CN213186489U

CN213186489U - Noise reduction loudspeaker

Info

Publication number: CN213186489U
Application number: CN202022200905.7U
Authority: CN
Inventors: 付晓锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-05-11
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a noise reduction loudspeaker, relate to the noise reduction earphone field, including loudspeaker unit, miniature microphone and noise reduction circuit board, loudspeaker unit includes the loudspeaker support, loudspeaker magnetic ring, vibrating diaphragm and apron, noise reduction circuit board fixed mounting is in the outside of loudspeaker support, loudspeaker magnetic ring and vibrating diaphragm are all installed in loudspeaker support, the apron covers and installs on loudspeaker support, loudspeaker magnetic ring and vibrating diaphragm set up between loudspeaker support and apron, the inboard shaping of apron has the constant head tank, miniature microphone clearance fit installs in the constant head tank, miniature microphone and loudspeaker magnetic ring correspond and noise reduction circuit board electric connection each other; the utility model has the advantages that: install miniature microphone in the inboard of apron, the apron covers the horn bracket setting, realizes hiding the effect of miniature microphone, has reduced the occupation space to falling the earphone of making an uproar for it is littleer to fall the volume of earphone of making an uproar, facilitates the use, has reduced the degree of difficulty of manufacturing process simultaneously, has improved the yields.

Description

Noise reduction loudspeaker

Technical Field

The utility model belongs to the technical field of the earphone of making an uproar falls and specifically relates to a loudspeaker of making an uproar falls is related to.

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.

Generally all adopt the microphone to discern external noise in the market, and the microphone generally sets up with loudspeaker separately each other, leads to causing the volume of making an uproar earphone of falling great, inconvenient carrying, has the problem that the production technology degree of difficulty is big, the defective products is more moreover.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.

The utility model provides a loudspeaker of making an uproar falls, including the loudspeaker unit, miniature microphone and the circuit board of making an uproar falls, the loudspeaker unit includes the horn bracket, the loudspeaker magnetoring, vibrating diaphragm and apron, it installs in the outside of horn bracket to fall circuit board fixed mounting of making an uproar, loudspeaker magnetoring and vibrating diaphragm are all installed in the horn bracket, the apron cover is installed on the horn bracket, loudspeaker magnetoring and vibrating diaphragm set up between horn bracket and apron, the inboard shaping of apron has the constant head tank, miniature microphone clearance fit installs in the constant head tank, miniature microphone and loudspeaker magnetoring correspond and fall circuit board electric connection each other of making an uproar.

As a further aspect of the present invention: the loudspeaker support is formed with a plurality of annular grooves which are arranged in a circular array, and the outer side of the loudspeaker support is pasted with a tuning paper which covers the annular grooves.

As a further aspect of the present invention: the middle part of the horn bracket is fixedly provided with a permanent magnet, and the horn magnetic ring is arranged on the outer side of the permanent magnet.

As a further aspect of the present invention: the noise reduction circuit board is arranged on the outer side of the permanent magnet.

As a further aspect of the present invention: the vibration diaphragm is in a disc shape, and the horn magnetic ring and the vibration diaphragm are arranged concentrically with each other.

As a further aspect of the present invention: the horn bracket is internally provided with a limit groove which is annularly arranged, and the edge of the cover plate is stuck and installed in the limit groove.

As a further aspect of the present invention: the cover plate is formed with a plurality of round holes which are evenly distributed.

As a further aspect of the present invention: the positioning groove is cylindrical and is coaxial with one of the round holes.

Compared with the prior art, the beneficial effects of the utility model are that: install miniature microphone in the inboard of apron, the apron covers the horn bracket setting, realizes hiding the effect of miniature microphone, has reduced the occupation space to falling the earphone of making an uproar for it is littleer to fall the volume of earphone of making an uproar, facilitates the use, has reduced the degree of difficulty of manufacturing process simultaneously, has improved the yields.

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

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 these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the hidden tuning paper of the present invention.

Fig. 3 is a schematic structural diagram of another view angle of the present invention.

Fig. 4 is a schematic structural diagram of the horn bracket of the present invention.

Fig. 5 is a schematic structural diagram of the cover plate of the present invention.

Fig. 6 is a front view structure diagram of the present invention.

Fig. 7 is a schematic sectional structure of the present invention.

Shown in the figure: 1. a horn unit; 2. a miniature microphone; 3. a noise reduction circuit board; 1-1, a horn bracket; 1-2, a horn magnetic ring; 1-3, vibrating a diaphragm; 1-4, a cover plate; 4. positioning a groove; 5. an annular groove; 6. tone tuning paper; 7. a permanent magnet; 8. a limiting groove; 9. a circular hole.

