CN216017128U - Wireless noise reduction earphone capable of preventing squeaking - Google Patents

Abstract

The utility model relates to a noise reduction earphone field indicates a prevent wireless noise reduction earphone of howling especially. The loudspeaker and the noise reduction MIC are electrically connected with the control circuit board; the method is characterized in that: the loudspeaker is arranged in the loudspeaker shell and divides the inner space of the loudspeaker into a front cavity and a rear cavity, wherein the noise reduction MIC is arranged at the front end of the loudspeaker and is positioned in the front cavity, and the control circuit board is positioned in the rear cavity; the anti-squealing notch comprises an ear-entering notch positioned at the position, close to an ear, of the horn shell and a ventilating notch positioned at the position, far away from the ear, of the horn shell; therefore, even if the ear entrance groove is blocked by the cochlea of the user, the ventilation groove is far away from the ear entrance position and cannot be blocked, so that the condition that the integral squealing-preventing groove is blocked to cause squealing can be avoided.

Description

Wireless noise reduction earphone capable of preventing squeaking

Technical Field

The utility model relates to a noise reduction earphone field indicates a prevent wireless noise reduction earphone of howling especially.

Background

The Earphones, also known as Head or ear audio players, include Earphones, Headphones, Head sets, earthings, which are essentially a pair of conversion units, which convert electrical signals from a media player or receiver into audible sound waves by a speaker near the ear. The earphone can be separated from the media player, and can listen to the sound independently without influencing other people; can also isolate the sound of the surrounding environment, and is very helpful for people who use in a noisy environment such as a recording studio, a bar, a trip, sports, and the like.

The noise reduction earphone is an earphone which reduces noise by using a certain method. At present, two noise reduction earphones are respectively: active noise reduction headphones and passive noise reduction headphones. The active noise reduction technology 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. The passive noise reduction technology mainly forms a closed space by surrounding ears, or adopts sound insulation materials such as silica gel earplugs and the like to block outside noise.

For headphones requiring light weight, passive noise reduction techniques are not desirable. For the active noise reduction earphone, as the microphone for picking up sound, namely the microphone head and the sound pick-up channel thereof, have exquisite structures, once the microphone is shielded, the airflow of the sound pick-up channel is suddenly changed, so that the noise reduction earphone vibrates, and howling is formed.

Disclosure of Invention

In order to solve the problem, the utility model provides a prevent wireless earphone of making an uproar of falling of whistling even go into the ear fluting and blockked up by user's cochlea, but ventilative fluting is kept away from its position of going into the ear and can not blockked up, so can avoid holistic prevent that whistling fluting is blocked up and is leaded to appearing the condition appearance of whistling.

In order to achieve the above object, the utility model adopts the following technical scheme: a wireless noise reduction earphone capable of preventing squeaking comprises a loudspeaker shell, a loudspeaker, a noise reduction MIC and a control circuit board, wherein the loudspeaker and the noise reduction MIC are electrically connected with the control circuit board; the loudspeaker is arranged in the loudspeaker shell and divides the inner space of the loudspeaker into a front cavity and a rear cavity, wherein the noise reduction MIC is arranged at the front end of the loudspeaker and is positioned in the front cavity, and the control circuit board is positioned in the rear cavity; the anti-squealing slotting aligned with the noise reduction MIC and communicated with the front cavity is formed in the horn shell, and the anti-squealing slotting comprises an ear-entering slotting positioned at a position, close to an ear, of the horn shell and a ventilating slotting positioned at a position, far away from the ear, of the horn shell; and the ear-entering slot and the ventilation slot are arranged in a position in which the oblique lines intersect.

Further, the loudspeaker shell includes preceding shell of loudspeaker, loudspeaker backshell, and loudspeaker install in the preceding shell of loudspeaker, and wherein loudspeaker divide preceding shell inner space for antechamber and rear chamber with loudspeaker, and this loudspeaker backshell cap closes before loudspeaker on the shell and with the rear chamber intercommunication.

Furthermore, an ear inlet guide tube is arranged on the side surface, close to the ear inlet position, of the horn front shell, an annular silica gel ear cap is sleeved on the ear inlet guide tube, and the hollow position of the silica gel ear cap is communicated with the ear inlet groove.

Furthermore, the inner wall of the front cavity is provided with a front cavity tuning net which is covered at the bottom of the squealing-proof slotted hole.

Further, the ear entrance slot and the ventilation slot are communicated, and the included angle between the planes of the ear entrance slot and the ventilation slot is 120-160 degrees.

Further, a light sensing assembly electrically connected with the control circuit board is arranged in the rear cavity, and a light sensing lens aligned with the light sensing assembly is arranged on the surface of the front shell of the loudspeaker.

Furthermore, the juncture of the front cavity and the rear cavity in the horn front shell is provided with a horn clamping groove, and the horn is clamped in the horn clamping groove.

Furthermore, a plurality of magnet grooves are formed in the inner wall of the horn front shell corresponding to the rear cavity, and a magnet is assembled in each magnet groove.

