CN219841616U - Step-by-step depressurization air distribution box - Google Patents
Step-by-step depressurization air distribution box Download PDFInfo
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- CN219841616U CN219841616U CN202320263900.XU CN202320263900U CN219841616U CN 219841616 U CN219841616 U CN 219841616U CN 202320263900 U CN202320263900 U CN 202320263900U CN 219841616 U CN219841616 U CN 219841616U
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- air distribution
- distribution box
- air
- depressurization
- box body
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- 230000003584 silencer Effects 0.000 claims abstract description 34
- 230000030279 gene silencing Effects 0.000 claims abstract description 17
- 230000000295 complement effect Effects 0.000 claims abstract description 5
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a step-by-step depressurization air distribution box, which comprises an air distribution box body, wherein two ventilated and parallel silencing plates are arranged in the air distribution box body, the middle part of the front side of the air distribution box body is provided with an air inlet, and the rear side of the air distribution box body is uniformly provided with a plurality of air outlets; the two silencer plates divide the inside of the air distribution box body into three chambers, namely a front air inlet chamber, a middle chamber and a rear air distribution chamber; the left side and the right side of the front air inlet chamber, the middle chamber and the rear air distribution chamber are respectively provided with air outlets; the wind introduced from the air inlet sequentially enters the front air inlet chamber, the middle chamber and the rear air distribution chamber; the caliber of the air inlet is larger than that of each air outlet. The step-by-step depressurization air distribution box is simple in structure, the two silencing plates are sequentially arranged at trisection positions in the air distribution box body, and depressurization holes in the two silencing plates are complementary to ensure the discreteness of air flow in the box body. The air outlet of each air outlet of the air distribution box body can be uniform, and the air distribution box has higher practical significance.
Description
Technical Field
The utility model relates to a step-by-step depressurization air distribution box.
Background
In the design of a fresh air system, how to enable each room in an indoor room to obtain sufficient air quantity is a difficult technical problem. The existing air distribution box product has the situation that the air quantity among all air inlets is seriously unbalanced. This can lead to significant information differences between the designer and the constructor. The design cannot be carried out, or the fresh air effect is poor. In particular for relatively small wind paths. The upper limit of the wind quantity of the branch is very low. For larger air flow, the fineness of the regulation is high. Therefore, each air port of the air distribution box has uniform air outlet, and has great significance.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model aims to provide a step-by-step depressurization air distribution box.
The technical scheme adopted by the utility model is as follows:
the step-by-step depressurization air distribution box comprises an air distribution box body, wherein two ventilated and parallel silencing plates are arranged in the air distribution box body, an air inlet is formed in the middle of the front side of the air distribution box body, and a plurality of air outlets are uniformly distributed on the rear side of the air distribution box body; the two silencing plates divide the inside of the air distribution box body into three chambers, namely a front air inlet chamber, a middle chamber and a rear air distribution chamber; air outlets are respectively arranged on the left side and the right side of the front air inlet chamber, the middle chamber and the rear air distribution chamber; the wind introduced from the air inlet sequentially enters the front air inlet chamber, the middle chamber and the rear air distribution chamber; the caliber of the air inlet is larger than that of each air outlet.
Further, the silencer plate close to the front side of the air distribution box body is a primary depressurization silencer plate, the other silencer plate is a secondary depressurization silencer plate, depressurization holes are respectively formed in the two silencer plates, and the depressurization holes in the two silencer plates are arranged in a staggered and complementary mode so as to ensure the discreteness of air flow in the air distribution box body; wherein, the total sectional area of the depressurization holes on the first-stage depressurization silencer plate is larger than the total sectional area of the depressurization holes on the second-stage depressurization silencer plate.
Further, the total cross-sectional area of the depressurization holes on the primary depressurization silencer plate is 2.5-3 times of the total cross-sectional area of the depressurization holes on the secondary depressurization silencer plate.
Further, the front side of the air distribution box body is provided with an opening, the opening is provided with an air distribution box surface cover in a screw fit manner, and the middle part of the air distribution box surface cover is provided with the air inlet.
Further, fixed connecting pieces are arranged at corresponding trisection positions in the box body of the air distribution box, and screw holes are formed in the ends of the fixed connecting pieces and the end portions of the silencing plates and are used for mounting and fixing through corresponding screws.
The beneficial effects obtained by the utility model are as follows:
the step-by-step depressurization air distribution box is simple in structure and comprises an air distribution box body, an air distribution box face cover, an air distribution box air inlet, a silencing plate, depressurization holes, fixed connecting pieces and the like. The arrangement of the silencer plate balances the pressure of each air outlet of the air distribution box body. The two silencing plates are sequentially arranged at trisection positions in the box body of the air distribution box, and pressure reducing holes in the two silencing plates are complementary to ensure the discreteness of air flow in the box body. The total section of the depressurization holes of the silencing plate positioned at the air inlet side of the air distribution box body is 2.5-3 times of the total section of the depressurization holes of the silencing plate positioned at the air outlet side, and all air inlets are balanced through simulation.
Drawings
FIG. 1 is a schematic diagram of a front view structure of a step-by-step depressurization and air distribution box of the utility model;
FIG. 2 is a schematic view of the structure of section A-A of FIG. 1;
FIG. 3 is a schematic top view of the step-by-step depressurization and air distribution box of the utility model;
fig. 4 is a schematic perspective view of a step-by-step depressurization and air distribution box according to the present utility model.
Description of the embodiments
The utility model will be further illustrated with reference to specific examples, but the scope of the utility model is not limited thereto.
