CN213126425U

CN213126425U - Noise-reducing telephone traffic earphone

Info

Publication number: CN213126425U
Application number: CN202022381598.7U
Authority: CN
Inventors: 李虎; 彭文军
Original assignee: Beijing Edifier Technology Co Ltd
Current assignee: Beijing Edifier Technology Co Ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-05-04
Anticipated expiration: 2030-10-23

Abstract

The utility model relates to the technical field of earphones, a traffic earphone that can reduce noise is disclosed, include: the ear-shaped earphone comprises an arc-shaped head band, a first cover body connected with one end of the head band, a second cover body connected with the other end of the head band, and an earshell and a wheat straw which are respectively arranged on the outer side of the second cover body; be equipped with the bone conduction chip in the first lid, the second lid is equipped with the circuit board, be equipped with first air conduction microphone in the earlap, be equipped with the second air conduction microphone in the wheat straw, the bone conduction chip first air conduction microphone second air conduction microphone respectively with the circuit board electricity is connected. The embodiment of the utility model provides an introduced the bone conduction chip in the telephone traffic earphone, the bone conduction chip adopts the bone conduction mode, and first air conduction microphone and second air conduction microphone adopt the air conduction mode, combine the sound signal that the three gathered to fall the noise processing, can obtain more clear sound signal, reduce external environment noise's harmful effects, guarantee speech quality.

Description

Noise-reducing telephone traffic earphone

Technical Field

The utility model relates to an earphone technical field especially relates to a traffic earphone of degradable noise.

Background

Telephone traffic earphone, which is generally special for telephone traffic personnel, is designed for voice transmission, is mainly connected with a telephone or a computer, and is used in special fields such as offices, call centers and the like.

The telephone traffic earphone has the following characteristics: the frequency bandwidth is narrow, and the design is specific to the frequency of voice, so that the fidelity of voice is excellent, and other frequency bands are strongly inhibited; the microphone uses a professional electret microphone, the microphone works stably, and the problem of sound distortion caused by sensitivity reduction is not easy to occur in the long-term working process; the weight is light, the durability is high, and two aspects of comfort and high performance are comprehensively considered; the safety performance is high, and necessary protection circuits are designed on the circuit.

The application of the telephone traffic earphone can release the two hands of the calling service personnel, so that the efficiency is more efficient; the automatic dialing function matched with a call center system is provided, the manual input of a call service worker is avoided, the time cost is saved, and the error and the omission of a working link caused by the wrong number input are avoided; the telephone traffic earphone has powerful functions, supports more expanded functions than a common telephone traffic telephone and can better meet the service requirements of call service personnel!

Under the common condition, a person using the telephone traffic earphone, especially a worker of a call center, is in an open office environment or an environment with poor sound insulation effect, the ambient sound is noisy, the communication quality is greatly influenced, and communication cannot be normally carried out, so that the bad effect is generated on services or services, however, the problem cannot be well solved by the current telephone traffic earphone.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a traffic earphone that can fall and make an uproar improves the harmful effects that noisy environmental sound produced conversation quality.

To achieve the purpose, the utility model adopts the following technical proposal:

a noise-reducible traffic headset, comprising: the ear-shaped earphone comprises an arc-shaped head band, a first cover body connected with one end of the head band, a second cover body connected with the other end of the head band, and an earshell and a wheat straw which are respectively arranged on the outer side of the second cover body;

the novel wheat straw cover is characterized in that a bone conduction chip is arranged in the first cover body, a circuit board is arranged on the second cover body, a first air conduction microphone is arranged on the circuit board, a second air conduction microphone is arranged in the wheat straw, and the bone conduction chip, the first air conduction microphone and the second air conduction microphone are respectively electrically connected with the circuit board.

Optionally, a noise reduction processing circuit is arranged on the circuit board, and the noise reduction processing circuit includes a primary noise reduction circuit unit and a secondary noise reduction circuit unit; one input end of the primary noise reduction circuit unit is electrically connected with the first air conduction microphone, the other input end of the primary noise reduction circuit unit is electrically connected with the second air conduction microphone, and the output end of the primary noise reduction circuit unit is electrically connected with one input end of the secondary noise reduction circuit unit; and the other input end of the secondary noise reduction circuit unit is electrically connected with the bone conduction chip.

