CN212785746U

CN212785746U - Noise reduction microphone head

Info

Publication number: CN212785746U
Application number: CN202021788108.9U
Authority: CN
Inventors: 赖榕弟
Original assignee: Shenzhen Rongchuang Technology Co ltd
Current assignee: Shenzhen Rongchuang Technology Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-03-23
Anticipated expiration: 2030-08-24

Abstract

The utility model relates to a miaow head technical field discloses a microphone miaow head of making an uproar falls, including the drain pan, the upper cover, button shell, the circuit board, rechargeable battery, the microphone of making an uproar falls in the initiative, button and the interface that charges, the upper end setting of drain pan is located to upper cover detachable lid, button shell can be movable from top to bottom establish on the upper end wall of upper cover, the equal detachable setting of circuit board and rechargeable battery is in the drain pan, the microphone of making an uproar falls in the initiative is provided with four, the microphone setting of making an uproar falls in the initiative is on the upper end wall of circuit board, the concave a plurality of sound holes of advancing that are equipped with of outer peripheral edge of the upper end wall of upper cover, the button sets up the centre at. The technical scheme of the utility model can the microphone miaow head convenient assembling swiftly, improved efficiency, and firm reliable, improved the stable performance and the shock resistance performance of microphone miaow head for voice conversation is more clear.

Description

Noise reduction microphone head

Technical Field

The utility model relates to a miaow head technical field, in particular to microphone miaow head of making an uproar falls.

Background

Microphone heads are energy conversion devices that convert sound signals into electrical signals, and are classified into moving coil type, condenser type, electret, and recently emerging silicon micro microphones, as well as liquid microphones and laser microphones. Most microphones are electret condenser microphones which operate on the principle of using a diaphragm of polymeric material with permanent charge isolation.

However, the existing microphone head has the problems of complex assembly, low efficiency, unsatisfactory anti-seismic performance and easy influence on the performance stability of the microphone, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a microphone miaow head of making an uproar falls, it is complicated, the inefficiency to aim at solving current microphone miaow head assembly, and anti-seismic performance ideal inadequately, influences the technical problem of the stable performance of microphone easily.

In order to achieve the above object, the noise reduction microphone head provided by the present invention comprises a bottom shell, an upper cover, a button housing, a circuit board, and a rechargeable battery, an active noise reduction microphone, a button and a charging interface electrically connected to the circuit board, wherein the bottom shell and the upper cover are all arranged in a cylindrical structure, the upper cover is detachably covered on the upper end of the bottom shell, the button housing is movably arranged on the upper end wall of the upper cover, the circuit board and the rechargeable battery are detachably arranged in the bottom shell, the circuit board is arranged above the rechargeable battery, the active noise reduction microphone is provided with four pieces, the active noise reduction microphone is respectively and uniformly arranged on the upper end wall of the circuit board along the circumferential direction, the outer periphery of the upper end wall of the upper cover is uniformly and concavely provided with a plurality of sound inlet holes along the circumferential direction, the active noise reduction microphone is respectively arranged below the sound inlet hole, the key is arranged in the middle of the upper end wall of the circuit board, the lower bottom wall of the key shell can be abutted against the key, and the charging interface is arranged on the peripheral wall of the upper cover.

Further, still include LED status indicator, the key casing adopts non-light tight ya keli material to form, LED status indicator is respectively along the even setting of circumferencial direction on the upper end wall of circuit board, LED status indicator all is located the below setting of key casing, just LED status indicator all with the circuit board electricity is connected.

Further, still include the silica gel sleeve, the upper end of drain pan is equipped with a plurality of first spliced poles along the even protruding of circumferencial direction, the protruding interior roof of upper cover be equipped with a plurality of with the second spliced pole of first spliced pole one-to-one, the silica gel sleeve sets up respectively the upper end of first spliced pole, the concave a plurality of convex recesses that are equipped with of outer peripheral edge of circuit board, the concave draw-in groove that is equipped with of silica gel sleeve's periphery wall, the medial border detachable card respectively of convex recess is located set up in the draw-in groove, the upper end of first spliced pole is concave a through-hole that is equipped with respectively, the lower tip of second spliced pole wears to locate respectively the silica gel sleeve to detachable inserts and locates the upper end setting of through-hole.

Furthermore, the connecting structure further comprises a fastening screw, the lower end parts of the through hole and the second connecting column are respectively provided with internal threads which are communicated with each other, and the fastening screw is sequentially screwed on the internal threads of the through hole and the second connecting column.

Further, still include the silica gel packing ring, the silica gel packing ring is located through glue detachable lid on the lower diapire of drain pan, just the closed lid of silica gel packing ring is located the lower tip setting of through-hole.

Furthermore, an accommodating groove is concavely arranged at the inner bottom of the bottom shell, and the rechargeable battery is detachably embedded in the accommodating groove.

Furthermore, the peripheral wall of the upper cover is provided with a wire inlet.

Further, the rechargeable battery is a lithium polymer battery.

Furthermore, the charging interface adopts a Micro-USB interface.

