CN216852317U - Mechanical adjustable sound cavity microphone - Google Patents

Abstract

The utility model discloses a machinery debugs sound cavity microphone, which comprises an outer shell, and set up the microphone subassembly of shell bottom sound cavity hole inboard, the microphone subassembly includes the miaow head, the sound cavity, miaow head position control subassembly includes the bracing piece, spacing buckle, prop the cup, the rack, driven gear, adjusting gear, the regulating wheel, rack track bottom plate, through mechanical gear cooperation, adjust the position of miaow head in the sound cavity, can adjust the optimization sound conduction cavity according to user's voice frequency characteristic, optimize to specific user's sound cavity frequency response characteristic, the user adjusts microphone sound conduction cavity structure when reading out a section of model text according to the suggestion, and obtain the best frequency response characteristic and solidify this structure, promote the discernment of pronunciation and interactive effect greatly; the voice cavity can be intelligently and automatically adjusted by driving and adjusting the adjusting driving device through software and controlling the adjusting driving device by a central control system, so that the voice cavity can be intelligently and automatically adjusted to adapt to the voice recognition of a specific user.

Description

Mechanical adjustable sound cavity microphone

Technical Field

The utility model relates to a microphone technical field, more specifically the utility model discloses mainly relate to a machinery debugged chamber microphone.

Background

Microphones are commonly used in various electronic products (mobile phones, PCs and tablets) to collect voices, people of different genders and ages, voice frequency characteristics have obvious difference, and the frequency response characteristics of the microphones are set when leaving factories and cannot be adjusted according to different users, so that voice recognition and interaction among any devices are often influenced.

In the equipment with the microphone, the frequency response characteristic is not only formed by the microphone, but also has an important relation with the design of a sound guide cavity on the equipment, the integral audio guide effect of the system is jointly determined by the sound guide cavity and the microphone locally, and the sound guide cavity which can be adjusted and optimized according to the voice frequency characteristic of a user can greatly improve the voice recognition and interaction effects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the aforesaid not enough, provide a machinery debugs sound chamber microphone to expect that the frequency response characteristic is unadjustable among the solution prior art, specific personnel speech recognition precision low grade technical problem.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a machinery debugs sound cavity microphone, which comprises an outer shell, and set up the inboard microphone subassembly of shell bottom sound cavity hole, the microphone subassembly includes miaow head, sound chamber, miaow head position control assembly, sound chamber front end is fixed to be supported and is installed at shell bottom sound cavity hole inboard, the miaow head sets up at miaow head position control assembly front end center, miaow head position control assembly front end embedding supports the sound chamber rear end.

Further, the sound cavity is a spherical cavity with an upper opening and a lower opening.

The microphone position adjusting assembly comprises a supporting rod, a limiting buckle, a supporting cup, a rack, a driven gear, an adjusting wheel and a rack track bottom plate, wherein the front end of the limiting buckle is embedded and fixed at the rear end of the sound cavity, the front end of the supporting rod is fixed with a microphone and movably penetrates through a middle through hole of the limiting buckle, the rear end of the supporting rod is fixed in the middle of the supporting cup, the whole supporting cup is movably embedded in the middle of the buckle at the rear end of the limiting buckle and is provided with a moving gap, the middle of the rear side face of the supporting cup is provided with the rack, the rack is movably arranged on a track corresponding to the rack track bottom plate, the adjusting gear is fixed at the center of the adjusting wheel and is positioned below the rack, the adjusting gear is meshed with the driven gear, the driven gear is meshed with the rack, and the adjusting gear are rotatably arranged on a corresponding rotating shaft of the rack track bottom plate.

Furthermore, the microphone position adjusting assembly further comprises an elastic wall support, the elastic wall support is arranged in the sound cavity, the front end of the elastic wall support abuts against the inner side of the sound cavity hole at the bottom of the shell, and the rear end of the elastic wall support is shorter than the depth of the sound cavity and can abut against the microphone to limit the position of the microphone at the maximum distance of forward movement.

Further, the microphone position adjusting assembly further comprises an adjusting driving device, and the adjusting driving device is in power connection with the adjusting wheel.

Compared with the prior art, the beneficial effects of the utility model are that: through the cooperation of mechanical type gear, adjust the position of miaow head in the sound chamber, can adjust optimization sound guide cavity according to user's pronunciation frequency characteristic, optimize to specific user's sound chamber frequency response characteristic, the user adjusts microphone sound guide cavity structure when reading out one section model essay according to the suggestion to obtain the best frequency response characteristic and get off this structure solidification, promote the discernment and the interactive effect of pronunciation greatly. The voice cavity can be intelligently and automatically adjusted by driving and adjusting the adjusting driving device through software and controlling the adjusting driving device by a central control system, so that the voice cavity can be intelligently and automatically adjusted to adapt to the voice recognition of a specific user.

Drawings

Fig. 1 is the embodiment of the present invention provides a split schematic view of a mechanical adjustable sound cavity microphone.

