CN217283358U

CN217283358U - Simulation nozzle

Info

Publication number: CN217283358U
Application number: CN202123389737.1U
Authority: CN
Inventors: 向阳; 王昌军; 李继根; 孔丽莉; 向天旭; 向天霁
Original assignee: Jiangsu Hongdun Intelligent Equipment Co ltd
Current assignee: Jiangsu Hongdun Intelligent Equipment Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-23
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to an acoustoelectric technology field discloses an emulation mouth, including the front shroud, the lower extreme of fixed block in the middle of the second is connected to the inboard upper end fixed connection of front shroud, the upper end of fixed block is provided with fixed block in the middle of the second, the upper end of fixed block is provided with the solid fixed ring of loudspeaker in the middle of the first. The utility model discloses in, at first will measure the external computer of artifical mouth through the fixed connection piece and connect, then can fix a position first middle fixed block through loudspeaker unable adjustment base, the PCB retaining ring is fixed the PCB board, later fix first middle fixed block through the fixed block in the middle of the second, sound after the fixed block is enlargied in the middle of the second is received first middle fixed block and is passed through built-in magnetic field again, make sound play away outward, adopt and settle near the small-size pressure type microphone in sound outlet, insert signal source compression circuit, with the invariable purpose of the acoustic pressure output that reaches control emulation mouth, be difficult to break down.

Description

Simulation mouth

Technical Field

The utility model relates to an acoustoelectric technology field especially relates to an emulation mouth.

Background

The artificial mouth is a special artificial sound source, also called artificial mouth or artificial mouth, it is formed by installing a small loudspeaker on the baffle of special shape, the design of the baffle shape is to make it imitate the average directivity and radiation pattern of the human mouth, and the artificial mouth must have constant sound pressure output, the domestic commonly used artificial mouth has model 4216, model 4219 of BK company and model NZ1 of the country's type artificial mouth, the artificial mouth also needs to add the frequency compensation network or sound compression, in order to reach certain sound frequency response, the artificial mouth is used for imitating the test under the actual working condition or calibrating the electroacoustical characteristic of the microphone, the artificial mouth must have constant sound pressure output, in order to guarantee the constant sound pressure output, adopt two kinds of methods in the artificial mouth used: a passive equalizer is arranged in the circuit of the simulated mouth amplifier for compensation or a small pressure type microphone arranged near the sound outlet is adopted to be connected into a signal source compression loop so as to control the sound pressure output of the simulated mouth to be constant.

The artificial mouth for measurement on the market has high distortion, continuous sound pressure level at the position 25mm away from the lip ring exceeds 110 decibels and is single frequency, and circuit faults are easy to occur, and the artificial mouth is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an artificial mouth.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides an emulation mouth, includes the front shroud, the lower extreme of fixed block in the middle of the second is connected to the inboard upper end fixed connection of front shroud, the upper end of fixed block is provided with fixed block in the middle of the second, the upper end of fixed block is provided with the solid fixed ring of loudspeaker in the middle of the first, the outside of fixed block is provided with upper and lower fixed block in the middle of the first, the upper end fixed connection of upper and lower fixed block is at loudspeaker unable adjustment base's lower extreme, the upper end of front shroud is provided with the cavity, upper portion fixedly connected with PCB board in loudspeaker unable adjustment base's the inboard, and the upper end fixed connection of PCB board is at the inboard top middle part of cavity.

As a further description of the above technical solution:

and a waterproof layer is arranged on the inner side of the front cover.

As a further description of the above technical solution:

and a steel ring is arranged in the middle of the upper end of the front cover.

As a further description of the above technical solution:

the inboard of the solid fixed ring of loudspeaker is provided with the loudspeaker body.

As a further description of the above technical solution:

the middle lower part of the inner side of the horn fixing base is provided with a PCB fixing ring.

As a further description of the above technical solution:

the lower extreme fixedly connected with of front shroud places the seat.

As a further description of the above technical solution:

and a wiring port is arranged on one side of the middle part of the outer side of the cavity.

As a further description of the above technical solution:

and a fixed connecting block is arranged on the other side of the middle part of the outer side of the cavity.

The utility model discloses following beneficial effect has:

the utility model discloses in, at first will measure the external computer of artifical mouth through the fixed connection piece and connect, then can fix a position first middle fixed block through loudspeaker unable adjustment base, the PCB retaining ring is fixed the PCB board, later fix first middle fixed block through the fixed block in the middle of the second, sound after the fixed block is enlargied in the middle of the second is received first middle fixed block is through built-in magnetic field again, make sound play away outward, adopt to settle near the small-size pressure type microphone in sound outlet, insert signal source compression circuit, the purpose of the acoustic pressure output invariant with reaching control emulation mouth is difficult to break down, it is more convenient to use.

Drawings

Fig. 1 is a side view of an artificial mouth provided by the present invention;

fig. 2 is a bottom view of the simulation nozzle provided by the present invention;

fig. 3 is an exploded view of the inner structure of a simulation nozzle provided by the present invention;

fig. 4 is a cross-sectional view of the inner structure of the front cover of the simulation nozzle provided by the present invention.

