CN113187654A - Hub ventilation and heat dissipation device - Google Patents
Hub ventilation and heat dissipation device Download PDFInfo
- Publication number
- CN113187654A CN113187654A CN202110565532.XA CN202110565532A CN113187654A CN 113187654 A CN113187654 A CN 113187654A CN 202110565532 A CN202110565532 A CN 202110565532A CN 113187654 A CN113187654 A CN 113187654A
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- CN
- China
- Prior art keywords
- air
- hub
- air inlet
- groove
- air outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 30
- 238000009423 ventilation Methods 0.000 title claims abstract description 13
- 230000005484 gravity Effects 0.000 claims abstract description 29
- 239000011229 interlayer Substances 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000005442 atmospheric precipitation Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241001075561 Fioria Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0691—Rotors characterised by their construction elements of the hub
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/60—Cooling or heating of wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention provides a hub ventilation and heat dissipation device, which comprises a hub, wherein an air wheel shaft is fixedly arranged on the back side of the hub, an air inlet groove is formed in the windward side of the hub, a gravity deflection ring is movably arranged in the air inlet groove through a deflection bearing, and an air inlet hole communicated with an S-shaped air inlet channel is formed in the side edge of the rotating axis of the gravity deflection ring; the hub is internally provided with an annular air inlet groove, the air inlet hole is communicated with the annular air inlet groove, the annular air inlet groove is communicated with a plurality of air guide channels arranged in the hub interlayer, the air outlet ring is internally provided with an annular air outlet groove matched with the air outlet hole, and the bottom of the air outlet ring is fixedly provided with a return air pipe.
Description
Technical Field
The invention relates to the technical field of fan heat dissipation devices, in particular to a hub ventilation and heat dissipation device.
Background
In the prior art, the application number "CN 201611141780.7" discloses a heat dissipation system, a heat dissipation method and a wind turbine generator system, wherein the heat dissipation system includes: the air inlet part is arranged on the outer wall of the air guide sleeve; the fan is arranged on the air inlet portion, the air inlet portion is located in front of the hub, the heat dissipation method utilizes the heat dissipation system, and the wind generating set comprises the heat dissipation system. This technique fan is drawn into the air inlet portion with the outside air of wind generating set, forms the positive pressure air current in the air inlet portion, flows in the guide flow cover, through the drainage of kuppe and wheel hub, shunts, to magnet steel on winding and the rotor on the engine stator respectively, magnet steel, engine bearing and base cooling under stator lower winding and the rotor, so, the malleation through the air current is leading-in, and the reposition of redundant personnel in the unit, cools down to each parts in the unit, has improved the efficiency and the effect of cooling.
However, the heat dissipation system, the heat dissipation method and the wind generating set still have obvious defects in the using process: 1. the device does not consider the water inlet problem of the centrifugal fan in the design process, because the fan is exposed in the atmospheric environment, the internal structure of the hub needs to be protected by proper water resistance, when external rainwater enters the hub, the hub and the connecting structure thereof are corroded, so that the service life of the fan is influenced, and meanwhile, when the rainwater enters the blades connected with the hub, the rotating gravity center of the fan is unstable, so that serious operation accidents are caused; 2. the device drives the centrifugal fan to work through electric power, so that the driving device of the fan is single, and the dependence on electric power is high.
Disclosure of Invention
The invention aims to provide a hub ventilation and heat dissipation device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a hub ventilation and heat dissipation device comprises a hub, wherein an air wheel shaft is fixedly mounted on the back side of the hub, an air inlet groove is formed in the windward side of the hub, a gravity deflection ring is movably mounted in the air inlet groove through a deflection bearing, an windward groove is formed in the gravity deflection ring, an S-shaped air inlet channel penetrating through the rotation axis of the windward groove is formed in the upper portion of the windward groove, and an air inlet hole penetrating through the S-shaped air inlet channel is formed in the side edge of the rotation axis of the gravity deflection ring;
an annular air inlet groove is formed in the hub, the air inlet hole is communicated with the annular air inlet groove, the annular air inlet groove is communicated with a plurality of air guide channels arranged in the hub interlayer, and a plurality of heat dissipation holes communicated with the inner space of the hub are formed along the air guide channels;
the hub air return device is characterized in that an air outlet groove communicated with the inner space of the hub is formed in the axis of the air wheel shaft, an air outlet hole communicated with the air outlet groove is formed in the side edge of the air wheel shaft, an air outlet ring is sleeved outside the air wheel shaft, an annular air outlet groove matched with the air outlet hole is formed in the air outlet ring, a return air pipe is fixedly installed at the bottom of the air outlet ring, a return air channel communicated with the annular air outlet groove is formed in the return air pipe, and a return fan blade is arranged in the return air channel.
Preferably, the air wheel shaft is fixedly installed in the engine room through a bearing, one end, far away from the air wheel shaft, of the air return pipe is fixedly connected to the bottom of the engine room, and the air return channel is communicated with the atmospheric environment.
Preferably, the gravity deviation rings on two sides of the air inlet hole and the air wheel shafts on two sides of the air outlet hole are provided with sealing rubber rings.
Preferably, the polyurethane layer and the lead casting layer are respectively filled in the upper side and the lower side of the axis of the gravity deviation ring in the horizontal tangent direction.
Preferably, the driving device of the return fan blade is a driving motor and a wind cup.
Preferably, the wind cup is movably arranged at the bottom of the cabin, a driving belt wheel is fixedly arranged at the upper part of the wind cup, the driving belt wheel is connected with a driven belt wheel through a belt wheel, and the driven belt wheel is fixedly connected to a rotating shaft of the return fan blade.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the gravity deflection ring and the interlayer air duct in the hub, the horizontal position of the gravity deflection ring can be ensured in the rotating working state and the static state of the fan, so that atmospheric precipitation is effectively prevented from entering the hub through the arrangement of the S-shaped air inlet duct, and the normal work of the connecting piece in the hub is ensured;
2. the invention fully utilizes wind energy, actively cools the interior of the hub through the wind energy, thereby reducing the energy consumption of equipment, and meanwhile, the invention compensates and dissipates heat through electric power under the condition of insufficient wind power, thereby greatly improving the heat dissipation effect.
According to the invention, through the arrangement of the gravity deviation ring and the interlayer air duct in the hub, atmospheric precipitation is effectively prevented from entering the hub, and the interior of the hub is actively cooled through wind energy, so that the energy consumption of equipment is reduced, the normal work of the connecting piece in the hub is ensured, and the heat dissipation effect is improved.
Drawings
FIG. 1 is a cross-sectional structural view of a hub according to the present invention;
FIG. 2 is an enlarged view of the area A of the present invention;
FIG. 3 is a schematic view of the internal structure of the hub insert of the present invention;
FIG. 4 is a schematic view of a wind turbine shaft connection configuration of the present invention;
FIG. 5 is a schematic view of the gravity deflection ring connection of the present invention;
fig. 6 is a schematic view of the arrangement position of the wind cup of the present invention.
In the figure: the air conditioner comprises a hub 1, an air wheel shaft 2, an air inlet groove 3, an offset bearing 4, a gravity offset ring 5, an air inlet groove 6, an air inlet channel 7S, an air inlet hole 8, an annular air inlet groove 9, an air guide channel 10, heat dissipation holes 11, an air outlet groove 12, an air outlet hole 13, an air outlet ring 14, an annular air outlet groove 15, an air return pipe 16, an air return channel 17, an air return fan blade 18, a cabin 19, a sealing rubber ring 20, a polyurethane layer 21, a lead casting layer 22 and an air cup 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1-6, the present invention provides a technical solution:
a hub ventilation and heat dissipation device comprises a hub 1, wherein an air wheel shaft 2 is fixedly mounted on the back side of the hub 1, an air inlet groove 3 is formed in the windward side of the hub 1, a gravity deflection ring 5 is movably mounted in the air inlet groove 3 through a deflection bearing 4, an air inlet groove 6 is formed in the gravity deflection ring 5, an S-shaped air inlet channel 7 penetrating through the rotation axis of the air inlet groove 6 is formed in the upper portion of the air inlet groove 6, and an air inlet hole 8 penetrating through the S-shaped air inlet channel 7 is formed in the side edge of the rotation axis of the gravity deflection ring 5;
according to the gravity deflection ring 5, the mass distribution is uniform due to the substances filled in the gravity deflection ring 5, when the hub 1 rotates in the power generation process, the gravity deflection ring 5 keeps a fixed angle under the action of downward gravity, and at the moment, the air inlet of the S-shaped air inlet channel 7 is positioned at the upper part of the windward groove 6, so that natural rainfall is effectively prevented from entering the interior through the arrangement of the S-shaped air inlet channel 7, rainwater is ensured not to normally enter the hub 1 in the heat dissipation process, and the interior of the hub 1 is prevented from being rusted;
an annular air inlet groove 9 is formed in the hub 1, the air inlet 8 is communicated with the annular air inlet groove 9, the annular air inlet groove 9 is communicated with a plurality of air guide channels 10 arranged in an interlayer of the hub 1, and a plurality of heat dissipation holes 11 communicated with the inner space of the hub 1 are formed along the air guide channels 10;
external air finally enters the inner space of the hub 1 through the heat dissipation holes 11 through the air inlet holes 8, the annular air inlet groove 9 and the air guide duct 10, so that the air fluidity inside the hub 1 is improved, and the defects that the air inside the conventional hub 1 does not flow and heat generated by external sunlight irradiation and fan work cannot be timely discharged, so that the internal temperature of the hub 1 is overhigh and the operation safety is influenced are overcome;
the axle center department of wind wheel axle 2 is provided with the air outlet groove 12 that link up with wheel hub 1 inner space, and the venthole 13 that runs through with air outlet groove 12 is seted up to wind wheel axle 2 side, and wind wheel axle 2 overcoat is equipped with out gas ring 14, is provided with in the gas ring 14 with the annular air outlet groove 15 of venthole 13 complex, goes out gas ring 14 bottom fixed mounting and has return air duct 16, sets up the return air duct 17 that runs through with annular air outlet groove 15 in the return air duct 16, is provided with return fan leaf 18 in the return air duct 17.
The air entering the hub 1 enters the air outlet ring 14 through the air wheel shaft 2 and is finally discharged into the external environment from the air return pipe 16, so that the air flows, the internal space of the hub 1 is prevented from being closed, and the situation that the internal temperature is too high due to the fact that heat cannot be timely dissipated is avoided.
Preferably, the air wheel shaft 2 is fixedly installed in the cabin 19 through a bearing, one end, far away from the air wheel shaft 2, of the air return pipe 16 is fixedly connected to the bottom of the cabin 19, the air return channel 17 is communicated with the atmospheric environment, and the air return pipe 16 is fixed on the cabin 19, so that the air return pipe 16 is prevented from moving along with the rotation of the hub 1, and the full play of the heat dissipation effect is guaranteed.
Preferably, the gravity deviation ring 5 on both sides of the air inlet hole 8 and the air wheel shaft 2 on both sides of the air outlet hole 13 are both provided with a sealing rubber ring 20, and the air is prevented from overflowing and scattering by the arrangement of the sealing rubber rings 20.
Preferably, the polyurethane layer 21 and the cast lead layer 22 are respectively filled in the upper side and the lower side of the axis of the gravity deviation ring 5 in the horizontal tangential direction, and the arrangement of the polyurethane layer 21 and the cast lead layer 22 ensures that the mass of the lower part of the gravity deviation ring 5 is far larger than that of the upper part, so that the gravity deviation ring 5 is always stable in the rotating process.
Preferably, the driving device of the return fan blade 18 is a driving motor and a wind cup 23, the return fan blade 18 is powered by wind energy or electric energy, when the external wind is sufficient, the driving motor stops working, so that the energy consumption of the device is reduced, and when the wind energy is insufficient to support the return fan blade 18 to work normally, the driving motor works to compensate.
