CN215072865U

CN215072865U - Sound signal acquisition device

Info

Publication number: CN215072865U
Application number: CN202023310030.2U
Authority: CN
Inventors: 蔡绍滨
Original assignee: Nanjing Hongsheng Technology Co ltd
Current assignee: Nanjing Hongsheng Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-12-07
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a sound signal acquisition device, including mount pad, sound collector body, shield and connecting wire, the mount pad is the ring structure, mount pad upper surface diameter is less than lower surface diameter, the inside fixedly connected with sound collector body of mount pad, sound collector body is embedded in the mount pad, mount pad upper surface swing joint has the shield, the fixed sound collection hole that is provided with of shield upper surface, the mount pad surface is the fixed three mounting hole that is provided with respectively, the utility model discloses a set up the shield, set up the sound collection hole on the shield upper surface, the internal surface sets up the filter screen, the filter screen diameter is greater than the sound collection hole diameter, uses the filter screen effectively to surround the sound collection hole, effectively blocks the dust infiltration, and shield surface fixed is provided with the buckle simultaneously, through the block swing joint mount pad of buckle and draw-in groove, the sound collector body is convenient to disassemble and clean and the filter screen is convenient to replace.

Description

Sound signal acquisition device

Technical Field

The utility model relates to a relevant technical field of security protection specifically is a sound signal collection system.

Background

The sound signal collection system is a security protection equipment used for security protection, restore the real looks in the scene, also called the adapter, the monitor, use with the monitoring video equipment is supporting, can record the on-the-spot sound, restore the real looks in the scene, the adapter generally divide into digital adapter and simulation adapter, the digital adapter is exactly through the sound sensing equipment that digital signal processing system converts the audio signal of simulation into digital signal and carry out corresponding digital signal processing, the simulation adapter is just the sound of gathering with general analog circuit amplification miaow head, however, current device still has following shortcoming needs:

1. when the existing sound signal acquisition device is used, the sound acquisition holes are directly arranged on the surface of the upper cover of the collector, dust easily enters from the sound acquisition holes after long-time use, and the whole device is required to be detached for cleaning due to the trouble of cleaning.

2. The existing sound signal acquisition device is complex to install, the equipment is very troublesome in that the equipment needs to change the angle and the direction of the equipment once the equipment is installed, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sound signal collection system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sound signal collection system, includes mount pad, sound collector body, shield and connecting wire, the mount pad is ring annular structure, mount pad upper surface diameter is less than the lower surface diameter, the inside fixedly connected with sound collector body of mount pad, the sound collector body is embedded in the mount pad, mount pad upper surface swing joint has the shield, the fixed surface is provided with sound collection hole on the shield, the mount pad surface is the fixed three mounting hole that is provided with respectively, the rectangular channel has been seted up to mount pad bottom one side is fixed.

Preferably, the sound collector body comprises a low noise processing chip and a DTS noise reduction processing circuit, the sound collector body is fixedly provided with a connecting wire, and the connecting wire penetrates through the rectangular groove.

Preferably, the connecting line includes three lines, the three lines are respectively an audio output, a common ground and a power supply positive electrode, and the three lines of the audio output, the common ground and the power supply positive electrode are respectively white, black and red.

Preferably, the sound collector body is fixedly connected with a direct current power supply and a host device through a connecting wire, the direct current power supply comprises an anode and a cathode, the host device comprises an audio signal and an audio ground wire which are connected with each other, the anode of the power supply is fixedly connected with the anode of the direct current power supply, the cathode of the common ground is fixedly connected with the audio ground wire end of the host device, and the audio output is fixedly connected with the audio signal of the host device.

Preferably, the shield has certain thickness, the internal surface fixed connection of shield has the filter screen, the filter screen diameter is greater than sound collection hole diameter, the shield lower surface is fixed a plurality of buckle that is provided with respectively all around, the mount pad upper surface corresponds fixed a plurality of draw-in groove that is provided with, the shield passes through buckle and draw-in groove block swing joint mount pad.

