CN219063743U

CN219063743U - Combined silencing static pressure box

Info

Publication number: CN219063743U
Application number: CN202320089693.0U
Authority: CN
Inventors: 田强
Original assignee: Hangzhou Hengtong Ventilation Equipment Co ltd
Current assignee: Hangzhou Hengtong Ventilation Equipment Co ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-05-23
Anticipated expiration: 2033-01-31

Abstract

The utility model relates to the field of static pressure boxes, in particular to a combined silencing static pressure box, which comprises a static pressure box, wherein a static pressure cavity with a forward opening is arranged in the static pressure box; the static pressure cavity is internally and slidably connected with two movable plates, a plurality of folding plates for silencing are connected between the two movable plates, and the folding plates are in a bending state; according to the utility model, the folding plate is regulated and controlled through the movable plate arranged in the static pressure cavity, so that the folding plate is changed in the overlapping state, the silencing strength is controlled, the timely adjustment of the pipeline when the pipeline is in a problem is ensured, and the device is suitable for different air duct strengths.

Description

Combined silencing static pressure box

Technical Field

The utility model relates to the field of static pressure boxes, in particular to a combined silencing static pressure box.

Background

The combined air conditioner is a key device of a central air conditioning system. Most of the prior art static pressure boxes are provided with static pressure boxes, air is directly supplied to the outside through an air outlet after air is supplied to the static pressure boxes, a flow-around plate and a sound-absorbing plate are placed in the static pressure boxes to conduct sound-reducing control, so that the sound-reducing effect is guaranteed, the sound-absorbing plate in the static pressure boxes is in a fixed state, the control of an air duct is constant, when an external pipeline is out of order, the requirement on the static pressure boxes is changed, and the static pressure effect is reduced.

Disclosure of Invention

The utility model aims to provide a combined silencing static pressure box, which solves the problem that the effect of the static pressure box is changed due to the fact that the wind pressure is changed when a pipeline is in a problem.

The technical aim of the utility model is realized by the following technical scheme:

the combined silencing static pressure box comprises a static pressure box body, wherein a static pressure cavity with a forward opening is arranged in the static pressure box body, a box body cover for covering the static pressure cavity is detachably connected with the static pressure box body, and an air inlet and an air outlet penetrating through the static pressure box body are respectively connected with the upper wall and the lower wall of the static pressure cavity; the static pressure cavity is connected with two movable plates in a sliding mode, a plurality of folding plates used for silencing are connected between the two movable plates, and the folding plates are in a bending state.

The beneficial effects are that: the folding plate is regulated and controlled through the movable plate arranged in the static pressure cavity, so that the folding plate is changed in the overlapping state, the silencing strength is controlled, the timely adjustment of the pipeline when the pipeline is in a problem is ensured, and the pipeline is suitable for different air duct strengths.

Further, a telescopic net is connected between the two movable plates, the folding plates are located on the inner sides of the telescopic net, and movable filter screens are fixedly connected to the upper ends and the lower ends of the telescopic net.

Further, a plurality of guide plates are arranged below the movable plate in the static pressure cavity, and any two guide plates are arranged in a staggered mode.

Further, a sterilizing lamp is arranged above the movable plate in the static pressure cavity.

Further, a plurality of sound insulation cavities are arranged in the depressurization box, and the sound insulation cavities are positioned around the static pressure cavity.

Further, a mute plate is fixedly arranged on the box body cover, and the mute plate covers the opening of the static pressure cavity.

Further, filter screens are fixedly arranged in the air inlet and the air outlet.

Drawings

FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a static pressure tank according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a cover structure of a case according to an embodiment of the utility model;

FIG. 4 is a schematic cross-sectional view of a telescopic net according to an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of a static pressure tank according to an embodiment of the present utility model.

Reference numeral 11, a box cover; 12. a static pressure box; 13. an air outlet; 14. a filter screen; 15. a sound-insulating cavity; 16. an air inlet; 17. a mute plate; 21. a deflector; 22. a germicidal lamp; 31. a telescoping net; 32. a movable plate; 33. a folding plate; 34. a movable filter screen.

Detailed Description

The following description is only of the preferred embodiments of the present utility model, and the scope of the present utility model should not be limited to the examples, but should be construed as falling within the scope of the present utility model. It should also be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present utility model are intended to be comprehended within the scope of the present utility model.

