CN214481156U

CN214481156U - Howling-preventing unidirectional audio head assembly and head-mounted microphone

Info

Publication number: CN214481156U
Application number: CN202121024554.7U
Authority: CN
Inventors: 杨志豪; 吴艳平; 张军
Original assignee: Guangdong Takstar Electronic Co ltd
Current assignee: Guangdong Takstar Electronic Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-10-22
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses a prevent single directive property audio head subassembly and head-mounted microphone of whistling. The unidirectional sound head component comprises a sound head seat, a sound head and a sound head seat cover; the sound head is arranged in the sound head seat, and the sound head seat cover is buckled at the front end of the sound head seat; the sound head seat and the sound head seat cover are respectively provided with a first single-direction hole and a second single-direction hole, so that the sound head component has a single sound pickup direction, and can effectively avoid the same direction with the direction of a loudspeaker or a loudspeaker, thereby effectively avoiding the situation that the head microphone has squeaking when being applied to the head microphone. The utility model discloses a prevent wearing microphone of whistling based on prevent the unidirectional directivity sound head subassembly of whistling, effectively avoided the unidirectional of sound head and the directional syntropy of loudspeaker or megaphone to effectively reduce the problem that the microphone appears whistling of wearing.

Description

Howling-preventing unidirectional audio head assembly and head-mounted microphone

Technical Field

The utility model relates to a microphone technical field, concretely relates to prevent unidirectional audio head subassembly and head-mounted microphone of whistling.

Background

The head microphone is directly worn on the head of a user when in use, and in the process of talkbacking, the user can move and change different positions at will without constantly keeping the head in a fixed state, so that the head and neck are liberated, various head and neck discomfort conditions caused by long-term use are avoided, the use is convenient, the randomness is strong, and the wide application is realized in various audio transmission fields.

However, because of the problem of the directivity of the sound head of the conventional loudspeaker head microphone, when the sound head (microphone) and the loudspeaker (loudspeaker box or loudspeaker) are integrated or close to each other, the sound input from the sound head is amplified by the loudspeaker and then passes through the shell to the sound head, and then the sound head inputs and amplifies the sound again and amplifies the sound repeatedly, so that the defects of howling, noise and the like easily occur, and the use experience of a user is uncomfortable or seriously affected.

SUMMERY OF THE UTILITY MODEL

For solving current head microphone and leading to the problem of the easy whistle appearing owing to the directional design of duration of a day is not enough, the utility model provides a prevent single directive property audio head subassembly of whistle, this single directive property audio head subassembly can effectively reduce the phenomenon of whistle appearing in the head microphone.

Another object of the present invention is to provide a head microphone for preventing squealing, which is based on the above-mentioned single directional speaker head assembly for preventing squealing, and can effectively overcome the squealing problem.

The purpose of the utility model is realized through the following technical scheme.

A single-directional sound head assembly for preventing squeaking comprises a sound head seat, a sound head and a sound head seat cover;

the sound head is arranged in the sound head seat, and the sound head seat cover is buckled at the front end of the sound head seat; the sound head seat is provided with a first single-direction hole, and the sound head seat cover is provided with a second single-direction hole.

In a preferred embodiment, the first uni-directional hole includes a side through hole and a rear through hole; the side through hole is formed in the side wall of the sound head seat, the rear through hole is formed in the rear end of the sound head seat, and the side through hole and the rear through hole are communicated with the inner cavity of the sound head seat.

In a more preferred embodiment, the axial direction of the side through hole is along the front-back direction, and the side through hole is communicated with the inner cavity of the sound head seat along the radial direction.

In a more preferred embodiment, the side through holes are plural, and the plural side through holes are arranged along a circumferential direction of the sound head seat.

In a more preferred embodiment, the rear through holes are multiple, and the multiple rear through holes are uniformly arranged.

In a preferred embodiment, the second unidirectional hole is formed in the cover surface of the sound head seat cover along the front-back direction and is communicated with the inner cavity of the sound head seat.

In a preferred embodiment, the second unidirectional holes are a plurality of holes, and the plurality of second unidirectional holes are uniformly arranged.

In a preferred embodiment, dustproof cotton is arranged between the sound head seat cover and the sound head.

A head microphone for preventing whistling comprises a head wearing bow, an adjusting seat and a sound head component; the adjusting seat is connected to the end part of the head-wearing bow, and the sound head assembly is connected with the adjusting seat through a microphone tube and a sound head wire; a PCBA board and a battery are arranged in the adjusting seat, and an adjusting key is arranged on the adjusting seat;

the voice head assembly is the anti-howling unidirectional voice head assembly.

In a preferred embodiment, in the sound head assembly, a windproof cotton is arranged at the front end of the sound head seat cover.

Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:

the utility model discloses an among the unidirectional audio head subassembly of preventing whistling, the audio head seat and the audio head seat that constitute the audio head base jointly cover and all seted up unidirectional hole, and the unidirectional hole that sets up is seted up along the fore-and-aft direction, make this audio head subassembly have single pickup directional, can effectively avoid with the directional syntropy of loudspeaker or megaphone to can effectively avoid the condition of whistling to appear in the head-mounted microphone when being applied to the head-mounted microphone.

