CN211209698U

CN211209698U - Noise-reduction intercom earphone

Info

Publication number: CN211209698U
Application number: CN202020305028.7U
Authority: CN
Inventors: 罗育培
Original assignee: Shengyang Acoustics Guangdong Co ltd
Current assignee: Shengyang Acoustics Guangdong Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-08-07
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses an intercom of making an uproar falls belongs to intercom technical field, hang including the head, the one end that the head was hung is connected with right earphone, and the other end that the head was hung is connected with left earphone, and left earphone's below is connected with the conversation MIC, and MIC and speaker are fallen including falling the processing chip of making an uproar, digit intercommunication module, the feedback of falling the noise in left earphone's inside, and the inside of right earphone also is equipped with the feedback and falls MIC and speaker of making an uproar. The utility model discloses the MIC of making an uproar falls in the feedforward picks up external environment noise in real time, fall operational amplifier and the comparator of making an uproar processing chip with ambient noise input, and the feedback is fallen the MIC of making an uproar and is picked up speaker sound content input in real time and fall the reverse processing that the processing chip carries out sound frequency response of making an uproar, through the software algorithm processing back of operation on the DSP in the digital intercommunication module, adopt directly to the frequency channel of voice part, based on the application of algorithm, take the high pass to the frequency channel of 200Hz-1.5kHz voice part, take the limit wave to cut down to the sound of other frequency channels.

Description

Noise-reduction intercom earphone

Technical Field

The utility model belongs to the technical field of the earphone of talkbacking, concretely relates to earphone of talkbacking of making an uproar falls.

Background

The interphone is commonly a single-channel interphone and a single-SPK interphone, and is used by being held in hands or being worn on a belt between the waist, and part of the interphone adopts a structure of a headset, so that the interphone can liberate two hands and can conveniently send and receive calls during talkback.

However, for the mainstream interphone in the market, monophony and single SPK have large background noise during talkback, and are directly played outside, so that surrounding people can hear the sound content; for the structure intercom of the headset, although hands are liberated, the sending and receiving of the telephone can be conveniently carried out during the intercom, but the structure intercom cannot be normally used in a high-noise environment.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an it makes an uproar to fall intercom earphone has the initiative and falls and makes an uproar, also can normally use the characteristics of send a telephone conversation and receiving function under the environment of high noise.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an it makes an uproar to fall intercom earphone, including hanging, the one end that the head was hung is connected with right earphone, the other end that the head was hung is connected with left earphone, left earphone's below is connected with conversation MIC, left earphone's inside is including falling the noise processing chip, the digital intercommunication module, MIC and speaker are fallen in the feedback, right earphone's inside also is equipped with the feedback and falls MIC and the speaker of making an uproar, wherein, the digital intercommunication module is connected with the noise processing chip of making an uproar, it is connected with the speaker to fall the processing chip of making an uproar, the speaker falls the MIC with the feedback and is connected, it is connected with the processing chip of making an uproar to fall the feedback MIC of making an uproar to fall.

Preferably, the right earphone and the left earphone are respectively connected with a sound release hole below the MIC corresponding to the feedforward noise reduction.

Preferably, the battery is connected with the inside of the left earphone and is connected with the digital talkback module.

Preferably, a battery cover is connected to the outside of the left earphone, and the battery cover is connected to the left earphone through a battery replacement button.

Preferably, the bottom of the right earphone is connected with a software testing/upgrading interface, and the software testing/upgrading interface is connected with the noise reduction processing chip.

Preferably, the side of the right earphone is connected with a power indicator, and a power switch/volume up-down key is arranged below the power indicator.

Preferably, the side of the right earphone is located below the power switch/volume plus-minus key and is connected with a noise reduction function indicator lamp, and a noise reduction function switch key is arranged below the noise reduction function indicator lamp.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses the MIC of making an uproar falls in the feedforward picks up external environment noise in real time, fall operational amplifier and the comparator of making an uproar processing chip with ambient noise input, and the feedback is fallen the MIC of making an uproar and is picked up speaker sound content input in real time and fall the reverse processing that the processing chip carries out sound frequency response of making an uproar, through the software algorithm processing back of operation on the DSP in the digital intercommunication module, adopt directly to the frequency channel of voice part, based on the application of algorithm, take the high pass to the frequency channel of 200Hz-1.5kHz voice part, take the limit wave to cut down to the sound of other frequency channels.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view of the structure of fig. 1 according to the present invention;

FIG. 3 is a schematic diagram of the right side view of FIG. 1 according to the present invention;

fig. 4 is a rear view schematically illustrating the structure of fig. 1 according to the present invention;

fig. 5 is a schematic bottom view of the present invention shown in fig. 1;

fig. 6 is a schematic diagram of the system structure of the present invention.

