CN110896514A

CN110896514A - Noise reduction earphone

Info

Publication number: CN110896514A
Application number: CN201911321287.7A
Authority: CN
Inventors: 郭德禄
Original assignee: Chengxing Technology Shenzhen Co Ltd
Current assignee: Chengxing Technology Shenzhen Co Ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-03-20

Abstract

The invention discloses a noise reduction earphone, which comprises an earphone main body; the earphone main body comprises a PCB, a noise reduction loudspeaker and a music loudspeaker; the PCB comprises a noise reduction module, a music module and a control module; the noise reduction loudspeaker and the music loudspeaker are connected with the PCB; the invention has the beneficial effects that: the design adopts double horns, one noise reduction horn and one music horn; the problem that the low-frequency is also eliminated due to the fact that only one loudspeaker is used in the prior art is solved, and two working modes, namely a noise reduction mode and a common mode, exist; simple structure and easy production.

Description

Noise reduction earphone

Technical Field

The invention relates to the technical field of earphones, in particular to a noise reduction earphone.

Background

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 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. The passive noise reduction earphone 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. Due to the poor noise reduction effect of passive noise reduction, the active noise reduction earphone is more and more widely applied.

The existing active noise reduction earphone generates reverse low-frequency sound waves equal to external noise through a noise reduction system to neutralize the noise; one drawback of such noise reducing headsets is that: playing the useful audio while reducing noise will cancel the low frequency sounds of the useful audio, resulting in distortion of the useful audio.

Disclosure of Invention

The invention mainly solves the technical problem of providing a noise reduction earphone which is provided with double loudspeakers, solves the problem that the low-frequency is also eliminated due to noise reduction, and has simple structure and easy production.

In order to solve the above problems, the present invention provides a noise reduction headphone, comprising a headphone main body; the earphone main body comprises a PCB, a noise reduction loudspeaker and a music loudspeaker; the PCB comprises a noise reduction module, a music module and a control module; the noise reduction loudspeaker and the music loudspeaker are connected with the PCB.

Furthermore, the noise reduction module, the music module, the noise reduction loudspeaker and the music loudspeaker are connected with the control module, the noise reduction loudspeaker is connected with the noise reduction module and the music module, and the music loudspeaker is connected with the music module.

Furthermore, the noise reduction module is provided with a noise reduction microphone.

Furthermore, the noise reduction module works, the noise reduction microphone can detect low-frequency noise in the environment which can be heard by ears, the low-frequency noise is processed by the noise reduction module, sound waves with opposite phases and the same amplitude with the low-frequency noise are generated to be used as cancellation noise, and the cancellation noise is finally played from the noise reduction loudspeaker.

Further, the music module is used for playing useful audio.

Furthermore, the control module can control the noise reduction module, the music module, the noise reduction loudspeaker and the music loudspeaker to work; the control module can control the music module, the noise reduction loudspeaker and the music loudspeaker to work, and the noise reduction module is closed.

Further, the earphone body may be a wireless pair earphone, a sports earphone, or a headset.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is an exploded view of a first embodiment of the present invention.

Fig. 2 is a connection block diagram of the components according to the first embodiment of the present invention.

FIG. 3 is a schematic diagram of a second embodiment of the present invention.

Fig. 4 is a schematic diagram of a third embodiment of the present invention.

The objectives, features, and advantages of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 and 2, the noise reduction earphone includes an earphone body 10; the earphone body 10 comprises a PCB 11, a noise reduction loudspeaker 12 and a music loudspeaker 13; the PCB 11 comprises a noise reduction module 111, a music module 112 and a control module 113; the noise reduction loudspeaker 12 and the music loudspeaker 13 are connected with the PCB 11.