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. 1-7, a noise reduction speaker includes a speaker unit 1, a micro microphone 2 and a noise reduction circuit board 3, the speaker unit 1 includes a speaker support 1-1, the loudspeaker comprises a loudspeaker magnetic ring 1-2, a vibrating diaphragm 1-3 and a cover plate 1-4, wherein a noise reduction circuit board 3 is fixedly arranged on the outer side of a loudspeaker support 1-1, the loudspeaker magnetic ring 1-2 and the vibrating diaphragm 1-3 are both arranged in the loudspeaker support 1-1, the cover plate 1-4 is covered and arranged on the loudspeaker support 1-1, the loudspeaker magnetic ring 1-2 and the vibrating diaphragm 1-3 are arranged between the loudspeaker support 1-1 and the cover plate 1-4, a positioning groove 4 is formed in the inner side of the cover plate 1-4, a miniature microphone 2 is arranged in the positioning groove 4 in a clearance fit manner, and the miniature microphone 2 and the loudspeaker magnetic ring 1-2 are correspondingly and electrically connected with the noise reduction circuit board 3; the principle is as follows: the miniature microphone 2 is arranged on the inner side of the cover plate 1-4, the cover plate 1-4 covers the horn bracket 1-1, the effect of hiding the miniature microphone 2 is achieved, the occupied space of the noise reduction earphone is reduced, the size of the noise reduction earphone is smaller, the noise reduction earphone is convenient to use, the difficulty of the manufacturing process is reduced, and the yield is improved.

As a further aspect of the present invention: a plurality of circular array-arranged annular grooves 5 are formed in the horn bracket 1-1, tuning paper 6 is pasted and installed on the outer side of the horn bracket 1-1, and the annular grooves 5 are covered by the tuning paper 6; the loudspeaker magnetic ring 1-2 is electrified, the loudspeaker magnetic ring 1-2 makes a sound through the vibrating diaphragm 1-3 so as to achieve the effect of the loudspeaker, and the annular groove 5 and the tuning paper 6 are arranged so that the sound effect of the loudspeaker can be effectively improved.

As a further aspect of the present invention: the middle part of the horn bracket 1-1 is fixedly provided with a permanent magnet 7, and the horn magnetic ring 1-2 is arranged on the outer side of the permanent magnet 7; the loudspeaker magnetic ring 1-2 after being electrified is matched with the vibrating diaphragm 1-3 under the stress of the permanent magnet 7 to realize the effect of making sound.

As a further aspect of the present invention: the noise reduction circuit board 3 is arranged on the outer side of the permanent magnet 7; the occupied space of the noise reduction circuit board 3 can be reduced.

As a further aspect of the present invention: the vibration diaphragm 1-3 is in a disc shape, and the horn magnetic ring 1-2 and the vibration diaphragm 1-3 are arranged concentrically with each other; so that the vibration sound effect generated when the loudspeaker magnetic ring 1-2 is electrified is better.

As a further aspect of the present invention: a limit groove 8 which is annularly arranged is formed in the horn bracket 1-1, and the edge of the cover plate 1-4 is stuck and installed in the limit groove 8; so that the mounting of the cover plates 1-4 is more stable.

As a further aspect of the present invention: a plurality of round holes 9 which are uniformly distributed are formed on the cover plates 1-4; so that the cover plate 1-4 does not shield the sound emitted by the horn.

As a further aspect of the present invention: the positioning groove 4 is cylindrical, and the positioning groove 4 and one of the round holes 9 are coaxially arranged; the micro microphone 2 recognizes external sounds through the circular hole 9.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a loudspeaker of making an uproar falls, includes loudspeaker unit, miniature microphone and falls the circuit board of making an uproar, its characterized in that: the loudspeaker unit includes the loudspeaker support, the loudspeaker magnetosphere, vibrating diaphragm and apron, circuit board fixed mounting falls makes an uproar in the outside of loudspeaker support, loudspeaker magnetosphere and vibrating diaphragm are all installed in the loudspeaker support, the apron covers and installs on the loudspeaker support, loudspeaker magnetosphere and vibrating diaphragm set up between loudspeaker support and apron, the inboard shaping of apron has the constant head tank, miniature microphone clearance fit installs in the constant head tank, miniature microphone and loudspeaker magnetosphere correspond and fall the circuit board electric connection each other of making an uproar.

2. A noise reducing horn according to claim 1 wherein: the loudspeaker support is formed with a plurality of annular grooves which are arranged in a circular array, and the outer side of the loudspeaker support is pasted with a tuning paper which covers the annular grooves.

3. A noise reducing horn according to claim 1 wherein: the middle part of the horn bracket is fixedly provided with a permanent magnet, and the horn magnetic ring is arranged on the outer side of the permanent magnet.

4. A noise reducing horn according to claim 3 wherein: the noise reduction circuit board is arranged on the outer side of the permanent magnet.

5. A noise reducing horn according to claim 1 wherein: the vibration diaphragm is in a disc shape, and the horn magnetic ring and the vibration diaphragm are arranged concentrically with each other.

6. A noise reducing horn according to claim 1 wherein: the horn bracket is internally provided with a limit groove which is annularly arranged, and the edge of the cover plate is stuck and installed in the limit groove.

7. A noise reducing horn according to claim 1 wherein: the cover plate is formed with a plurality of round holes which are evenly distributed.

8. A noise reducing horn according to claim 7 wherein: the positioning groove is cylindrical and is coaxial with one of the round holes.