Referring to fig. 1 to 5, a combined noise elimination static pressure box comprises a static pressure box 12, a static pressure cavity 23 is arranged in the static pressure box 12, an air outlet 13 is connected to the upper side of the static pressure cavity 23, an air inlet 16 is connected to the lower side of the static pressure cavity 23, the air inlet 16 and the air outlet 13 penetrate through the static pressure box 12, and air circulation passes through the static pressure cavity 23 from the air inlet 16 and the air outlet 13, so that noise elimination effect is achieved.

The static pressure chamber 23 opening is forward, the static pressure case 12 can be dismantled and be connected with and be used for the cover the box lid 11 of static pressure chamber 23, box lid 11 pass through the bolt with the static pressure case 12 is connected to realize wrapping up static pressure chamber 23, simultaneously, fixed mounting has silence board 17 on the terminal surface of box lid 11, silence board 17 is used for absorbing noise, silence board 17's area is greater than static pressure chamber 23 open-ended size, silence board 17 covers static pressure chamber 23's opening guarantees the effect of noise elimination.

The movable plates 32 are slidably connected in the hydrostatic cavity 23, the movable plates 32 are inserted into the hydrostatic cavity 23, the two movable plates 32 are slidably connected with the left side wall and the right side wall of the hydrostatic cavity 23 through friction force, the two movable plates 32 can slide up and down, a plurality of folding plates 33 for silencing are connected between the two movable plates 32, the folding plates 33 are symmetrically arranged front and back, the upper side and the lower side of the folding plates 33 are respectively connected with the upper side and the lower side of the movable plates 32, the folding plates 33 are in a bending state, the folding plates 33 are bent into arc surfaces, the folding plates 33 are used for absorbing sound, the upper and lower overlapping areas are controlled through bending, the silencing effect can be repeated when the upper and lower folding plates 32 are separated gradually, and the overlapping areas can be reduced, so that the silencing effect is reduced.

The telescopic net 31 is connected between the two movable plates 32, the folding plate 33 is located at the inner side of the telescopic net 31, the movable filter screens 34 are fixedly connected to the upper end and the lower end of the telescopic net 31, interference of impurities in air is reduced through the telescopic net 31 and the movable filter screens 34, and the folding plate 33 is protected.

The static pressure cavity 23 is provided with a plurality of guide plates 21 below the movable plate 32, and any two guide plates 21 are arranged in a staggered manner.

The static pressure chamber 23 is provided with a germicidal lamp 22 above the movable plate 32.

A plurality of sound insulation cavities 15 are arranged in the depressurization box 12, and the sound insulation cavities 15 are positioned around the static pressure cavity 23.

The air inlet 16 and the air outlet 13 are internally and fixedly provided with a filter screen 14 for filtering air.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a combination formula noise elimination static pressure case, includes static pressure case (12), its characterized in that: a static pressure cavity (23) with a forward opening is arranged in the static pressure box (12), the static pressure box (12) is detachably connected with a box cover (11) for covering the static pressure cavity (23), and the upper wall and the lower wall of the static pressure cavity (23) are respectively connected with an air inlet (16) and an air outlet (13) penetrating through the static pressure box (12); two movable plates (32) are connected in the hydrostatic cavity (23) in a sliding mode, a plurality of folding plates (33) used for silencing are connected between the two movable plates (32), and the folding plates (33) are in a bending state.

2. The combined silencing static pressure case according to claim 1, wherein: a telescopic net (31) is connected between the two movable plates (32), the folding plates (33) are positioned on the inner sides of the telescopic net (31), and movable filter screens (34) are fixedly connected to the upper end and the lower end of the telescopic net (31).

3. The combined silencing static pressure case according to claim 1, wherein: the static pressure cavity (23) is provided with a plurality of guide plates (21) below the movable plate (32), and any two guide plates (21) are arranged in a staggered mode.

4. The combined silencing static pressure case according to claim 1, wherein: the static pressure cavity (23) is provided with a sterilizing lamp (22) above the movable plate (32).

5. The combined silencing static pressure case according to claim 1, wherein: a plurality of sound insulation cavities (15) are arranged in the static pressure box (12), and the sound insulation cavities (15) are located around the static pressure cavities (23).

6. The combined silencing static pressure case according to claim 1, wherein: and a mute plate (17) is fixedly arranged on the box cover (11), and the mute plate (17) covers the opening of the static pressure cavity (23).

7. The combined silencing static pressure case according to claim 6, wherein: the filter screen (14) is fixedly arranged in the air inlet (16) and the air outlet (13).