CN114046263B - Bending and sweeping combined orthogonal axial fan capable of automatically removing dust - Google Patents
Bending and sweeping combined orthogonal axial fan capable of automatically removing dust Download PDFInfo
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- CN114046263B CN114046263B CN202111448919.3A CN202111448919A CN114046263B CN 114046263 B CN114046263 B CN 114046263B CN 202111448919 A CN202111448919 A CN 202111448919A CN 114046263 B CN114046263 B CN 114046263B
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- removing brush
- dust removing
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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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
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
- F04D29/386—Skewed blades
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/705—Adding liquids
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a bending and sweeping combined orthogonal axial fan capable of automatically removing dust, which comprises a fan shell, a motor, an impeller, a dust removing component and a controller, wherein the fan shell is arranged on the fan shell; the motor is arranged at one end of the fan shell, and the impeller is arranged inside the fan shell and is connected with the motor; the dust removing assembly comprises an equipment sleeve, a movable sleeve, a rotary sleeve and a dust removing brush plate, wherein the equipment sleeve is arranged in a fan shell, the movable sleeve is arranged in the fan shell, a movable motor for providing power for the movable sleeve is arranged in the equipment sleeve, the rotary sleeve is clamped on the inner side of the movable sleeve, a first micro motor for providing power for the rotary sleeve is arranged on the equipment sleeve, the dust removing brush plate is clamped in the rotary sleeve, an adjusting gear and a dust removing brush head are arranged on the dust removing brush plate, and a second micro motor for providing power for the adjusting gear is arranged in the rotary sleeve; the controller is respectively and electrically connected with each electric equipment; the invention has reasonable structural design, can effectively reduce the power loss of the axial flow motor, and is suitable for mass popularization.
Description
Technical Field
The invention relates to the technical field of axial flow fans, in particular to a bending and sweeping combined orthogonal axial flow fan capable of automatically removing dust.
Background
The axial flow fan has very wide application, namely, the air flow in the same direction with the axis of the fan blade, such as an electric fan, and the fan of the air conditioner external unit is an axial flow running fan. This is called "axial flow" because the gas flows parallel to the fan axis; the axial flow fan is usually used in occasions with higher flow requirements and lower pressure requirements, the axial flow fan is fixed in position and moves air, and the axial flow fan mainly comprises a fan impeller and a shell, has a simple structure and has very high data requirements; at present, the curved blade is widely applied to impeller machinery, and a large number of experimental researches and numerical calculations show that reasonable blade curved sweep can change radial component force of acting force of the blade and air flow, control the surface pressure gradient distribution of the blade, reduce flow loss and achieve the purpose of improving aerodynamic performance of the impeller machinery.
Then, the phenomena of dust, foreign matters and the like accumulated on the surface of the impeller of the axial flow fan are found in the use process of the axial flow fan, so that the weight of the bent and swept blades is changed and different, the bent and swept blades cannot be well balanced, vibration is generated in the axial flow classifying rotation process, and the structural stability of the axial flow fan is affected; meanwhile, the weight of the swept blade is increased, so that the load born by the connecting part is increased, the service life of the connecting part is influenced, and the aerodynamic performance of the swept blade is influenced.
Disclosure of Invention
Aiming at the technical problems, the invention provides an efficient and energy-saving sweep combined orthogonal axial fan capable of automatically removing dust.
The technical scheme of the invention is as follows: a bending and sweeping combined orthogonal axial fan capable of automatically removing dust comprises a fan shell, a motor, an impeller, a dust removing component and a controller; the lower end of the fan shell is provided with a fan bracket, the motor is connected to one end of the fan shell through the frame, and an output shaft of the motor penetrates through the frame and then extends into the fan shell;
the impeller comprises a hub and curved blades, the hub is movably sleeved on an output shaft through a shaft sleeve, the shaft sleeve is fixed with the output shaft through a bolt, a positioning groove is formed in the outer wall of the hub, two sides of the periphery of the hub are fixedly connected with movable sleeves through bolts, the two movable sleeves are mutually buckled, the joint of the two movable sleeves is provided with clamping grooves, the number of the curved blades is 10-15, the root parts of the curved blades are all provided with connecting pressing plates, the end parts of the connecting pressing plates are provided with positioning blocks, and 10-15 curved blades are uniformly distributed on the surface of the hub and are movably clamped with the clamping grooves through the connecting pressing plates;
the dust removing assembly comprises an equipment sleeve, a movable sleeve, a rotary sleeve and a dust removing brush plate; the device sleeve is sleeved in the fan shell, the upper end and the lower end of the interior of the device sleeve are respectively provided with a movable motor, the output shafts at the two ends of the movable motor are respectively provided with a threaded screw rod, and the two threaded screws respectively penetrate through the device sleeve; the two movable sleeves are movably sleeved in the fan shell and are respectively positioned at two sides of the equipment sleeve, and the two movable sleeves are respectively in threaded connection with threaded lead screws at two sides of the equipment sleeve; the two rotary sleeves are respectively and rotationally clamped on the inner sides of the two movable sleeves, rotary gear rings are arranged on the opposite sides of the two rotary sleeves, first micro motors are arranged on the two sides of the interior of the equipment sleeve, first gears are arranged on output shafts of the first micro motors, and the two first gears can be respectively meshed with the two rotary gear rings; 3-6 dust-removing brush plates are arranged, 3-6 dust-removing brush plates are uniformly distributed in the rotary sleeve and are respectively clamped with the inner wall of the rotary sleeve in a rotating way, adjusting gears are arranged at the joints of the dust-removing brush plates and the rotary sleeve, dust-removing brush heads are arranged on the dust-removing brush plates, and through grooves are arranged at the positions of the rotary sleeve corresponding to the positions of the dust-removing brush plates; an adjusting gear ring and a second micro motor are arranged in the rotating sleeve, the adjusting gear ring is rotationally clamped with the inner wall of the rotating sleeve and is respectively connected with each adjusting gear in a meshed manner, and the second micro motor provides power for the adjusting gear ring;
the controller is electrically connected with the motor, the mobile motor, the first micro motor and the second micro motor respectively.
