CN112892093B - FFU device with uniform air volume - Google Patents
FFU device with uniform air volume Download PDFInfo
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- CN112892093B CN112892093B CN202110098849.7A CN202110098849A CN112892093B CN 112892093 B CN112892093 B CN 112892093B CN 202110098849 A CN202110098849 A CN 202110098849A CN 112892093 B CN112892093 B CN 112892093B
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- fan
- diffuser
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- ffu
- air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
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Abstract
The utility model relates to a FFU device that amount of wind is even relates to air purification device's field, and it includes casing, fan, filter and water conservancy diversion subassembly, the fan is equipped with a plurality ofly, the air intake of fan with the fixed intercommunication of casing roof, the filter with casing bottom fixed connection, the water conservancy diversion subassembly includes pivot, motor and guiding disc, the pivot with the casing rotates the connection, the output shaft of motor with pivot fixed connection, the guiding disc is located inside the casing, the guiding disc is located the air outlet below of fan, the guiding disc with pivot fixed connection, the hollow setting of guiding disc, a plurality of guide pieces of fixedly connected with on the guiding disc. The motor is started in the use process, and the motor drives the flow guide disc to rotate, so that the air in the shell is disturbed. This application has the more even effect of the amount of wind that enables the whole output of FFU.
Description
Technical Field
The application relates to the field of air purification devices, in particular to an FFU device with uniform air volume.
Background
The working principle of the FFU (fan Filter units) is that a centrifugal fan of the FFU sucks air into the FFU, and particles in the air are adsorbed in a Filter through an air Filter in the FFU, so that the effect of purifying the air is achieved.
At present, as application document 201310693812.4 discloses a novel FFU fan filter unit among the correlation technique, it includes the box electronic control unit, fan and high efficiency filter have set gradually in the box, high efficiency filter is the high efficiency filter of extension area, the high efficiency filter rear end is equipped with activated carbon filter.
Novel FFU fan filter unit among the correlation technique is when using, moreover, the steam generator is simple in structure, the operation is convenient, the high efficiency filter is adopted, the service life of the filter is long, the installation cost is low, the cleaning of the filter is simple, even the installation primary filter can be saved, the cost is further saved under the condition of not reducing the ventilation efficiency, in addition, because the filtration efficiency is high, the pressure drop is lower than the ordinary filter in the use process, so the operating cost of the fan is saved, the purpose of energy saving is also achieved, and the activated carbon filter increases the function of removing the gaseous pollutants by the FFU.
In view of the above related technologies, the inventor thinks that when an FFU in the related technologies purifies air, due to the limitation of the structure of a fan, the air volume formed by the FFU in a small enclosed space is unstable, which directly causes the uneven air volume output by the FFU, and thus causes the poor practical use effect of the FFU.
Disclosure of Invention
In order to make the air volume of FFU output even, this application provides an even FFU device of air volume.
The application provides an even FFU device of amount of wind adopts following technical scheme:
the utility model provides a FFU device that amount of wind is even, includes casing, fan, filter and water conservancy diversion subassembly, the fan is equipped with a plurality ofly, the air intake of fan with the fixed intercommunication of casing roof, the filter with casing bottom fixed connection, the water conservancy diversion subassembly includes pivot, motor and guiding disc, the pivot with the casing rotates to be connected, the output shaft of motor with pivot fixed connection, the guiding disc is located inside the casing, the guiding disc is located the air outlet below of fan, the guiding disc with pivot fixed connection, the hollow setting of guiding disc, a plurality of guide pieces of fixedly connected with on the guiding disc.
By adopting the technical scheme, in the working process of the FFU, the fan sucks air into the shell, and purified air is discharged after being filtered by the filter; the starter motor in the working process, the output shaft of motor drives the pivot and rotates, drives the guiding disc when the pivot rotates and rotates to drive the guide piece and rotate, can stir the disturbance to the air in the casing when the guide piece rotates, make the amount of wind difference of fan local area and casing inner zone reduce, thereby make the amount of wind of the whole output of FFU more even.
Optionally, the guide pieces are uniformly distributed along the circumferential direction of the flow deflector, and the guide pieces are arranged in a twisting manner.
Through adopting above-mentioned technical scheme, the guide piece that twists reverse the setting can guide the air to flow through the filter fast and be filtered, avoids the air to continue the gyration flow in the guiding disc top, has effectively improved the purification efficiency of FFU to the air.
Optionally, the guide piece is fixedly connected with a retainer ring.
By adopting the technical scheme, the retainer ring can prevent air from forming a certain rotation direction due to the guide piece passing through the spiral, so that the influence on the stability of the whole air volume is avoided, and the air volume pressure output by the FFU is stable and uniform.
Optionally, the fans are uniformly distributed on the top wall of the shell.
By adopting the technical scheme, the air inlet volume of the FFU can be improved by the fans, and the air volume difference in the shell can be reduced in advance by the fans which are uniformly distributed in the air inlet process, so that the air volume output by the FFU is more stable and uniform.