The reference numerals are explained below:

the microphone comprises a shell 1, a sound cavity hole 2, a microphone component 3, a microphone head 4, a sound cavity 5, a microphone head position adjusting component 6, a support rod 601, a limit buckle 602, a support cup 603, a rack 604, a driven gear 605, an adjusting gear 606, an adjusting wheel 607, a rack rail base plate 608, a rail 609, a rotating shaft 610 and an elastic wall support 611.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1, the embodiment of the utility model provides a machinery debugs sound cavity microphone, which comprises a housing 1, and set up the microphone subassembly 3 of shell 1 bottom sound cavity hole 2 inboards, importantly, microphone subassembly 3 includes miaow head 4, sound cavity 5, miaow head position control assembly 6, sound cavity 5 front end is fixed to support and installs 2 inboards at shell 1 bottom sound cavity hole, miaow head 4 sets up at 6 front end centers of miaow head position control assembly, 6 front end embeddings of miaow head position control assembly support the sound cavity 5 rear end, adjust the position of miaow head 4 in sound cavity 5, can adjust the optimization sound conduction chamber according to user's speech frequency characteristic.

Wherein, the sound cavity 5 is a spherical cavity with an upper opening and a lower opening, mainly makes sound resonate inside, and is matched with the microphone 4 to collect sound signals.

More specifically, the microphone position adjusting assembly 6 comprises a support rod 601, a limit buckle 602, a support cup 603, a rack 604 and a driven gear 605, the adjusting gear 606, the adjusting wheel 607 and the rack track bottom plate 608, the front end of the limit buckle 602 is embedded and fixed at the rear end of the sound cavity 5, the front end of the support rod 601 is fixed with the microphone 4 and then movably penetrates through a through hole in the middle of the limit buckle 602, the rear end of the support rod 601 is fixed in the middle of the support cup 603, the support cup 603 is integrally and movably embedded in the middle of the buckle at the rear end of the limit buckle 602 and a moving gap is reserved, the rack 604 is fixed in the middle of the rear side of the support cup 603, the rack 604 is movably arranged on a track 609 corresponding to the rack track bottom plate 608, the adjusting gear 606 is fixed at the center of the adjusting wheel 607 and positioned above the rack 604, the adjusting gear 606 is meshed with the driven gear 605, the driven gear 605 is meshed with the rack 604, and the driven gear 605 and the adjusting gear 606 are rotatably installed on a rotating shaft 610 corresponding to the rack track bottom plate 608; the adjusting gear 606 is driven to rotate by rotating the adjusting wheel 607, so as to drive the driven gear 605 to rotate, and then drive the rack 604 to move back and forth, thereby moving the position of the microphone 4, adjusting the size of the middle space of the sound cavity 5, and changing the resonant cavity.

Furthermore, the microphone position adjusting assembly 6 further comprises a flexible wall bracket 611, wherein the flexible wall bracket 611 is disposed in the sound cavity 5, the front end of the flexible wall bracket 611 abuts against the inner side of the sound cavity hole 2 at the bottom of the housing 1, and the rear end of the flexible wall bracket 611 abuts against the microphone 4 by being shorter than the depth of the sound cavity 5, so as to limit the maximum distance position for the microphone 4 to move forward, and prevent the microphone from being affected by excessive movement.

Furthermore, the microphone position adjusting assembly 6 further includes an adjusting driving device, the adjusting driving device is in power connection with the adjusting wheel 607, the adjusting driving device can be a power device such as a motor, and the adjusting driving device is controlled by software and a central control system, so that the intelligent automatic adjustment of the sound cavity can be realized, and the microphone position adjusting assembly is suitable for voice recognition of a specific user.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (5)

1. The utility model provides a machinery debugs sound cavity microphone, includes the shell to and set up the inboard microphone subassembly of shell bottom sound cavity hole, its characterized in that: the microphone assembly comprises a microphone head, a sound cavity and a microphone head position adjusting assembly, wherein the front end of the sound cavity is fixedly supported and installed on the inner side of a sound cavity hole at the bottom of the shell, the microphone head is arranged at the center of the front end of the microphone head position adjusting assembly, and the front end of the microphone head position adjusting assembly is embedded and supported at the rear end of the sound cavity.

2. The mechanically tunable, tunable cavity microphone of claim 1, wherein: the sound cavity is a spherical cavity with an upper opening and a lower opening.

3. The mechanically tunable, tunable cavity microphone of claim 1, wherein: the miaow head position control subassembly includes bracing piece, spacing buckle, props cup, rack, driven gear, adjusting gear, regulating wheel, rack track bottom plate, spacing buckle front end embedding is fixed at the sound chamber rear end, the fixed miaow head back activity of bracing piece front end passes through the middle through-hole of spacing buckle, the bracing piece rear end is fixed in the middle of propping the cup, prop the middle clearance that leaves of the whole activity embedding spacing buckle rear end buckle of cup, prop cup trailing flank middle part fixed rack, the rack activity sets up on the track that rack track bottom plate corresponds, adjusting gear fixes and is located the rack below at the regulating wheel center, adjusting gear and driven gear meshing, driven gear and rack toothing, driven gear, adjusting gear are rotatable to be installed in rack track bottom plate corresponds the pivot.

4. The mechanically tunable, tunable cavity microphone of claim 3, wherein: the microphone position adjusting assembly further comprises an elastic wall support, the elastic wall support is arranged in the sound cavity, the front end of the elastic wall support abuts against the inner side of the sound cavity hole at the bottom of the shell, and the rear end of the elastic wall support is shorter than the depth of the sound cavity and can abut against the microphone to limit the position of the microphone at the maximum distance of forward movement.

5. The mechanically tunable, tunable cavity microphone of claim 3, wherein: the microphone position adjusting assembly further comprises an adjusting driving device, and the adjusting driving device is in power connection with the adjusting wheel.

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