CN216048303U - Flow equalizing and noise reducing assembly at air supply tail end of direct expansion type air pipe - Google Patents
Flow equalizing and noise reducing assembly at air supply tail end of direct expansion type air pipe Download PDFInfo
- Publication number
- CN216048303U CN216048303U CN202122453890.XU CN202122453890U CN216048303U CN 216048303 U CN216048303 U CN 216048303U CN 202122453890 U CN202122453890 U CN 202122453890U CN 216048303 U CN216048303 U CN 216048303U
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- China
- Prior art keywords
- flow equalizing
- noise reducing
- heat exchanger
- centrifugal fan
- air
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- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims 4
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of a direct-expansion air pipe air supply type unit, in particular to a direct-expansion air pipe air supply tail end flow equalizing and noise reducing assembly which comprises a centrifugal fan and a heat exchange box, wherein a heat exchanger is arranged in the heat exchange box, a flow equalizing and noise reducing plate is also arranged in the heat exchange box, the flow equalizing and noise reducing plate is positioned between an air outlet of the centrifugal fan and the heat exchanger, the air outlet of the centrifugal fan, the flow equalizing and noise reducing plate and the heat exchanger are arranged at intervals, and a plurality of air holes are formed in the flow equalizing and noise reducing plate. According to the utility model, the flow equalizing noise reduction plate is additionally arranged between the air outlet of the centrifugal fan and the heat exchanger, so that the air quantity and the air speed flowing through each area of the heat exchanger are balanced, and the heat exchange efficiency of the heat exchanger is improved.
Description
Technical Field
The utility model relates to the technical field of a direct-expansion air pipe air supply type unit, in particular to a flow equalizing and noise reducing assembly for an air supply tail end of a direct-expansion air pipe.
Background
The existing terminal air conditioning unit of the direct-expansion air pipe air supply type indoor unit is limited by the distance between an air outlet of the fan and the fin heat exchanger due to the use of a forward-bent blade centrifugal fan, so that the air quantity passing through the fin heat exchanger is uneven, the air quantity of the position right facing the air outlet is large, the air quantity of two sides of the air outlet is small, the heat exchange of the heat exchanger is uneven, in addition, the position air speed right facing the air outlet of the fin heat exchanger is fast, the noise can be increased, and under the condition of the same heat exchange area, the cold quantity/heat quantity efficiency of the fin heat exchanger is low and the noise is high.
Therefore, how to overcome the above technical problems and disadvantages is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flow equalizing and noise reducing assembly for the air supply tail end of a direct-expansion air pipe, which optimizes the structure of the tail end unit of the existing air pipe air supply indoor unit, improves the cold/heat quantity and reduces the noise.
In order to achieve the purpose, the utility model provides the following technical scheme: the flow equalizing and noise reducing assembly for the air supply end of the direct-expansion air pipe comprises a centrifugal fan and a heat exchange box, wherein a heat exchanger is arranged in the heat exchange box, and is characterized in that: the heat exchange box is internally provided with a flow equalizing and noise reducing plate, the flow equalizing and noise reducing plate is positioned between the air outlet of the centrifugal fan and the heat exchanger, the air outlet of the centrifugal fan, the flow equalizing and noise reducing plate and the heat exchanger are installed at intervals, and the flow equalizing and noise reducing plate is provided with a plurality of air holes.
Further, the aperture of the vent hole close to the air outlet of the centrifugal fan is smaller than the aperture of the vent hole far away from the air outlet of the centrifugal fan.
Further, the aperture ratio of the vent hole close to the air outlet of the centrifugal fan is smaller than the aperture ratio of the vent hole far away from the air outlet of the centrifugal fan.
Furthermore, the flow equalizing and noise reducing plate is a galvanized steel plate.
Further, the heat exchanger is a fin heat exchanger.
Compared with the prior art, the utility model has the beneficial effects that:
according to the flow equalizing and noise reducing assembly at the air supply tail end of the direct expansion type air pipe, the flow equalizing and noise reducing plate is additionally arranged between the air outlet of the centrifugal fan and the heat exchanger, so that the air volume and the air speed passing through each area of the heat exchanger are basically the same, the heat exchange efficiency of the heat exchanger is improved, the air speed passing through the heat exchanger right in front of the air outlet of the fan is reduced, and the noise problem is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of a flow equalizing and noise reducing plate in the embodiment of the present invention.