The utility model discloses a prevent wearing microphone of whistling based on prevent the unidirectional directivity sound head subassembly of whistling, effectively avoided the unidirectional of sound head and the directional syntropy of loudspeaker or megaphone to effectively reduce the problem that the microphone appears whistling of wearing.

Drawings

Fig. 1 is a schematic perspective view of a howling preventing unidirectional audio head assembly according to an embodiment of the present invention;

fig. 2 is a schematic rear view of the unidirectional audio head assembly for preventing howling according to the embodiment of the present invention;

fig. 3 is a schematic front view of a unidirectional audio head assembly for preventing howling according to an embodiment of the present invention;

fig. 4 is a schematic view of an assembly structure of the whistle-preventing unidirectional sound head assembly of the present invention according to the embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a base of the anti-howling unidirectional sound head assembly according to an embodiment of the present invention;

fig. 6 is a schematic view of an assembly structure of the howling preventing headset according to the present invention in the embodiment;

the attached drawings are marked as follows: 1-sound head component, 101-sound head seat, 1011-first single-direction hole, 1011 a-side through hole, 1011 b-rear through hole, 102-sound head, 103-sound head seat cover, 1031-second single-direction hole, 104-dustproof cotton, 2-wearing head bow, 3-head bow sleeve, 4-face cover, 5-M button, 6-PCBA board, 7-volume button, 8-battery, 9-power switch key, 10-microphone tube, 11-sound head line, 12-lower shell, 13-left head bow fixing seat, 14-ear sticking sponge, 15-right head bow fixing seat, 16-head bow fixing seat cover and 17-windproof cotton.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the following specific embodiments and accompanying drawings, but the scope of protection and the implementation of the present invention are not limited thereto.

In the description of the specific embodiments, it should be noted that the terms "front" and "back" and the like refer to the orientation or position relationship shown in the drawings or the orientation or position relationship that the product is usually placed when in use, and are used only for distinguishing the description, and are only used for convenience of description and simplification of description, but do not refer to or imply that the structure or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be taken as limiting the invention, nor should it be taken as indicating or implying relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The utility model discloses a prevent unidirectional directivity sound head subassembly 1 of squeaking, see fig. 1-5 and show, including sound head seat 101, sound head 102 and sound head seat lid 103. The sound head seat 101 has a cavity therein, and the sound head 102 is disposed in the sound head seat 101; the sound head seat cover 103 is fastened to the front end of the sound head seat 101, and forms a sound head base of the integral sound head assembly with the sound head seat 101.

Referring to fig. 1 to 5, a first uni-directional hole 1011 is formed on the sound head seat 101, and a second uni-directional hole 1031 is formed on the sound head seat cover 103. The first uni-directional hole 1011 and the second uni-directional hole 1031 both have the same direction and are both connected to the inner cavity of the sound head holder 101, so that the sound head assembly has a single sound pickup direction.

Specifically, the first unidirectional hole 1011 includes a side through hole 1011a and a rear through hole 1011 b. The side through hole 1011a is formed in the side wall of the sound head seat 101, the rear through hole 1011b is formed in the rear end of the sound head seat 101, and both the side through hole 1011a and the rear through hole 1011b are communicated with the inner cavity of the sound head seat 101.

In a preferred embodiment, as a mesh for sound-transmitting action of sound pickup, the side through holes 1011a are plural, and the plural side through holes 1011a are arranged along the circumferential direction of the sound head base 101; correspondingly, the rear through holes 1011b are plural, and the plural rear through holes 1011b are uniformly distributed at the rear end of the sound head base 101. Thus, unidirectional pick-up is achieved while sound transmission is ensured.

In the specific embodiment shown in fig. 1 to 5, the axial direction of the side through hole 1011a is along the front-back direction, and the side through hole 1011a is communicated with the inner cavity of the sound head seat 101 along the radial direction. Further, the rear through hole 1011b is also a through hole in the front-rear direction in the axial direction. Thus, the first unidirectional hole 1011 has a single directivity in the front-rear direction.

Referring to fig. 1 to 5 again, the second uni-directional hole 1031 is formed in the cover surface of the sound head seat cover 103 along the front-back direction and is communicated with the inner cavity of the sound head seat 101; also, the second unidirectional hole 1031 corresponds to the first unidirectional hole 1011. The sound head seat cover 103 is disposed at the front end of the sound head seat 101, and the second uni-directional hole 1031 is axially opened in the front-rear direction on the end surface of the sound head seat cover 103, thereby ensuring that the second uni-directional hole 1031 has the same uni-directional directivity in the front-rear direction as the first uni-directional hole 1011.

In a preferred embodiment, the second unidirectional hole 1031 is plural, and the plural second unidirectional holes 1031 are uniformly distributed on the end surface of the sound head seat cover 1031.

When the sound head assembly is used for picking up sound, the sound head and the loudspeaker or the loudspeaker have different directions due to the single-direction action of the first single-direction hole 1011 and the second single-direction hole 1031, so that howling caused by repeated amplification between the sound head and the loudspeaker or the loudspeaker is effectively avoided.