Further, all rotate the joint with two rotatory cover positions and have the locating sleeve on the output shaft, all be provided with the draw-in groove that corresponds with dust removal brush board position on two locating sleeves, each dust removal brush board tip all is provided with the fixture block, through setting up the locating sleeve, can with the locating sleeve joint when dust removal brush board works to can improve the stability of dust removal brush board rotation in-process.
Further, the forward bending angle of the bent and swept blade is 8-21 degrees, the forward bending angle is 15-24 degrees, the forward bending and the forward sweeping are in smooth transition through the circular arc, and the pneumatic performance of the axial flow fan can be effectively improved by controlling the forward bending angle and the forward bending angle of the bent and swept blade, and meanwhile vibration generated in the running process of the axial flow fan is reduced.
Further, the other end of the fan shell is provided with the fairing, so that the air loss of the axial flow fan can be reduced through the fairing, and the pressure and the flow of the axial flow fan are effectively improved.
Further, a plurality of dust removal spray pipes are arranged on the inner side of the equipment sleeve, and atomizing spray nozzles are arranged on the dust removal spray pipes, so that dust falling operation can be performed in the dust removal process of the curved blade through arranging the dust removal spray pipes and the atomizing spray nozzles, and dirt cleaned on the curved blade is prevented from polluting the working environment.
Further, all be provided with 3~5 dust removal brush heads on each dust removal brush board, each dust removal brush head all is provided with the limiting plate through slide bar and dust removal brush board slip joint, and each slide bar all runs through the limiting plate, all overlaps on each slide bar and is equipped with reset spring, reset spring one end and limiting plate butt, the other end and the inner wall butt of slide bar, through setting up the slide bar on the dust removal brush head, can effectively improve the dust removal brush head and curved contact efficiency who sweeps the blade to improve axial fan's dust removal effect.
Further, connecting gears are arranged at the end parts of the sliding rods, and the connecting gears are sequentially meshed and connected; the inside third micro motor that is provided with of dust removal brush board is provided with drive gear on the output shaft of third micro motor, and drive gear is connected with one of them connection gear meshing, utilizes third micro motor to drive gear rotation to make each dust removal brush head not only can rotate along with the dust removal brush board, can pass certainly moreover, effectively guaranteed axial fan's dust removal efficiency.
Further, each dust removing brush head is in threaded connection with the corresponding sliding rod, and the dust removing brush heads in threaded connection are convenient to detach and maintain.
Further, the connecting clamp plate is provided with the locating pin with the joint groove junction, can improve the stability of being connected between curved sweep blade and the movable sleeve through setting up the locating pin to improve axial fan's operational reliability.
Further, the curved blade is made of one material of aluminum alloy, ABS plastic and glass fiber reinforced plastic, and the curved blade made of the aluminum alloy, the ABS plastic and the glass fiber reinforced plastic can reduce the quality of the curved blade on the premise of ensuring the structural strength of the curved blade, thereby reducing the operation load of the axial flow fan.
