CN201650583U - Integral permanent magnet fan blade wind-driven generator - Google Patents
Integral permanent magnet fan blade wind-driven generator Download PDFInfo
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- CN201650583U CN201650583U CN201020125290XU CN201020125290U CN201650583U CN 201650583 U CN201650583 U CN 201650583U CN 201020125290X U CN201020125290X U CN 201020125290XU CN 201020125290 U CN201020125290 U CN 201020125290U CN 201650583 U CN201650583 U CN 201650583U
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- 230000005291 magnetic effect Effects 0.000 claims abstract description 94
- 241000883990 Flabellum Species 0.000 claims description 57
- 210000001364 upper extremity Anatomy 0.000 claims description 12
- 238000010248 power generation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 230000004907 flux Effects 0.000 abstract description 18
- 238000009434 installation Methods 0.000 abstract description 2
- 102000011842 Serrate-Jagged Proteins Human genes 0.000 abstract 2
- 108010036039 Serrate-Jagged Proteins Proteins 0.000 abstract 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 16
- 238000013461 design Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000005476 size effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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Abstract
An integral permanent magnet fan blade wind-driven generator comprises a permanent magnet perpendicular axial fan. A shaft of the axial fan is arranged between an upper fan cover and a lower fan seat; annular structures consisting of first flexible magnets and second flexible magnets are arranged on the inner side of the fan cover and the inner side of the fan seat; serrate blades are arranged inside the annular structures; the first flexible magnets and the second flexible magnets project outwards in two angular directions of the fan cover and the fan seat and extend up and down to conduct a magnetic path; the upper ends and the lower ends of blades of the perpendicular axial fan are different in polarity; coils are arranged on fan blades; and upper fan blade edges and lower fan blade edges same with the serrate blades in shapes are respectively arranged at the upper ends and the lower ends of the coils. The perpendicular axial fan, the first flexible magnets and the second flexible magnets can form a main closed magnetic path with two small gaps. When the fan rotates, flux in the main magnetic path changes, magnetic flux of the coils can be relatively increased or reduced to generate alternating current electromotive force. The integral permanent magnet fan blade wind-driven generator has the advantages of compact structure, small volume, high applicability, energy saving and environmental protection, and is convenient in installation.
Description
Technical field
The utility model relates to a kind of wind generator all-in-one machine, especially is applicable to the permanent-magnet fan blade and wind power generation integrated machine of wireless sensor network and distributed mini system.
Background technique
Along with the generation and the development of wireless sensor network, distributed mini system and internet, be scattered in everywhere and the powerup issue of forming the node of said system becomes a difficult problem.These nodes generally need separately independently power supply unit, and using more is battery.But the electric weight of battery is limited, even wireless sensor node has been adopted low power dissipation design, generally also can only keep the several months, and the life-span of battery becomes the bottleneck in node life-span; Wireless sensor node scarcely reclaims simultaneously, so the secondary pollution that the chemical cell that node carries causes certainly will become the significant threat of environment.Therefore, utilize new energy imperative to the wireless sensor node power supply.
To some moving object, as aloft birds with the automobile in advancing, can be and depend on being used for scientific research or following the tracks of purpose wireless sensor network nodes such as investigation on it stable wind regime is provided.Another kind of situation is to use natural wind energy or cooperates with other renewable energy sourcess such as solar energy for wireless sensor network node provides the energy.The tradition wind generating unit is made up of fan, speed changer and generator usually.For example patent of invention 200680021096.3, and drive rotating shaft by fan and rotate, and by using generator for electricity generation behind the planetary gear speed-changing.Patent of invention 200680016461.1 is installed in the vertical shaft fan on 3 ring structurees for another example, ring rotation and drive alternator generation during the fan rotation.Its purposes of traditional wind-driven generator generally provides electric power, even can generate electricity by way of merging two or more grid systems, and its volume is generally also bigger.And general power consumption is less in wireless sensor node and distributed mini system, but requires the volume of power supply system less, is that wireless sensor network and distributed mini system are powered so traditional wind is not suitable for being grafted directly to.
