CN220524229U

CN220524229U - Active silencing air outlet

Info

Publication number: CN220524229U
Application number: CN202322190712.1U
Authority: CN
Inventors: 黄先政
Original assignee: Sichuan Xinmu Ventilation Equipment Co ltd
Current assignee: Sichuan Xinmu Ventilation Equipment Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-02-23
Anticipated expiration: 2033-08-15

Abstract

The application relates to an actively silencing air outlet, and belongs to the field of air outlet silencing technology. The wind-driven generator comprises a frame body, a plurality of guide vanes arranged on the frame body, a mounting frame and a driving muffler, wherein the mounting frame is detachably arranged on one side of the frame body, facing to an exhaust pipeline, the mounting frame is a net frame and is arranged on the mounting frame, the driving muffler is arranged in the mounting frame and is used for outputting sound signals with the same amplitude and opposite phases with wind noise signals at an air outlet. The air outlet noise-reducing device has the effect of improving the problem that the noise of the air outlet is large.

Description

Active silencing air outlet

Technical Field

The application relates to the field of air outlet noise elimination technology, in particular to an active noise elimination air outlet.

Background

The air outlet is an indispensable part in the building and is used for exhausting indoor polluted air and keeping indoor air fresh and circulating. The types of air outlets are various, and common air outlets include a ceiling air outlet, a wall air outlet and the like.

Because wind noise can be formed when the air flow flows in the air flow channel, when the air flow speed is large, the air outlet can discharge large noise, and the normal work and life of indoor personnel are influenced.

Disclosure of Invention

In order to solve the problem that the noise of the air outlet is large, the application provides an active noise elimination air outlet.

The application provides an actively silencing air outlet adopts following technical scheme:

the utility model provides an actively silencing's air outlet, includes the framework and sets up the multi-disc guide vane on the framework, still includes mounting bracket, installing frame and initiative silencer, the mounting bracket can dismantle the setting in the framework one side towards exhaust duct, the installing frame is the frame and sets up on the mounting bracket, initiative silencer sets up in the installing frame, initiative silencer is used for exporting the sound signal the same, opposite phase of wind noise signal amplitude with air outlet department.

Optionally, the initiative silencer includes shell, sound collection equipment, controller and sound generating device, the shell sets up in the installing frame, be provided with the ventilation hole on the shell, sound collection equipment, controller and sound generating device all set up in the shell, the controller is all electrically connected with sound collection equipment, sound generating device.

Optionally, the mounting frame is connected with the frame body through bolts.

Optionally, the both ends of guide vane all are provided with the joint piece, the joint piece at guide vane both ends respectively with the both sides joint of framework.

Optionally, the clamping grooves for clamping the clamping pieces are formed in the frames on two sides of the frame body, which face the exhaust pipeline, and the frame body is provided with a self-locking piece which is used for fixing and limiting the clamping pieces clamped into the clamping grooves.

Optionally, the self-locking piece includes steel ball and spring, the self-locking groove has all been seted up on the upper and lower both sides wall of joint groove, the diapire slope in self-locking groove sets up, the self-locking groove is shallow towards exhaust duct's one side degree of depth, keep away from exhaust duct's one side degree of depth is dark, the steel ball is arranged in the self-locking groove, spring one end is connected with the steel ball, the other end is connected with the lateral wall from the locking groove, the spring makes the steel ball have the trend of moving towards exhaust duct direction all the time in the joint groove, the steel ball has the magnetic conductivity.

Optionally, the steel ball external joint is provided with the spacing ring, offer on the lateral wall of self-locking groove with spacing tank bottom wall parallel spout, spacing ring and spout sliding connection.