In the figure: 1. a right earphone; 2. hanging the head; 3. a left earphone; 4. calling MIC; 5. a power indicator light; 6. power switch/volume up-down key; 7. a noise reduction function indicator light; 8. a noise reduction function on-off key; 9. replacing the battery button; 10. feedforward noise reduction MIC; 11. a sound venting hole; 12. a software test/upgrade interface; 13. a noise reduction processing chip; 14. a digital intercom module; 15. feeding back a noise reduction MIC; 16. a battery; 17. a loudspeaker.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides an intercom's earphone of making an uproar falls, including hanging 2, the one end of hanging 2 is connected with right earphone 1, the other end of hanging 2 is connected with left earphone 3, the below of left earphone 3 is connected with conversation MIC4, the inside of left earphone 3 is including making an uproar the processing chip 13 of making an uproar, digital intercom module 14, the MIC15 and the speaker 17 of making an uproar fall in the feedback, the inside of right earphone 1 also is equipped with the MIC15 and the speaker 17 of making an uproar fall in the feedback, wherein, digital intercom module 14 is connected with the processing chip 13 of making an uproar falls, the processing chip 13 of making an uproar falls in the noise reduction, the MIC15 is connected with the feedback and makes an uproar, the MIC15 and the processing chip 13 of making an uproar fall in the feedback are connected with respectively on right earphone 1 and the left earphone 3, the MIC.

Specifically, the sound venting holes 11 are respectively connected to the right earphone 1 and the left earphone 3 below the MIC10 corresponding to the feedforward noise reduction.

Through adopting above-mentioned technical scheme, let out sound and fall making an uproar through letting out hole 11.

Specifically, the battery 16 is connected to the inside of the left earphone 3, and the battery 16 is connected to the digital intercom module 14.

By adopting the technical scheme, the whole system is powered by the battery 16.

Specifically, a battery cover is connected to the outside of the left earphone 3, and the battery cover is connected to the left earphone 3 through a battery replacement button 9.

By adopting the technical scheme, the battery 16 is conveniently powered.

Specifically, the bottom of the right earphone 1 is connected with a software testing/upgrading interface 12, and the software testing/upgrading interface 12 is connected with a noise reduction processing chip 13.

By adopting the technical scheme, the software is lifted and lowered through the software testing/upgrading interface 12.

Specifically, the side of the right earphone 1 is connected with a power indicator lamp 5, and a power switch/volume up-down key 6 is arranged below the power indicator lamp 5.

By adopting the technical scheme, the earphone is controlled by the power switch/volume up-down key 6.

Specifically, a noise reduction function indicator light 7 is connected to the side surface of the right earphone 1 below the power switch/volume up-down key 6, and a noise reduction function switch key 8 is arranged below the noise reduction function indicator light 7.

By adopting the technical scheme, the noise reduction function is controlled by the noise reduction function on-off key 8.

The noise reduction processing chip 13 of this embodiment is an AMS3435 chip.

The utility model discloses a theory of operation and use flow: the utility model discloses MIC10 real-time pickup external environment noise falls in feedforward, fall operational amplifier and the comparator of making an uproar processing chip 13 with the ambient noise input, and the feedback is fallen MIC15 of making an uproar and is fallen loudspeaker 17 sound content input in real time and fall the reverse processing that makes an uproar processing chip 13 carries out the sound frequency response, through the software algorithm processing back of operation on the DSP in the digital intercommunication module 14, adopt directly to the frequency channel of voice part, based on the application of algorithm, take the high pass to the frequency channel of 200Hz-1.5kHz voice part, take the limit wave to cut down to the sound of other frequency channels.

The working frequency of the application is applicable to a single frequency band, and is also protected from the usable frequency band of 433MHz to 2.4 GHz.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a make an uproar intercom earphone falls, includes head-mounted (2), its characterized in that: one end of the head-mounted earphone (2) is connected with a right earphone (1), the other end of the head-mounted earphone (2) is connected with a left earphone (3), a call MIC (4) is connected below the left earphone (3), the inside of the left earphone (3) comprises a noise reduction processing chip (13), a digital intercommunication module (14), a feedback noise reduction MIC (15) and a loudspeaker (17), the inside of the right earphone (1) is also provided with the feedback noise reduction MIC (15) and the loudspeaker (17), wherein the digital intercommunication module (14) is connected with the noise reduction processing chip (13), the noise reduction processing chip (13) is connected with the loudspeaker (17), the loudspeaker (17) is connected with the feedback noise reduction MIC (15), the feedback noise reduction MIC (15) is connected with the noise reduction processing chip (13), the right earphone (1) and the left earphone (3) are respectively connected with a feedforward noise reduction MIC (10), the feedforward noise reduction MIC (10) is connected with the noise, the call MIC (4) is connected with the digital talkback module (14).

2. A noise reducing intercom earphone as in claim 1 wherein: and sound venting holes (11) are respectively connected to the lower parts of the right earphone (1) and the left earphone (3) corresponding to the feedforward noise reduction MICs (10).

3. A noise reducing intercom earphone as in claim 2 wherein: the battery (16) is connected to the inside of the left earphone (3), and the battery (16) is connected with the digital talkback module (14).

4. A noise reducing intercom earphone as in claim 3 wherein: the battery cover is connected to the outside of the left earphone (3) and connected with the left earphone (3) through a battery replacing button (9).

5. A noise reducing intercom earphone as in claim 4 wherein: the bottom of the right earphone (1) is connected with a software testing/upgrading interface (12), and the software testing/upgrading interface (12) is connected with a noise reduction processing chip (13).

6. A noise reducing intercom earphone as in claim 5 wherein: the side surface of the right earphone (1) is connected with a power indicator (5), and a power switch/volume up-down key (6) is arranged below the power indicator (5).

7. A noise reducing intercom earphone as in claim 6 wherein: the side surface of the right earphone (1) is positioned below the power switch/volume plus-minus key (6) and is connected with a noise reduction function indicator light (7), and a noise reduction function switch key (8) is arranged below the noise reduction function indicator light (7).