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CN-224218512-U - Multichannel voltage type MEMS microphone

CN224218512UCN 224218512 UCN224218512 UCN 224218512UCN-224218512-U

Abstract

The utility model provides a multichannel voltage type MEMS microphone, which relates to the technical field of microphones and comprises a microphone main body, wherein a display screen is arranged on the outer wall of the microphone main body, a control button is arranged on one side of the display screen, and an extension grip is connected on the inner side of the bottom end of the display screen in a sliding manner. Through the operation of motor, drive the screw rod and rotate, make and extend the handle and remove under spacing post and spacing groove's spacing, make and extend the handle and shift out outside the microphone main part, thereby reach the length that extends originally microphone main part handle, be convenient for different hands, the user of gripping habit finds comfortable posture of gripping, the practicality is stronger, the device passes through the setting of bandage in addition, the user is when holding microphone main part and extension handle, wherein one finger or two fingers can pass the bandage, the bandage can carry out certain spacing to the finger of user, avoid holding when not tight, the phenomenon that the microphone main part directly drops appears, stability is stronger.

Inventors

  • LIU DESHENG
  • WANG NING
  • XU LEI
  • YANG WENKAI
  • Fang Shengqiao

Assignees

  • 广范企业发展（连云港）有限公司

Dates

Publication Date
20260508
Application Date
20250530

Claims (6)

  1. 1. The multichannel voltage type MEMS microphone comprises a microphone main body (1) and is characterized in that a display screen (3) is arranged on the outer wall of the microphone main body (1), a control button (4) is arranged on one side of the display screen (3), an extension grip (8) is connected to the inner side of the bottom end of the display screen (3) in a sliding mode, a driving structure (9) for driving the extension grip (8) to move is arranged in the microphone main body (1), and a binding belt (15) is arranged on the outer wall of the microphone main body (1).
  2. 2. The multi-channel voltage type MEMS microphone according to claim 1, wherein the driving structure (9) comprises a motor (901) installed in the microphone main body (1), a screw rod (902) is fixed at the output end of the motor (901), the screw rod (902) is in threaded connection with an extension grip (8), limit posts (903) are fixed at two ends of the screw rod (902) on the inner wall of the microphone main body (1), and limit grooves (904) matched with the limit posts (903) are formed in the extension grip (8).
  3. 3. The multi-channel voltage type MEMS microphone according to claim 1, wherein a supporting block (2) is fixed in the microphone main body (1), and a dust cover (5) is arranged at the outer side of the pick-up end of the microphone main body (1) at the top end of the supporting block (2).
  4. 4. The multi-channel voltage type MEMS microphone according to claim 3, wherein the two ends of the dust cover (5) are respectively fixed with a first mounting plate (6), and the two first mounting plates (6) are respectively fixed with the supporting block (2) through a first bolt (7).
  5. 5. The multi-channel voltage type MEMS microphone according to claim 2, wherein the limiting plate (10) is fixed on the outer wall of the bottom end of the limiting post (903), and a limiting groove (11) matched with the limiting plate (10) is formed in the extending grip (8) and located on the outer side of the limiting groove (904).
  6. 6. The multi-channel voltage type MEMS microphone according to claim 1, wherein two connecting blocks (12) are fixed on the outer wall of the microphone main body (1), one ends of the two connecting blocks (12) far away from the microphone main body (1) are respectively provided with a second mounting plate (13) through second bolts (14), and the binding band (15) is fixed between the two second mounting plates (13).

Description

Multichannel voltage type MEMS microphone Technical Field The utility model relates to the technical field of microphones, in particular to a multichannel voltage type MEMS microphone. Background MEMS (microelectromechanical systems) technology is becoming the dominant direction in the sensor field by virtue of its miniaturization, low power consumption, and high integration. Under the background, the multichannel voltage type MEMS microphone has the advantages that a plurality of MEMS microphone units are integrated on the same chip, and the flexibility of voltage signal output is combined, so that not only is synchronous acquisition and processing of sound field space information realized, but also the target sound source can be enhanced and the environment interference can be restrained by means of an array algorithm, and an efficient and low-cost solution is provided for scenes such as intelligent voice interaction, professional audio acquisition and industrial acoustic detection, so that the multichannel voltage type MEMS microphone becomes a key force for promoting the innovation of the audio perception technology. At present, the length of a grip used for holding is fixed, so that users with different hand types and holding habits are difficult to find comfortable holding postures, the use experience and long-time fatigue feeling can be affected, the practicability is poor, in addition, when the users hold the microphone, the multichannel voltage type MEMS microphone is not provided with a limited mechanism, and the phenomenon of falling can occur due to unstable holding of the users, and the stability is poor. Disclosure of utility model The utility model aims to solve the problems that in the prior art, the length of a grip used for holding is fixed, users with different hands and holding habits are difficult to find comfortable holding postures, the use experience and long-time fatigue feeling are possibly influenced, and the users have no limited mechanism when holding a microphone, so that the phenomenon of falling occurs due to unstable holding of the user, and the multichannel voltage type MEMS microphone is proposed. In order to achieve the purpose, the multi-channel voltage type MEMS microphone comprises a microphone main body, wherein a display screen is arranged on the outer wall of the microphone main body, a control button is arranged on one side of the display screen, an extension grip is connected to the inner side of the bottom end of the display screen in a sliding mode, a driving structure for driving the extension grip to move is arranged in the microphone main body, and a binding belt is arranged on the outer wall of the microphone main body. Preferably, the driving structure comprises a motor arranged in the microphone main body, a screw is fixed at the output end of the motor, the screw is in threaded connection with an extension grip, limit posts are fixed at two ends of the screw on the inner wall of the microphone main body, and limit grooves matched with the limit posts are formed in the extension grip. Preferably, a supporting block is fixed in the microphone main body, and a dust cover is arranged on the outer side of the pick-up end of the microphone main body at the top end of the supporting block. Preferably, the two ends of the dust cover are both fixed with first mounting plates, and the two first mounting plates are both fixed with the supporting blocks through first bolts. Preferably, the bottom end outer wall of the limit post is fixed with a limit plate, and a limit groove matched with the limit plate is formed in the extension grip and positioned at the outer side of the limit groove. Preferably, two connecting blocks are fixed on the outer wall of the microphone main body, the second mounting plates are mounted on one ends, far away from the microphone main body, of the two connecting blocks through second bolts respectively, and the binding band is fixed between the two second mounting plates. Compared with the prior art, the utility model has the advantages and positive effects that; According to the utility model, the screw is driven to rotate through the operation of the motor, so that the extension grip moves under the limit of the limit post and the limit groove, and the extension grip moves out of the microphone main body, thereby expanding the length of the original microphone main body grip, facilitating users with different handedness to find comfortable holding postures, having stronger practicability. Drawings FIG. 1 is a perspective view of a multi-channel voltage type MEMS microphone according to the present utility model; FIG. 2 is a bottom perspective view of a multi-channel voltage type MEMS microphone according to the present utility model; FIG. 3 is a schematic diagram of a driving structure of a multi-channel voltage MEMS microphone according to the present utility model; Fig. 4 is a schematic diagram showing an external structure of a band o