CN210807610U - Earphone set - Google Patents

Abstract

The utility model discloses an earphone, including printed circuit board to and set up main microphone and the first microphone of making an uproar of falling above that, further include interconnect's first shell and second shell, printed circuit board sets up the inside of first shell, the inside of second shell is equipped with monomer and the second and falls the microphone of making an uproar, first shell with space alternate segregation in the second shell. This earphone adopts the first microphone and the second microphone of making an uproar of falling to fall, is used for receiving external noise and inside noise respectively, and the second falls the microphone of making an uproar and main microphone not in same space, makes the earphone accurately acquire the noise, improves the noise reduction effect.

Description

Earphone set

Technical Field

The utility model relates to a sound technical field especially relates to an earphone.

Background

Currently, with the advancement of technology, earphones have become a necessary accessory for related electronic devices in order to listen to music or watch movies in an environment that does not interfere with others.

Headphones, in particular headsets, generally have the function of outputting sound and inputting sound, i.e. comprise a loudspeaker and a microphone. The sound received by the microphone can be contaminated with a lot of noise or echo due to external noise, as well as the sound emitted by the headset itself. At present, noise such as noise or echo in a main microphone can be filtered through sound filtering processing by additionally arranging a noise reduction microphone.

The existing main microphone and the noise reduction microphone are more directly arranged on a Printed Circuit Board (PCB), and the noise reduction microphone can not accurately acquire noise, so that the noise reduction effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an earphone that noise reduction effect is good.

An earphone comprises a printed circuit board, a main microphone, a first noise reduction microphone, a first shell and a second shell, wherein the main microphone and the first noise reduction microphone are arranged on the printed circuit board, the first shell and the second shell are connected with each other, the printed circuit board is arranged in the first shell, a single body and the second noise reduction microphone are arranged in the second shell, and the first shell and a space in the second shell are separated from each other.

The utility model has the advantages that: the first noise reduction microphone and the second noise reduction microphone are used for receiving external noise and internal noise respectively, and the second noise reduction microphone and the main microphone are not in the same space, so that the earphone can accurately acquire noise, and the noise reduction effect is improved.

In addition, according to the utility model provides an earphone can also have following additional technical characterstic:

furthermore, an auxiliary microphone is also arranged on the printed circuit board.

Further, the main microphone, the first noise reduction microphone and the auxiliary microphone are all located at the edge of the printed circuit board and are respectively arranged at the bottom, the middle and the top of the printed circuit board.

Furthermore, a partition board is arranged on the printed circuit board, and a connecting line between the main microphone and the first noise reduction microphone penetrates through the partition board.

Furthermore, the partition board is connected with the printed circuit board and the first shell at the same time, is of a block structure, and forms an annular cavity with the printed circuit board and the first shell.

Furthermore, the second shell is provided with an ear cap, and the ear cap is detachably connected with the edge of the second shell.

Furthermore, the edge of second shell is equipped with interlock portion, interlock portion with the earmuff joint.

Furthermore, the first shell extends outwards to be provided with a sound receiver, and the sound receiver is electrically connected with the main microphone.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an earphone according to a first embodiment of the present invention;

fig. 2 is a schematic view of the earphone of fig. 1 with the first housing removed;

fig. 3 is a schematic cross-sectional view of the headset of fig. 1;

in the figure: 1-first housing, 11-printed circuit board, 12-main microphone, 13-auxiliary microphone, 14-first noise reduction microphone, 15-clapboard, 2-second housing, 21-monomer, 22-second noise reduction microphone, 3-sound receiver.

Detailed Description

In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a first embodiment of the present invention provides an earphone, which includes a printed circuit board 11, and a main microphone 12 and a first noise reduction microphone 14 disposed thereon.

Specifically, the earphone further comprises a first casing 1 and a second casing 2 which are connected with each other, the printed circuit board 11 is arranged inside the first casing 1, a single body 21 and a second noise reduction microphone 22 are arranged inside the second casing 2, and spaces in the first casing 1 and the second casing 2 are separated from each other.