Examples: reference is made to FIGS. 1-4
The utility model provides a step-by-step depressurization divides bellows, includes divides bellows box 1, divides bellows box 1's front side middle part to be provided with an air intake 2, rear side evenly distributed a plurality of air outlets. The inside of the air distribution box body 1 is provided with two air-permeable and mutually parallel silencing plates, the two silencing plates are sequentially arranged at trisection positions in the air distribution box body, and the inside of the air distribution box body 1 is uniformly divided into three chambers, namely a front air inlet chamber, a middle chamber and a rear air distribution chamber by the two silencing plates. In contrast to fig. 1-2, the left and right sides of the front air inlet chamber, the middle chamber and the rear air distribution chamber are respectively provided with an air outlet 3, and the caliber of the air inlet 2 is larger than that of each air outlet. The wind introduced from the air inlet 2 sequentially enters the front air inlet chamber, the middle chamber and the rear air distribution chamber and is blown out through each air outlet.
In contrast to fig. 2, the silencer plate near the front side of the air distribution box 1 is a primary pressure reducing silencer plate 4, the other silencer plate is a secondary pressure reducing silencer plate 5, pressure reducing holes are respectively formed in the two silencer plates, and the pressure reducing holes in the two silencer plates are arranged in a staggered and complementary manner so as to ensure the discreteness of air flow in the air distribution box; wherein the total sectional area of the depressurization holes on the primary depressurization silencer plate 4 is larger than the total sectional area of the depressurization holes on the secondary depressurization silencer plate 5.
Further, the total sectional area of the depressurization holes on the primary depressurization silencer plate 4 is 2.5-3 times of the total sectional area of the depressurization holes on the secondary depressurization silencer plate 5, and all air ports can be balanced through simulation.
In contrast to fig. 2, in order to install the first-stage depressurization muffler plate 4 and the second-stage depressurization muffler plate 5, the fixing connector 6 is arranged at corresponding trisection positions in the air distribution box body 1, and screw holes are formed in the fixing connector 6 and the end portions of the muffler plates and are installed and fixed through corresponding screws.
In addition, in order to facilitate the installation of the primary depressurization silencer 4 and the secondary depressurization silencer 5, the front side of the air distribution box body 1 is provided with an opening, the opening is provided with an air distribution box face cover 7 through screw fit, and the middle part of the air distribution box face cover 7 is provided with the air inlet 2. Thus, the bellows cover 7 is detachably attached to the front side of the bellows housing 1.
What has been described in this specification is merely an enumeration of possible forms of implementation for the inventive concept and may not be considered limiting of the scope of the present utility model to the specific forms set forth in the examples.
Claims (5)
1. The step-by-step depressurization air distribution box is characterized by comprising an air distribution box body (1), wherein two air permeable and parallel silencing plates are arranged in the air distribution box body (1), an air inlet (2) is formed in the middle of the front side of the air distribution box body (1), and a plurality of air outlets are uniformly distributed on the rear side of the air distribution box body; the two silencing plates divide the inside of the air distribution box body (1) into three chambers, namely a front air inlet chamber, a middle chamber and a rear air distribution chamber; air outlets (3) are respectively arranged at the left side and the right side of the front air inlet chamber, the middle chamber and the rear air distribution chamber; the wind introduced by the air inlet (2) sequentially enters the front air inlet cavity, the middle cavity and the rear air distribution cavity; the caliber of the air inlet (2) is larger than that of each air outlet.
2. The step-by-step depressurization and air distribution box as claimed in claim 1, wherein the silencer plate close to the front side of the air distribution box body (1) is a first-stage depressurization silencer plate (4), the other silencer plate is a second-stage depressurization silencer plate (5), depressurization holes are respectively formed in the two silencer plates, and the depressurization holes in the two silencer plates are in staggered and complementary arrangement so as to ensure the discreteness of air flow in the air distribution box body; wherein, the total sectional area of the depressurization holes on the first-stage depressurization silencer plate (4) is larger than the total sectional area of the depressurization holes on the second-stage depressurization silencer plate (5).
3. A step-by-step depressurization and air distribution box as claimed in claim 2, characterized in that the total cross-sectional area of depressurization holes in the primary depressurization silencer plate (4) is 2.5-3 times the total cross-sectional area of depressurization holes in the secondary depressurization silencer plate (5).
4. A step-by-step depressurization air distribution box as claimed in claim 1, characterized in that the front side of the air distribution box body (1) is provided with an opening, the opening is provided with an air distribution box surface cover (7) through screw fit, and the middle part of the air distribution box surface cover (7) is provided with the air inlet (2).
5. A step-by-step depressurization air distribution box as claimed in claim 1, characterized in that fixed connecting pieces (6) are arranged at corresponding trisection positions in the air distribution box body (1), and screw holes are formed in the ends of the fixed connecting pieces (6) and the end parts of the silencing plates and are fixed through corresponding screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320263900.XU CN219841616U (en) | 2023-02-21 | 2023-02-21 | Step-by-step depressurization air distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320263900.XU CN219841616U (en) | 2023-02-21 | 2023-02-21 | Step-by-step depressurization air distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219841616U true CN219841616U (en) | 2023-10-17 |
Family
ID=88298626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320263900.XU Active CN219841616U (en) | 2023-02-21 | 2023-02-21 | Step-by-step depressurization air distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219841616U (en) |
-
2023
- 2023-02-21 CN CN202320263900.XU patent/CN219841616U/en active Active
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