Adopt the technical scheme of the utility model, following beneficial effect has: the technical proposal of the utility model is that the upper end of the bottom shell is covered by the detachable upper cover, the key shell can be movably arranged on the upper end wall of the upper cover up and down, the circuit board and the rechargeable battery are arranged in the bottom shell in a detachable way, the circuit board is arranged above the rechargeable battery, four active noise reduction microphones are arranged, the active noise reduction microphones are respectively and uniformly arranged on the upper end wall of the circuit board along the circumferential direction, the outer peripheral edge of the upper end wall of the upper cover is uniformly concave with a plurality of sound inlet holes along the circumferential direction, the active noise reduction microphones are respectively arranged below the sound inlet holes, the key is arranged in the middle of the upper end wall of the circuit board, the lower bottom wall of the key shell can be abutted against the key, the charging port is arranged on the peripheral wall of the upper cover, so that the microphone head is convenient and fast to assemble, the efficiency is improved, the operation is simple, difficult not hard up has improved the stability performance of microphone miaow head, has improved the shock resistance performance of microphone miaow head through silica gel sleeve and silica gel packing ring, through four microphones of falling of initiatively making an uproar that embed, can reduce external noise by a wide margin for the speech dialogue is more clear, and the accurate communication content that conveys, and small in size, sensitivity is concentrated, and the signal-to-noise ratio is high, and the practicality is strong.

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 structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a noise reduction microphone head according to an embodiment of the present invention;

fig. 2 is a schematic view of an overall structure of a noise reduction microphone according to another view angle of an embodiment of the present invention;

fig. 3 is an exploded schematic view of a noise reduction microphone according to an embodiment of the present invention;

fig. 4 is another exploded schematic view of a noise reduction microphone according to an embodiment of the present invention;

fig. 5 is a schematic diagram of another exploded structure of a noise reduction microphone according to an embodiment of the present invention.

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

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a microphone miaow head of making an uproar falls.

As shown in fig. 1 to 5, in an embodiment of the present invention, the noise reduction microphone head includes a bottom shell 101, an upper cover 102, a button housing 103, a circuit board 104, and a rechargeable battery 105, an active noise reduction microphone 106, a button 107, and a charging interface 108 electrically connected to the circuit board 104, wherein the bottom shell 101 and the upper cover 102 are disposed in a cylindrical structure, the upper cover 102 is detachably covered on the upper end of the bottom shell 101, the button housing 103 is movably disposed on the upper end wall of the upper cover 102 up and down, the circuit board 104 and the rechargeable battery 105 are detachably disposed in the bottom shell 101, the circuit board 104 is disposed above the rechargeable battery 105, the active noise reduction microphones 106 are four, the active noise reduction microphones 106 are respectively disposed on the upper end wall of the circuit board 104 uniformly along the circumferential direction, a plurality of sound inlet holes 1021 are uniformly and concavely formed in the outer peripheral edge of the upper end wall of the upper cover 102 along the circumferential direction, the active noise reduction microphone 106 is respectively arranged below the sound inlet holes 1021, the key 107 is arranged in the middle of the upper end wall of the circuit board 104, the lower bottom wall of the key housing 103 can be abutted to the key 107, and the charging interface 108 is arranged on the outer peripheral wall of the upper cover 102.

In particular, the principle of the active noise reduction microphone 106 is that all sounds consist of a certain frequency spectrum, which is exactly the same as the noise to be cancelled if a sound can be found, but with exactly the opposite phase, the noise can be completely cancelled out.

Specifically, still include LED status indicator lamp 109, button housing 103 adopts non-light tight ya keli material to form, LED status indicator lamp 109 is respectively along the even setting of circumferencial direction on the upper end wall of circuit board 104, LED status indicator lamp 109 all is located the below setting of button housing 103, just LED status indicator lamp 109 all with circuit board 104 electricity is connected.

Specifically, the device further comprises a silicone sleeve 110, a plurality of first connecting posts 1011 are uniformly and convexly arranged on the upper end of the bottom shell 101 along the circumferential direction, a plurality of second connecting posts 1022 corresponding to the first connecting posts 1011 in a one-to-one manner are convexly arranged on the inner top wall of the upper cover 102, the silicone sleeves 110 are respectively disposed at the upper end of the first connecting columns 1011, a plurality of arc-shaped grooves 1041 are concavely disposed on the outer periphery of the circuit board 104, the outer peripheral wall of the silicone sleeve 110 is concavely provided with a clamping groove 1101, the inner edges of the circular arc-shaped grooves 1041 are respectively detachably clamped in the clamping groove 1101, the upper end of the first connecting column 1011 is recessed with a through hole 1012, the lower end of the second connecting column 1022 is inserted into the silicone sleeve 110, and the detachable inserts and locates the upper end setting of through-hole 1012 plays the absorbing effect, has improved the shock resistance performance of microphone miaow head.

Specifically, the fastening screw (not shown) is further included, the through hole 1012 and the lower end portion of the second connecting column 1022 are respectively provided with internal threads (not shown) which are communicated with each other, and the fastening screw is sequentially screwed on the internal threads of the through hole 1012 and the second connecting column 1022.