Optionally, the air conditioner further comprises a plurality of diffusers, the diffusers are located between the diversion disk and the air outlet of the fan, one diffuser is in one-to-one correspondence with one fan, and the diffusers are connected with the housing.
Through adopting above-mentioned technical scheme, during the air outlet of air current fan, the diffuser disperses the air to each position in the casing to reduce the inhomogeneous problem of amount of wind distribution in the casing.
Optionally, a spring is arranged on the diffuser, one end of the spring is fixedly connected with the inner wall of the shell, and the other end of the spring is fixedly connected with the diffuser.
Through adopting above-mentioned technical scheme, the in-process of air inlet, unstable wind pressure makes the diffuser rock along with the spring in the casing, further strengthens the disturbance of diffuser to the air, is favorable to making the amount of wind of FFU output even.
Optionally, a plurality of flow guide holes are formed in the wall surface of the diffuser.
Through adopting above-mentioned technical scheme, the air can flow wantonly through the water conservancy diversion hole when flowing through the diffuser for the amount of wind in the casing is more even.
Optionally, a guide ring is fixedly connected to the inner wall of the casing, and the guide ring is located between the diffuser and the guide disc.
By adopting the technical scheme, because a gap exists between the flow guide disc and the inner wall of the shell, the flow guide ring can prevent the air flow from passing through the gap, and the problem of unstable air quantity caused by the air flow passing through the gap is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the flow guide assembly, the flow guide assembly stirs and disturbs air sucked into the shell by the fan, so that the air quantity difference between the local area of the fan and the internal area of the shell is reduced, and the air quantity output by the FFU integrally is more uniform;
2. through setting up the diffuser, evenly seted up a plurality of water conservancy diversion holes on the diffuser, during the air outlet of air current play fan, the diffuser disperses the air to each position in the casing to further reduce the inhomogeneous problem of amount of wind distribution in the casing.
Drawings
Fig. 1 is a schematic view of an overall structure of an FFU device with uniform air volume according to an embodiment of the present application.
Fig. 2 is a sectional view of a casing, a guide assembly, a diffuser and a filter of an FFU device with uniform air volume according to an embodiment of the present application.
Reference numerals: 1. a housing; 11. a filter housing; 12. an air inlet hole; 13. a flow guide ring; 2. a fan; 3. a filter; 31. a sealing strip; 4. a diffuser; 41. a spring; 42. a flow guide hole; 5. a flow guide assembly; 51. a rotating shaft; 52. a motor; 53. a flow guide disc; 531. a guide piece; 532. and a retainer ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses FFU device that amount of wind is even. Referring to fig. 1 and 2, an FFU device with uniform air volume includes a casing 1, a blower 2, a filter 3, a diffuser 4, and a guide assembly 5.
Referring to fig. 1 and 2, a shell 1 is in a cylindrical shape with one uncovered end, a filter cover 11 is welded on the top wall of the shell 1, four air inlet holes 12 are formed in the top wall of one end of the shell 1, the air inlet holes 12 are located in a protective cover, the four air inlet holes 12 are uniformly distributed along the circumferential direction of the top wall of the shell 1, four fans 2 are arranged, one fan 2 corresponds to the inner wall of one air inlet hole 12 one by one and is fixedly connected with the inner wall of the air inlet hole 12 through screws, an air inlet of each fan 2 is located outside the shell 1, and an air outlet of each fan 2 is located inside the shell 1; filter 3 is discoid, and filter 3 and casing 1 are kept away from the one end of fresh air inlet 12 and are adopted screw fixed connection, and filter 3 and casing 1's junction inlays and is equipped with sealing strip 31, and sealing strip 31 avoids the air in the casing 1 to reveal from the joint gap.
Referring to fig. 2, the diffusers 4 are located inside the casing 1, four diffusers 4 are provided, one diffuser 4 corresponds to an air outlet of one fan 2, the diffuser 4 is hollow and has a truncated cone shape with two open ends, and the diameter of the diffuser 4 gradually increases towards the direction away from the fan 2; the outer wall welding of diffuser 4 has three springs 41, and three spring 41 is along diffuser 4's circumference evenly distributed, and spring 41's flexible direction is parallel with diffuser 4's axis direction, and spring 41 keeps away from the one end of diffuser 4 and the roof welding in the casing 1, and diffuser 4 lateral wall runs through the water conservancy diversion hole 42 of seting up a plurality of evenly distributed.
Referring to fig. 2, the guide assembly 5 includes a rotation shaft 51, the motor 52 and the flow guide disc 53, the rotating shaft 51 is connected with the shell 1 in a coaxial rotating manner, one end of the rotating shaft 51 extends into the shell 1, the shell of the motor 52 is fixedly connected with the top wall of the shell 1 through screws, the output shaft of the motor 52 is fixedly connected with one end of the rotating shaft 51, which is positioned outside the shell 1, through screws, the flow guide disc 53 is fixedly connected with one end of the rotating shaft 51, which is positioned inside the shell 1, through screws, the flow guide disc 53 is integrally provided with a plurality of guide pieces 531, the guide pieces 531 are uniformly distributed along the radial direction of the flow guide disc 53, the guide pieces 531 are arranged in a twisting manner, the twisting angles of the guide pieces 531 are all 25 degrees, two retainer rings 532 are integrally arranged on the guide pieces 531 in a penetrating manner, the retainer rings 532 coincide with the circle center of the flow guide disc 53, and the diameter of the retainer ring 532 which is far from the circle center of the flow guide disc 53 is larger than the diameter of the retainer ring 532 which is closer to the circle center of the flow guide disc 53.
