CN214381328U

CN214381328U - Earphone of making an uproar falls in conversation

Info

Publication number: CN214381328U
Application number: CN202120222918.6U
Authority: CN
Inventors: 刘进军
Original assignee: Zingy Electronics Ltd
Current assignee: Zingy Electronics Ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-10-08
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses an earphone of making an uproar falls in conversation, it includes the head-mounted subassembly and connects first, second sound production unit at the head-mounted subassembly both ends, and first sound production unit is equipped with the call pole, and this call pole end is equipped with the microphone that is used for the conversation, first sound production unit includes the casing, installs in the casing PCB main control board and with PCB main control board electric connection's loudspeaker, shroud in the earmuff of casing inboard, the call pole is installed in this casing outside, is equipped with the miaow head of making an uproar that falls that is used for collecting ambient noise on this PCB main control board, still is equipped with the decoding chip that is used for contrasting the ambient noise signal that the miaow head of making an uproar was collected with the speech signal that the microphone was collected and offset the ambient noise among the speech signal on this PCB main control board. The user is through using the utility model discloses relevant video conversation software on the computer converses with the other side, and the other side can only hear the sound of speaking, can not hear the ambient noise around the user who wears this earphone, guarantees the smooth and easy nature of conversation, and it is very convenient to use.

Description

Earphone of making an uproar falls in conversation

The technical field is as follows:

the utility model relates to an earphone product technical field refers in particular to a conversation noise reduction earphone.

Background art:

with the development and progress of information technology, various technology products are continuously entering the daily lives of people, and in addition, the technology products gradually affect and change the lives of people. Among them, the earphone is widely used in people's life as an audio output device, and has become a necessary device for various audio playing devices (such as electronic devices like CD, MP3, MP4, computer, mobile phone, etc.). The existing earphones mainly include two types, namely a headset and an in-ear earphone, wherein the headset is popular among many consumers due to the advantages of comfortable wearing, good sound quality and the like.

At present, a talking rod is generally added to a headset to realize a talking function, but the noise reduction function of the headset is poor, and the headset is affected by ambient noise during talking, so that the talking quality is poor, and great troubles are caused to a user.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art not enough, provide a noise reduction earphone during conversation.

In order to solve the technical problem, the utility model discloses a following technical scheme: this earphone of making an uproar falls in conversation includes wearing the subassembly and connecting first sound production unit and the second sound production unit at wearing the subassembly both ends, first sound production unit is provided with the conversation pole, and this conversation pole end is provided with the microphone that is used for the conversation, first sound production unit includes the casing, installs PCB main control board in this casing and with PCB main control board electric connection's loudspeaker, shroud in the earmuff of casing inboard, the conversation pole is installed in this casing outside, is provided with the miaow head of making an uproar that falls that is used for collecting the ambient noise on this PCB main control board, still is provided with the decoding chip that is arranged in contrasting the ambient noise signal that the miaow head of making an uproar collected with the speech signal that the microphone was collected and offset the ambient noise among the speech signal on this PCB main control board.

Furthermore, in the above technical solution, the model of the decoding chip is ALC5516, and the microphone is connected to inductor L2 and capacitor C41 and then connected to pin 27 of the decoding chip; the noise reduction microphone is connected with an inductor L1 and a capacitor C36 and then connected with a pin 28 of the decoding chip, a differential amplifier is integrated in the decoding chip, and a pin + and a pin-of the differential amplifier are respectively connected with a pin 27 and a pin 28 of the decoding chip.

Further, in the above technical solution, the noise reduction microphone is a fully directional microphone; the microphone is a single-direction microphone.

Furthermore, in the above technical solution, the housing is further connected with a wire electrically connected to the PCB main control board and a USB plug mounted at the end of the wire, and the wire is further provided with a line controller, and the line controller is provided with a + key, a-key, a microphone mute key and a speaker mute key.

Further, in the above technical solution, the call lever is rotatably mounted on an outer side of the housing.