Summary of the invention
The utility model will solve the problem that the traditional wind discomfort is preferably wireless sensor network and the power supply of distributed mini system, and a kind of permanent-magnet fan blade and wind power generation integrated machine that is suitably wireless sensor network and the power supply of distributed mini system is provided.
Permanent-magnet fan blade and wind power generation integrated machine, it is characterized in that: the vertical shaft fan that comprises a permanent-magnet material, the axle of described vertical shaft fan is arranged between the fan seat of the fan lid on top and bottom, the wall that described fan covers is a hollow out, the inboard loop configuration of forming by first soft magnetic bodies and second soft magnetic bodies that is equipped with of described fan lid and fan seat, described loop configuration inwardly is provided with the zigzag fashion blade, and described first soft magnetic bodies, second soft magnetic bodies are all outwards protruded on two angular direction of fan lid and fan seat and extended up and down the magnetic circuit conducting; The upper/lower terminal polarity of the flabellum of described vertical shaft fan is different, described flabellum is provided with coil, the upper/lower terminal of described flabellum is respectively equipped with flabellum upper limb, the flabellum lower edge that is parallel to first soft magnetic bodies and the second soft magnetic bodies inner side surface, and the shape of the upper and lower edge of described flabellum is identical with the shape of zigzag fashion blade; Described first soft magnetic bodies, second soft magnetic bodies have air gap respectively and between the flabellum upper limb, flabellum lower edge, and described flabellum, air gap, fan cover the zigzag fashion blade of loop configuration, zigzag fashion blade, air gap, the flabellum that the fan seat is gone up loop configuration can form a closed main magnetic circuit.
Therefore the utility model considers that wireless sensor node fitness for purpose volume is less, proposes a kind ofly with fan and the incorporate design of electricity generating device, makes fan itself become the part of electricity generating device, thereby reduces the volume of electricity generating device greatly.On the other hand, the electromotive force that wind generating unit produces should not be low excessively, otherwise the enough energy can not be provided for the circuit of generator back; And, singly wish that for producing higher electromotive force electricity generating device has the rotational speed of large-size or rotor higher with regard to electricity generating device from the principle of generator.Rotary speed of rotator high request nature wind speed is higher or moving object speed is very fast, the factor that all non-electricity generating device itself can be intervened; But fan and electricity generating device integrated makes the electricity generating device size relatively reach it can be reached at utmost, thereby improves the electromotive force that is produced.
Adopted the vertical shaft fan in the utility model, the vertical shaft fan can utilize the wind energy of all directions, makes on this Unit Installation position, direction and the precision relatively freer simultaneously.Can be with the part of the utility model as wireless sensing node, the electric energy of its generation can be used for providing energy for wireless senser.
The utility model is integrated fan and electricity generating device, and its structure has bigger difference with general fan.State design feature of the present utility model below.
