CN210670545U

CN210670545U - Strip-shaped array microphone assembly

Info

Publication number: CN210670545U
Application number: CN201921888353.4U
Authority: CN
Inventors: 程美玲
Original assignee: Yantai Jiangwei Electronic Technology Co Ltd
Current assignee: Yantai Jiangwei Electronic Technology Co Ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-06-02
Anticipated expiration: 2029-11-04

Abstract

The utility model relates to a microphone technical field, concretely relates to bar array microphone subassembly, including bar array microphone, bar array microphone includes base plate, sound head, still includes base, riser, pivot, rotating turret, rotation base plate, cardboard, bulge, solid fixed ring, slip ring, locating lever, spacing ring, elastic component. The utility model has the advantages that: with bar array microphone's base plate block in the centre gripping space, through stop gear, with the base plate spacing on the centre gripping space, through stirring the slip ring toward the pivot axial outside, make the locating lever break away from with the state of closing of inserting of jack, make the rotation base plate can revolute the axial rotation of shaft, thereby make the sound head on the base plate can carry out the audio frequency collection to a plurality of positions of circumference, in addition through the top of supporting of elastic component to the slip ring, make the locating lever insert and close in the jack, the rotation base plate after will rotating is fixed, thereby guarantee the stability of collection process, improve the collection precision.

Description

Strip-shaped array microphone assembly

Technical Field

The utility model relates to a microphone technical field, concretely relates to bar array microphone subassembly.

Background

The array microphone is an acoustic detection device formed by combining a plurality of microphones according to certain geometrical shape distribution, and has good signal acquisition performance in a noise environment, so that the array microphone is widely applied to various fields of modern acoustic measurement, and can realize the functions of voice enhancement, sound source positioning, acoustic imaging detection, mechanical noise fault diagnosis and the like.

At present, in some audio test experiments, the substrate of the strip-shaped array microphone needs to be moved timely, so that the sound head on the substrate can collect audio from different directions, but the strip-shaped array microphone mounting assembly in the prior art cannot realize the rotation of the strip-shaped array microphone, so that the sound head cannot collect the circumferential audio, and the test result is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide a bar array microphone subassembly, it can realize making bar array microphone rotate to make the sound head can carry out the audio frequency collection in a plurality of positions of circumference.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

a bar-shaped array microphone assembly comprises a bar-shaped array microphone, wherein the bar-shaped array microphone comprises a substrate and twenty three sound heads, the sound heads are arrayed on the substrate along the length direction of the substrate, the bar-shaped array microphone also comprises a base, vertical plates are arranged on the base, rotating shafts which are rotatably connected on the vertical plates are horizontally arranged on the vertical plates in a penetrating way, one ends of the rotating shafts, penetrating out of the vertical plates, are provided with rotating frames, the rotating frames are provided with rotating substrates, two ends of the rotating substrates in the width direction are provided with clamping plates which stretch across the length direction of the rotating substrates, one ends of the two clamping plates, far away from the rotating substrates, are provided with convex parts which extend towards the opposite sides of the rotating substrates, a clamping space for clamping the substrates is formed by the two convex parts, the clamping plates and the rotating substrates, the substrates are limited in the clamping, the aperture of a middle hole in the fixing ring is larger than the diameter of the rotating shaft, the rotating shaft is sleeved with a sliding ring connected with a spline of the rotating shaft, one surface of the sliding ring, facing the fixing ring, is provided with a positioning rod, the corresponding axial end surface of the fixing ring is provided with a plurality of jacks for the insertion of the positioning rod along the axial array of the fixing ring, one end of the rotating shaft, far away from the rotating frame, is provided with a limiting ring, an elastic part is arranged between the limiting ring and the sliding ring, and the elastic part abuts against the sliding ring to drive the positioning rod to be inserted in the.

Further, stop gear includes a baffle, the baffle is located two cardboard one end and is sealed centre gripping space one side, the centre gripping space is worn out to the sound head, one of them the cardboard is equipped with a flange keeping away from baffle one end, a pin is worn to be equipped with by perpendicular sliding fit on the flange, the axial plane that the flange one end was worn out to the pin supports and leans on the base plate surface, will the base plate is spacing in the centre gripping space, the pin is worn out flange one end and is equipped with the stopper, the cover is equipped with the extension spring on the pin, the extension spring both ends respectively with stopper, flange rigid coupling.

