CN116608137A - Centrifugal fan with energy recovery function - Google Patents
Centrifugal fan with energy recovery function Download PDFInfo
- Publication number
- CN116608137A CN116608137A CN202310472833.7A CN202310472833A CN116608137A CN 116608137 A CN116608137 A CN 116608137A CN 202310472833 A CN202310472833 A CN 202310472833A CN 116608137 A CN116608137 A CN 116608137A
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- Prior art keywords
- centrifugal fan
- frame
- air
- pushing
- fan
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- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 238000000605 extraction Methods 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 28
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 description 8
- 230000029058 respiratory gaseous exchange Effects 0.000 description 5
- 206010010904 Convulsion Diseases 0.000 description 2
- 230000036461 convulsion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention relates to the technical field of axial flow fans, in particular to a centrifugal fan with an energy recovery function. The technical problems of the invention are as follows: a centrifugal fan with an energy recovery function is provided. The technical implementation scheme of the invention is as follows: the centrifugal fan with the energy recovery function comprises a centrifugal fan, an air extraction mechanism and an air pushing mechanism, wherein the air extraction mechanism is arranged on the centrifugal fan, and the air pushing mechanism is arranged at the left part of the centrifugal fan. According to the invention, the centrifugal fan exhausts air, so that the rotating frame rotates, the rotating frame intermittently extrudes the piston rod, wind is intermittently discharged to the position of the air inlet of the centrifugal fan, and after the piston rod moves downwards, the air pushing frame also moves rightwards to discharge the wind to the air inlet of the centrifugal fan, the air outlet capacity of the centrifugal fan is converted into kinetic energy, and the wind energy can be recycled.
Description
Technical Field
The invention relates to the technical field of axial flow fans, in particular to a centrifugal fan with an energy recovery function.
Background
The existing centrifugal fans are generally applied to factories, mines and other places, and the centrifugal fans mainly have ventilation, dust removal and cooling functions.
Patent publication number is CN 208330810U's patent discloses a centrifugal fan, including casing, impeller and motor, the casing includes casing posterior lateral plate, in the casing was arranged in to the impeller, the motor was arranged in the motor frame, was equipped with the fin on the motor, and the motor shaft of motor passed the casing posterior lateral plate and was connected with the impeller, its characterized in that is equipped with the motor guard shield, be equipped with at least one mounting panel on the motor, the motor guard shield is U type parcel on the motor, motor guard shield front side periphery and casing posterior lateral plate support and lean on.
Above-mentioned centrifugal fan is in the operation in-process, blows out the back with wind, can't carry out recycle with the energy of wind, research and development at present a centrifugal fan with energy recuperation function.
Disclosure of Invention
In order to overcome the defect that the conventional centrifugal fan cannot recycle wind energy, the invention has the following technical problems: a centrifugal fan with an energy recovery function is provided.
The technical implementation scheme of the invention is as follows: the centrifugal fan with the energy recovery function comprises a centrifugal fan, an air extraction mechanism and an air pushing mechanism, wherein the air extraction mechanism is arranged on the centrifugal fan, and the air pushing mechanism is arranged at the left part of the centrifugal fan.
Optionally, the air extraction mechanism is including gas storage barrel, swivel mount, reset spring, piston rod and breathing pipe, centrifugal fan upper right portion is connected with the gas storage barrel, the lower part is connected with first one-way pneumatic valve in the gas storage barrel, sliding connection has the piston rod in the gas storage barrel, be connected with reset spring between piston rod upper portion and the gas storage barrel top, the lower part is connected with the breathing pipe and communicates behind the gas storage barrel, the back of breathing in towards the rear side, be equipped with the one-way pneumatic valve of second in the breathing pipe, centrifugal fan upper portion's air outlet front portion rotation is connected with the swivel mount, swivel mount and piston rod upper portion extrusion fit.
Optionally, the gas pushing mechanism comprises a gas pushing frame, a return spring, a pull rope and guide wheels, the left lower part of the centrifugal fan is connected with the gas pushing frame in a sliding mode, the return spring is connected between the right part of the gas pushing frame and the centrifugal fan, the guide wheels are rotationally connected to the left side and the right side of the front upper part of the centrifugal fan, the guide wheels are rotationally connected to the left lower side of the front part of the centrifugal fan, the pull rope is connected between the piston rod and the gas pushing frame, and the pull rope bypasses the guide wheels respectively.
