CN220292146U - MIC device of seal structure - Google Patents

Abstract

The utility model discloses an MIC device with a sealing structure, which comprises an MIC chip board, a main control board, a box body, a cover plate and a power supply assembly, wherein the box body comprises an outer frame cover and a rear cover, a plurality of square holes are formed in the position, close to the top edge, of the outer frame cover, a plurality of square MIC devices corresponding to the positions of the square holes are formed in the MIC chip board, pickup holes are formed in the square MIC devices, an MIC silica gel sleeve is sleeved on each square MIC device, a small hole corresponding to the pickup holes is formed in the MIC silica gel sleeve, the MIC silica gel sleeve is clamped in the square holes after being sleeved on the square MIC devices, and the power supply assembly is arranged on the back of the cover plate, penetrates through a power supply contact pin on the power supply assembly and is then covered on the main control board. According to the utility model, the MIC silica gel sleeve is sleeved on the square MIC device and is clamped in the square hole in an interference manner, so that the tightness of the MIC silica gel sleeve is ensured, the MIC device can only pick up sound and can only pass through the pick-up hole and the small hole, and the seal sleeve is filled in an interference manner, so that the sound leakage can be reduced.

Description

MIC device of seal structure

Technical Field

The utility model relates to the technical field of MIC equipment, in particular to a MIC device with a sealing structure.

Background

In some devices or devices containing MIC structures, the MIC is often directly exposed or embedded but not provided with a sealing protection structure, which results in that the MIC device is extremely damaged in pick-up hole positions under poor use environments, such as humid environments, environments with large dust amount, and the like. For different MIC devices, the structure is different, the installation mode of MIC devices is also different, the poor sealing effect also can lead to sound leakage, and the phenomenon of poor sound transmission effect occurs. A better sealing installation mode greatly prolongs the service life of the MIC device and reduces the possibility of sound leakage.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, an object of the present utility model is to provide a MIC device with a sealing structure, which solves the problems of low service life, sound leakage, etc. caused by poor sealing performance of MIC devices after installation.

The utility model provides an MIC device with a sealing structure, which comprises an MIC chip board, a main control board, a box body, a cover plate and a power supply assembly, wherein the box body comprises an outer frame cover and a rear cover, the rear cover is clamped at the bottom of the outer frame cover, a plurality of square holes are formed in the position, close to the top edge, of the outer frame cover, a plurality of square MIC devices corresponding to the square holes are formed in the MIC chip board, pickup holes are formed in the square MIC devices, an MIC silica gel sleeve is sleeved on each square MIC device, a small hole corresponding to the pickup holes is formed in the MIC silica gel sleeve, the MIC silica gel sleeve is clamped in the square holes after sleeved on the square MIC devices, the main control board is arranged in the outer frame cover below the MIC chip board, the power supply assembly is arranged at the back of the rear cover and is connected to the main control board after power supply pins on the power supply assembly penetrate through the rear cover, a plurality of sound outlet holes corresponding to the square holes are formed in the cover, and the cover covers the upper surface of the outer frame cover.

In some embodiments of the present utility model, the power supply component is a sealed battery box and a battery, the battery box cover seals the battery in the battery box through bolts, and the power supply pin row is arranged on the box cover.

In other embodiments of the present utility model, a protective sleeve is disposed around the power supply pin row, a pin hole is disposed on the rear cover, a connecting sleeve is disposed around the pin hole on the rear cover back surface, and the connecting sleeve is inserted in the protective sleeve in an interference manner.

In other embodiments of the present utility model, a clamping edge is provided on a periphery of the upper surface of the rear cover, which is close to the edge, and the clamping edge is clamped on the inner side wall of the outer frame cover in an interference manner.

In other embodiments of the present utility model, the MIC chip plate is provided with a plurality of bolt holes, and the MIC chip plate is fixed to the outer frame cover by bolts passing through the bolt holes.

In other embodiments of the present utility model, the master control board is a PCBA board.

In other embodiments of the present utility model, after the power supply assembly is mounted to the rear cover below the case, the case and the power supply assembly are covered with a rubber sleeve and the upper surface of the case is exposed.

According to the utility model, the MIC silica gel sleeve is sleeved on the square MIC device and is clamped in the square hole in an interference manner, so that the tightness of the MIC silica gel sleeve is ensured, the MIC device can only pick up sound and can only pass through the pick-up hole and the small hole, the interference filling of the sealing sleeve can reduce sound leakage, the sealing effect is better, the box body has tightness, dust and water vapor cannot enter, and the safety of the MIC chip board and the main control board is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic structural diagram of a MIC device with a sealing structure according to the present utility model.

Fig. 2 is a schematic structural diagram of an MIC chip board and an MIC silica gel sleeve according to the present utility model.

Fig. 3 is a schematic structural diagram of the outer frame cover and the cover plate according to the present utility model.

Fig. 4 is a schematic structural diagram of a connection position of a power supply pin according to the present utility model.