Furthermore, the elastic part is a spring, the spring is sleeved on the rotating shaft, and two ends of the spring in the elastic direction are fixedly connected with the limiting ring and the sliding ring respectively.

Furthermore, the rotating shaft is suitable for being rotatably connected to the vertical plate through a mounting bearing.

The utility model has the advantages that: the base plate block with bar array microphone is in the centre gripping space, through stop gear, it is spacing on the centre gripping space with the base plate, through stirring the slip ring toward the pivot axial outside, make the locating lever break away from the state of closing with inserting of jack, make the rotation base plate can revolute the axial rotation of shaft, thereby make the sound head on the base plate can carry out audio acquisition to a plurality of positions of circumference, in addition through the top that supports of elastic component to the slip ring, make the locating lever insert and close in the jack, the rotation base plate after will rotating is fixed, thereby guarantee the stability of collection process, improve the collection precision, set up stop gear, through the pulling of extension spring to the stopper, make the inserted bar global support and lean on the substrate surface, thereby make the base plate spacing in the centre gripping space, can make things convenient for the installation of base plate, dismantle, and can guarantee the collection in-process, the base plate is.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a side view of the three-dimensional structure of FIG. 1;

FIG. 3 is an exploded view of the perspective structure of FIG. 1;

FIG. 4 is an enlarged view of a portion of the structure at A in FIG. 3;

the reference numerals are explained below:

1-base plate, 2-sound head, 3-base, 4-vertical plate, 5-rotating shaft, 6-rotating frame, 7-rotating base plate, 8-clamping plate, 9-bulge, 10-baffle, 11-convex plate, 12-stop lever, 13-tension spring, 14-fixed ring, 15-sliding ring, 16-positioning rod, 17-jack, 18-limiting ring, 19-spring, 20-limiting block and 21-clamping space.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The bar-shaped array microphone assembly as shown in fig. 1-4 comprises a bar-shaped array microphone, the bar-shaped array microphone comprises a substrate 1 and a sound head 2, the sound head 2 is twenty three, and is arranged on the substrate 1 along the length direction of the substrate 1 in an array manner, the bar-shaped array microphone further comprises a base 3, the base 3 is provided with a vertical plate 4, a rotating shaft 5 which is rotatably connected to the vertical plate 4 through a bearing (not shown in the figure) horizontally penetrates through the vertical plate 4, one end of the rotating shaft 5, which penetrates through the vertical plate 4, is provided with a rotating frame 6, the rotating frame 6 is provided with a rotating substrate 7, two ends of the rotating substrate 7 in the width direction are provided with clamping plates 8 which cross the length direction, one ends of the two clamping plates 8, which are far away from the rotating substrate 7, are provided with protruding parts 9 which extend towards the opposite sides of the rotating substrate, and a, the base plate 1 is limited in the clamping space 21 through a limiting mechanism, a fixing ring 14 fixedly connected with the vertical plate 4 is sleeved on the rotating shaft 5, the diameter of a central hole on the fixing ring 14 is larger than the diameter of the rotating shaft 5, a sliding ring 15 in spline connection with the rotating shaft 5 is sleeved on the rotating shaft 5, a positioning rod 16 is arranged on one surface of the sliding ring 15 facing the fixing ring 14, a plurality of jacks 17 for inserting the positioning rod 16 are arranged on the corresponding axial end surface of the fixing ring 14 along the axial direction of the fixing ring, a limiting ring 18 is arranged at one end of the rotating shaft 5 far away from the rotating frame 6, a spring 19 is arranged between the limiting ring 18 and the sliding ring 15, the spring 19 is sleeved on the rotating shaft 5, two ends of the spring in the elastic direction are respectively fixedly connected with the limiting ring 18 and the sliding ring 15, the spring 19 abuts against the sliding ring 15 to drive the positioning rod 16 to be inserted, baffle 10 is located two 8 one ends of cardboard and is just sealed 21 one side of centre gripping space, centre gripping space 21 is worn out to sound head 2, one of them cardboard 8 is equipped with a flange 11 keeping away from 10 one end of baffle, a pin 12 is worn to be equipped with on the flange 11 in the perpendicular sliding fit, the axial plane that the pin 11 one end was worn out to the pin 12 supports and leans on 1 surface of base plate, will 1 spacing in centre gripping space 21 of base plate, the pin 12 is worn out flange 11 one end and is equipped with stopper 20, the cover is equipped with extension spring 13 on the

12, 13 both ends of extension spring respectively with stopper 20, flange 11 rigid coupling,

flange

11 and 8 integrated into one piece of cardboard.

