CN210351527U

CN210351527U - Intelligent voice sound equipment with four microphone arrays

Info

Publication number: CN210351527U
Application number: CN201921257904.7U
Authority: CN
Inventors: 蔡福康; 褚登红; 杨跃平
Original assignee: Shanghai Youngch Electronics Co ltd
Current assignee: Shanghai Youngch Electronics Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-04-17
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses an intelligent voice sound equipment with four microphone arrays, which belongs to the technical field of sound equipment, comprising a shell, wherein the shell is clamped with a back plate, the back plate is fixedly installed with the inner wall of the shell through bolts, a groove is arranged at the position of the back plate corresponding to the bolts, a microphone PCBA plate is arranged in the shell, the back surface wall of the microphone PCBA plate is provided with a microphone, the position of the back plate corresponding to the microphone PCBA plate is provided with a panel, the position of the panel corresponding to the microphone is provided with a sound pickup hole, the front surface of the microphone PCBA plate is provided with an integrated silica gel, the integrated silica gel is buckled with the panel, the utility model is provided with a stop block, a transverse plate, a pressing plate, a first spring, a fixed block, a fixed bolt, a telescopic device and the microphone PCBA plate, the fixed block can fix the microphone PCBA plate through the fixed bolt, and the first spring can absorb shock to the microphone, vibrations generated by the sounding of the sound can be isolated, so that the voice recognition rate is ensured.

Description

Intelligent voice sound equipment with four microphone arrays

Technical Field

The utility model relates to a stereo set technical field especially relates to an intelligent pronunciation audio equipment of four microphone arrays.

Background

The sound refers to other sounds besides human language and music, including sounds of natural environment, sounds of animals, sounds of machine tools, various sounds generated by human actions, and the like, and the sounds roughly include a power amplifier, peripheral devices, a speaker, a sound console, a microphone, a display device, and the like, which are combined together, wherein the sound boxes are sound output devices, a speaker, a subwoofer, and the like.

But the intelligent pronunciation stereo set on the existing market, the microphone generally all is the welding on microphone PCBA board, and microphone PCBA board generally all is fixed through bolt and casing, and the vibrations that produce during the stereo set sound production lead to microphone PCBA board vibration easily to lead to external noise to be conducted the microphone by inside, influence speech recognition, reduced speech recognition probability.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and provide an intelligent pronunciation stereo set of four microphone arrays.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an intelligent voice sound equipment with a four-microphone array comprises a shell, wherein the shell is connected with a back plate in a clamping manner, the back plate is fixedly installed on the inner wall of the shell through bolts, a groove is formed in the position, corresponding to the bolts, of the back plate, a microphone PCBA board is arranged in the shell, a microphone is arranged on the back surface wall of the microphone PCBA board, a panel is arranged on the position, corresponding to the microphone, of the back plate, a sound pickup hole is formed in the position, corresponding to the microphone, of the panel, an integrated silica gel is arranged on the front surface of the microphone PCBA board, the integrated silica gel is buckled with the panel, a convex cylinder is arranged on the back surface wall of the panel, a stop block is arranged above the microphone PCBA board and fixedly connected with the inner wall of the shell, the two sides of the inner wall of the shell are fixedly connected with two first springs respectively, and one end, far away from the, be equipped with the gim peg on the fixed block, the through-hole has been seted up to the position that microphone PCBA board corresponds the gim peg, the below of microphone PCBA board is provided with the clamp plate, the lower table wall of clamp plate and the last wall fixed connection of diaphragm, the lower inner wall fixed connection that the lower table wall of diaphragm passes through telescoping device and casing, the telescoping device comprises telescopic link and second spring, the outward appearance wall at the telescopic link is established to the second spring housing, the lower table wall fixed connection of one end of telescopic link and diaphragm, and the other end of telescopic link and the inner wall fixed connection of casing.

Preferably, the front surface wall of the shell is provided with a power interface, and the power interface is a USB interface.

Preferably, the pressing plate is of a U-shaped structure, and the inner wall of the pressing plate is provided with anti-skid grains.

Preferably, the number of the grooves is four, and the four grooves are respectively positioned at four corners of the back plate.

Preferably, the outer wall of the fixing bolt is sleeved with a rubber sleeve, and the outer wall of the rubber sleeve is provided with anti-skid grains.

Preferably, the fixing plate is T-shaped, and the fixing plate is symmetrically arranged through the central axis of the microphone PCBA board.

Preferably, four microphone intervals are 32mm on the microphone PCBA board, pick up the sound hole and contact with integration silica gel plane, integration silica gel passes through 5 locating holes and panel locking.