Preferably, the wind cup 23 is movably arranged at the bottom of the nacelle 19, a driving pulley is fixedly arranged at the upper part of the wind cup 23, the driving pulley is connected with a driven pulley through a belt, and the driven pulley is fixedly connected on a rotating shaft of the return fan blade 18.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a wheel hub ventilation heat abstractor, includes wheel hub (1), its characterized in that: an air wheel shaft (2) is fixedly installed on the back side of the hub (1), an air inlet groove (3) is formed in the windward side of the hub (1), a gravity deflection ring (5) is movably installed in the air inlet groove (3) through a deflection bearing (4), a windward groove (6) is formed in the gravity deflection ring (5), an S-shaped air inlet duct (7) penetrating through the rotation axis of the windward groove (6) is formed in the upper portion of the windward groove (6), and an air inlet hole (8) penetrating through the S-shaped air inlet duct (7) is formed in the side edge of the rotation axis of the gravity deflection ring (5);
an annular air inlet groove (9) is formed in the hub (1), the air inlet holes (8) are communicated with the annular air inlet groove (9), the annular air inlet groove (9) is communicated with a plurality of air guide channels (10) arranged in an interlayer of the hub (1), and a plurality of heat dissipation holes (11) communicated with the inner space of the hub (1) are formed along the air guide channels (10);
the wheel hub air compressor is characterized in that an air outlet groove (12) which is communicated with the inner space of the wheel hub (1) is formed in the axis center of the air wheel shaft (2), an air outlet hole (13) which is communicated with the air outlet groove (12) is formed in the side edge of the air wheel shaft (2), an air outlet ring (14) is sleeved on the air wheel shaft (2), an annular air outlet groove (15) which is matched with the air outlet hole (13) is formed in the air outlet ring (14), an air return pipe (16) is fixedly installed at the bottom of the air outlet ring (14), an air return channel (17) which is communicated with the annular air outlet groove (15) is formed in the air return pipe (16), and air return fan blades (18) are arranged in the air return channel (17).
2. The hub ventilation and heat dissipation device of claim 1, wherein: the wind wheel shaft (2) is fixedly installed in the cabin (19) through a bearing, one end, far away from the wind wheel shaft (2), of the air return pipe (16) is fixedly connected to the bottom of the cabin (19), and the air return channel (17) is communicated with the atmospheric environment.
3. The hub ventilation and heat dissipation device of claim 1, wherein: and sealing rubber rings (20) are arranged on the gravity deviation rings (5) on the two sides of the air inlet hole (8) and the air wheel shafts (2) on the two sides of the air outlet hole (13).
4. The hub ventilation and heat dissipation device of claim 1, wherein: the upper side and the lower side of the axis of the gravity deviation ring (5) in the horizontal tangential direction are respectively filled with a polyurethane layer (21) and a cast lead layer (22).
5. The hub ventilation and heat dissipation device of claim 1, wherein: the driving device of the return fan blade (18) is a driving motor and a wind cup (23).
6. The hub ventilation and heat dissipation device of claim 5, wherein: the air cup (23) is movably arranged at the bottom of the engine room (19), a driving belt wheel is fixedly arranged at the upper part of the air cup (23), the driving belt wheel is connected with a driven belt wheel through a belt wheel, and the driven belt wheel is fixedly connected to a rotating shaft of the air return fan blade (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110565532.XA CN113187654A (en) | 2021-05-24 | 2021-05-24 | Hub ventilation and heat dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110565532.XA CN113187654A (en) | 2021-05-24 | 2021-05-24 | Hub ventilation and heat dissipation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113187654A true CN113187654A (en) | 2021-07-30 |
Family
ID=76985684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110565532.XA Pending CN113187654A (en) | 2021-05-24 | 2021-05-24 | Hub ventilation and heat dissipation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113187654A (en) |
-
2021
- 2021-05-24 CN CN202110565532.XA patent/CN113187654A/en active Pending
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