Optionally, the headband comprises: arc metal strip and plastic cover, the plastic cover is followed one end cover of arc metal strip extremely the outside of arc metal strip, the other end of arc metal strip is equipped with and is used for right the plastic cover carries out spacing portion.

Optionally, the bone conduction chip is fixed at one end of the flexible flat cable; the other end of the flexible flat cable extends into the second cover body through the internal channel of the plastic sleeve and is electrically connected with the circuit board.

Optionally, first lid is including dismantling first upper cover and the first lower cover of connection, it is curved supporting pad to cover to be formed with under first, the bone conduction chip with the inboard of supporting pad is laminated mutually.

Optionally, the second lid is including dismantling second upper cover and the second lower cover of connection, the inboard of second lower cover with the earlap is connected, the outside bottom of second lower cover with wheat straw swivelling joint.

Optionally, a battery, a power-on key and a volume key are further arranged in the second cover body and are respectively electrically connected with the circuit board; and the second lower cover is provided with a key hole, so that the pressing surfaces of the starting button and the volume button are exposed outside.

Optionally, the straw includes a third upper cover and a third lower cover which are detachably connected, an on-hook button is further arranged in the straw, and a button hole is formed in the third lower cover, so that a pressing surface of the on-hook button is exposed to the outside.

Optionally, an earcap is further sleeved outside the earshell.

Optionally, the first cover body and the second cover body are respectively fastened and connected with the headband through screws.

Compared with the prior art, the embodiment of the utility model provides a following beneficial effect has:

the embodiment of the utility model provides an introduced the bone conduction chip in the telephone traffic earphone, the bone conduction chip adopts the bone conduction mode, and first air conduction microphone and second air conduction microphone adopt the air conduction mode, combine the sound signal that the three gathered to fall the noise processing, can obtain more clear sound signal, and the speech quality is guaranteed to the harmful effects of greatly reduced external environment noise.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is an assembly perspective view of a traffic earphone capable of reducing noise according to an embodiment of the present invention.

Fig. 2 is an exploded view of a traffic earphone capable of reducing noise according to an embodiment of the present invention.

Illustration of the drawings: the head band 1, the first cover body 2, the second cover body 3, the earmuff 4, the wheat straw 5, the earmuff 6, the arc-shaped metal strip 11, the plastic cover 12, the bone conduction chip 21, the first upper cover 22, the first lower cover 23, the supporting pad 24, the flexible flat cable 25, the circuit board 31, the second upper cover 32, the second lower cover 33, the battery 34, the on-off key 35, the volume key 36, the decorative ring 37, the first air conduction microphone 38, the second air conduction microphone 51, the third upper cover 52, the third lower cover 53 and the on-hook key 54.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a traffic earphone capable of reducing noise, which specifically includes: the headband comprises an arc-shaped headband 1, a first cover body 2 connected with one end of the headband 1, a second cover body 3 connected with the other end of the headband 1, and an earmuff 4 and a wheat straw 5 which are respectively arranged on the outer side of the second cover body 3.

The bone conduction chip 21 is arranged in the first cover body 2, the circuit board 31 is arranged on the second cover body 3, the first air conduction microphone 38 is arranged on the circuit board 31, the second air conduction microphone 51 is arranged in the wheat straw 5, and the bone conduction chip 21, the first air conduction microphone 38 and the second air conduction microphone 51 are respectively electrically connected with the circuit board 31.

The propagation medium of sound includes solids, liquids and air, and the way sound waves are generally transmitted into the inner ear is air conduction and bone conduction (i.e., solid conduction). Air conduction means that sound waves are transmitted to the middle ear through the auricle and the external auditory canal, and then transmitted to the inner ear through the ossicular chain. And bone conduction means that sound waves are transmitted to the inner ear through vibration of the skull, jaw bone, etc.

Compared with the air conduction mode, the bone conduction mode has the advantages of no damage to ears, no noise interference and the like, because: because the bone conduction chip 21 works closely to the head of the human body, the bone vibrator which is the main component of the bone conduction chip is a purely mechanical vibration component, and the potential radiation hazard of electromagnetic waves to the human brain does not exist; bone conduction does not require air as a medium and still has higher definition in a strong noise environment.