Preferably, the integrated silica gel is made of a material with certain softness, and the size of the microphone sound pick-up hole is 2.5 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the dog has been set up, the diaphragm, the clamp plate, first spring, the fixed block, the gim peg, telescoping device and microphone PCBA board, during the installation, the diaphragm is moved to the downward pressure, diaphragm board bandwagon brake downstream, place the last wall at the clamp plate with microphone PCBA board, then loosen the diaphragm, the telescoping device extension promotes diaphragm upward movement, diaphragm bandwagon brake upward movement, the clamp plate drives microphone PCBA board upward movement, make the last table wall of microphone PCBA board and the lower table wall overlap joint of dog, can install and fix in advance, the fixed block can be fixed microphone PCBA board through the gim peg, first spring can carry out the shock attenuation to microphone PCBA board, the vibrations that the stereo set sound production can be isolated, thereby the speech recognition rate has been guaranteed.

2. The utility model discloses the casing has been set up, a panel, integration silica gel, locating hole and protruding cylinder, integration silica gel is detained with the panel mutually, fix a position through protruding cylinder, pick up sound hole and integration silica gel plane contact, integration silica gel passes through locating hole and panel locking, can let the panel, integration silica gel and microphone PCBA board tightly paste mutually, there is not the gap, do not disturb microphone work, the vibrations that the stereo set took place to produce just are isolated like this, the microphone can't be conducted from inside to external noise, the microphone can only be followed the pickup hole entering of panel from the pickup, reach far field sound and awaken up, the effect of improvement rate of identification.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a rear view of the PCBA board of the microphone of the present invention;

fig. 5 is a front view of the PCBA board of the microphone of the present invention;

fig. 6 is a schematic structural diagram of the panel of the present invention.

In the figure: 1. a back plate; 2. a stopper; 3. a microphone PCBA board; 4. integrated silica gel; 5. a convex cylinder; 6. a bolt; 7. a groove; 8. a power interface; 9. a housing; 10. a through hole; 11. a first spring; 12. a fixed block; 13. a fixing bolt; 14. pressing a plate; 15. a transverse plate; 16. a telescoping device; 161. a telescopic rod; 162. a second spring; 17. a microphone; 18. positioning holes; 19. a sound pickup hole; 20. a panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: an intelligent voice sound equipment with a four-microphone array comprises a shell 9, wherein the shell 9 is clamped with a back plate 1, the back plate 1 is fixedly installed with the inner wall of the shell 9 through bolts 6, a groove 7 is formed in the position, corresponding to the bolts 6, of the back plate 1, a microphone PCBA board 3 is arranged in the shell 9, a microphone 17 is arranged on the rear surface wall of the microphone PCBA board 3, a panel 20 is arranged at the position, corresponding to the microphone PCBA board 3, of the back plate 1, a sound pickup hole 19 is formed in the position, corresponding to the microphone 17, of the panel 20, the microphone 17 can pick up sound through the sound pickup hole 19, an integrated silica gel 4 is arranged on the front surface of the microphone PCBA board 3, the integrated silica gel 4 is buckled with the panel 20, a convex column 5 is arranged on the rear surface wall of the panel 20, a stop block 2 is arranged above the microphone PCBA board 3, the stop 2 is fixedly connected with the inner wall of the shell 9, the one end of keeping away from casing 9 of first spring 11 all is connected with fixed block 12, be equipped with gim peg 13 on the fixed block 12, through-hole 10 has been seted up to the position that microphone PCBA board 3 corresponds gim peg 13, gim peg 13 can be fixed microphone PCBA board 3, the below of microphone PCBA board 3 is provided with clamp plate 14, the lower table wall of clamp plate 14 and the last upper surface wall fixed connection of diaphragm 15, the lower table wall of diaphragm 15 passes through telescoping device 16 and casing 9's inner wall fixed connection, telescoping device 16 comprises telescopic link 161 and second spring 162, the outward appearance wall at telescopic link 161 is established to second spring 162 cover, the lower table wall fixed connection of one end and diaphragm 15 of telescopic link 161, and the other end of telescopic link 161 and the inner wall fixed connection of casing 9.

In this embodiment, preferably, the front surface wall of the casing 9 is provided with a power interface 8, and the power interface 8 is a USB interface through which the microphone 17 can be powered.

In this embodiment, it is preferable that the pressing plate 14 has a U-shaped structure, and the inner wall of the pressing plate 14 is provided with anti-slip lines so that the microphone PCBA board 3 can be fixed.

In this embodiment, preferably, the number of the grooves 7 is four, and the four grooves 7 are respectively located at four corners of the back plate 1, so that the back plate 1 and the housing 9 can be fixed more firmly.

In this embodiment, it is preferable that the outer wall of the fixing bolt 13 is sleeved with a rubber sleeve, and the outer wall of the rubber sleeve is provided with anti-slip lines to increase the friction between the palm and the outer wall of the fixing bolt 13, so that the fixing bolt 13 cannot slip between the palms.

In this embodiment, it is preferable that the fixing plate has a T-shape, and the fixing plate is symmetrically disposed through the central axis of the microphone PCBA plate 3, so that the microphone PCBA plate 3 can be fixed.

In this embodiment, preferably, the pitch between the four microphones 17 on the microphone PCBA board 3 is 32mm, the sound pickup hole 19 is in planar contact with the integrated silicone 4, and the integrated silicone 4 is locked with the panel 20 through the 5 positioning holes 18, so that the integrated silicone 4 can be fixed with the panel 20.