The working principle of the invention is as follows:
the controller is respectively and electrically connected with the motor, the mobile motor, the first micro motor, the second micro motor and the third micro motor; the motor, the mobile motor, the first micro motor, the second micro motor and the third micro motor are respectively powered by an external power supply; the output shaft of the motor is utilized to drive the impeller to rotate;
when the impeller is required to be cleaned, the dust-removing spray pipe is connected with an external water source, and cleaning water is sprayed onto the curved blades by utilizing the atomizing nozzle; the controller is used for controlling the starting of the movable motor, and the movable motor is used for driving the threaded screw rod to rotate, so that the two movable sleeves are mutually close; then the controller is used for controlling the second micro motor to start, and the second micro motor drives the adjusting gear ring to rotate, so that each dust removing brush plate rotates by a certain angle under the action of the adjusting gear, and finally a clamping block on the dust removing brush plate is clamped in a clamping groove on the positioning sleeve; finally, the controller is used for controlling the first micro motor to start, a first gear on the first micro motor is used for driving a rotary gear ring on the rotary sleeve to rotate, so that the rotary sleeve drives the dust removing brush plate to rotate, and dust on two sides of the curved and swept blade is cleaned by the dust removing brush head;
the controller is used for controlling the third micro motor to start, and the third micro motor is used for driving the driving gear to rotate, so that each dust removing brush head is self-transferred; meanwhile, in the rotating process of the dust removing brush plate, the sliding rods on the dust removing brush heads move back and forth on the limiting plate, so that the dust removing brush heads are ensured to be in effective contact with the curved and swept blades.
Compared with the prior art, the invention has the beneficial effects that: the curved sweep fan has reasonable structural design, and the forward bending angle and the forward sweep angle of the curved sweep blades are controlled, so that the generated noise can be fully decomposed at the downward-pressing bending position in the rotating process of the fan impeller, the speed change of the noise is further improved, the noise generated in the running process of the axial flow fan can be reduced, and the power loss of the fan can be effectively reduced;
according to the invention, the dust removal assembly capable of automatically removing dust on the curved and swept blades is arranged, so that dust or foreign matters accumulated on the surfaces of the curved and swept blades are avoided, and the integral structural stability of the axial flow fan is effectively ensured; meanwhile, the surface of the bent and swept blade can keep good aerodynamic performance, the working efficiency of the axial flow fan is improved, and the power loss of the axial flow fan is reduced;
when the dust removing brush plate is not used, the dust removing brush plate can be stored in the rotary sleeve, so that the dust removing assembly is prevented from interfering the operation of the fan impeller, and the reliability of the dust removing assembly is improved.
Drawings
FIG. 1 is a longitudinal cross-sectional view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is an enlarged schematic view of the present invention at A in FIG. 1;
FIG. 5 is an enlarged schematic view of the present invention at B in FIG. 1;
FIG. 6 is an enlarged schematic view of the present invention at C in FIG. 1;
FIG. 7 is a schematic representation of the apparatus sleeve and impeller of the present invention within a blower housing;
FIG. 8 is a schematic view of the structure of the dust removing brush plate of the present invention in an operating state;
FIG. 9 is a schematic diagram of the connection of the dust collector brush plate to the rotating sleeve of the present invention;
the novel dust collector comprises a 1-fan shell, a 10-fan support, a 11-fairing, a 2-motor, a 20-frame, a 21-output shaft, a 22-positioning sleeve, a 220-clamping groove, a 3-impeller, a 30-hub, a 300-shaft sleeve, a 301-positioning groove, a 31-sweep blade, a 310-connection pressing plate, a 3100-positioning pin, a 311-positioning block, a 32-movable sleeve, a 320-clamping groove, a 4-dust collection assembly, a 40-equipment sleeve, a 400-movable motor, a 401-threaded lead screw, a 41-movable sleeve, a 42-rotating sleeve, a 420-rotating gear ring, a 421-first micro motor, a 4210-first gear, a 422-through groove, a 423-adjusting gear ring, a 424-second micro motor, a 43-dust collection brush plate, a 430-adjusting gear, a 431-dust collection brush head, a 432-clamping block, a 433-sliding rod, a 4330-return spring, a 4331-connection gear, a 434-limiting plate, a 435-third micro motor, a 4350-driving gear, a 44-dust collection spray pipe and a 440-atomizer.