Its shell of permanent-magnet fan blade and wind power generation integrated machine described in the utility model is made up of fan lid and fan seat, and the four sides fan wall hollow out that fan covers is so that the utility model can utilize the wind regime of all directions.The inboard loop configuration of forming by first soft magnetic bodies and second soft magnetic bodies that is equipped with of described fan lid and fan seat, described loop configuration inwardly is provided with the zigzag fashion blade, described first soft magnetic bodies, second soft magnetic bodies are all outwards protruded on two angular direction of fan lid and fan seat and are extended up and down the magnetic circuit conducting, first soft magnetic bodies and second soft magnetism by up and down 2 through being welded; Fan between the loop configuration that covers and fan on the seat vertical shaft fan is arranged.The vertical shaft fan is the permanent magnet material; The vertical shaft fan adopts special shape, and it extends flabellum upper limb and the flabellum lower edge that is parallel to first soft magnetic bodies and the second soft magnetic bodies inner side surface up and down respectively to its each sheet flabellum on common flabellum basis, and coil is installed on flabellum.The upper/lower terminal polarity of the flabellum of described vertical shaft fan is different, if flabellum upper end magnetic is N, lower end magnetic is S, and the magnetic line of force can be from the flabellum upper end, through first soft magnetic bodies or second soft magnetic bodies arrival flabellum lower end.For the vertical shaft fan can well rotate, two small air gaps are being arranged between first soft magnetic bodies and vertical shaft fan and between second soft magnetic bodies and vertical shaft fan.Finally can form from vertical shaft fan upper end, air gap, first soft magnetic bodies and second soft magnetic bodies, air gap, vertical shaft fan lower end the closed main magnetic circuit of getting back to vertical shaft fan upper end again through flabellum.The condition that certain closed main magnetic circuit exists be fan upper limb and lower edge project to respectively that first soft magnetic bodies and second soft magnetic bodies surround two loop configuration up and down on the time, sawtooth on projection and the loop configuration has intersection, according to the relevant theory that contains the permanent magnet magnetic circuit, this intersection area is bigger, magnetic resistance is littler, and is also bigger by the total magnetic flux of flabellum; Otherwise when the intersection area was 0, the magnetic resistance in the magnetic circuit was very big, and magnetic induction intensity becomes very little on the flabellum, and the total magnetic flux by flabellum also reduces.Described intersection area change rate is directly proportional with fan angular velocity.
When fan rotated, the total magnetic flux of main magnetic circuit increased thereupon or reduces, if the flabellum number is n, then the n that the change frequency of total magnetic flux should be the fan rotational frequency on the main magnetic circuit doubly.
Because the main magnetic circuit total magnetic flux is the coil through arranging on the electric fan fully, when fan rotated, the magnetic flux of process all coils changed.So in coil, should produce electric current to resist above-mentioned flux change, collect the effect that the electric current that produces in the coil promptly reaches generating.Can improve the electricity generation and electromotion gesture by reasonable serial connection between each coil.
On described first soft magnetic bodies and second soft magnetic bodies, the number with flabellum is identical respectively near the zigzag fashion blade of fan lid and near the zigzag fashion lobe numbers of fanning seat.
In sum, the beneficial effects of the utility model have:
Fan and electricity generating device is integrated 1., lay coil on its flabellum of the fan of permanent magnetism material, become the part of electricity generating device, compact structure, volume is little, is adapted at the application demand of wireless sensor network and distributed mini system;
Fan and electricity generating device integrated after, its size effect helps improving electricity generating device usefulness;
3. form the closed main magnetic circuit of band small air gap in the device, this main magnetic circuit total magnetic flux variable quantity is big, the energy conversion rate height;
4. the utility model utilizes renewable energy sources on the one hand, can energy saving; Can reduce the use battery in a large number on the other hand, the protection environment.
Description of drawings
Fig. 1 be the utility model along A-A among Fig. 2 to sectional view.
Fig. 2 be the utility model along B-B among Fig. 1 to sectional view.
Fig. 3 is the sectional elevation of the utility model flabellum.