In this embodiment, preferably, the integrated silica gel 4 is made of a material with certain softness, the integrated silica gel 4 can absorb shock, and the sound pickup hole 19 of the microphone 17 is 2.5mm in size, so that sound can be picked up through the sound pickup hole 19.

In the embodiment, the PCBA board 3 of the microphone is a PGX type board card sold by Shenzhen Jinyin technology Limited; the microphone 17 is made of 6022P/6027P type microphone sold by Shenzhen crystal Yingshun electronic science and technology Limited.

The working principle is as follows: when the integrated silicon rubber 4 is used, the integrated silicon rubber 4 is buckled with the panel 20, the sound pickup holes 19 are in plane contact with the integrated silicon rubber 4 through the positioning of the convex cylinders 5, the integrated silicon rubber 4 is locked with the panel 20 through the positioning holes 18, the panel 20, the integrated silicon rubber 4 and the microphone PCBA board 3 can be tightly attached to each other without gaps and interference with the work of the microphone 17, so that the vibration generated by sound is isolated, external noise cannot be conducted to the microphone 17 from the inside, the microphone 17 can only enter from the sound pickup holes 19 of the panel 20 for pickup, the microphone PCBA board 3 is placed on the upper surface wall of the pressing plate 14, the telescopic device 16 moves upwards by pushing the transverse plate 15, the transverse plate 15 drives the pressing plate 14 to move upwards to enable the microphone PCBA board 3 to be overlapped with the lower surface wall of the stop block 2, the fixing block 12 can fix the microphone PCBA board 3 through the fixing bolts 13, the first spring 11 can absorb shock for the microphone PCBA board 3, the vibration generated by the sounding of the sound equipment can be isolated, and the voice recognition rate is ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An intelligent voice sound equipment of four microphone arrays, includes casing (9), its characterized in that: the casing (9) is connected with the backboard (1) in a clamping manner, the backboard (1) is fixedly installed on the inner wall of the casing (9) through a bolt (6), a groove (7) is formed in the position, corresponding to the bolt (6), of the backboard (1), a microphone PCBA board (3) is arranged in the casing (9), a microphone (17) is arranged on the rear surface wall of the microphone PCBA board (3), a panel (20) is arranged on the position, corresponding to the microphone PCBA board (3), of the backboard (1), a sound pick-up hole (19) is formed in the position, corresponding to the microphone (17), of the panel (20), an integrated silica gel (4) is arranged on the front surface of the microphone PCBA board (3), the integrated silica gel (4) is buckled with the panel (20), a convex cylinder (5) is arranged on the rear surface wall of the panel (20), a stop block (2) is arranged above the microphone PCBA board (3), and the stop block (2) is fixedly connected with the inner wall of the casing (9, the two sides of the inner wall of the shell (9) are fixedly connected with two first springs (11) respectively, one ends of the first springs (11) far away from the shell (9) are connected with a fixed block (12), fixed bolts (13) are arranged on the fixed block (12), through holes (10) are formed in the positions, corresponding to the fixed bolts (13), of the microphone PCBA board (3), a pressing plate (14) is arranged below the microphone PCBA board (3), the lower surface wall of the pressing plate (14) is fixedly connected with the upper surface wall of a transverse plate (15), the lower surface wall of the transverse plate (15) is fixedly connected with the inner wall of the shell (9) through a telescopic device (16), the telescopic device (16) is composed of a telescopic rod (161) and a second spring (162), the outer surface wall of the telescopic rod (161) is sleeved with the second spring (162), one end of the telescopic rod (161) is fixedly connected with the lower surface wall of the transverse plate (15), and the other end of the telescopic rod (161) is fixedly connected with the inner wall of the shell (9).

2. The intelligent voice sound equipment of the four-microphone array as claimed in claim 1, wherein: the front surface wall of the shell (9) is provided with a power interface (8), and the power interface (8) is a USB interface.

3. The intelligent voice sound equipment of the four-microphone array as claimed in claim 1, wherein: the pressing plate (14) is of a U-shaped structure, and anti-skid grains are arranged on the inner wall of the pressing plate (14).

4. The intelligent voice sound equipment of the four-microphone array as claimed in claim 1, wherein: the number of the grooves (7) is four, and the four grooves (7) are respectively positioned at four corners of the back plate (1).

5. The intelligent voice sound equipment of the four-microphone array as claimed in claim 1, wherein: the outer wall cover of gim peg (13) is equipped with the rubber sleeve, the outer wall of rubber sleeve is provided with anti-skidding line.

6. The intelligent voice sound equipment of the four-microphone array as claimed in claim 1, wherein: four microphones (17) interval is 32mm on microphone PCBA board (3), pick up sound hole (19) and integration silica gel (4) plane contact, integration silica gel (4) are locked through 5 locating hole (18) and panel (20).

7. The intelligent voice sound equipment of the four-microphone array as claimed in claim 1, wherein: the integrated silica gel (4) is made of a material with certain softness, and the size of the sound pick-up hole (19) of the microphone (17) is 2.5 mm.