Furthermore, in the above technical solution, the housing includes a left shell and a right shell rotatably mounted on the end of the headset and fixed together, and a speaker shell mounted on the inner side of the left shell, the earcap covers the periphery of the speaker shell, the communication rod is rotatably mounted on the outer side of the right shell, and a decorative cover is further mounted on the outer side of the communication rod.

Furthermore, in the above technical solution, the conversation pole includes a left pole shell and a right pole shell that are mutually covered and fixed together, the left pole shell includes a first annular shell and a first pole body integrally formed at the periphery of the first annular shell, the right pole shell includes a second annular shell and a second pole body integrally formed at the periphery of the second annular shell, the first annular shell and the second annular shell are butt-jointed and fixed to form an annular shell, the annular shell is installed at the outer side of the right shell, the first pole body and the second pole body are butt-jointed and fixed to form a pole body, and the annular shell is installed at the outer side of the right shell; the microphone is arranged at the tail end of the rod body.

Furthermore, in the above technical solution, the head-mounted assembly includes a head band, and a first telescopic sleeve and a second telescopic sleeve which are installed at two sides of the head band in a telescopic adjustment manner, and the first sound-generating unit and the second sound-generating unit are respectively installed at lower ends of the first telescopic sleeve and the second telescopic sleeve.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses be provided with the microphone that is used for the conversation in the conversation pole end, and add the miaow head of making an uproar that falls that is used for collecting ambient noise and be used for falling the chip of decoding of making an uproar on first sound producing unit, the miaow head of should falling an uproar and microphone distance are relatively far away, so that the collection that the miaow head of should falling an uproar can be better is the ambient noise except that the people's voice, the ambient noise signal that the chip will fall the collection of making an uproar again compares and offsets the ambient noise among the voice signal with the voice signal that the microphone was collected, guarantee speech quality with this, even the user is through using the utility model discloses relevant video conversation software and other side conversation on the computer, the sound of speaking can only be heard to the other side, can not hear the ambient noise around the user who wears this earphone, guarantee the smooth and easy nature of conversation, it is very convenient to use.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded perspective view (partially exploded) of the present invention;

fig. 3 is a first partial circuit diagram of the present invention;

fig. 4 is a second partial circuit diagram of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

As shown in fig. 1-4, a noise reduction earphone for conversation comprises a head-wearing component 1, and a first sound generating unit 2 and a second sound generating unit 3 connected to two ends of the head-wearing component 1, wherein the first sound generating unit 2 is provided with a conversation rod 4, the end of the talk rod 4 is provided with a microphone 40 for talking, the first sound generating unit 2 comprises a casing 21, a PCB main control board 22 installed in the casing 21, a speaker 23 electrically connected with the PCB main control board 22, and an earmuff covering the inner side of the casing 21, the talk rod 4 is installed on the outer side of the casing 21, the PCB main control board 22 is provided with a noise reduction microphone 221 for collecting ambient noise, and the PCB main control board 22 is further provided with a decoding chip 222 for comparing an ambient noise signal collected by the noise reduction microphone 221 with a voice signal collected by the microphone 40 and canceling the ambient noise in the voice signal. The utility model discloses be provided with the microphone 40 that is used for the conversation in 4 ends of conversation pole, and add the miaow head 221 of making an uproar that falls that is used for collecting ambient noise and be used for falling the chip 222 of decoding of making an uproar on first sound producing unit 2, it is relatively far away with microphone 40 distance to fall the miaow head 221 of should making an uproar, so that the collection that the miaow head 221 of should making an uproar can be better is ambient noise except that the people's voice, the ambient noise signal that the chip 222 of should decoding will fall the collection of the miaow head 221 of making an uproar again contrasts and offsets the ambient noise among the voice signal with the voice signal that microphone 40 collected, guarantee conversation quality with this, even the user is through using the utility model discloses relevant video conversation software on the computer talks with the other side, the other side can only hear the sound of speaking, can not hear the ambient noise around the user who wears this earphone, guarantee the smoothness nature of conversation, it is very convenient to use.

