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CN-224218484-U - Microphone airtight structure and intelligent device

CN224218484UCN 224218484 UCN224218484 UCN 224218484UCN-224218484-U

Abstract

The utility model relates to a microphone air-tight structure and intelligent equipment, and belongs to the field of intelligent equipment. The microphone airtight structure comprises a shell component, a circuit board, a microphone device, a protection hard shell, a protection soft sleeve and a connecting piece, wherein the shell component is provided with a containing cavity, the circuit board is arranged on the shell component and is located in the containing cavity, the microphone device is arranged on the circuit board, the protection hard shell is arranged on the shell component and is located in the containing cavity, the protection hard shell is provided with the protection cavity, the protection soft sleeve is arranged on the microphone device and is arranged around the microphone device, the protection soft sleeve is located in the protection cavity, the protection hard shell is arranged around the protection soft sleeve, and the connecting piece is clamped between the protection soft sleeve and the circuit board. The soft cover of protection sets up around the microphone device, can utilize its flexible characteristic self-adaptation to fill the gap, even if there is equipment or part size error, also can closely laminate the microphone device through elastic deformation, effectively avoid the airtight not enough problem because of the error leads to.

Inventors

  • LEI KAI
  • WANG QIANG

Assignees

  • 广东尚研电子科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250506

Claims (10)

  1. 1. The utility model provides a microphone airtight structure which characterized in that, microphone airtight structure include: A housing assembly (1), the housing assembly (1) being provided with a receiving cavity (101); A circuit board (2), the circuit board (2) being arranged on the housing assembly (1) and being located in the receiving cavity (101); a microphone device (3), the microphone device (3) being arranged on the circuit board (2); A protective hard shell (4), wherein the protective hard shell (4) is arranged on the shell assembly (1) and is positioned in the accommodating cavity (101), and the protective hard shell (4) is provided with a protective cavity (401); -a protective soft cover (5), the protective soft cover (5) being arranged on the microphone device (3) and around the microphone device (3), the protective soft cover (5) being located in the protective cavity (401), the protective hard shell (4) being arranged around the protective soft cover (5); The connecting piece (6), connecting piece (6) clamp is located protect soft cover (5) with between circuit board (2).
  2. 2. Microphone gas-tight structure according to claim 1, characterized in that the protective soft cover (5) is provided with a placement cavity (501) and a transmission channel (502), the microphone device (3) is located in the placement cavity (501), the housing assembly (1) is provided with an input hole (102), and the input hole (102), the transmission channel (502) and the placement cavity (501) are communicated in sequence.
  3. 3. Microphone airtight structure according to claim 2, characterized in that the protection soft cover (5) comprises a soft cover main body (51) and a bulge (52), the soft cover main body (51) is arranged on the microphone device (3), the connecting piece (6) is clamped between the soft cover main body (51) and the circuit board (2), the bulge (52) is arranged on the soft cover main body (51), the shell component (1) is abutted against the bulge (52), the soft cover main body (51) is arranged in the protection cavity (401), the soft cover main body (51) is provided with a placement cavity (501), and the transmission channel (502) penetrates through the soft cover main body (51) and the bulge (52).
  4. 4. A microphone gas-tight structure according to claim 3, characterized in that the soft sleeve body (51) comprises a connection face (511) and a sealing face (512), the sealing face (512) being in abutment with the microphone device (3), the connection face (511) being arranged on the connection piece (6), the transmission channel (502) extending through the sealing face (512), the placement cavity (501) extending through the connection face (511).
  5. 5. The microphone airtight structure according to claim 4, wherein, -The horizontal plane height of the sealing surface (512) is greater than the horizontal plane height of the connecting surface (511); And/or the connecting surface (511) wraps the projection area of the sealing surface (512) on the soft sleeve main body (51) in the projection area of the soft sleeve main body (51).
  6. 6. A microphone airtight structure according to claim 3, wherein, The soft sleeve main body (51) and the bulge (52) are integrally formed; and/or the housing assembly (1) and the protective hard shell (4) are integrally formed; and/or the cross-sectional shape of the protrusions (52) is circular; or the cross-sectional shape of the protrusion (52) is square.
  7. 7. Microphone gas-tight structure according to claim 1, characterized in that the inner side wall of the protective hard shell (4) is in a gap with the outer side wall of the protective soft cover (5).
  8. 8. Microphone airtight structure according to claim 1, characterized in that the housing assembly (1) comprises a lower housing (11) and an upper housing (12), the upper housing (12) is arranged on the lower housing (11), the upper housing (12) is abutted against the protective soft cover (5), the circuit board (2) is arranged on the lower housing (11), and the upper housing (12) and the lower housing (11) enclose the accommodating cavity (101).
  9. 9. The microphone air-tight structure according to claim 8, characterized in that the lower case (11) includes a main case (111) and support columns (112), the number of the support columns (112) is plural, plural support columns (112) are provided on the main case (111), the upper case (12) is provided on the main case (111), and the circuit board (2) is provided on plural support columns (112).
  10. 10. An intelligent device, characterized in that the intelligent device comprises: a microphone air-tight structure according to any of claims 1 to 9; the intelligent equipment body, the airtight structure of microphone sets up on the intelligent equipment body.