Optionally, the centrifugal fan further comprises an air supply mechanism, wherein the air supply mechanism comprises a fan, a transmission frame and a movable frame, the upper right part of the centrifugal fan is rotatably connected with the fan, the eccentric position of the rear part of the fan is rotatably connected with the transmission frame, the front side of the upper right part of the centrifugal fan is slidably connected with the movable frame, and the movable frame is movably connected with the lower part of the transmission frame.
Optionally, still including coupling spring and extrusion frame, centrifugal fan upper right portion's front side slidingtype is connected with the extrusion frame, and the extrusion frame is located and removes the frame top, and extrusion frame top and piston rod upper portion extrusion cooperation remove and be connected with coupling spring between frame right part and the centrifugal fan.
Optionally, the device further comprises a lifting mechanism, wherein the lifting mechanism comprises a lifting frame, a transmission rod, a fixing frame and a torsion spring, the lifting frame is connected to the upper side and the lower side of the air pushing frame in a sliding mode, the transmission rod is connected to the rear portion of the lifting frame in a rotating mode, the fixing frame is welded to the left lower portion of the centrifugal fan, the right portion of the transmission rod is connected with the fixing frame in a rotating mode, and the torsion spring is connected between the right portion of the transmission rod and the fixing frame.
Optionally, the centrifugal fan comprises a centrifugal fan body, and is characterized by further comprising a power assisting mechanism, wherein the power assisting mechanism comprises a fixed rod and a guide plate, the fixed rod is connected to the position of an air outlet at the top of the centrifugal fan body, the guide plate is arranged on the fixed rod, and the guide plate is arranged in a mode of being high in front and low in rear and inclined.
Optionally, the device also comprises a retraction mechanism, wherein the retraction mechanism comprises a lower pushing frame and a limiting spring, the upper side and the lower side of the front part of the air pushing frame are both connected with the lower pushing frame in a sliding manner, the lower pushing frames are respectively and fixedly connected with the similar lifting frames, and the limiting springs are connected between the lower pushing frame and the air pushing frame.
The beneficial effects are that: according to the invention, the centrifugal fan is used for exhausting air, so that the rotating frame rotates, the rotating frame intermittently extrudes the piston rod, wind is intermittently discharged to the position of the air inlet of the centrifugal fan, and after the piston rod moves downwards, the air pushing frame also moves rightwards to discharge the wind to the air inlet of the centrifugal fan, the air outlet capacity of the centrifugal fan is converted into kinetic energy, and the wind energy can be recycled; according to the invention, the intermittent extrusion press frame moves up and down through the piston rod, so that the fan rotates, and the fan blows the wind direction centrifugal fan at the position of the air inlet, thereby facilitating the recovery of wind energy by the centrifugal fan; according to the invention, the lifting frame can be automatically driven to extend through the rightward movement of the air pushing frame, so that the air pushing area of the air pushing frame is enlarged, and the air inlet of the centrifugal fan is accelerated.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of a partial perspective structure of the present invention.
Fig. 3 is a schematic perspective view of an air extraction mechanism according to the present invention.
FIG. 4 is a perspective sectional view of the air extraction mechanism of the present invention.
Fig. 5 is a schematic view of a first perspective structure of the air pushing mechanism of the present invention.
Fig. 6 is a schematic view of a second perspective structure of the air pushing mechanism of the present invention.
Fig. 7 is a schematic view of a first perspective of the air feeding mechanism according to the present invention.
Fig. 8 is a schematic view of a second perspective of the air feeding mechanism according to the present invention.
Fig. 9 is a schematic diagram of a first perspective structure of the lifting mechanism of the present invention.
Fig. 10 is a schematic diagram of a second perspective structure of the lifting mechanism of the present invention.
Fig. 11 is a schematic view of a third perspective structure of the lifting mechanism of the present invention.
Fig. 12 is a schematic view of a first perspective of the booster mechanism of the present invention.
Fig. 13 is a schematic view of a second perspective of the booster mechanism of the present invention.
Fig. 14 is a schematic perspective view of the retracting mechanism of the present invention.