Further, the loudspeaker backshell is "7" font structure, and the loudspeaker backshell includes the loudspeaker mesochite of equipping with the preceding shell of loudspeaker, and integrated into one piece is at loudspeaker mesochite one side and be the shaft-like loudspeaker body of rod 22, just the rear chamber scavenge port with the rear chamber intercommunication is seted up to the bottom of loudspeaker mesochite.

The beneficial effects of the utility model reside in that: in the application, the squealing prevention slots are arranged, wherein the squealing prevention slots comprise ear-entering slots which are positioned at the positions, close to the ear-entering positions, of the horn shell and ventilating slots which are positioned at the positions, far away from the ear-entering positions, of the horn shell; therefore, even if the ear entrance groove is blocked by the cochlea of the user, the ventilation groove is far away from the ear entrance position and cannot be blocked, so that the condition that the integral squealing-preventing groove is blocked to cause squealing can be avoided.

Drawings

Fig. 1 is a schematic perspective view of a howling prevention wireless noise reduction earphone.

Fig. 2 is a schematic diagram of the internal structure of the front shell of the horn.

Fig. 3 is a schematic diagram of the internal overall structure of the howling-preventing wireless noise reduction earphone.

The reference numbers illustrate: 1. the loudspeaker comprises a loudspeaker front shell, 11. a whistling-preventing slot, 111. an ear-entering slot, 112. a ventilation slot, 12. a light-sensitive lens, 13. a light-sensitive component, 14. a front cavity sound-adjusting net, 15. an ear-entering conduit, 16. a front cavity, 21. a loudspeaker middle shell, 211. a rear cavity vent hole, 22. a loudspeaker rod body, 23. an MIC through hole, 24. a hardware charging piece, 3. a silica gel ear cap, 4. a loudspeaker, 41. a loudspeaker clamping groove and 5. a control circuit board.

Detailed Description

Referring to fig. 1-3, the present invention relates to a wireless noise reduction earphone for preventing whistling, which comprises a speaker housing, a speaker 4, a noise reduction MIC, a control circuit board 5, and a battery, wherein the speaker 4, the noise reduction MIC, and the battery are all electrically connected to the control circuit board 5; the loudspeaker 4 is arranged in the loudspeaker shell and divides the inner space of the loudspeaker shell into a front cavity 16 and a rear cavity, wherein the noise reduction MIC is arranged at the front end of the loudspeaker 4 and is positioned in the front cavity 16, and the control circuit board 5 and the battery are positioned in the rear cavity; the anti-squeal notch 11 is aligned with the noise reduction MIC and communicated with the front cavity 16, and the anti-squeal notch 11 comprises an ear entrance notch 111 positioned at a position close to an ear of the horn shell and a ventilation notch 112 positioned at a position far away from the ear of the horn shell; and the ear insertion slot 111 and the ventilation slot 112 are arranged in a diagonally crossed position.

In the application, by arranging the whistling preventing slot 11, the whistling preventing slot 11 comprises an ear entering slot 111 which is positioned at a position close to an ear of the horn shell and a ventilation slot 112 which is positioned at a position far away from the ear of the horn shell; therefore, even if the ear entrance slot 111 is blocked by the cochlea of the user, the ventilation slot 112 is far away from the ear entrance position and is not blocked, so that the condition that squeal occurs due to the fact that the integral squeal prevention slot 11 is blocked can be avoided. The ear entrance slot 111 and the ventilation slot 112 are arranged in a diagonally crossed position, and an included angle exists between planes of the ear entrance slot 111 and the ventilation slot 112, so that the situation that the hole is blocked due to different cochlea structures of most people can be effectively avoided.

Further, the loudspeaker shell includes preceding shell 1 of loudspeaker, loudspeaker backshell, and loudspeaker 4 installs in the preceding shell 1 of loudspeaker, and wherein loudspeaker 4 is preceding 1 inner space of shell for antechamber 16 and rear chamber with loudspeaker, and this loudspeaker backshell lid closes before loudspeaker on shell 1 and with rear chamber intercommunication.

Further, an ear inlet guide tube 15 is arranged on the side surface, close to the ear inlet position, of the horn front shell 1, an annular silica gel ear cap 3 is sleeved on the ear inlet guide tube 15, and the hollow position of the silica gel ear cap 3 is communicated with the ear inlet groove 111.

Further, the inner wall of the front cavity 16 is provided with a front cavity tuning net 14 covering the bottom of the squealing preventing slot 11. The effect of tuning can be played to front chamber tuning net 14, and front chamber tuning net 14 can let the air flow in and flow out from the speaker, has not only prevented pressure pile up, lets the speaker of earphone can more free motion, can also create better tone quality and heavy bass effect simultaneously. Meanwhile, the waterproof sound wave damping material has a good waterproof effect, has a damping effect on sound waves, and has an extremely effective effect on simulating sound sharp waves and improving sound frequency characteristics.

Further, the ear entrance slot 111 and the ventilation slot 112 are mutually communicated, and the included angle between the planes of the ear entrance slot 111 and the ventilation slot 112 is 120-160 °.