Therefore, in the embodiment of the utility model provides an in, bone conduction chip 21 adopts the bone conduction mode, and first air conduction microphone 38 and second air conduction microphone 51 adopt the air conduction mode, combine the sound signal that the three gathered to carry out noise reduction processing, can be in order to obtain more clear sound signal, the harmful effects of greatly reduced external environment noise guarantees speech quality.

Illustratively, the circuit board 31 is provided with a noise reduction circuit, which includes a primary noise reduction circuit unit and a secondary noise reduction circuit unit; one input end of the first-stage noise reduction circuit unit is electrically connected with the first air conduction microphone 38, the other input end of the first-stage noise reduction circuit unit is electrically connected with the second air conduction microphone 51, and the output end of the first-stage noise reduction circuit unit is electrically connected with one input end of the second-stage noise reduction circuit unit; the other input end of the secondary noise reduction circuit unit is electrically connected with the bone conduction chip 21, and the output end of the secondary noise reduction circuit unit is connected to the next processing circuit.

Based on the noise reduction processing circuit, the first-stage noise reduction circuit unit performs combined noise reduction processing on the sound signals collected by the first air conduction microphone 38 and the second air conduction microphone 51 to obtain a first combined sound signal; the second-stage noise reduction circuit unit performs combined noise reduction processing on the first combined sound signal and the sound signal acquired by the bone conduction chip 21 to obtain a second combined sound signal and outputs the second combined sound signal.

To a plurality of sound signal that bone conduction and air conduction two kinds of modes were gathered, the embodiment of the utility model provides a through the two-stage noise reduction processing mode, finally can effectively reduce the noise in the output signal, promote speech quality greatly. The specific circuit to the circuit unit of making an uproar falls in the two-stage realizes, the utility model discloses do not make the restriction, can come the nimble design according to actual demand.

Referring to fig. 2, the headband 1 includes: arc metal strip 11 and plastic cover 12, plastic cover 12 along the one end cover of arc metal strip 11 to the outside of arc metal strip 11, the other end of arc metal strip 11 is equipped with and is used for carrying out spacing portion to plastic cover 12. The arc-shaped metal strip 11 has good elasticity due to its metal material (e.g., stainless steel), and ensures comfort and durability of the headband 1. The limiting part is designed at one end, so that the assembling mode of the headband 1 is simple and quick. The first cover body 2 and the second cover body 3 can be connected with the head band 1 in clamping, screw fastening and other modes respectively.

Specifically, the bone conduction chip 21 and the circuit board 31 at the two ends of the headband 1 can be connected by a flexible flat cable with a certain length. The bone conduction chip 21 is fixed at one end of the flexible flat cable 25; the other end of the flexible flat cable 25 extends into the second cover 3 through the internal channel of the plastic sleeve 12, and is electrically connected to the circuit board 31.

Illustratively, the first cover 2 includes a first upper cover 22 and a first lower cover 23 detachably connected to each other, and both can be connected by various conventional methods such as fastening, bonding, welding, etc., without limitation.

An arc-shaped supporting pad 24 is formed on the first lower cover 23, and the bone conduction chip 21 is attached to the inner side of the supporting pad 24. The support pad 24 is preferably made of a plastic material and has an arcuate configuration to conform to the human face to ensure a snug fit. When the bone conduction chip 21 is applied, the bone conduction chip is in hard contact with the face of a human body through the supporting pad 24, so that sound signals are collected.

Similarly, the second cover 3 includes a second upper cover 32 and a second lower cover 33 detachably connected. In a similar way, the second upper cover 32 and the second lower cover 33 can be connected by various conventional methods such as buckling, bonding and welding, but the utility model discloses do not make the restriction.

The inside of second lower cover 33 is connected with earlap 4, and the outside bottom and the wheat straw 5 swivelling joint of second lower cover 33, and the wearer can rotate wheat straw 5 to suitable angle according to the user demand.

