CN220689322U - Adjustable dispersion devices of air handling unit fan air outlet variable resistance - Google Patents
Adjustable dispersion devices of air handling unit fan air outlet variable resistance Download PDFInfo
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- CN220689322U CN220689322U CN202322291498.9U CN202322291498U CN220689322U CN 220689322 U CN220689322 U CN 220689322U CN 202322291498 U CN202322291498 U CN 202322291498U CN 220689322 U CN220689322 U CN 220689322U
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- 239000006185 dispersion Substances 0.000 title claims description 23
- 230000000903 blocking effect Effects 0.000 claims abstract description 19
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
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- Air-Flow Control Members (AREA)
Abstract
The utility model discloses a variable resistance dispersing device for a fan air outlet of an air handling unit, which relates to the field of air conditioning equipment and comprises a fixed air outlet dispersing plate, wherein a plurality of air outlet holes are uniformly formed in the surface of the fixed air outlet dispersing plate, and blocking gaps are reserved between adjacent air outlet holes; the movable dispersing plate is overlapped on the fixed air opening dispersing plate, and a plurality of air outlet holes are formed in the surface of the movable dispersing plate and correspond to the air outlet holes in the fixed air opening dispersing plate one by one; and the adjusting device is arranged on the fixed air opening dispersing plate and/or the movable dispersing plate and is used for controlling the blocking clearance of the movable dispersing plate to selectively block the air outlet holes of the fixed air opening dispersing plate so as to realize wind resistance adjustment. According to the utility model, the fixed air outlet dispersing plate and the movable dispersing plate are uniformly provided with the air outlet holes, so that the air flow at the air outlet of the fan is rapidly dispersed and equalized; the air outlet hole is selectively shielded by utilizing the relative movement of the fixed air outlet dispersing plate and the movable dispersing plate, so that the air outlet resistance is adjusted, and the purpose of adjusting the air quantity is achieved.
Description
Technical Field
The utility model relates to the field of air conditioning equipment, in particular to a variable resistance dispersing device for an air outlet of a fan of an air handling unit.
Background
The direct air outlet and the air pipe type air outlet are the conventional air supply modes of the air conditioning equipment, the air quantity regulating valve is basically not arranged, and the combined air treatment unit also often has the condition of not being provided with the air quantity regulating valve. In the use process, the conditions that the air quantity adjustment or the conveying distance adjustment is needed due to the rearrangement of the on-site air pipes and the calculation deviation of the off-board residual pressure are frequently met, and under the condition that the air quantity adjustment valve is not arranged outside and the pressure cannot be freely regulated, the operation point of the air feeder is changed to be a current treatment method. Besides the regulation and control of the power supply voltage and the running frequency of the fan power part, the regulation and control of the size of the fan ventilation opening is the simplest and effective mechanical regulation and control method.
The fan is a power device of the air handling unit, the wind speed of the air outlet of the fan is generally up to 10-15 m/s, and the wind speed is suitable for surface cooling or filtering of the far-ultra air conditioner, so that the flow of the air outlet of the fan is generally regulated by the flow equalizing device after the air outlet of the fan, so that the air outlet is uniformly dispersed to the cross section of the whole air handling unit, and the use requirements of 2.5-3 m/s of the surface cooling and the filter are met. If the natural airflow is diffused, the diffusing distance is required to be 3-5 meters, so that the space occupation of a unit can be increased, and therefore, the adjustable airflow dispersing device is necessary to be developed to be capable of achieving both fan port flow equalization and throttling application by combining the characteristic that the airflow at the air outlet of a fan is required to be diffused.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a novel adjustable dispersing device for variable resistance of the air outlet of a fan of an air treatment unit, which not only can enable air flow at the air outlet of the fan to be rapidly dispersed and equalized, but also can adjust the resistance of the air outlet, thereby achieving the purpose of adjusting air quantity.
The utility model aims at being completed by the following technical scheme: the variable resistance dispersing device for the air outlet of the fan of the air processing unit comprises
The fixed air port dispersing plate is provided with a plurality of air outlet holes uniformly on the surface, and blocking gaps are reserved between adjacent air outlet holes;
the movable dispersing plate is overlapped on the fixed air opening dispersing plate, and a plurality of air outlet holes are formed in the surface of the movable dispersing plate and correspond to the air outlet holes in the fixed air opening dispersing plate one by one; and
and the adjusting device is arranged on the fixed air opening dispersing plate and/or the movable dispersing plate and is used for controlling the blocking clearance of the movable dispersing plate to selectively block the air outlet holes of the fixed air opening dispersing plate so as to realize wind resistance adjustment.