The type of the decoding chip 222 is ALC5516, the microphone 40 is connected with an inductor L2 and a capacitor C41 and then is connected with a pin 27 of the decoding chip 222; the noise reduction microphone 221 is connected with the inductor L1 and the capacitor C36 and then connected with the pin 28 of the decoding chip 222, a differential amplifier is integrated in the decoding chip 222, and the + pin and the-pin of the differential amplifier are respectively connected with the pin 27 and the pin 28 of the decoding chip 222. The noise reduction microphone 221 is a fully-directional microphone; the microphone 40 is a unidirectional microphone. Because the microphone and the noise reduction microphone are far and near from the communication pronunciation distance, the microphone used for the communication is a single-direction microphone, the communication signal received by the single-direction microphone is larger than the environmental noise signal, and the communication signal received by the full-direction microphone serving as the noise reduction microphone 221 is approximately equal to the environmental signal, and then the environment noise signal is counteracted through a differential amplification operation in the decoding chip 222, so that the clear communication signal is modulated by the decoding chip 222 and converted into a digital signal to be transmitted through a network, and the purpose of communication noise reduction is achieved.

The shell 21 is further connected with a wire 25 electrically connected with the PCB main control board 22 and a USB plug 26 mounted at the end of the wire 25, the wire 25 is further provided with a wire controller 27, the wire controller 27 is provided with a + key 271, a-key 272, a microphone mute key 273 and a loudspeaker mute key 274, the wire controller 27 can control the mute of the loudspeaker and the adjustment of the volume, and can also control the mute of the microphone, so that the use is very convenient.

The talking rod 4 is rotatably installed outside the housing 21 to meet different use requirements.

The shell 21 comprises a left shell 211 and a right shell 212 which are rotatably mounted at the end of the headset 1 and fixed together, and a speaker shell 213 mounted at the inner side of the left shell 211, the earmuff covers the periphery of the speaker shell 213, the talk bar 4 is rotatably mounted at the outer side of the right shell 212, and a decorative cover 5 is further mounted at the outer side of the talk bar 4, so that the appearance attractiveness is ensured. A sealing ring 51 is arranged between the outer side of the talking rod 4 and the decorative cover 5.

The conversation pole 4 comprises a left pole shell 41 and a right pole shell 42 which are mutually covered and fixed together, the left pole shell 41 comprises a first annular shell 411 and a first pole body 412 which is integrally formed on the periphery of the first annular shell 411, the right pole shell 42 comprises a second annular shell 421 and a second pole body 422 which is integrally formed on the periphery of the second annular shell 421, the first annular shell 411 and the second annular shell 421 are butted and fixed to form an annular shell, the annular shell is arranged on the outer side of the right shell 212, the first pole body 412 and the second pole body 422 are butted and fixed to form a pole body, and the annular shell is arranged on the outer side of the right shell 212; the microphone 40 is mounted at the end of the boom.

The head wearing assembly 1 comprises a head band 11, a first telescopic sleeve 12 and a second telescopic sleeve 13 which are arranged on two sides of the head band 11 in a telescopic adjusting mode, and a first sound generating unit 2 and a second sound generating unit 3 are respectively arranged at the lower ends of the first telescopic sleeve 12 and the second telescopic sleeve 13.