Further, referring to fig. 1 to 5 again, in another preferred embodiment, a dustproof cotton 104 is disposed between the sound head seat cover 103 and the sound head 102, so as to protect the sound head 102 from dust and pollution, ensure the use sensitivity of the sound head 102, and prevent the sound head 102 from being polluted by dirt such as external dust and reducing the service life.

Example 1

The anti-howling head microphone of the present embodiment, please refer to fig. 6, includes a head-worn bow 2, an adjusting seat, and a sound head assembly 1. The sound head assembly 1 is the above-mentioned howling-preventing unidirectional sound head assembly.

Specifically, the head bow 2 is sleeved with a head bow sleeve 3 to improve the wearing comfort. The adjusting seat is connected to the end of the head-wearing bow 2, and the sound head component 1 is connected with the adjusting seat through a microphone tube 10 and a sound head line 11.

Referring to fig. 6 again, preferably, the adjusting base includes an adjusting base housing formed by a face cover 4 and a lower housing 12 that can be fastened to each other and form a cavity, and a PCBA board 6 and a battery 8 are disposed in the adjusting base housing, one end of the sound head wire 11 is specifically connected to the battery 8 and the PCBA board 6, the other end of the sound head wire 11 is specifically connected to a sound head 102 of the sound head assembly 1, and the microphone 10 is sleeved on the sound head wire 11 and two ends of the microphone are respectively connected to the adjusting base housing and the sound head base 101 of the sound head assembly 1. And, be provided with the adjusting button on adjusting the seat casing, including M button 5, volume button 7 and the switch key 9 of being connected with PCBA board 6 and battery 8, can realize carrying out the key adjustment control to volume and power switching. In addition, the connection end of the wearing head bow 2 and the adjusting seat is connected and assembled with the adjusting seat through the matching of the left head bow fixing seat 13, the right head bow fixing seat 15 and the head bow fixing seat cover 16.

Further, be provided with ear subsides sponge 14 in the nearly ear side of adjusting the seat, when wearing the microphone and using, ear subsides sponge 14 is direct to be pressed close to with the ear, improves use comfort, avoids adjusting discomfort such as seat to the scratch of ear.

In another preferred embodiment, in the sound head assembly 1, the windproof cotton 17 is arranged at the front end of the sound head seat cover 103, so that the sound pickup effectiveness is ensured, and meanwhile, the internal structure of the sound head assembly 1 can be protected from dust and pollution, and the service life of the head microphone is prolonged.

The above embodiments are merely preferred embodiments of the present invention, and are only intended to describe the technical solutions of the present invention in further detail, but the above descriptions are exemplary, not exhaustive, and not limited to the disclosed embodiments, the protection scope and implementation manner of the present invention are not limited thereto, and any changes, combinations, deletions, substitutions or modifications that do not depart from the spirit and principle of the present invention are all included in the protection scope of the present invention.

Claims

1. A single-directional sound head component for preventing squeaking is characterized by comprising a sound head seat, a sound head and a sound head seat cover;

2. The squeal-proof unidirectional horn assembly of claim 1 wherein the first unidirectional aperture comprises a side aperture and a rear aperture; the side through hole is formed in the side wall of the sound head seat, the rear through hole is formed in the rear end of the sound head seat, and the side through hole and the rear through hole are communicated with the inner cavity of the sound head seat.

3. The howling preventing unidirectional directivity sound head assembly according to claim 2, wherein the axial direction of the side through hole is along the front-back direction, and the side through hole is communicated with the inner cavity of the sound head seat along the radial direction.

4. The howling preventing unidirectional directivity sound head assembly according to claim 2 or 3, wherein the side through holes are plural, and the plural side through holes are arranged along a circumferential direction of the sound head base.

5. The howling preventing unidirectional directivity sound head assembly according to claim 2, wherein the number of the rear through holes is plural, and the plural rear through holes are uniformly arranged.

6. The howling preventing unidirectional sound head assembly according to claim 1, wherein the second unidirectional hole is formed in the cover surface of the sound head seat cover in the front-rear direction and is communicated with the inner cavity of the sound head seat.

7. The howling preventing unidirectional directivity sound head assembly according to claim 1 or 6, characterized in that the second unidirectional holes are plural and the plural second unidirectional holes are uniformly arranged.

8. The squeal-proof unidirectional sound head assembly of claim 1, wherein dust cotton is disposed between the sound head seat cover and the sound head.

9. A head microphone for preventing whistling is characterized by comprising a head wearing bow, an adjusting seat and a sound head component; the adjusting seat is connected to the end part of the head-wearing bow, and the sound head assembly is connected with the adjusting seat through a microphone tube and a sound head wire; a PCBA board and a battery are arranged in the adjusting seat, and an adjusting key is arranged on the adjusting seat;

the voice head assembly is the anti-howling unidirectional voice head assembly as claimed in any one of claims 1-8.

10. The howling prevention headset as claimed in claim 9, wherein a wind-proof cotton is provided at a front end of the sound head base cover in the sound head assembly.