Embodiment
Embodiment one
With reference to Fig. 1-3, permanent-magnet fan blade and wind power generation integrated machine described in the utility model comprises the vertical shaft fan 7 of permanent magnet material, and described vertical shaft fan 7 is installed between the fan seat 2 of the fan lid 1 on top and bottom by axle 5 and bearing 6.Described fan lid 1 is installed on the fan seat 2 by four decks 13.Described fan lid 1 and fan seat 2 inboards are equipped with the loop configuration of being made up of first soft magnetic bodies 3 and second soft magnetic bodies 4, described loop configuration inwardly is provided with zigzag fashion blade 12, described first soft magnetic bodies 3, second soft magnetic bodies 4 are all outwards protruded on two angular direction of fan lid and fan seat and are extended up and down the magnetic circuit conducting, first soft magnetic bodies 3 and second soft magnetism 4 by up and down 2 through being welded; First soft magnetic bodies 3 and second soft magnetic bodies 4 by up and down totally 8 decks 15 be fixed on fan cover 1 or fan 2 on.Described soft magnetic material is that very little (ferromagnetic material of HC＜102A/m) is made by coercivity.Because the coercivity of this material is little, thus magnetization easily, also demagnetization easily, hysteresis loss is little, is fit to use in the alternating magnetic field.Material such as pure iron, silicon steel all is a soft magnetic material.Because this device often is applied to the open air, so these soft magnetic materials have certain anticorrosive property, surface plating one deck rust resisting compound gets final product.The flabellum 11 of described vertical shaft fan 7 is provided with coil 8, and coil 8 is fixed on the vertical shaft fan 7 by deck 14.The upper/lower terminal polarity of the flabellum 11 of described vertical shaft fan 7 is different, the upper/lower terminal of described flabellum 11 is respectively equipped with flabellum upper limb 9, the flabellum lower edge 10 that is parallel to first soft magnetic bodies 3 and second soft magnetic bodies, 4 inner side surfaces, and the shape of described flabellum upper limb 9, flabellum lower edge 10 is identical with the shape of zigzag fashion blade 12.The zigzag fashion blade 12 that fan cover loop configuration on 1 has the several angle difference to react the differential seat angle between described flabellum upper limb 9 and the flabellum lower edge 10 with the zigzag fashion blade 12 of fanning a loop configuration on 2.Zigzag fashion blade 12 formation that described vertical shaft fan 7, fan covers loop configuration on the zigzag fashion blade 12, fan seat 2 of loop configuration on 1 have the closed main magnetic circuit of two small air gaps, the air gap here is meant that flabellum upper limb 9 is to the space of fanning between the zigzag fashion blade 12 that covers loop configuration on 1, and flabellum lower edge 10 is to the space between the zigzag fashion blade 12 of fanning loop configuration on the seat 2, two width of air gaps should be below 0.3mm, to obtain bigger magnetic induction intensity.The condition that closed main magnetic circuit exists be fan upper limb 9 and lower edge 10 project to respectively that first soft magnetic bodies 3 and second soft magnetic bodies 4 surround two loop configuration up and down on the time, sawtooth on projection and the loop configuration has intersection, according to the relevant theory that contains the permanent magnet magnetic circuit, this intersection area is bigger, magnetic resistance is littler, and is also bigger by the total magnetic flux of flabellum 11; Otherwise when the intersection area was 0, the magnetic resistance in the magnetic circuit was very big, and it is very little that magnetic induction intensity becomes, and is also very little by the total magnetic flux of flabellum 11.Described intersection area change rate is directly proportional with fan angular velocity.8 of described coils should be connected in series, and the serial connection direction should guarantee that when fan rotates the electromotive force of each coil 8 generation do not cancel each other.
Fan cover the zigzag fashion blade 12 of loop configuration on 1 and fans zigzag fashion blade 12 numbers of loop configuration on 2 that the number with flabellum 11 is identical respectively.
Wall on the described fan lid 1 is empty.
The following describes the working principle of this permanent-magnet fan blade and wind power generation integrated machine.When fan 7 did not rotate, the total magnetic flux of closed main magnetic circuit was constant, and the magnetic flux in the coil 8 does not change yet, and can not produce electric current in the coil 8 this moment, thereby can not produce electric energy.When fan 7 is met the wind rotation, the relative position of the zigzag fashion blade 12 of loop configuration can change with the rotation of flabellum on fan 7 flabellum lower edges 10 and the fan seat 2, the area that all flabellum lower edges 10 project to zigzag fashion blade 12 zones of loop configuration on the fan seat 2 also experience 0 to the fan seat 2 loop configuration zigzag fashion blade 12 areas and reciprocal variation.And the situation at fan 7 flabellum upper limbs 9 places is also similar.Suppose that fan 7 has 7 flabellums, then the frequency of this variation is 7 times of fan 7 rotational frequencies.So in the fan rotation process, the frequency that the total magnetic flux of coil 8 changes also is 7 times of fan 7 rotational frequencies.And according to electromagnetic induction principle, will produce frequency in the coil 8 is 7 times induction current of fan 7 rotational frequencies.Above-mentioned total magnetic flux by all coils 8 on the vertical shaft fan 7 is proportional to the area of intersection haply simultaneously, the variance ratio of total magnetic flux is proportional to above-mentioned area of contour variance ratio haply, and the area of contour variance ratio is proportional to the rotating speed of fan, and the variance ratio of the total magnetic flux of all coils 8 is proportional to the electromotive force that produces in the coil on the vertical shaft fan 7.So the electromotive force that produces in the coil 8 is proportional to rotation speed of the fan haply.Can produce alternating current in the above analysis coil 8, and the electromotive force that can obtain after all coils 8 correct serial connections is 14 times that single coil produces electromotive force.Utilize the circuit board rectification circuit to realize that Ac becomes direct current so that charging in order to obtain direct current.