Preferably, a plurality of echo cancellation cavities are fixedly arranged on the upper surface of the dust cover around the sound collection hole.

The utility model provides a sound signal collection system possesses following beneficial effect:

(1) the utility model discloses a set up the shield, set up the sound collection hole on the shield upper surface, the internal surface sets up the filter screen, and the filter screen diameter is greater than the sound collection hole diameter, uses the filter screen to effectively surround the sound collection hole, effectively blocks the dust infiltration, and the fixed surface is provided with the buckle under the shield simultaneously, through the block swing joint mount pad of buckle and draw-in groove, the clean sound collector body of convenient to detach and change the filter screen.

(2) The utility model discloses a set up the mount pad and be used for installing fixed sound collector body, be provided with three mounting hole on the mount pad, three mounting hole is triangle-shaped equidistance and distributes, and structure scientific and reasonable connects stably, only needs selected position to use the bolt fastening can accomplish the installation, and simple structure installs conveniently, and it is all very convenient that follow-up dismantlement is changed.

Drawings

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

FIG. 2 is a schematic structural view of the dust cap of the present invention;

fig. 3 is a schematic view of the connection of the sound collector body of the present invention.

In the figure: 1. a sound collector body; 2. a mounting seat; 3. mounting holes; 4. a dust cover; 5. a rectangular groove; 6. a connecting wire; 7. outputting audio; 8. a common ground; 9. a power supply positive electrode; 10. a sound collection hole; 11. a filter screen; 12. an echo cancellation concave cavity; 13. buckling; 14. a host device; 15. an audio ground wire; 16. an audio signal; 17. a direct current power supply.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below by using specific embodiments and accompanying drawings, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connecting," "fixed," and the like are used in a broad sense, and for example, the terms "connected," "connected," and "fixed" may be fixedly connected, detachably connected, or integrated, mechanically connected, electrically connected, directly connected, indirectly connected through intervening elements, connected between two elements, or interacting between two elements.

As shown in fig. 1-3, the utility model provides a technical scheme: the utility model provides a sound signal collection system, includes mount pad 2, sound collector body 1, shield 4 and connecting wire 6, mount pad 2 is the annular structure of circle, 2 upper surface diameters of mount pad are less than the lower surface diameter, 2 inside fixedly connected with sound collector bodies 1 of mount pad, sound collector body 1 is embedded in

mount pad

2, 2 upper surface swing joint of mount pad have shield 4, the fixed surface is provided with sound collection hole 10 on

shield

4, 2 outer surfaces of mount pad are the fixed three mounting hole 3 that is provided with respectively, 2 bottom one side of mount pad are fixed has seted up rectangular channel 5.

Sound collector body 1 includes that low noise handles chip and DTS fall the treatment circuit of making an uproar, sound collector body 1 is fixed to be provided with connecting wire 6, connecting wire 6 passes rectangular channel 5, and the extension of the connecting wire 6 of being convenient for avoids connecting wire 6 with 2 jack-ups of mount pad, influences the 3 horizontally connect of mounting hole.

The connecting wire 6 comprises three circuits, wherein the three circuits are respectively an audio output 7, a common ground 8 and a power positive electrode 9, and the three circuits of the audio output 7, the common ground 8 and the power positive electrode 9 are respectively white, black and red, so that the circuit connection is facilitated and the resolution is facilitated.

Sound collector body 1 is through 6 fixedly connected with DC power supply 17 of connecting wire and host computer equipment 14, DC power supply 17 includes two interfaces of anodal, negative pole, host computer equipment 14 includes

audio signal

16 and 15 even interfaces of audio frequency ground wire, the anodal 9 fixed connection DC power supply 17 positive terminals of power, 8 fixed connection DC power supply 17 negative terminals and host computer equipment 14's audio frequency ground wire 15 ends publicly, 7 fixed connection host computer equipment 14's audio signal 16 of audio output, the sound collector body 1 operation of being convenient for.