Optionally, the self-locking parts are arranged on both sides of the frame body

In summary, the present application includes at least one of the following beneficial technical effects:

1. the active muffler is arranged on one side of the frame body, facing the exhaust pipeline, and can output sound signals with the same amplitude and opposite phases with the wind noise signals of the air outlet, so that the sound emitted by the active muffler is counteracted with the wind noise signals of the air outlet, the effect of actively reducing the noise of the air outlet is achieved, and the problem that the larger noise of the air outlet affects the work and life of indoor personnel is solved;

2. when the active muffler is used for a period of time, a large amount of dust is attached to the active muffler, and the active muffler needs to be cleaned or replaced. The conventional replacement method is that the whole frame body is taken down from the wall body, and then the active muffler is replaced; the guide vanes are installed through the self-locking parts, when the active muffler is replaced, the frame body can not be taken down from the wall body, only the guide vanes in front of the active muffler are required to be taken down, after the active muffler is replaced, the guide vanes are clamped into the frame body, the self-locking parts clamp and fix the guide vanes, and therefore the active muffler is convenient to detach and install under the condition that the frame body is not taken down.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present application.

Fig. 2 is a cross-sectional view for showing the structure of the self-locking member in the embodiment of the present application.

Reference numerals illustrate:

1. a frame; 11. a clamping groove; 12. a self-locking groove; 13. a chute; 2. a guide vane; 21. a clamping piece; 3. a mounting frame; 4. a mounting frame; 5. an active muffler; 61. steel balls; 62. a spring; 63. and a limiting ring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-2.

The embodiment of the application discloses initiative sound-deadening's air outlet, refer to fig. 1, an initiative sound-deadening's air outlet includes framework 1 and arranges the multi-disc guide vane 2 of installing on framework 1, and framework 1 is rectangular frame, and framework 1 installs on the wall body and is located exhaust duct's wind gap department, and framework 1 and guide vane 2 are all made by the aluminum alloy. The air outlet still includes mounting bracket 3, installing frame 4 and initiative silencer 5, and mounting bracket 3 is made by two aluminum alloy strips, and the one end of two mounting brackets 3 is respectively through bolt demountable installation in the both sides of framework 1, and installing frame 4 connects the other end at two mounting brackets 3, and the installing frame 3 sets up in the one side of framework 1 towards exhaust duct, and installing frame 4 is arranged in exhaust duct. The installation frame 4 is a ventilated net frame, the active muffler 5 is installed in the installation frame 4, and the active muffler 5 is used for outputting sound signals with the same amplitude and opposite phases with the wind noise signals at the air outlet.

Through installing the initiative silencer 5 in the side of the casing 1 in towards exhaust duct, initiative silencer 5 can output the sound signal the same as air outlet wind noise sound signal amplitude, opposite phase to the sound that initiative silencer 5 sent offsets with the wind noise sound signal of wind gap department, reaches the effect of making an uproar falls in initiative to wind gap department, has improved the great noise of wind gap department and has caused the problem of influence to indoor personnel's work life.

Referring to fig. 1, the active muffler 5 is a common active muffler device on the market, and includes a housing, a sound collecting device, a controller and a sound generating device (all not shown in the figure), where a vent hole is provided on the housing, the housing is installed in the installation frame 4, the sound collecting device, the controller and the sound generating device are all installed in the housing, the controller is electrically connected with the sound collecting device and the sound generating device, the sound collecting device is used for collecting a wind noise type number at the air outlet, the sound collecting device transmits the collected sound signal to the controller, the controller processes the sound signal and transmits the processed control signal to the sound generating device, and the sound generating device generates and emits a sound signal with the same amplitude and opposite phase to the ambient sound signal. Therefore, the sound emitted by the sound generating equipment is counteracted with the wind noise signal at the air outlet, and the effect of active noise reduction is achieved.

Referring to fig. 1 and 2, both ends of the guide vane 2 are provided with the engaging pieces 21, the engaging pieces 21 are rectangular, and the length direction of the engaging pieces 21 is the same as the length direction of the guide vane 2. Clamping grooves 11 for clamping the clamping pieces 21 are formed in frames on two sides of the frame body 1, which face the exhaust pipeline, the clamping grooves 11 penetrate through one side of the exhaust pipeline, self-locking pieces are arranged on the frame body 1 and used for fixing and limiting the clamping pieces 21 clamped in the clamping grooves 11. The self-locking parts are arranged on the frames on two sides of the frame body 1, and the self-locking parts clamp and fix the clamping pieces 21 at two ends of the guide vane 2 on the frame body 1, so that the guide vane 2 can be conveniently installed and detached. When the active muffler 5 is used for a period of time, a large amount of dust adheres to the active muffler 5, and at this time, the active muffler 5 needs to be cleaned or replaced. The conventional replacement method is that the whole frame body 1 is taken down from a wall body, and then the active muffler 5 is replaced; and install guide vane 2 through the auto-lock spare, when changing initiative silencer 5, need not to take off whole framework 1 from the wall body, only need take off many guide vanes 2 in initiative silencer 5 the place ahead can, after the completion of initiative silencer 5 is changed, go into guide vane 2 card to framework 1, the auto-lock spare carries out chucking to guide vane 2 fixedly to be convenient for dismantle the installation to initiative silencer 5 under the condition of not taking off framework 1.

