plate 61 and two function keys 62, the top edge of the upper cover 12 is provided with a step 121, the pressing plate 61 is disposed on the step 121, the left and right sides of the upper cover 12 are respectively provided with a pressing key slot 122, a positioning hole 123 is disposed between the two pressing key slots 122, the bottom of the pressing plate 61 is provided with a positioning column 611 adapted to the positioning hole 123, the function keys 62 are disposed in the pressing key slots 122 below the pressing plate 61, and the pressing plate 61 is connected to the circuit board 4 through the function keys 62 on the left and right sides of the bottom. In this embodiment, the user can press the pressing plate 61 to touch the function keys 62, so that the user can adjust the function mode of the earphone conveniently.

As shown in fig. 7, further, slots 1220 are respectively disposed around the key slots 122, and trapezoidal insertion blocks 621, which are positioned and installed with the slots 1220, are respectively disposed at the bottoms of the function keys 62. In this embodiment, the slots 1220 and the trapezoidal insertion blocks 621 are arranged to improve the assembly stability of the function keys 62.

As shown in fig. 8, further, the upper and lower both sides of bottom shell 13 are equipped with the bayonet structure of being connected with the helmet area clamping respectively, the bayonet structure is including two limit stops 131 and a plurality of skid proof block 132, limit stops 131 are the L shape structure, two limit stops 131 symmetry interval sets up respectively, two be equipped with the opening 133 that the helmet area of being convenient for was gone into between the limit stops 131, just be equipped with clearance 134 between limit stops 131 and the bottom shell 13 lateral wall, skid proof block 132 locates on the lateral wall of bottom shell 13. In this embodiment, the limit stop 131 on the bayonet structure can be connected with a rope belt on the helmet in a fastening manner, so that a driver can fix and clamp the communication headset in the helmet conveniently, the clamping manner is simple and convenient, and the rope belt of the helmet only needs to penetrate into the opening 133 and be wound in the gap 134 of the bottom shell 13; the anti-slip bumps 132 can improve the clamping stability of the earphone shell 1, increase the friction between the earphone shell 1 and the helmet cord, and prevent the earphone shell 1 from slipping off the helmet cord.

As shown in fig. 7, further, the exposed communication headset further includes a speaker module 7, a positioning sinking groove 15 is formed in the cavity, the speaker module 7 is arranged on the positioning sinking groove 15, and the speaker module 7 is electrically connected with the circuit board 4.

As shown in fig. 5, further, a rubber pad 8 is disposed at the bottom of the circuit board 4. In this embodiment, the rubber pad 8 is disposed to prevent the electronic components at the bottom of the circuit board 4 from being pressed against the top of the bottom case 13 during the assembly process.

As shown in fig. 7, further, an earphone line 9 is provided at the bottom of the earphone housing 1. In this embodiment, the exposed communication earphone is a wired earphone, and the earphone line 9 led out can enter the cavity to be connected with the circuit board 4 for audio signal transmission.

Compared with the prior art, the utility model has the following advantages:

The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements 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 prevent wind microphone radio structure of making an uproar which is applied to exposed communication earphone which characterized in that: the earphone comprises an earphone shell, a microphone and noise reduction sponge, wherein a cavity is arranged in the earphone shell, a rectangular cutting groove is formed in the side wall end of the earphone shell, and a microphone connecting hole communicated with the cavity is formed in the rectangular cutting groove;

2. The wind noise prevention microphone sound receiving structure applied to the exposed communication headset as claimed in claim 1, wherein: the distance between the microphone and the side wall of the rectangular notch is larger than 2 mm.

3. The wind noise prevention microphone sound reception structure applied to the exposed communication headset of claim 1, wherein: the earphone shell comprises an upper cover body and a bottom shell, wherein a sealing ring groove is formed in the side edge of the top of the bottom shell, and an annular boss which is connected with the sealing ring groove in an adaptive mode is arranged on the side edge of the bottom of the upper cover body.

4. The wind noise prevention microphone sound receiving structure applied to the exposed communication headset as claimed in claim 3, wherein: still including circuit board and side direction button subassembly, the circuit board is located in the inboard cavity of sealed annular, is located another lateral wall end of rectangle grooving is equipped with the side direction annular, the side direction button subassembly is located in the side direction annular, just the side direction button subassembly with the circuit board passes through electric connection.

5. The wind noise prevention microphone sound receiving structure applied to the exposed communication headset as claimed in claim 4, wherein: the multifunctional pressing device is characterized by further comprising a pressing plate and two functional keys, wherein the step is arranged on the top edge of the upper cover body, the pressing plate is arranged on the step, the pressing key grooves are respectively formed in the left side and the right side of the upper cover body, the positioning holes are formed between the pressing key grooves, the positioning columns which are in adaptive connection with the positioning holes are arranged at the bottom of the pressing plate, the functional keys are arranged in the pressing key grooves below the pressing plate, and the pressing plate is connected with the circuit board through the functional keys on the left side and the right side of the bottom.

6. The wind noise prevention microphone sound receiving structure applied to the exposed communication headset as claimed in claim 5, wherein: slots are respectively arranged on the periphery of the key pressing groove, and trapezoidal insertion blocks which are positioned and installed with the slots are respectively arranged at the bottoms of the function keys.

7. The wind noise prevention microphone sound receiving structure applied to the exposed communication headset as claimed in claim 3, wherein: the upper and lower both sides of drain pan are equipped with the bayonet socket structure of being connected with the helmet area clamping respectively, the bayonet socket structure is including two limit stop and a plurality of skid proof block, limit stop is L shape structure, two limit stop symmetry interval sets up respectively, two be equipped with the opening that the helmet area card of being convenient for goes into between the limit stop, just be equipped with the clearance between limit stop and the drain pan lateral wall, skid proof block locates on the lateral wall of drain pan.

8. The wind noise prevention microphone sound receiving structure applied to the exposed communication headset as claimed in claim 3, wherein: still including the loudspeaker module, be equipped with the heavy groove in location in the cavity, be equipped with the loudspeaker module on the heavy groove in location, the loudspeaker module passes through electric connection with the circuit board.

9. The wind noise prevention microphone sound receiving structure applied to the exposed communication headset as claimed in claim 4, wherein: and a rubber pad is arranged at the bottom of the circuit board.

10. The wind noise prevention microphone sound reception structure applied to the exposed communication headset as claimed in any one of claims 1 to 9, wherein: the bottom of the earphone shell is provided with a leading-out earphone wire.