Referring to fig. 2, a deflector ring 13 is welded to the inner wall of the casing 1, the deflector ring 13 is located between the diffuser 4 and the deflector 53, the deflector ring 13 is inclined and arranged downward toward one end close to the center of the circular ring, the deflector ring 13 is truncated cone-shaped as a whole, and one end of the deflector ring 13 away from the inner wall of the casing 1 extends above the deflector 53.
The implementation principle of the FFU device with uniform air volume in the embodiment of the application is as follows: in the working process, the fan 2 sucks air into the shell 1, and the filter mantle 11 filters the air in advance when air enters so as to prevent larger particles from entering the shell 1.
When the air flows out through the air outlet of the fan 2, one part of the air flows out from the interior of the diffuser 4, the other part of the air is dispersed to the periphery through the surface of the diffuser 4, and the flow guide holes 42 enable the two parts of the air to be mutually disturbed in an alternating mode in the air circulation process, so that the air quantity difference between the local area of the fan 2 and the internal area of the shell 1 is reduced.
In the air inlet process, the diffuser 4 vertically shakes in the housing 1 along with the spring 41, so that the disturbance of the diffuser 4 to the air in the housing 1 is further enhanced.
In the working process, the motor 52 is started, the output shaft of the motor 52 drives the rotating shaft 51 to rotate, the rotating shaft 51 drives the flow guide disc 53 to rotate when rotating, so that the guide piece 531 is driven to rotate, and the air passing through the diffuser 4 is stirred and disturbed when the guide piece 531 rotates, so that the air quantity output by the FFU is more uniform; the guide piece 531 arranged spirally guides the air to flow through the filter 3 quickly to be filtered, so that the air purification effect of the FFU is improved; the retaining ring 532 prevents the airflow from forming a fixed turning direction and avoids influencing the stability of the whole air quantity.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a FFU device that amount of wind is even which characterized in that: comprises a shell (1), a fan (2), a filter (3) and a flow guide component (5), the fans (2) are arranged in a plurality, the air inlet of each fan (2) is fixedly communicated with the top wall of the shell (1), the filter (3) is fixedly connected with the bottom of the shell (1), the flow guide component (5) comprises a rotating shaft (51), a motor (52) and a flow guide disc (53), the rotating shaft (51) is rotationally connected with the shell (1), an output shaft of the motor (52) is fixedly connected with the rotating shaft (51), the flow guide disc (53) is positioned in the shell (1), the flow guide disc (53) is positioned below an air outlet of the fan (2), the guide disc (53) is fixedly connected with the rotating shaft (51), the guide disc (53) is arranged in a hollow manner, and a plurality of guide sheets (531) are fixedly connected to the guide disc (53);
still include a plurality of diffusers (4), diffuser (4) are located between guiding disc (53) and the air outlet of fan (2), one diffuser (4) one-to-one with one fan (2) cooperation work, diffuser (4) with casing (1) are connected, and diffuser (4) are towards keeping away from the direction diameter of fan (2) and increase gradually.
2. The FFU device with uniform air volume according to claim 1, wherein: the guide pieces (531) are uniformly distributed along the circumferential direction of the flow guide disc (53), and the guide pieces (531) are arranged in a twisting mode.
3. The FFU device with uniform air volume according to claim 2, wherein: the guide piece (531) is fixedly connected with a check ring (532).
4. The FFU device with uniform air volume according to claim 1, wherein: the fans (2) are uniformly distributed on the top wall of the shell (1).
5. The FFU device with uniform air volume according to claim 1, wherein: be equipped with spring (41) on diffuser (4), spring (41) one end with casing (1) inner wall fixed connection, the other end with diffuser (4) fixed connection.
6. The FFU device with uniform air volume according to claim 5, wherein: the wall surface of the diffuser (4) is provided with a plurality of flow guide holes (42).
7. The FFU device with uniform air volume according to claim 1, wherein: the inner wall of the shell (1) is fixedly connected with a guide ring (13), and the guide ring (13) is positioned between the diffuser (4) and the guide disc (53).
8. The FFU device with uniform air volume according to claim 1, wherein: the top wall of the shell (1) is fixedly connected with a filter cover (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110098849.7A CN112892093B (en) | 2021-01-25 | 2021-01-25 | FFU device with uniform air volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110098849.7A CN112892093B (en) | 2021-01-25 | 2021-01-25 | FFU device with uniform air volume |
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| CN112892093A CN112892093A (en) | 2021-06-04 |
| CN112892093B true CN112892093B (en) | 2022-05-10 |
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