Reference numerals in the figures: 1. centrifugal fan, 2, air extraction mechanism, 21, gas storage, 22, swivel mount, 23, return spring, 24, piston rod, 25, breathing pipe, 3, pushing mechanism, 31, pushing frame, 32, return spring, 33, stay cord, 34, leading wheel, 4, air supply mechanism, 41, fan, 42, driving frame, 43, moving frame, 44, connecting spring, 45, extrusion frame, 5, elevating mechanism, 51, elevating frame, 52, driving rod, 53, fixing frame, 54, torsion spring, 6, helping hand mechanism, 61, dead lever, 62, deflector, 7, retracting mechanism, 71, pushing down frame, 72, limiting spring.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings.
Example 1
The utility model provides a centrifugal fan with energy recuperation function, as shown in fig. 1-2, including centrifugal fan 1, air extraction mechanism 2 and pushing away air mechanism 3, be equipped with air extraction mechanism 2 on the centrifugal fan 1, blow gas to centrifugal fan 1 air intake through air extraction mechanism 2 to accelerate centrifugal fan 1 and carry out the convulsions, centrifugal fan 1 left portion is equipped with pushes away air mechanism 3, promotes gas to centrifugal fan 1 air intake through pushing away air mechanism 3, accelerates centrifugal fan 1 convulsions.
As shown in fig. 1, 3 and 4, the air extraction mechanism 2 comprises an air storage barrel 21, a rotating frame 22, a return spring 23, a piston rod 24 and an air suction pipe 25, wherein the air storage barrel 21 is connected to the right upper part of the centrifugal fan 1, a first one-way air valve is connected to the inner lower part of the air storage barrel 21, the piston rod 24 is connected to the inner sliding part of the air storage barrel 21, the return spring 23 is connected between the upper part of the piston rod 24 and the top of the air storage barrel 21, the rear lower part of the air storage barrel 21 is connected with the air suction pipe 25 and communicated, the air suction pipe 25 faces to the rear side after air suction, a second one-way air valve is arranged in the air suction pipe 25, the rotating frame 22 is connected to the front part of an air outlet at the upper part of the centrifugal fan 1 in a rotating way, the rotating frame 22 is in extrusion fit with the upper part of the piston rod 24, and the rotating frame 22 rotates to intermittently extrude the piston rod 24, so that the piston rod 24 intermittently moves up and down to convey air to the air inlet of the centrifugal fan 1.
As shown in fig. 1, 5 and 6, the air pushing mechanism 3 comprises an air pushing frame 31, a return spring 32, a pull rope 33 and a guide wheel 34, the air pushing frame 31 is connected to the left lower portion of the centrifugal fan 1 in a sliding manner, the return spring 32 is connected between the right portion of the air pushing frame 31 and the centrifugal fan 1, the guide wheels 34 are rotatably connected to the left side and the right side of the front upper portion of the centrifugal fan 1, the guide wheel 34 is rotatably connected to the left lower side of the front portion of the centrifugal fan 1, the pull rope 33 is connected between the piston rod 24 and the air pushing frame 31, the pull rope 33 bypasses the guide wheels 34 respectively, the piston rod 24 moves downwards to drive the air pushing frame 31 to move rightwards through the pull rope 33 to push air to the air inlet position of the centrifugal fan 1, and therefore air inlet of the centrifugal fan 1 is accelerated.
When the centrifugal fan 1 is used, the centrifugal fan 1 is started, the air outlet of the centrifugal fan 1 rapidly discharges air, the air intermittently extrudes the rotating frame 22, the front part of the rotating frame 22 swings downwards to extrude the piston rod 24, the piston rod 24 moves downwards, the reset spring 23 is compressed, under the action of the second one-way air valve, the air cannot be discharged to the rear part of the air suction pipe 25, only the air can be downwards discharged to the air inlet position of the centrifugal fan 1, thereby assisting the air inlet of the centrifugal fan 1 to accelerate and intake the air, the air pushing frame 31 can be driven to move rightwards through the pull rope 33 when the piston rod 24 moves downwards, the reset spring 32 is compressed, the air pushing frame 31 moves rightwards to push the air to the air inlet position of the centrifugal fan 1, so that the air outlet capacity of the centrifugal fan 1 can be converted into kinetic energy, and the air inlet of the centrifugal fan 1 is accelerated, the air can be recovered, when the rotating frame 22 does not extrude the piston rod 24, the piston rod 24 is driven to move upwards to reset under the action of the reset spring 23, the air cannot be returned through the lower part of the air storage barrel 21 at the moment, and under the action of the second one-way air valve, the air can be repeatedly conveyed to the air inlet position of the centrifugal fan 1 through the air suction pipe 21 after the air inlet is repeatedly operated to the air inlet position of the centrifugal fan 1. In addition, when the piston rod 24 moves upwards to reset and release the pull rope 33, the air pushing frame 31 is driven to move leftwards to reset under the action of the return spring 32.