Further, a light sensing assembly 13 electrically connected with the control circuit board 5 is arranged in the rear cavity, and a light sensing lens 12 aligned with the light sensing assembly 13 is arranged on the surface of the horn front shell 1. Be provided with light sense subassembly 13 in this application, can detect whether the user takes off the earphone through light sense subassembly 13 to control loudspeaker 4, opening or closing of the MIC of making an uproar falls through control circuit board 5.

Further, a horn clamping groove 41 is formed in the junction of the front cavity 16 and the rear cavity in the horn front shell 1, and the horn 4 is clamped in the horn clamping groove 41. In this embodiment, the speaker 4 is fitted through the speaker slot 41, so that even if the earphone is accidentally dropped on the ground, the position of the speaker 4 is kept stable due to the fit therebetween.

Furthermore, a plurality of magnet grooves are formed in the inner wall of the horn front shell 1 corresponding to the rear cavity, and a magnet is arranged in each magnet groove. Because the earphone in this application is supporting to have the earphone storehouse, also be provided with supporting magnet in the earphone storehouse, inhale through magnet between the two and can realize quick location.

Further, the loudspeaker backshell is "7" font structure, and the loudspeaker backshell includes the loudspeaker mesochite 21 of assembling with loudspeaker front shell 1, and integrated into one piece is in loudspeaker mesochite 21 one side and be the shaft-like loudspeaker body of rod 22, just the back chamber scavenge port 211 with the back chamber intercommunication is seted up to the bottom of loudspeaker mesochite 21. The back cavity vent 211 can ensure that the air pressure in the back cavity is consistent with the external air pressure, and the pickup of normal conversation is ensured. The bottom of the horn rod body 22 is provided with a MIC through hole 23, and the side surface of the bottom of the horn rod body 22 is provided with a hardware charging piece 24 which is electrically communicated with the control circuit board 5

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims (9)

1. A wireless noise reduction earphone capable of preventing squeaking comprises a loudspeaker shell, a loudspeaker, a noise reduction MIC and a control circuit board, wherein the loudspeaker and the noise reduction MIC are electrically connected with the control circuit board; the method is characterized in that: the loudspeaker is arranged in the loudspeaker shell and divides the inner space of the loudspeaker into a front cavity and a rear cavity, wherein the noise reduction MIC is arranged at the front end of the loudspeaker and is positioned in the front cavity, and the control circuit board is positioned in the rear cavity; the anti-squealing slotting aligned with the noise reduction MIC and communicated with the front cavity is formed in the horn shell, and the anti-squealing slotting comprises an ear-entering slotting positioned at a position, close to an ear, of the horn shell and a ventilating slotting positioned at a position, far away from the ear, of the horn shell; and the ear-entering slot and the ventilation slot are arranged in a position in which the oblique lines intersect.

2. The anti-howling wireless noise reduction earphone according to claim 1, wherein: the loudspeaker shell comprises a loudspeaker front shell and a loudspeaker rear shell, the loudspeaker is installed in the loudspeaker front shell, the loudspeaker divides the inner space of the loudspeaker front shell into a front cavity and a rear cavity, and the loudspeaker rear shell covers the loudspeaker front shell and is communicated with the rear cavity.

3. The anti-howling wireless noise reduction earphone according to claim 2, wherein: an ear inlet guide pipe is arranged on the side surface, close to the ear inlet position, of the horn front shell, an annular silica gel ear cap is sleeved on the ear inlet guide pipe, and the hollow position of the silica gel ear cap is communicated with the ear inlet groove.

4. The anti-howling wireless noise reduction earphone according to claim 2, wherein: the inner wall of the front cavity is provided with a front cavity tone tuning net which covers the bottom of the squeaking preventing slot.

5. The anti-howling wireless noise reduction earphone according to claim 2, wherein: the ear entrance slot and the ventilation slot are communicated with each other, and the included angle between the planes of the ear entrance slot and the ventilation slot is 120-160 degrees.

6. The anti-howling wireless noise reduction earphone according to claim 2, wherein: the rear cavity is internally provided with a light sensing assembly electrically connected with the control circuit board, and the surface of the front shell of the loudspeaker is provided with a light sensing lens aligned with the light sensing assembly.

7. The anti-howling wireless noise reduction earphone according to claim 2, wherein: the junction of the front cavity and the rear cavity in the horn front shell is provided with a horn clamping groove, and the horn is clamped in the horn clamping groove.

8. The anti-howling wireless noise reduction earphone according to claim 2, wherein: the inner wall of the horn front shell corresponding to the rear cavity is provided with a plurality of magnet slots, and each magnet slot is internally provided with a magnet.

9. The anti-howling wireless noise reduction earphone according to claim 2, wherein: the loudspeaker backshell is "7" font structure, and the loudspeaker backshell includes the loudspeaker mesochite of equipping with loudspeaker front shell, and integrated into one piece is at loudspeaker mesochite one side and be the shaft-like loudspeaker body of rod, just the back chamber scavenge port with the back chamber intercommunication is seted up to the bottom of loudspeaker mesochite.

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