The utility model discloses when using: pulling a limiting block to the outer side of the clamping plate to enable the limiting block to overcome the resistance of a tension spring and separate from the clamping space, inserting a substrate of the strip-shaped array microphone into the clamping space from one side of the clamping space away from a baffle plate, then loosening the limiting block, enabling a stop lever to penetrate into the clamping space under the tension of the tension spring and to abut against the surface of the substrate through the circumferential surface of the stop lever, and then enabling the substrate to be stably clamped in the clamping space through the interference of two convex parts on the surface of the substrate, in the collection process, when the substrate needs to be rotated, firstly, poking a sliding ring to the axial outer side of a rotating shaft to enable a positioning rod to be separated from the inserting state of an inserting hole in a fixing ring, at the moment, the rotating shaft is in a free rotating state, then, manually rotating the rotating shaft to a proper angle, loosening the sliding ring, driving the sliding ring to, meanwhile, the sliding ring is connected to the rotating shaft through the spline, so that the rotating shaft cannot rotate, the rotating base plate is in a rotation limiting state, namely, the bar-shaped array microphone is in a rotation limiting state, and the bar-shaped array microphone basically cannot rotate automatically when audio collection is carried out.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A bar-shaped array microphone assembly comprises a bar-shaped array microphone, the bar-shaped array microphone comprises a substrate (1) and sound heads (2), the number of the sound heads (2) is twenty three, the sound heads are arranged on the substrate (1) in an array mode along the length direction of the substrate (1), the bar-shaped array microphone assembly is characterized by further comprising a base (3), vertical plates (4) are arranged on the base (3), rotating shafts (5) rotatably connected to the vertical plates (4) are horizontally arranged on the vertical plates (4) in a penetrating mode, one ends, penetrating out of the vertical plates (4), of the rotating shafts (5) are provided with rotating frames (6), rotating substrates (7) are mounted on the rotating frames (6), clamping plates (8) stretching across the length direction of the rotating substrates (7) are arranged at two ends of the width direction of the rotating substrates (7), protruding portions (9) extending towards opposite sides of the two, a clamping space (21) for clamping the substrate (1) is enclosed between the two bulges (9), the clamping plate (8) and the rotating substrate (7), the substrate (1) is limited in the clamping space (21) through a limiting mechanism, a fixing ring (14) fixedly connected with the vertical plate (4) is sleeved on the rotating shaft (5), the aperture of a middle hole on the fixing ring (14) is larger than the diameter of the rotating shaft (5), a sliding ring (15) connected with a spline of the rotating shaft (5) is sleeved on the rotating shaft (5), a positioning rod (16) is arranged on one surface of the sliding ring (15) facing the fixing ring (14), a plurality of jacks (17) for inserting the positioning rod (16) are arranged on the corresponding shaft end surface of the fixing ring (14) along the axial array of the sliding ring, a limiting ring (18) is arranged at one end of the rotating shaft (5) far away from the rotating frame (6), and an elastic piece is arranged between the limiting ring (18), the elastic piece is abutted against the sliding ring (15) to drive the positioning rod (16) to be inserted in the insertion hole (17).

2. Bar array microphone assembly according to claim 1, wherein the limiting mechanism comprises a baffle plate (10), the baffle (10) is arranged at one end of the two clamping plates (8) and seals one side of the clamping space (21), the sound head (2) penetrates out of the clamping space (21), one end of one of the clamping plates (8) far away from the baffle (10) is provided with a convex plate (11), a stop lever (12) vertically and slidably arranged on the convex plate (11), the shaft surface of one end of the stop lever (12) penetrating through the convex plate (11) is abutted against the surface of the base plate (1) to limit the base plate (1) in the clamping space (21), a limit block (20) is arranged at one end of the stop lever (12) which penetrates out of the convex plate (11), the stop lever (12) is sleeved with a tension spring (13), and two ends of the tension spring (13) are fixedly connected with the limiting block (20) and the convex plate (11) respectively.

3. The strip-type array microphone assembly according to claim 1, wherein the elastic member is a spring (19), the spring (19) is sleeved on the rotating shaft (5), and two ends of the spring in the elastic direction are respectively fixedly connected with the limiting ring (18) and the sliding ring (15).

4. Strip microphone array assembly according to claim 1, wherein the shaft (5) is pivotally connected to the upright (4) by means of a mounting bearing.