Specifically, still include silicone gasket 111, silicone gasket 111 passes through glue detachable lid and locates on the lower diapire of drain pan 101, just the lid that silicone gasket 111 seals is located the lower tip setting of through-hole 1012 has improved the shockproof performance of microphone miaow head.

Specifically, the bottom of the bottom case 101 is recessed with a receiving cavity 1013, and the rechargeable battery 105 is detachably embedded in the receiving cavity 1013.

Specifically, the peripheral wall of the upper cover 102 is provided with a wire inlet 1023.

Specifically, the rechargeable battery 105 employs a lithium polymer battery.

Specifically, the charging interface 108 adopts a Micro-USB interface.

Specifically, the utility model is arranged at the upper end of the bottom shell through the detachable cover of the upper cover, the key shell can be movably arranged up and down on the upper end wall of the upper cover, the circuit board and the rechargeable battery are arranged in the bottom shell in a detachable way, four active noise reduction microphones are arranged, the active noise reduction microphones are respectively and uniformly arranged on the upper end wall of the circuit board along the circumferential direction, the outer periphery of the upper end wall of the upper cover is uniformly and concavely provided with a plurality of sound inlet holes along the circumferential direction, the active noise reduction microphones are respectively arranged below the sound inlet holes, the key is arranged in the middle of the upper end wall of the circuit board, the lower bottom wall of the key shell can be abutted against the key, the charging interface is arranged on the outer peripheral wall of the upper cover, so that the microphone head is convenient and rapid to assemble, the efficiency is improved, the operation is simple, firm and reliable, the looseness is not easy, and, the anti-vibration performance of the microphone head is improved through the silica gel sleeve and the silica gel gasket, the four active noise reduction microphones are arranged in the microphone head, external noise can be greatly reduced, voice conversation is clearer, communication contents are accurately transmitted, the microphone head is small in size, sensitivity is concentrated, signal-to-noise ratio is high, and practicability is high.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A noise reduction microphone head is characterized by comprising a bottom shell, an upper cover, a key shell, a circuit board, a rechargeable battery, an active noise reduction microphone, a key and a charging interface, wherein the rechargeable battery, the active noise reduction microphone, the key and the charging interface are respectively and electrically connected with the circuit board, the shapes of the bottom shell and the upper cover are respectively arranged in a cylindrical structure, the upper cover is detachably covered on the upper end part of the bottom shell, the key shell can be movably arranged on the upper end wall of the upper cover up and down, the circuit board and the rechargeable battery are detachably arranged in the bottom shell, the circuit board is arranged above the rechargeable battery, the active noise reduction microphone is provided with four microphones, the active noise reduction microphones are respectively and uniformly arranged on the upper end wall of the circuit board along the circumferential direction, the outer peripheral edge of the upper end wall of the upper cover is uniformly and concavely provided with a plurality of sound inlet holes along the, the active noise reduction microphone is respectively arranged below the sound inlet hole, the key is arranged in the middle of the upper end wall of the circuit board, the lower bottom wall of the key shell can be abutted against the key, and the charging interface is arranged on the peripheral wall of the upper cover.

2. The noise reduction microphone head according to claim 1, further comprising LED status indicators, wherein the button housing is made of a transparent acrylic material, the LED status indicators are respectively and uniformly disposed on the upper end wall of the circuit board along the circumferential direction, the LED status indicators are disposed below the button housing, and the LED status indicators are electrically connected to the circuit board.

3. The noise reduction microphone head according to claim 1, further comprising a silicone sleeve, wherein a plurality of first connection posts are uniformly and convexly arranged at the upper end of the bottom shell along a circumferential direction, a plurality of second connection posts corresponding to the first connection posts one to one are convexly arranged on an inner top wall of the upper cover, the silicone sleeve is respectively arranged at the upper end of the first connection posts, a plurality of arc-shaped grooves are concavely arranged on an outer peripheral edge of the circuit board, a clamping groove is concavely arranged on an outer peripheral wall of the silicone sleeve, inner edges of the arc-shaped grooves are respectively detachably clamped in the clamping groove, a through hole is respectively concavely arranged at the upper end of each first connection post, and the lower end of each second connection post is respectively inserted into the silicone sleeve and detachably inserted into the upper end of the through hole.

4. The noise reduction microphone head according to claim 3, further comprising a fastening screw, wherein the through hole and the lower end portion of the second connection post are respectively provided with internal threads communicated with each other, and the fastening screw is sequentially screwed on the through hole and the internal threads of the second connection post.

5. The noise reduction microphone head according to claim 3, further comprising a silicone gasket detachably covered on the lower bottom wall of the bottom housing by glue, wherein a closed cover of the silicone gasket is disposed at a lower end of the through hole.

6. The noise reduction microphone head as defined in claim 1, wherein a receiving groove is recessed in the bottom of the bottom housing, and the rechargeable battery is detachably inserted into the receiving groove.

7. The noise-reducing microphone head as claimed in claim 1, wherein the peripheral wall of the upper cover is provided with a wire inlet.

8. The noise reducing microphone head according to claim 1, wherein the rechargeable battery is a lithium polymer battery.

9. The noise reduction microphone head according to claim 1, wherein the charging interface is a Micro-USB interface.