The utility model has the advantages of, adopt the first microphone 14 and the second of making an uproar of falling to fall, be used for receiving external noise and inside noise respectively, wherein the sound of external noise for keeping away from user's mouth, the sound that inside noise was earphone self sent, and the second falls the microphone 22 of making an uproar and main microphone 12 not in same space, makes the earphone accuracy acquire the noise, and sound behind the filtering noise is better, has improved the noise reduction effect.

In addition, the printed circuit board 11 is further provided with an auxiliary microphone 13 for assisting the main microphone 12 to collect sound, and the sound collected by the two microphones is overlapped and filtered to improve the sound quality of the input sound.

Specifically, the main microphone 12, the first noise reduction microphone 14, and the auxiliary microphone 13 are all located at the edge of the printed circuit board 11, and are respectively disposed at the bottom, the middle, and the top of the printed circuit board 11.

It can be understood that the main microphone 12, the first noise reduction microphone 14 and the auxiliary microphone 13 are all far away from each other, and the collected sounds have certain representativeness, wherein the main microphone 12 and the first noise reduction microphone 14 are located at two farthest points of the printed circuit board 11, so that the algorithm during filtering can easily and accurately locate the human voice direction and cut the peripheral noise.

Furthermore, a partition 15 is disposed on the printed circuit board 11, and a connection line between the main microphone 12 and the first noise reduction microphone 14 passes through the partition 15. In this embodiment, the partition 15 is connected to the printed circuit board 11 and the first housing 1 at the same time, and the partition 15 is a block structure and forms an annular cavity with the printed circuit board 11 and the first housing 1.

It should be noted that the farther the distance between the main microphone 12 and the first noise reduction microphone 14 is, the better the noise reduction effect is, and the "distance" herein is understood to be the path of air from the main microphone 12 and the first noise reduction microphone 14, and when both are disposed in the annular cavity, the path line is a curve, and the length is longer than that of a straight line, that is, the path is longer.

It should be noted that the above configuration achieves further enlargement of the distance between the main microphone 12 and the first noise reduction microphone 14 without changing the size of the first housing 1 and the positions of the main microphone 12 and the first noise reduction microphone 14.

In addition, the second casing 2 is provided with an ear cap 23, and the ear cap 23 is detachably connected with the edge of the second casing 2. In this embodiment, the edge of the second housing 2 is provided with a snapping part 24, the snapping part 24 is connected with the ear cap 23 in a clamping manner, and the ear cap 23 is made of sponge and is used for being hung on an ear.

In addition, the first housing 1 is provided with a sound receiver 3 extending outwards, and the sound receiver 3 is electrically connected to the main microphone 12.

It will be appreciated that the sound receiver 3 and the primary microphone 12 can constitute a microphone assembly, enabling the distance from the sound source when receiving sound to be shortened.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. The utility model provides an earphone, includes printed circuit board, and sets up main microphone and the first microphone of making an uproar of falling on it, its characterized in that, further includes interconnect's first shell and second shell, printed circuit board sets up the inside of first shell, the inside of second shell is equipped with monomer and the second microphone of making an uproar of falling, first shell with space alternate segregation in the second shell.

2. The headset of claim 1, wherein the printed circuit board further includes a secondary microphone thereon.

3. The headset of claim 2, wherein the primary microphone, the first noise reduction microphone, and the secondary microphone are all located at an edge of the printed circuit board, disposed at a bottom, a middle, and a top of the printed circuit board, respectively.

4. The headset of claim 1, wherein a spacer is disposed on the printed circuit board, and a connection line between the primary microphone and the first noise reducing microphone passes through the spacer.

5. The headset of claim 4, wherein the diaphragm is connected to both the printed circuit board and the first housing, the diaphragm being a block-like structure forming an annular cavity with the printed circuit board and the first housing.

6. The earphone as claimed in claim 1, wherein the second housing is provided with an ear cap, and the ear cap is detachably connected with the edge of the second housing.

7. The earphone according to claim 6, wherein the edge of the second housing is provided with a snap portion, and the snap portion is clamped with the ear cap.

8. The headset of claim 1, wherein the first housing extends outwardly to provide a sound receiver electrically coupled to the primary microphone.

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