Detailed Description
Example 1: the bending and sweeping combined orthogonal axial fan capable of automatically removing dust as shown in figures 1 and 2 comprises a fan shell 1, a motor 2, an impeller 3, a dust removal component 4 and a controller; the lower end of the fan shell 1 is provided with a fan bracket 10, the motor 2 is connected to one end of the fan shell 1 through a frame 20, and an output shaft 21 of the motor 2 penetrates through the frame 20 and then extends into the fan shell 1;
as shown in fig. 1 and 5, the impeller 3 comprises a hub 30 and curved swept blades 31, the hub 30 is movably sleeved on the output shaft 21 through a shaft sleeve 300, the shaft sleeve 300 is fixed with the output shaft 21 through bolts, a positioning groove 301 is arranged on the outer wall of the hub 30, two sides of the periphery of the hub 30 are fixedly connected with movable sleeves 32 through bolts, the two movable sleeves 32 are mutually buckled, a joint groove 320 is arranged at the joint of the two movable sleeves 32, 12 curved swept blades 31 are arranged, connecting pressing plates 310 are arranged at the root parts of the curved swept blades 31, positioning blocks 311 are arranged at the end parts of the connecting pressing plates 310, the 12 curved swept blades 31 are uniformly distributed on the surface of the hub 30, and are movably clamped with the joint groove 320 through the connecting pressing plates 310, and are movably clamped with the positioning groove 301 through the positioning blocks 311; the curved sweep blade 31 is made of a glass fiber reinforced plastic medium material, and the curved sweep blade 31 made of the glass fiber reinforced plastic material can reduce the quality of the curved sweep blade 31 on the premise of ensuring the structural strength of the curved sweep blade 31, thereby reducing the operation load of the axial flow fan;
as shown in fig. 1, 6, 7, 8, the dust removing assembly 4 includes an apparatus sleeve 40, a moving sleeve 41, a rotating sleeve 42, and a dust removing brush plate 43; the device sleeve 40 is sleeved in the fan shell 1, the upper end and the lower end of the interior of the device sleeve 40 are respectively provided with a mobile motor 400, output shafts at the two ends of the mobile motor 400 are respectively provided with a threaded lead screw 401, and the two threaded lead screws 401 respectively penetrate through the device sleeve 40; the two movable sleeves 41 and the two rotary sleeves 42 are respectively arranged, the two movable sleeves 41 are respectively movably sleeved in the fan shell 1 and are respectively positioned at two sides of the equipment sleeve 40, and the two movable sleeves 41 are respectively in threaded connection with threaded screws 401 at two sides of the equipment sleeve 40; the two rotary sleeves 42 are respectively and rotatably clamped on the inner sides of the two movable sleeves 41, rotary gear rings 420 are arranged on the opposite sides of the two rotary sleeves 42, first micro motors 421 are arranged on the two sides of the inside of the equipment sleeve 40, first gears 4210 are arranged on output shafts of the first micro motors 421, and the two first gears 4210 can be respectively meshed with the two rotary gear rings 420; the number of the dust removing brush plates 43 is 4, the 4 dust removing brush plates 43 are uniformly distributed in the rotary sleeve 42 and are respectively in rotary clamping connection with the inner wall of the rotary sleeve 42, the connection parts of the dust removing brush plates 43 and the rotary sleeve 42 are respectively provided with an adjusting gear 430, the dust removing brush plates 43 are respectively provided with dust removing brush heads 431, and the rotary sleeve 42 is provided with through grooves 422 at positions corresponding to the dust removing brush plates 42; an adjusting gear ring 423 and a second micro motor 424 are arranged in the rotary sleeve 42, the adjusting gear ring 423 is rotationally clamped with the inner wall of the rotary sleeve 42 and is respectively connected with each adjusting gear 430 in a meshed manner, and the second micro motor 424 provides power for the adjusting gear ring 423;
the controller is electrically connected with the motor 2, the mobile motor 400, the first micro motor 421 and the second micro motor 424 respectively; the controller, motor 2, mobile motor 400, first micro-motor 421 and second micro-motor 424 are all commercially available products.
Example 2: the bending and sweeping combined orthogonal axial fan capable of automatically removing dust comprises a fan shell 1, a motor 2, an impeller 3, a dust removing component 4 and a controller, wherein the fan shell is arranged on the upper surface of the fan shell; the lower end of the fan shell 1 is provided with a fan bracket 10, the motor 2 is connected to one end of the fan shell 1 through a frame 20, and an output shaft 21 of the motor 2 penetrates through the frame 20 and then extends into the fan shell 1; the output shaft 21 is rotatably clamped with the positioning sleeves 22 at positions corresponding to the two rotating sleeves 42, the two positioning sleeves 22 are provided with the clamping grooves 220 corresponding to the positions of the dust removing brush plates 43, the end parts of the dust removing brush plates 43 are provided with the clamping blocks 432, and the positioning sleeves 22 are arranged to be clamped with the positioning sleeves 22 when the dust removing brush plates 43 work, so that the stability of the dust removing brush plates 43 in the rotating process can be improved;