In the figure: 1. a power supply assembly; 11. a power supply pin; 111. a protective sleeve; 2. a rear cover; 20. clamping edges; 21. pin holes; 22. connecting sleeves; 3. MIC chip board; 30. a bolt; 31. square MIC devices; 311. a sound pick-up hole; 32. bolt holes; 33. MIC silica gel sleeve; 331. a small hole; 4. a main control board; 5. an outer frame cover; 51. square holes; 6. a cover plate; 61. and a sound outlet hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Referring to fig. 1-4, a sealing structure's MIC device, including MIC chip board 3, main control board 4, box body, apron 6 and power module 1, the box body includes frame cover 5 and back lid 2, back lid 2 card is in the bottom of frame cover 5, frame cover 5 is close to top border position and is equipped with a plurality of square holes 51, be equipped with a plurality of square MIC devices 31 that correspond with square hole 51 position on the MIC chip board 3, be equipped with pickup hole 311 on the square MIC device 31, every square MIC device 31 is last to be overlapped with a MIC silica gel cover 33, be equipped with a aperture 331 that corresponds with pickup hole 311 on the MIC silica gel cover 33, the MIC silica gel cover 33 cover will block in square hole 51 after being equipped with square MIC device 31, main control board 4 installs in the frame cover 5 of MIC chip board 3 below, power module 1 installs at the back lid 2 back and runs through back lid 2 and connects on main control board 4 with power module 1 power supply contact pin 11, be equipped with a plurality of covers on the apron 6 and correspond with pickup hole 311 on the surface of the apron 5.

MIC chip board 3 and main control board 4 separately install, set up MIC chip board 3 mounted position on frame cover 5, and square MIC device 31 sheathes in MIC silica gel cover 33, and the interference card is in square hole 51, guarantees the leakproofness of MIC silica gel cover 33 for MIC device 31 can only pass through pickup hole 311, aperture 331 and spread out, and the seal cover interference is filled and can be reduced the sound and reveal, and sealed effect is better.

And the MIC chip board 3 and the main control board 4 are sealed in the box body, so that the sealing safety of the boards is ensured.

The power supply assembly 1 is a sealed battery box and a battery, the battery is sealed in the battery box through bolts by the box cover of the battery box, and the box cover is provided with a power supply contact pin 11 row.

The power supply assembly 1 is also in a sealing condition, and cannot leak electricity and enter water and ash.

The power supply contact pin 11 row is equipped with protective sheath 111 a week, be equipped with contact pin hole 21 on the back lid 2, the back lid 2 is equipped with adapter sleeve 22 along contact pin hole 21 a week, adapter sleeve 22 interference insert in protective sheath 111.

The connecting sleeve 22 is inserted into the protective sleeve 111 in an interference manner at the connecting position, so that the tightness of the connecting position is ensured, and the box body is prevented from being in a non-sealing state.

The periphery of the upper surface of the rear cover 2, which is close to the edge, is provided with a clamping edge 20, and the clamping edge 20 is clamped on the inner side wall of the outer frame cover 5 in an interference manner. The sealing effect is improved, dust can not enter the box body from the gap and is blocked by the clamping edge 20.

The MIC chip board 3 is provided with a plurality of bolt holes 32, and the MIC chip board 3 is fixed on the outer frame cover 5 through bolts 30 penetrating the bolt holes 32. The independent MIC chip board 3 mounting mode is better with bolt 30 fixed, and is more stable, prevents that MIC chip board 3 from rocking, and sealed silica gel cover appears sealed bad phenomenon.

The main control board 4 is a PCBA board. And is more suitable for controlling the MIC chip board 3 and matching with the MIC chip board.

After the power supply assembly is arranged on the rear cover 2 below the box body, the box body and the power supply assembly 1 are sleeved by a rubber sleeve, and the upper surface of the box body is exposed. Further improves the tightness, prevents the box body gap and the gap between the power supply assembly and the mounting position of the rear cover from entering ash.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. A MIC device of a sealing structure, characterized in that: including MIC chip board (3), main control board (4), box body, apron (6) and power module (1), the box body includes frame cover (5) and back lid (2), back lid (2) card is in the bottom of frame cover (5), frame cover (5) are close to top border position and are equipped with a plurality of square holes (51), be equipped with a plurality of square MIC devices (31) that correspond with square hole (51) position on MIC chip board (3), be equipped with pickup hole (311) on square MIC device (31), every cover has a MIC silica gel cover (33) on square MIC device (31), be equipped with one aperture (331) that corresponds with pickup hole (311) on MIC silica gel cover (33), after MIC silica gel cover (33) cover will block in square hole (51) on square MIC device (31), main control board (4) are installed in frame cover (5) below MIC chip board (3), power module (1) are installed and are equipped with behind main control board (2) and are equipped with behind power module (1) behind the corresponding with pickup hole (61) on square needle (1) and insert out on square needle (4), the cover plate (6) is sealed on the upper surface of the outer frame cover (5).

2. A MIC device of a sealing structure according to claim 1, wherein: the power supply assembly (1) is a sealed battery box and a battery, the battery is sealed in the battery box through bolts by the box cover of the battery box, and the box cover is provided with a power supply contact pin (11) row.

3. A MIC device of a sealing structure according to claim 2, wherein: the power supply contact pin (11) are arranged in a circle, a protective sleeve (111) is arranged on the rear cover (2), a contact pin hole (21) is formed in the rear cover (2), a connecting sleeve (22) is arranged on the rear surface of the rear cover (2) along the contact pin hole (21) in a circle, and the connecting sleeve (22) is inserted into the protective sleeve (111) in an interference mode.

4. A MIC device of a sealing structure according to claim 1, wherein: the periphery of the upper surface of the rear cover (2) close to the edge is provided with a clamping edge (20), and the clamping edge (20) is clamped on the inner side wall of the outer frame cover (5) in an interference mode.

5. A MIC device of a sealing structure according to claim 1, wherein: the MIC chip board (3) is provided with a plurality of bolt holes (32), and the MIC chip board (3) is fixed on the outer frame cover (5) through bolts (30) penetrating through the bolt holes (32).

6. A MIC device of a sealing structure according to claim 1, wherein: the main control board (4) is a PCBA board.

7. A MIC device of a sealing structure according to claim 1, wherein: after the power supply assembly is arranged on the rear cover (2) below the box body, the box body and the power supply assembly (1) are sleeved by a rubber sleeve, and the upper surface of the box body is exposed.