Illustration of the drawings:

1. a front cover; 2. fixing a connecting block; 3. a cavity; 4. a PCB board; 5. a horn fixing base; 6. a first intermediate fixed block; 7. a horn fixing ring; 8. a second intermediate fixed block; 9. an upper fixing block and a lower fixing block; 10. a steel ring; 11. a PCB fixing ring; 12. a wiring port; 13. a waterproof layer; 14. a placing seat; 15. a horn body.

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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a simulation nozzle comprises a front cover 1, the upper end of the inner side of the front cover 1 is fixedly connected with the lower end of a second middle fixing block 8, the upper end of the second middle fixing block 8 is provided with a first middle fixing block 6, the upper end of the first middle fixing block 6 is provided with a horn fixing ring 7, a horn body 15 is fixed through the horn fixing ring 7, the damage of the device caused by the shaking of the horn body 15 in the device is prevented, the outer side of the first middle fixing block 6 is provided with an upper fixing block 9 and a lower fixing block 9, the upper ends of the upper fixing block 9 and the lower fixing block 9 are fixedly connected with the lower end of a horn fixing base 5, the upper part and the lower part of an electric device in the device are fixedly connected through the upper fixing block 9 and the lower fixing block 9, the shaking or unstable connection of the electric device is prevented, the upper end of the front cover 1 is provided with a cavity 3, and the electric elements in the simulation nozzle are protected through the front cover 1 and the cavity 3, upper portion fixedly connected with PCB board 4 in loudspeaker unable adjustment base 5's the inboard, and the upper end fixed connection of PCB board 4 is at the inboard top middle part of cavity 3, controls the circuit of whole device through PCB board 4, conveniently controls the electric power system of whole device through PCB board 4, connects fixedly through PCB solid fixed ring 11 and cavity 3 to PCB board 4, prevents that it from taking place to rock and the device that arouses in the device is damaged.

The inner side of the front cover 1 is provided with a waterproof layer 13, the waterproof layer 13 is used for waterproof protection of an electric device in the simulation mouth, and the device damage caused by the external water entering the device is prevented, the middle part of the upper end of the front cover 1 is provided with a steel ring 10, the front cover 1 is connected with a second middle fixed block 8 through the steel ring 10, the inner side of a horn fixed ring 7 is provided with a horn body 15, the sound of the simulation mouth is discharged outside through the horn body 15, the middle-lower part of the inner side of a horn fixed base 5 is provided with a PCB fixed ring 11, a PCB 4 is fixed through the PCB fixed ring 11 and is prevented from shaking in the device, the lower end of the front cover 1 is fixedly connected with a placing seat 14, the device damage caused by the direct contact of the device and a placing surface is prevented through the placing seat 14, one side of the middle part of the outer side of the cavity 3 is provided with a wiring port 12, and the wiring is convenient for the whole device through the wiring port 12, different frequencies can be connected, the other side of the middle part of the outer side of the cavity 3 is provided with a fixed connecting block 2, and the device and external equipment are conveniently connected through the fixed connecting block 2.

The working principle is as follows: at first will measure the external computer of artifical mouth through fixed connection block 2 and connect, then can fix a position first middle fixed block 6 through loudspeaker unable adjustment base 5, the solid fixed ring 11 of PCB fixes PCB board 4, later fix first middle fixed block 6 through fixed block 8 in the middle of the second, sound after fixed block 6 enlargies in the middle of the second is received first middle fixed block 8 and is passed through built-in magnetic field again, make sound play away outward, adopt to settle the small-size pressure type microphone near the phonate hole, insert signal source compression circuit, the purpose of the acoustic pressure output invariant with reaching control emulation mouth is difficult to break down, it is more convenient to use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An emulation mouth, includes front shroud (1), its characterized in that: the lower extreme of fixed block (8) in the middle of the second is fixed to the inboard upper end of front shroud (1), the upper end of fixed block (8) in the middle of the second is provided with fixed block (6) in the middle of the first, the upper end of fixed block (6) in the middle of the first is provided with the solid fixed ring of loudspeaker (7), fixed block (9) about the outside of fixed block (6) in the middle of the first is provided with, the upper end fixed connection of upper and lower fixed block (9) is at the lower extreme of loudspeaker unable adjustment base (5), the upper end of front shroud (1) is provided with cavity (3), upper portion fixedly connected with PCB board (4) in the inboard of loudspeaker unable adjustment base (5), and the inboard top middle part of the upper end fixed connection of PCB board (4) at cavity (3).

2. The simulated mouth of claim 1, wherein: and a waterproof layer (13) is arranged on the inner side of the front cover (1).

3. The simulated mouth as claimed in claim 1, wherein: and a steel ring (10) is arranged in the middle of the upper end of the front cover (1).

4. The simulated mouth of claim 1, wherein: the inner side of the horn fixing ring (7) is provided with a horn body (15).

5. The simulated mouth of claim 1, wherein: the middle lower part of the inner side of the horn fixing base (5) is provided with a PCB fixing ring (11).

6. The simulated mouth as claimed in claim 1, wherein: the lower end of the front cover (1) is fixedly connected with a placing seat (14).

7. The simulated mouth of claim 1, wherein: one side of the middle part of the outer side of the cavity (3) is provided with a wiring port (12).

8. The simulated mouth of claim 1, wherein: and a fixed connecting block (2) is arranged on the other side of the middle part of the outer side of the cavity (3).