Example 2
On the basis of the embodiment 1, as shown in fig. 1, 7 and 8, the centrifugal fan further comprises an air supply mechanism 4, the air supply mechanism 4 comprises a fan 41, a transmission frame 42 and a movable frame 43, the upper right part of the centrifugal fan 1 is rotatably connected with the fan 41, the eccentric position of the rear part of the fan 41 is rotatably connected with the transmission frame 42, the front side of the upper right part of the centrifugal fan 1 is slidably connected with the movable frame 43, the movable frame 43 is movably connected with the lower part of the transmission frame 42, and the movable frame 43 moves left and right to drive the fan 41 to rotate through the transmission frame 42, so that air can be discharged to the position of an air inlet of the centrifugal fan 1.
As shown in fig. 8, the centrifugal fan further comprises a connecting spring 44 and an extrusion frame 45, the front side of the right upper part of the centrifugal fan 1 is connected with the extrusion frame 45 in a sliding manner, the extrusion frame 45 is located above the movable frame 43, the extrusion frame 45 is in extrusion fit with the movable frame 43, the top of the extrusion frame 45 is in extrusion fit with the upper part of the piston rod 24, the connecting spring 44 is connected between the right part of the movable frame 43 and the centrifugal fan 1, the piston rod 24 moves downwards to extrude the extrusion frame 45, and then the extrusion frame 45 drives the movable frame 43 to move rightwards.
When the piston rod 24 moves downwards to contact the extrusion frame 45, the extrusion frame 45 is driven to move downwards, the extrusion frame 45 moves downwards to extrude the movable frame 43, the movable frame 43 moves rightwards, the connecting spring 44 is compressed, the movable frame 43 drives the fan 41 to rotate through the transmission frame 42, when the piston rod 24 moves upwards to separate the extrusion frame 45, the movable frame 43 is driven to move leftwards to reset under the action of the connecting spring 44, the extrusion frame 45 moves upwards, the movable frame 43 drives the fan 41 to rotate again through the transmission frame 42, the operation is repeated, the fan 41 can rotate continuously, and therefore the fan 41 can blow the air inlet position of the air direction centrifugal fan 1, the centrifugal fan 1 is convenient to recover wind energy, and air inlet is accelerated.
As shown in fig. 1, 9, 10 and 11, the device further comprises a lifting mechanism 5, the lifting mechanism 5 comprises a lifting frame 51, a transmission rod 52, a fixing frame 53 and a torsion spring 54, the lifting frame 51 is connected to the upper side and the lower side in the air pushing frame 31 in a sliding mode, the transmission rod 52 is connected to the rear portion of the lifting frame 51 in a rotating mode, the fixing frame 53 is welded to the left lower portion of the centrifugal fan 1, the right portion of the transmission rod 52 is connected to the fixing frame 53 in a rotating mode, the torsion spring 54 is connected between the right portion of the transmission rod 52 and the fixing frame 53, the air pushing frame 31 moves right to drive the lifting frame 51 to move right, and the lifting frame 51 on the upper side is driven to move up through the transmission rod 52, and the lifting frame 51 on the lower side moves down.
The air pushing frame 31 moves rightwards to drive the lifting frame 51 to move rightwards, so that the upper transmission rod 52 rotates clockwise, the lower transmission rod 52 rotates anticlockwise, the torsion spring 54 is twisted, the upper lifting frame 51 moves upwards, the lower lifting frame 51 moves downwards to be unfolded, the lifting frame 51 can extend the air pushing frame 31, the air pushing frame 31 can push larger wind direction rightwards so that the centrifugal fan 1 can pump air, the air pushing frame 31 moves leftwards to drive the lifting frame 51 to move leftwards to reset, and under the action of the torsion spring 54, the transmission rod 52 is driven to rotate to reset, and then the lifting frame 51 is retracted into the air pushing frame 31.