Specifically speaking: the noise reduction module 111, the music module 112, the noise reduction loudspeaker 12 and the music loudspeaker 13 are connected with the control module 113, the noise reduction loudspeaker 12 is connected with the noise reduction module 111 and the music module 112, and the music loudspeaker 13 is connected with the music module 112; the noise reduction module 111 is provided with a noise reduction microphone 1111; the noise reduction module 111 works, the noise reduction microphone 1111 detects low-frequency noise in the environment that ears can hear, the low-frequency noise is processed by the noise reduction module 111, sound waves with the phase opposite to that of the low-frequency noise and the same amplitude are generated to be used as cancellation noise, and the cancellation noise is finally played from the noise reduction loudspeaker 12; the music module 112 is used for playing useful audio; the control module 113 can control the noise reduction module 111, the music module 112, the noise reduction loudspeaker 12 and the music loudspeaker 13 to work, which is a noise reduction mode, so that the offset noise and the useful audio are played from the noise reduction loudspeaker 12, and the useful audio is also played from the music loudspeaker 13, so that the low audio in the useful audio is not eliminated; the control module 113 can control the music module 112, the noise reduction speaker 12 and the music speaker 13 to work, and the noise reduction module 111 is closed, which is a common mode, so that the noise reduction module 111 does not generate offset noise any more, and useful audio is played from the noise reduction speaker 12 and the music speaker 13 at the same time.

Referring to fig. 1 and fig. 2, the noise reduction module 111, the music module 112, the noise reduction speaker 12, and the music speaker 13 are connected to the control module 113, the noise reduction speaker 12 is connected to the noise reduction module 111 and the music module 112, and the music speaker 13 is connected to the music module 112.

Referring to fig. 1 and 2, the noise reduction module 111 is provided with a noise reduction microphone 1111.

Referring to fig. 1 and 2, the noise reduction module 111 operates, the noise reduction microphone 1111 detects low-frequency noise in the environment that the ear can hear, the low-frequency noise is processed by the noise reduction module 111, and a sound wave with the same amplitude and opposite phase to the low-frequency noise is generated as cancellation noise, and the cancellation noise is finally played from the noise reduction speaker 12.

Referring to fig. 1 and 2, the music module 112 is used for playing useful audio.

Referring to fig. 1 and fig. 2, the control module 113 can control the noise reduction module 111, the music module 112, the noise reduction speaker 12, and the music speaker 13 to operate; the control module 113 can control the music module 112, the noise reduction loudspeaker 12 and the music loudspeaker 13 to work, and the noise reduction module 111 is closed.

Referring to fig. 1, the earphone body 10 is a wireless earphone.

Example two:

referring to fig. 3, the earphone body 10 is a sports earphone.

Example three:

referring to fig. 4, the earphone body 10 may be a headphone.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments without departing from the spirit or scope of the present invention.

Claims

1. A noise reducing headphone comprising a headphone body (10); the earphone is characterized in that the earphone body (10) comprises a PCB (printed circuit board) board (11), a noise reduction loudspeaker (12) and a music loudspeaker (13); the PCB (11) comprises a noise reduction module (111), a music module (112) and a control module (113); the noise reduction loudspeaker (12) and the music loudspeaker (13) are connected with the PCB (11).

2. The noise reduction earphone according to claim 1, wherein the noise reduction module (111), the music module (112), the noise reduction speaker (12) and the music speaker (13) are connected with the control module (113), the noise reduction speaker (12) is connected with the noise reduction module (111) and the music module (112), and the music speaker (13) is connected with the music module (112).

3. A noise reducing headset according to claim 2, characterized in that the noise reducing module (111) is provided with a noise reducing and noise reducing microphone (1111).

4. A noise reducing headphone according to claim 3, wherein the noise reducing module (111) is operative, the noise reducing microphone (1111) detects bass noise in the environment audible to the ear, the bass noise is processed by the noise reducing module (111) to generate sound waves with opposite phase and same amplitude as the bass noise as the cancellation noise, and the cancellation noise is finally emitted from the noise reducing speaker (12).

5. A noise reducing headphone according to claim 4, characterized in that the music module (112) is adapted to play useful audio.

6. The noise reduction earphone according to claim 5, wherein the control module (113) can control the noise reduction module (111), the music module (112), the noise reduction loudspeaker (12) and the music loudspeaker (13) to work; the control module (113) can control the music module (112), the noise reduction loudspeaker (12) and the music loudspeaker (13) to work, and the noise reduction module (111) is closed.

7. A noise reducing headset according to claim 6, characterized in that the headset body (10) can be a wireless headset, a sports headset or a headset.