Referring to fig. 1 and 2, the self-locking member includes a steel ball 61 and a spring 62, a self-locking groove 12 is formed on the upper and lower side walls of the frame 1 and located on the clamping groove 11, and the bottom wall of the self-locking groove 12 is obliquely arranged, that is, the cross section of the self-locking groove 12 is right trapezoid, and the depth of one side of the self-locking groove 12 facing the exhaust pipe is shallow, and the depth of one side of the self-locking groove facing away from the exhaust pipe is deep. The steel ball 61 is positioned in the self-locking groove 12, and the diameter of the steel ball 61 is larger than the depth of the shallowest end of the self-locking groove 12 and smaller than the depth of the deepest end of the self-locking groove 12. One end of the spring 62 is connected with the steel ball 61, and the other end is connected with the side wall of the self-locking groove 12, and the spring 62 enables the steel ball 61 to always have a trend of moving towards the exhaust pipeline direction in the clamping groove 11. The steel ball 61 is externally clamped and provided with a limiting ring 63, the limiting ring 63 is an annular plate body, the inner side of the limiting ring 63 is arc-shaped and is attached to the steel ball 61, and the steel ball 61 is rotationally clamped in the limiting ring 63. A chute 13 parallel to the bottom wall of the limiting groove is arranged on the two side walls of the self-locking groove 12, and the two sides of the limiting ring 63 are in sliding connection with the chute 13. The limiting ring 63 can only move along the direction of the sliding groove 13, so that the steel ball 61 always moves along the direction of the sliding groove 13, and one side of the steel ball 61 always keeps abutting against the bottom wall of the self-locking groove 12.

When the guide vane 2 is installed, the clamping pieces 21 at the two ends of the guide vane 2 are opposite to the clamping grooves 11 at the two sides of the frame body 1, and the guide vane 2 is pressed towards the inside of the frame body 1, so that the two clamping pieces 21 are respectively inserted into the two clamping grooves 11. In the process of inserting the clamping piece 21 into the clamping groove 11, the steel balls 61 are pushed to move, and as the depth of one side of the locking groove 12 facing the exhaust pipeline is shallow and the depth of one side of the locking groove away from the exhaust pipeline is deep, the clamping piece 21 can push the steel balls 61 to move towards one end of the locking groove 12 with the deep depth, at the moment, the gap between the steel balls 61 on the upper side and the lower side of the clamping piece 21 has a reduced trend, and the clamping piece 21 can be smoothly inserted into the clamping groove 11. The steel balls 61 always have a trend of moving towards one side of the exhaust pipe under the action of the springs 62, so that one side of the steel balls 61 always keeps against the bottom wall of the self-locking groove 12, and the other side of the steel balls keeps against the clamping piece 21, and at this time, when the clamping piece 21 has a trend of moving towards the outside of the frame body 1, the two steel balls 61 clamp the clamping piece 21 on the frame body 1, so that the clamping piece 21 cannot be separated from the frame body 1. Therefore, when the guide vane 2 is installed, the clamping pieces 21 at two ends of the guide vane 2 are clamped into the clamping grooves 11 on the frame body 1, other fixing means are not needed, the guide vane 2 is installed quickly and conveniently, and the installation efficiency is improved. The steel balls 61 are made of magnetically conductive metal and have magnetism conductivity, when the corresponding guide vane 2 needs to be removed, a magnet is placed on one side (namely the outer side of the wall) of the frame body 1, which is away from the exhaust pipeline, and is opposite to the guide vane 2 to be removed, at the moment, the magnet adsorbs the steel balls 61, so that the steel balls 61 move towards one side with deep depth from the locking groove 12, and the two steel balls 61 are separated from the clamping piece 21, thereby the guide vane 2 can be directly removed, and the effect of conveniently removing the guide vane 2 is achieved. In daily use, the situation that part of guide vanes 2 are impacted by external objects to deform or break can be met, damaged guide vanes 2 can be replaced in a targeted mode, the whole air outlet is not required to be replaced, and convenience and rapidness in replacement are achieved. Meanwhile, when the active muffler 5 is cleaned and replaced, the air outlet is not required to be integrally taken down, and only the guide vanes 2 blocking the active muffler 5 are required to be taken down, so that the active muffler 5 is cleaned and replaced conveniently.