as shown in fig. 1 and 5, the impeller 3 comprises a hub 30 and curved swept blades 31, the hub 30 is movably sleeved on the output shaft 21 through a shaft sleeve 300, the shaft sleeve 300 is fixed with the output shaft 21 through bolts, a positioning groove 301 is arranged on the outer wall of the hub 30, two sides of the periphery of the hub 30 are fixedly connected with movable sleeves 32 through bolts, the two movable sleeves 32 are mutually buckled, a joint groove 320 is arranged at the joint of the two movable sleeves 32, 12 curved swept blades 31 are arranged, connecting pressing plates 310 are arranged at the root parts of the curved swept blades 31, positioning blocks 311 are arranged at the end parts of the connecting pressing plates 310, the 12 curved swept blades 31 are uniformly distributed on the surface of the hub 30, and are movably clamped with the joint groove 320 through the connecting pressing plates 310, and are movably clamped with the positioning groove 301 through the positioning blocks 311; the forward bending angle of the curved and swept blade 31 is 8 degrees, the forward bending angle is 15 degrees, the forward bending and the forward sweeping are in smooth transition through an arc, and the pneumatic performance of the axial flow fan can be effectively improved by controlling the forward bending angle and the forward bending angle of the curved and swept blade 31, and meanwhile vibration generated in the running process of the axial flow fan is reduced; the curved swept blade 31 is made of an ABS plastic material, and the curved swept blade 31 made of the ABS plastic material is adopted, so that the quality of the curved swept blade 31 can be reduced on the premise of ensuring the structural strength of the curved swept blade 31, and the running load of the axial flow fan is reduced;
as shown in fig. 1, 6, 7, 8, 9, the dust removing assembly 4 includes an apparatus sleeve 40, a moving sleeve 41, a rotating sleeve 42, and a dust removing brush plate 43; the device sleeve 40 is sleeved in the fan shell 1, the upper end and the lower end of the interior of the device sleeve 40 are respectively provided with a mobile motor 400, output shafts at the two ends of the mobile motor 400 are respectively provided with a threaded lead screw 401, and the two threaded lead screws 401 respectively penetrate through the device sleeve 40; the two movable sleeves 41 and the two rotary sleeves 42 are respectively arranged, the two movable sleeves 41 are respectively movably sleeved in the fan shell 1 and are respectively positioned at two sides of the equipment sleeve 40, and the two movable sleeves 41 are respectively in threaded connection with threaded screws 401 at two sides of the equipment sleeve 40; the two rotary sleeves 42 are respectively and rotatably clamped on the inner sides of the two movable sleeves 41, rotary gear rings 420 are arranged on the opposite sides of the two rotary sleeves 42, first micro motors 421 are arranged on the two sides of the inside of the equipment sleeve 40, first gears 4210 are arranged on output shafts of the first micro motors 421, and the two first gears 4210 can be respectively meshed with the two rotary gear rings 420; the number of the dust removing brush plates 43 is 4, the 4 dust removing brush plates 43 are uniformly distributed in the rotary sleeve 42 and are respectively in rotary clamping connection with the inner wall of the rotary sleeve 42, the connection parts of the dust removing brush plates 43 and the rotary sleeve 42 are respectively provided with an adjusting gear 430, the dust removing brush plates 43 are respectively provided with dust removing brush heads 431, and the rotary sleeve 42 is provided with through grooves 422 at positions corresponding to the dust removing brush plates 42; an adjusting gear ring 423 and a second micro motor 424 are arranged in the rotary sleeve 42, the adjusting gear ring 423 is rotationally clamped with the inner wall of the rotary sleeve 42 and is respectively connected with each adjusting gear 430 in a meshed manner, and the second micro motor 424 provides power for the adjusting gear ring 423; 4 dust-removing brush heads 431 are arranged on each dust-removing brush plate 43, each dust-removing brush head 431 is in sliding clamping connection with the dust-removing brush plate 43 through a sliding rod 433, a limiting plate 434 is arranged in the dust-removing brush plate 43, each sliding rod 433 penetrates through the limiting plate 434, a reset spring 4330 is sleeved on each sliding rod 433, one end of the reset spring 4330 is in butt joint with the limiting plate 434, the other end of the reset spring is in butt joint with the inner wall of the sliding rod 433, and the contact efficiency of the dust-removing brush heads 431 and the curved and swept blades 31 can be effectively improved through arranging the sliding rods 433 on the dust-removing brush heads 431, so that the dust-removing effect of the axial flow fan is improved; the end part of each sliding rod 433 is provided with a connecting gear 4331, and the connecting gears 4331 are sequentially meshed and connected; the third micro motor 435 is arranged in the dust removing brush plate 43, the driving gear 4350 is arranged on the output shaft of the third micro motor 435, the driving gear 4350 is meshed with one of the connecting gears 4331, and the driving gear 4350 is driven to rotate by the third micro motor 435, so that each dust removing brush head 431 can rotate along with the dust removing brush plate 43 and can automatically transmit, and the dust removing efficiency of the axial flow fan is effectively ensured;
the controller is electrically connected with the motor 2, the mobile motor 400, the first micro-motor 421, the second micro-motor 424 and the third micro-motor 435 respectively; the controller, motor 2, mobile motor 400, first micro-motor 421, second micro-motor 424, and third micro-motor 435 are all commercially available products.