As shown in fig. 1, 12 and 13, the centrifugal fan comprises a power assisting mechanism 6, the power assisting mechanism 6 comprises a fixed rod 61 and a guide plate 62, the fixed rod 61 is connected to the position of an air outlet at the top of the centrifugal fan 1, the guide plate 62 is arranged on the fixed rod 61, the guide plate 62 is arranged in a low-inclination mode at the front high rear, and air exhausted by the centrifugal fan 1 can be blown to the rear of the rotating frame 22 under the action of the guide plate 62.
The air discharged from the centrifugal fan 1 is blown to the guide plate 62, and the air is blown upward and forward by the guide plate 62, so that the blowing of the rotating frame 22 can be enhanced, and the effect of resistance is achieved.
As shown in fig. 1 and 14, the device further comprises a retraction mechanism 7, the retraction mechanism 7 comprises a lower pushing frame 71 and a limiting spring 72, the lower pushing frame 71 is connected to the upper side and the lower side of the front part of the air pushing frame 31 in a sliding manner, the lower pushing frames 71 are respectively and fixedly connected with the adjacent lifting frames 51, and the limiting spring 72 is connected between the lower pushing frame 71 and the air pushing frame 31.
When the lifting frame 51 is unfolded, the pushing frame 71 is driven to move to the side far away from each other, the limiting spring 72 is compressed, and in the process of shrinkage of the lifting frame 51, the pushing frame 71 can be driven to assist the lifting frame 51 to shrink and reset under the action of the limiting spring 72.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a centrifugal fan with energy recuperation function which characterized in that: the centrifugal fan comprises a centrifugal fan (1), an air extraction mechanism (2) and an air pushing mechanism (3), wherein the air extraction mechanism (2) is arranged on the centrifugal fan (1), and the air pushing mechanism (3) is arranged at the left part of the centrifugal fan (1).
2. A centrifugal fan with energy recovery function as defined in claim 1, wherein: the air suction mechanism (2) comprises an air storage barrel (21), a rotating frame (22), a return spring (23), a piston rod (24) and an air suction pipe (25), wherein the air storage barrel (21) is connected to the right upper portion of the centrifugal fan (1), a first one-way air valve is connected to the inner lower portion of the air storage barrel (21), the piston rod (24) is connected to the inner lower portion of the air storage barrel (21) in a sliding mode, the return spring (23) is connected between the upper portion of the piston rod (24) and the top of the air storage barrel (21), the rear lower portion of the air storage barrel (21) is connected with the air suction pipe (25) and communicated, the air suction pipe (25) faces to the rear side after air suction, a second one-way air valve is arranged in the air suction pipe (25), and the rotating frame (22) is connected to the front portion of an air outlet of the upper portion of the centrifugal fan (1) in a rotating mode, and the upper portion of the rotating frame (22) is in extrusion fit with.
3. A centrifugal fan with energy recovery function as defined in claim 2, wherein: the air pushing mechanism (3) comprises an air pushing frame (31), return springs (32), pull ropes (33) and guide wheels (34), wherein the air pushing frame (31) is connected to the left lower portion of the centrifugal fan (1) in a sliding mode, the return springs (32) are connected between the right portion of the air pushing frame (31) and the centrifugal fan (1), the guide wheels (34) are rotatably connected to the left side and the right side of the front upper portion of the centrifugal fan (1), the guide wheels (34) are rotatably connected to the left lower side of the front portion of the centrifugal fan (1), the pull ropes (33) are connected to the piston rods (24) and the air pushing frame (31), and the guide wheels (34) are respectively bypassed by the pull ropes (33).
4. A centrifugal fan with energy recovery function as defined in claim 3, wherein: the centrifugal fan is characterized by further comprising an air supply mechanism (4), wherein the air supply mechanism (4) comprises a fan (41), a transmission frame (42) and a movable frame (43), the fan (41) is rotatably connected to the right upper portion of the centrifugal fan (1), the transmission frame (42) is rotatably connected to the eccentric position of the rear portion of the fan (41), the movable frame (43) is slidably connected to the front side of the right upper portion of the centrifugal fan (1), and the movable frame (43) is movably connected to the lower portion of the transmission frame (42).
5. The centrifugal fan with an energy recovery function according to claim 4, wherein: still including coupling spring (44) and extrusion frame (45), the front side sliding connection of centrifugal fan (1) upper right portion has extrusion frame (45), and extrusion frame (45) are located and remove frame (43) top, extrusion frame (45) and remove frame (43) extrusion cooperation, extrusion frame (45) top and piston rod (24) upper portion extrusion cooperation are connected with coupling spring (44) between removal frame (43) right part and centrifugal fan (1).