Description

Microphone airtight structure and intelligent device Technical Field The utility model relates to the field of intelligent equipment, in particular to a microphone air-tight structure and intelligent equipment. Background Currently, intelligent terminal devices on the market basically have a voice intercom function. However, the quality of their voice intercom is generally poor. The main reason for this is that the airtight approach employed by the microphone device within the device is defective, such that the device may appear noisy when recognizing speech. Currently, for airtight treatment of a microphone on an intelligent terminal, a cover with a hard structural member is commonly adopted in the market. Although this airtight system can achieve a sealing effect to some extent, there are significant drawbacks. On the one hand, once the operation is incorrect during the assembly process, or the dimensional errors of the parts are not strictly controlled, there is a quality risk, resulting in an insufficient airtight effect. On the other hand, the airtight mode also increases the assembly difficulty of the equipment and the manufacturing difficulty of parts. Disclosure of utility model Based on this, it is necessary to provide a microphone airtight structure and a smart device for the problem of poor sealing of a microphone device of the smart device. The microphone airtight structure comprises a shell component, a circuit board, a microphone device, a protection hard shell and a protection soft sleeve, wherein the shell component is provided with a containing cavity, the circuit board is arranged on the shell component and located in the containing cavity, the microphone device is arranged on the circuit board, the protection hard shell is arranged on the shell component and located in the containing cavity, the protection hard shell is provided with a protection cavity, the protection soft sleeve is arranged on the microphone device and is arranged around the microphone device, the protection soft sleeve is located in the protection cavity, the protection hard shell is arranged around the protection soft sleeve, and the connection piece is clamped between the protection soft sleeve and the circuit board. The foregoing discloses a microphone airtight structure, firstly, the accommodation chamber of casing subassembly provides stable and regular installation space for inside each part, and its structural design makes circuit board, protection hard shell etc. parts can orderly be arranged. And secondly, a double protection structure combining a protection hard shell and a protection soft sleeve is adopted, so that the airtight mode of the traditional single hard structural member cover is changed. The soft cover of protection sets up around the microphone device, can utilize its flexible characteristic self-adaptation to fill the gap, even if there is equipment or part size error, also can closely laminate the microphone device through elastic deformation, effectively avoid the airtight not enough problem because of the error leads to, greatly reduced the quality risk, compared traditional mode and showing and promoted airtight reliability. The existence of the connecting piece further strengthens the protection system, the connecting piece is clamped between the protection soft sleeve and the circuit board, the protection soft sleeve and the circuit board are tightly attached by utilizing the viscosity characteristic, no gap is ensured between the protection soft sleeve and the circuit board, outside air, water vapor and dust are prevented from invading through the gap, the air tightness around a microphone device is greatly improved, the microphone device can work in a relatively stable environment due to good air tightness, the interference of outside noisy sounds is reduced, the accuracy of voice recognition and the voice intercom quality are obviously improved, clearer and smoother voice interaction experience is brought to users, the competitiveness of intelligent terminal equipment in the market is enhanced, and reliable technical support is provided for the performance upgrading of related products. In one embodiment, the soft cover is provided with a placement cavity and a transmission channel, the microphone device is located in the placement cavity, the shell component is provided with an input hole, and the input hole, the transmission channel and the placement cavity are sequentially communicated. Through the arrangement cavity and the transmission channel which are arranged on the protection soft sleeve, the protection soft sleeve is matched with the input hole of the shell assembly, and a high-efficiency and stable sound transmission and protection system is formed. The arrangement cavity provides a mounting space for the microphone device, and the design of close fitting can effectively reduce the displacement of the microphone device caused by vibration in the running process of equipment,