The described content of this specification embodiment only is enumerating the way of realization of model utility design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.
Claims (2)
1. permanent-magnet fan blade and wind power generation integrated machine, it is characterized in that: the vertical shaft fan that comprises a permanent-magnet material, the axle of described vertical shaft fan is arranged between the fan seat of the fan lid on top and bottom, the wall that described fan covers is a hollow out, the inboard loop configuration of forming by first soft magnetic bodies and second soft magnetic bodies that is equipped with of described fan lid and fan seat, described loop configuration inwardly is provided with the zigzag fashion blade, and described first soft magnetic bodies, second soft magnetic bodies are all outwards protruded on two angular direction of fan lid and fan seat and extended up and down the magnetic circuit conducting; The upper/lower terminal polarity of the flabellum of described vertical shaft fan is different, described flabellum is provided with coil, the upper/lower terminal of described flabellum is respectively equipped with flabellum upper limb, the flabellum lower edge that is parallel to first soft magnetic bodies and the second soft magnetic bodies inner side surface, and the shape of the upper and lower edge of described flabellum is identical with the shape of zigzag fashion blade; Described first soft magnetic bodies, second soft magnetic bodies have air gap respectively and between the flabellum upper limb, flabellum lower edge, and described flabellum, air gap, fan cover the zigzag fashion blade of loop configuration, zigzag fashion blade, air gap, the flabellum that the fan seat is gone up loop configuration can form a closed main magnetic circuit.
2. permanent-magnet fan blade and wind power generation integrated machine according to claim 1 is characterized in that: the number with flabellum is identical respectively with fanning a zigzag fashion lobe numbers that goes up loop configuration to fan the zigzag fashion blade that covers loop configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020125290XU CN201650583U (en) | 2010-01-21 | 2010-01-21 | Integral permanent magnet fan blade wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020125290XU CN201650583U (en) | 2010-01-21 | 2010-01-21 | Integral permanent magnet fan blade wind-driven generator |
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| Publication Number | Publication Date |
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| CN201650583U true CN201650583U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201020125290XU Expired - Lifetime CN201650583U (en) | 2010-01-21 | 2010-01-21 | Integral permanent magnet fan blade wind-driven generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782044B (en) * | 2010-01-21 | 2012-05-23 | 浙江工业大学 | Permanent-magnet fan blade and wind power generation integrated machine |
| CN102518562A (en) * | 2011-12-22 | 2012-06-27 | 重庆大学 | Miniature high-efficiency wind power gaining device |
-
2010
- 2010-01-21 CN CN201020125290XU patent/CN201650583U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782044B (en) * | 2010-01-21 | 2012-05-23 | 浙江工业大学 | Permanent-magnet fan blade and wind power generation integrated machine |
| CN102518562A (en) * | 2011-12-22 | 2012-06-27 | 重庆大学 | Miniature high-efficiency wind power gaining device |
| CN102518562B (en) * | 2011-12-22 | 2016-03-23 | 重庆大学 | Miniature high-efficiency wind power gaining device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101124 Effective date of abandoning: 20100121 |