6. The centrifugal fan with an energy recovery function according to claim 5, wherein: the novel air pushing device is characterized by further comprising a lifting mechanism (5), wherein the lifting mechanism (5) comprises a lifting frame (51), a transmission rod (52), a fixing frame (53) and a torsion spring (54), the lifting frame (51) is connected to the upper side and the lower side of the air pushing frame (31) in a sliding mode, the transmission rod (52) is connected to the rear portion of the lifting frame (51) in a rotating mode, the fixing frame (53) is welded to the left lower portion of the centrifugal fan (1), the right portion of the transmission rod (52) is connected with the fixing frame (53) in a rotating mode, and the torsion spring (54) is connected between the right portion of the transmission rod (52) and the fixing frame (53).
7. The centrifugal fan with an energy recovery function according to claim 6, wherein: the centrifugal fan is characterized by further comprising a power assisting mechanism (6), wherein the power assisting mechanism (6) comprises a fixed rod (61) and a guide plate (62), the fixed rod (61) is connected to the position of an air outlet at the top of the centrifugal fan (1), the guide plate (62) is arranged on the fixed rod (61), and the guide plate (62) is arranged in a front high-rear low-inclination mode.
8. The centrifugal fan with an energy recovery function according to claim 7, wherein: the device also comprises a retraction mechanism (7), wherein the retraction mechanism (7) comprises a lower pushing frame (71) and a limiting spring (72), the upper side and the lower side of the front part of the air pushing frame (31) are both connected with the lower pushing frame (71) in a sliding manner, the lower pushing frames (71) are respectively and fixedly connected with the adjacent lifting frames (51), and the limiting springs (72) are respectively connected between the lower pushing frames (71) and the air pushing frames (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310472833.7A CN116608137B (en) | 2023-04-28 | 2023-04-28 | Centrifugal fan with energy recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310472833.7A CN116608137B (en) | 2023-04-28 | 2023-04-28 | Centrifugal fan with energy recovery function |
Publications (2)
| Publication Number | Publication Date |
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| CN116608137A true CN116608137A (en) | 2023-08-18 |
| CN116608137B CN116608137B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310472833.7A Active CN116608137B (en) | 2023-04-28 | 2023-04-28 | Centrifugal fan with energy recovery function |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100272588A1 (en) * | 2009-04-28 | 2010-10-28 | Alberto Scotti Del Greco | Energy recovery system in a gas compression plant |
| CN102041980A (en) * | 2009-10-21 | 2011-05-04 | 李德堂 | Non-impact hydraulic oil pumping device capable of realizing full energy recovery |
| WO2011134302A1 (en) * | 2010-04-28 | 2011-11-03 | Chen Daqian | Seawater desalination treatment system, power generation system and comprehensive energy utilization system using tide energy |
| CN103953559A (en) * | 2014-04-03 | 2014-07-30 | 开县人人有余科技有限公司 | Air pumping system comprising energy recovery fan |
| CN216142940U (en) * | 2021-08-24 | 2022-03-29 | 诸暨市晨宇环保设备有限公司 | Negative pressure sealing device of centrifugal fan |
-
2023
- 2023-04-28 CN CN202310472833.7A patent/CN116608137B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100272588A1 (en) * | 2009-04-28 | 2010-10-28 | Alberto Scotti Del Greco | Energy recovery system in a gas compression plant |
| CN102041980A (en) * | 2009-10-21 | 2011-05-04 | 李德堂 | Non-impact hydraulic oil pumping device capable of realizing full energy recovery |
| WO2011134302A1 (en) * | 2010-04-28 | 2011-11-03 | Chen Daqian | Seawater desalination treatment system, power generation system and comprehensive energy utilization system using tide energy |
| CN103953559A (en) * | 2014-04-03 | 2014-07-30 | 开县人人有余科技有限公司 | Air pumping system comprising energy recovery fan |
| CN216142940U (en) * | 2021-08-24 | 2022-03-29 | 诸暨市晨宇环保设备有限公司 | Negative pressure sealing device of centrifugal fan |
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| Publication number | Publication date |
|---|---|
| CN116608137B (en) | 2024-03-26 |
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