CN113482978B - High-stability fan power system - Google Patents
High-stability fan power system Download PDFInfo
- Publication number
- CN113482978B CN113482978B CN202110926988.4A CN202110926988A CN113482978B CN 113482978 B CN113482978 B CN 113482978B CN 202110926988 A CN202110926988 A CN 202110926988A CN 113482978 B CN113482978 B CN 113482978B
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- piece
- transmission
- fan
- blade
- noise reduction
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- 230000005540 biological transmission Effects 0.000 claims abstract description 181
- 238000009434 installation Methods 0.000 claims abstract description 24
- 230000003068 static effect Effects 0.000 claims abstract description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 25
- 230000000149 penetrating effect Effects 0.000 claims description 24
- 241000886569 Cyprogenia stegaria Species 0.000 claims description 23
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 6
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000009423 ventilation Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003381 stabilizer Substances 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
- 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
- F04D29/663—Sound attenuation
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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
-
- 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
- F04D29/34—Blade mountings
- F04D29/36—Blade mountings adjustable
- F04D29/362—Blade mountings adjustable during rotation
-
- 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
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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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 fan power system with high stability, which comprises a fan base; the wind resistance noise reduction piece comprises a fan installation noise reduction piece, a fan power piece and a noise reduction adjustment transmission piece, wherein the fan installation noise reduction piece is arranged on the fan base, the fan power piece is arranged on the fan installation noise reduction piece, and the noise reduction adjustment transmission piece is arranged on the fan power piece; the air quantity adjusting piece comprises a blade piece and an angle adjusting piece, the blade piece is arranged on the fan power piece, and the angle adjusting piece is arranged on the blade piece; wherein: the angle adjusting part timely adjusts the deflection angle of the blade part according to the requirement, and the noise reduction adjusting transmission part timely adjusts the flow guide angle of the fan installation noise reduction part according to the wind speed in the fan base. The invention has compact structure, stable operation, low noise and vibration, saves energy consumption and can adjust the static pressure of the fan in time according to the requirement.
Description
Technical Field
The invention relates to the technical field of fans, in particular to a fan power system with high stability.
Background
The noise level and efficiency in the high-end ventilation project are two key factors for selecting a fan, and the noise is quite high although the power consumption and efficiency of the existing axial flow fan are excellent; although the noise of the pipeline centrifugal fan is smaller, the problem of insufficient efficiency exists, and the problem of how to solve the balance of the noise and the energy consumption of the ventilation equipment is a technical problem to be solved urgently; meanwhile, in a plurality of places needing ventilation, the ventilation requirements of the same place at different periods are different, so that how to design a high-stability fan power system which can balance noise and energy consumption and adapt to the ventilation requirements of the same place at different periods is a technical problem to be solved urgently.
Disclosure of Invention
In order to overcome the defects, the invention provides a fan power system with high stability, which adopts the following technical scheme:
a highly stable fan power system includes
A fan base;
the wind resistance noise reduction piece is arranged on the fan base and comprises a fan installation noise reduction piece, a fan power piece and a noise reduction adjustment transmission piece, wherein the fan installation noise reduction piece is arranged on the fan base, the fan power piece is arranged on the fan installation noise reduction piece, and the noise reduction adjustment transmission piece is arranged on the fan power piece;
the wind resistance noise reduction piece is arranged on the fan power piece, and the wind resistance noise reduction piece comprises a blade piece and an angle adjustment piece;
wherein: the angle adjusting part timely adjusts the deflection angle of the blade part according to the requirement, and the noise reduction adjusting transmission part timely adjusts the flow guide angle of the fan installation noise reduction part according to the wind speed in the fan base.
Preferably, the fan seat comprises a fan shell, the fan installation noise reduction piece comprises a supporting rotating shaft, a guide vane, a guide pipe and a relay transmission piece, one end of the supporting rotating shaft is arranged on the fan shell in a penetrating mode, and a first supporting bearing is arranged between the supporting rotating shaft and the penetrating position of the fan shell; the plurality of first support bearings are uniformly distributed along the circumferential direction of the fan shell; the guide plates are arc-shaped, one side edge of each guide plate is fixedly arranged on one end face of the supporting rotating shaft, and a plurality of guide plates are correspondingly arranged on the supporting rotating shafts one by one.
Preferably, the relay transmission piece comprises a first conical gear and a first relay rod, one end of the first relay rod penetrates through the guide pipe, a second support bearing is arranged at the penetrating position of the first relay rod and the guide pipe, and meanwhile, one end of the first relay rod is fixedly connected with the other side edge of the guide sheet; the plurality of first relay rods are uniformly distributed around the circumference of the flow guide pipe, and the first conical gears are fixedly arranged at the other ends of the first relay rods; the plurality of first bevel gears are correspondingly arranged on the plurality of first relay rods one by one.
Preferably, the fan power piece comprises a motor shell, a heat radiation plate, a stator and a rotor, wherein the motor shell is fixedly arranged in the guide pipe through a first fixing frame, the heat radiation plate is spiral, and the heat radiation plate is fixedly embedded outside the motor shell through a first through hole; the stator is fixedly embedded in the motor casing, two ends of the rotor are respectively embedded in rotating bearings on two end faces of the motor casing, and a rotating shaft of the rotor is a hollow shaft.
Preferably, the noise reduction adjustment transmission member comprises a first power transmission member, a second power transmission member and a brake member, wherein the first power transmission member is arranged on the fan power member, the second power transmission member is arranged on the first power transmission member, and the brake member is arranged on the fan installation noise reduction member; the first power transmission part comprises a first transmission plate, a sliding seat, a second transmission plate, a first transmission pipe and a first magnetic coil, wherein the first transmission plate is fixedly arranged in an inner cavity of a rotating shaft of the rotor, the sliding seat is embedded in the rotating shaft of the rotor, and the second transmission plate is fixedly arranged on one end face of the sliding seat; one end of the first transmission pipe is fixedly arranged on the other end face of the sliding seat, and a first sliding block is arranged at the other end of the first transmission pipe; the first magnetic coil is fixedly embedded in the inner cavity of the other end of the rotating shaft of the rotor.
Preferably, the second power transmission part comprises a second transmission pipe, a second bevel gear, a third bevel gear, a static rod and a second magnetic coil, a first sliding groove is formed in the inner wall of the second transmission pipe, the second transmission pipe is sleeved on the first transmission pipe, and the first sliding groove is matched with the first sliding block; the second bevel gear is fixedly sleeved on one end of the second transmission pipe through a second through hole, and is meshed with the four first bevel gears at the same time, and the second bevel gear is positioned at one side of the four first bevel gears; the third bevel gear is fixedly sleeved on the other end of the second transmission pipe through a third through hole, and can be meshed with the four first bevel gears at the same time, and the third bevel gear is positioned on the other side of the four first bevel gears; the second bevel gear and the third bevel gear are spaced apart by a distance greater than the diameter of the first bevel gear; the static rod is fixedly arranged on the guide pipe through a second fixing frame; the second magnetic coil is fixedly embedded on the inner wall of the other end of the second transmission tube.
Preferably, the braking piece comprises a third transmission plate, a braking plate and a fourth transmission plate, wherein the third transmission plate is fixedly sleeved on the first transmission tube, the braking plate is fixedly arranged on the inner wall of the flow guide tube, the fourth transmission plate is fixedly arranged on the braking plate, and the axis of the fourth transmission plate coincides with the axis of the third transmission plate.
Preferably, the blade piece comprises a blade shell, a blade shaft, a fourth conical gear and blades, wherein one end face of the blade shell is arranged on one end of a rotating shaft of the rotor in a penetrating mode, one end of the blade shaft penetrates through the side wall of the blade shell, a third support bearing is arranged at the penetrating position of the blade shaft and the blade shell, and a plurality of blade shafts are uniformly distributed around the circumference of the blade shell; the fourth bevel gear is arranged on the other end face of the blade shaft, and a plurality of bevel gears are correspondingly arranged on a plurality of blade shafts one by one; the blades are arranged on one end face of the blade shaft, and a plurality of blades are correspondingly arranged on a plurality of blade shafts one by one.
Preferably, the angle adjusting member includes a first angle adjusting member provided on the blade member and a second angle adjusting member provided on the first angle adjusting member; the first angle adjusting piece comprises a stabilizing bearing, a stabilizing tube, a third driving tube, a fifth conical gear, an adjusting and selecting tube, a sixth conical gear and a third magnetic coil, wherein the stabilizing bearing is fixedly embedded on the blade shell, a second sliding groove is formed in the inner wall of the stabilizing tube, and the stabilizing tube is fixedly embedded in the stabilizing bearing; the outer wall of the third transmission pipe is provided with a second sliding block, the inner wall of the third transmission pipe is provided with a third sliding groove, the third transmission pipe is embedded in the stabilizing pipe, and the second sliding block is matched with the second sliding groove; the fifth conical gear is connected to one end of the third transmission pipe in a penetrating way, and is meshed with a plurality of fourth conical gears at the same time, and is positioned on one side of the fourth conical gears; one end of the adjusting selection tube is connected with the fifth conical gear in a penetrating way, the sixth conical gear is connected with the other end of the adjusting selection tube in a penetrating way, and the sixth conical gear can be meshed with four fourth conical gears at the same time, and the sixth conical gear is positioned on the other side of the four fourth conical gears; the third magnetic coil is embedded in the inner wall of the adjusting and selecting tube.
Preferably, the second angle adjusting piece comprises a fourth transmission pipe, a fifth transmission plate, a sixth transmission plate, a seventh transmission plate, an eighth transmission plate and a fourth magnetic coil, a third sliding block is arranged on the outer wall of the fourth transmission pipe, one end of the fourth transmission pipe is embedded in the other end of the third transmission pipe, and the third sliding block is matched with the third sliding groove; the fifth transmission plate is fixedly sleeved on the fixed rod, and the sixth transmission plate is embedded in the fourth transmission pipe; the seventh transmission plate is fixedly arranged at the other end of the fourth transmission pipe, and the eighth transmission plate is fixedly arranged on one end face of the blade shell; the fourth magnetic coil is fixedly embedded on the inner wall of one end of the fourth transmission tube.
The invention at least comprises the following beneficial effects:
1) The high-stability fan power system has compact structure, stable operation and low noise and vibration, saves energy consumption and can adjust the static pressure of the fan in time according to the requirement;
2) The high-stability fan power system is provided with a fan shell, an air quantity adjusting piece and a wind resistance noise reduction piece, wherein the air quantity adjusting piece comprises blades and an angle adjusting piece, and the angle adjusting piece can transmit part of kinetic energy of the wind resistance noise reduction piece to the blades according to ventilation requirements so as to adjust the angle of the blades, thereby changing static pressure in the fan shell and meeting ventilation requirements; the wind resistance noise reduction part comprises a fan power part, a noise reduction adjustment transmission part and a guide vane, wherein the noise reduction adjustment transmission part timely transmits part of kinetic energy in the fan power part to the guide vane according to static pressure in the fan, and the rotating air flow in the fan housing is better carded and converted by changing the angle of the guide vane to match the static pressure in the fan housing, so that turbulence, noise and vibration are reduced, and energy consumption is reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a front view of a high stability fan power system of the present invention;
FIG. 2 is a front end elevation view of a high stability fan power system of the present invention;
FIG. 3 is a schematic view of the front end architecture of the high stability fan power system of the present invention;
FIG. 4 is a front view of the rear end of the high stability fan power system of the present invention;
FIG. 5 is a schematic view of the rear end of the high-stability fan power system of the present invention;
FIG. 6 is a front view of the fan power system of the present invention in a cross-section taken in the direction A-A of FIG. 2;
FIG. 7 is an enlarged view of a portion of the fan power system of FIG. 6B with high stability in accordance with the present invention;
FIG. 8 is an enlarged view of a portion of the fan power system of FIG. 6C with high stability in accordance with the present invention;
FIG. 9 is a schematic view of the rear end perspective of the fan power system of the present invention in the direction A-A of FIG. 2;
FIG. 10 is an enlarged view of part of D of FIG. 9 of the fan power system of the present invention with high stability;
FIG. 11 is an enlarged view of a portion of E of FIG. 9 of the fan power system of the present invention with high stability;
FIG. 12 is a schematic view of the front end perspective view of the fan power system of the present invention in the cross-section in the direction A-A of FIG. 2;
fig. 13 is a schematic view of the front end perspective of the high stability fan power system of the present invention with the fan bed removed.
Wherein: 1-a fan housing, 2-an induced duct, 3-a front end mounting flange, 4-a rear end mounting flange, 5-a supporting rotating shaft, 6-a guide vane, 7-a guide duct, 8-a reducing pipe, 9-a first conical gear, 10-a first relay rod, 11-a motor housing, 12-a heat radiating plate, 13-a stator, 14-a rotor, 15-a first transmission plate, 16-a sliding seat, 17-a second transmission plate, 18-a first transmission pipe, 19-a first magnetic coil, 20-a second transmission pipe, 21-a second conical gear, 22-a third conical gear, 23-a stationary rod, 24-a second magnetic coil, 25-second fixing frame, 26-third transmission plate, 27-braking plate, 28-fourth transmission plate, 29-blade shell, 30-blade shaft, 31-fourth conical gear, 32-blade, 33-stabilizing bearing, 34-stabilizing tube, 35-third transmission tube, 36-fifth conical gear, 37-adjusting selection tube, 38-sixth conical gear, 39-third magnetic coil, 40-fourth transmission tube, 41-fifth transmission plate, 42-sixth transmission plate, 43-seventh transmission plate, 44-eighth transmission plate, 45-fourth magnetic coil.
Detailed Description
The technical solution of the present invention will be described in detail below by way of examples with reference to the accompanying drawings. It should be noted that the description of these examples is for aiding in understanding the present invention, but is not intended to limit the present invention.
The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: the terms "/and" herein describe another associative object relationship, indicating that there may be two relationships, e.g., a/and B, may indicate that: the character "/" herein generally indicates that the associated object is an "or" relationship.
According to the fan power system with high stability shown in fig. 1-13, the fan power system comprises a fan base, a wind resistance noise reduction piece and a wind volume adjusting piece, wherein the wind resistance noise reduction piece is arranged on the fan base, and the wind volume adjusting piece is arranged on the wind resistance noise reduction piece. The fan seat comprises a fan shell 1 and a fan installation seat, and the fan installation seat is arranged on the fan shell 1. The fan shell 1 is tubular, one end face of the fan is connected with the air guiding pipe 2 in a penetrating way, the air guiding pipe 2 is in a horn mouth shape, and a small opening of the air guiding pipe 2 is connected with one end of the fan shell 1 in a penetrating way. The fan mounting seat comprises a front end mounting flange 3 and a rear end mounting flange 4, the front end mounting flange 3 and the rear end mounting flange 4 are arranged on the fan housing 1, the front end mounting flange 3 is sleeved on one end of the fan housing 1, and the rear end mounting flange 4 is embedded on the other end of the fan housing 1. The front end mounting flange 3 and the rear end mounting flange 4 can improve the convenience of the fan power system installation with high stability.
The wind resistance noise reduction part comprises a fan installation noise reduction part, a fan power part and a noise reduction adjustment transmission part, wherein the fan installation noise reduction part is arranged on the fan base, the fan power part is arranged on the fan installation noise reduction part, and the noise reduction adjustment transmission part is arranged on the fan power part. The fan installation piece of making an uproar that falls includes supporting shaft 5, guide vane 6, honeycomb duct 7 and relay driving medium, supporting shaft 5 sets up on the fan shell 1, guide vane 6 sets up on the supporting shaft 5, relay driving medium is connected on the guide vane 6, honeycomb duct 7 sets up on the relay driving medium. One end of the supporting rotating shaft 5 is arranged on the fan shell 1 in a penetrating mode, and a bearing cap is arranged at the other end of the supporting rotating shaft 5, so that the supporting rotating shaft 5 can bear axial force. A first support bearing is arranged between the support rotating shaft 5 and the penetrating part of the fan shell 1, and the first support bearing can bear axial force, and as an alternative, the first support bearing is an angular contact bearing or a crossed roller bearing. The first support bearings are arranged in four, and the four first support bearings are uniformly distributed along the circumferential direction of the fan shell 1. The guide plates 6 are arc-shaped, one side edge of each guide plate 6 is fixedly arranged on one end face of the supporting rotating shaft 5, and four guide plates 6 are correspondingly arranged on the four supporting rotating shafts 5 one by one. The deflector 6 is capable of carding and converting the rotating air flow passing through the blades 32, reducing turbulence, noise and vibration generation, greatly improving static pressure and reducing energy consumption.
The honeycomb duct 7 is tubulose, the honeycomb duct 7 external diameter is less than the fan shell 1 internal diameter, honeycomb duct 7 one end is provided with reducing pipe 8, reducing pipe 8 big end with honeycomb duct 7 one end link up and are connected for very little part air current flow reducing pipe 8 little end get into cooling down to fan power spare in the honeycomb duct 7, improve fan power spare cooling efficiency. The relay transmission piece comprises a first conical gear 9 and a first relay rod 10, wherein the first relay rod 10 is arranged on the flow guide pipe 7, and the first conical gear 9 is arranged on the first relay rod 10. One end of the first relay rod 10 penetrates through the flow guide pipe 7, and a second support bearing is arranged at the penetrating position of the first relay rod 10 and the flow guide pipe 7 and is identical to the first support bearing in structure. And one end of the first relay rod 10 is fixedly connected with the other side edge of the guide vane 6, so that the guide pipe 7 is installed inside the fan housing 1 through the first relay rod 10, the guide vane 6 and the supporting rotating shaft 5 respectively. The four first relay rods 10 are arranged, the four first relay rods 10 are evenly distributed around the flow guide pipe 7 in the circumferential direction, the four first relay rods 10 can enable the flow guide pipe 7 to be stably installed in the fan shell 1, and the flow guide sheet 6 can automatically adjust angles according to wind speeds in the fan shell 1 as required so as to adapt to rectification, noise reduction and energy consumption reduction requirements of different wind speeds. The first bevel gear 9 is fixedly arranged at the other end of the first relay rod 10, the first bevel gear 9 can drive the power of the fan power piece to the first relay rod 10, and the first relay rod 10 rotates to adjust the angle of the guide vane 6. The first bevel gears 9 are arranged in four, and the four first bevel gears 9 are correspondingly arranged on the four first relay rods 10 one by one.
The fan power piece comprises a motor shell 11, a heat radiation plate 12, a stator 13 and a rotor 14, wherein the motor shell 11 is arranged on the guide pipe 7, and the heat radiation plate 12, the stator 13 and the rotor 14 are all arranged on the motor shell 11. The motor casing 11 is fixedly arranged in the guide pipe 7 through a first fixing frame, and the axis of the motor casing 11 coincides with the axis of the guide pipe 7. The heat dissipation plate 12 is in a spiral surface shape, and the spiral direction of the heat dissipation plate 12 is the same as the rotation reverse direction of the wind direction in the fan shell 1. The center of the heat dissipation plate 12 is provided with a first through hole, and the heat dissipation plate 12 is fixedly embedded outside the motor casing 11 through the first through hole, so that the heat dissipation area, the heat dissipation efficiency and the operation stability of the motor casing 11 are improved, and the failure rate of the motor is reduced. The stator 13 is fixedly embedded in the motor casing 11. The two ends of the rotor 14 are respectively embedded in the rotating bearings on the two end surfaces of the motor shell 11, and the rotating bearings are sealed bearings. The rotating shaft of the rotor 14 is a hollow shaft, and a spiral through hole is formed in a side wall of one end of the rotating shaft of the rotor 14, the through hole is formed between the inner wall and the outer wall of the rotating shaft of the rotor 14, and further, the spiral direction of the spiral through hole is the same as the rotational flow direction of air in the fan shell 1. So that a small amount of air enters the inner cavity of the rotating shaft of the rotor 14 from the spiral through hole to cool the motor, and the cooling performance of the fan power piece is further improved.
The noise reduction adjusting transmission piece comprises a first power transmission piece, a second power transmission piece and a braking piece, wherein the first power transmission piece is arranged on the fan power piece, the second power transmission piece is arranged on the first power transmission piece, and the braking piece is arranged on the fan installation noise reduction piece. The first power transmission part comprises a first transmission plate 15, a sliding seat 16, a second transmission plate 17, a first transmission tube 18 and a first magnetic coil 19, wherein the first transmission plate 15, the sliding seat 16 and the first magnetic coil 19 are all arranged on the fan power part, and the second transmission plate 17 and the first transmission tube 18 are all arranged on the sliding seat 16. The first transmission plate 15 is an end fluted disc or a friction transmission plate. The first transmission plate 15 is fixedly arranged in the inner cavity of the rotating shaft of the rotor 14, and the axis of the first transmission plate 15 coincides with the axis of the rotating shaft of the rotor 14. The first transmission plate 15 is used to transmit the rotational force of the rotor 14 to the slide mount 16. The sliding seat 16 is in a circular tube shape, and the sliding seat 16 is embedded in the rotating shaft of the rotor 14, so that the sliding seat 16 can axially slide in the inner cavity of the rotating shaft of the rotor 14. The second transmission plate 17 is an end fluted disc or a friction transmission plate, the second transmission plate 17 is fixedly arranged on one end face of the sliding seat 16, and the axis of the second transmission plate 17 coincides with the axis of the first transmission plate 15. When the sliding seat 16 moves toward the first transmission plate 15, the second transmission plate 17 and the first transmission plate 15 are driven to drive the sliding seat 16 to rotate in the rotating shaft of the rotor 14. One end of the first driving tube 18 is fixedly arranged on the other end face of the sliding seat 16, the axis of the first driving tube 18 coincides with the axis of the sliding seat 16, and a first sliding block is arranged on the other end of the first driving tube 18. The first magnetic coil 19 is fixedly embedded in an inner cavity at the other end of the rotating shaft of the rotor 14, the first magnetic coil 19 is sleeved outside the first transmission tube 18, and a first permanent magnet is fixedly attached to the first transmission tube 18 positioned in the first magnetic coil 19, so that magnetic attraction and magnetic repulsion between the first magnetic coil 19 and the first transmission tube 18 after the first magnetic coil 19 is electrified are increased. And then the sliding seat 16 is pushed to slide back and forth in the rotating shaft of the rotor 14 by the first driving tube 18.
The second power transmission part comprises a second transmission pipe 20, a second bevel gear 21, a third bevel gear 22, a static rod 23 and a second magnetic coil 24, wherein the second transmission pipe 20 is arranged on the first power transmission part, the second bevel gear 21 and the third bevel gear 22 are both arranged on the second transmission pipe 20, and the static rod 23 is arranged on the flow guide pipe 7. The inner wall of the second driving tube 20 is provided with a first chute, the second driving tube 20 is sleeved on the first driving tube 18, and the first chute is matched with the first slider. So that the second transmission tube 20 can slide reciprocally over the first transmission tube 18. The axis of the second bevel gear 21 is provided with a second through hole, the second bevel gear 21 is fixedly sleeved on one end of the second driving tube 20 through the second through hole, the second bevel gear 21 is simultaneously meshed with the four first bevel gears 9, and the second bevel gear 21 is positioned on one side of the four first bevel gears 9. The axis of the third bevel gear 22 is provided with a third through hole, the third bevel gear 22 is fixedly sleeved on the other end of the second driving tube 20 through the third through hole, the third bevel gear 22 can be simultaneously meshed with the four first bevel gears 9, and the third bevel gear 22 is positioned on the other sides of the four first bevel gears 9. The distance between the second conical gear wheel 21 and the third conical gear wheel 22 is larger than the diameter of the first conical gear wheel 9, namely, when the second conical gear wheel 21 is meshed with the first conical gear wheel 9, the third conical gear wheel 22 is out of meshed with the first conical gear wheel 9; when the third bevel gear 22 is engaged with the first bevel gear 9, the second bevel gear 21 is disengaged from the first bevel gear 9. The stationary rod 23 is fixedly disposed on the flow guiding tube 7 through a second fixing frame 25, and one end of the stationary rod 23 passes through the second driving tube 20, the first driving tube 18, the sliding seat 16, the second driving plate 17, the first driving plate 15 and the rotating shaft of the rotor 14 in sequence. The second magnetic coil 24 is fixedly embedded on the inner wall of the other end of the second transmission tube 20, the second magnetic coil 24 is sleeved outside the fixed rod 23, and a second permanent magnet is fixedly attached on the fixed rod 23 in the second magnetic coil 24, so that the magnetic attraction and the magnetic repulsion between the second magnetic coil 24 and the fixed rod 23 after the second magnetic coil 24 is electrified are improved, the second bevel gear 21 and the third bevel gear are meshed with the four first bevel gears 9 one by one and are separated from the first bevel gears 9, and finally the first bevel gears 9 are enabled to rotate forwards and reversely, and the purpose of adjusting the angle of the guide vane 6 is achieved.
The braking member comprises a third transmission plate 26, a braking plate 27 and a fourth transmission plate 28, wherein the third transmission plate 26 is arranged on the first transmission tube 18, the braking plate 27 is arranged on the flow guide tube 7, and the fourth transmission plate 28 is arranged on the braking plate 27. The third transmission plate 26 is an end fluted disc or a friction transmission plate, the third transmission plate 26 is fixedly sleeved on the first transmission tube 18, and the third transmission plate 26 is located between the rotor 14 and the second transmission tube 20. The center of the brake plate 27 is provided with brake through holes and air flow through holes, the brake through holes are positioned at the center of the brake plate 27, and thirty-six air flow through holes are uniformly distributed on the brake plate 27. The brake plate 27 is fixedly arranged on the inner wall of the guide pipe 7, and the brake through hole is sleeved outside the first transmission pipe 18. The fourth drive plate 28 is fixedly arranged on the brake plate 27, and the fourth drive plate 28 axis coincides with the third drive plate 26 axis. When the angle of the guide vane 6 needs to be locked, only reverse current is needed to be introduced into the first magnetic coil 19, so that the first transmission tube 18 is pushed to move to the right, the second transmission plate 17 is separated from the first transmission plate 15, and meanwhile, the third transmission plate 26 is tightly attached to the fourth transmission plate 28, so that the second transmission tube 20 is stopped.
The air quantity adjusting piece comprises a blade piece and an angle adjusting piece, wherein the blade piece is arranged on the fan power piece, and the angle adjusting piece is arranged on the blade piece. The blade member includes a blade shell 29, a blade shaft 30, a fourth bevel gear 31 and a blade 32, the blade shell 29 is provided on the rotor 14, the blade shaft 30 is provided on the blade shell 29, and the fourth bevel gear 31 and the blade 32 are provided on the blade shaft 30. The blade shell 29 is in a tubular shape, one end face of the blade shell 29 is closed, and the other end face of the blade shell 29 is in an arc face shape so as to reduce wind resistance. A rotary through hole is formed in the center of one end face of the blade shell 29, and one end face of the blade shell 29 is arranged on one end of the rotating shaft of the rotor 14 in a penetrating manner. One end of the blade shaft 30 penetrates through the side wall of the blade shell 29, and a third support bearing is arranged at the penetrating position of the blade shaft 30 and the blade shell 29, and the third support bearing is identical to the first support bearing in structure. The blade shafts 30 are provided with four, and the four blade shafts 30 are uniformly distributed circumferentially around the blade shell 29. The fourth bevel gears 31 are disposed on the other end face of the blade shaft 30, and the fourth bevel gears 31 are disposed four, and the four bevel gears are disposed on the four blade shafts 30 one by one. The blades 32 are arranged on one end face of the blade shaft 30, the blades 32 are provided with four blades, and the four blades 32 are correspondingly arranged on the four blade shafts 30 one by one.
The angle adjusting piece comprises a first angle adjusting piece and a second angle adjusting piece, the first angle adjusting piece is arranged on the blade piece, and the second angle adjusting piece is arranged on the first angle adjusting piece. The first angle adjusting member includes a stabilizing bearing 33, a stabilizing tube 34, a third driving tube 35, a fifth bevel gear 36, an adjusting and selecting tube 37, a sixth bevel gear 38, and a third magnetic coil 39, the stabilizing bearing 33 is disposed on the blade member, the stabilizing tube 34 is disposed on the stabilizing bearing 33, the third driving tube 35 is disposed on the stabilizing tube 34, the fifth bevel gear 36 is disposed on the third driving tube 35, the adjusting and selecting tube 37 is disposed on the fifth bevel gear 36, and the sixth bevel gear 38 and the third magnetic coil 39 are both disposed on the adjusting and selecting tube 37. The stabilizing bearing 33 is fixedly embedded on the blade shell 29, a second sliding groove is formed in the inner wall of the stabilizing tube 34, and the stabilizing tube 34 is fixedly embedded in the stabilizing bearing 33. The outer wall of the third driving tube 35 is provided with a second sliding block, the inner wall of the third driving tube 35 is provided with a third sliding groove, the third driving tube 35 is embedded in the stabilizing tube 34, the second sliding block is matched with the second sliding groove, and meanwhile, the third driving tube 35 is sleeved outside the static rod 23. So that the third drive tube 35 can slide axially within the stabilizer tube 34. A fourth through hole is formed on the axis of the fifth conical gear 36, the fifth conical gear 36 is connected to one end of the third driving tube 35 in a through manner, the fifth conical gear 36 is meshed with four fourth conical gears 31 at the same time, and the fifth conical gear 36 is located on one side of the fourth conical gear 31. The adjustment selecting pipe 37 is connected to the fifth bevel gear 36 at one end, and the adjustment selecting pipe 37 is sleeved outside the stationary lever 23. A fifth through hole is formed on the axis of the sixth conical gear 38, the sixth conical gear 38 is connected to the other end of the adjustment selecting pipe 37 in a penetrating manner, and the sixth conical gear 38 can be meshed with four fourth conical gears 31 at the same time, and the sixth conical gear 38 is located at the other side of the four fourth conical gears 31. The third magnetic coil 39 is embedded in the inner wall of the adjustment selection tube 37, the third magnetic coil 39 is sleeved outside the fixed rod 23, and a third permanent magnet is fixedly attached to the fixed rod 23 in the third magnetic coil 39, so that the magnetic attraction and the magnetic repulsion to the third permanent magnet after the third magnetic coil 39 is electrified are improved, and the fifth conical gear 36 and the sixth conical gear 38 are controlled to be meshed with the fourth conical gear 31 one by one.
The second angle adjusting member includes a fourth driving tube 40, a fifth driving plate 41, a sixth driving plate 42, a seventh driving plate 43, an eighth driving plate 44, and a fourth magnetic coil 45, a third sliding block is disposed on an outer wall of the fourth driving tube 40, one end of the fourth driving tube 40 is embedded in the other end of the third driving tube 35, and the third sliding block is matched with the third sliding groove. The fifth driving plate 41 is an end fluted disc or a friction driving plate, the fifth driving plate 41 is fixedly sleeved on the stationary rod 23, and the fifth driving plate 41 is positioned in the fourth driving tube 40. The sixth driving plate 42 is an end fluted disc or a friction driving plate, and the sixth driving plate 42 is embedded in the fourth driving tube 40. The seventh driving plate 43 is an end fluted disc or a friction driving plate, and the seventh driving plate 43 is fixedly disposed on the other end of the fourth driving tube 40. The eighth transmission plate 44 is an end fluted disc or a friction transmission plate, and the eighth transmission plate 44 is fixedly arranged on one end surface of the blade shell 29. The fourth magnetic coil 45 is fixedly embedded on the inner wall of one end of the fourth transmission tube 40, and a fourth permanent magnet is fixedly attached to the stationary rod 23 in the fourth magnetic coil 45. When the angle of the blade 32 needs to be adjusted, the fourth driving tube 40, the third driving tube 35, the fifth bevel gear 36 and the sixth bevel gear 38 can be made to be circumferentially stationary relative to the stationary rod 23 only by tightly fitting and driving the fifth driving plate 41 and the sixth driving plate 42. At this time, the first angle adjusting member rotates along with the rotation of the rotor 14, so that the fifth bevel gear 36 and the sixth bevel gear 38 rotate relatively to the fourth bevel gear 31, and further the fourth bevel gear 31 is driven to rotate circumferentially, so as to adjust the angle of the vane 32, and change the wind speed and flow rate. When the angle of the blade 32 needs to be locked, the fifth bevel gear 36 and the sixth bevel gear 38 are stationary relative to the fourth bevel gear 31 at the same time only by the engagement and transmission of the seventh transmission plate 43 and the eighth transmission plate 44.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (4)
1. A highly stable fan power system comprising
A fan base;
the wind resistance noise reduction piece is arranged on the fan base and comprises a fan installation noise reduction piece, a fan power piece and a noise reduction adjustment transmission piece, wherein the fan installation noise reduction piece is arranged on the fan base, the fan power piece is arranged on the fan installation noise reduction piece, and the noise reduction adjustment transmission piece is arranged on the fan power piece;
the wind resistance noise reduction piece is arranged on the fan power piece, and the wind resistance noise reduction piece comprises a blade piece and an angle adjustment piece;
wherein: the angle adjusting piece is used for adjusting the deflection angle of the blade piece, and the noise reduction adjusting transmission piece is used for adjusting the flow guide angle of the fan installation noise reduction piece according to the wind speed in the fan base;
the fan power piece comprises a motor shell, a heat radiation plate, a stator and a rotor, wherein the blade piece comprises a blade shell, a blade shaft, a fourth conical gear and blades, one end face of the blade shell is arranged on one end of a rotating shaft of the rotor in a penetrating mode, one end of the blade shaft penetrates through the side wall of the blade shell, a third support bearing is arranged at the penetrating position of the blade shaft and the blade shell, and a plurality of blade shafts are uniformly distributed around the circumference of the blade shell; the fourth bevel gear is arranged on the other end face of the blade shaft, and a plurality of bevel gears are correspondingly arranged on a plurality of blade shafts one by one; the blades are arranged on one end face of the blade shaft, and a plurality of blades are correspondingly arranged on a plurality of blade shafts one by one; the fan seat comprises a fan shell, the fan installation noise reduction piece comprises a supporting rotating shaft, a guide vane, a guide pipe and a relay transmission piece, one end of the supporting rotating shaft is arranged on the fan shell in a penetrating mode, and a first supporting bearing is arranged between the supporting rotating shaft and the penetrating position of the fan shell; the plurality of first support bearings are uniformly distributed along the circumferential direction of the fan shell; the guide plates are arc-shaped, one side edge of each guide plate is fixedly arranged on one end face of the supporting rotating shaft, and a plurality of guide plates are correspondingly arranged on the supporting rotating shafts one by one; the relay transmission piece comprises a first conical gear and a first relay rod, one end of the first relay rod penetrates through the guide pipe, a second support bearing is arranged at the penetrating position of the first relay rod and the guide pipe, and meanwhile, one end of the first relay rod is fixedly connected with the other side edge of the guide vane; the plurality of first relay rods are uniformly distributed around the circumference of the flow guide pipe, and the first conical gears are fixedly arranged at the other ends of the first relay rods; the plurality of first bevel gears are correspondingly arranged on the plurality of first relay rods one by one; the motor casing is fixedly arranged in the guide pipe through a first fixing frame, the heat dissipation plate is spiral, and the heat dissipation plate is fixedly embedded outside the motor casing through a first through hole; the stator is fixedly embedded in the motor casing, two ends of the rotor are respectively embedded in rotating bearings on two end faces of the motor casing, and a rotating shaft of the rotor is a hollow shaft; the noise reduction adjusting transmission piece comprises a first power transmission piece, a second power transmission piece and a braking piece, wherein the first power transmission piece is arranged on the fan power piece, the second power transmission piece is arranged on the first power transmission piece, and the braking piece is arranged on the fan installation noise reduction piece; the first power transmission part comprises a first transmission plate, a sliding seat, a second transmission plate, a first transmission pipe and a first magnetic coil, wherein the first transmission plate is fixedly arranged in an inner cavity of a rotating shaft of the rotor, the sliding seat is embedded in the rotating shaft of the rotor, and the second transmission plate is fixedly arranged on one end face of the sliding seat; one end of the first transmission pipe is fixedly arranged on the other end face of the sliding seat, and a first sliding block is arranged at the other end of the first transmission pipe; the first magnetic coil is fixedly embedded in the inner cavity of the other end of the rotating shaft of the rotor; the second power transmission part comprises a second transmission pipe, a second bevel gear, a third bevel gear, a fixed rod and a second magnetic coil, a first sliding groove is formed in the inner wall of the second transmission pipe, the second transmission pipe is sleeved on the first transmission pipe, and the first sliding groove is matched with the first sliding block; the second bevel gear is fixedly sleeved on one end of the second transmission pipe through a second through hole, and is meshed with the four first bevel gears at the same time, and the second bevel gear is positioned at one side of the four first bevel gears; the third bevel gear is fixedly sleeved on the other end of the second transmission pipe through a third through hole, and can be meshed with the four first bevel gears at the same time, and the third bevel gear is positioned on the other side of the four first bevel gears; the second bevel gear and the third bevel gear are spaced apart by a distance greater than the diameter of the first bevel gear; the static rod is fixedly arranged on the guide pipe through a second fixing frame; the second magnetic coil is fixedly embedded on the inner wall of the other end of the second transmission tube.
2. The high stability fan power system of claim 1, wherein the brake includes a third drive plate fixedly sleeved on the first drive tube, a brake plate fixedly disposed on the draft tube inner wall, and a fourth drive plate fixedly disposed on the brake plate, and the fourth drive plate axis is coincident with the third drive plate axis.
3. The high stability fan power system of claim 2, wherein the angle adjustment member comprises a first angle adjustment member disposed on the blade member and a second angle adjustment member disposed on the first angle adjustment member; the first angle adjusting piece comprises a stabilizing bearing, a stabilizing tube, a third driving tube, a fifth conical gear, an adjusting and selecting tube, a sixth conical gear and a third magnetic coil, wherein the stabilizing bearing is fixedly embedded on the blade shell, a second sliding groove is formed in the inner wall of the stabilizing tube, and the stabilizing tube is fixedly embedded in the stabilizing bearing; the outer wall of the third transmission pipe is provided with a second sliding block, the inner wall of the third transmission pipe is provided with a third sliding groove, the third transmission pipe is embedded in the stabilizing pipe, and the second sliding block is matched with the second sliding groove; the fifth conical gear is connected to one end of the third transmission pipe in a penetrating way, and is meshed with a plurality of fourth conical gears at the same time, and is positioned on one side of the fourth conical gears; one end of the adjusting selection tube is connected with the fifth conical gear in a penetrating way, the sixth conical gear is connected with the other end of the adjusting selection tube in a penetrating way, and the sixth conical gear can be meshed with four fourth conical gears at the same time, and the sixth conical gear is positioned on the other side of the four fourth conical gears; the third magnetic coil is embedded in the inner wall of the adjusting and selecting tube.
4. The high-stability fan power system according to claim 3, wherein the second angle adjusting piece comprises a fourth transmission pipe, a fifth transmission plate, a sixth transmission plate, a seventh transmission plate, an eighth transmission plate and a fourth magnetic coil, a third sliding block is arranged on the outer wall of the fourth transmission pipe, one end of the fourth transmission pipe is embedded in the other end of the third transmission pipe, and the third sliding block is matched with the third sliding groove; the fifth transmission plate is fixedly sleeved on the fixed rod, and the sixth transmission plate is embedded in the fourth transmission pipe; the seventh transmission plate is fixedly arranged at the other end of the fourth transmission pipe, and the eighth transmission plate is fixedly arranged on one end face of the blade shell; the fourth magnetic coil is fixedly embedded on the inner wall of one end of the fourth transmission tube.
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| CN202110926988.4A CN113482978B (en) | 2021-08-12 | 2021-08-12 | High-stability fan power system |
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| CN114322163A (en) * | 2022-01-04 | 2022-04-12 | 陕西工业职业技术学院 | Noise reduction spiral ventilation device for passive energy-saving heating and ventilation air conditioner and use method thereof |
| CN117662522B (en) * | 2023-12-07 | 2024-05-10 | 中国航空发动机研究院 | Blade adjusting device, adjusting method and engine |
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