As a further technical scheme, the adjusting device comprises a wind speed sensor and an electric actuator, wherein the wind speed sensor is used for monitoring the wind speed of an air outlet of the fan in real time and sending a wind speed signal to the electric actuator, and the electric actuator is used for servo control of the movable dispersing plate to move relative to the fixed air outlet dispersing plate so as to realize automatic wind resistance adjustment.
As a further technical scheme, adjusting device includes adjusting slide hole, bolt fastening hole and adjusting bolt, and wherein, adjusting slide hole is seted up on fixed wind gap dispersion board, and bolt fastening hole is seted up on the activity dispersion board, and adjusting bolt runs through bolt fastening hole and adjusting slide hole in proper order, changes the fixed position of bolt fastening hole on adjusting slide hole through adjusting bolt, realizes manual windage regulation.
As a further technical scheme, the fixed tuyere dispersion plate and the movable dispersion plate are made of stainless steel plates, galvanized steel plates, aluminized zinc plates or various alloy steel plates, and are selected according to different rust-proof grades and strength requirements.
As a further technical scheme, the aperture of the air outlet hole and the width of the blocking gap are adjusted according to actual resistance and air quantity requirements.
As a further technical scheme, the outer side of the fixed air opening dispersing plate is provided with a mounting frame, and the dispersing device is fixed at an air outlet of the fan through the mounting frame, so that the dispersing length of the fan is controlled to be 0.6-1.0 m.
The beneficial effects of the utility model are as follows:
1. the fixed air outlet dispersing plate and the movable dispersing plate are uniformly provided with air outlet holes, so that the air flow at the air outlet of the fan can be rapidly dispersed and equalized;
2. the air outlet holes are selectively shielded by utilizing the relative movement of the fixed air outlet dispersion plate and the movable air outlet dispersion plate, so that the air outlet resistance is adjusted, and the purpose of adjusting the air quantity is achieved;
3. the adjusting device can adopt two modes of manual or automatic adjustment, and can adapt to different use requirements;
4. after the dispersing device is installed, the diffusion length of the fan can be controlled to be 0.6-1.0 meter, so that the space occupation of an air conditioning unit is effectively reduced, and the unit miniaturization is facilitated.
Drawings
Fig. 1 is a schematic perspective view of the assembled structure of the present utility model.
FIG. 2 is a schematic front view of a fixed tuyere dispersion plate according to the present utility model.
Fig. 3 is a schematic front view of the movable dispersion plate according to the present utility model.
FIG. 4 is a schematic view (partially blocked) of the assembled structure of the fixed tuyere dispersion plate and the movable dispersion plate according to the present utility model.
FIG. 5 is a schematic view (non-shielding) of the assembled fixed tuyere dispersion plate and movable dispersion plate according to the present utility model.
Fig. 6 is a schematic view of the structure of the present utility model installed in a direct air-out type air treatment unit.
Fig. 7 is a schematic view of the structure of the present utility model installed in a combined air treatment unit where an air duct needs to be installed.
Reference numerals illustrate: the air outlet device comprises a fixed air outlet dispersing plate 1, a movable dispersing plate 2, an adjusting bolt 3, an adjusting slide hole 4, an air outlet hole 5, a bolt fixing hole 6, a mounting frame 7, a blocking gap 8, a device mounting position 10, a cold water coil pipe section 11, a fan section 12, a jet air outlet section 13, a jet air outlet or air outlet grille 14, a fresh air section 20, a primary and middle-effect filtering section 21, a hot water coil pipe section 22, a cold water coil pipe section 23, an electric heating section 24, an electrode humidifying section 25, a blower section 26, a flow equalizing section 27, a high-efficiency filtering section 28 and an air outlet section 29.
Detailed Description
The utility model will be described in detail below with reference to the attached drawings:
example 1: as shown in figures 1-5, the adjustable dispersing device for variable resistance of the air outlet of the air handling unit fan comprises a fixed air outlet dispersing plate 1, a movable dispersing plate 2, an adjusting bolt 3, an adjusting slide hole 4, an air outlet hole 5, a bolt fixing hole 6, a mounting frame 7 and a blocking gap 8.
Referring to fig. 2, a plurality of air holes 5 are uniformly formed on the surface of the fixed air port dispersing plate 1, and a blocking gap 8 is reserved between each air hole 5. The movable dispersing plate 2 is overlapped and placed on the fixed air opening dispersing plate 1 (can be placed in front of or behind the fixed air opening dispersing plate 1), as shown in fig. 3, a plurality of air outlet holes 5 are also formed on the surface of the movable dispersing plate 2, and are in one-to-one correspondence with the air outlet holes 5 on the fixed air opening dispersing plate 1. Therefore, a blocking gap 8 is also left between each row of air holes 5 of the movable dispersion plate 2, and the aperture of the air outlet holes 5 and the width of the blocking gap 8 are adjusted according to actual resistance and air quantity requirements. Preferably, the width of the blocking gap 8 is exactly equal to the aperture of the air outlet opening 5, so that the blocking gap 8 can exactly completely block the air outlet opening 5.
The fixed air opening dispersing plate 1 and the movable dispersing plate 2 are provided with adjusting devices, and the adjusting devices are used for controlling the blocking gaps 8 of the movable dispersing plate 2 to selectively shade the air outlet holes 5 of the fixed air opening dispersing plate 1, so that wind resistance adjustment is realized. As shown in fig. 4 and 5, the present embodiment employs a manual adjustment device including an adjustment slide hole 4, a bolt fixing hole 6, and an adjustment bolt 3. Wherein, the adjusting slide holes 4 (preferably oblong holes) are four and are arranged on the fixed air opening dispersing plate 1, the bolt fixing holes 6 are also four and are arranged on the movable dispersing plate 2, and the adjusting bolts 3 sequentially penetrate through the bolt fixing holes 6 and the adjusting slide holes 4, thereby fixedly connecting the fixed air opening dispersing plate 1 with the movable dispersing plate 2. The relative installation positions of the fixed air port dispersing plate 1 and the movable dispersing plate 2 can be adjusted by changing the fixed positions of the adjusting bolts 3 on the adjusting slide holes 4, so that manual windage adjustment is realized.
Preferably, the fixed tuyere dispersion plate 1 and the movable dispersion plate 2 are made of stainless steel plates, galvanized steel plates, aluminized zinc plates or various alloy steel plates, and are selected according to different rust prevention grades and strength requirements.
As shown in fig. 1, the installation frame 7 is arranged on the outer side of the fixed air opening dispersing plate 1, and the dispersing device is fixed at the air outlet of the fan through the installation frame 7, so that the diffusion length of the fan is controlled to be 0.6-1.0 m, the space occupation of the air conditioning unit is effectively reduced, and the unit miniaturization is facilitated.
Example 2: the difference with embodiment 1 is that an electric adjusting device is adopted, the electric adjusting device comprises a wind speed sensor and an electric actuator, the wind speed sensor can monitor the wind speed of a wind outlet of a fan in real time and send a wind speed signal to the electric actuator, and the electric actuator can servo-control the movable dispersing plate 2 to enable the movable dispersing plate to move relative to the fixed wind outlet dispersing plate 1 after receiving the wind speed signal, so that the shielding area of a blocking gap 8 to a wind outlet 5 is enlarged or reduced, and automatic wind resistance adjustment is realized.
The working principle of the utility model is as follows: because the two plates of the fixed air outlet dispersing plate 1 and the movable dispersing plate 2 are provided with the air outlet holes 5 and the blocking gaps 8 with the same size, the effective air outlet area of each air outlet hole 5 can be changed and can be freely adjusted among complete ventilation, partial shielding and complete shielding no matter manual or electric control is adopted, the air outlet resistance of the fan can be adjusted, and the purposes of adjusting the air quantity are achieved, namely, the air flow equalization and the throttling are achieved. As shown in fig. 5, the air outlet holes 5 on the fixed air port dispersing plate 1 and the movable dispersing plate 2 are completely overlapped, and when the air outlet flow of the fan reaches the device, the dispersing device is in a minimum resistance state. As shown in fig. 4, by adjusting the fixing positions of the four adjusting bolts 3 on the adjusting slide holes 4, the air outlet holes 5 on the fixed air outlet dispersing plate 1 and the movable dispersing plate 2 are not completely overlapped and become an oval state, when the air outlet flow of the fan reaches the device, the device is in a resistance adjusting state due to the reduced area of the air outlet holes 5, and the maximum adjusting distance can be set according to the specific device. When the blocking gap 8 completely shields the air outlet 5, the device is in a state of maximum resistance.
Example 3: as shown in fig. 6, the present utility model can be installed in a direct air-out type air treatment unit, which includes a cold water tray pipe section 11, a fan section 12, a jet air-out section 13, a jet air outlet or an air-out grille 14, wherein the installation position 10 of the device is located at the fan air outlet of the fan section 12, and the jet air-out section 13, i.e., the diffusion length, is controlled to be between 0.6 and 1.0 meter.
Example 4: as shown in fig. 7, the utility model can also be installed in a combined air treatment unit with an air pipe, and the unit comprises a fresh air section 20, a primary and middle efficiency filtering section 21, a hot water coil section 22, a cold water coil section 23, an electric heating section 24, an electrode humidifying section 25, a blower section 26, a flow equalizing section 27, a high efficiency filtering section 28 and an air outlet section 29. The device installation position 10 is positioned at the fan air outlet of the fan section 26, and the length of the flow equalizing section 27 behind the fan section 26 can be ensured to be between 0.6 and 1.0 meter.
It should be understood that equivalents and modifications to the technical scheme and the inventive concept of the present utility model should fall within the scope of the claims appended hereto.
Claims (6)
1. The utility model provides an adjustable dispersion devices of air handling unit fan air outlet variable resistance which characterized in that: comprising
A fixed air port dispersing plate (1), a plurality of air outlet holes (5) are uniformly formed in the surface of the fixed air port dispersing plate, and a blocking gap (8) is reserved between every two adjacent air outlet holes (5);
the movable dispersing plates (2) are superposed on the fixed air opening dispersing plates (1), and a plurality of air outlet holes (5) are formed in the surfaces of the movable dispersing plates (2) and correspond to the air outlet holes (5) in the fixed air opening dispersing plates (1) one by one; and
the adjusting device is arranged on the fixed air opening dispersing plate (1) and/or the movable dispersing plate (2) and is used for controlling the blocking gap (8) of the movable dispersing plate (2) to selectively shade the air outlet holes (5) of the fixed air opening dispersing plate (1) so as to realize wind resistance adjustment.
2. The adjustable dispersion device of variable resistance of air handling unit fan outlets of claim 1, wherein: the adjusting device comprises a wind speed sensor and an electric actuator, wherein the wind speed sensor is used for monitoring the wind speed of a wind outlet of the fan in real time and sending a wind speed signal to the electric actuator, and the electric actuator is used for servo control of the movable dispersing plate (2) to move relative to the fixed wind outlet dispersing plate (1) so as to realize automatic wind resistance adjustment.
3. The adjustable dispersion device of variable resistance of air handling unit fan outlets of claim 1, wherein: the adjusting device comprises an adjusting slide hole (4), a bolt fixing hole (6) and an adjusting bolt (3), wherein the adjusting slide hole (4) is formed in a fixed air opening dispersing plate (1), the bolt fixing hole (6) is formed in a movable dispersing plate (2), the adjusting bolt (3) sequentially penetrates through the bolt fixing hole (6) and the adjusting slide hole (4), and the fixed position of the bolt fixing hole (6) on the adjusting slide hole (4) is changed through the adjusting bolt (3), so that manual wind resistance adjustment is achieved.
4. The adjustable dispersion device of variable resistance of air handling unit fan outlets of claim 1, wherein: the fixed air opening dispersing plate (1) and the movable dispersing plate (2) are made of stainless steel plates, galvanized steel plates, aluminized zinc plates or various alloy steel plates, and are selected according to different rust-proof grades and strength requirements.
5. The adjustable dispersion device of variable resistance of air handling unit fan outlets of claim 1, wherein: the aperture of the air outlet hole (5) and the width of the blocking gap (8) are adjusted according to actual resistance and air quantity.
6. The adjustable dispersion device of variable resistance of air handling unit fan outlets of claim 1, wherein: the outer side of the fixed air opening dispersing plate (1) is provided with a mounting frame (7), and the dispersing device is fixed at an air outlet of the fan through the mounting frame (7), so that the dispersing length of the fan is controlled to be 0.6-1.0 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322291498.9U CN220689322U (en) | 2023-08-24 | 2023-08-24 | Adjustable dispersion devices of air handling unit fan air outlet variable resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322291498.9U CN220689322U (en) | 2023-08-24 | 2023-08-24 | Adjustable dispersion devices of air handling unit fan air outlet variable resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220689322U true CN220689322U (en) | 2024-03-29 |
Family
ID=90411027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322291498.9U Active CN220689322U (en) | 2023-08-24 | 2023-08-24 | Adjustable dispersion devices of air handling unit fan air outlet variable resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220689322U (en) |
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2023
- 2023-08-24 CN CN202322291498.9U patent/CN220689322U/en active Active
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