The implementation principle of the active silencing air outlet provided by the embodiment of the application is as follows: through installing the initiative silencer 5 in the side of the casing 1 in towards exhaust duct, initiative silencer 5 can output the sound signal the same as air outlet wind noise sound signal amplitude, opposite phase to the sound that initiative silencer 5 sent offsets with the wind noise sound signal of wind gap department, reaches the effect of making an uproar falls in initiative to wind gap department, has improved the great noise of wind gap department and has caused the problem of influence to indoor personnel's work life.

Finally, it should be noted that: in the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and for simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides an actively noise elimination's air outlet, includes framework (1) and sets up multi-disc guide vane (2) on framework (1), its characterized in that: still include mounting bracket (3), installing frame (4) and initiative silencer (5), installing bracket (3) can dismantle the setting in one side of framework (1) towards exhaust duct, installing frame (4) are the net frame and set up on mounting bracket (3), initiative silencer (5) set up in installing frame (4), initiative silencer (5) are used for exporting the sound signal the same, opposite phase of wind noise signal amplitude with air outlet department.

2. The actively muffling air outlet of claim 1, wherein: the active muffler (5) comprises a shell, sound collecting equipment, a controller and a sound generating device, wherein the shell is arranged in a mounting frame (4), a vent hole is formed in the shell, the sound collecting equipment, the controller and the sound generating device are all arranged in the shell, and the controller is electrically connected with the sound collecting equipment and the sound generating device.

3. The actively muffling air outlet of claim 1, wherein: the mounting frame (3) is connected with the frame body (1) through bolts.

4. The actively muffling air outlet of claim 1, wherein: the two ends of the guide vane (2) are respectively provided with a clamping piece (21), and the clamping pieces (21) at the two ends of the guide vane (2) are respectively clamped with the two sides of the frame body (1).

5. The actively muffling air outlet of claim 4, wherein: the automatic air exhaust device is characterized in that clamping grooves (11) for clamping the clamping pieces (21) are formed in frames on two sides, facing the exhaust pipeline, of the frame body (1), self-locking pieces are arranged on the frame body (1) and used for fixing and limiting the clamping pieces (21) clamped into the clamping grooves (11).

6. The actively muffling air outlet of claim 5, wherein: the self-locking piece comprises steel balls (61) and springs (62), self-locking grooves (12) are formed in the upper side wall and the lower side wall of the clamping groove (11), the bottom wall of the self-locking groove (12) is obliquely arranged, the self-locking groove (12) is shallow in depth towards one side of the exhaust pipe and deep in depth away from one side of the exhaust pipe, the steel balls (61) are located in the self-locking groove (12), one ends of the springs (62) are connected with the steel balls (61), the other ends of the springs are connected with the side walls of the self-locking groove (12), the springs (62) enable the steel balls (61) to always have a trend of moving towards the direction of the exhaust pipe in the clamping groove (11), and the steel balls (61) have magnetic conductivity.

7. The actively muffling air outlet of claim 6, wherein: the steel ball (61) is externally clamped and provided with a limiting ring (63), a chute (13) parallel to the wall of the bottom of the limiting groove is formed in the side wall of the self-locking groove (12), and the limiting ring (63) is in sliding connection with the chute (13).

8. The actively muffling air outlet of claim 7, wherein: the self-locking parts are arranged on two sides of the frame body (1).