Example 3: the bending and sweeping combined orthogonal axial fan capable of automatically removing dust as shown in figures 1, 2, 3 and 4 comprises a fan shell 1, a motor 2, an impeller 3, a dust removal component 4 and a controller; the lower end of the fan shell 1 is provided with a fan bracket 10, the other end of the fan shell 1 is provided with a fairing 11, and the air quantity loss of the axial flow fan can be reduced through the fairing 11, so that the pressure and the flow of the axial flow fan are effectively improved; the motor 2 is connected to one end of the fan shell 1 through the frame 20, and an output shaft 21 of the motor 2 penetrates through the frame 20 and extends into the fan shell 1; the output shaft 21 is rotatably clamped with the positioning sleeves 22 at positions corresponding to the two rotating sleeves 42, the two positioning sleeves 22 are provided with the clamping grooves 220 corresponding to the positions of the dust removing brush plates 43, the end parts of the dust removing brush plates 43 are provided with the clamping blocks 432, and the positioning sleeves 22 are arranged to be clamped with the positioning sleeves 22 when the dust removing brush plates 43 work, so that the stability of the dust removing brush plates 43 in the rotating process can be improved;
as shown in fig. 1 and 5, the impeller 3 comprises a hub 30 and curved swept blades 31, the hub 30 is movably sleeved on the output shaft 21 through a shaft sleeve 300, the shaft sleeve 300 is fixed with the output shaft 21 through bolts, a positioning groove 301 is arranged on the outer wall of the hub 30, two sides of the periphery of the hub 30 are fixedly connected with movable sleeves 32 through bolts, the two movable sleeves 32 are mutually buckled, a joint groove 320 is arranged at the joint of the two movable sleeves 32, 12 curved swept blades 31 are arranged, connecting pressing plates 310 are arranged at the root parts of the curved swept blades 31, positioning blocks 311 are arranged at the end parts of the connecting pressing plates 310, the 12 curved swept blades 31 are uniformly distributed on the surface of the hub 30, and are movably clamped with the joint groove 320 through the connecting pressing plates 310, and are movably clamped with the positioning groove 301 through the positioning blocks 311; the connecting part of the connecting pressing plate 310 and the clamping groove 320 is provided with the locating pin 3100, and the stability of the connection between the curved blade 31 and the movable sleeve 32 can be improved by arranging the locating pin 3100, so that the operation reliability of the axial flow fan is improved; the forward bending angle of the curved swept blade 31 is 21 degrees, the forward sweep angle is 24 degrees, the forward bending and the forward sweep are in smooth transition through an arc, and the pneumatic performance of the axial flow fan can be effectively improved by controlling the forward bending angle and the forward sweep angle of the curved swept blade 31, and meanwhile vibration generated in the running process of the axial flow fan is reduced; the curved swept blade 31 is made of an aluminum alloy material, and the curved swept blade 31 made of the aluminum alloy material can reduce the quality of the curved swept blade 31 on the premise of ensuring the structural strength of the curved swept blade 31, thereby reducing the operation load of the axial flow fan;
as shown in fig. 1, 6, 7, 8, 9, the dust removing assembly 4 includes an apparatus sleeve 40, a moving sleeve 41, a rotating sleeve 42, and a dust removing brush plate 43; the device sleeve 40 is sleeved in the fan shell 1, the upper end and the lower end of the interior of the device sleeve 40 are respectively provided with a mobile motor 400, output shafts at the two ends of the mobile motor 400 are respectively provided with a threaded lead screw 401, and the two threaded lead screws 401 respectively penetrate through the device sleeve 40; the two movable sleeves 41 and the two rotary sleeves 42 are respectively arranged, the two movable sleeves 41 are respectively movably sleeved in the fan shell 1 and are respectively positioned at two sides of the equipment sleeve 40, and the two movable sleeves 41 are respectively in threaded connection with threaded screws 401 at two sides of the equipment sleeve 40; the two rotary sleeves 42 are respectively and rotatably clamped on the inner sides of the two movable sleeves 41, rotary gear rings 420 are arranged on the opposite sides of the two rotary sleeves 42, first micro motors 421 are arranged on the two sides of the inside of the equipment sleeve 40, first gears 4210 are arranged on output shafts of the first micro motors 421, and the two first gears 4210 can be respectively meshed with the two rotary gear rings 420; the number of the dust removing brush plates 43 is 4, the 4 dust removing brush plates 43 are uniformly distributed in the rotary sleeve 42 and are respectively in rotary clamping connection with the inner wall of the rotary sleeve 42, the connection parts of the dust removing brush plates 43 and the rotary sleeve 42 are respectively provided with an adjusting gear 430, the dust removing brush plates 43 are respectively provided with dust removing brush heads 431, and