Description of the main element symbols:
1-centrifugal fan, 2-heat exchange box, 3-heat exchanger, 4-flow equalizing noise reduction plate, 5-air outlet and 6-air vent.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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 protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the terminal subassembly of making an uproar that flow equalizes of directly expanding tuber pipe air supply, including centrifugal fan 1 and heat transfer case 2, set up heat exchanger 3 in the heat transfer case 2 and flow equalize and fall the board 4 of making an uproar, heat exchanger 3 is fin heat exchanger, flow equalize and fall the board 4 of making an uproar and be located between centrifugal fan 1's air outlet 5 and heat exchanger 3, centrifugal fan 1's air outlet 5, flow equalize and fall and be the interval installation between board 4 and the heat exchanger 3 of making an uproar.
In this embodiment, the flow equalizing and noise reducing plate 4 is a galvanized steel plate, and the flow equalizing and noise reducing plate 4 is provided with a plurality of vent holes 6, please refer to fig. 2, where the aperture of the vent hole 6 close to the centrifugal fan air outlet 5 is smaller than the aperture of the vent hole 6 far from the centrifugal fan air outlet 5. The vent design of the present invention may also preferably be: the aperture ratio of the vent hole close to the air outlet of the centrifugal fan is smaller than that of the vent hole far away from the air outlet of the centrifugal fan.
According to the utility model, the flow equalizing noise reduction plate is additionally arranged between the air outlet of the centrifugal fan and the heat exchanger, the ventilation volume of the vent hole facing the air outlet is smaller than that of the principle vent hole, and the flow velocity of the vent hole facing the air outlet is larger than that of the vent hole far away from the vent hole, so that the air volume and the air velocity passing through each area of the heat exchanger are basically the same, the heat exchange efficiency of the heat exchanger is improved, the air velocity passing through the heat exchanger right in front of the air outlet of the fan is reduced, and the noise problem is improved.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The flow equalizing and noise reducing assembly for the air supply end of the direct-expansion air pipe comprises a centrifugal fan and a heat exchange box, wherein a heat exchanger is arranged in the heat exchange box, and is characterized in that: the heat exchange box is internally provided with a flow equalizing and noise reducing plate, the flow equalizing and noise reducing plate is positioned between the air outlet of the centrifugal fan and the heat exchanger, the air outlet of the centrifugal fan, the flow equalizing and noise reducing plate and the heat exchanger are installed at intervals, and the flow equalizing and noise reducing plate is provided with a plurality of air holes.
2. The flow equalizing and noise reducing assembly for the blowing tail end of the direct-expansion air pipe according to claim 1, characterized in that: the aperture of the vent hole close to the air outlet of the centrifugal fan is smaller than the aperture of the vent hole far away from the air outlet of the centrifugal fan.
3. The flow equalizing and noise reducing assembly for the blowing tail end of the direct-expansion air pipe according to claim 1, characterized in that: the aperture ratio of the vent hole close to the air outlet of the centrifugal fan is smaller than that of the vent hole far away from the air outlet of the centrifugal fan.
4. The flow equalizing and noise reducing assembly for the blowing tail end of the direct-expansion air pipe according to claim 1, characterized in that: the flow equalizing and noise reducing plate is a galvanized steel plate.
5. The flow equalizing and noise reducing assembly for the blowing tail end of the direct-expansion air pipe according to claim 1, characterized in that: the heat exchanger is a fin heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122453890.XU CN216048303U (en) | 2021-10-12 | 2021-10-12 | Flow equalizing and noise reducing assembly at air supply tail end of direct expansion type air pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122453890.XU CN216048303U (en) | 2021-10-12 | 2021-10-12 | Flow equalizing and noise reducing assembly at air supply tail end of direct expansion type air pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216048303U true CN216048303U (en) | 2022-03-15 |
Family
ID=80608812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122453890.XU Active CN216048303U (en) | 2021-10-12 | 2021-10-12 | Flow equalizing and noise reducing assembly at air supply tail end of direct expansion type air pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216048303U (en) |
-
2021
- 2021-10-12 CN CN202122453890.XU patent/CN216048303U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.958, Ming'an Road, Huangdao District, Qingdao City, Shandong Province 266000 Patentee after: Qingdao Aolikai Energy Co.,Ltd. Address before: No.958, Ming'an Road, Huangdao District, Qingdao City, Shandong Province 266000 Patentee before: QINGDAO ALKKT CENTRAL AIR CONDITIONER CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |