CN211706235U - FFU device with uniform air volume - Google Patents
FFU device with uniform air volume Download PDFInfo
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- CN211706235U CN211706235U CN201921876290.0U CN201921876290U CN211706235U CN 211706235 U CN211706235 U CN 211706235U CN 201921876290 U CN201921876290 U CN 201921876290U CN 211706235 U CN211706235 U CN 211706235U
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- guide holes
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- flow guide
- distributor
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Abstract
The utility model provides an even FFU device of amount of wind, include: the fan anti-vibration fixing device comprises an air flow distributor, wherein a plurality of flow guide holes are formed in the air flow distributor, the flow guide holes are circularly distributed in the center of the air flow distributor, the periphery of the circularly distributed flow guide holes are rectangularly distributed, and the air quantity difference between a local area and a peripheral area of a fan is reduced through the hollow design of the fan anti-vibration fixing device, so that the FFU device can provide relatively stable air quantity in a narrow space, the size of the FFU device is reduced, and the production cost is also reduced; the airflow distributor adopts an aperture air volume control method and adopts different apertures and different arrangement modes, so that the difference of the air volume of a local area and the air volume of a surrounding area of the fan is further obviously improved, and the whole air volume control is more uniform.
Description
Technical Field
The utility model belongs to the high efficiency filter field especially relates to an even FFU device of amount of wind.
Background
The working principle of the fan Filter unit is that a centrifugal fan of the FFU sucks air into the FFU, and particles in the air are adsorbed in the Filter through an air Filter in the FFU, so that the effect of purifying the air is achieved.
However, when the existing FFU provides air volume, the air volume formed in a smaller closed space is unstable due to the limitation of the structure of the centrifugal fan, and the air volume is gradually increased outwards by taking the fan as the center; and the existing airflow distributor has a single aperture, which directly causes uneven output air volume and influences the production process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an ultra-thin high efficiency filter realizes through following technical scheme: the method comprises the following steps: the air distributor is provided with a plurality of guide holes which are circularly distributed at the center of the air distributor, and the periphery of the guide holes which are circularly distributed is rectangularly distributed.
Preferably, a plurality of groups of circularly distributed guide holes are arranged, and the diameters of the guide holes in different groups are different.
Preferably, a plurality of groups of the guide holes are arranged in a rectangular distribution, and the diameters of the guide holes in different groups are not completely the same.
Preferably, the air flow distributor further comprises a fan system, and the fan system is installed above the air flow distributor.
Preferably, the fan system is installed at a central position of the airflow distributor, and the fan system includes: the motor is arranged at the center of the centrifugal fan blade and is electrically connected with the centrifugal fan blade, the centrifugal fan blade is arranged on the fan shockproof fixer, and the fan shockproof fixer is arranged above the airflow distributor.
Preferably, the fan system is installed above the plurality of guide holes which are distributed in a circular shape on the airflow distributor.
Preferably, the fan shockproof fixer is made of C-shaped steel, the motor and the centrifugal fan blades are installed in a cavity of the C-shaped steel, and the side face of the fan shockproof fixer is provided with a hollow part.
Preferably, still include primary filter and high efficiency filter, primary filter installs at the fuselage top, is located fan system directly over, and high efficiency filter installs in the bottom of fuselage, is located air current distributor directly under.
The utility model has the advantages that: through the hollow design of the fan shockproof fixer, the difference of the air volume of the local area and the surrounding area of the fan is reduced, so that the FFU device can provide relatively stable air volume in a narrow space, the volume of the FFU device is reduced, and meanwhile, the production cost is also reduced; the airflow distributor adopts an aperture air volume control method and adopts different apertures and different arrangement modes, so that the difference of the air volume of a local area and the air volume of a surrounding area of the fan is further obviously improved, and the whole air volume control is more uniform.
Drawings
FIG. 1 is a schematic structural diagram of the present patent application;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a schematic diagram of the structure of the extension system;
FIG. 5 is a schematic view of the structure of the gas flow distributor;
in the figure, 1, a primary filter; 2. a cowling; 3. a fan system; 4. a fan anti-vibration fixer; 5. an air flow distributor; 6. a high efficiency filter; 7. a fuselage.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1, 2 and 3 show an FFU device with uniform air volume, comprising: the device comprises a machine body 7, a primary filter 1, a fan system 3, a fan shockproof fixer 4, an air flow distributor 5 and a high-efficiency filter 6, wherein the primary filter 1 is arranged at the top of the machine body 7 and can effectively intercept particles larger than or equal to 5um, and air enters the machine body from the particles and is subjected to pre-filtration treatment; the fan system 3 is arranged in the machine body 7 and is positioned right below the primary filter 1, and stable air volume is provided in a narrow space; the airflow distributor 5 is arranged right below the fan system 3 and can provide uniform air volume; the high-efficiency filter 6 is positioned under the airflow distributor 5 and is arranged at the bottom of the machine body 7, and can efficiently remove terminal particles larger than or equal to 0.1um, and the efficiency is larger than or equal to 99.99995%.
As shown in fig. 4, the fan system 3 is installed at a central position of the airflow distributor 5, and the fan system 3 includes: the fan anti-vibration device comprises a motor 301, centrifugal fan blades 302 and a fan anti-vibration fixer 303, wherein the motor 301 is arranged at the center of the centrifugal fan blades 302 and is electrically connected with the centrifugal fan blades 302 to provide driving power for the centrifugal fan blades 302, the centrifugal fan blades 302 are arranged on the fan anti-vibration fixer 303, and the fan anti-vibration fixer 303 is arranged above an air flow distributor.
Preferably, the fan shockproof fixer 303 is made of C-shaped steel, the motor 301 and the centrifugal fan blade 302 are installed in a cavity of the C-shaped steel, and the side surface of the fan shockproof fixer 303 is provided with a hollow out, so that the difference between the local area of the fan and the air volume of the surrounding area is reduced, the FFU device can provide relatively stable air volume in a narrow space, the size of the FFU device is reduced, and meanwhile, the production cost is also reduced.
As shown in fig. 5, the air distributor is provided with a plurality of guiding holes, the guiding holes are circularly distributed at the center of the air distributor, and the guiding holes are rectangularly distributed around the circular guiding holes.
Preferably, a plurality of sets of circularly distributed flow guide holes are provided, and correspond to the centrifugal fan blade 302, the flow guide holes of different sets have different apertures, as shown in fig. 5, a flow guide hole with the largest inner diameter is provided at the center of the circle, 5 sets of circularly distributed flow guide holes are provided, each set of flow guide holes are uniformly arranged, wherein circularly distributed flow guide holes with small inner diameters are further distributed between the first set of circularly distributed flow guide holes and the second set of circularly distributed flow guide holes, and the set of flow guide holes are uniformly distributed; in addition, flow guide holes with small inner diameters are distributed between the second group of flow guide holes in circular distribution and the third group of flow guide holes in circular distribution, and the flow guide holes are non-uniformly distributed.
Preferably, a plurality of groups of the guide holes are arranged in a rectangular distribution, and the diameters of the guide holes in different groups are not completely the same.
By adopting the airflow distributor, the characteristics of the air supply quantity difference of the fan are matched, and the aperture air quantity control method is adopted to carry out special distribution on different aperture sizes, so that the air quantity difference between the local area and the surrounding area of the fan is further obviously improved, and the whole air quantity control is more uniform.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention, and the appended claims are intended to cover such modifications and equivalents as fall within the spirit and scope of the invention.
Claims (5)
1. The utility model provides a FFU device that amount of wind is even which characterized in that: the method comprises the following steps: fan system, air current distributor, fan system installs in air current distributor's central point puts, fan system includes: the fan system comprises a motor, centrifugal fan blades and a fan shockproof fixer, wherein the motor of the fan system is electrically connected with a centrifugal fan, the centrifugal fan blades are arranged on the fan shockproof fixer, the fan shockproof fixer is arranged above an airflow distributor, and the side surface of the fan shockproof fixer is provided with a hollow part; the air flow distributor is provided with a plurality of flow guide holes, the flow guide holes are circularly distributed at the central position of the air flow distributor, the plurality of flow guide holes which are circularly distributed are provided with a plurality of groups, the pore diameters of the flow guide holes of different groups are different, the center of a circle is provided with a flow guide hole with the largest inner diameter, in addition, 5 flow guide holes which are circularly distributed are also arranged, each group of flow guide holes are uniformly arranged, wherein the flow guide holes with small inner diameters which are circularly distributed are also distributed between the flow guide holes of the first group of circular distribution and the flow guide holes of the second group of circular distribution, and the flow guide holes of the group are uniformly distributed; in addition, circularly distributed guide holes with small inner diameter are also distributed between the second group of circularly distributed guide holes and the third group of circularly distributed guide holes, and the group of guide holes are non-uniformly distributed and are distributed in a rectangular shape on the outer periphery of the circularly distributed guide holes; the plurality of guide holes which are distributed in a rectangular shape are provided with a plurality of groups, and the diameters of the guide holes of different groups are not completely the same.
2. The FFU device with uniform air volume according to claim 1, wherein: the fan system is arranged at the central position of the airflow distributor, and the motor is arranged at the central position of the centrifugal fan blade.
3. The FFU device with uniform air volume according to claim 2, wherein: the fan system is arranged above the plurality of guide holes which are distributed in a circular shape on the airflow distributor.
4. The FFU device with uniform air volume according to claim 3, wherein: the fan shockproof fixer adopts C-shaped steel, and the fan system is installed in a cavity of the C-shaped steel.
5. The FFU device with uniform air volume according to claim 3, wherein: still including primary filter and high efficiency filter, primary filter installs at the fuselage top, is located fan system directly over, and high efficiency filter installs in the bottom of fuselage, is located the air current distributor directly under.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921876290.0U CN211706235U (en) | 2019-11-04 | 2019-11-04 | FFU device with uniform air volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921876290.0U CN211706235U (en) | 2019-11-04 | 2019-11-04 | FFU device with uniform air volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211706235U true CN211706235U (en) | 2020-10-20 |
Family
ID=72815379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921876290.0U Active CN211706235U (en) | 2019-11-04 | 2019-11-04 | FFU device with uniform air volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211706235U (en) |
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2019
- 2019-11-04 CN CN201921876290.0U patent/CN211706235U/en active Active
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