In summary, the utility model is provided with a microphone 40 at the end of the talk rod 4 for talking, a noise reduction head 221 for collecting the environmental noise and a decoding chip 222 for reducing the noise are additionally arranged on the first sound-emitting unit 2, the distance between the noise reduction microphone 221 and the microphone 40 is relatively far, so that the noise reduction microphone 221 can better collect the environmental noise except the human voice, and the decoding chip 222 compares the environmental noise signal collected by the noise reduction microphone 221 with the voice signal collected by the microphone 40 and offsets the environmental noise in the voice signal, thereby ensuring the communication quality, namely, the user can talk with the other party by using the related video call software on the computer, the other party can only hear the speaking voice and cannot hear the ambient noise around the user wearing the earphone, thereby ensuring the smoothness of the conversation and being very convenient to use.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a conversation noise reduction earphone, its includes head-mounted components (1) and connects first vocal unit (2) and second vocal unit (3) at head-mounted components (1) both ends, its characterized in that:

the first sound-producing unit (2) is provided with a call rod (4), the tail end of the call rod (4) is provided with a microphone (40) for call, the first sound-producing unit (2) comprises a shell (21), a PCB (printed circuit board) main control board (22) installed in the shell (21), a loudspeaker (23) electrically connected with the PCB main control board (22) and an earmuff covering the inner side of the shell (21), the call rod (4) is installed on the outer side of the shell (21), a noise reduction microphone head (221) used for collecting environmental noise is arranged on the PCB main control board (22), and the PCB main control board (22) is further provided with a decoding chip (222) used for comparing an environmental noise signal collected by the noise reduction microphone head (221) with a voice signal collected by the microphone (40) and offsetting the environmental noise in the voice signal; the noise reduction microphone (221) is a fully-directional microphone; the microphone (40) is a single-direction microphone; the type of the decoding chip (222) is ALC5516, and the microphone (40) is connected with an inductor L2 and a capacitor C41 and then is connected with a pin 27 of the decoding chip (222); the noise reduction microphone (221) is connected with an inductor L1 and a capacitor C36 and then connected with the pin 28 of the decoding chip (222), a differential amplifier is integrated in the decoding chip (222), and the pin + and the pin-of the differential amplifier are respectively connected with the pin 27 and the pin 28 of the decoding chip (222).

2. A speech noise reducing headset according to claim 1, wherein: the casing (21) is further connected with a wire (25) electrically connected with the PCB main control board (22) and a USB plug (26) mounted at the tail end of the wire (25), a wire controller (27) is further arranged on the wire (25), and a + key (271), a-key (272), a microphone mute key (273) and a loudspeaker mute key (274) are arranged on the wire controller (27).

3. A speech noise reducing headset according to claim 2, wherein: the talking lever (4) is rotatably mounted on the outer side of the housing (21).

4. A speech noise reducing headset according to claim 3, wherein: the shell (21) comprises a left shell (211) and a right shell (212) which are rotatably mounted at the end part of the headset (1) and fixed together and a loudspeaker shell (213) mounted on the inner side of the left shell (211), the earmuff covers the periphery of the loudspeaker shell (213), the talking rod (4) is rotatably mounted on the outer side of the right shell (212), and the outer side of the talking rod (4) is further provided with a decorative cover (5).

5. A speech noise reducing headset according to claim 4, wherein: the communication rod (4) comprises a left rod shell (41) and a right rod shell (42) which are mutually covered and fixed together, the left rod shell (41) comprises a first annular shell (411) and a first rod body (412) which is integrally formed at the periphery of the first annular shell (411), the right rod shell (42) comprises a second annular shell (421) and a second rod body (422) which is integrally formed at the periphery of the second annular shell (421), the first annular shell (411) and the second annular shell (421) are fixedly butted to form an annular shell, the annular shell is arranged at the outer side of the right shell (212), the first rod body (412) and the second rod body (422) are fixedly butted to form a rod body, and the annular shell is arranged at the outer side of the right shell (212); the microphone (40) is mounted at the end of the boom.

6. A speech noise reducing headset according to claim 2, wherein: wear subassembly (1) including head band (11) and install in first flexible cover (12) and the flexible cover of second (13) of this head band (11) both sides with scalable regulation's mode, first sound generating unit (2) and second sound generating unit (3) are installed respectively in this first flexible cover (12) and the flexible cover of second (13) lower extreme.