the rotary sleeve 42 is provided with through grooves 422 at positions corresponding to the dust removing brush plates 42; an adjusting gear ring 423 and a second micro motor 424 are arranged in the rotary sleeve 42, the adjusting gear ring 423 is rotationally clamped with the inner wall of the rotary sleeve 42 and is respectively connected with each adjusting gear 430 in a meshed manner, and the second micro motor 424 provides power for the adjusting gear ring 423; 4 dust-removing brush heads 431 are arranged on each dust-removing brush plate 43, each dust-removing brush head 431 is in sliding clamping connection with the dust-removing brush plate 43 through a sliding rod 433, a limiting plate 434 is arranged in the dust-removing brush plate 43, each sliding rod 433 penetrates through the limiting plate 434, a reset spring 4330 is sleeved on each sliding rod 433, one end of the reset spring 4330 is in butt joint with the limiting plate 434, the other end of the reset spring is in butt joint with the inner wall of the sliding rod 433, and the contact efficiency of the dust-removing brush heads 431 and the curved and swept blades 31 can be effectively improved through arranging the sliding rods 433 on the dust-removing brush heads 431, so that the dust-removing effect of the axial flow fan is improved; the dust removing brush heads 431 are in threaded connection with the corresponding sliding rods 433, and the dust removing brush heads 431 in threaded connection are convenient to detach and maintain; the end part of each sliding rod 433 is provided with a connecting gear 4331, and the connecting gears 4331 are sequentially meshed and connected; the third micro motor 435 is arranged in the dust removing brush plate 43, the driving gear 4350 is arranged on the output shaft of the third micro motor 435, the driving gear 4350 is meshed with one of the connecting gears 4331, and the driving gear 4350 is driven to rotate by the third micro motor 435, so that each dust removing brush head 431 can rotate along with the dust removing brush plate 43 and can automatically transmit, and the dust removing efficiency of the axial flow fan is effectively ensured; the inner side of the equipment sleeve 40 is provided with a plurality of dust removing spray pipes 44, each dust removing spray pipe 44 is provided with an atomizing nozzle 440, and dust falling operation can be carried out in the dust removing process of the curved and swept blade 31 by arranging the dust removing spray pipes 44 and the atomizing nozzle 440, so that dirt cleaned on the curved and swept blade 31 is prevented from polluting the working environment;
the controller is electrically connected with the motor 2, the mobile motor 400, the first micro-motor 421, the second micro-motor 424 and the third micro-motor 435 respectively; the controller, motor 2, mobile motor 400, first micro-motor 421, second micro-motor 424, and third micro-motor 435 are all commercially available products.
Claims (6)
1. The bending and sweeping combined orthogonal axial fan capable of automatically removing dust is characterized by comprising a fan shell (1), a motor (2), an impeller (3), a dust removing component (4) and a controller; the lower end of the fan shell (1) is provided with a fan bracket (10), the motor (2) is connected to one end of the fan shell (1) through a frame (20), and an output shaft (21) of the motor (2) extends into the fan shell (1) after penetrating through the frame (20); the impeller (3) comprises a hub (30) and curved swept blades (31), the hub (30) is movably sleeved on an output shaft (21) through a shaft sleeve (300), the shaft sleeve (300) is fixed with the output shaft (21) through bolts, positioning grooves (301) are formed in the outer wall of the hub (30), movable sleeves (32) are fixedly connected to the two sides of the periphery of the hub (30) through bolts, two movable sleeves (32) are buckled with each other, clamping grooves (320) are formed in the connecting positions of the two movable sleeves (32), 10-15 curved swept blades (31) are arranged, connecting pressing plates (310) are arranged at the root parts of the curved swept blades (31), positioning blocks (311) are arranged at the end parts of the connecting pressing plates (310), the 10-15 curved swept blades (31) are uniformly distributed on the surface of the hub (30), and are movably clamped with the positioning grooves (301) through the connecting pressing plates (310); the dust removing assembly (4) comprises an equipment sleeve (40), a moving sleeve (41), a rotating sleeve (42) and a dust removing brush plate (43); the device sleeve (40) is sleeved inside the fan shell (1), the upper end and the lower end inside the device sleeve (40) are respectively provided with a mobile motor (400), output shafts at the two ends of the mobile motor (400) are respectively provided with a threaded lead screw (401), and the two threaded lead screws (401) respectively penetrate through the device sleeve (40); the two movable sleeves (41) and the two rotary sleeves (42) are respectively arranged, the two movable sleeves (41) are respectively and movably sleeved in the fan shell (1) and are respectively positioned at two sides of the equipment sleeve (40), and the two movable sleeves (41) are respectively and spirally