Dust cap 4 has certain thickness, 4 internal surface fixedly connected with filter screens 11 of dust cap, filter screen 11 diameter is greater than sound collection hole 10 diameter, 4 lower surfaces of dust cap are fixed respectively all around and are provided with a plurality of

buckle

13, 2 upper surfaces of mount pad correspond fixedly and are provided with a plurality of draw-in groove, dust cap 4 passes through buckle 13 and draw-in groove block swing joint mount pad 2, and filter screen 11 effectively surrounds sound collection hole 10, effectively blocks the dust infiltration, and the clean sound collector body of convenient to detach 1 and change filter screen 11.

The upper surface of the dustproof cover 4 is fixedly provided with a plurality of echo cancellation cavities 12 around the sound collection hole 10, so that serious echoes in an open room are effectively reduced, and a good sound receiving effect is realized.

The utility model discloses a theory of operation: at first, by the artifical position of stopping ground removal sound collector body 1, the sound intensity of every position receipt of receiving end record, the strongest position of selective signal, insert 3 fixed connection mount pads 2 of mounting hole with the bolt, thereby fixed mounting sound collector body 1, pull out connecting wire 6 from rectangular channel 5 of mount pad 2 one side, with the anodal 9 fixed connection DC power supply 17 positive pole end of red line power, 8 fixed connection DC power supply 17 negative pole ends and host computer equipment 14's audio frequency ground wire 15 ends on the public ground of black line, 7 fixed connection host computer equipment 14's audio signal 16 of white line audio output, the inspection the utility model discloses an installation is fixed and the line connection protection, then just can use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sound signal collection device, characterized in that: including mount pad (2), sound collector body (1), shield (4) and connecting wire (6), mount pad (2) are the ring annular structure, mount pad (2) upper surface diameter is less than lower surface diameter, mount pad (2) inside fixedly connected with sound collector body (1), sound collector body (1) is embedded in mount pad (2), mount pad (2) upper surface swing joint has shield (4), shield (4) upper surface is fixed and is provided with sound collection hole (10), mount pad (2) surface is fixed three mounting hole (3) that is provided with respectively, rectangular channel (5) have been seted up to mount pad (2) bottom one side is fixed.

2. A sound signal collection device according to claim 1, wherein: sound collector body (1) is including low noise processing chip and DTS noise reduction processing circuit, sound collector body (1) is fixed and is provided with connecting wire (6), rectangular channel (5) are passed in connecting wire (6).

3. A sound signal collection device according to claim 1, wherein: the connecting wire (6) comprises three lines, the three lines are respectively an audio output (7), a common ground (8) and a power supply anode (9), and the three lines of the audio output (7), the common ground (8) and the power supply anode (9) are respectively white, black and red.

4. A sound signal collection device according to claim 3, wherein: the sound collector body (1) is fixedly connected with a direct-current power supply (17) and a host device (14) through a connecting wire (6), the direct-current power supply (17) comprises two interfaces of a positive electrode and a negative electrode, the host device (14) comprises an audio signal (16) and an audio ground wire (15) which are connected with each other, the positive electrode of the power supply (9) is fixedly connected with the positive electrode end of the direct-current power supply (17), the negative electrode of the common ground (8) is fixedly connected with the audio ground wire (15) end of the host device (14), and the audio signal (16) of the audio output (7) is fixedly connected with the host device (14).

5. A sound signal collection device according to claim 1, wherein: shield (4) have certain thickness, fixed surface is connected with filter screen (11) in shield (4), filter screen (11) diameter is greater than sound collection hole (10) diameter, shield (4) lower surface is fixed a plurality of buckle (13) that is provided with respectively all around, mount pad (2) upper surface corresponds fixed a plurality of draw-in groove that is provided with, shield (4) are through buckle (13) and draw-in groove block swing joint mount pad (2).

6. A sound signal collection device according to claim 1, wherein: the upper surface of the dust cover (4) is fixedly provided with a plurality of echo cancellation cavities (12) around the sound collection hole (10).