In addition, the second cover 3 is also provided with a battery 34, a power on/off button 35 and a volume button 36, which are electrically connected with the circuit board 31 respectively; the second lower cover 33 is provided with a key hole, so that the pressing surfaces of the power on/off key 35 and the volume key 36 are exposed to the outside. The periphery of the on-off button 35 is also sleeved with a decorative ring 37 to improve the aesthetic degree of the telephone traffic earphone.

The wheat straw 5 comprises a third upper cover 52 and a third lower cover 53 which are detachably connected, an on-hook button 54 is further arranged in the wheat straw 5, and a button hole is formed in the third lower cover 53, so that the pressing surface of the on-hook button 54 is exposed outside, and the pressing operation of a wearer is facilitated.

In addition, in order to improve the wearing comfort, the earmuffs 6 are sleeved outside the earmuffs 4.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A noise-degradable traffic headset, comprising: the novel headband comprises an arc-shaped headband (1), a first cover body (2) connected with one end of the headband (1), a second cover body (3) connected with the other end of the headband (1), and an earshell (4) and a wheat straw (5) which are respectively arranged on the outer side of the second cover body (3);

be equipped with bone conduction chip (21) in first lid (2), second lid (3) are equipped with circuit board (31), be equipped with first air conduction microphone (38) on circuit board (31), be equipped with second air conduction microphone (51) in wheat straw (5), bone conduction chip (21) first air conduction microphone (38) second air conduction microphone (51) respectively with circuit board (31) electricity is connected.

2. The traffic earphone capable of reducing noise according to claim 1, wherein the circuit board (31) is provided with a noise reduction processing circuit, and the noise reduction processing circuit comprises a primary noise reduction circuit unit and a secondary noise reduction circuit unit; one input end of the primary noise reduction circuit unit is electrically connected with the first air conduction microphone (38), the other input end of the primary noise reduction circuit unit is electrically connected with the second air conduction microphone (51), and the output end of the primary noise reduction circuit unit is electrically connected with one input end of the secondary noise reduction circuit unit; the other input end of the secondary noise reduction circuit unit is electrically connected with the bone conduction chip (21).

3. A noise-reducing traffic headset according to claim 1, wherein the headband (1) comprises: arc metal strip (11) and plastic cover (12), plastic cover (12) are followed the one end cover of arc metal strip (11) extremely the outside of arc metal strip (11), the other end of arc metal strip (11) is equipped with and is used for right plastic cover (12) carry out spacing portion.

4. The noise-reducing telephone traffic headset according to claim 3, wherein the bone conduction chip (21) is fixed to one end of a flexible flat cable (25); the other end of the flexible flat cable (25) extends into the second cover body (3) through the internal channel of the plastic sleeve (12) and is electrically connected with the circuit board (31).

5. Traffic earphone capable of reducing noise according to claim 1, characterized in that the first cover (2) comprises a first upper cover (22) and a first lower cover (23) which are detachably connected, an arc-shaped supporting pad (24) is formed on the first lower cover (23), and the bone conduction chip (21) is attached to the inner side of the supporting pad (24).

6. A noise-reducing traffic earphone according to claim 1, characterized in that the second cover body (3) comprises a second upper cover (32) and a second lower cover (33) which are detachably connected, the inner side of the second lower cover (33) is connected with the ear shell (4), and the outer bottom of the second lower cover (33) is rotatably connected with the wheat straw (5).

7. The telephone traffic earphone capable of reducing noise according to claim 6, wherein the second cover body (3) is further provided with a battery (34), a power on/off button (35) and a volume button (36) which are respectively electrically connected with the circuit board (31); and the second lower cover (33) is provided with a key hole, so that the pressing surfaces of the startup and shutdown key (35) and the volume key (36) are exposed outside.

8. The noise-reducing telephone traffic earphone according to claim 1, wherein the wheat straw (5) comprises a third upper cover (52) and a third lower cover (53) which are detachably connected, an on-hook button (54) is further arranged in the wheat straw (5), and a button hole is formed in the third lower cover (53), so that a pressing surface of the on-hook button (54) is exposed to the outside.

9. A traffic headset capable of reducing noise according to claim 1, characterized in that the ear shell (4) is also sleeved with an earmuff (6).

10. A traffic earphone capable of reducing noise according to claim 1, wherein the first cover body (2) and the second cover body (3) are respectively fastened and connected with the headband (1) through screws.