connected with threaded lead screws (401) at two sides of the equipment sleeve (40); the two rotary sleeves (42) are respectively and rotatably clamped on the inner sides of the two movable sleeves (41), rotary gear rings (420) are arranged on the opposite sides of the two rotary sleeves (42), first micro motors (421) are arranged on the two sides of the inside of the equipment sleeve (40), first gears (4210) are arranged on output shafts of the first micro motors (421), and the two first gears (4210) can be respectively connected with the two rotary gear rings (420) in a meshed mode; 3-6 dust-removing brush plates (43) are arranged, 3-6 dust-removing brush plates (43) are uniformly distributed inside the rotary sleeve (42) and are respectively connected with the inner wall of the rotary sleeve (42) in a rotating clamping mode, adjusting gears (430) are arranged at the connecting positions of the dust-removing brush plates (43) and the rotary sleeve (42), dust-removing brush heads (431) are arranged on the dust-removing brush plates (43), and through grooves (422) are formed in positions, corresponding to the positions of the dust-removing brush plates (43), of the rotary sleeve (42); an adjusting gear ring (423) and a second micro motor (424) are arranged in the rotating sleeve (42), the adjusting gear ring (423) is rotationally clamped with the inner wall of the rotating sleeve (42) and is respectively connected with each adjusting gear (430) in a meshed mode, and the second micro motor (424) provides power for the adjusting gear ring (423);
the controller is respectively and electrically connected with the motor (2), the mobile motor (400), the first micro motor (421) and the second micro motor (424);
the positions of the output shaft (21) corresponding to the positions of the two rotary sleeves (42) are rotatably clamped with positioning sleeves (22), clamping grooves (220) corresponding to the positions of the dust removing brush plates (43) are formed in the two positioning sleeves (22), and clamping blocks (432) are arranged at the end parts of the dust removing brush plates (43);
the forward bending angle of the curved and swept blade (31) is 8-21 degrees, the forward bending angle is 15-24 degrees, and the forward bending and the forward sweeping are in smooth transition through an arc;
the other end of the fan shell (1) is provided with a fairing (11).
2. The automatic dust-removing sweep combined orthogonal axial fan according to claim 1, wherein a plurality of dust removing spray pipes (44) are arranged on the inner side of the equipment sleeve (40), and an atomizing spray head (440) is arranged on each dust removing spray pipe (44).
3. The bent and swept combined orthogonal axial fan capable of automatically removing dust according to claim 2, wherein 3-5 dust removing brush heads (431) are arranged on each dust removing brush plate (43), each dust removing brush head (431) is in sliding clamping connection with the dust removing brush plate (43) through a sliding rod (433), a limiting plate (434) is arranged inside the dust removing brush plate (43), each sliding rod (433) penetrates through the limiting plate (434), a reset spring (4330) is sleeved on each sliding rod (433), one end of each reset spring (4330) is in butt joint with the limiting plate (434), and the other end of each reset spring is in butt joint with the inner wall of the sliding rod (433).
4. A combined sweep orthogonal axial fan with automatic dust removal according to claim 3, characterized in that each dust removal brush head (431) is screwed with the corresponding sliding rod (433).
5. The automatic dust-removing sweep combined orthogonal axial fan according to claim 1, wherein a positioning pin (3100) is arranged at the joint of the connecting pressing plate (310) and the clamping groove (320).
6. The automatic dust removal sweep combined orthogonal axial fan as claimed in claim 1, wherein the sweep blade (31) is made of one of aluminum alloy, ABS plastic and glass fiber reinforced plastic.
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| CN202111448919.3A CN114046263B (en) | 2021-12-01 | 2021-12-01 | Bending and sweeping combined orthogonal axial fan capable of automatically removing dust |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111448919.3A CN114046263B (en) | 2021-12-01 | 2021-12-01 | Bending and sweeping combined orthogonal axial fan capable of automatically removing dust |
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| CN114046263B true CN114046263B (en) | 2023-06-23 |
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| CN112814943A (en) * | 2021-02-03 | 2021-05-18 | 西安重装韩城煤矿机械有限公司 | Integrally formed curved and swept combined blade, impeller and axial flow fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2630539Y (en) * | 2003-07-31 | 2004-08-04 | 天津市通风机厂 | Front-back subway axial-flow ventilator equipped with curved combined blade |
| CN201162688Y (en) * | 2007-12-20 | 2008-12-10 | 陕西平阳风机有限公司 | Novel impeller ventilation fan especially for tunnel |
| JP2018066306A (en) * | 2016-10-19 | 2018-04-26 | 日立アプライアンス株式会社 | Electric blower and electric cleaner equipped with the same |
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| CN114046263A (en) | 2022-02-15 |
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